This paper discusses the thermal travelmotion of a main shaft in machine tools, and the mechanism of its significant influence on manufacturing accuracy.
People who experience seasickness are those who are not conditioned to travel by sea or who cannot stand the swaying motion of the boat brought about by the waves.
经验晕船的人谁是谁不是条件，以海上旅行或谁不能袖手旁观的摇摆运动的船所带来的浪潮。
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The circular arc automatic door is reciprocating swing, and its motion parameters are the number of swing per minute, the size of the swing Angle and the travel speed ratio coefficient.