Main features:
1) Welded body with steel plate and high intensity.
2) Adopts combined pneumatic friction clutch and brake.
3) Cluster gear adopts the flooding oil lubrication.
4) Six-face rectangle lengthen guide; JH21-315B/400B adopts eight-face lengthen guideway.
5) Equipped with hydraulic overload protecting device.
6) Electric compelling grease lubrication system.
7) Balancing cylinder adopts manual lubrication system.
8) Controlled by PLC with international brand