Manufacturing And Production Technology
In order to grind soft material

Medium grained grinding wheel is used
Coarse grained grinding wheel is used
Fine grained grinding wheel is used
Any one of these

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Manufacturing And Production Technology
Shrinkage allowance on pattern is provided to compensate for shrinkage when

The temperature of liquid metal drops from pouring to freezing temperature
The metal changes from liquid to solid state at freezing temperature
The temperature of solid phase drops from freezing to room temperature
The temperature of metal drops from pouring to room temperature

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