cold forming parts for starters 起动机冷成型件
The spline tube differs greatly from the spline shaft parts in the cold roll forming process, which has a complex process with large blank deforming quantity.
花键管冷滚轧精密成形过程不同于花键轴类零件，其坯料金属变形量大，成形过程较为复杂。
"Tension-Assisted cold rolling" technology is a new plastic forming method of shaft parts.
“冷拉伸滚压”技术是一种新的轴类零件塑性成形的加工方式。
The results show that the areas of the bottom corners of the flange and arc gears are difficult for forming, and the cold forging process fits for these parts.
研究表明：法兰下端面和弧形齿下端角隅处是最难充填区域，该类零件的成形宜用冷锻成形工艺。
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