6" verses 8" bench grinder

Barry Clodfelter

Barry Clodfelter

Knifemaker / Craftsman / Service Provider
Joined
May 29, 2007
Messages
579
Can you give me some input on the differences besides wheel size of the 6" and 8" bench grinder? What are the advantages and disadvantages of each?

Mainly I would like to use them in knife building from using a cut off wheel to grinding and polishing but also need it do other things like sharpen mower blades.

I have never owned anytype of bench grinder and your input is appreciated!
 
I wouldn't really recommend using a bench grinder for knife making. That being said, I'd get an 8" grinder since your wheels will last longer.
 
i got a 10 inch grinder and its ok for hogging off material and stuff. sure it isnt a belt grinder but it might have some use.

jake
 
Thanks for the responses.
I have a belt grinder for shaping and fine tuning the blanks so no worries there. I just wondered if one was better or more suited than the other for hogging off material and stuff.
 
Using a 8 inch grinder you gain 6.280 inches per revolution. At 1750 RPM that would be 10990 inches per minute of stone cutting metal. I just had too. LOL
 
the only thing i would use a grinder for is paper wheels. instead of using the grinder with cutting wheels, i would get a 4" grinder from harbor freight. they run less than $20. and work much better. i use one for profiling my knives and they work great.
 
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