1125100
WPC 1000 User Manual
G-4
Glossary
pinch point
The hazardous area between the upper and lower die from
which OSHA mandates that the operator should be protected
by installation of safety equipment such as light curtains, two-
hand controls, and other barriers.
PMA
Stands for Precision Metalforming Association.
reset
A command issued by the operator that allows the press to
resume operation after it has been stopped due to a
malfunction. The “reset” command clears the fault message
from the WPC 1000 display.
resolver
An electrical component mounted on the press used by WPC
1000 to provide continuous information about the position of
the crankshaft and to maintain a count of the number of
revolutions it makes. The resolver, which has internal
windings and works on the principle of inductance, turns at a
one-to-one ratio (1:1) with the crankshaft.
response time
The length of time it takes the WPC 1000 control to activate
the machine’s brake.
safety distance
The distance from the pinch point that OSHA requires safety
equipment such as light curtains, two-hand controls, and type-
B movable barriers to be mounted to assure the safety of the
operator. The safety distance is calculated using a precise
formula set by OSHA regulations and/or ANSI standards. The
formula uses the results of the ninety degree (90°) stop-time
test.
start time
The amount of time it takes the resolver to start turning after
the Dual Safety Valve (DSV) is energized.
stopping angle
The number of degrees of crankshaft rotation required for the
press to stop after a “stop” command is issued. The stopping
angle is calculated by subtracting the crankshaft position when
the dual safety valve (DSV) is closed from the press’s position
when it actually stops. The stopping angle is useful in
determining where to set Top Stop and in die-protection
settings.
stopping time
The length of time it takes the crankshaft to stop moving after
the Dual Safety Valve (DSV) deactivates.
strokes counter
An LED display available as a WPC 1000 option that
maintains a count of the number of strokes made by the press.
The strokes counter is incremented once for each cycle of the
press.
suppressor
A component that reduces or eliminates electrical noise.
synchronous time
The ANSI term for palm time.
TDC
Abbreviation for top dead center.
Содержание WPC 1000
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