Key Steps for Horizontal‑Spindle Rotary‑Table Surface Grinder to Ensure Sealing Performance in Valve Grinding

Valve sealing performance is a key factor for the normal operation of fluid control systems. Horizontal‑shaft rotary‑table surface grinders play a vital role in valve manufacturing. Precision grinding performed by these grinders enables valve sealing surfaces to achieve ideal flatness and surface finish.

Prior to grinding operations, the grinder shall first be calibrated to ensure the accuracy of the grinding plane. A suitable grinding wheel shall then be carefully selected. Its material, grain size and hardness must match the valve material to avoid excessive wear or insufficient material removal.

During grinding, grinding speed, feed rate and coolant supply shall be strictly controlled to prevent sealing‑surface quality deterioration caused by thermal deformation. Upon completion, ground valves require precise inspection to verify that dimensions and surface quality meet design specifications.

Such careful operations ensure every valve delivers reliable sealing performance within the system and extends its service life.