The effects of T30S and Z30S chips, spinning process and drawing process on yarn irregularity of coarse denier PP filament were analyzed.
分析了T30S，Z30S两种切片及其纺丝拉伸等工艺对粗旦丙纶长丝不匀率的影响。
The high speed drawing die are manufactured by HERKEL Company in Germany. It has longer service life drawing coarse round and high strength prestressed concrete steel wire at high speed.
德国HERKEL公司生产的高速拉丝模具在高速拉拔粗规格、高强度预应力钢丝中表现出较长的使用寿命。
The results showed that the metallurgical defects such as inclusions, coarse crystal grains and asymmetry of the grain size were the main reason resulting in fracture of the steel rods during drawing.
结果表明，原材料中存在的夹杂物、晶粒粗大及混晶等冶金质量缺陷是盘条在拉拔过程中发生断裂的主要原因。
The results showed that the metallurgical defects such as inclusions, coarse crystal grains and asymmetry of the grain size were the main reason resulting in fracture of the steel rods during drawing.
结果表明，原材料中存在的夹杂物、晶粒粗大及混晶等冶金质量缺陷是盘条在拉拔过程中发生断裂的主要原因。
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