Hrrmm, an edit option on the way at some point, maybe with a 5 min period ? Image source: mikemanmade. 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. Motor, the size, brand, and the ability to find one used. Are you supplying the KBAC with 115V or 230V? The Type One is a more affordable version of my Type. When in doubt, ask an electrician to assist you. 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. 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. Just go 25% easy on it. After looking around at some designs I figured I could probably make one myself. belt grinder using arduino and treadmill motor. (Comment Policy). Not sure what you mean by "balance out the 1.5 hp on the kbac-27d (for 1 phase input)". 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. Oct 20, 2018 - Explore Tim Follick's board "treadmill motor" on Pinterest. Hi, Yes, the VFD can be supplied with either 120V or 240V. I have been reading up on the motor and the vfd. newfiebackflip. I went down this road and abandoned ship. The NEMA 1 VFD will also require purchasing and installing additional items as mentioned. It’s really depressing and reminds me of hh holmes who built rooms with gas heated metal floors to roast his victims to death. ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc. I’m more of a Murphy’s law expert than a belt grinder expert, but isn’t that path length a little unnecessary? Eventually one of them failed in such a way that it broke the operators arm when it came around. I can ship these sooner if needed but the price will increase. 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. On one flange I bolted one side of a 4" heavy duty door hinge. 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. The controller is not working so I build my own controller using Arduino. Likes Received: 0 Trophy … 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. 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. Tomasz Cybulski wrote a comment on project log Test assembly . This video is my 2x72 belt grinder build from an old workout bench, scrap, and a treadmill motor and parts. Let us know how you put old steel to good use in the comments and enjoy [Mike’s] build documentation video below! that would be awesome! The fault can be reset and you can resume work. Buy a NEMA 1 VFD and enclose it in a steel or plastic box, add a fan and an air filter. No RPM is given. Now it is time to mount the motor. A very common frame for belt grinders is the NEMA 56C. Hope this helps a little anyway. 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. also less hp is cheaper but not as powerful. This motor needs 130 VDC to run, which is a bit of a challenge to generate. We finally got rid of a stair machine. Although many grinder makers are using them successfully, I would not recommend a treadmill motor for a metal grinding machine. 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. 51 Papy . Every thing from mills to lathes. The guys that make the wheels consider these sizes common and offer wheels to match. 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. I can ship these sooner if needed but the price will increase. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. The NEMA 1 VFD will be less expensive (per horsepower) than the equivalent NEMA 4 or NEMA 4x VFD models. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. I had access to our scrap bin at work that often had square… 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). 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.. Being a skilled welder, he decided to take them apart and put them back together in the shape of a belt grinder. Larger motors are more difficult to get wheels for. Thanks for some great tutorials. I'm fooling with a treadmill motor I found. Of course a custom wheel could be made or purchased, but this will come at added time or cost. 1 drive wheel. DIY Belt Grinder 2x48" [PLANS] February 2020. Simple theme. If 230V supply, I would recommend that you leave the frequency jumper set to 60Hz and set the horsepower jumper to 2 HP. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. If you have 120 Volts only, you should be selecting a VFD suitable for running a 1.5 horsepower motor. A 1800 RPM motor and a 7" or 8" drive wheel. It would also be nice to build it for cheap myself vs. buy a pro unit. You have no ideal how helpful it is to new makers such as myself. Do you think it is necessary? [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. 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 had been used as a coat rack for the last 2 years. . 3HP ought to be enough. If you have 240 Volts, you should be selecting a VFD suitable for running a 2 to 3 horsepower motor. … Going to find it today though! Very few motors actually come with the common Automotive 4L style belt pulley. I bought a used treadmill motor and controller from a surplus distributor. In some VFDs, selecting 50 Hz will affect Volts/Hz curve and torque calculations based on the that base frequency selection. Where did you ground the green wire coming from the outlet? The gym might be an unlikely source for scrap, but you’ll be surprised with the end result. Should have sold the bench to someone who would use it and buy a 8 foot section of 4 inch square tube. If you are building your own, you can add a belt brake. Depending on the controller, the venerable MC-60 model is the favorite, it is easily set up with a linear taper 5k ohm variable resistor and a double pole double throw toggle switch to add reversing capability. He didn't give much information as to this, so I could use some help on elaboration there. All of it, that results in a 6ft long whipping tendril **OF DOOM** when the belt breaks. The Motor is a 200 mm grinder With a 8 Inch Wheel. 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 will bolt on to grinders like the NorthRidge, Wuertz TW-90, Wilmot's TAG and EERF and my Sayber OSG. The Type One is … It's for this reason that most people wire up their KBACs right to the plug and plug it in. Dan, Thanks so much for this blog. I could use some information from someone who really knows DC motors. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. I have also been thinking about using it for one of the mini lathes when I finish CNCing it. No really! Dec 12, 2020 - 2-4 Month lead time. But I agree that this one wouldn’t need it. That treadmill can be hacked into a nice belt grinder for your shop. If the VFD is incapable of providing this current, it could result in damage to the VFD. The belts don’t have much mass and they basically just stop when they break. Senior Member; Members; 879 posts; Location Heber City, Utah; Share ; Posted August 12, 2010. I purchased a 1 1/2" diameter v-belt pulley from my local tractor supply store for $9. Meaning most of work is done at much slower speeds. Did more or less exactly that. I had been researching production 2×72″ grinders (KMG, Coote, Burr King, Bader, etc. 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. Used MC-60 controllers could be had on eBay for around $30, new ones with warranty can be purchased on Amazon. Not using one is … Not heavy use like a knife grinder. Feb 9, 2017 - Explore Craig "Ox" Ochsner's board "Treadmill repurpose" on Pinterest. Motors of frame size 56 have 5/8" diameter shafts. Open motors are a bad choice for a belt grinder. Dan. Size the electric supply to the VFD and size the motor to the VFD. This gives me a motor speed of 6700 rpm. It is an 8" x 3" double wheel sander and mostly gets used for deburing. ironstein. See more ideas about Motor, Treadmill, South bend lathe. which part of the path? The solution appears to be rather complex. It's suggests installing a fuse in the AC line. In other words you will reach the maximum voltage (and power) at 50Hz instead of 60Hz. Treadmills use DC motors. No RPM is given. And that’s what the author will show you in this DIY tutorial video. Motor, he suggested using an old treadmill motor for the variable speed. The 1.5 hp motor I have is rated at 90V on the tag. 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. My other question would be is there an advantage to using the 2x multiplier for more rpm? 100 bucks of that was for treadmill and 50 for longboard wheels and bearings hope you guy like it. It is 4 pole 1760 RPM 4.14/2.07 amp. I already have a sealed motor for my belt grinder and disc grinder both running off kbac. 1 tracking wheel. I had to bore out the hole slightly larger to slide onto motor shaft properly. Speed Control, using a speed control like I did will add about $200. Having the extra speed is beneficial especially when working with ceramic belts. Popular among builders that use treadmill motors. When is the last time you worked out? Treadmill motor driven grinder. treadmill motor belt grinder build. I used and electric angle grinder to cut the threaded portion of the motor shaft, ( a hacksaw could have been used instead). Even through it claims it is a 2HP, it barely has enough power to function as a disc sander. A free bench would be cheaper though. This site uses Akismet to reduce spam. 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. He didn't give much information as to this, so I could use some help on elaboration there. 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. See more ideas about treadmill, repurposed, belt sander. 2. Please be kind and respectful to help make the comments section excellent. 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 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. 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 replaced failing treadmill motor bearings on a motor that I am thinking of using for a 2"x72 belt grinder. 1.jpg. But no one explains how to set that all up. I have been on your site for years off and on.. The DC motor works fine and the MC35 speed controller also works great. Not really what we want. I have used a similar approach on my belt grinder. So I did some research and found that the motor controller was called an MC-60 and quite common. 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. if you kept it as a treadmill also, it would encourage you to not fall down ever no matter how fast it was! !” an article was made. My grandparents recently decided to throw their treadmill away so I had them save the motor just in case. Power is a key consideration when looking for a motor for a grinder. If I made one today, I doubt it would look as good as yours. See more ideas about homemade tools, belt grinder, diy tools. Not sure what HP or anything like that it is. Motor frames of 143T and 145T have 7/8" diameter motor shafts. ), and DIY versions – EERF, “grinder in a box”, “no weld grinder”, etc.”. 1. treadmill motor is open to the outside air and the metal from grinding can get into the motor and will can problems. What is the bore diameter of the wheel or pulley we are going to use? oh! I bought a burr king over a decade ago and that's that. A lot of people use treadmill motors and even the speed controls that go with them on machine tools. I purchased the KBAC-27D. A powerful DC motor including a flywheel was scavenged from one treadmill, the speed controller came from another. 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. For example, if I have a 20A 2 pole circuit breaker I would size the wire for 20 A. Most treadmill motor flywheels serve also as the pulley. 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. Not a problem. In this video a 2 x 72 belt grinder is made from treadmill parts. The build was about $80 because of the pulleys, pillow blocks, and shafts. 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? 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.. Working on live electric circuits can be extremely hazardous. There's a bit of backstory that I didn't get into in the blog post. It is an 8" x 3" double wheel sander and mostly gets used for deburing. Hope this helps,Dan. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. … and that creates the remaining third… the good intentions of the purchaser to actually use it. generally you have to gear them down with you drive belt system. However, it is de-rated from 2hp to 1.5hp when supplied with 120V. Using the simplistic stacked tubing design with vertical compression belt adjuster. Apparently, disused fitness devices make an ideal framework to build your own tools: Strong metal frames, plentiful adjustment guides, and strong treadmill motors. You will need to add a filter of some sort to keep the motor clean. Stay safe. Robin Fröjd wrote a comment on project log Test assembly . :P, Right, so you can resurface your dining table by holding it by the legs and going back and forth a couple of times. I have read in other forums NOT to ground to the aluminum speed controller chassis (for MC60 unit). 2.5HP DC treadmill motor. Posted October 20, 2016. Joan liked Reflowduino - Wireless Reflow Controller Ecosystem. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. I am build a 2x72 belt grinder using a DC treadmill motor. Quote; Link to post Share on other sites. Meaning most of work is done at much slower speeds. Thinking either a disk grinder for sheaths away from the metal grinding room or a buffer of it’ll work for either? Dec 27, 2020 - Explore Bob Hall's board "Motors" on Pinterest. WARNING: If you are uncertain how to make safe electrical connections, please consult with qualified personnel. How To Build A Belt Grinder Using Scrap From Gym Equipment. Saw the treadmill on the way home. Newbie; Posts: 2; Karma: 0 ; belt grinder using arduino and treadmill motor. I am still messing around with my treadmill motor setup. . Reusing the plastic roller pulley is near impossible. but it can be upgraded later. The motor does have a mounting bracket attached to it, The bracket has 2 flanges with 2 holes in each. I believe, and I may be wrong, the length is to decrease belt temperature and extend belt life by having more surface area. I run it with a timing belt pulley whose inner dia is larger than the motor shaft. 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 Sealed or enclosed motors are best suited to this environment. Within the VFD, one can set the motor parameters to "tell" the VFD how to protect the motor. See more ideas about homemade tools, belt grinder, diy tools. Unfortunately, the order page link doesn't display any motor nameplate details. If i drop back to 90V, I get about 5600 rpm. You should have a circuit breaker in your load centre (breaker panel) that protects the devices in the circuit that supplies the VFD. Homemade Tools Diy Tools Mini Belt Sander Bench Sander Belt Grinder Plans Knife Grinder Knife Making Tools Diy Belts Metal Tools. Just wanted to share my 2x72 grinder build. Not heavy use like a knife grinder. 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. Dec 12, 2020 - 2-4 Month lead time. 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. ( learned the hard way). I set a parameter or flick a switch and VFD the is now able to control and protect the motor properly. kristina panos has added a new log for how I make masks. [Mike] won’t miss the workout bench: Once you’re welding a piece of steel tube dead-center on a flywheel, as happened for the grinder’s drive wheel, you may call yourself a man (or woman) of steel. This is absolutely amazing, it was like I made a wish and it came true on HAD. It's my second. Just a quick question for clarification. I am using 1-phase input with it set to 60Hz the motor is rated for 2 hp on 60Hz and 1.5 hp on 50hz would it be safer to set the 50hz jumper and 1.5 HP jumper to balance out the 1.5 hp on the kbac-27d (for 1 phase input) and the motor at 1.5 hp on 50Hz? 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. Good luck with your project!Dan. … Treadmill motors and controllers make great variable speed drives for small lathes, mills and other tools where variable speed is used. That treadmill can be hacked into a nice belt grinder for your shop. Hi. This type of belt grinder is very popular with knife makers because it can remove large amo... .. In some cases 15A 2 pole breakers is feeding the VFD, then I would use 14 AWG. Fitness hardware is a 3 part system, which is supplied only 2/3 complete. I sourced a 1.75hp DC motor from a treadmill as drive power for the time being. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. The actual plated speed of the motor will depend on the number of poles in the … 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? You can check this in-store if they are cutting for you. This is a cheap permanent magnet motor. What a terrible waste of a perfectly good bench. This motor will mount by foot or face in any popular grinder design. Popular among builders that use treadmill motors. Thanks.. Hi Mark,The supply side has higher current being single phase. Senior Member; Members; 282 posts; Location Kansas City area; Author; Share; Posted October 20, 2016. This would mean for a 2" wide belt we're looking for 2 to 4 horsepower. 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!! 20 is plenty. Non-standard shaft sizes. How To Build A Belt Grinder Using Scrap From Gym Equipment. By ironstein, August 12, 2010 in Grinders, Sanders, etc. My treadmill did not have anything to work with. The choice often comes down the time and know-how. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. The nature of grinding is that we're not normally running the fully loaded all the time. 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. dancom, Feb 20, 2017 #9. zetuskid New Member. I run it with a timing belt pulley whose inner dia is larger than the motor shaft. The rule-of-thumb for belt grinder motor power in industry is 1 HP per inch of belt width (750W per 25mm). In some grinder designs the motor is mounted to a base with four bolts. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. A switch with a roller on it and a solenoid operated clamp. Built it from scrapyard metal and spent 280 so far on all of it. 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. also its probably not going to cause much damage when it lets go…its not stretched, it’ll likely just flop on the ground. 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. Using the simplistic stacked tubing design with vertical compression belt adjuster. Attaching a drive wheel is a bit hit or miss. Looks like a great design to me. This may also mean your torque starts to drop off at 50 Hz instead of 60Hz. Even through it claims it is a 2HP, it barely has enough power to function as a disc sander. And friends.. 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. 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 Share Followers 0. 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 do have other belt grinders but seldom ever use anything else. Thank you. Dan dancom, Jan 4, 2017 #8. dancom Dust Maker Best Shop Tool. Arduino Forum > Using Arduino > Project Guidance > belt grinder ... Go Down. More specifically, how to wire a Treadmill motor and controller. 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 i drop back to 90V, I get about 5600 rpm. Can you take a photo of the nameplate and email it to knives [@] dcknives.com and I should be able to help you? See more ideas about motor, electric motor, diy electrical. I have made a Belt Grinder Motor Guide to help you in selecting a motor. 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. This is made worse by the motor needing cooling forced air cooling which will blow the metal particles into the motor. Or more likely, the VFD will shut down and prevent the motor from running. My Blade Master grinder is now a surface grinder. [Mike] had a bunch of disused fitness machines lying around. I should add that I am using 14/3 for the power supply so there is a grounded line. 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. Moreover, incorrectly connected equipment can be a fire hazard. Sometimes it is possible to reuse the original motor mount/ belt tensioner from the treadmill. 3. More a symptom of america’s sedentary problem than anything you listed but good try. Likes Received: 1,145 Trophy Points: 113 . I went down this road and abandoned ship. I currently use it for a 9" disc sander. The treadmill motor I can get for $15 but it does not have any panels or way to control it. These have often been used for belt grinder projects. 2 idler wheels. The VFD will electronically prevent over-current and protect the motor, so no issues there. 51 Papy. Most belt grinders, shop built & commercial, are not overpowered. Powered by. 12. 3 or 4 step pulley system, for the motor. Typical AC power requirements for one are less than 2hp continuous duty. Pages:  Topic: belt grinder using arduino and treadmill motor (Read 988 times) previous topic - next topic. If you have only 120 V in your shop, you will be looking for a 1.5 horsepower motor. One third is the actual awkwardly shaped lump of plastic and metal that doesn’t fit nicely anywhere in your house. The wire size for the input side should be based on the capacity of the circuit feeding the VFD. 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. I get a maximum of 108V at present. pat92fr has updated the project titled Smarter Micro Servo (SMS) MOD. I'm not sure if the VFD is doing anything funny with the Amp load requirement, etc.. do you mean the one you work against? Sparks toward you with the angle grinder. I currently use it for a 9" disc sander. I know it already had a good amount of side load from the drive belt in the treadmill. 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. The 1.5 hp motor I have is rated at 90V on the tag. And a Flat 3 inches Wide by 5mm thick and 8 Inches long .. All that is missing is the Actual Belt, 2X72 Inches. Aug 20, 2017 - Explore Earle Benson's board "Electric Motor Ideas" on Pinterest. If so, were on the AC line do you suggest installing the fuse? 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. Jarek Przygódzki liked ASCII Weather Station. So i bought a fincor motor controller model 2331a. ekaggrat singh kalsi liked Simple Cycloidal Robot Leg for Quadruped. Solution: Remove flywheel and replace with normal V-belt pulley. These are built to order. well your first mistake was going to 4chan, That has been done too: https://www.youtube.com/watch?v=0CxWR0cpluk. These are built to order. 4C 14 AWG is most common at Home Depot and Lowes. I would install a small power supply board or adapter to provide additional power to run a tachometer or lights. When I bought my treadmill years ago, it squeaked annoyingly, and I tracked it down to the motor. Do not a larger horsepower motor on a smaller horsepower VFD. I am still messing around with my treadmill motor setup. 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. These belts were in the neighborhood of 8 X 300 though and driven by machines with 7+ horsepower motors. It may not accelerate worth shit, but a regular small car doesn’t need much more than that to cruise at motorway speeds. Will the motor be foot mounted or face mounted? Posted August 12, 2010. ironstein. Mike, I haven't built a grinder in a lot of years now. 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. 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. Motor, he suggested using an old treadmill motor for the variable speed. Drive wheels usually come with 5/8", 3/4" or 7/8" bores. There are, of course, cost and time considerations. As for mounting, you need to decide which way the motor is going to be mounted. Watch this video showing how to build your own custom built belt grinder. A non-contact tach like a small magnet and a Hall effect IC would be pretty easy to hook up. :-D. Used to have one at work that was 22″. Aug 20, 2017 - Explore Earle Benson's board "Electric Motor Ideas" on Pinterest. Tubing design with vertical compression belt adjuster that treadmill can be purchased on Amazon also require and! The power supply so there is a 2hp, it was mounted in the of! Amp load requirement, etc years.. Ha hacked into a nice belt grinder,... Hi Mark, the circuit feeding the VFD can be supplied with 120V capacity of the purchaser to actually it! At some point, maybe with a 5 min period motors of frame 56... To `` tell '' the VFD and size the electric supply to power a large motor and strain need. Is incapable of providing this current, it squeaked annoyingly, and shafts,. The belts don ’ t tried it yet well your first mistake was going to be protected with 120V! A coat rack for the time using treadmill motor for belt grinder know-how on live electric circuits can be into... Know it already had a bunch of disused fitness machines lying around ''... Be mounted old workout bench, scrap, and diy versions – EERF, “ grinder in a box,! A mounting bracket attached to it, that results in a belt grinder, diy electrical anything funny the. Bit of backstory that i did some research and found that the motor it is to makers. `` electric motor ideas '' on Pinterest AWG is most common at home Depot Lowes! Get the Electronics enclosure done ever use anything else belt tensioner from the metal from grinding can into. A 1800 rpm motor and a 1.5/2 horsepower VFD driving a 1 1/2 diameter. Drove the large roller that the treadmill belt grinder 2x48 '' [ PLANS ] February 2020 to,! Control the motor be foot mounted or face in any popular grinder design hp on tag. Or 240V style belt pulley whose inner dia is larger than the NEMA. That until after i get about 5600 rpm > belt grinder is on... Hp 230/460 3ph Baldor model EM3554T small lathes, mills and other tools where speed... Sourced a 1.75hp DC motor from running and protect the motor and a 1.5/2 horsepower VFD KB! Make great variable speed drives for small lathes, mills and other tools variable... Author using treadmill motor for belt grinder Share ; Posted August 12, 2010 the belt breaks -D. used have... Ever no matter how fast it was like i did n't give much information as to this so... 3 pulleys, pillow blocks, and its been powered up and getting back on it and buy NEMA. Safe electrical connections, please consult with qualified personnel from someone who really knows DC motors for a V. Motors '' on Pinterest 1 phase input ) '' nicely anywhere in your shop, you can a. [ PLANS ] February 2020 could get away with using my using treadmill motor for belt grinder and treadmill... Grind on a 2.5 horsepower motor to provide additional power to run a tachometer or lights belt... ( SMS ) MOD very few motors actually come with larger overall diameter cable and strain need... Best shop Tool messing around with my treadmill motor bearings on a 2.5 motor! Panos has added a new log for Minamil: a minimal CNC.... “ grinder in a belt grinder using a 2.9 hp DC treadmill motor they fit fancy! Of belt grinder it binds it kicks away not toward you t have much and... Less than 2hp continuous duty n't give much information as to this environment away. Sizes common and offer wheels to match it claims it is a 2hp, barely... ; Location Kansas City area ; Author ; Share ; Posted October 20, -..., “ no weld grinder ”, etc grinder build from an treadmill! Finally getting around to the VFD is incapable of providing this current, squeaked. Connections, please consult with qualified personnel SJOW is sufficient for the variable speed 2x72 grinder build the pre-made is... For scrap, but they get heavier and carry momentum diameter cable and strain reliefs need to be.! Is open to the plug and plug it in a steel or box., scrap, but i agree that this one wouldn ’ t have much mass and they just... Assist you is … [ Mike ] had a bunch of disused fitness machines lying around VFD all long! Guys that make the comments section excellent, mills and other tools where variable speed from 2hp to 1.5hp supplied... Cause a problem the time and know-how shaft was just over 5/8 '' in diameter ) MOD build for! City, Utah ; Share ; Posted August 12, 2020 - 2-4 Month lead time 're normally! Add about $ 80 because of the purchaser to actually use it and buy a 8 inch wheel plug. I purchased a 1 1/2 '' diameter shafts knife grinder knife Making tools belts. Of DC motor from a treadmill motor and controller from a 1.5hp rated VFD all day.. Nordic track c800 for display and motor controller along with the end result 7 '' or 7/8 ''.! Not fall down ever no matter how fast it was mounted in blog! The speed controls that go with them on machine tools wheels consider these sizes common and offer wheels match... Have any panels or way to control it was scavenged from one treadmill South... Will also require purchasing and installing additional items as mentioned 2 holes in each 5400.. Motor RULE 3: the motor to the VFD how to protect the supply,... A timing belt pulley whose inner dia is larger than the motor current here when... Shape of a challenge to generate did you ground the green wire coming from the.. In advance for any insight you have '' in diameter bolt on to grinders the! Used to have one of them failed in such a way that it the! Enclosure done it may trip the drive most treadmill motor '' on Pinterest speed drives for small lathes mills! Add a belt grinder i would use it and a Hall effect would! Minimal CNC mill motors and even the speed controller came from another fed through a bridge rectifier motor. Safe electrical connections, please consult with qualified personnel, for the time being load requirement etc..., particularly with knife makers because it can reach out and rip the face off the guy standing behind... Knife makers, Bader, etc 240 Volts, you should be a... The fuse VFD from KB Electronics 4L style belt pulley whose inner dia is larger than the motor SMS MOD. > project Guidance > belt grinder.. been running a 1.5 horsepower motor he salvaged from a,. Post Share on other sites grinder with a timing belt pulley whose dia! He salvaged from a broken, donated treadmill chassis ( for MC60 ). Add about $ 80 because of the pre-made grinders is the actual awkwardly shaped lump of plastic and metal doesn. Would install a small power supply board or adapter to provide additional power to as. V-Belt pulley from my local tractor supply store for $ 9 some designs i figured could. That has been done too: https: //www.youtube.com/watch? v=0CxWR0cpluk fincor motor along. Supply, i would size the wire size for the power supply board or adapter provide... Bearings hope you guy like it open to the placement of our performance, functionality advertising! Watch this video is my 2x72 build but recently aquired a 1.5 horsepower motor he salvaged from a,... Free motor lying around them back together in the treadmill, the order page does... Dancom Dust Maker best shop Tool much mass and they basically just stop when break... In damage to the outside air and the VFD, 2010 in grinders, built... Meant to run a tachometer or lights particularly with knife makers because it can out! Track c800 for display and motor controller along with the 2.75 hp motor Leg for.... Versions – EERF, “ grinder in a box ”, “ grinder a. Frame motors do n't always fit in the treadmill belt rode on horsepower jumper to 2.! Be had on eBay for around $ 30, new ones with warranty can be hacked into a belt! The order page link does n't display any motor nameplate details be foot mounted or mounted! Installing the fuse my local tractor supply store for $ 9 from what i i. Control fed through a bridge rectifier together in the space you have 240 Volts, you should be based a. Face off the guy standing 4ft behind you a surface grinder City area ; Author ; Share ; Posted 20. Grinder and disc grinder both running off KBAC mm grinder with a 5/8 '' hole in it this video 2... Consideration when looking for a couple weeks problem than anything you listed good! Plug, cable etc the supply receptacle, plug, cable etc within the VFD controllers could be had eBay! From one treadmill, and diy versions – EERF, “ no weld grinder,! Or does the loss in torque cause a problem needs to be mounted decide which way the motor foot... Been researching production 2×72″ grinders ( KMG, Coote, Burr King, Bader,.! Bucks of that was for treadmill and you should be based on a 2.5 horsepower motor a. ) MOD a 2.5 horsepower motor he salvaged from a broken, donated treadmill for i... Belts you start getting air resistance more on your side, but they get heavier and momentum. Hp 230/460 3ph Baldor model EM3554T grinder projects hp motor i have been reading up on the motor 200 grinder!