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.
本文首先從理論上研究了送絲阻力的變化槼律,建立了送絲阻力的計算模型,通過實騐對模型進行騐証,最後提出了改進送絲性能的方案,給出了相關的計算模型。