查询词典 die forming

In this thesis, the basic aspects about forming process of camber die are studied etically .

本论文对曲面凹模成形工艺的若干问题进行了系统的理论分析。

The design method of using combined pre_stressing matrix in the drawing die for forming the part with various thickness dimensions was introduced.

介绍了在工件料厚变化较大的拉伸模中采用预应力组合凹模的设计方法，在实际生产中应用取得了良好的效

Marc software, the two-dimensional simulation of isothermal extrusion forming process of globoidal cam was made. The influence of the different model cavity concave wedge angle a on the performance of filling billets was analyzed. It provided an important basis for the realization of cambered cam isothermal compression and the optimization of die structure.

用MSC。 Marc软件对弧面凸轮等温挤压成形过程进行了二维模拟，具体分析了不同凹模型腔楔角α对坯料填充性能的影响，为实现弧面凸轮等温挤压成形和优化模具结构提供了重要依据。

Based on the method of numerical simulation, the diameter of steel billet, entrance half angle of concave die and the dimension of spline were analyzed for the forming force on the spline processing with the help of a rigid-plasticity finite element software Deform 3D.

借助刚塑性有限元软件Deform-3D，采用数值模拟的方法分析了矩形花键轴冷挤压过程中，坯料直径、凹模入模半角及键齿尺寸对花键成形力的影响。

Development of sheet metal forming simulation on automotive body almost made the design in die and process to break through the traditional ways.

汽车覆盖件冲压成形仿真技术的发展，突破了原有汽车冲压件模具及工艺设计的设计方法，对保证工件质量、减少材料消耗、缩短产品开发周期、降低制造成本具有重要意义。

Through the analysis of the technology of forming of automotive drawbar, the method of adopting three suits of simple die structure has been advanced with introduction to structure and operating process.

摘要通过对汽车拖钩的成形性工艺分析，提出了采用三套简单模具结构的方法，并介绍了模具的具体结构及模具工作过程。

In this thesis, the results of extremal work path theory are adopted, and the FEM based on deformation theory is formulated. The Inverse Finite Element Approach in sheet metal forming is studied in detail, and an Object-Oriented Finite Element Analysis program is developed, which provides rapid and effective means for stamping process planning and die design.

本文运用极值路径理论推导出基于形变理论的有限元公式，研究了钣料成形有限元逆算法，开发了面向对象的有限元分析程序，为冲压工艺和模具设计提供了快速有效的分析手段。

Furthermore, the forming die can realize single punch extrusion according to different die carriers and equipment, double punch extrusion in opposite directions, as well as the extrusion of the helical cylindrical gear with big helix angle.

本发明结构简单，易于制造、安装，可根据不同模架和设备实现单个冲头挤压，也可实现两个冲头对向挤压；可以实现大螺旋角齿轮的挤压；成形力小，下料精度要求低。

Aimed tool rack at the characters of simple structure and small size supply, a pair of bending forming die with simple structure is designed, which can save the costs of enterprise and shorten die manufacture cycle.

针对跟刀架结构简单、供货量少的特点，设计出一副结构简单的弯曲成形模，节约了企业成本，缩短了制模周期。

The simulations of the design of the pressing surface, technological supplementing surface and drawing rib of the die and the forming process of the metal sheet part were realized with the commercialized software AutoForm, which changed the traditional method that needs frequent improvements in the die with a CAD software after finite element simulation.

改变了传统的在有限元模拟后依靠CAD软件进行频繁模具改进的方法，在有限元软件内部实现了模具的参数化设计，既缩短了模具设计时间，又提高了模具设计可靠性

The concept of equivalent rotationally rigidity is offered and the formula of rotationally rigidity is obtained.

主要做了如下几个方面的工作：对伸臂位于顶部的单层框架—筒体模型进行分析，提出了等效转动约束的概念和转动约束刚度的表达式。

Male cats normally do not need aftercare with the exception of the night after the anesthetic.

男猫通常不需要善后除了晚上的麻醉。