· Welded body with steel plate and high intensity.
· Adopts combined pneumatic friction clutch and brake.
· Cluster gear adopts the flooding oil lubrication.
· Six-face rectangle lengthen guide.
· Equipped with hydraulic overload protecting device.
· JH21-25/25B/45 adopts manual shut height adjustment, among these types JH21-25/45 adopts scale display and JH21-25B with digital display. JH21-63 and above type adopts electric shut height adjustment with digital display.
· JH21-25B, JH21-45 and above type equipped with balance cylinder.
· Duplex valves imported from Japan.
· Electric compelling grease lubrication system.
· Controlled by PLC of international brand.
· Buttons, indicators, AC contactors, air circuit breakers and other controlling devices are uses international brand.
· Equipped with optional air cushion device, automatic feed shaft and photoelectric protector, which can be used to work with various automatic equipments.