FYI, I got an email notification that Sharpeningsupplies.com is having a sale: 10% of on all Tormek jigs.
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Show posts MenuQuote from: cbwx34 on July 21, 2023, 03:27:21 PMQuote from: HaioPaio on July 21, 2023, 12:50:23 PMLots of assumptions about the speed of that leather disc wheel have been made here.
The RPM control at the machine seems to be set to a low RPM.
I could not find any information about the actual RPM in that video.
So, I do not know if it runs fast.
Well, here's the grinder (a Shop Fox W1839 that it says runs from 2000-3400 rpm), that he's apparently running in the middle of the range based on this.
Quote from: tgbto on July 17, 2023, 08:51:28 AMI agree. The leather wheel he's using sounds a lot like a paper wheel on the grinder, and I find that paper wheels introduce a lot more heat than leather belts, even with my 1/2 speed grinder.Quote from: 3D Anvil on July 15, 2023, 05:58:47 AMYep, that was my conclusion. I don't think the leather belts create near enough heat to affect the temper of the edge.
My two cents : I sometimes hone on the WS Elite/BGA with the leather belt, and I don't expect much heat production that way. In the video by the OP however, the speed seems much higher (and the high-volume high-pitch sound produced seems to back this up).
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