Making a DIY 2x72" Belt Grinder from Treadmill Parts

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In this video a 2 x 72 belt grinder is made from treadmill parts. This type of belt grinder is very popular with knife makers because it can remove large amounts of metal very quickly. However, it can be very useful for many other metal and woodworking projects.
Don't like the music? Watch the no music version here: • Making a DIY 2x72 Belt...
Get 10% off your first order at EmpireAbrasives.com. Use the promo code MAKINGSTUFF at check out. The perfect place to get your first order of 2" x 72" belts. lddy.no/tnvt
For more information about this project visit the Making Stuff web page at www.makingstuff.info/projects/...
The 3D Sketchup file is available to all Maker+ patrons at / makingstuff
Parts used in this project:
2" x 72" belts - lddy.no/tnvt
Flap Discs - lddy.no/tnvu
CRC cutting oil - amzn.to/2l1uEv6
Treadmill motor - amzn.to/2l1hGgQ
MC-60 motor controller - amzn.to/2l1rJ5E
10K potentiomter amzn.to/2kWXltj
Blue LED Tachomter - amzn.to/2kAfM6e
Visit the Making Stuff Amazon Affiliate Store - www.amazon.com/shop/makingstuff
Some of the links on this page are affiliate links. This means at no cost to you, a very, very small commission will be paid to Making Stuff to help cover the cost for projects like this one.
Thanks for Watching!
(C)2017 TMI Enterprises Inc.
#knifemakingtools
#beltgrinder
#2x72

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Опубликовано:

9 фев 2017

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Комментарии : 391

@BecksArmory 5 лет назад

at about 11 minutes in I realized your primary skill is in electronics. You really did a good job on the custom controls box. It's clearly not your first time. The metal fab part was good but not your strong suit. lol Great job! It looks great! I love this video because I'm weak in the electronics side and strong in the fab side. I enjoyed seeing how you did your controls box.

@ronhart8857 6 лет назад

Very nice job, looks great, and it's yours to use, and save time building more stuff! Thanks for sharing.

@boots7859 5 лет назад

Cool. Collecting treadmill motors for my little shop and this was exactly what I was looking for.

@guitarsarge 7 лет назад

This is a great video! I've watched it several times as I plan my build. Digging the ingenuity.

@stevehaines6857 7 лет назад

If they dont like the music their computer has a volume button. Thanks for showing the issues and corrections needed thats the most helpful aprt for those wanting to do a build . Keep it up!!

@nifty1940 4 года назад

You got that right mate. The mute button is the greatest of all inventions.

@kjbigslim 2 месяца назад

I liked the music. Can't be too picky with free music anyway.

@trevorhoward3328 4 года назад

I like your design on the belt adjustment wheel. As well as the compression spring being integrated is cleaner and more compact.

@randymcdonald1419 6 лет назад

liked the vid.enjoyed the music. thanks. it takes a lot of different folks to make the world work.

@MakingStuff 6 лет назад

Thank you!

@alexanderbesliu-surkic135 4 года назад

Thanks for sharing your difficulties! Being honest is much more important than building a perfect Belt Grinder! ;)

@LiamO5991 5 лет назад

I have watched approximately 20 builds of belt grinders, the detail and plans provided are great! Best video I have come across to date

@MakingStuff 5 лет назад

Thank you!

@TheStuartYork 6 лет назад

I'm so grateful for this tutorial. If watched the video several, times, printed out the plans and cutting list. I've settled on a 3 HP single phase ,two pole motor giving me approx 3000rpm. All of the materials have arrived. I commenced welding today. Thank you so much for sharing this project. Stuart York

@MakingStuff 6 лет назад

Thanks for watching! send me a picture when you finish yours.

@wesley7910 6 лет назад

Stuart York where did you find the plans?

@TheStuartYork 6 лет назад

Wesley Look at the making stuff website. All plans are there to download and print. Enjoy Stuart

@wesley7910 6 лет назад

I found the BOM and blog he wrote, but no plans. Any clues?

@kenanderson2642 6 лет назад

You are one smart crafty guy

@MakingStuff 6 лет назад

Thank you!

@roadwarrior211 7 лет назад

Gonna start working on one of these soon, Thanks for the awesome video.

@NurchOK 7 лет назад

Awesome video and thanks for the explanation at the end.

@tomsdreamshopworx 7 лет назад

Good build! I'm slowly working on a grinder. I always pick up a few tips and tricks from each video that I see. thanks for sharing. Just subbed.

@georgedennison3338 4 года назад

FYI: Serpentine belt idler pulleys, (Dodge/Plymouth are best because they have a flange), and a belt tensioner are great for making 1 x 72" or 1 x 42" belt sanders. Because of the flanges on the pulleys, you don't need an alignment mechanism. The idlers have sealed ball bearings. You can use a smooth drive pulley from serpentines as a drive pulley on the motor. Use someone that non-slip adhesive tape for traction.

@rayadelic4327 5 лет назад

Very informative and thank you for the precautionary tips

@michaelweyl6880 5 лет назад

Awesome build my man. And thank you for sharing what design flaws there were. Great insight into building my own. Pretty bad ass doing that on the fly with no plans.

@heru-deshet359 5 лет назад

This is one of the sweetest builds I've seen, brother. The satisfaction value is priceless.

@MakingStuff 5 лет назад

Thank You!

@tracyfriesen9164 7 лет назад

Great video, very detailed and informative. Thanks a lot!

@randomiaer6322 7 лет назад

awesome build

@snoopdog68 7 лет назад

Much respect and well done. you keep it simple and dont seem to fuss over the little Things. I have a lathe and milling machine so I dont think I will have too much trouble building one.

@SuperGrover 7 лет назад

Very very nice work, and I like that you pointed out the issues, I had similar problems when I built mine. The music on the other hand, watching first thing in the morning with a hangover, holy crap! :D

@carloscuruxo7806 7 лет назад

Fantástico trabajo!!! Gracias por compartirlo! Un saludo. Carlos C.

@JeffreyVastine 7 лет назад

Nice when you can take someone's junk and turn it into a useful tool. I enjoyed the little "'Mae It Extreme" format in the video, but prefer there is a dialog covering the what, why, and how which is beneficial to a broader audience. Peace!

@bobbg9041 6 лет назад

He used new materials, Junk would have been using a old bed frame and that type of metal too.

@lazyh-online4839 3 года назад

@@bobbg9041 ironically, the alloy bed frames are made out of would likely have made just as rigid/durable of a machine as the new material. Bed frames have to support huge amounts of potential load without much in terms of support over long spans, so they're a surprisingly tough type of steel.

@yetanotheaverageguy 6 лет назад

Fail early and often. Failure is an excellent teacher. Cool build. Thanks for documenting and sharing.

@MakingStuff 6 лет назад

There's no substitute for effort, even if it leads to failure. ;)

@yetanotheaverageguy 6 лет назад

Any info about sourcing the rpm display?

@MakingStuff 6 лет назад

Link to tachometer is in the video description and on web page.

@yetanotheaverageguy 6 лет назад

Thank you. Guess I could have looked. Appreciate your quick reply.

@mars1952 6 лет назад

Nice tip on converting that spring!

@brianhescott 7 лет назад

great video, thanks.

@NicolasBana 7 лет назад

A super project ! I'd recommend adding an emergency stop button though, or at least a machine type start/stop. Otherwise a nice, well rounded project !

@elesjuan 7 лет назад

and maybe some grounding...

@bobbg9041 6 лет назад

Don't put your tongue on the DC Wires! But I'm going to say the 12-24-36 volts are pretty safe as long as your dry. Looking at the power supply the Amps are not that high its about 2-6 amps of current chances are you won't get bit by it You will on the 120 Volt side. But its a DC motor. At any rate the Electrical box was fully insulated by the plastic housing, you'd have to do something pretty dam dumb to get shocked with it. Its highly unlikely. I'd be more concerned touching a light switch with wet hands.

@amalfi460 7 лет назад

Finally some good music

@maxgrable398 7 лет назад

buenisimo!! muy detallado el vídeo!! gracias por el aporte

@GreenSaw 4 года назад

Nice job, thank you for share... regards...

@rooseveltemidiodesouza2720 6 лет назад

Thank you my friend for engineer, Very good utility knife in my office. I am Brazil.

@azmark6894 6 лет назад

The music is great - your project, your music! :) Thanks for sharing your experience brother, I got a lot out of it.

@demonwolfish1 3 года назад

Na mit der Musik,ich weiß ja nicht....

@atherapeutictouch 5 лет назад

Good video. Loved the music!

@dariostino 4 года назад

Nice build, and good on you for pointing out the glitches!!

@MakingStuff 4 года назад

Thanks!

@defendthebelt7795 5 лет назад

Premium construction!! That's a serious diy belt grinder.thumbs up.

@MakingStuff 5 лет назад

Thank You!

@liamr6672 3 года назад

Pretty smart stretching out the spring!

@boatbuilder1954 6 лет назад

Nice build and good information at end of video Thanks!

@joefriday1982 6 лет назад

And major props for the hall effect sensor!!

@rameshe5042 6 лет назад

thanks good build .nice explanation

@tomweightman9341 6 лет назад

I enjoyed the video and the music. Learned a thing or two.

@MakingStuff 6 лет назад

Thanks, glad you liked it!

@psychojon88 7 лет назад

What a awesome build ! Great job

@MakingStuff 7 лет назад

Thanks for watching!

@joehanna2231 6 лет назад

Great explanation and tips. Subscribed.

@bicivelo Год назад

Awesome video. Thanks for sharing your experience and ways to improve on it. Great build!

@MakingStuff Год назад

Thanks for watching!

@mattbowie9479 4 года назад

Very well done. Great video an wonderful craftsmanship

@MakingStuff 4 года назад

Thank you.

@mikemcdonough1793 6 лет назад

I miss my Kubota, such a work Horse. Nice build too.

@youmanskids 6 лет назад

great video, ive watched alot of diy vids on 2x72 grinders and YOURS IS THE BEST!! i got the steel and rollers, starting construction in the am. thanks for the video. roger

@MakingStuff 6 лет назад

Glad you liked it, thanks for watching.

@donfillenworth1721 7 лет назад

Very nice! Thanks for sharing.

@tonywilkerson1577 6 лет назад

Great job thanks for the information.

@whatme3473 3 года назад

I am making one in the next few weeks just getting materials up together. Grate info cheers.

@joefriday1982 6 лет назад

Excellent build. I was going to comment on maybe using different music, but then after seeing you, I decided using anything but metal would be inappropriate. Thanks for sharing and I was impressed by the cleanliness of your drill press table!

@jjmorrissiey 7 лет назад

Great video and machine!

@robertseth1629 6 лет назад

Awesome build man with great audio too. I loved it. Making one the very same as yours soon just gathering up the parts first. Good idea of stretching the spring. I will be doing that. Also I like the two colours you used the green platten looks cool against the black. Job well done sir

@MakingStuff 6 лет назад

Thanks you.

@billsmith987 3 года назад

I'm looking to build one of these. Need it low profile. Thanks for the video👍

@MakingStuff 3 года назад

Thanks for watching!

@BellyUpFish 7 лет назад

Very nice build. I've been wanting to build one of AlaskaBearHawk's grinders for a while as well. Nice work.

@mark37thms 7 лет назад

Awesome video and awesome site kepp em comin!

@cri8tor 5 лет назад

Always enjoy watching your videos. Some of them I watch several times. For another video, please consider a treadmill-motor powered belt-disk sander like the little one HF sells. Cheers

@MakingStuff 5 лет назад

Thanks for watching!

@valveman12 7 лет назад

Great job on the metal sander.

@lazyh-online4839 3 года назад

Powered grinders typically have lower surface feet per minute, grinders like this are typically designed to operate at much higher surface feet per minute, up to just over 7000sfm, while Sanders typically top out at around 4000sfm but many don't even do that. The good thing about this is that the higher speeds ironically help prevent belt wear, for two main reasons. One, the higher belt speed allows more heat to be carried away by the metal chips, and two it prevents clogging of the abrasive, neither of these benefits are found in a belt "sander".

@peterjones6945 5 лет назад

The easiest way to get large compression springs is visit a motorcycle junk yard. Front forks and rear shocks come in all sorts of lengths and diameters. Rusty rear shocks with 'blown' dampers are real cheap, rarely more than thier weight in scrap value

@keithshreve6736 7 лет назад

Excellent video!

@YvesPartouche 6 лет назад

wonderful job. Congratulations from France

@MakingStuff 6 лет назад

Thank you. Glad you liked it.

@dimitarstoiloff4101 10 месяцев назад

Amazing work man!

@MakingStuff 10 месяцев назад

Thanks a lot!

@opstube 7 лет назад

building stuff with metal, with metal. great :)

@keithshreve6736 7 лет назад

Excellent Video !

@Dennis-zx1ez 5 лет назад

Great video and grinder!!

@MakingStuff 5 лет назад

Thank you!

@nissanzargari 7 лет назад

hi , it is very beautiful job

@GotItMade 4 года назад

Very much dig it.

@MakingStuff 4 года назад

You need to make one!

@MRNVCDIY 6 лет назад

Great video

@MakingStuff 6 лет назад

Thanks for watching!

@K3Flyguy 4 года назад

In regards to all the negativity with your welds, if it holds it is a functional weld. I have taught welding for years. Some students that just have the knack, others should just stick with nuts and bolts. Most fall somewhere in-between. Your welds without a doubt will hold just fine, and that's their only function. On the topic of your grinder, seriously very well done! Great video construction, music was appropriate for the topic, editing was good, lighting good, in all nicely done! One thing you may consider, I suggest you need a few stickers on the grinder. Perhaps AC/DC, KISS, METALLICA, and or RUSH, and then paint some flames where appropriate! I'm just having fun with you, but in all sincerity thank you again for sharing your time, and skills with us!!!!

@MakingStuff 4 года назад

No it hasn't fallen apart yet, LOL. Thanks for your comment. Knowing my luck I'd get some type of content ID strike from RU-vid even for a sticker.

@pwntagerz 4 года назад

Neat grinder! Been planning on making one for years but I ended up buying one of the Polish ones on Ebay cause I figured I'd screw something up

@mopedwarehouse 7 лет назад

safety tip. when converting the spring run a rope tbrough center of spring in case it lets go.

@MakingStuff 7 лет назад

That's a really good idea. I'll remember it for next time.

@bobbg9041 6 лет назад

You better park your tractor at my house for Safety!

@user-yj5gc5yi2g 4 года назад

А мне всё понравилось. Молодец мастер. Теперь ещё ленточную пилу собери, вообще отлично будет.

@johnbravo7542 6 лет назад

Liked it!

@andreamodiano 7 лет назад

Thanks. Bravo !

@5j1o3h6n 7 лет назад

nice informative vid and link to cutting list.very helpful as i make my grinder,cheers from the u.k.

@MakingStuff 7 лет назад

Thanks for watching!

@markgrevatt4867 6 лет назад

Wow excellent build love to make the same 👍👍👍👍

@MakingStuff 6 лет назад

Glad you liked it, thanks for watching!

@QDAwdASDsdASD 7 лет назад

Nice work!!!!!

@michaelcope3864 4 года назад

Someone needs to make a no weld version. Not everyone has a welder

@patw999 6 лет назад

Hello, I built the exact same model except it was right hand drive and had the exact same problem with tracking. There's a guy here who built the first of this style, can't remember his name but after watching his video 20 times it turned out that the top swivel piece for the tracking roller ended up being the problem. I had made it just a bit to far to the inside by the belt, it needed to be closer to the metal upright. Once I got that fixed it ran a lot better as far as tracking went. Great shop build though Thumbs up!!

@lennyf1957 6 лет назад

Giving you a thumbs up in spite of the awful music 'cuz it was a great build. Nice job

@MakingStuff 6 лет назад

Thanks for watching! Music on newer videos is gone, can't remove it from old videos.

@baddinosaur1548 6 лет назад

Cool video. You really know how to make things. For the rest of us, we have to buy our stuff. Thanks

@archangel20031 5 лет назад

Extension springs can work like they were compression springs, you just have to mount them differently.

@allanlavallee7171 5 лет назад

Nice build

@MakingStuff 5 лет назад

Thank You!

@mnastreeservice 5 лет назад

Nice job!

@MakingStuff 5 лет назад

Thank You!

@billroberts8571 2 месяца назад

Real good video bro lot of knowledge thank you I like these treadmill motors.there small with a lot of power you can get a lot of speed out of them

@cjc1216 7 лет назад

awesome , sir you gone and got yourself another subscriber

@heshamaped2462 4 года назад

احييك على مجهودك

@poordecisionsgarage9834 7 лет назад

Very nice!

@damiensuziesodenkamp8290 6 лет назад

After stretching the spring you should put it in the oven at about 280'c for half an hour and the will stress relieve the wire and give you a much longer life from the spring. Im a spring maker by trade.

@MakingStuff 6 лет назад

Thanks for the tip, I'll have to try it.

@milverrodriguez6439 3 года назад

Bien por ese trabajo bien echo

@MakingStuff 3 года назад

Gracias!

@richardbrown295 7 лет назад

that into is very cool

@marksstudio 4 года назад

Buddy it might be a little out of square, but I loved your video. Now I know how to put to use the treadmill motor I've been saving. Good job man.

@MakingStuff 4 года назад

It hasn't fallen apart yet, lol. Thanks for watching!

@johnmclarnon5890 2 года назад

Yeah, like taurus dragon stated, your welds need a lot of improvement. I was a certified boiler maker, and I also have been welding for 30 + years and the welds have to be perfect. Take some lessons from a certified welder and stop drawing the beads and push them, holding the torch at a 90 degree angle to the workpiece and you will get much better or perfect welds. Also, watch out for the cold lap, this is proof that your welds are only connected to one of the base metals. And yes, your inventions/designs are AWESOME, keep up the great videos. Cheers

@buckaroosol 6 лет назад

Awesome man, nice toys, nice work!

@MakingStuff 6 лет назад

Thank You!

@buckaroosol 6 лет назад

Making Stuff np thank you for the video

@craigmac1516 5 лет назад

Awsome....

@sabuthomaskora8259 6 лет назад

congratulation good work

@xyz-bz1fc 2 года назад

That is one heck of a terrific looking and well built tool box! Well done! I would like to dabble in metal work, but not sure what type of welder to buy. It looks like a lot of fun.

@MakingStuff 2 года назад

Thanks 👍

@johnbiggs7620 7 лет назад

uuuuummmmmmm this is so awesome

@d.comeaucustomknives2677 7 лет назад

Awesome build. Love the spring conversion!

@langhilau 7 лет назад

Looking at the heights of your welds it appears you either need to slow down the wire feed or increase the amps a bit. The last thing to consider is you are moving the gun to fast since the puddle is not leveling itself out, but instead it is just making a mound of non-penetrating metal.