Heat blanking process of pin axle hole of chain plate with high strength, large thickness and long circumference was introduced, and a few problems of heat blanking process were presented.
介绍强度高、厚度大、周边长的链板销轴孔的热冲裁加工以及链板热冲裁加工中的几个问题。
2
This paper describes the production process for plate used for large-calibred straight seam welded pipeline.
介绍了大口径直缝焊接钢管用钢板的生产工艺。
3
Gas-assisted injection molding process is adopted to mould the duplicator cover plate to ensure the surface quality of the large product. Gas eject pins ar...