全部

1·This article mainly introduces the design of coiler driving for aluminium strip non-reversing cold rolling mill, and the mechanical gear shift has been application to this driving design.

介绍了铝带不可逆冷轧机卷取传动设计的一般方法，以及机械换档方法在传动设计中的应用。

2·With the high-precision grinding between the shaft helical gear, reversing pass without gaps. tapping ensure accuracy.

同向周之间采用高精度磨削斜齿轮，正反转传递无间隙，保证攻牙精度。