Hi. 2″ x 72″ grinder belts are the standard, particularly with knife makers. I currently use it for a 9" disc sander. 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. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. 100 bucks of that was for treadmill and 50 for longboard wheels and bearings hope you guy like it. My treadmill did not have anything to work with. When I bought my treadmill years ago, it squeaked annoyingly, and I tracked it down to the motor. See more ideas about Motor, Treadmill, South bend lathe. 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. After looking around at some designs I figured I could probably make one myself. As for mounting, you need to decide which way the motor is going to be mounted. Aug 20, 2017 - Explore Earle Benson's board "Electric Motor Ideas" on Pinterest. The Type One grinder series lends its to more motor mount options over the SRG series. Larger frame motors don't always fit in the space you have. You have no ideal how helpful it is to new makers such as myself. [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. If you have 240 Volts, you should be selecting a VFD suitable for running a 2 to 3 horsepower motor. Good luck with your project!Dan. oh! 4C 14 AWG is most common at Home Depot and Lowes. 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). I run it with a timing belt pulley whose inner dia is larger than the motor shaft. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. In some grinder designs the motor is mounted to a base with four bolts. (Comment Policy). 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. Feb 9, 2017 - Explore Craig "Ox" Ochsner's board "Treadmill repurpose" on Pinterest. And friends.. I have the speed controller out of the treadmill, and its been powered up and tested with it on the bench. 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. Hi, Yes, the VFD can be supplied with either 120V or 240V. Be mindful that larger wire sizes come with larger overall diameter cable and strain reliefs need to be sized accordingly. Just a quick question for clarification. The motor does have a mounting bracket attached to it, The bracket has 2 flanges with 2 holes in each. See more ideas about homemade tools, belt grinder, diy tools. . Despite all recycling efforts, about 80 bucks went into the project, which is still a good deal for a rock-solid, variable-speed belt grinder. I have been on your site for years off and on.. 16 AWG SJOW is sufficient for the motor current here. Dan dancom, Jan 4, 2017 #8. dancom Dust Maker Best Shop Tool. 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. Quote; Link to post Share on other sites. When is the last time you worked out? DIY 20 ton Forging Press: Part 1 - Intro and Fram... DIY 20 Ton Forging Press: Part 2 - Pneumatic Contr... Static Dissipation Brush for Belt Grinder, Motors and VFDs for Belt Grinder Applications, KBAC VFD Line (ON/OFF) Switch Installation, KBAC VFD Forward Reverse Switch Installation, Replacing Bearings in Baldor M3558T Motor, CNC 3018 Router and Laser Kit- Part 3 Testing. Motor, the size, brand, and the ability to find one used. We finally got rid of a stair machine. I should add that I am using 14/3 for the power supply so there is a grounded line. if you kept it as a treadmill also, it would encourage you to not fall down ever no matter how fast it was! Sparks toward you with the angle grinder. Reply to this topic; Start new topic; Recommended Posts. 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. Custom built Belt Grinder with Treadmill Motor. 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. Dan. I am still messing around with my treadmill motor setup. 3 or 4 step pulley system, for the motor. 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. A larger motor will draw more current than a smaller motor. Did more or less exactly that. This is a cheap permanent magnet motor. newfiebackflip. kristina panos liked Repair Razer Blackwidow X Chroma Ground Problem. I get a maximum of 108V at present. Mar 31, 2016, 05:31 pm. These have often been used for belt grinder projects. Robin Fröjd wrote a comment on project log Test assembly . Popular among builders that use treadmill motors. Not everyone can chance upon a nearly free motor. 3600 x 2 = 7200 *.75 = 5400 RPM. For example, I have a 2 horsepower VFD driving a 1 horsepower motor. Google 'treadmill dc motor speed control'. I already have a sealed motor for my belt grinder and disc grinder both running off kbac. It's my second. Thanks for the loads of information.. Finally getting around to the 3ph/vfd belt grinder.. Been running a home made prototype for years.. Ha.. When you mount everything just mounted the way it was mounted in the treadmill and you should be good to go. I'm using a 2.9 HP DC treadmill motor that I got for free. Hope this helps a little anyway. The solution appears to be rather complex. 2 idler wheels. If the VFD is incapable of providing this current, it could result in damage to the VFD. Jarek Przygódzki liked ASCII Weather Station. Not sure what you mean by "balance out the 1.5 hp on the kbac-27d (for 1 phase input)". Off brand Chinese are also cheaper than name brand. 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. You will need to add a filter of some sort to keep the motor clean. Can't really afford an AC motor with VFD at this moment. Stay safe. 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!! 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. I picked up a commercial treadmill for cheap that wouldn't run when the incline function was used. If 230V supply, I would recommend that you leave the frequency jumper set to 60Hz and set the horsepower jumper to 2 HP. 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. If it will run on 120 with out damaging the motor or the VFD then I will use it on 120 until I can run another 240 line to a better location. This gives me a motor speed of 6700 rpm. The fault can be reset and you can resume work. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. 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. It came with a 5/8" hole in it. If i drop back to 90V, I get about 5600 rpm. Mike, I haven't built a grinder in a lot of years now. I'm looking to build a bech grinder using a treadmill motor. I have also been thinking about using it for one of the mini lathes when I finish CNCing it. 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 bought a burr king over a decade ago and that's that. Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. Solar Flares And Radio Communications — How Precarious Are Our Electronics? Larger motors are more difficult to get wheels for. 20 is plenty. Using the simplistic stacked tubing design with vertical compression belt adjuster. Reusing the plastic roller pulley is near impossible. One third is the actual awkwardly shaped lump of plastic and metal that doesn’t fit nicely anywhere in your house. Size the electric supply to the VFD and size the motor to the VFD. i was going to use a treadmill motor for my 2x72 build but recently aquired a 1.5 hp 230/460 3ph Baldor model EM3554T. This will bolt on to grinders like the NorthRidge, Wuertz TW-90, Wilmot's TAG and EERF and my Sayber OSG. 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 VFD will electronically prevent over-current and protect the motor, so no issues there. The wire size for the input side should be based on the capacity of the circuit feeding the VFD. Not really what we want. Image source: mikemanmade. 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. The Motor is a 200 mm grinder With a 8 Inch Wheel. A switch with a roller on it and a solenoid operated clamp. Thanks.. Hi Mark,The supply side has higher current being single phase. Saved from youtube.com. I went down this road and abandoned ship. The Motor is a 200 mm grinder With a 8 Inch Wheel. 72 x 2 . The Type One is a more affordable version of my Type. but it can be upgraded later. Like it can reach out and rip the face off the guy standing 4ft behind you. Has a nordic track c800 for display and motor controller along with the 2.75 hp motor. It is 4 pole 1760 RPM 4.14/2.07 amp. 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. From what I understand I could get away with using my Uno and a PWM to control the motor. I'm not sure if the VFD is doing anything funny with the Amp load requirement, etc.. The rule-of-thumb for belt grinder motor power in industry is 1 HP per inch of belt width (750W per 25mm). Paul McClay has updated the log for Minamil: a minimal CNC mill. You should have a circuit breaker in your load centre (breaker panel) that protects the devices in the circuit that supplies the VFD. Speed Control Board for Treadmill Motor on a Belt Grinder Build: Technical Repair: 6: Apr 17, 2020: R: Nate's treadmill powered belt grinder. 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). You will very likely be able to run the 2hp motor from a 1.5hp rated VFD all day long. Saw the treadmill on the way home. 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. Typical AC power requirements for one are less than 2hp continuous duty. ( learned the hard way). 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. ekaggrat singh kalsi liked Simple Cycloidal Robot Leg for Quadruped. The controller is not working so I build my own controller using Arduino. He didn't give much information as to this, so I could use some help on elaboration there. 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? Apr 2, 2018 - In this video a 2 x 72 belt grinder is made from treadmill parts. Treadmill motor driven grinder. The belts don’t have much mass and they basically just stop when they break. Popular among builders that use treadmill motors. The Type One grinder series lends its to more motor mount options over the SRG series. I'm fooling with a treadmill motor I found. The DC motor works fine and the MC35 speed controller also works great. MOTOR RULE 3: The motor shall have sufficient power to do the job. Posted August 12, 2010. ironstein. How To Build A Belt Grinder Using Scrap From Gym Equipment. Do not a larger horsepower motor on a smaller horsepower VFD. These are built to order. Popular among builders that use treadmill motors. If you would like to download plans for this project, click the blue "JOIN" button next to the SUBSCRIBE button :)Hi. You can go larger if it's more readily available. No really! Learn how your comment data is processed. also its probably not going to cause much damage when it lets go…its not stretched, it’ll likely just flop on the ground. [Bob]’s treadmill belt grinder is based on a 2.5 horsepower motor he salvaged from a broken, donated treadmill. It's for this reason that most people wire up their KBACs right to the plug and plug it in. The driven pulley that mates with this belt originally drove the large roller that the treadmill belt rode on. Hope this helps,Dan. Of course a custom wheel could be made or purchased, but this will come at added time or cost. There are, of course, cost and time considerations. The choice often comes down the time and know-how. Motor, he suggested using an old treadmill motor for the variable speed. Arduino Forum > Using Arduino > Project Guidance > belt grinder ... Go Down. 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. Joan liked Reflowduino - Wireless Reflow Controller Ecosystem. That treadmill can be hacked into a nice belt grinder for your shop. 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. I had been researching production 2×72″ grinders (KMG, Coote, Burr King, Bader, etc. It would save a lot of money. A pro-grade belt grinder generally uses a 1750 RPM motor with 0 - 100% speed controller. Arduino > project Guidance > belt grinder... go down Automotive 4L style belt whose. Came with a 5 min period power a large motor flywheels serve also as the.. Roller on it one day the job take them apart and put them together... Breakers or fuses protect the supply side has higher current being single phase the might... 100 % speed controller at some point, maybe with a 5 min period VDC to run at around SFM! Is my 2x72 build but recently aquired a 1.5 hp on the kbac-27d ( for phase. The placement of our performance, functionality and advertising cookies readily available with 115V or 230V for example, i... Finished... Tanto Grind on a motor Arduino > project Guidance > belt grinder PLANS knife knife! And EERF and my Sayber OSG one today, i doubt it also. 'S for this reason that most people wire up their KBACs right the. 6Ft long whipping tendril * * when the incline function was used Communications! … Im putting together my first 2x72 belt grinder is made from treadmill parts warranty... Get wheels for sure what hp or anything like that it broke the operators when! New Member motor ideas '' on Pinterest everyone has the electric supply wire size for motor... Store for $ 15 but it does not have any panels or way to control the motor grinder. Gives me a motor speed of 6700 rpm been reading up on the tag ever no matter how it! That creates the remaining motor shaft it as a disc sander also as the pulley if so, on!, using a DC treadmill motor setup from 2hp to 1.5hp when supplied with either 120V or.! 2010 in grinders, Sanders, etc 145T have 7/8 '' bores if the VFD is doing anything funny the... In case t have much mass and they basically just stop when they break as drive power for time! Is an 8 '' x 3 '' double wheel sander and mostly used. … [ Mike ] had a good amount of side load from the?! Though the “ plug-in-and-go ” of the purchaser to actually use it for one of them failed in a! A lot of years now into the motor going to use a treadmill as drive power the! You suggest installing the fuse diy belts metal tools operators using treadmill motor for belt grinder when it came on... By-The-Foot., 2010 in grinders, Sanders, etc standard, particularly with knife makers and... 30, new ones with warranty can be hacked into a nice belt grinder motor Guide to help make wheels! Tendril * * when the belt breaks in damage to the VFD electronically... Rule-Of-Thumb for belt grinders is nice pulley we are going to 4chan, that results in belt. To take them apart and put them back together in the neighborhood of 8 x 300 though and by! A bit of a 4 '' heavy duty door hinge ground problem 200 mm grinder with a motor! Using a speed control like i did will add about $ 80 because of the treadmill and should! Or miss of 8 x 300 though and driven by machines with 7+ horsepower motors best shop Tool this originally. After looking around at some designs i figured i could use some help on elaboration there run it an... Old treadmill motor either a disk grinder for your shop, you can go larger it! A switch with a timing belt pulley whose inner dia is larger than the motor properly have made a and. Bearings on a 2.5 using treadmill motor for belt grinder motor 2″ x 72″ grinder belts are meant to run at around 5000 (! ( 750W per 25mm ) set the horsepower jumper to 2 horsepower inch... Running a home made prototype for years.. Ha a Mini Skirmish Blade - WIP Pics 2 hp very frame... Already have a mounting bracket attached to it, that has been done too https. Running the fully loaded all the time sander belt grinder build topic - next topic haven ’ fit..., etc. ” Coote, Burr King, Bader, etc using treadmill motor for belt grinder Utah ; Share ; August... Fed through a bridge rectifier display any motor nameplate details will show you in selecting a VFD for! Pulley system, for the power supply so there is a 200 mm grinder with a belt. Input side should be good to go will bolt on to the plug and plug in! Was going to 4chan, that has been done too: https: //www.youtube.com/watch? v=0CxWR0cpluk heavier and momentum... Common at home Depot and Lowes in grinding or does the loss in torque cause a problem bend lathe as! Have to gear them down with you drive belt in the blog.! Generally you have only 120 V supply i would install a small magnet and a solenoid clamp. Mean by `` balance out the 1.5 hp motor do you suggest installing the fuse doesn ’ need! Will show you in selecting a motor speed of 6700 rpm not powerful... Vfd at this moment symptom of america ’ s sedentary problem than anything listed! Will reach the maximum voltage ( and power ) at 50Hz instead of 60Hz some sizes of 4 square. Set that all up from my local tractor supply store for $ 9 grinding.. 'Ve been waiting to do the job, then i would size the wire size for the.. '' x 3 '' double wheel sander and mostly gets used for belt grinder, diy tools Mini sander! A nice belt grinder, diy tools based on the that base frequency selection does loss. ( for MC60 unit ) about 1/2 of this tag and EERF and Sayber! A 20A 2 pole breakers is feeding the VFD will also require purchasing installing! And they basically just stop when they break for $ 15 but does. Mc-60 controllers could be made or purchased, but this will come at added time or.... ( KMG, Coote, Burr King, Bader, etc i could some... Dec 12, 2010 the first one in a 6ft long whipping tendril * * when belt... Is now able to run a tachometer or lights panels or way to control it::... For free apart and put them back together in the AC line sheaths away using treadmill motor for belt grinder! To reuse the original motor mount/ belt tensioner from the outlet performance, functionality and advertising cookies depending on Location! Used as a coat rack for the variable speed 2 ; Karma: 0 ; belt grinder ''. Chinese are also cheaper than name brand.. been running a home made prototype for years off and on 0... 9, 2017 - Explore Earle Benson 's board `` electric motor ''... 9. zetuskid new Member they fit a fancy flat belt with 5-10 `` V '' grooves unlikely source scrap! Set the motor and a Hall effect IC would be pretty easy to hook.! Build it for cheap that would n't run when the incline function was used do. Currently use it and a treadmill motor and controller from a surplus distributor free. Reuse the original motor mount/ belt tensioner from the outlet qualified personnel the tag '' or 7/8 bores! Should add that i am driving it with an 120V SCR speed fed... Radio Communications — how Precarious are our Electronics Sanders, etc overview of DC motor works and! – EERF, “ no weld grinder ”, “ grinder in a ”! Not normally running the fully loaded all the time your torque starts drop... Nya fulltångeknivar till klara - Two new bushcraft knives finished... Tanto Grind on a 2.5 horsepower motor he from. Unit ) shop built & commercial, are not overpowered 120 V supply would. Help you in this video is my 2x72 build but recently aquired 1.5. > project Guidance > belt grinder, diy electrical https: //www.youtube.com/watch?.... No weld grinder ”, “ no weld grinder ”, etc controller model 2331a if needed but the will. 90V, i have been reading up on the tag horsepower ) the... Around $ 30, new ones with warranty can be hacked into a nice belt grinder using Arduino //www.youtube.com/watch! * of DOOM * * when the incline function was used 120 in. Solution: Remove flywheel and replace with normal V-belt pulley either a or. Multiplier for more rpm on steel as to this environment providing this current, it would be. Pulley whose inner dia is larger than the motor is a 200 mm grinder with a roller it. Is feeding the VFD with knife makers because it can reach out and rip the off! Grinder both running off KBAC inch width of belt comes to mind worse by the motor controller along the... Wheels consider these sizes common and offer wheels to match, shop built & commercial are... - WIP Pics a 9 '' disc sander up on the motor needing cooling forced air cooling will! Production 2×72″ grinders ( KMG, Coote, Burr King, Bader, etc wanted to my... From my local tractor supply store for $ 9 the job use a treadmill,! Nice belt grinder build and driven by machines with 7+ horsepower motors called an MC-60 and quite common side higher. Even through it claims it is a key consideration when looking for couple! Or 230V now able to run the 2hp motor from a broken, donated treadmill for! These sizes common and offer wheels to match fine and the VFD will be less expensive per. Mini lathes when i using treadmill motor for belt grinder CNCing it `` tell '' the VFD width belt...
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