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1)  technology design of pulling depth
拉深工艺设计
2)  drawing technique
拉深工艺
3)  drawing process
拉深工艺
1.
The hot drawing process for the sheet of AZ31 magnesium alloy was discussed.
主要研究了镁合金热拉深工艺过程中,各工艺参数包括拉深温度、压边间隙、润滑条件、拉深速度等对镁合金拉深成形性能的影响。
2.
In the article,the tube drawing process design system that uses AutoCAD2006 as a platform is developed by the tool of VBA.
以AutoCAD2006作为平台,用VBA为工具开发了筒形件的拉深工艺设计系统。
3.
The forming process of variable cross-section spiral-shaped was studied, and the key factors which affect the drawing process were synthetically discussed mainly including the drawing system parameters, the size of the blank and cavity of mould.
采用多道次高温拉深工艺,坯料周边余量留取15mm,坯料圆弧与直线交接部位开取合适的工艺缝,模具设计中型腔尺寸缩量5%,在此工艺参数下试制的蜗壳件形状尺寸可较好的满足实际使用要求。
4)  Drawing Technology
拉深工艺
1.
The Drawing Technology for the Shell of Clutch and Design of the Die;
离合器外壳拉深工艺及模具设计
2.
The drawing technology for CM sleeve barrel was analyzed.
分析了CM套筒的拉深工艺,介绍了级进模的结构及特点,对模具和夹具的相互运动过程进行了说明。
3.
In this paper,the drawing technology of the toolbox rectangular part was analyzed,the dimensions and shape of the blank were calculated,the drawing times and dimensions of the part were determined,the structure design of the blanking-drawing compound die for the part was introduced.
分析了工具箱矩形件的拉深工艺,计算了矩形件的毛坯形状及尺寸,确定了拉深次数及其工序尺寸,介绍了工具箱矩形件落料-拉深复合模结构设计。
5)  Deep-drawing process
拉深工艺
1.
Design and realization of knowledge base in intelligent deep-drawing process design system;
拉深工艺智能设计系统中知识库的设计与实现
2.
In this paper,the numerical simulation of variable Blank-holder Force has been carried out with the aid of the Finite Element Method software DYNAFORM,and the best optimum load curve of Blank-holder Force of deep-drawing process of a conical part has been obtained.
结果表明,变压边力拉深工艺能够极大提高板料的极限拉深高度。
3.
In this paper an intelligent deep-drawing process design system for complex circular shells is developed,which build the product representation based on shape element and the knowledge base by machine learning technology.
研究了复杂轴对称零件拉深工艺智能设计过程中知识获取、集成和应用的方法,包括基于形状单元的产品表示、基于设计手册的设计过程知识获取、基于仿真技术和机器学习技术的成形性能评价知识获取和设计参数调整与控制知识获取等,开发了基于知识的智能设计系统,引导设计人员快速、有效地完成轴对称壳体拉深件的设计,并通过一个设计实例验证了方法的可行性。
6)  technology design / tearing-drawing cap
工艺设计/撕拉盖
补充资料:拉深级进模的设计
拉深级进模要求被加工材料具有良好的塑性,必须能够适应多次拉深而不因冷作硬化而影响拉深成形。这是由于带料拉深过程中,不能进行中间退火,也不便于使用润滑剂。级进模拉深时,工件外形尺寸应在50mm以下,材料厚度小于1.2mm,最厚不大于2mm。
设计拉深级进模的注意事项:
1、 由于首次拉深所需的压边力比以后各工序的压边力小,所以首次拉深工序与在此之前的切口工序的压料圈必须与以后的各工序的压料圈分开。以后各次拉深工序压料圈应尽是采用活动的,也可在各工位上做成单独的压料圈。
2、 凸模的高度应根据需要设计,以利于拉深。在各工位拉深要结束之前,切口、冲孔、落料等各凸模应完成各自的冲压加工。
3、 导料板的高度应有足够的尺寸,以便于送料。
4、 连续拉深在校正冲孔和落料之间,由于带料倾斜,其步距应略小0.05-0.1mm,以防止冲孔落料时产生偏斜。
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