It is simple in structure, satisfactory to perform, and with low cost, to use a step motor drive for the letoffmotion device in a loom.
用步电机驱动的织机送经装置具有结构简单，性能优良，成本低廉，织物适应范围广等优点。
2
In the wide weaving machine, the difference of warp tension on two beams are reduced by using a differential gear train of let-offmotion double beams (side by side).
在阔幅织机上，以周转轮系差速器作双轴送经的方法可以通过机构自动调节来缩小两织轴的经纱张力差异。
3
The warp let... offmotion allows the feeding of warp yarn under uniform tension and at the proper rate.