Description
The most simple but precise part , the angle is 28° ± 0.1， linear diameter tolerance is 5 μm
Ring Dia. 65mm, 84mm, 102mm,110mm, 120mm,135mm, 150mm, 160mm, 180mm, 190mm.
Material: 100Cr6
Process：Forging+CNC machining + Heat treatment + CNC machining ( HRC 60)+ Grinding
Application：Hydraulic
