Sharpening Tool Steel Cutter
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Uploader Comments (Elbotool)
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When I watched the video I thought to myself "I bet there are a bunch of know-it-all comments about getting the tool too hot". He is turning wood with it. It will work fine.
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Your right, it does depend on the steel and HT. O1 at 63RC is tempered at 300f, whereas M2 at 63 is around 900f.
Judging by the oxide color on the tool (hard to do on video) I would say he has gotten to at least a deep straw which is 470f, too hot for regular tool steel.
IME if the tool is too hot to touch the EDGE is already too hot, the edge heats up much faster, also heating repeatedly, quench or no quench to that temp will induce stress, tempering is partly for stress relief.
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You can go up to about 375f without knocking the temper out of tool steel. HSS is even more forgiving. You will generate cracks quenching in water.
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gailons:i dont think so on needing 15 horses for round bit...i have a taig lathe ,small, and a south bend 9 inch...i use round bits for smooth cut...no real horse power needed for me...are you sure on the 15 horses???
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are you absolutely shure that is "tool steel"...tool steel is high carbon steel....if it is tool stteel it looks like it pretty hot ....maybe this is a HSS blank instead of tool steel? i could be wrong..it looks so much like HSS rather than tool steel..nice vid
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What about water cooling the tool bit?
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we used to make our own cutting tools in metal shop. We would grind them to spec, drop them into the forge, when cherry red we would drop them into a bucket of water. TADA hss cutting tool.
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should cut like butter
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I need to shape tooling for a metal lathe. What type of a grinding wheel do I need for this? Where do I get one?
fxstsharley 3 years ago
You can use just plain tool steel cutter. the size I use is 1/4 x 1/4 x 2 1/4 long. For cutting steel or any metal just grind more lightly to prevent getting too hot. Tool steel will stand a lot of heat before anealing the steel.
Elbotool 3 years ago
exactly what kind of tool is that? it's more radius then point so.... you'd need at least 15 HP to cut any type of metal with that type of grinding.... furthermore, who the hell cuts wood with a square blank that small? normally people use a chisel or a file to do that....
gailons 3 years ago
Apparently you don't know anything about working wood on a lathe.
Elbotool 3 years ago 8