Advantages 1. Spindle with double row needle roller bearings and cylindrical roller bearings combined to ensure the accuracy and stiffness requirements spindle 2.Transmission system using multi-polar spindle gear box, to achieve smooth transmission, shifting easily 3.Hydraulic system uses modular valves, small footprint, beautiful appearance, stable performance, ease of use and maintenance 4.Machine control system can easily choose manual, semi-automatic, automatic three ways to adjust working hours, using new digital dial code directly controlled roller system time and pause time