What grinder is this?

R

Randydb

Joined
Sep 27, 2014
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1,108
I just came across this. What is it? You can't really see it but the bottom wheel is a serrated wheel and it looks like there is a small rest there too. I texted the guy to ask what length the belts are but haven't heard back yet.

chilgrinder.jpg
 
Guy says it is a 2.5x133. Motor is 1 hp single phase 220v. If i could pick this up for $400-500 would I be doing okay? Or is it just wrong for grinding knives?

Randy
 
It looks like a 2x72. Belt driven, so you may be able to upgrade to step pulleys. Not sure what kind of motor is in it though.

I saw the ad, and the guy said it's a custom grinder. If it runs and is ready to go, it may be worthwhile.

On the other hand, I just saw the knifemaker.ca is now selling the KMG!!!
 
Randydb said:
Guy says it is a 2.5x133. Motor is 1 hp single phase 220v. If i could pick this up for $400-500 would I be doing okay? Or is it just wrong for grinding knives?

Randy
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Can you weld? You may be able to modify it to 2x72 size.
 
For that kind of coin you could get the Grizzly. I'd keep looking but that's just me.
 
S.Alexander said:
Can you weld? You may be able to modify it to 2x72 size.
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I don't weld, but my son's friend is a genius when it comes to manufacturing and welding...his dad owns a large machine shop. The kid welded up his own air boat (think everglades) out of aluminum. My son and his buddy made a flame thrower too. I've had him weld up a few things for me. He would pop this down to a 2x72 pretty fast. Would cost me a couple pizzas and a dozen sodas.
 
I would say that if you have a connection to a machine shop, i would skip this, get the cad files or drawings for a No weld grinder, eerf grinder, or the like and see if he can make it. That seems like a better option than throwing out the coin for this and having to cut it up. I would bet if you can get the plans, he can fab you one up cheaper than what this one would cost. You would have to buy a motor but that still may end up cheaper overall.
 
Grayzer86 said:
I would say that if you have a connection to a machine shop, i would skip this, get the cad files or drawings for a No weld grinder, eerf grinder, or the like and see if he can make it. That seems like a better option than throwing out the coin for this and having to cut it up. I would bet if you can get the plans, he can fab you one up cheaper than what this one would cost. You would have to buy a motor but that still may end up cheaper overall.
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This was running through my mind. I could cut the parts and get everything together and then get Schuilly to weld it up for me. But I feel bad getting a 16 yr old kid to do it on the cheap for me. I don't feel so bad when I am feeding him pizza and pop for an hour or two of his time.
 
JG Custom Metal Works said:
The plans grayzer referenced are no weld. There's no welding needed. If you can get the parts cut, you're in business.
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Okay I am hijacking my own thread! I've been looking at grinder plans too. Is a no weld equally as good as a welded grinder? It just seems odd to me. I can cut parts so that isn't the issue.
 
Randydb said:
Okay I am hijacking my own thread! I've been looking at grinder plans too. Is a no weld equally as good as a welded grinder? It just seems odd to me. I can cut parts so that isn't the issue.
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"As good" is kind of subjective but they work fine. A lot of makers out there making beautiful work using grinders made of square tubing and bolts. KMGs only have a couple welds and the rest is bolted together. A lot of big name grinders are bolted together for the most part. Look at willmont, poller bear forge, pheer, etc... Not much welding going on
 
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Building grinders- good ones - can be expensive. I've read that the no welds often end up being a pain to get by with let alone to be able to count on. I bought a Bee many years ago. About 35, I think I upgraded it and built a clone . It now has a variable speed and a different platen; the clone has a 10" smooth wheel. They both are variable speed and operate as they should.
Frank
 
Oh yes, it is not difficult to take a grinder such as this one and change it to a 2X72. I did 4 or 5.I couldn't weld so I bolted the extension on.
Frank
 
The guy who built my grinder lives in Sundre Alberta. I think he also makes bolt together kits. TDM Grinders.

IMG_20150807_231224_zpsxpdaqcls.jpg
 
As to what type of grinder it is, it looks like an early Burr King or a clone. The belt size is easy to get and more efficient than a 2X72. The motor almost surely can be re-wired for 110V. It can be easily replaced with a three phase motor and VFD, too. Those type grinders are made for metal grinding and are excellent for knife work. I would recommend buying it.
 
Poor photo, so I'm guessing

It looks to me like what the English call a

"Backstand Grinder"

3003h.jpg


The tracking mechanism was sold separately and you make whatever you want with whatever you have.
 
Looks like a mostly homemade job to me, though it's hard to tell just from that picture. That said, it doesn't look like a bad machine. I'm not sure I'd personally offer $4-500. Maybe about half of that.

For the same money or less, you can get a sling grinder kit and have about the same capabilities with a grinder already set up for 2x72 belts.

To answer your question on the NWGS, I built one years ago and still use it to this day. I've made a couple of mods over the years to make it a little more rigid, but going straight off of the plans will still give you a good bang for the buck machine that is quite versatile.
 
I would jump on that, I got the pleasure of trying 133 and it's awesome. The belts are actually cheaper than 72. I'd buy one of I could ever find one
 
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