Clamp:
Clamp is a basic element of
workholder.The action of pressing the workpiece against the locating surface
and hold it against the forces acting upon it is known as clamping.
Basic rules of applying clamping
forces:
Ø Clamping
force should be directed towards the nest or locating surfaces.
Ø They
should be arranged in such a way that the thrust of cutting tool is at a
required distance from the clamp.
Ø Clamping
forces are to be applied on the heavy and strengthy portion of the workpiece.
Ø Clamping
device should be designed in such a way that it would act for the specific and
the correct work.
The above discussed points of rules of
applying the clamping forces should be maintained mandatorily otherwise
workpiece on which operation to be performed may collapse.
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