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电力机车传动齿轮的简易探伤法湖东电力机务段(大同037300)刘宪SS4电力机车传动齿轮是锻制的。大齿轮由齿圈和齿轮心组成。组装时将齿圈加热至200℃以下,套在齿轮心上,然后车削加工、滚齿、倒角、中频表面淬火、磨齿。其齿面中频表面淬火硬度为HRC52...
A simple test of electric locomotive transmission gear Hubei Electric Locomotive Depot (Datong 037300) Liu Xian SS4 electric locomotive gear is forged. Gear consists of a ring gear and a gear wheel. Assemble the ring gear heated to below 200 ℃, set in the heart of the gear, and then turning, hobbing, chamfering, IF surface hardening, grinding teeth. Its tooth surface IF hardness quenching HRC52 ...