underdrive press: any press with the drive
located within or under the bed, and with the connections within or alongside the
unintended actuation: an inadvertent stroke of
the press, not initiated by an intentional or unintentional act of an individual.
uprights: the side members on a
straight side press.
energy curve: a graphical representation to show usable flywheel energy as
related to the point in the stroke where the work begins.
flywheel energy: the energy made available to do press work during the permissible
slowdown of the flywheel. NOTE: The permissible slowdown for which the flywheel is designed is dependent on the
characteristics of the drive motor.
walking beam: a transfer feed that is
capable of lift motion and transfer motion. Reference: crossbar transfer
feed; transfer feed; tri-axis transfer feed.
a type of slide adjustment installed at each die
station on transfer presses to enable individual adjustment of die height at each
(2): a means of press shutheight adjustment provided on knuckle
wedges: tapered hardwood blocks
used with a safety block.
workpiece: any material or part to
be placed into the dies for the purpose of having work performed on it.