Manufacturing And Production Technology
In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called

Gang milling
Straddle milling
String milling
Side milling

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Manufacturing And Production Technology
A better machinable metal is one which gives

Higher chip-tool contact area and larger shear angle
Higher chip-tool contact area and smaller shear angle
Lower chip-tool contact area and smaller shear angle
Lower chip-tool contact area and larger shear angle

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