wire-feeder resistance

First, the thesis studied the variety roles of the wire-feeder resistance. And then the model of calculation resistance was developed and was verified by testing experiment.
本文首先从理论上研究了送丝阻力的变化规律,建立了送丝阻力的计算模型,通过实验对模型进行验证,最后提出了改进送丝性能的方案,给出了相关的计算模型。