Manufacturing And Production Technology
Misrun is a casting defect which occurs due to

Insufficient fluidity of the molten metal
Improper alignment of the mould flasks
Absorption of gases by the liquid metal
Very high pouring temperature of the metal

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Manufacturing And Production Technology
The chamfering is an operation of

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

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