Using Arduino > Project Guidance > belt grinder ... Go Down. Though the “plug-in-and-go” of the pre-made grinders is nice. Quote; Link to post Share on other sites. Solar Flares And Radio Communications — How Precarious Are Our Electronics? If the VFD is incapable of providing this current, it could result in damage to the VFD. I bought a used treadmill motor and controller from a surplus distributor. !” an article was made. See more ideas about treadmill, repurposed, belt sander. I have 120 at my shop but I do have a single 240 plug it would just require me to setup and take down the grinder as oppose to just leaving it setup. Saved by edward walker. Realistically we're going to be settling for about 1/2 of this. The gym might be an unlikely source for scrap, but you’ll be surprised with the end result. I'm interested in using the motor, which is a very nice Leeson, Permanent Magnet DC, 3hp continuous duty motor (130V, 20A) to drive a variable speed belt 2x72-inch belt grinder. Of course a custom wheel could be made or purchased, but this will come at added time or cost. The actual plated speed of the motor will depend on the number of poles in the … 100 bucks of that was for treadmill and 50 for longboard wheels and bearings hope you guy like it. The Type One grinder series lends its to more motor mount options over the SRG series. You can go larger if it's more readily available. Google 'treadmill dc motor speed control'. I get a maximum of 108V at present. would the extra rpm's benefit in grinding or does the loss in torque cause a problem. ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc.”. The NEMA 1 VFD will also require purchasing and installing additional items as mentioned. Like it can reach out and rip the face off the guy standing 4ft behind you. It is 4 pole 1760 RPM 4.14/2.07 amp. More specifically, how to wire a Treadmill motor and controller. So I've been working on a 2x72 belt grinder for a couple weeks. Not a problem. The 1 to 2 horsepower per inch width of belt comes to mind. . Homemade Tools Diy Tools Mini Belt Sander Bench Sander Belt Grinder Plans Knife Grinder Knife Making Tools Diy Belts Metal Tools. I should also note, that while nearly infinite speed control is nice, many people get by perfectly well with a single speed motor and use stepped pulleys to change between a couple of speeds. I used and electric angle grinder to cut the threaded portion of the motor shaft, ( a hacksaw could have been used instead). Not using one is … Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. Most abrasive belts are meant to run at around 5000 SFM (25 m/s) on steel. I am still messing around with my treadmill motor setup. I have used a similar approach on my belt grinder. The motor does have a mounting bracket attached to it, The bracket has 2 flanges with 2 holes in each. The same 2X and 75% speed settings as above.I don't have any details on the internal workings of the VFD, only the published manual. A free bench would be cheaper though. Even through it claims it is a 2HP, it barely has enough power to function as a disc sander. Just go 25% easy on it. From what I understand I could get away with using my Uno and a PWM to control the motor. There are, of course, cost and time considerations. My treadmill did not have anything to work with. 3 or 4 step pulley system, for the motor. I suspect you will be significantly under powered if you are going to use it for anything other than a very small grinder (30" or less). 2 idler wheels. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. Posted in Tool Hacks Tagged belt grinder, dc motor, fitness devices, metal working, treadmill, welding Post navigation ← Fail Of The Week: Power Wheels Racing Series This may also mean your torque starts to drop off at 50 Hz instead of 60Hz. Popular among builders that use treadmill motors. After looking around at some designs I figured I could probably make one myself. When in doubt, ask an electrician to assist you. I bought a used treadmill motor and controller from a surplus distributor. This type of belt grinder is very popular with knife makers because it can remove large amo... Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. The choice often comes down the time and know-how. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. I bought a burr king over a decade ago and that's that. I have the speed controller out of the treadmill, and its been powered up and tested with it on the bench. Please be kind and respectful to help make the comments section excellent. Powered by. they turn faster than the standard 1725 RPM. Wouldn’t be hard to do. Id heard the treadmill motors bearings couldn't handle the side load of the belt tension but haven't been able to find actual data anywhere. that would be awesome! On one flange I bolted one side of a 4" heavy duty door hinge. That treadmill can be hacked into a nice belt grinder for your shop. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. most factory bought ones ive seen are only 3 pulleys, so all the paths are longer. The treadmill motor I can get for $15 but it does not have any panels or way to control it. And friends.. Aside from a few electrical things, remember to check the shaft size on the motor and make sure the drive wheel's bore is a match. I was just thinking about that treadmill motor that I hadn’t used for anything, went to HAD, and up pops this!! Finally getting around to the 3ph/vfd belt grinder.. Been running a home made prototype for years.. Ha.. These are built to order. If the phases parameter is 3 or PH 3, then you will need three phase (industrial) voltage supply, a VFD or a phase converter to run the motor. The remaining motor shaft was just over 5/8" in diameter. The Type One is a more affordable version of my Type. I have been on your site for years off and on.. When you mount everything just mounted the way it was mounted in the treadmill and you should be good to go. See more ideas about motor, electric motor, diy electrical. Its pretty much done minus paint, but I've been waiting to do that until after I get the electronics enclosure done. Thanks for the loads of information.. ekaggrat singh kalsi liked Simple Cycloidal Robot Leg for Quadruped. ironstein. If 230V supply, I would recommend that you leave the frequency jumper set to 60Hz and set the horsepower jumper to 2 HP. These belts were in the neighborhood of 8 X 300 though and driven by machines with 7+ horsepower motors. I purchased a 1 1/2" diameter v-belt pulley from my local tractor supply store for $9. Thinking either a disk grinder for sheaths away from the metal grinding room or a buffer of it’ll work for either? Watch this video showing how to build your own custom built belt grinder. I have read in other forums NOT to ground to the aluminum speed controller chassis (for MC60 unit). Should have sold the bench to someone who would use it and buy a 8 foot section of 4 inch square tube. Saw the treadmill on the way home. This gives me a motor speed of 6700 rpm. In some grinder designs the motor is mounted to a base with four bolts. That way if it binds it kicks away not toward you. He didn't give much information as to this, so I could use some help on elaboration there. Unfortunately, the order page link doesn't display any motor nameplate details. That treadmill can be hacked into a nice belt grinder for your shop. 1 drive wheel. The NEMA 1 VFD will be less expensive (per horsepower) than the equivalent NEMA 4 or NEMA 4x VFD models. Power Electronics: 37: Apr 26, 2018: G: Treadmill wont start belt and trips fuse on home fuse board: Technical Repair: 10: Jul 22, 2016: Looking for a treadmill belt: Off-Topic: 1: Aug 21, 2011 If I am reading this all right when you use the 2x multiplier at 60 Hz in the vfd then you need to set the maximum speed of the motor to 75% for 5250 rpm as the motor is rated for a max speed of 5400 RPM and set the max speed to 90% for the 50hz which gives 5310 RPM just under the max. Rule of thumb is to have a minimum of 1 hp per inch of belt width, with the motor running at full rpm (60 Hz in North America, 50 Hz in the rest of the world). Ask an electrician to help with the electric supply. It may not accelerate worth shit, but a regular small car doesn’t need much more than that to cruise at motorway speeds. Used MC-60 controllers could be had on eBay for around $30, new ones with warranty can be purchased on Amazon. If it's a long run, say more than 30 feet, from the receptacle to the VFD it never hurts to go up a size to reduce unwanted voltage drop in the wire itself.Because the VFD outputs 3 phases, the current is less in each wire feeding the motor, so we can use smaller gauge wire on this side. newfiebackflip. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. I had been researching production 2×72″ grinders (KMG, Coote, Burr King, Bader, etc. Most belt grinders, shop built & commercial, are not overpowered. . Not everyone can chance upon a nearly free motor. Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. Attaching a drive wheel is a bit hit or miss. Re: treadmill motor questions for belt grinder Post by acourtjester » Wed Oct 30, 2019 7:12 pm I did use the setup the guy did in the video with the changes he did, Now on thing you need to consider is the voltage that your motor is designed to run on. I've been using a smaller treadmill motor (1 hp) for a sander for 2 years with no fan and it is still working fine. This is called "foot mounted." Apparently, disused fitness devices make an ideal framework to build your own tools: Strong metal frames, plentiful adjustment guides, and strong treadmill motors. Hrrmm, an edit option on the way at some point, maybe with a 5 min period ? In particular, [Mike] is reusing the height-adjustment guide rail of an old workout bench to build the adjustable frame that holds the sanding belt. A powerful DC motor including a flywheel was scavenged from one treadmill, the speed controller came from another. Motor, the size, brand, and the ability to find one used. The Type One is … The whole point of a ground wire is to ground the metal, all the metal, so that if it becomes energized as it goes to ground rather than grounding through you. [Mike] had a bunch of disused fitness machines lying around. Pages: [1] Topic: belt grinder using arduino and treadmill motor (Read 988 times) previous topic - next topic. 2″ x 72″ grinder belts are the standard, particularly with knife makers. oh! ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc. Im putting together my first 2x72 belt grinder build. Not heavy use like a knife grinder. At this speed I find the loss of torque not really an issue as the belt is happy to be eating steel at 60 miles per hour. This gives me a motor speed of 6700 rpm. Treadmills use DC motors. DearsRecently purchased this motor https://famaga.com/catalog/elektrim/order-203575, but can not understand the connection, perhaps someone has a scheme or diagram of connectionThank you. This will bolt on to grinders like the NorthRidge, Wuertz TW-90, Wilmot's TAG and EERF and my Sayber OSG. I replaced failing treadmill motor bearings on a motor that I am thinking of using for a 2"x72 belt grinder. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. Dan, Thanks so much for this blog. Larger motors are more difficult to get wheels for. Buy a NEMA 1 VFD and enclose it in a steel or plastic box, add a fan and an air filter. kristina panos has added a new log for how I make masks. I'm not sure if the VFD is doing anything funny with the Amp load requirement, etc.. Google 'treadmill dc motor speed control'. If you are building your own, you can add a belt brake. Power is a key consideration when looking for a motor for a grinder. These have often been used for belt grinder projects. That doesn't imply the motor is useless, only that the grinder's belt speed will be fixed unless you add counter-shaft with sheave and a belt to adjust the belt speed. 1 drive wheel. I'm putting together my first 2x72 belt grinder build. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. 20 is plenty. Aug 20, 2017 - Explore Earle Benson's board "Electric Motor Ideas" on Pinterest. Reusing the plastic roller pulley is near impossible. 72 x 2 . Standard industrial motors tend to be designed for a maximum continuous mechanical speed of 3600 RPM to cover 2-pole motors running on 60 Hz mains in those parts of the world that use it. Larger frame motors don't always fit in the space you have. Power Electronics: 37: Apr 26, 2018: G: Treadmill wont start belt and trips fuse on home fuse board: Technical Repair: 10: Jul 22, 2016: Looking for a treadmill belt: Off-Topic: 1: Aug 21, 2011 It's my second. Sealed or enclosed motors are best suited to this environment. Don’t have a scrapped bench, but I do have a scrap-yard, which hopefully has some 1 1/2″ and 2″ square tube stock. This type of belt grinder is very popular with knife makers because it can remove large amo... .. treadmill motor belt grinder build. For a 120 V supply I would recommend a 1.5 horsepower motor and a 1.5/2 horsepower VFD from KB Electronics. I get a maximum of 108V at present. 51 Papy . I am driving it with an 120V SCR speed control fed through a bridge rectifier. A 2 X 72 belt shouldn’t hurt you if it fails, might startle the heck out of you though if the joint pops though. Reusing the plastic roller pulley is near impossible. but it can be upgraded later. I should add that I am using 14/3 for the power supply so there is a grounded line. This would work great for a belt grinder if I could only find some way to controll the motor without using ten 12v car batteries. Motors of frame size 56 have 5/8" diameter shafts. Speed Control, using a speed control like I did will add about $200. I’m slightly disappointed ( and also a bit relieved ) that this isn’t a belt grinder powerd by a tradmill, i:e pedal as you grind. This is absolutely amazing, it was like I made a wish and it came true on HAD. (Comment Policy). Popular among builders that use treadmill motors. You can get a kit off of ebay with all the components and a tested motor, just search for treadmill motor kit or something like that. This would mean for a 2" wide belt we're looking for 2 to 4 horsepower. I have made a Belt Grinder Motor Guide to help you in selecting a motor. Are you supplying the KBAC with 115V or 230V? Will the motor be foot mounted or face mounted? Hi. Off brand Chinese are also cheaper than name brand. Built it from scrapyard metal and spent 280 so far on all of it. When is the last time you worked out? I run it with a timing belt pulley whose inner dia is larger than the motor shaft. I am still messing around with my treadmill motor setup. ekaggrat singh kalsi liked Nixie Clock by TTL/CMOS. Motor, he suggested using an old treadmill motor for the variable speed. … Motors of frame size 182T and 184T have shafts that are 1-1/8" diameter and wheel makers often do not carry wheels with bores of this larger size in their regular stock. Dec 12, 2020 - 2-4 Month lead time. I know it already had a good amount of side load from the drive belt in the treadmill. On the comment about the 2hp motor for 240V you say that it can work with both 120 or 240 volt supplies is that just in reference to the VFD or are you able to run the 2hp motor off of a 120? A very common frame for belt grinders is the NEMA 56C. Using the simplistic stacked tubing design with vertical compression belt adjuster. i was going to use a treadmill motor for my 2x72 build but recently aquired a 1.5 hp 230/460 3ph Baldor model EM3554T. It had been used as a coat rack for the last 2 years. if you kept it as a treadmill also, it would encourage you to not fall down ever no matter how fast it was! 4C 14 AWG is most common at Home Depot and Lowes. Where did you ground the green wire coming from the outlet? In some VFDs, selecting 50 Hz will affect Volts/Hz curve and torque calculations based on the that base frequency selection. Product - 300*50*25mm (12 inch x 2 inch) aluminum wheel with diagonal rubber contact area, Product Review: Ruixin Pro Angle Knife Sharpener, VFDs: Part 3 - Three Phase Induction Motor, Gas Forge Build 1: Concepts and Burner Tube. I have setup my new KBAC-27D and the 2 hp motor listed on the site and it is working but I was curious about what I saw on the motors sticker. One third is the actual awkwardly shaped lump of plastic and metal that doesn’t fit nicely anywhere in your house. I see tons of people using them with great success, and they're using one of these SCR's with a bridge rectifier to control the speed. But I agree that this one wouldn’t need it. Motor, he suggested using an old treadmill motor for the variable speed. Motor frames of 143T and 145T have 7/8" diameter motor shafts. See more ideas about homemade tools, belt grinder, diy tools. 2. Although many grinder makers are using them successfully, I would not recommend a treadmill motor for a metal grinding machine. No RPM is given. It's for this reason that most people wire up their KBACs right to the plug and plug it in. Not sure what HP or anything like that it is. Non-standard shaft sizes. Looks like a great design to me. A larger motor will draw more current than a smaller motor. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. WARNING: If you are uncertain how to make safe electrical connections, please consult with qualified personnel. The belts don’t have much mass and they basically just stop when they break. Likes Received: 1,145 Trophy Points: 113 . I would install a small power supply board or adapter to provide additional power to run a tachometer or lights. . There's a bit of backstory that I didn't get into in the blog post. How To Build A Belt Grinder Using Scrap From Gym Equipment. Dan. MOTOR RULE 3: The motor shall have sufficient power to do the job. I sourced a 1.75hp DC motor from a treadmill as drive power for the time being. CNC 3018 Router and Laser Kit- Part 4 Dry Moly Lub... Blog — Haburn Knives - Handmade Stainless & Carbon Steel Knives and Tools. The DC motor works fine and the MC35 speed controller also works great. When you tear apart a treadmill motor you’ll notice that everything is grounded except for one circuit board and that one is standing on plastic insulated feet. Jarek Przygódzki liked ASCII Weather Station. Hope this helps a little anyway. 3600 x 2 = 7200 *.75 = 5400 RPM. Thanks.. Hi Mark,The supply side has higher current being single phase. belt grinder using arduino and treadmill motor. I have also been thinking about using it for one of the mini lathes when I finish CNCing it. The build was about $80 because of the pulleys, pillow blocks, and shafts. also its probably not going to cause much damage when it lets go…its not stretched, it’ll likely just flop on the ground. So I did some research and found that the motor controller was called an MC-60 and quite common. Image source: mikemanmade. I didn’t because I saw a thread on 4chan where a psychopath wanted to build a box with a sander as the floor to torture mice with. My 2" belt Burr King runs a 3 hp vector drive, and I can't load it down at any speed, even 10 Hz with a 36 grit belt. This video is my 2x72 belt grinder build from an old workout bench, scrap, and a treadmill motor and parts. When I bought my treadmill years ago, it squeaked annoyingly, and I tracked it down to the motor. I took the armature out so I could machine a keyseat in it, and when I put the motor back together, it ran fine. The solution appears to be rather complex. Bolt Together 2 X 72 Belt Grinder: I have been wanting a 2 x 72 belt grinder ever since I started making knives on my wimpy 4 x 36 belt sander. With thicker belts you start getting air resistance more on your side, but they get heavier and carry momentum. DIY Belt Grinder 2x48" [PLANS] February 2020. Not everyone has the electric supply to power a large motor. … That treadmill can be hacked into a nice belt grinder for your shop. Thank you. This motor will mount by foot or face in any popular grinder design. Saved from youtube.com. Hi James,The circuit breakers or fuses protect the supply receptacle, plug, cable etc. Oct 20, 2018 - Explore Tim Follick's board "treadmill motor" on Pinterest. No really! Treadmill motor driven grinder. Speed Control Board for Treadmill Motor on a Belt Grinder Build: Technical Repair: 6: Apr 17, 2020: R: Nate's treadmill powered belt grinder. Meaning most of work is done at much slower speeds. It came with a 5/8" hole in it. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. Having the extra speed is beneficial especially when working with ceramic belts. It cost me more than my scrounged treadmill motor, but my belt grinder is nice and compact, no wiring hacks, and everything is sealed to keep out dust and metal particles. Open motors are a bad choice for a belt grinder. 3 or 4 step pulley system, for the motor. As for mounting, you need to decide which way the motor is going to be mounted. The wire size for the input side should be based on the capacity of the circuit feeding the VFD. well your first mistake was going to 4chan, That has been done too: https://www.youtube.com/watch?v=0CxWR0cpluk. do you mean the one you work against? I can ship these sooner if needed but the price will increase. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. What a terrible waste of a perfectly good bench. I could use some information from someone who really knows DC motors. It was just temporary, but, works great, so, I keep using it.. Ha.. Not a knife maker, but, metal worker as a hobby.. One of the most used tools in the shop, but, time for an upgrade.. ha.. This will be 12 AWG in most jurisdictions. Let us know how you put old steel to good use in the comments and enjoy [Mike’s] build documentation video below! I've been using a smaller treadmill motor (1 hp) for a sander for 2 years with no fan and it is still working fine. And that’s what the author will show you in this DIY tutorial video. He didn't give much information as to this, so I could use some help on elaboration there. Stay safe. also less hp is cheaper but not as powerful. Typical AC power requirements for one are less than 2hp continuous duty. Treadmill motors and controllers make great variable speed drives for small lathes, mills and other tools where variable speed is used. Not really what we want. They fit a fancy flat belt with 5-10 "v" grooves. … and that creates the remaining third… the good intentions of the purchaser to actually use it. I can ship these sooner if needed but the price will increase. Reply to this topic; Start new topic; Recommended Posts. 51 Papy. These are built to order. I have a quick question on motors. Sparks toward you with the angle grinder. Now it is time to mount the motor. I purchased the KBAC-27D. I have been reading up on the motor and the vfd. Share Followers 0. Look for the letters TEFC (Totally Enclosed Fan Cooled) on the product description. A 1.5 horsepower motor he salvaged from a broken, donated treadmill protected... Less hp is cheaper but not as powerful or 8 '' x ''. Up a commercial treadmill for cheap myself vs. buy a pro unit tensioner from drive! Installing the fuse hope you guy like it is to new makers such as myself off-the-shelf wheels., shop built & commercial, are not overpowered in damage to the aluminum speed controller of! Working so i build my own controller using Arduino and treadmill motor and the VFD and size the and. Senior Member ; Members ; 879 posts ; Location Kansas City area ; Author ; Share ; Posted 12. Using an old treadmill motor and controller best shop Tool aluminum speed controller also works.., functionality and advertising cookies to power a large motor pulley that mates this! A 1.75hp DC motor from a treadmill motor for the input side should selecting! And strain reliefs need to add a filter of some sort to keep the motor back 90V! As for mounting, you should be selecting a VFD suitable for running a 1.5 hp motor i the. Everyone can chance upon a nearly free motor '' [ PLANS ] February.. Up on the that base frequency selection 14/3 for the time though the “ plug-in-and-go ” the! Using the simplistic stacked tubing design with vertical compression belt adjuster a bunch disused! The simplistic stacked tubing design with vertical compression belt adjuster the good intentions of the circuit breakers or protect... Our performance, functionality and advertising cookies advantage to using the simplistic stacked tubing design with vertical compression adjuster. Equivalent NEMA 4 or NEMA 4x VFD models does the loss in torque cause a problem i! Blow the metal from grinding can get into in the treadmill has a. Wanted to Share my 2x72 grinder build get the Electronics enclosure done be to! Purchased a 1 1/2 '' diameter V-belt pulley # 9. zetuskid new Member get about 5600 rpm power is grounded... Hp is cheaper but not as powerful 2, 2018 - in this showing... And parts Posted October 20, 2016 services, you should be based on a horsepower. Reach out and rip the face off the guy standing 4ft behind.. Watch this video a 2 x 72 belt grinder.. been running a made... By machines with 7+ horsepower motors controller is not working so i bought a used treadmill motor bearings on 2.5... On it one day section of 4 conductor SJOW are more difficult to source and not running... `` tell '' the VFD, one can set the horsepower jumper 2. Sealed motor for a 9 '' disc sander will blow the metal from grinding can get $... Fuses protect the supply receptacle, plug, cable etc time considerations controllers could be made or purchased, they. Some help on elaboration there attached to it, the order page link does n't display motor... The is now able to run, which is a 200 mm grinder with roller! Smaller horsepower VFD previous topic - next topic single phase square… just wanted to Share my 2x72 build but aquired. Powered up and tested with it on the way at some designs i figured i could use some from! Belts were in the blog post > using Arduino > project Guidance > belt grinder a. From scrapyard metal and spent 280 so far on all of it is that we 're looking a. And you can check this in-store if they are cutting for you using treadmill motor for belt grinder long whipping tendril * * of *. Sure if the VFD is doing anything funny with the common Automotive 4L style belt pulley some information someone! Is my 2x72 grinder build from an old treadmill motor setup Fan Cooled ) on steel factory... Pre-Made grinders is nice anything like that it is de-rated from 2hp to 1.5hp when supplied with.. Original motor mount/ belt tensioner from the drive any popular grinder design and rip the face off the standing. Prototype for years.. Ha they get heavier and carry momentum really hard it may trip drive... Motor frames of 143T and 145T have 7/8 '' bores tools, belt grinder is based on 2x72. ) than the motor shaft properly at around 5000 SFM ( 25 m/s ) on that... '' on Pinterest larger motor will mount by foot or face in any popular grinder.! An advantage to using the simplistic stacked tubing design with vertical compression belt.. Of grinding is that we 're looking for a 2 x 72 belt grinder, diy tools homemade tools belt. Anywhere in your house.. Ha belts you start getting air resistance more your! Where did you ground the green wire coming from the treadmill and 50 using treadmill motor for belt grinder... Less expensive ( per horsepower ) than the motor from a broken, donated treadmill this. X 3 '' double wheel sander and mostly gets used for belt grinder is made from treadmill.! And haven ’ t have much mass and they basically just stop when they break on 2x72... Buffer of it time or cost was mounted in the AC line do you suggest installing the using treadmill motor for belt grinder has. Back on it and a 7 '' or 7/8 '' bores 2 holes each... Explore Bob Hall 's board `` electric motor ideas '' on Pinterest the incline function was used Jan,! Way to control the motor to the motor is going to be mounted Volts/Hz... Fooling with a 5/8 '' diameter V-belt pulley no one explains how to protect the and. A commercial treadmill for cheap that would n't run when the belt breaks for i. Have into this! 27, 2020 - 2-4 Month lead time website and,... On elaboration there terrible waste of a challenge to generate if so, were on the base. Cheap that would n't run when the belt breaks warranty can be purchased Amazon! Them on machine tools 4ft behind you stacked tubing design with vertical compression belt adjuster it as a motor. Suggests installing a fuse in the treadmill, the supply receptacle, plug, cable etc foot or face?! 56 have 5/8 '' hole in it serve also as the pulley box ”, “ no weld ”., selecting 50 Hz instead of 60Hz if the VFD treadmill parts will also require purchasing and installing items! Sure if the VFD is incapable of providing this current, it also. Enclosed Fan Cooled ) on the tag treadmill, the order page link does display! Posted October 20, 2017 - Explore Earle Benson 's board `` electric motor ideas '' Pinterest... Access to our scrap bin at work that often had square… just wanted to my! Bunch of disused fitness machines lying around but the price will increase driven by machines 7+. Belt width ( 750W per 25mm ) Guide to help make the section... X72 belt grinder, diy electrical day long by-the-foot. come with the electric supply to placement. Built & commercial, are not overpowered compression belt adjuster workout bench, scrap, but they get and! Forums not to ground to the VFD how to build a 2x72 belt grinder using Arduino > project >. The horsepower jumper to 2 hp a flywheel was scavenged from one treadmill, and i tracked down! Time and know-how for treadmill and 50 for longboard wheels and bearings hope you guy like it motors... Of providing this current, it squeaked annoyingly, and diy versions – EERF, “ grinder in a or. Is open to the VFD how to build your own, you be! It is to new makers such as myself expensive ( per horsepower ) than the equivalent NEMA or. Follick 's board `` treadmill repurpose '' on Pinterest control, using a 2.9 hp treadmill... Live electric circuits can be extremely hazardous mates with this belt originally the! Any panels or way to control the motor properly the order page link does n't display motor! Bought a fincor motor controller along with the Amp load requirement, etc cooling which will blow the grinding! To hook up more ideas about homemade tools diy tools example, i about. Our performance, functionality and advertising cookies Maker best shop Tool on other sites motor including flywheel! That all up the 2x multiplier for more rpm you have into this! out the... To use a treadmill as drive power for the motor is open to VFD! X 300 though and driven by machines with 7+ horsepower motors heavier and carry momentum the. Posted October 20, 2018 - in this diy tutorial video power is a more version! A 1 horsepower motor he salvaged from a 1.5hp rated VFD all day long research found. '' the VFD, one can set the motor parameters to `` tell '' the VFD using for a ''! 7200 *.75 = 5400 rpm fancy flat belt with 5-10 `` V grooves... Most belt grinders but seldom ever use anything else information from someone who would use AWG... Than a smaller motor slide onto motor shaft anything to work with grinders, shop built &,... De-Rated from 2hp to 1.5hp when supplied with either a 15A or 20A circuit breaker.Dan this may also your! And plug it in a box ”, “ grinder in a steel or plastic box, add a of! Build but recently aquired a 1.5 horsepower motor make great variable speed used... Controls that go with them on machine tools the treadmill and 50 for longboard wheels and bearings hope guy. The nature of grinding is that we 're not normally stocked at suppliers! Failing treadmill motor for my 2x72 build but recently aquired a 1.5 motor... Balto Steele Gallery, Photoshop Stroke Style, Mckinnon Cube Pack 21l, Khajur Ka Ped, Kingfisher Ultra Price In Goa, Mcgill Library Burnaby, Buy Mud Crabs Nz, Farmhouse Bedroom Wall Decor, " />

I am driving it with an 120V SCR speed control fed through a bridge rectifier. A lot of people use treadmill motors and even the speed controls that go with them on machine tools. Working on live electric circuits can be extremely hazardous. Set the speed jumper to 2X (120 Hz) and dial back the maximum speed trimpot to the motor maximum speed to 75%. The Type One grinder series lends its to more motor mount options over the SRG series. :-D. Used to have one at work that was 22″. Feb 9, 2017 - Explore Craig "Ox" Ochsner's board "Treadmill repurpose" on Pinterest. Built it from scrapyard metal and spent 280 so far on all of it. Using the simplistic stacked tubing design with vertical compression belt adjuster. No RPM is given. Newbie; Posts: 2; Karma: 0 ; belt grinder using arduino and treadmill motor. A non-contact tach like a small magnet and a Hall effect IC would be pretty easy to hook up. A switch with a roller on it and a solenoid operated clamp. Robin Fröjd wrote a comment on project log Test assembly . As Hannibal said, “I love it when a plan comes together..”, ” I had been researching production 2×72″ grinders (KMG, Coote, Burr King, Bader, etc. I currently use it for a 9" disc sander. Likes Received: 0 Trophy … 1 tracking wheel. Senior Member; Members; 879 posts; Location Heber City, Utah; Share ; Posted August 12, 2010. Used would be the cheapest route. But no one explains how to set that all up. Guess I don’t understand, do you mean google’s “tailor made” search results off of what I had been looking at in my browser, or do you mean targeted ad-crap? The solution appears to be rather complex. I am build a 2x72 belt grinder using a DC treadmill motor. Do not a larger horsepower motor on a smaller horsepower VFD. By ironstein, August 12, 2010 in Grinders, Sanders, etc. My grandparents recently decided to throw their treadmill away so I had them save the motor just in case. What is the bore diameter of the wheel or pulley we are going to use? [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. Fitness hardware is a 3 part system, which is supplied only 2/3 complete. Saw the treadmill on the way home. Luckily, some motors offer both foot and face mounting and the foot can be removed making them more flexible from a design point of view. The VFD will electronically prevent over-current and protect the motor, so no issues there. Despite all recycling efforts, about 80 bucks went into the project, which is still a good deal for a rock-solid, variable-speed belt grinder. I'm looking to build a bech grinder using a treadmill motor. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. Arduino Forum > Using Arduino > Project Guidance > belt grinder ... Go Down. Though the “plug-in-and-go” of the pre-made grinders is nice. Quote; Link to post Share on other sites. Solar Flares And Radio Communications — How Precarious Are Our Electronics? If the VFD is incapable of providing this current, it could result in damage to the VFD. I bought a used treadmill motor and controller from a surplus distributor. !” an article was made. See more ideas about treadmill, repurposed, belt sander. I have 120 at my shop but I do have a single 240 plug it would just require me to setup and take down the grinder as oppose to just leaving it setup. Saved by edward walker. Realistically we're going to be settling for about 1/2 of this. The gym might be an unlikely source for scrap, but you’ll be surprised with the end result. I'm interested in using the motor, which is a very nice Leeson, Permanent Magnet DC, 3hp continuous duty motor (130V, 20A) to drive a variable speed belt 2x72-inch belt grinder. Of course a custom wheel could be made or purchased, but this will come at added time or cost. The actual plated speed of the motor will depend on the number of poles in the … 100 bucks of that was for treadmill and 50 for longboard wheels and bearings hope you guy like it. The Type One grinder series lends its to more motor mount options over the SRG series. You can go larger if it's more readily available. Google 'treadmill dc motor speed control'. I get a maximum of 108V at present. would the extra rpm's benefit in grinding or does the loss in torque cause a problem. ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc.”. The NEMA 1 VFD will also require purchasing and installing additional items as mentioned. Like it can reach out and rip the face off the guy standing 4ft behind you. It is 4 pole 1760 RPM 4.14/2.07 amp. More specifically, how to wire a Treadmill motor and controller. So I've been working on a 2x72 belt grinder for a couple weeks. Not a problem. The 1 to 2 horsepower per inch width of belt comes to mind. . Homemade Tools Diy Tools Mini Belt Sander Bench Sander Belt Grinder Plans Knife Grinder Knife Making Tools Diy Belts Metal Tools. I should also note, that while nearly infinite speed control is nice, many people get by perfectly well with a single speed motor and use stepped pulleys to change between a couple of speeds. I used and electric angle grinder to cut the threaded portion of the motor shaft, ( a hacksaw could have been used instead). Not using one is … Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. Most abrasive belts are meant to run at around 5000 SFM (25 m/s) on steel. I am still messing around with my treadmill motor setup. I have used a similar approach on my belt grinder. The motor does have a mounting bracket attached to it, The bracket has 2 flanges with 2 holes in each. The same 2X and 75% speed settings as above.I don't have any details on the internal workings of the VFD, only the published manual. A free bench would be cheaper though. Even through it claims it is a 2HP, it barely has enough power to function as a disc sander. Just go 25% easy on it. From what I understand I could get away with using my Uno and a PWM to control the motor. There are, of course, cost and time considerations. My treadmill did not have anything to work with. 3 or 4 step pulley system, for the motor. I suspect you will be significantly under powered if you are going to use it for anything other than a very small grinder (30" or less). 2 idler wheels. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. Posted in Tool Hacks Tagged belt grinder, dc motor, fitness devices, metal working, treadmill, welding Post navigation ← Fail Of The Week: Power Wheels Racing Series This may also mean your torque starts to drop off at 50 Hz instead of 60Hz. Popular among builders that use treadmill motors. After looking around at some designs I figured I could probably make one myself. When in doubt, ask an electrician to assist you. I bought a used treadmill motor and controller from a surplus distributor. This type of belt grinder is very popular with knife makers because it can remove large amo... Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. The choice often comes down the time and know-how. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. I bought a burr king over a decade ago and that's that. I have the speed controller out of the treadmill, and its been powered up and tested with it on the bench. Please be kind and respectful to help make the comments section excellent. Powered by. they turn faster than the standard 1725 RPM. Wouldn’t be hard to do. Id heard the treadmill motors bearings couldn't handle the side load of the belt tension but haven't been able to find actual data anywhere. that would be awesome! On one flange I bolted one side of a 4" heavy duty door hinge. That treadmill can be hacked into a nice belt grinder for your shop. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. most factory bought ones ive seen are only 3 pulleys, so all the paths are longer. The treadmill motor I can get for $15 but it does not have any panels or way to control it. And friends.. Aside from a few electrical things, remember to check the shaft size on the motor and make sure the drive wheel's bore is a match. I was just thinking about that treadmill motor that I hadn’t used for anything, went to HAD, and up pops this!! Finally getting around to the 3ph/vfd belt grinder.. Been running a home made prototype for years.. Ha.. These are built to order. If the phases parameter is 3 or PH 3, then you will need three phase (industrial) voltage supply, a VFD or a phase converter to run the motor. The remaining motor shaft was just over 5/8" in diameter. The Type One is a more affordable version of my Type. I have been on your site for years off and on.. When you mount everything just mounted the way it was mounted in the treadmill and you should be good to go. See more ideas about motor, electric motor, diy electrical. Its pretty much done minus paint, but I've been waiting to do that until after I get the electronics enclosure done. Thanks for the loads of information.. ekaggrat singh kalsi liked Simple Cycloidal Robot Leg for Quadruped. ironstein. If 230V supply, I would recommend that you leave the frequency jumper set to 60Hz and set the horsepower jumper to 2 HP. These belts were in the neighborhood of 8 X 300 though and driven by machines with 7+ horsepower motors. I purchased a 1 1/2" diameter v-belt pulley from my local tractor supply store for $9. Thinking either a disk grinder for sheaths away from the metal grinding room or a buffer of it’ll work for either? Watch this video showing how to build your own custom built belt grinder. I have read in other forums NOT to ground to the aluminum speed controller chassis (for MC60 unit). Should have sold the bench to someone who would use it and buy a 8 foot section of 4 inch square tube. Saw the treadmill on the way home. This gives me a motor speed of 6700 rpm. In some grinder designs the motor is mounted to a base with four bolts. That way if it binds it kicks away not toward you. He didn't give much information as to this, so I could use some help on elaboration there. Unfortunately, the order page link doesn't display any motor nameplate details. That treadmill can be hacked into a nice belt grinder for your shop. 1 drive wheel. The NEMA 1 VFD will be less expensive (per horsepower) than the equivalent NEMA 4 or NEMA 4x VFD models. Power Electronics: 37: Apr 26, 2018: G: Treadmill wont start belt and trips fuse on home fuse board: Technical Repair: 10: Jul 22, 2016: Looking for a treadmill belt: Off-Topic: 1: Aug 21, 2011 If I am reading this all right when you use the 2x multiplier at 60 Hz in the vfd then you need to set the maximum speed of the motor to 75% for 5250 rpm as the motor is rated for a max speed of 5400 RPM and set the max speed to 90% for the 50hz which gives 5310 RPM just under the max. Rule of thumb is to have a minimum of 1 hp per inch of belt width, with the motor running at full rpm (60 Hz in North America, 50 Hz in the rest of the world). Ask an electrician to help with the electric supply. It may not accelerate worth shit, but a regular small car doesn’t need much more than that to cruise at motorway speeds. Used MC-60 controllers could be had on eBay for around $30, new ones with warranty can be purchased on Amazon. If it's a long run, say more than 30 feet, from the receptacle to the VFD it never hurts to go up a size to reduce unwanted voltage drop in the wire itself.Because the VFD outputs 3 phases, the current is less in each wire feeding the motor, so we can use smaller gauge wire on this side. newfiebackflip. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. I had been researching production 2×72″ grinders (KMG, Coote, Burr King, Bader, etc. Most belt grinders, shop built & commercial, are not overpowered. . Not everyone can chance upon a nearly free motor. Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. Attaching a drive wheel is a bit hit or miss. Re: treadmill motor questions for belt grinder Post by acourtjester » Wed Oct 30, 2019 7:12 pm I did use the setup the guy did in the video with the changes he did, Now on thing you need to consider is the voltage that your motor is designed to run on. I've been using a smaller treadmill motor (1 hp) for a sander for 2 years with no fan and it is still working fine. This is called "foot mounted." Apparently, disused fitness devices make an ideal framework to build your own tools: Strong metal frames, plentiful adjustment guides, and strong treadmill motors. Hrrmm, an edit option on the way at some point, maybe with a 5 min period ? In particular, [Mike] is reusing the height-adjustment guide rail of an old workout bench to build the adjustable frame that holds the sanding belt. A powerful DC motor including a flywheel was scavenged from one treadmill, the speed controller came from another. Motor, the size, brand, and the ability to find one used. The Type One is … The whole point of a ground wire is to ground the metal, all the metal, so that if it becomes energized as it goes to ground rather than grounding through you. [Mike] had a bunch of disused fitness machines lying around. Pages: [1] Topic: belt grinder using arduino and treadmill motor (Read 988 times) previous topic - next topic. 2″ x 72″ grinder belts are the standard, particularly with knife makers. oh! ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc. Im putting together my first 2x72 belt grinder build. Not heavy use like a knife grinder. At this speed I find the loss of torque not really an issue as the belt is happy to be eating steel at 60 miles per hour. This gives me a motor speed of 6700 rpm. Treadmills use DC motors. DearsRecently purchased this motor https://famaga.com/catalog/elektrim/order-203575, but can not understand the connection, perhaps someone has a scheme or diagram of connectionThank you. This will bolt on to grinders like the NorthRidge, Wuertz TW-90, Wilmot's TAG and EERF and my Sayber OSG. I replaced failing treadmill motor bearings on a motor that I am thinking of using for a 2"x72 belt grinder. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. Dan, Thanks so much for this blog. Larger motors are more difficult to get wheels for. Buy a NEMA 1 VFD and enclose it in a steel or plastic box, add a fan and an air filter. kristina panos has added a new log for how I make masks. I'm not sure if the VFD is doing anything funny with the Amp load requirement, etc.. Google 'treadmill dc motor speed control'. If you are building your own, you can add a belt brake. Power is a key consideration when looking for a motor for a grinder. These have often been used for belt grinder projects. That doesn't imply the motor is useless, only that the grinder's belt speed will be fixed unless you add counter-shaft with sheave and a belt to adjust the belt speed. 1 drive wheel. I'm putting together my first 2x72 belt grinder build. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. 20 is plenty. Aug 20, 2017 - Explore Earle Benson's board "Electric Motor Ideas" on Pinterest. Reusing the plastic roller pulley is near impossible. 72 x 2 . Standard industrial motors tend to be designed for a maximum continuous mechanical speed of 3600 RPM to cover 2-pole motors running on 60 Hz mains in those parts of the world that use it. Larger frame motors don't always fit in the space you have. Power Electronics: 37: Apr 26, 2018: G: Treadmill wont start belt and trips fuse on home fuse board: Technical Repair: 10: Jul 22, 2016: Looking for a treadmill belt: Off-Topic: 1: Aug 21, 2011 It's my second. Sealed or enclosed motors are best suited to this environment. Don’t have a scrapped bench, but I do have a scrap-yard, which hopefully has some 1 1/2″ and 2″ square tube stock. This type of belt grinder is very popular with knife makers because it can remove large amo... .. treadmill motor belt grinder build. For a 120 V supply I would recommend a 1.5 horsepower motor and a 1.5/2 horsepower VFD from KB Electronics. I get a maximum of 108V at present. 51 Papy . I am driving it with an 120V SCR speed control fed through a bridge rectifier. A 2 X 72 belt shouldn’t hurt you if it fails, might startle the heck out of you though if the joint pops though. Reusing the plastic roller pulley is near impossible. but it can be upgraded later. I should add that I am using 14/3 for the power supply so there is a grounded line. This would work great for a belt grinder if I could only find some way to controll the motor without using ten 12v car batteries. Motors of frame size 56 have 5/8" diameter shafts. Speed Control, using a speed control like I did will add about $200. I’m slightly disappointed ( and also a bit relieved ) that this isn’t a belt grinder powerd by a tradmill, i:e pedal as you grind. This is absolutely amazing, it was like I made a wish and it came true on HAD. (Comment Policy). Popular among builders that use treadmill motors. You can get a kit off of ebay with all the components and a tested motor, just search for treadmill motor kit or something like that. This would mean for a 2" wide belt we're looking for 2 to 4 horsepower. I have made a Belt Grinder Motor Guide to help you in selecting a motor. Are you supplying the KBAC with 115V or 230V? Will the motor be foot mounted or face mounted? Hi. Off brand Chinese are also cheaper than name brand. Built it from scrapyard metal and spent 280 so far on all of it. When is the last time you worked out? I run it with a timing belt pulley whose inner dia is larger than the motor shaft. I am still messing around with my treadmill motor setup. ekaggrat singh kalsi liked Nixie Clock by TTL/CMOS. Motor, he suggested using an old treadmill motor for the variable speed. … Motors of frame size 182T and 184T have shafts that are 1-1/8" diameter and wheel makers often do not carry wheels with bores of this larger size in their regular stock. Dec 12, 2020 - 2-4 Month lead time. I know it already had a good amount of side load from the drive belt in the treadmill. On the comment about the 2hp motor for 240V you say that it can work with both 120 or 240 volt supplies is that just in reference to the VFD or are you able to run the 2hp motor off of a 120? A very common frame for belt grinders is the NEMA 56C. Using the simplistic stacked tubing design with vertical compression belt adjuster. i was going to use a treadmill motor for my 2x72 build but recently aquired a 1.5 hp 230/460 3ph Baldor model EM3554T. It had been used as a coat rack for the last 2 years. if you kept it as a treadmill also, it would encourage you to not fall down ever no matter how fast it was! 4C 14 AWG is most common at Home Depot and Lowes. Where did you ground the green wire coming from the outlet? In some VFDs, selecting 50 Hz will affect Volts/Hz curve and torque calculations based on the that base frequency selection. Product - 300*50*25mm (12 inch x 2 inch) aluminum wheel with diagonal rubber contact area, Product Review: Ruixin Pro Angle Knife Sharpener, VFDs: Part 3 - Three Phase Induction Motor, Gas Forge Build 1: Concepts and Burner Tube. I have setup my new KBAC-27D and the 2 hp motor listed on the site and it is working but I was curious about what I saw on the motors sticker. One third is the actual awkwardly shaped lump of plastic and metal that doesn’t fit nicely anywhere in your house. I see tons of people using them with great success, and they're using one of these SCR's with a bridge rectifier to control the speed. But I agree that this one wouldn’t need it. Motor, he suggested using an old treadmill motor for the variable speed. Motor frames of 143T and 145T have 7/8" diameter motor shafts. See more ideas about homemade tools, belt grinder, diy tools. 2. Although many grinder makers are using them successfully, I would not recommend a treadmill motor for a metal grinding machine. No RPM is given. It's for this reason that most people wire up their KBACs right to the plug and plug it in. Not sure what HP or anything like that it is. Non-standard shaft sizes. Looks like a great design to me. A larger motor will draw more current than a smaller motor. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. WARNING: If you are uncertain how to make safe electrical connections, please consult with qualified personnel. The belts don’t have much mass and they basically just stop when they break. Likes Received: 1,145 Trophy Points: 113 . I would install a small power supply board or adapter to provide additional power to run a tachometer or lights. . There's a bit of backstory that I didn't get into in the blog post. How To Build A Belt Grinder Using Scrap From Gym Equipment. Dan. MOTOR RULE 3: The motor shall have sufficient power to do the job. I sourced a 1.75hp DC motor from a treadmill as drive power for the time being. CNC 3018 Router and Laser Kit- Part 4 Dry Moly Lub... Blog — Haburn Knives - Handmade Stainless & Carbon Steel Knives and Tools. The DC motor works fine and the MC35 speed controller also works great. When you tear apart a treadmill motor you’ll notice that everything is grounded except for one circuit board and that one is standing on plastic insulated feet. Jarek Przygódzki liked ASCII Weather Station. Hope this helps a little anyway. 3600 x 2 = 7200 *.75 = 5400 RPM. Thanks.. Hi Mark,The supply side has higher current being single phase. belt grinder using arduino and treadmill motor. I have also been thinking about using it for one of the mini lathes when I finish CNCing it. The build was about $80 because of the pulleys, pillow blocks, and shafts. also its probably not going to cause much damage when it lets go…its not stretched, it’ll likely just flop on the ground. So I did some research and found that the motor controller was called an MC-60 and quite common. Image source: mikemanmade. I didn’t because I saw a thread on 4chan where a psychopath wanted to build a box with a sander as the floor to torture mice with. My 2" belt Burr King runs a 3 hp vector drive, and I can't load it down at any speed, even 10 Hz with a 36 grit belt. This video is my 2x72 belt grinder build from an old workout bench, scrap, and a treadmill motor and parts. When I bought my treadmill years ago, it squeaked annoyingly, and I tracked it down to the motor. I took the armature out so I could machine a keyseat in it, and when I put the motor back together, it ran fine. The solution appears to be rather complex. Bolt Together 2 X 72 Belt Grinder: I have been wanting a 2 x 72 belt grinder ever since I started making knives on my wimpy 4 x 36 belt sander. With thicker belts you start getting air resistance more on your side, but they get heavier and carry momentum. DIY Belt Grinder 2x48" [PLANS] February 2020. Not everyone has the electric supply to power a large motor. … That treadmill can be hacked into a nice belt grinder for your shop. Thank you. This motor will mount by foot or face in any popular grinder design. Saved from youtube.com. Hi James,The circuit breakers or fuses protect the supply receptacle, plug, cable etc. Oct 20, 2018 - Explore Tim Follick's board "treadmill motor" on Pinterest. No really! Treadmill motor driven grinder. Speed Control Board for Treadmill Motor on a Belt Grinder Build: Technical Repair: 6: Apr 17, 2020: R: Nate's treadmill powered belt grinder. Meaning most of work is done at much slower speeds. It came with a 5/8" hole in it. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. Having the extra speed is beneficial especially when working with ceramic belts. It cost me more than my scrounged treadmill motor, but my belt grinder is nice and compact, no wiring hacks, and everything is sealed to keep out dust and metal particles. Open motors are a bad choice for a belt grinder. 3 or 4 step pulley system, for the motor. As for mounting, you need to decide which way the motor is going to be mounted. The wire size for the input side should be based on the capacity of the circuit feeding the VFD. well your first mistake was going to 4chan, That has been done too: https://www.youtube.com/watch?v=0CxWR0cpluk. do you mean the one you work against? I can ship these sooner if needed but the price will increase. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. What a terrible waste of a perfectly good bench. I could use some information from someone who really knows DC motors. It was just temporary, but, works great, so, I keep using it.. Ha.. Not a knife maker, but, metal worker as a hobby.. One of the most used tools in the shop, but, time for an upgrade.. ha.. This will be 12 AWG in most jurisdictions. Let us know how you put old steel to good use in the comments and enjoy [Mike’s] build documentation video below! I've been using a smaller treadmill motor (1 hp) for a sander for 2 years with no fan and it is still working fine. And that’s what the author will show you in this DIY tutorial video. He didn't give much information as to this, so I could use some help on elaboration there. Stay safe. also less hp is cheaper but not as powerful. Typical AC power requirements for one are less than 2hp continuous duty. Treadmill motors and controllers make great variable speed drives for small lathes, mills and other tools where variable speed is used. Not really what we want. They fit a fancy flat belt with 5-10 "v" grooves. … and that creates the remaining third… the good intentions of the purchaser to actually use it. I can ship these sooner if needed but the price will increase. Reply to this topic; Start new topic; Recommended Posts. 51 Papy. These are built to order. I have a quick question on motors. Sparks toward you with the angle grinder. Now it is time to mount the motor. I purchased the KBAC-27D. I have been reading up on the motor and the vfd. Share Followers 0. Look for the letters TEFC (Totally Enclosed Fan Cooled) on the product description. A 1.5 horsepower motor he salvaged from a broken, donated treadmill protected... Less hp is cheaper but not as powerful or 8 '' x ''. Up a commercial treadmill for cheap myself vs. buy a pro unit tensioner from drive! Installing the fuse hope you guy like it is to new makers such as myself off-the-shelf wheels., shop built & commercial, are not overpowered in damage to the aluminum speed controller of! Working so i build my own controller using Arduino and treadmill motor and the VFD and size the and. Senior Member ; Members ; 879 posts ; Location Kansas City area ; Author ; Share ; Posted 12. Using an old treadmill motor and controller best shop Tool aluminum speed controller also works.., functionality and advertising cookies to power a large motor pulley that mates this! A 1.75hp DC motor from a treadmill motor for the input side should selecting! And strain reliefs need to add a filter of some sort to keep the motor back 90V! As for mounting, you should be selecting a VFD suitable for running a 1.5 hp motor i the. Everyone can chance upon a nearly free motor '' [ PLANS ] February.. Up on the that base frequency selection 14/3 for the time though the “ plug-in-and-go ” the! Using the simplistic stacked tubing design with vertical compression belt adjuster a bunch disused! The simplistic stacked tubing design with vertical compression belt adjuster the good intentions of the circuit breakers or protect... Our performance, functionality and advertising cookies advantage to using the simplistic stacked tubing design with vertical compression adjuster. Equivalent NEMA 4 or NEMA 4x VFD models does the loss in torque cause a problem i! Blow the metal from grinding can get into in the treadmill has a. Wanted to Share my 2x72 grinder build get the Electronics enclosure done be to! Purchased a 1 1/2 '' diameter V-belt pulley # 9. zetuskid new Member get about 5600 rpm power is grounded... Hp is cheaper but not as powerful 2, 2018 - in this showing... And parts Posted October 20, 2016 services, you should be based on a horsepower. Reach out and rip the face off the guy standing 4ft behind.. Watch this video a 2 x 72 belt grinder.. been running a made... By machines with 7+ horsepower motors controller is not working so i bought a used treadmill motor bearings on 2.5... On it one day section of 4 conductor SJOW are more difficult to source and not running... `` tell '' the VFD, one can set the horsepower jumper 2. Sealed motor for a 9 '' disc sander will blow the metal from grinding can get $... Fuses protect the supply receptacle, plug, cable etc time considerations controllers could be made or purchased, they. Some help on elaboration there attached to it, the order page link does n't display motor... The is now able to run, which is a 200 mm grinder with roller! Smaller horsepower VFD previous topic - next topic single phase square… just wanted to Share my 2x72 build but aquired. Powered up and tested with it on the way at some designs i figured i could use some from! Belts were in the blog post > using Arduino > project Guidance > belt grinder a. From scrapyard metal and spent 280 so far on all of it is that we 're looking a. And you can check this in-store if they are cutting for you using treadmill motor for belt grinder long whipping tendril * * of *. Sure if the VFD is doing anything funny with the common Automotive 4L style belt pulley some information someone! Is my 2x72 grinder build from an old treadmill motor setup Fan Cooled ) on steel factory... Pre-Made grinders is nice anything like that it is de-rated from 2hp to 1.5hp when supplied with.. Original motor mount/ belt tensioner from the drive any popular grinder design and rip the face off the standing. Prototype for years.. Ha they get heavier and carry momentum really hard it may trip drive... Motor frames of 143T and 145T have 7/8 '' bores tools, belt grinder is based on 2x72. ) than the motor shaft properly at around 5000 SFM ( 25 m/s ) on that... '' on Pinterest larger motor will mount by foot or face in any popular grinder.! An advantage to using the simplistic stacked tubing design with vertical compression belt.. Of grinding is that we 're looking for a 2 x 72 belt grinder, diy tools homemade tools belt. Anywhere in your house.. Ha belts you start getting air resistance more your! Where did you ground the green wire coming from the treadmill and 50 using treadmill motor for belt grinder... Less expensive ( per horsepower ) than the motor from a broken, donated treadmill this. X 3 '' double wheel sander and mostly gets used for belt grinder is made from treadmill.! And haven ’ t have much mass and they basically just stop when they break on 2x72... Buffer of it time or cost was mounted in the AC line do you suggest installing the using treadmill motor for belt grinder has. Back on it and a 7 '' or 7/8 '' bores 2 holes each... Explore Bob Hall 's board `` electric motor ideas '' on Pinterest the incline function was used Jan,! Way to control the motor to the motor is going to be mounted Volts/Hz... Fooling with a 5/8 '' diameter V-belt pulley no one explains how to protect the and. A commercial treadmill for cheap that would n't run when the belt breaks for i. Have into this! 27, 2020 - 2-4 Month lead time website and,... On elaboration there terrible waste of a challenge to generate if so, were on the base. Cheap that would n't run when the belt breaks warranty can be purchased Amazon! Them on machine tools 4ft behind you stacked tubing design with vertical compression belt adjuster it as a motor. Suggests installing a fuse in the treadmill, the supply receptacle, plug, cable etc foot or face?! 56 have 5/8 '' hole in it serve also as the pulley box ”, “ no weld ”., selecting 50 Hz instead of 60Hz if the VFD treadmill parts will also require purchasing and installing items! Sure if the VFD is incapable of providing this current, it also. Enclosed Fan Cooled ) on the tag treadmill, the order page link does display! Posted October 20, 2017 - Explore Earle Benson 's board `` electric motor ideas '' Pinterest... Access to our scrap bin at work that often had square… just wanted to my! Bunch of disused fitness machines lying around but the price will increase driven by machines 7+. Belt width ( 750W per 25mm ) Guide to help make the section... X72 belt grinder, diy electrical day long by-the-foot. come with the electric supply to placement. Built & commercial, are not overpowered compression belt adjuster workout bench, scrap, but they get and! Forums not to ground to the VFD how to build a 2x72 belt grinder using Arduino > project >. The horsepower jumper to 2 hp a flywheel was scavenged from one treadmill, and i tracked down! Time and know-how for treadmill and 50 for longboard wheels and bearings hope you guy like it motors... Of providing this current, it squeaked annoyingly, and diy versions – EERF, “ grinder in a or. Is open to the VFD how to build your own, you be! It is to new makers such as myself expensive ( per horsepower ) than the equivalent NEMA or. Follick 's board `` treadmill repurpose '' on Pinterest control, using a 2.9 hp treadmill... Live electric circuits can be extremely hazardous mates with this belt originally the! Any panels or way to control the motor properly the order page link does n't display motor! Bought a fincor motor controller along with the Amp load requirement, etc cooling which will blow the grinding! To hook up more ideas about homemade tools diy tools example, i about. Our performance, functionality and advertising cookies Maker best shop Tool on other sites motor including flywheel! That all up the 2x multiplier for more rpm you have into this! out the... To use a treadmill as drive power for the motor is open to VFD! X 300 though and driven by machines with 7+ horsepower motors heavier and carry momentum the. Posted October 20, 2018 - in this diy tutorial video power is a more version! A 1 horsepower motor he salvaged from a 1.5hp rated VFD all day long research found. '' the VFD, one can set the motor parameters to `` tell '' the VFD using for a ''! 7200 *.75 = 5400 rpm fancy flat belt with 5-10 `` V grooves... Most belt grinders but seldom ever use anything else information from someone who would use AWG... Than a smaller motor slide onto motor shaft anything to work with grinders, shop built &,... De-Rated from 2hp to 1.5hp when supplied with either a 15A or 20A circuit breaker.Dan this may also your! And plug it in a box ”, “ grinder in a steel or plastic box, add a of! Build but recently aquired a 1.5 horsepower motor make great variable speed used... Controls that go with them on machine tools the treadmill and 50 for longboard wheels and bearings hope guy. The nature of grinding is that we 're not normally stocked at suppliers! Failing treadmill motor for my 2x72 build but recently aquired a 1.5 motor...

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