插齿机让刀机构的球面支承付(图1),由于长期使用及维护不当,很容易将球面支承付的球面部分磨成沟子。检修时发现这一球面支承付的外圈是轴承厂生产的,机床厂将外圈切成两半。內圈是机床厂自己配制的。日常 Gear shaper cutter body to pay the spherical support (Figure 1), due to long-term use and maintenance is not easy, it is easy to spherical support spherical part of the ground into the groove. Overhaul found that this spherical bearing to pay the outer ring is produced by the bearing factory, the machine tool factory will be cut into two halves of the outer ring. The inner ring is made by the machine tool factory itself. daily