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我厂在大批或中批生产圆柱齿轮时,采用如图所示的內孔自动定心卡具,磨削高频淬火后的齿轮的內孔,效果很好。这个卡具的特点是:结构简单,制造容易,效率高,便于操作;而且磨削出来的齿轮的內孔,节圆振摆、端面振摆以及齿向误差等都能达到较高的精度,完全可以满足2～3级(新标准7～8级)圆柱齿轮各项精度的要求。这付卡具是用三爪卡盘作主体,将原求的三个爪子取下,重新制造一套新爪子。先将带有T形槽的滑座1用內六角螺钉9拧紧在卡盘上。再把T形滑块2穿到滑座內,用调整螺钉3与它联接,然后用圆柱销8将调整螺钉3锁住,以防移动。支承钉4固定在定位套5上,套5装在
I plant a large number of or in the production of cylindrical gear, the use of the hole as shown in the automatic centering fixture, grinding the gear after the high-frequency quenching bore, the effect is very good. The characteristics of this fixture are: simple structure, easy manufacture, high efficiency, easy to operate; and grinding out the inner hole of the gear, pitch circle pendulum, face vibration and tooth orientation error can achieve higher accuracy, Fully meet the 2 to 3 (the new standard 7 to 8) cylindrical gear accuracy requirements. This pay card is a three-jaw chuck for the main, the original request of the three claws removed, re-create a new paw. First slide the T-slotted carriage 1 with hexagon socket head cap screws 9 onto the chuck. Then T-shaped slider 2 into the carriage, with the adjustment screw 3 connected to it, and then use the pin 8 will be adjusted to lock the screw 3 to prevent movement. Support pin 4 is fixed on the positioning sleeve 5, sleeve 5 installed