【摘要】 提出了测速轮与焊管接触压力计算方法 ,设计了一种适用于短带定尺焊管生产的新型测速机构。经实践使用证实 ,该结构设计合理 ,运行可靠更多还原

【Abstract】 A new method has been developed to calculate the contact force between tachometric wheel and tube, and based on it a new tachometer has been designed, which is reasonable in design and reliable in work.更多还原