According to the push-iron structure of die for the sheet metal product, introduced the forming process and the typical die design method, and the working principle was introduced, too.
针对常见板金产品模具中的推平结构，介绍了其成形工艺及模具典型结构设计方法，并介绍了模具工作过程。
By using various modifier and forming process agents, the thermal oxidation aging in the process of PP powder processing and the product practical use was resolved.
通过添加各种改性和成型加工助剂，有效地解决粉状聚丙烯在加工和其制品实际使用过程中，可能产生的热氧老化问题。
CNC incremental sheet forming is a new process which is just researched in world. It has a higher flexible and the size or shape of its product can be modified easily.
板材的数控增量成形是近几年来国际上刚刚开始研究的一种新工艺，具有柔性高，产品的尺寸与形状变化容易的优点。
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