精密成形，是指采用锻压、流动成形、回转成形、闭塞锻造、挤压等各类金属塑性成形技术，将坯料在模具中一次或多次成形为最终产品的过程。
... 系统概念 concept of system 精密成形 accurate extrusion 波纹管截止阀 bellows seal glob ...
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准精密成形技术 Near Net Shape Forming
精密成形工艺 Precision Form Process ; precision forming process
精密成形技术 the technology of precision forming
板料精密成形新工艺 SGMF ; Solid Granules Medium Forming Technology
温锻精密成形 Warm forging precise forming
精密成形辊锻 precision forming rolling forging
连续局部塑性精密成形 continual partial plastic precise deforming
The detailed research work is as follows:1) The present situation about the globoidal cam manufacturing technology, precision forming technology and FEM simulation technology have been summarized.
具体研究工作如下:1)综述了国内外弧面凸轮制造、精密成形技术及有限元模拟技术的研究现状,提出了弧面凸轮等温挤压成形制坯工艺。
参考来源 - 弧面凸轮等温挤压成形刚粘塑性三维有限元模拟与优化The forming of gear is featured of general forging and precision forging.
这类同步器齿环的成形有一般锻造成形与精密成形的特点。
参考来源 - 汽车钢质同步环成形工艺及实验研究The net-shape forging is an advanced technology . It may not only lift material utilizationfrom 40% to 70%, but also lift the gear strength over 20% and production efficiency over 40%.
齿轮精密成形是一种齿轮少无切削加工的新工艺,它不仅可使齿轮加工的材料利用率由目前的40%左右提高到70%以上,而且提高齿轮强度20%以上、生产效率40%左右。
参考来源 - 圆柱齿轮镦挤成形的模拟研究Cannonball body semiproduct precision forming is to product cannonball body semiproduct meeting the quality request with the possibly little material.
炮弹弹体毛坯精密成形，就是用尽可能少的材料生产出符合质量要求的炮弹弹体毛坯。
参考来源 - 炮弹弹体毛坯精密热成形数值模拟仿真与试验研究·2,447,543篇论文数据，部分数据来源于NoteExpress
对汽车半轴套管的精密成形进行了试验研究。
Precision forming of automobile half-axle tubes is investigated by test.
机械扩径是制造管筒形零件的一种精密成形方法。
Mechanical Expanding is one of the finishing processes in cylindrical part forming.
精密成形时弹性变形是影响锻件尺寸精度的重要因素。
Elastic deflection is an important factor to influence the accuracy of the formed component in precision forming.
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