本文介绍了一种送丝性能稳定、可靠的推拉脉动送丝机及其工作原理，分析了送丝稳定性的影响因素。
A stable, reliable push-pull pulsed wire feeder and its working Principle are introduced. Effective factors of wire-feed stability is also analyzed in this paper.
对送丝电动机、减速箱、送丝滚轮以及焊丝盘对送丝稳定性的影响进行了深入地分析，并给出了相应的参数；并对平面式、三滚轮行星式和对滚轮行星式送丝机构的特点作了仔细的分析。
By detailed analyzing the influence of the wire feeding electric motor, the deceleration box, the wire feeding roll and the wire reel on wire feeding stability, it points out the relevant parameters.
高质量的焊接在很大程度上决定于送丝机构的性能，模糊控制相对于传统的PID控制，具有更高的系统鲁棒性和稳定性。
Welding quality depends on the performance of welding wire feeder on a great extent. Fuzzy logic control (FLC) has better robustness and stability than conventional PID control.
因此电弧电压的稳定性取决于送丝速度调节的快慢。
Thus the stability of arc voltage is depended on that wire feeding speed is fast or slow.
这大大减小了电机的惯性，将其用于送丝系统将有望提高电弧电压的稳定性。
The stability of arc voltage may be improved by H-bridge driving circuit used for wire feeding system.
这大大减小了电机的惯性，将其用于送丝系统将有望提高电弧电压的稳定性。
The stability of arc voltage may be improved by H-bridge driving circuit used for wire feeding system.
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