Disc Grinder Project - Hooking up the VFD & Motor

New build project is underway! I'm making a disc grinder. In this video, we'll start with wiring up the motor and VFD.
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[@TheDeerInn]

Cool that they put numbers on the wires for those who are color blind can still enjoy the tools. I am going to have to pick up the speed control, thanks!!

[@Simplelittlelife]

Yeah I never thought of the numbers being that useful but makes sense, my dad is colour blind. These have been super rough and reliable for me and after using them I highly recommend them to anyone. Cheers👍

[@billyroque7857]

Damn it! Now I'm gonna have to make something like this.

[@lbcustomknives]

I use mine all the time. Would be lost with out I also did what you did mate and made my own then found a fantastic disc grinder from an old clock maker. Invaluable tool.

[@TomSommer]

Thanks for sharing. That's a commercial looking disk sander. Beautiful!

[@MethiasZa]

I don't know if you've already thought about it, but what works really well is to glue magnetic sheet to the aluminium disk and get some plate glass disks cut (just ever so slightly bevel the edges) and glue magnetic sheeting to them. Get a few plate glass disks cut. Then what you can go is have a set of disks, one for each grit you use. Changing the grits then is very quick and you only have to replace the sandpaper when its dead. It also means you can use normal spray adhesive, just get a paint scraper and scrape the disk clean when you change the paper. As an added advantage the centre is completely flat.

[@LifeinFarmland]

Dang, this is my kind of project! Love it, thanks for sharing. I was clueless on the wire nuts term but am learning. Even got the Timbits down. :)

[@Simplelittlelife]

Hahahaha! Right on Eric! 😆 Thanks so much buddy!

[@mystikite]

wonderful video! love the extra detail on the electrical!

[@Simplelittlelife]

Thank you very much! 👍

[@castledomeknives9395]

Can't wait to see your work

[@ManCrafting]

As soon as I saw the title of this video I thought of Geoff Feder. I noticed you linked him, so I'm guessing his love for the Disc was your inspiration.

[@Simplelittlelife]

Yeah it had a lot to do with it for sure! 👍 Especially when he talks about how much time he saves during handsanding 👍

[@Dubyatrader]

Thank you so much for making this video! You helped me a lot! Baldor doesn't label U V W and I had no clue which wires to connect to U V W. Keep up the good work!

[@Simplelittlelife]

Glad it helped 👍

[@jamesbarisitz4794]

Nice setup! I picked up a radial armsaw motor and threw a used cast iron disk platen on it years ago. Works great, but really fast. Shopping for a vfd 😃

[@SLAVIKTELY]

Prepping handle material and getting the right angles is my primary reason why I want one too. The 6" disk that I have does not have that accuracy as yours. That is why I try to stay away from making layered scales. And yes I would have no idea if you told me to bring you Marrettes. I would be looking for a pipe stretcher.

[@richardbohlingsr3490]

It's going to make a nice disk grinder and looking forward to you using it.

[@michaelshort7297]

Thank you for the Video. Merry Christmas to you and your family. Have a safe and happy holliday!!

[@Simplelittlelife]

You’re welcome Michael! Thank you for all the support! 🙏 I wish you a very Merry Christmas too! I hope you have a great holiday! Cheers👍

[@justinwilliams4212]

grab a silicone roller - to ensure the paper is fully flat on the disc. I believe that was a suggestion from Van Barnett's Instagram page. Also 84Engineering down in Oz has a super beefy disc rest - looking forward to what you come up with!

[@christopherconkright1317]

This is two years old but if you do the same thing people do for the 2x72 belt grinder a square steal tube and put a second tube inside and buy the 2x72 table that adjusts

[@andrew6745]

Very nice! I'll try making one, two!

[@johnwhitehead4809]

nice tutorial jeremy,electric motors and controllers and a lot of head scratching for me personally.

[@Simplelittlelife]

Right on! Hope it helps a bit👍 I used to wire up motors to VFDs all the time when I did airport conveyors👍

[@billbaggins]

should be an interesting project 👍 minor point on the switch..although it really doesnt matter, best practice is to switch the active (hot) wire instead of neutral.

[@TUDIU]

agree

[@LonniesGarage]

Nice....

[@Simplelittlelife]

Thanks! 👍

[@leebarker6188]

You make incredible videos Jeremy!!

[@zakfinley]

Nice! And I blame the wind for everything to!!😂 "you forgot to get milk?!" "I'm Sorry it was windy!!😂

[@Simplelittlelife]

Hahahaha! 😆👍

[@heyimamaker]

Really cool, you should get some of those missile toggle switches to turn it on :)

[@touchMelilbro]

Ohh boy

[@Simplelittlelife]

👍

[@aleksandrfilatov9194]

Kiku Matsuda grinds his compound-convex-whatever bevels by free hand on some sort of disc grinder, there are videos on YT. Though his disc looks more like a solid-piece abrasive stone instead of metal base with glued-on sandpaper. Anyway, looks like a very handy & capable tool.

[@Chadh4x]

I run my grinder (Northridge) with the reverse switch and it tracks just fine for sharpening.

[@gabe.robins0n173]

I’ve always wanted to try grinding on a disk sander

[@royrutten87]

CL stands for Current Limit. so this is normally the setting that let it stop when you put too much pressure on it. In this case if you jank down with a piece of someting and it is getting too hard for the dish to turn it can go into Current Limit. Not sure if it work with this setup though,

[@michaelshort7297]

You're very welcome, it's the least I can do for all that you give. Cheers back atcha! 🎅

[@griffithshandmade-knives]

Cool let us know if the hp drop from the 1hp to 1/2 hp running on 110v makes a big difference on what you are using it for. I guess you won’t be leaning into it that hard, but some materials are more stubborn than others.

[@thatgrillguy1891]

Can you show us how you use the disc grinder?

[@TheShadeTreeFixitMan]

Where did you source your disc from? I have a vintage 12" disc sander (Wico Motor disc) that has a little bit of runout on the disc. Thanks for your help.

[@andrewhunter2520]

flip any two wires to change the direction

[@cnrart.claudiorodriguez9978]

saludos ,y feliz navidad

[@theoclark4689]

did you ever finish the folder knife series? was really interested to see how that went. and Alec's damascus too

[@tfildaed]

Great information! Do you or anyone else have a link for that VFD? I never caught a model number.

[@jaredjones787]

Hey mate can you please do a video on creating a beautiful knife from steel that is not perfectly flat when you get it from the factory. I’m pedantic about flatness and I wanted to hear your opinion on what parts of a knife need to be perfectly flat. I am starting my first knife and the steel is slightly warped so I’m trying to sand it perfectly flat but I’m wondering if this is all just a waste of time because I am thinking that the only section of the knife that needs to be perfectly flat is the handle so the scales don’t have any gaps with the steel. Can you show us what you do with your steel to process it to perfect flatness if that’s what you try to achieve

[@jonbbidwell]

turn up the boost pot just so it runs smoothly at slowest desired speed.

[@hayter1234]

Awesome thank you! I am looking at doing a VFD for a used planer I picked up. Do you know the difference between the VFD KBAC and the cheaper ones on amazon. I am in canada as well and they are expensive. Thank you!

[@jamesmontgomery6343]

How much of a step up is a setup like this over a standard over the counter disc sander like a Grizzly?

[@harsevsingh6596]

great video as always! been watching some old vids, did you ever finish the frame lock folder with alec Steele's damascus?

[@maknifeandrods7701]

Tru-grit abrasive is cheaper and uses a bader motor. But I guess you can make one for more money.

[@legalsolutions07]

Is the reason for the power on/off switch because this unit at line voltage when plugged in?

[@castledomeknives9395]

Don Nguyen ,on IG, has some of the most amazing knife handles...his knives make it to the front cover of knife magazines.... anyhow..he has a short video where he shows his PRōcess on a horizontal disc grinder... it's amazing

[@gfidd]

can you post a link to the VFD you are using here

[@Junior-nv7ft]

Muito bom meu amigo

[@Islandbushcraftwildcamping]

Check out Chris Crawford and his true grit the disks are interchangeable the main disk has magnetic back plus make sure when u build the table it rapes around the disk on both sides mate just saying ha ha

[@AT02129]

If you’ve not watched Jeremey Schmidt’s video on his angle-able work rest i’d recommend that highly.

[@Simplelittlelife]

No I haven’t but now I will certainly take a look. Thank you so much! 🙏👍

[@AT02129]

@@Simplelittlelife No problem! Hope the video helped :)

[@danmichell7516]

WHEN u change the wire to permanent tape the marrettes to the wire .motors vibrate and connections can come lose

[@stephenranti173]

Did you get the Flat disc or the one that has the 1-1/2Deg pitch? I'm in the process of building one of these and am torn between the 2 discs. Thanks!

[@stephenranti173]

Another guy that has a good video on this is Nick Wheeler.

[@prettycleaver]

Hey Jeremy what motor are you using?

[@prettycleaver]

Sorry I missed it Baldor reliance

[@johnbladykas4885]

What is the address for kB Electronics, 9987, KBAC-24D (Gray), 1HP, 1-Phase, 110-120V;200-240V (Input), Nema 4X Enclosure, Variable Frequency Drives

[@pkilby67]

Reverse on the 2x72 vertical or horizontal IMHO should not be added. The small wheels bearings get used to going in one direction and can cause bearing issue when reversed. easy way to give it a try is flip your small wheel and see. I did this and caused bad vibration and all kinds of noise. Just my 2 cents...keep the videos going. I really look forward to seeing new ones.

[@jokkiossaka3306]

Lol, think you better buy good bearings... i do it more than 20 years....

[@shawngee5481]

Very nice work Jeremy. Did you get your Clash springs for your knife?

[@Simplelittlelife]

Hey Shawn! Yes I did! Thank you so so much! Video on that coming soon 👍

[@shawngee5481]

@@Simplelittlelife No worries my friend. I am glad you got them. If you need anything else just let me know!

[@chrisnixon2179]

Still waiting for the disk grinder work rest video

[@nastyrecon1019]

Bro, where did the gray in the beard come from!?

[@Simplelittlelife]

It’s called wisdom. 😆😆😆👍

[@chrisosh9574]

Wisdom huh? I must be smarter than I thought!

[@TUDIU]

where did you order the parts? (Motor & VFD)

[@Simplelittlelife]

I said it in the video....

[@aitf99]

Just to add to the confusion - T&B is an American company...why would they call wire nuts Marrettes? You could wire in a cheap rpm display Sexy wire stripper....

[@evaderknives]

I did the exact same thing 1hp with kbac 24 for my disc grinder & the 27d for my KMG... I actually put a reverse switch on my KMG. One problem, to run the KMG in reverse, you have to build a new arm. Or the belt will run off the wheel. Here this shows you what I mean. 6:50.. kzbin.info/www/bejne/ianVm3qMbtlknZY Great video, take it easy....

[@balsamforge4741]

Was thinking wow someone that cuts cabtire right....fail

[@kinnajppe_140]

Isn't 3 phase always 380 Volts? But you don't have 380 Volt stuff in your garages in canada or usa, do you? I've never seen it at least. In germany we have 230 V for everything and 380 V is 3 Phase. I'm just wondering, because you won't get a beefy drillpress for instance in germany that has only 230 Volts.

[@Simplelittlelife]

No, 3 phase can be different voltages. This FVD takes single phase (115V or 230V) and turns it into 3 phase. Slick as a whistle👍

[@kinnajppe_140]

@@Simplelittlelife ah okay, thanks. Do you know if it exists for 3 phase 380 volts?

[@Simplelittlelife]

I’m not sure....

[@kinnajppe_140]

@@Simplelittlelife Okay, i'll see if I find anything. Keep the great content coming✌ :D

[@Assd321]

@@kinnajppe_140 VFDs comes in all shapes and sizes. if you want one for a 3phase motor its best to get one with 3 phase in. A 3 phase motors use less power but you get a bigger effect. Its just that its not that common to have 3 phases in a normal househould over in america unlike in here in denmark where everyone got 3x400V + neutral goin into all houses.

[@randyughlee1750]

Please no more chewing gum while you're videoing! I have misphonia and it drives me nuts to hear some one chew or hear them drink!

[@declancrosse1356]

It so expensive then he uses a vfd

[@hullinstruments]

Those stupid phone notification noises are extremely distracting when trying to work in my own shop and stream your videos at the same time. I keep thinking it’s my phone. Extremely annoying

[@Simplelittlelife]

Almost (not quite but almost) as annoying as your comment.

[@dallinhmic]

Instead of switching directions on the motor why don't you just use the other side of the Disc Sander.