Cutting down HSS tooling to smaller width/depth

[Ben17484]

For reference, My 250-101 bottom ledge is .440” thick. My 250-101 XL bottom ledge is .415” thick.

Hmm. I’ve miscalculated here somehow then. That works out at 0.6mm difference. From dimensions I found on the internet I thought it was 2mm difference. Maybe my fraction to metric conversions were wrong.

If that is the case, I will just stick with 10mm tooling for now. It’s easier to do that then modify the compound or tool holders and by the sounds of it, it’ll make no real difference to someone of my skill level.


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[Ben17484]

What lathe is this? I had someone mill .100" off the top of my mini lathe compound so I could use AXA stuff.

It’s a Warco GH600


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[Ben17484]

Once the tool bit is in the tool holder, center distance of the cutting edge can be established by grinding the top of the tool bit near the cutting edge. Grinding a back rake is common, so just taking some more off the top is doable. You only have to grind a small part of the bit, and don't have to be precise.

This had occurred to me, but I didn’t know if this would cause chips to not be ejected well enough as they may get caught on the larger shank behind the cutting portion?


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[Provincial]

There are so many variables in materials, speeds, feeds, and cutting edge design that it is impossible to predict that. One can only modify one variable and see what happens. Since it is HSS, modification will be easy.