Collision force applied to the damper
presses the piston rod and pressurizes oil
in the cylinder. When generated hydraulics
pass through the orifice and flow into the
damper case, shock is absorbed.
Oil flowing into the damper case
pressurizes the air chamber and
decreases air chamber volume.
Note: With this product mechanism, internal
pressure increases with workpiece
speed during collision, generating
resistance and absorbing energy.
Resistance may thus appear low
when pressed with a finger, but this
poses no problem.
Collision
When the colliding workpiece is removed,
the piston rod is pushed out by the internal
spring. At the same time, the slit valve
(check valve) is opened by pressure in the
air chamber. Oil flows to the inner pipe and
at completion, the slit valve closes.
Return