Grinder motor with fixed speed

Ken H> said:
Just remember, the motorcycle, bass boat, golf clubs, etc are just for a hobby also..... well, the in case of a motorcycle it might be basic transportation replacing a car, but usually a bike is for fun weekend rides. Considering what can be spent on those hobbies the cost of a 2X72 grinder with all the attachments needed isn't all that bad. PLUS - tools tend to hold their value pretty good while that bike, boat, golf clubs in 3 yrs have dropped LOTS of value while the tools hold value nicely.

BTW, if you fill out your profile with location and age it will help us understand better what suggestions to make.

It sounds like you are pretty much my profile, enjoy learning new things and perhaps even building new tools?
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Updated profile
 
Stacy E. Apelt - Bladesmith said:
wwillimon - When I welcomed you to Shop Talk a couple months ago, I asked you to fill out your profile so we would know where you live. If you do, depending on where you live, you might get an offer for a free motor and maybe a can of quench oil.

In your hobby situation, I would use the grinder as-is. You can upgrade to VFD and/or another motor in the future if you think you need it. What brand grinder do you have?

I started over 60 years ago with files, sandpaper, and a sears 6" bench grinder. That was all I used for about 10 years. Years later I built a 3/4HP 1750RPM KMG clone. When I upgraded the motor to 1HP at 1750RPM I thought it was as good as it gets ... until I got a 1.5HP VFD Bader B# ... when I went to a 2HP Reeder VFD it was even better ... then water cooling .... then special platens ... then surface grinder attachments ... then specialty jigs ... it is a rabbit hole.
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I did go back and update my profile. I love the amazing heat treatment.
 
fitzo said:
I think that grinding slow is a great way to start. Don't need fancy ceramic belts unless you want supersteels with all that alloy carbides, so you don't need the speed. That low RPM makes you take your time, and you'll screw up a lot less. Mistakes happen REALLY QUICKLY. Take your time and make nice grinds instead of lots of grinds that aren't so swift.
I'm older than you, have two variable speed KMGs, and rarely run them over 50% with a 4" drive wheel. I don't like this hyperspeed that everyone runs nowadays, though I get why they do it.
Learn how to grind on a single speed. Then try variable...
My 2¢.
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I have been using a small 1X 30 grinder with 1/3 hp. Thanks for impute.
 
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