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首页> 外文会议>ASME(American Society of Mechanical Engineers) Pressure Vessels and Piping Conference: Residual Stress, Fitness - for - Service and Manufacturing Processes; 20030720-20030724; Cleveland,OH; US >DIE DESIGN AND BLANKING ANALYSIS
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DIE DESIGN AND BLANKING ANALYSIS

机译：模具设计与冲裁分析

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摘要

The modified fine blanking technique is the subject of this research, along with a comparison of conventional blanking and shaving. The modified process does not require the use of a triple-action press and the press can be run at the same rate as conventional blanking. A counter-pressure punch and assembly are used to prevent the fracturing of the cut, which is similar to standard fine blanking. The difference between the two fine blanking techniques is that the modified method does not hold the material from lateral movement during the perforating operation. Furthermore, to achieve an optimum comparison of all three methods (conventional blanking, shaving, and modified fine blanking), a die set was designed that could produce parts for each of these processes. The evaluation of each method was done by cutting similar samples of each method and placing mem in plastic, which allowed microscopic comparisons to be made of the three methods. A trade-off analysis of the various methods demonstrated that the modified fine blanking technique is superior to the other techniques.
机译：改进的精细落料技术是本研究的主题，同时对传统的落料和剃须进行了比较。修改后的过程不需要使用三作用压力机，并且压力机可以以与常规落料相同的速率运行。背压冲头和组件用于防止切口破裂，这类似于标准的精冲。两种精细落料技术之间的区别在于，改进的方法不会在打孔操作期间阻止材料横向移动。此外，为了实现所有三种方法（常规落料，剃须和改良的精细落料）的最佳比较，设计了一套模具，该模具可以为上述每个过程生产零件。通过切割每种方法的相似样品并将mem放入塑料中来进行每种方法的评估，从而可以对这三种方法进行微观比较。各种方法的权衡分析表明，改进的精冲技术优于其他技术。

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