By the action of the cutting force and heat,the fluon are very easy to deform.With the traditional art and equipment,the end product requirements can not be achieved.

• 聚四氟乙烯材料在切削力和切削热的作用下容易变形,用传统的加工工艺和工装加工聚四氟乙烯轴承保持架达不到成品设计的要求。