I'm a newcomer to the Blade Forums. I'm considering purchasing a paper wheel sharpening system. I've been looking at threads here and various websites dealing with these systems. Apparently there is some differing opinions about shaft RPMs. The inches per second of grinding surface delivered varies a great deal between the RPM and the wheel diameter: 6" - 542/1084, 8" 722/1445, 10" - 903/1807 ips at 1725 and 3450 RPM respectively. Is there an ideal? I'll be making up something with a dual shaft arbor so I can deliver any reasonable speed by varying the motor pulley diameter. I know that experience and material properties both play a large roll, but there must be a range where heat build-up versus stock removal makes the most sense.
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1725 or 3450?
- Thread starter Bernoulli
- Start date
welcome bernoulli. there is a wealth of good information here. you cant go wrong with the wheels once you learn how to use them. i have 3 motors set up for wheels, 2 that run 1725 and my high speed buffer. i have a 3 step pulley on my buffer so i can slow it down when sharpening with the wheels.
i have tried both high and low speed for sharpening and i prefer the low speed. i feel that i have better control and the blade seems to not require cooling as often. i have never mentioned this before but when using the buffing wheel, the higher speed makes shorter work of finishing off the blade. i also sharpen a knife by holding it at the back of the wheel where i can see whats happening. make sure you have eye protection. also a good light is a necessity so you can see the burr work up. i also have a different way of preparing my abrasive wheel. i do not use the glue-grit method. if you have any questions feel free to contact me.
i have tried both high and low speed for sharpening and i prefer the low speed. i feel that i have better control and the blade seems to not require cooling as often. i have never mentioned this before but when using the buffing wheel, the higher speed makes shorter work of finishing off the blade. i also sharpen a knife by holding it at the back of the wheel where i can see whats happening. make sure you have eye protection. also a good light is a necessity so you can see the burr work up. i also have a different way of preparing my abrasive wheel. i do not use the glue-grit method. if you have any questions feel free to contact me.