Manufacturing And Production Technology
The example of snag grinding is

Removing flash on forgings
Trimming the surface left by spruces and risers on castings
Grinding the parting line left on castings
All of these

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Manufacturing And Production Technology
In plunge grinding

The work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
The work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
The work rotates in a fixed position as the wheel feeds to produce cylinders longer than the width of wheel face
The work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face

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