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曲柄压力机连杆和滑块的连接基本上分球形连接和圆柱形连接两种形式。过去由于球形加工困难,球形连接一般只用于100吨以下的轻型曲柄压力机上。随着球形加工工艺的提高,目前在100吨以上的曲柄压力机也都采用球形连接。球形连接要求连接处球头和球碗的接触面积达60%以上。
Crank press connecting rod and the slider is basically divided into two types of spherical connection and cylindrical connection. In the past due to spherical machining difficulties, ball joints are generally only used for light crank presses under 100 tons. With the improvement of spherical processing technology, the current 100 tons of crank presses are also used spherical connection. Spherical connections require the connection ball head and bowl contact area of more than 60%.