There are some defects in traditional lapping method, e.g low machining efficiency, unstable machining accuracy and high machining cost.The research of new lapping methods has become an urgent issue.

• 但由于以往的研磨方法长期以来存在着许多弊病，如加工效率低，加工精度不稳定，加工成本高，这就促使人们不断的探索新的研磨方法。