Aiming at the flaw of the fixed length machine applied to cut the prestressing steel wire, I put forward the improvement project.

• 针对预应力钢丝定长机的弊端提出了改进方案,该方案提高了机器的工作精度,能将钢丝长度的误差控制在允许范围内,满足了轨枕生产的工艺要求。