全面总结了韶山7型电力机车抱轴箱体在使用中发生裂纹的现场处理、理论分析和设计改进的过程。
Summed up is the process of the crack treatment on spot, the theory analysis and the design improvement of the hugging-bearing box body (HBBB) for SS7-type electric locomotive.
介绍了多孔密集型箱体组合机床的设计过程，实际证明该机床设计严谨规范，又有技术创新，使用效果良好。
The paper introduces the design course of the modular machine tool for multi-hole concentration gearbox.
分析了箱体零件由锌合金改铝合金的优点，论述了模具的工作过程和设计要点。
The advantages of housing parts with aluminum alloy substituting for zinc alloy have been described, focusing on the operation and key points of design of the aluminum alloy die casting die.
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