This article introduced the double pin roll breaker's survey and the tooth profile and the roller tooth arrangement design situation analysis briefly.

介绍了双齿辊破碎机的概况和齿形与辊齿布置设计情况。

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Wrist pin end carried on double row long cylindrical roller bearing.

连杆小端装有双列长圆柱滚子轴承。

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The AC Servo-System drive is used instead of the traditional CAM driving mode to keep the synchronization of the pin-roller motor.

采用交流伺服驱动代替传统的机械式的凸轮传动机构，实现针辊电机与主电机的同步驱动。

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The idea being that a pin and roller style music box is inserted into the movement of a traditional mechanical wrist watch.

FORBES: Luxury Music Box Wrist Watch Plays "Strangers In The Night"