clamp dwell
The time interval of the holding action of a CLAMP . Although
"dwell time" may be controlled manually, as with
the clamp of a hand-operated board chopper, the
term relates more accurately to the automatic
release of a clamp, such as in a BUILDING-IN MACHINE ,
which holds the pressure for a pre-set length of
time. When a clamp does not release immediately
upon completion of an operation, it is said to
have a "long" dwell. The typical GUILLOTINE cutting
machine has such a dwell; the clamp remains on the
pile being cut until the knife has risen to a safe
height, which prevents the knife from rippling the
sheets on its return motion and thus disturbing
the pile. (145 , 320 )
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