Manufacturing And Production Technology
The chamfering is an operation of

Enlarging the end of a hole cylindrically
Reducing the diameter of a workpiece over a very narrow surface
Embossing a diamond shaped pattern on the surface of a workpiece
Beveling the extreme end of a workpiece

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Manufacturing And Production Technology
A fixture is defined as a device which

All of these
Holds and locates a workpiece during an inspection or for a manufacturing operation
Holds and locates a workpiece and guides and controls one or more cutting tools
Is used to check the accuracy of workpiece

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Manufacturing And Production Technology
Trepanning is an operation of

Sizing and finishing a small diameter hole
Smoothing and squaring the surface around a hole
Producing a hole by removing metal along the circumference of a hollow cutting tool
Making a cone-shaped enlargement of the end of a hole

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