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我厂机械车间生产M16～30的槽形螺母时,切槽工序原先是在牛头刨床上借助于虎钳来进行的,每次装夹一个,每个槽形螺母须装夹、找正三次才能刨完,单件工时为4分钟,刨槽后槽口处的螺纹因受刨削时的挤压力而产生毛刺,必须用丝锥再套丝一次,去掉毛刺后才能使用.针对这一生产课题,设计并试制成功了一台槽形螺母铣槽自动分度夹具.一次装夹7个槽形螺母,不须找正,走刀三次就可将7个槽形螺母的槽全部铣好,消除了槽口产生毛刺的现象,节省了再用丝锥加工的时间,效率提高4倍.目前该夹具使用情况一直很好.现将该夹具的结构与工作过程简介如下,供大家参考.
I plant machinery shop production M16 to 30 groove nut, the grooving process was originally in shaper with the vise to carry out, each time a folder, each slot nut to be folder, to find three times to Planing finished, single-piece working hours of 4 minutes after the slot after the slotted thread due to planing when the squeezing force generated burrs, and then must be set again with a tap silk, remove the burrs before use. In response to this production issue , Design and trial success of a slot nut milling automatic indexing fixture.A folder of 7 slot nut, do not need to find positive, three times the knife can be slotted slot nut all 7, eliminating The notch generated by the burr phenomenon, saving the time tap processing, efficiency increased by 4 times the current use of the fixture has been very good now the structure of the fixture and the work process is as follows for your reference.