Toggle Clamp0 pages
Vertical Handl
nnnn'tTdiïfcïlW
nnnnHOLDING CAPACITY
nnnnThe holding capacity listed for each
nnnnclamp refers to the maximum exter-
nnnnnal force that the clamp can safely
nnnnresist in its locked position without
nnnnincurring any permanent deforma-
nnnntion. For hold down clamps, holding
nnnncapacity is measured with the spindle
nnnnas close as possible to the handle, and
nnnnwill be less at the end of the clamp-
nnnning arm.
nnnnCLAMPING FORCE
nnnnClamping force, the amount of force
nnnnactually applied to the workpiece
nnnnby closing and locking the clamp, is
nnnngenerally less than the stated holding
nnnncapacity. This allows the clamp to
nnnnhave ample capacity to resist exter-
nnnnnal machining forces. Actual clamp-
nnnning force depends on many factors
nnnnincluding: spindle position, proper
nnnnspindle height adjustment, type of
nnnnspindle used, workpiece material, and
nnnnthe clamp's mechanical advantage. In
nnnnmost cases roughly 1/2 of the stated
nnnnholding capacity can be applied by
nnnnhand with medium effort.
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