• In this paper, the details of the process were presented, and the influence factors and the strengthening mechanism of forging property improvement were analyzed.

    本文详细介绍工艺过程,分析了提高性能指标影响因素强化机理

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  • By experimental research on the superhard aluminum alloy 7175T74, the parameters of forging process of 7175T74 are given, which achieve the mechanical property of the of U. S. 'AMS4149A.

    通过铝合金7175T74试验研究给出了7175T74合金锻造工艺参数。 依此工艺生产的锻件性能达到美国宇航材料规范AMS4149A规定的技术指标。

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  • In order to keep the property of forging pieces which they already have, calibrating in the way of cold correcting the shape with stress release and tempering could get a better result.

    二次质后,堆芯筒体锻件产生了椭圆变形,为了不影响锻件已有性能,采用应力回火方法进行校正

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  • Forging ahead with the compilation of the Civil Law Code in an orderly manner and improving the system of property protection.

    有序推进民法典编纂工作完善财产保障制度

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  • In this paper, densification laws of rotary forging powder sintered preforms and the property of components have been investigated with orthogonal experiment method.

    本文利用正交实验等方法在自行设计实验装置上对粉末烧结体的摆致密规律压实体性能进行了研究

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  • One of the most important problems in the field of forging and stamping is to improve the dynamic property and accuracy of crank p…

    提高曲柄压力机动态性能精度,降低冲压噪声当今锻压领域亟待解决重要问题之一

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  • The forging method has the advantages of low raw material consumption, good combination property and long service life of the obtained blade and the like.

    发明锻造方法具有原材料消耗少获得叶片综合性能使用寿命等优点。

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  • This paper experimentally investigated the effect of Carbon content on the microstructure and property of SA508Gr3 steel heavy forging.

    本文研究含量508 - 3大锻件组织性能影响

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  • A typical die set for closed-die forging has been designed, of which the core rigid close-die mechanism has a good property.

    设计伞齿轮完全闭塞式锻造模架,核心部位刚性锁模机构具有良好的闭模特性。

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  • One of the most important problems in the field of forging and stamping is to improve the dynamic property and accuracy of crank press and to reduce the noise in stamping process.

    提高曲柄压力机动态性能精度降低冲压噪声当今锻压领域亟待解决重要问题之一

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  • The high temperature wear property of a new type precision cast hot-forging die steel was studied, and compared with that of H13 steel. The mechanism of the high temperature wear was discussed.

    研究新型精铸热锻模具钢高温磨损性能H13进行对比探讨高温磨损机理

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  • The high temperature wear property of a new type precision cast hot-forging die steel was studied, and compared with that of H13 steel. The mechanism of the high temperature wear was discussed.

    研究新型精铸热锻模具钢高温磨损性能H13进行对比探讨高温磨损机理

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