Manufacturing And Production Technology
EDM machining is applied for

Shaping carbide dies and punches having complicated profiles
Embossing and engraving on harder materials
All of the listed here
Making large number of small holes in sieves and fuel nozzles

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

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

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