is a belt sander any good for hss tooling

[VicParticipant @vic]

Posted by Andy Thompson 3 on 30/07/2021 11:22:49:

Good point about the negative rake. I was going to add a 50mm wide steel plate for the belt to run on, them add a notched platform (but needs to slide in and out to get close to the belt when angle changes). Is there any way to grind a curve on the top of a parting tool? Thought about adding an extra small roller at the top.

My belt sander takes 150 x 1220 belts but I have a 50mm wide supplementary platen made from O1 steel that is easily fitted as required. I have both straight and notched tables to use both sizes of belt. Splitting down 150mm wide belts into three 50mm ones is straightforward. One thing I also did early on with my machine was to remove the soft graphite pad and replace it with a piece of 3mm thick steel. The graphite pad was too soft and deformed causing slightly rounded grinds in steel sometimes.

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