Through testing,scraping and adjusting to M131W common external grinder,turning and balancing knife grinder reasonbly and carefully, ultraprecision and low roughness parts can be worked.

• 通过对M131W普通外圆磨床进行必要的检测、刮研和调整,合理地、精细地修整平衡砂轮,能够磨削出超精度、低粗糙度的零件。