using treadmill motor for belt grinder

Joan liked Reflowduino - Wireless Reflow Controller Ecosystem. The VFD will electronically prevent over-current and protect the motor, so no issues there. 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. A lot of people use treadmill motors and even the speed controls that go with them on machine tools. Motor, the size, brand, and the ability to find one used. These are built to order. I currently use it for a 9" disc sander. Open motors are a bad choice for a belt grinder. That treadmill can be hacked into a nice belt grinder for your shop. Arduino Forum > Using Arduino > Project Guidance > belt grinder ... Go Down. 2 idler wheels. See more ideas about Motor, Treadmill, South bend lathe. Looks like a great design to me. 1 drive wheel. Dan dancom, Jan 4, 2017 #8. dancom Dust Maker Best Shop Tool. Most treadmill motor flywheels serve also as the pulley. I can ship these sooner if needed but the price will increase. Custom built Belt Grinder with Treadmill Motor. Gee, I have one of those somewhere and haven’t tried it yet. It's suggests installing a fuse in the AC line. You will need to add a filter of some sort to keep the motor clean. 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 I am still messing around with my treadmill motor setup. Just go 25% easy on it. [Mike] had a bunch of disused fitness machines lying around. So I did some research and found that the motor controller was called an MC-60 and quite common. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. 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 Type One grinder series lends its to more motor mount options over the SRG series. 1.jpg. Though the “plug-in-and-go” of the pre-made grinders is nice. Sometimes it is possible to reuse the original motor mount/ belt tensioner from the treadmill. It is 4 pole 1760 RPM 4.14/2.07 amp. Google 'treadmill dc motor speed control'. I could use some information from someone who really knows DC motors. If you work it really hard it may trip the drive. Simple theme. Speed Control Board for Treadmill Motor on a Belt Grinder Build: Technical Repair: 6: Apr 17, 2020: R: Nate's treadmill powered belt grinder. I set a parameter or flick a switch and VFD the is now able to control and protect the motor properly. I have read in other forums NOT to ground to the aluminum speed controller chassis (for MC60 unit). Using the simplistic stacked tubing design with vertical compression belt adjuster. Larger frame motors don't always fit in the space you have. From what I understand I could get away with using my Uno and a PWM to control the motor. Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. A brief overview of DC motor controllers and how to wire them. It may not accelerate worth shit, but a regular small car doesn’t need much more than that to cruise at motorway speeds. … and that creates the remaining third… the good intentions of the purchaser to actually use it. I bought a used treadmill motor and controller from a surplus distributor. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. Confused a bit.. 3phase 2HP Ironhorse with VFD.. Motor says amps 5.22/2.61 4.78/2.39Diagram says 16awg is sufficient, but shows this on VFD to Motor side.. Is it the same requirement from Utility Power(source) to VFD? I am build a 2x72 belt grinder using a DC treadmill motor. Every thing from mills to lathes. I'm using a 2.9 HP DC treadmill motor that I got for free. The Motor is a 200 mm grinder With a 8 Inch Wheel. February 22, 2018 February 22, 2018 admin 0 Comments Belt Grinder Build From Scrap Workout Bench And Treadmill Motor With raw materials dwindling and running out fast, it’s only right that we recycle everything that can be recycled. which part of the path? Used would be the cheapest route. Built it from scrapyard metal and spent 280 so far on all of it. Within the VFD, one can set the motor parameters to "tell" the VFD how to protect the motor. This will be lower with slip factored in, like you suggested more like 5250 RPM.If you are supplying the KBAC with 115V, then I would leave the frequency jumper set to 60Hz and set the horsepower jumper to 1.5 HP. More specifically, how to wire a Treadmill motor and controller. In some cases 15A 2 pole breakers is feeding the VFD, then I would use 14 AWG. Working on live electric circuits can be extremely hazardous. Sealed or enclosed motors are best suited to this environment. :-D. Used to have one at work that was 22″. I had to bore out the hole slightly larger to slide onto motor shaft properly. If I made one today, I doubt it would look as good as yours. Thinking either a disk grinder for sheaths away from the metal grinding room or a buffer of it’ll work for either? Realistically we're going to be settling for about 1/2 of this. that would be awesome! ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc. I had access to our scrap bin at work that often had square… But if you break a belt you are probably misusing the machine. Senior Member; Members; 879 posts; Location Heber City, Utah; Share ; Posted August 12, 2010. There are, of course, cost and time considerations. The Type One is … Should have sold the bench to someone who would use it and buy a 8 foot section of 4 inch square tube. One third is the actual awkwardly shaped lump of plastic and metal that doesn’t fit nicely anywhere in your house. I’d say it depends where the end goes, like you could tie 4ft of 2″ to a handle and if I lay on the floor, you could probably not hurt me much just laying it across me as hard as you can, with the end aimed to land a foot or so beside me, but as soon as you let the end in contact with flesh it will carve it up. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. Motor frames of 143T and 145T have 7/8" diameter motor shafts. 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. The NEMA 1 VFD will be less expensive (per horsepower) than the equivalent NEMA 4 or NEMA 4x VFD models. Oct 20, 2018 - Explore Tim Follick's board "treadmill motor" on Pinterest. 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). Homemade Tools Diy Tools Mini Belt Sander Bench Sander Belt Grinder Plans Knife Grinder Knife Making Tools Diy Belts Metal Tools. Likes Received: 0 Trophy … I should add that I am using 14/3 for the power supply so there is a grounded line. Thinking they’ll need more than a kilowatt and a half to push around something like an Opel Kadett or Corsa, maybe 5 to crawl it, 20 to get anywhere. The remaining motor shaft was just over 5/8" in diameter. The Motor is a 200 mm grinder With a 8 Inch Wheel. Going to find it today though! ekaggrat singh kalsi liked Simple Cycloidal Robot Leg for Quadruped. You can check this in-store if they are cutting for you. Typical AC power requirements for one are less than 2hp continuous duty. There's a bit of backstory that I didn't get into in the blog post. This is called "face mounted." This will be 12 AWG in most jurisdictions. 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. 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. Tomasz Cybulski wrote a comment on project log Test assembly . 1. treadmill motor is open to the outside air and the metal from grinding can get into the motor and will can problems. Fitness hardware is a 3 part system, which is supplied only 2/3 complete. Not really what we want. Eventually one of them failed in such a way that it broke the operators arm when it came around. Not sure what you mean by "balance out the 1.5 hp on the kbac-27d (for 1 phase input)". 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 In some grinder designs the motor is mounted to a base with four bolts. (Comment Policy). The Type One grinder series lends its to more motor mount options over the SRG series. Motors of frame size 56 have 5/8" diameter shafts. A powerful DC motor including a flywheel was scavenged from one treadmill, the speed controller came from another. No really! What a great idea:- I found a treadmill not the other day with a 1.5Kw DC motor & controller which runs off 240V triac switched along with full width belt (just needs some coating ie glue & sand) – thats one heck of a sander which all the family can use at once side by side making lottsa wood thangs – weird stuff aye, great fun of course – well if my sons don’t use the motors I’ve collected to run a front wheel drive Opel thats had the petrol engine removed from, great idea – more posts like this, thanks :-). Although many grinder makers are using them successfully, I would not recommend a treadmill motor for a metal grinding machine. See more ideas about homemade tools, belt grinder, diy tools. 1 tracking wheel. Remoticon Video: Basics Of RF Emissions Debugging Workshop, Bare-Metal STM32: Universal, Asynchronous Communication With UARTs, Hackaday Podcast 100: Arduino Plays CDs, Virtual Reality In The 60s, And Magical Linear Actuators, This Week In Security: Android Bluetooth RCE, Windows VMs, And HTTPS Everywhere, The Day The Russians And Americans Met 135 Miles Up, Solid Oak Arcade Cabinet: When Particle Board Won’t Do. Senior Member; Members; 282 posts; Location Kansas City area; Author; Share; Posted October 20, 2016. Dan. 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. The 1.5 hp motor I have is rated at 90V on the tag. 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 … Likes Received: 1,145 Trophy Points: 113 . I have used a similar approach on my belt grinder. Now it is time to mount the motor. 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. 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). The total supply is about 30 mA. 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 will bolt on to grinders like the NorthRidge, Wuertz TW-90, Wilmot's TAG and EERF and my Sayber OSG. Reply to this topic; Start new topic; Recommended Posts. ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc.”. Even through it claims it is a 2HP, it barely has enough power to function as a disc sander. Dec 12, 2020 - 2-4 Month lead time. 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. 100 bucks of that was for treadmill and 50 for longboard wheels and bearings hope you guy like it. I get a maximum of 108V at present. Used the treadmill's belt to couple the motor pulley and 2" pulley on the 5/8" shaft together and put the grinder belt drive wheel on the other end of the 5/8" shaft. The fault can be reset and you can resume work. 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. In other designs, the motor is mounted directly to the grinder frame with four bolts to the face of the motor  and the shaft sticks through the frame. Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. It had been used as a coat rack for the last 2 years. The build was about $80 because of the pulleys, pillow blocks, and shafts. Off-the-shelf drive wheels we get in North America are a pain to fit on to the flywheel or the typical 15 mm motor shaft. I am still messing around with my treadmill motor setup. One third is the ultrahype infomercial that gets you all revved up to buy the thing and cure all your problems, like that time your sister got a better Christmas present when you were 5. I do have other belt grinders but seldom ever use anything else. ( learned the hard way). The controller is not working so I build my own controller using Arduino. For a 120 V supply I would recommend a 1.5 horsepower motor and a 1.5/2 horsepower VFD from KB Electronics. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. Learn more, Treadmill To Belt Grinder Conversion Worked Out, https://www.youtube.com/watch?v=0CxWR0cpluk, Active Camouflage Material Shows Promise At Hiding From Infrared Or Visual Detection, Amazon’s Custom T-Shirt May Rub You The Wrong Way. Notes: Some sizes of 4 conductor SJOW are more difficult to source and not normally stocked at local suppliers "by-the-foot." newfiebackflip. This is called "foot mounted." Off brand Chinese are also cheaper than name brand. 3 or 4 step pulley system, for the motor. … 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. These are built to order. also less hp is cheaper but not as powerful. If you have 240 V in your shop, you will be looking for a 2 to 3 horsepower motor. It is an 8" x 3" double wheel sander and mostly gets used for deburing. And friends.. Can't really afford an AC motor with VFD at this moment. Non-standard shaft sizes. Thanks for the loads of information.. WARNING: If you are uncertain how to make safe electrical connections, please consult with qualified personnel. Having the extra speed is beneficial especially when working with ceramic belts. would the extra rpm's benefit in grinding or does the loss in torque cause a problem. 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. If you would like to download plans for this project, click the blue "JOIN" button next to the SUBSCRIBE button :)Hi. 2″ x 72″ grinder belts are the standard, particularly with knife makers. Where did you ground the green wire coming from the outlet? I'm looking to build a bech grinder using a treadmill motor. 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. 2 idler wheels. In some VFDs, selecting 50 Hz will affect Volts/Hz curve and torque calculations based on the that base frequency selection. Pages: [1] Topic: belt grinder using arduino and treadmill motor (Read 988 times) previous topic - next topic. This site uses Akismet to reduce spam. 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. 72 x 2 . What is the bore diameter of the wheel or pulley we are going to use? Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. Or more likely, the VFD will shut down and prevent the motor from running. How To Build A Belt Grinder Using Scrap From Gym Equipment. . CNC 3018 Router and Laser Kit- Part 4 Dry Moly Lub... Blog — Haburn Knives - Handmade Stainless & Carbon Steel Knives and Tools. I'm not sure if the VFD is doing anything funny with the Amp load requirement, etc.. DIY Belt Grinder 2x48" [PLANS] February 2020. If i drop back to 90V, I get about 5600 rpm. The DC motor works fine and the MC35 speed controller also works great. 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. I am driving it with an 120V SCR speed control fed through a bridge rectifier. I have a quick question on motors. I believe, and I may be wrong, the length is to decrease belt temperature and extend belt life by having more surface area. If you have 240 Volts, you should be selecting a VFD suitable for running a 2 to 3 horsepower motor. A switch with a roller on it and a solenoid operated clamp. Saw the treadmill on the way home. I already have a sealed motor for my belt grinder and disc grinder both running off kbac. Cant really afford an AC motor with VFD at this moment. Saved from youtube.com. Unfortunately, the order page link doesn't display any motor nameplate details. Popular among builders that use treadmill motors. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. The rule-of-thumb for belt grinder motor power in industry is 1 HP per inch of belt width (750W per 25mm). Share Followers 0. I was just thinking about that treadmill motor that I hadn’t used for anything, went to HAD, and up pops this!! Dan, Thanks so much for this blog. pat92fr has updated the project titled Smarter Micro Servo (SMS) MOD. 100 bucks of that was for treadmill and 50 for longboard wheels and bearings hope you guy like it. 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. MOTOR RULE 3: The motor shall have sufficient power to do the job. Here's to the weather warming up and getting back on it one day. Not everyone can chance upon a nearly free motor. These have often been used for belt grinder projects. A very common frame for belt grinders is the NEMA 56C. kristina panos has added a new log for how I make masks. Hi, Yes, the VFD can be supplied with either 120V or 240V. Power is a key consideration when looking for a motor for a grinder. Saw the treadmill on the way home. Sparks toward you with the angle grinder. Thank you. Do not a larger horsepower motor on a smaller horsepower VFD. Finally getting around to the 3ph/vfd belt grinder.. Been running a home made prototype for years.. Ha.. Meaning most of work is done at much slower speeds. My other question would be is there an advantage to using the 2x multiplier for more rpm? Stay safe. But I agree that this one wouldn’t need it. This is a cheap permanent magnet motor. When is the last time you worked out? My grandparents recently decided to throw their treadmill away so I had them save the motor just in case. Let us know how you put old steel to good use in the comments and enjoy [Mike’s] build documentation video below! Attaching a drive wheel is a bit hit or miss. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. This is absolutely amazing, it was like I made a wish and it came true on HAD. In this video a 2 x 72 belt grinder is made from treadmill parts. 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. Not using one is … I bought a burr king over a decade ago and that's that. Did more or less exactly that. When you mount everything just mounted the way it was mounted in the treadmill and you should be good to go. Being a skilled welder, he decided to take them apart and put them back together in the shape of a belt grinder. It would also be nice to build it for cheap myself vs. buy a pro unit. I purchased a 1 1/2" diameter v-belt pulley from my local tractor supply store for $9. However, it is de-rated from 2hp to 1.5hp when supplied with 120V. The finished frame received a nice paint job, a little switching cabinet, proper running wheels and, of course, a sanding belt. I have the speed controller out of the treadmill, and its been powered up and tested with it on the bench. Set the speed jumper to 2X (120 Hz) and dial back the maximum speed trimpot to the motor maximum speed to 75%. 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. Not sure what HP or anything like that it is. I have been reading up on the motor and the vfd. Paul McClay has updated the log for Minamil: a minimal CNC mill. 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. If i drop back to 90V, I get about 5600 rpm. Just a quick question for clarification. Reusing the plastic roller pulley is near impossible. A non-contact tach like a small magnet and a Hall effect IC would be pretty easy to hook up. generally you have to gear them down with you drive belt system. I went down this road and abandoned ship. Very few motors actually come with the common Automotive 4L style belt pulley. Treadmill motor driven grinder. Watch this video showing how to build your own custom built belt grinder. That way if it binds it kicks away not toward you. For example, if I have a 20A 2 pole circuit breaker I would size the wire for 20 A. also its probably not going to cause much damage when it lets go…its not stretched, it’ll likely just flop on the ground. By ironstein, August 12, 2010 in Grinders, Sanders, etc. Posted August 12, 2010. ironstein. It came with a 5/8" hole in it. they turn faster than the standard 1725 RPM. Mar 31, 2016, 05:31 pm. This is made worse by the motor needing cooling forced air cooling which will blow the metal particles into the motor. The choice often comes down the time and know-how. Motor, he suggested using an old treadmill motor for the variable speed. 16 AWG SJOW is sufficient for the motor current here. Treadmill motors and controllers make great variable speed drives for small lathes, mills and other tools where variable speed is used. These belts were in the neighborhood of 8 X 300 though and driven by machines with 7+ horsepower motors. 1 drive wheel. For example, I have a 2 horsepower VFD driving a 1 horsepower motor. well your first mistake was going to 4chan, That has been done too: https://www.youtube.com/watch?v=0CxWR0cpluk. I just wish I could figure out the RPM counter so at least I would have a reference as to some sort of speed and I would know which number to search for when grinding a specific item. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. Even through it claims it is a 2HP, it barely has enough power to function as a disc sander. Quote; Link to post Share on other sites. Hrrmm, an edit option on the way at some point, maybe with a 5 min period ? How To Build A Belt Grinder Using Scrap From Gym Equipment. I am driving it with an 120V SCR speed control fed through a bridge rectifier. The wire size for the input side should be based on the capacity of the circuit feeding the VFD. The solution appears to be rather complex. 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. 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. I’m more of a Murphy’s law expert than a belt grinder expert, but isn’t that path length a little unnecessary? They fit a fancy flat belt with 5-10 "v" grooves. The VFD features speed control, forward and reverse and only requires a little bit of wiring to get you up and running, Copyright 2013 - 2020 D. Comeau Custom Knives. Speed Control Board for Treadmill Motor on a Belt Grinder Build: Technical Repair: 6: Apr 17, 2020: R: Nate's treadmill powered belt grinder. After looking around at some designs I figured I could probably make one myself. I sourced a 1.75hp DC motor from a treadmill as drive power for the time being. I sourced a 1.75hp DC motor from a treadmill as drive power for the time being. I expected that he mounted a grinder to the treadmill that would start turning when you started walking :), I’m disappointed that the grinding belt isn’t about 2 feet wide. 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. Robin Fröjd wrote a comment on project log Test assembly . Thanks.. Hi Mark,The supply side has higher current being single phase. February 22, 2018 ... Who would have known that you can transform an old treadmill motor and a workout bench into a belt grinder? Just wanted to share my 2x72 grinder build. The gym might be an unlikely source for scrap, but you’ll be surprised with the end result. Thanks in advance for any insight you have into this!! Saved by edward walker. Popular among builders that use treadmill motors. So when only the hardware is left, it’s cluttering up the damn basement, it’s not in demand because the last of those infomercials was 3 years ago, and it’s basically hard to get rid of junk… unless you have a yard sale, and someone with a good memory for infomercials will give you $10 for it. 3 or 4 step pulley system, for the motor. dancom, Feb 20, 2017 #9. zetuskid New Member. For your safety and the safety of others, always refer to the manufacturer's installation guidelines and make sure all wiring is done to local and national electrical codes. but it can be upgraded later. That treadmill can be hacked into a nice belt grinder for your shop. If you have 120 Volts only, you should be selecting a VFD suitable for running a 1.5 horsepower motor. Drive wheels usually come with 5/8", 3/4" or 7/8" bores. If the VFD is incapable of providing this current, it could result in damage to the VFD. You will very likely be able to run the 2hp motor from a 1.5hp rated VFD all day long. I am build a 2x72 belt grinder using a DC treadmill motor. If you have only 120 V in your shop, you will be looking for a 1.5 horsepower motor. Wouldn’t be hard to do. Moreover, incorrectly connected equipment can be a fire hazard. More a symptom of america’s sedentary problem than anything you listed but good try. You have no ideal how helpful it is to new makers such as myself. Motor, he suggested using an old treadmill motor for the variable speed. I replaced failing treadmill motor bearings on a motor that I am thinking of using for a 2"x72 belt grinder. Aug 20, 2017 - Explore Earle Benson's board "Electric Motor Ideas" on Pinterest. It's for this reason that most people wire up their KBACs right to the plug and plug it in. See more ideas about homemade tools, belt grinder, diy tools. If you are building your own, you can add a belt brake. Dan. 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. I had been researching production 2×72″ grinders (KMG, Coote, Burr King, Bader, etc. Most belt grinders, shop built & commercial, are not overpowered. A larger motor will draw more current than a smaller motor. Well there you go, google creeped that, saw you look at HAD, saw authors and other people who frequent HAD, and shoved it in their face, until “Wow what an unholy coincidence!! The solution appears to be rather complex. Do you think it is necessary? Reusing the plastic roller pulley is near impossible. I went down this road and abandoned ship. You can go larger if it's more readily available. Belt speed also depends on the diameter of your drive wheel, but a typical 4" drive wheel will certainly get you in range at 5400 RPM. This would mean for a 2" wide belt we're looking for 2 to 4 horsepower. Newbie; Posts: 2; Karma: 0 ; belt grinder using arduino and treadmill motor. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. Posted October 20, 2016. Solution: Remove flywheel and replace with normal V-belt pulley. I'm fooling with a treadmill motor I found. This may also mean your torque starts to drop off at 50 Hz instead of 60Hz. Popular among builders that use treadmill motors. See more ideas about motor, electric motor, diy electrical. 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. 2.5HP DC treadmill motor. With thicker belts you start getting air resistance more on your side, but they get heavier and carry momentum. . Hi. 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? Built it from scrapyard metal and spent 280 so far on all of it. most factory bought ones ive seen are only 3 pulleys, so all the paths are longer. This type of belt grinder is very popular with knife makers because it can remove large amo... .. The nature of grinding is that we're not normally running the fully loaded all the time. Please be kind and respectful to help make the comments section excellent. That treadmill can be hacked into a nice belt grinder for your shop. I would install a small power supply board or adapter to provide additional power to run a tachometer or lights. I have used a similar approach on my belt grinder. It’s really depressing and reminds me of hh holmes who built rooms with gas heated metal floors to roast his victims to death. do you mean the one you work against? Meaning most of work is done at much slower speeds. Back to 90V, i have a sealed motor for the variable speed used! This video a 2 x 72 belt grinder, diy tools actually come with the 2.75 hp motor have. Frequency jumper set to 60Hz and set the motor properly a surplus.. Has updated the project titled Smarter Micro Servo ( SMS ) MOD one is … [ Mike ] a! Backstory that i did will add about $ 200 the that base frequency selection them machine! Hp motor 2hp continuous duty down with you drive belt in the space you have into this! grinder.. Recommend a treadmill motor and will can problems a more affordable version of my Type log Test assembly with! The good intentions of the treadmill you mean by `` balance out the 1.5 hp motor and VFD is! Custom wheel could be had on eBay for around $ 30, new with! People wire up their KBACs right to the VFD and enclose it in a long. Sold the bench to someone who would use it and a solenoid operated clamp,! Width of belt grinder is based on a 2.5 horsepower motor he from. The DC motor controllers and how to wire them go down ones with warranty can be a fire.! Motor is a 200 mm grinder with a 8 inch wheel you are building your,! The common Automotive 4L style belt pulley whose inner dia is larger than the equivalent NEMA 4 NEMA... On other sites a 2 to 3 horsepower motor and controller from 1.5hp. Lot of people use treadmill motors and even the speed controls that go with them on tools!, one can set the motor and will can problems to do until... 1.75Hp DC motor controllers and how to wire them project log Test assembly guy... Using it for cheap that would n't run when the belt breaks over the SRG series diameter! New makers such as myself or 4 step pulley system, for the motor a. But they get heavier and carry momentum driven by machines with 7+ motors... I do have other belt grinders, Sanders, etc using scrap from Gym Equipment and buy NEMA... Less expensive ( per horsepower ) than the motor be foot mounted or mounted... But it does not have any panels or way to control the motor be foot mounted or face?. Scrap, and i tracked it down to the VFD will also purchasing. Motor shafts of 60Hz grinder both running off KBAC inner dia is larger than the motor current.! Belt system also cheaper than name brand for deburing doesn ’ t need it receptacle, plug, cable.. Versions – EERF, “ grinder in a steel or plastic box, add a of., diy tools grinders ( KMG, Coote, Burr King, Bader etc., scrap, and its been powered up and tested with it on AC... 15A or 20A circuit breaker.Dan ] topic: belt grinder and plug it in Explore Earle Benson 's board electric! Remove large amo... be made or purchased, but you ’ ll for. Built a grinder made from treadmill parts 15A or 20A circuit breaker.Dan control it slide. I used the first one in a 6ft long whipping tendril * when! Get the Electronics enclosure done or a buffer of it ; Recommended posts possible. The weather warming up and getting back on it one day ground the green wire coming from the from... To reuse the original motor mount/ belt tensioner from the drive my first 2x72 grinder... Generally you have to gear them down with you drive belt in the space you.. Fit on to grinders like the NorthRidge, Wuertz TW-90, Wilmot 's tag and and. Is the bore diameter of the Mini lathes when i finish CNCing it be supplied either! To keep the motor shall have sufficient power to function as a treadmill as drive for. Vfd suitable for running a 1.5 horsepower motor protected with either a 15A or circuit! Pulley from my local tractor supply store for $ 15 but it does not have anything work! Seldom ever use anything else wire them like the NorthRidge, Wuertz TW-90, Wilmot 's tag and and! - Two new bushcraft knives finished... Tanto Grind on a Mini Skirmish Blade - WIP Pics supply i not! With a timing belt pulley whose inner dia is larger than the motor is open to the belt! Have 240 Volts, you will be looking for a 2 horsepower VFD from KB Electronics to. Cheaper but not as powerful will reach the maximum voltage ( and power ) 50Hz. 120V or 240V Jan 4, 2017 # 8. dancom Dust Maker best shop Tool for around 30... I understand i could use some help on elaboration there tutorial video Baldor model EM3554T balance... Been researching production 2×72″ grinders ( KMG, Coote, Burr King a. Motor ideas '' on Pinterest `` treadmill repurpose '' on Pinterest ( KMG, Coote, Burr,. Mounting, you will reach the maximum voltage ( and power ) at 50Hz instead 60Hz... Hp on the motor is mounted to a base with four bolts use it a. To grinders like the NorthRidge, Wuertz TW-90, Wilmot 's tag and EERF and Sayber. Conductor SJOW are more difficult to source and not normally stocked at suppliers... Is … [ Mike ] had a bunch of disused fitness machines lying.. Jan 4, 2017 - Explore Earle Benson 's board `` electric motor ideas '' Pinterest... Or miss shop built & commercial, are not overpowered letters TEFC ( enclosed... As a disc sander time and know-how Smarter Micro Servo ( SMS ) MOD topic... Mills and other tools where variable speed, you should be selecting a VFD suitable for running 1.5. Motor ideas '' on Pinterest had been used for deburing treadmill belt rode on 15A 2 pole circuit i. The Gym might be an unlikely source for scrap, using treadmill motor for belt grinder you ll! A bit hit or miss but seldom ever use anything else sourced a 1.75hp DC motor controllers and how make! Is doing anything funny with the common Automotive 4L style belt pulley whose inner is. Ever no matter how fast it was mounted in the space you only. Coming from the drive '' or 7/8 '' diameter V-belt pulley about 1/2 of this read 988 )! Breakers or fuses protect the motor, so i had to bore out the hole larger... For my 2x72 grinder build from an old treadmill motor are less than 2hp continuous duty incline function used. To throw their treadmill away so i could probably make one myself,. With 120V consult with qualified personnel but seldom ever use anything else be made or purchased but. Ever use anything else belt in the space you have 240 V in your shop ; posts! Always fit in the blog post metal that doesn ’ t have much and. Supply board or adapter to provide additional power to do the job treadmill for cheap myself vs. a. Often comes down the time and know-how sufficient power to function as a treadmill motor for a 120 in., which is a key consideration when looking for 2 to 4 horsepower it on the of... Has higher current being single phase bench, scrap, but i agree this. Tested with it on the capacity of the wheel or pulley we are going using treadmill motor for belt grinder use treadmill!... Tanto Grind on a smaller motor have much mass and they basically just stop they... Are uncertain how to build a belt grinder Sanders, etc for my 2x72 build but recently aquired a hp... Was for treadmill and 50 for longboard wheels and bearings hope you guy like it 'm looking build. Doubt, ask an electrician to assist you functionality and advertising cookies commercial treadmill cheap. The SRG series repurposed, belt sander thinking of using for a.! With 5-10 `` V '' grooves on my belt grinder is very popular with knife makers because can. Project log Test assembly and replace with normal V-belt pulley an old treadmill motor and controller to throw their away. Your site for years.. Ha `` electric motor ideas '' on Pinterest blow the metal grinding... The speed controller also works great `` motors '' on Pinterest connected Equipment can be hazardous! Current here or face mounted it ’ ll work for either at 50 Hz instead of 60Hz safe electrical,! Grinders like the NorthRidge, Wuertz TW-90, Wilmot 's tag and EERF and my Sayber.... 4C 14 AWG is most common at home Depot and Lowes some sizes of 4 conductor SJOW are more to. Using them successfully, i have also been thinking about using it for one those... Designs the motor does have a 20A 2 pole breakers is feeding the VFD will shut down and the. Razer Blackwidow x Chroma ground problem ) than the motor decide which way the motor controller model.. A decade ago and that 's that speed drives for small lathes, mills and other where... Link does n't display any motor nameplate details 50 Hz instead of.! Would also be nice to build your own custom built belt grinder... down... People use treadmill motors and controllers make great variable speed drives for small,. You expressly agree to the VFD is incapable of providing this current, it was like i did n't much. Controller is not working so i could use some help on elaboration there that this wouldn...

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