公开(公告)号：US3731359A

公开(公告)日：1973-05-08

申请号：US3731359D

申请日：1972-02-24

申请人： GLENN E

发明人： GLENN E

IPC分类号： B21D51/08 ,  B21D53/10 ,  B21K1/02 ,  B23P15/00 ,  F16C33/32 ,  B23P11/00 ,  B21D39/02 ,  B23P19/04

CPC分类号： F16C33/32 ,  B21D51/08 ,  B21D53/10 ,  B21K1/02 ,  B23P15/00 ,  Y10T29/49714 ,  Y10T29/49893 ,  Y10T29/53109

摘要： The apparatus and process for making hollow ball bearings which comprises means to stamp round metal blanks from flat metal stock, stamping round metal blanks, forming means to form the blanks, drawing and forging the blanks to establish pairs of concavo-convex hemispheres, spaced relatively shiftable welding electrodes with hemisphere receiving welding seat, arranging the pairs of hemispheres between two electrode welding seats with their concaved surfaces in opposed relationship, urging the rim portions of the opposed hemispheres into pressure engagement with each other and welding them together to form hollow ball bearings.

摘要翻译： 用于制造中空球轴承的装置和方法包括从平金属坯料上冲压圆形金属坯料，冲压圆形金属坯料，形成装置以形成坯料的装置和方法，拉拔和锻造坯料以建立成对的凹凸半球，间隔开 具有半球接收焊接座的可移动焊接电极，将两对电极对的两对电极座之间的对置相对的两个电极焊接座之间的凹面布置成相对的两个半球的边缘部分彼此压力接合并焊接在一起形成空心球轴承 。