“一出四”PVC穿线管内壁不平整的解决措施

Solutions to uneven inwall in one-to-four production of PVC threading pipes

通过改进螺杆、模具的结构,调整生产工艺,解决了"一出四"PVC穿线管生产初期出现的内壁不平整的问题。

The problem of uneven inwall at the beginning of one-to-four production of PVC threading pipes was solved by improving the structure of screw and mold,adjusting the production process.