为了改进经济性与近终形(NNS)成形性，开发了无包套粉末挤压工艺与精压式粉末锻造工艺。
For improved economics and NNS (Near Net Shape) formability, encapsulation-free Powder Extrusion process and coining type Powder Forging process were developed.
以S6120型空压机为例，介绍了连杆衬套冷挤压的生产工艺及其所有工具的改进措施。
Taking the model S6120 air compressor as an example, this paper presents the cold extrusion process of connecting rod bushes and measures for improving the tools used in the process.
通过模拟分析工艺的合理性以及成形过程中可能产生的缺陷，从而改进模具，以成形更为合理的挤压件。
Through analyzing the rationality of the process and the possible defects in forming process, the die was improved, the qualified extrusion parts were gained.
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