It is simple in structure, satisfactory to perform, and with low cost, to use a step motor drive for the let off motion 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。
Some improved techniques of the loom are introduced, and the electronic let-off system is developed, which consists of three parts: driven motor, controller and warp tension testing.
文章介绍了织机送经机构的改造技术，讨论了电子送经系统的动力、控制、张力探测部分的设计准则和选用方法。
Some improved techniques of the loom are introduced, and the electronic let-off system is developed, which consists of three parts: driven motor, controller and warp tension testing.
文章介绍了织机送经机构的改造技术，讨论了电子送经系统的动力、控制、张力探测部分的设计准则和选用方法。
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