The hydraulic grinding machine of model YFMJ can be designed and manufactured into three types, that is,single-headed, double-headed and multi-headed. This grinder can improve the grinding speed and accuracy, for it combines the rough homocentric grinding with sand paper and the subtle excentric grinding with whetstone, and the whole grinding process is controlled by hydraulic system. The maximum it can grind are the gate valve body with caliber for 800mm. After grinding, the roughness of the surface of the workpiece can reach 0.2μm, and the radial goodness of fit is above 80%. The main functions of this grinder is as follows: the angle of the emplacing and clamping workbench is adjustable, the speed of the grinding head is adjustable, the throw of eccentric of the grind head is adjustable, the grinding head is flexible. This product has the following features, simple structure, easy operation, high dependability, wild use etc. This grinder will improve the working efficiency and the economic profits extremely. In addition,the multi-headed valve grinder of model YFMJ can be designed and manufactured according to customers′requirements. 

Single-headed Hydraulic Valve Grinding Machine of Model YFMJ 

Double-headed Hydraulic Valve Grinding Machine of Model YFMJ