Manufacturing And Production Technology
In metal cutting operations, the shear angle is the angle made by the shear plane with the

Perpendicular to the direction of the tool axis
Direction of tool travel
Direction of the tool axis
Central plane of the workpiece

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Manufacturing And Production Technology
In determining the various forces on the chip, Merchant assumed that the

All of these
Cutting velocity remains constant
Only continuous chip without built-up-edge is produced
Cutting edge of the tool is sharp and it does not make any flank contact with the workpiece

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