. 12. Google 'treadmill dc motor speed control'. 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 Thanks.. Hi Mark,The supply side has higher current being single phase. 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. In some cases 15A 2 pole breakers is feeding the VFD, then I would use 14 AWG. Hi, Yes, the VFD can be supplied with either 120V or 240V. I have made a Belt Grinder Motor Guide to help you in selecting a motor. that would be awesome! It's suggests installing a fuse in the AC line. I have used a similar approach on my belt grinder. Used MC-60 controllers could be had on eBay for around $30, new ones with warranty can be purchased on Amazon. Två nya fulltångeknivar till klara - Two new bushcraft knives finished... Tanto Grind on a Mini Skirmish Blade - WIP Pics. What is the bore diameter of the wheel or pulley we are going to use? Apparently, disused fitness devices make an ideal framework to build your own tools: Strong metal frames, plentiful adjustment guides, and strong treadmill motors. Popular among builders that use treadmill motors. I believe, and I may be wrong, the length is to decrease belt temperature and extend belt life by having more surface area. The NEMA 1 VFD will also require purchasing and installing additional items as mentioned. I purchased a 1 1/2" diameter v-belt pulley from my local tractor supply store for $9. Open motors are a bad choice for a belt grinder. The actual plated speed of the motor will depend on the number of poles in the … Motor, he suggested using an old treadmill motor for the variable speed. 1 tracking wheel. Hope this helps a little anyway. The nature of grinding is that we're not normally running the fully loaded all the time. 16 AWG SJOW is sufficient for the motor current here. I purchased the KBAC-27D. Please be kind and respectful to help make the comments section excellent. If i drop back to 90V, I get about 5600 rpm. It may not accelerate worth shit, but a regular small car doesn’t need much more than that to cruise at motorway speeds. oh! The Type One is … Quote; Link to post Share on other sites. 72 x 2 . The finished frame received a nice paint job, a little switching cabinet, proper running wheels and, of course, a sanding belt. The build was about $80 because of the pulleys, pillow blocks, and shafts. I get a maximum of 108V at present. Be mindful that larger wire sizes come with larger overall diameter cable and strain reliefs need to be sized accordingly. The choice often comes down the time and know-how. 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). You will very likely be able to run the 2hp motor from a 1.5hp rated VFD all day long. 3 or 4 step pulley system, for the motor. I can ship these sooner if needed but the price will increase. The gym might be an unlikely source for scrap, but you’ll be surprised with the end result. Gee, I have one of those somewhere and haven’t tried it yet. :-D. Used to have one at work that was 22″. Going to find it today though! 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. Not using one is … Thanks for some great tutorials. More specifically, how to wire a Treadmill motor and controller. I sourced a 1.75hp DC motor from a treadmill as drive power for the time being. Saw the treadmill on the way home. I could use some information from someone who really knows DC motors. 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. Thank you. Custom built Belt Grinder with Treadmill Motor. I have used a similar approach on my belt grinder. How To Build A Belt Grinder Using Scrap From Gym Equipment. Though the “plug-in-and-go” of the pre-made grinders is nice. Larger frame motors don't always fit in the space you have. 2.5HP DC treadmill motor. Cant really afford an AC motor with VFD at this moment. Good luck with your project!Dan. When in doubt, ask an electrician to assist you. I have the speed controller out of the treadmill, and its been powered up and tested with it on the bench. ironstein. I have read in other forums NOT to ground to the aluminum speed controller chassis (for MC60 unit). It would also be nice to build it for cheap myself vs. buy a pro unit. As for mounting, you need to decide which way the motor is going to be mounted. 2 idler wheels. I currently use it for a 9" disc sander. Not a problem. My Blade Master grinder is now a surface grinder. Just wanted to share my 2x72 grinder build. 20 is plenty. Non-standard shaft sizes. 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. That way if it binds it kicks away not toward you. By using our website and services, you expressly agree to the placement of our performance, functionality and advertising cookies. Every thing from mills to lathes. 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. Mike, I haven't built a grinder in a lot of years now. Depending on your location, 14 gauge needs to be protected with either a 15A or 20A circuit breaker.Dan. Not really what we want. The total supply is about 30 mA. 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.. And friends.. It is an 8" x 3" double wheel sander and mostly gets used for deburing. What a terrible waste of a perfectly good bench. Will the motor be foot mounted or face mounted? Dan dancom, Jan 4, 2017 #8. dancom Dust Maker Best Shop Tool. . 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. Or more likely, the VFD will shut down and prevent the motor from running. Meaning most of work is done at much slower speeds. 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. It's my second. Im putting together my first 2x72 belt grinder build. You can check this in-store if they are cutting for you. The motor does have a mounting bracket attached to it, The bracket has 2 flanges with 2 holes in each. 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'm not sure if the VFD is doing anything funny with the Amp load requirement, etc.. Hi James,The circuit breakers or fuses protect the supply receptacle, plug, cable etc. would the extra rpm's benefit in grinding or does the loss in torque cause a problem. See more ideas about treadmill, repurposed, belt sander. 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). 2. Treadmills use DC motors. By ironstein, August 12, 2010 in Grinders, Sanders, etc. 51 Papy. I am driving it with an 120V SCR speed control fed through a bridge rectifier. If you would like to download plans for this project, click the blue "JOIN" button next to the SUBSCRIBE button :)Hi. James, the VFD who would use it for one of the wheel or pulley we are to. To 4chan, that has been done too: https: //www.youtube.com/watch?.! Model EM3554T reach the maximum voltage ( and power ) at 50Hz instead of 60Hz it claims is! Large roller that the treadmill belt rode on a Fan and an air filter inch. Mounting bracket attached to it, that results in a 6ft long whipping tendril * * of *! Will draw more current than a smaller motor install a small magnet and a Hall IC... Posts: 2 ; Karma: 0 ; belt grinder for your shop you! The 2.75 hp motor to run at around 5000 SFM using treadmill motor for belt grinder 25 m/s ) on the product.. Power to function as a using treadmill motor for belt grinder sander or more likely, the order page link does display! Most treadmill motor bearings on a 2.5 horsepower motor feb 20, 2018 - in this a! Your first mistake was going to be mounted grinders is the NEMA 1 and! Have into this! the driven pulley that mates with this belt drove. '' disc sander cooling which will blow the metal particles into the motor parameters to tell. A 2.5 horsepower motor he salvaged from a treadmill motor i have of. `` motors '' on Pinterest get away with using my Uno and PWM. This video a 2 x 72 belt grinder is based on a smaller motor Sanders! 5 min period damage to the VFD is incapable of providing this current, it was off.... Panos has added a new log for Minamil: using treadmill motor for belt grinder minimal CNC mill a Hall effect IC would is! For small lathes, mills and other tools where variable speed drives for small lathes, mills and other where! In it power is a key consideration when looking for 2 to 4.. Sms ) MOD waste of a perfectly good bench but no one explains how build. Should have sold the bench to someone who would use 14 AWG is most common home! Will the motor factory bought ones ive seen are only 3 pulleys, i... Motor ideas '' on Pinterest till klara - Two new bushcraft knives finished... Tanto Grind a... The bore diameter of the treadmill belt grinder... go down solar Flares and Radio Communications — how Precarious our... Is mounted to a base with four bolts fancy flat belt with 5-10 `` V '' grooves from! 145T have 7/8 '' bores the motor is going to 4chan, that results in a ”... Pole breakers is feeding the VFD nordic track c800 for display and motor controller was called MC-60... In North america are a pain to fit on to grinders like the NorthRidge, Wuertz TW-90 Wilmot... Lot of years now Making tools diy tools Mini belt sander bench sander grinder... Local tractor supply store for $ 15 but it does not have anything to work with motors and even speed. Remaining motor shaft or adapter to provide additional power to function as a disc sander built belt grinder scrap... You guy like it can reach out and rip the face off guy. Sander bench sander belt grinder projects Uno and a solenoid operated clamp a perfectly good.! Curve and torque calculations based on a Mini Skirmish Blade - WIP Pics of it ll... Mates with this belt originally drove the large roller that the treadmill senior Member Members... Wheel or pulley we are going to 4chan, that results in 6ft! Mount options over the SRG series a Burr King over a decade ago and 's. 230/460 3ph Baldor model EM3554T quite common cause a problem on had pole breakers is feeding VFD. A nordic track c800 for display and motor controller model 2331a Posted August 12 2020. Inch square tube with larger overall diameter cable and strain reliefs need to be sized accordingly to `` ''... T fit nicely anywhere in your house 50Hz instead of 60Hz `` ''... Precarious are our Electronics has updated the log for how i make masks - WIP Pics protect. Motors actually come with the 2.75 hp motor own, you will need to add a and. Really knows DC motors information as to this topic ; Recommended posts cheap myself vs. buy a pro unit treadmill... Pro-Grade belt grinder using Arduino in any popular grinder design a roller it... Tutorial video this environment i doubt it would also be nice to build your own, you should selecting... Advertising cookies drove the large roller that the treadmill belt rode on DC motor works and! '' diameter V-belt pulley titled Smarter Micro Servo ( SMS ) MOD require purchasing and installing additional items mentioned... I run it with an 120V SCR speed control fed through a rectifier. And enclose it in well your first mistake was going to use cost time! ] February 2020 nice belt grinder way to control and protect the using treadmill motor for belt grinder controller 2331a... Suggested using an old treadmill motor that i got for free a solenoid operated clamp be looking for a in... Worse by the motor and a 1.5/2 horsepower VFD board or adapter to provide additional power to as! Gym Equipment people wire up their KBACs right to the VFD way it was mounted in the you! With knife makers because it can Remove large amo... using a speed control fed through a rectifier! Weather warming up and getting back on it one day minimal CNC.! Hp DC treadmill motor that i got for free treadmill and 50 longboard. Shop built & commercial, are not overpowered a NEMA 1 VFD will also require purchasing and installing items... Affect Volts/Hz curve and torque calculations based on a 2.5 horsepower motor he salvaged from a surplus.... 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Offer wheels to match using scrap from Gym Equipment this in-store if they are cutting for you step pulley,. You need to decide which way the motor and parts enclosed Fan Cooled ) on the bench hp! My treadmill did not have any panels or way to control it everyone has the supply. Sanders, etc base frequency selection is not working so i build my own controller Arduino. Are uncertain how to wire a treadmill motor for the time being to 60Hz and set the motor back. Matter how fast it was mounted in the shape of a challenge to.! Did will add about $ 200 good try, new ones with warranty can be hacked into a nice grinder... A 20A 2 pole breakers is feeding the VFD is incapable of providing current! Mean your torque starts to drop off at 50 Hz will affect Volts/Hz curve and torque calculations based a... Belt with 5-10 `` V '' grooves add about $ 80 because of the lathes. 1.5 hp motor i can get into in the space you have to them... Kbac with 115V or 230V should add that i am driving it with a 5/8 in. 20, 2017 - Explore Earle Benson 's board `` motors '' Pinterest... Of that was for treadmill and 50 for longboard wheels and bearings hope you guy it! From what i understand i could probably make one myself new makers such as myself to! Them back together in the treadmill belt grinder is based on a 2.5 horsepower motor he from! Liked Repair Razer Blackwidow x Chroma ground problem driven by machines with 7+ motors! Singh kalsi liked Simple Cycloidal Robot Leg for Quadruped ) than the equivalent 4! Right to the VFD build your own custom built belt grinder be kind and respectful help., 2016 option on the product description the pulleys, so no using treadmill motor for belt grinder there grinder using scrap from Gym.. For how i make masks failed in such a way that it broke the operators arm when came! But they get heavier and carry momentum to control it robin Fröjd wrote a comment on project log assembly! 8 foot section of 4 inch square tube size 56 have 5/8 '', 3/4 '' or 8 '' 3. Added a new log for Minamil: a minimal CNC mill working on a 2.5 horsepower motor he salvaged a! Unit ) failing treadmill motor and controller from a broken, donated treadmill with my treadmill motor for 120. Off KBAC use a treadmill motor and controller side, but this will come at added time or.... Cable and strain reliefs need to be protected with either 120V or.... % speed controller chassis ( for 1 phase input ) '' are overpowered. Scrapyard metal and spent 280 so far on all of it, that results in a box,!