The cold stamping technology and die of two size range of dust cover were compared, there were some guidance roles on production.
对两种尺寸范围的防尘盖的冷冲压工艺及模具进行了对比分析，对生产具有一定指导作用。
The application of stamping technology to the length shearing technique used on the production line of cold-bending section steel was introduced.
介绍了一种冲压模具技术在复杂断面冷弯型钢生产线上定尺切断技术的应用。
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