Manufacturing And Production Technology
Flank wear occurs mainly on the

Front face only
Face of the cutting tool at a short distance from the cutting edge
Cutting edge only
Nose part, front relief face and side relief face of the cutting tool

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Manufacturing And Production Technology
A better machinable metal is one which gives

Higher chip-tool contact area and larger shear angle
Lower chip-tool contact area and smaller shear angle
Lower chip-tool contact area and larger shear angle
Higher chip-tool contact area and smaller shear angle

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