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我厂有一种m=20,Z=16的圆柱齿轮,由于受齿轮加工设备条件的限制,不能加工。若在铣床上用成形片铣刀单齿加工,因为模数较大,成形切削表面大,易产生振动,光洁度差。另外,加工精度也低,满足不了技术要求;再者刀具的制造刃磨也比较困难。为了解决这一问题,我们在B665牛头刨床上改革了一套专用工装,以齿轮齿条传动和分齿,自动走刀切削,以展成法成形,满足了生产及技术要求,效果较好。
I plant a m = 20, Z = 16 cylindrical gear, due to gear processing equipment conditions, can not be processed. If the milling machine with a forming piece cutter single tooth processing, because of the larger modulus, forming cutting surface, easy to produce vibration, poor finish. In addition, the processing accuracy is low, can not meet the technical requirements; In addition the tool manufacturing sharpening is more difficult. In order to solve this problem, we have reformed a set of special tooling on the B665 shaper to gear and rack the gears and cut the teeth automatically. The method of forming is used to meet the production and technical requirements and the effect is better.