Grooving on the Lathe - 6: Repeated Cuts
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WARNING: Machine tools present a safety hazard. Improper operation can result in severe injury. These topics are for non-laboratory study only and are not to be used in conjunction with the operation of any tool or machine described herein. Never use a machine tool without the supervision of a qualified instructor.
After successfully establishing the location of the groove and taking the first cut, the majority of the difficulty is past. Repeated plunges of the tool into the material with 100% surface area contact creates quite a chip load on the tool. Remember that there is no place for the chips to go when the tool is deep inside the part. During the initial plunge cut, frequent backing out of the tool is required to remove the chips. When grooving, the chips may roll up like spools of ribbon. This is actually the more desirable chip configuration. Sometimes the type of grooving tool is important. Carbide insert types exist, and brazed carbide as well as high speed steel tools are used too.
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label: lathe gorove, grooving, cutting tool, setup, feeds and speeds, cuttting, widening, measuring, parrting cuttting off