Application of MC KE300A converter in roving frame

In the spinning process, roving process has a pivotal position, with the development of power electronic technology, PLC control, variable frequency speed control, mechanical and electrical integration technology to replace the traditional mechanical structure, with new suspended spindle roving frame gradually replace the spindle roving frame, improve the reliability of textile machinery equipment, improve the quality of spinning and automation. Especially in recent years, the wide application of frequency conversion speed control technology in roving frame has made the roving frame have a broader development prospect.

Will according to the requirement of the spinning process, the roving sliver after roller draft from the front roller yarn, twisting, then according to the requirements of the winding shaping, the winding yarn on the bobbin, due to a yarn front roller speed is constant, and winding speed is in inverse proportion with the increase of the winding diameter speed down, traditional roving frame adopt mechanical cone wheel speed change mechanism, the belt on the upper and lower cone wheel movement, to change the winding and the lifting speed, complete the roving winding shaping. One of the factors that affect the quality of roving is the details of starting, stopping and inching.

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