The paper analysed the disadvantages of domestic LHD 700/5 flat wire stretcher, when it produces flat copper wire, according to the working principle of sliding stretcher.

• 依据滑动式拉线机的原理,剖析了国产LHD-700/5型型线拉线机生产紫铜扁线的弊端,指出该机型不适合生产紫铜扁线。