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- preform die molding 预成形对模模塑法
- Suitable for U.S. or European standard size of rotary die mold and anvils. 适用于欧美标准木模尺寸及优力胶垫。
- The key step in flashless forging is to optimize the d esign of preform die shape. 锻造过程实现净形和近净形制造关键是优化预锻模的设计。
- A new sensitivity analysis method for preform die s hape design in metal forging by controlling the deformation uniformity is develo ped. 以直接设计预成形模具形状为目标,提出并建立了一种控制变形均匀性的灵敏度分析理论和模具形状优化设计方法。
- This paper uses a new optimization approach named micro genetic algorithm to optimize the preform die shape in H-shape axisymmetric forgings. 本文用微观遗传算法对H型截面锻件进行了预锻模优化设计,以实现此锻件的无飞边锻造。
- Orthogonal experimental method is combined with numerical simulationto solve the optimization of tooth form of preform die. 本文采用正交试验法与数值模拟技术相结合的方法,来解决预锻模具型腔优化设计问题。
- But the comprehensive research of RT precision and the dimensional accuracy of rapid die molding products based on RP &M is less. 而对基于RP &M技术的RT精度及快速模具成型制品尺寸精度方面的整体研究较少。
- A mathematic model of die molding zone was established on the basis of incompressibility assumption and relationships between inertia force and time. 结果表明:(1)压力和速度的波动从入口到出口逐渐减弱;
- This method can realize net shape forging by optimizing preform die shape.Flashless final forging with complete die fill and without folding-over defect can be obtained. 该方法通过优化设计预成形模具形状,可实现精形终锻,得到无飞边、完全充满型腔和无折叠的终锻件。
- The sensitivity analysis was developed using the rigid viscoplastic finite element method.The preform die shapes are represented by cubic B spline curves. 表示预锻模具形状的三次B样条曲线的控制系数用作设计变量。
- Tooth form of preform die is important for improving the filling of gear teeth using a lower forging loadin the two-stage cold precision forging process of spur gears. 在直齿圆柱齿轮两步成形冷精锻工艺中,预锻模具齿形设计对改善材料填充性能,降低成形载荷具有重要意义。
- By adopting the compound mold of die mold,furan resin sand and graphite sand,the heavy duty thin wall complex Al-alloy castings have been successfully produced. 采用金属型、呋喃树脂砂、石墨砂等复合铸型,成功生产了大型、薄壁、复杂铝合金铸件。
- Focusing on the problem of the drawing quality on the die mold industry, this paper introduces the application of CAE sofeware DYNAFORM in the drawing process. 摘要针对目前冲压行业普遍存在的汽车覆盖件拉深质量问题,介绍板料成形CAE软件DYNAFORM在拉深工艺中的应用,阐明板料成形有限元分析的一般步骤。
- The extrudate shape,dimension and output can be effectively controlled on single roller extruder with its variable screw and roller speeds and the flexible combination of preform die and final die. 单辊筒口型挤出机通过变更挤出机螺杆和辊筒转速及灵活的预成型口型和终端口型设计组合可以有效控制挤出物的形状、尺寸和生产率。
- An optimization method for preform die shape in non-isothermal metal forming using plastic finite element method, sensitivity analysis and engineering optimization algorithm is presented. 采用塑性有限元、灵敏度分析和工程优化算法相结合的方法,对非等温成形过程中预锻模具形状进行了优化设计。
- Principles of Choosing Joint Face of Die Mold 压铸模分型面选择的原则
- He is cast in his father's mold. 他长得和他父亲一模一样。
- Optimal Preform Die Shape Design in Multi-cavity Forging Process 多型腔锻造过程预锻模形状优化设计
- A narrow border, molding, or fillet. 扁带饰窄条,装饰用嵌线或窄带
- Dual Cross Die Molding Machine Control System and Its Design Method 双模横向成型机控制系统设计