冷辗扩是生产高质量无缝环件的新工艺，圆锥套圈辗扩由于金属分布的不均匀导致辗扩过程会产生较大轴向力，同时端面出现拉凹。
Cold ring rolling is a new technology to produce high-tech seamless rings. The asymmetry of the metal distribution in the taper ring causes large axial force, as well as sunken side faces.
适用于冷冲、冷墩、冷拉、冷挤、整形等模具以及各种耐磨零件、剪切和量卡工具等到。
It is suitable for making cold punching and heading dies clod extruding and drawing dies. And reshaping too ls and various wear parts, shearing tools and measuring and fixing instruments.
“我真的无法相信天气能够变得这么冷。”现年28岁的阿卜杜拉表示，他此时已经在其干净整洁的长袍外面又套上了一件厚厚的大衣。
"I can't believe how cold it has been," said Abdullah, 28, donning a thick coat over his spotless robe.
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