B665牛头刨床走刀棘轮推动架因其受力摩擦情况，其内孔常会磨损呈椭圆形。如继续使用，有可能将推动架折断。若用压入镶套法恢复其尺寸配合精度，一来精度要求较高，再则有可能将支架壁撑裂，造成报废。而用如图所示的粘结镶套法予以修复，既可利用原有的磨损件，又可提高其使 B665 Shaper walking knife ratchet pushing frame because of its friction force, the hole often wear oval. If you continue to use, it may be pushed off the shelf. If you press the set method to restore the size with precision, precision to a higher one, then there may be split wall bracket, resulting in scrapped. But with the way shown in the adhesive set to be repaired, both the original wear parts can be used to improve its