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过去我厂磨削齿轮(m=4,z=34、β_0=6°)内孔时是在M131W外圆磨床上用三爪卡盘夹持齿顶圆进行的,但质量不好。为此,我们设计了斜齿内孔磨削支架,采用分度圆钢球定位,具有定位精确、刚性好的特点。穿入磨床头架的心轴1(附图)、十字接头2带动传动轴6并使夹具旋转。传动轴由支架支撑,外锥套11与法兰盘8用螺栓联接。弹性钢套12两端各开有三条位置相互错开的窄槽,槽的长度为钢套宽度的2/3。弹性钢套
In the past, when grinding the inner hole of the gear (m = 4, z = 34, β_0 = 6 °), we used a three-jaw chuck to hold the addendum circle on the M131W cylindrical grinder, but the quality was not good. To this end, we have designed a helical bore grinding bracket, the use of indexing ball positioning, with accurate positioning, good rigidity. Penetrate the mandrel 1 (figure) of the headstock of the grinding machine, and the cross joint 2 drives the driving shaft 6 and rotates the fixture. The drive shaft is supported by the bracket, and the outer sleeve 11 and the flange 8 are bolted. Elastic steel sleeve 12 at both ends of each open three slots staggered position, slot length of the steel sleeve width 2/3. Flexible steel sleeve