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Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble
Strawberry Orange Banana Lime Leaf Slate Sky Blueberry Grape Watermelon Chocolate Marble

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I know there are 2 different type of bench grinders. High speed and low speed. Plus jigs to get the correct angles. Are you able to sharpen on a high speed bench grinder too?

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Keep a container (ex: plastic butter tub) of water near by. Dip the tip of the tool into it about every pass over the wheel. It will help keep the metal cool. 

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If you use CBN wheels the thoughts now are that it does not make a =difference. A light touch is best when sharpening as unlike reshaping you are only removing a small amount of metal . Cooling with water I will have to disagree with Lew on this as with HSS which most modern steels for turning are that or better and cooling is not needed , even if the steel turns blue the temper is not affected.

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Thanks guys for the posts - It's always to learn from the "experts" and the Old School folks

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35 minutes ago, Gerald said:

If you use CBN wheels the thoughts now are that it does not make a =difference. A light touch is best when sharpening as unlike reshaping you are only removing a small amount of metal . Cooling with water I will have to disagree with Lew on this as with HSS which most modern steels for turning are that or better and cooling is not needed , even if the steel turns blue the temper is not affected.

 

I cool any steel while reshaping because sometimes it gets too hot to hold.  For touching up a dull edge I see no need to cool it.  I can get it hotter using it.

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