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1)  stamping process
冲压工艺
1.
Combination stamping process for squirrelcage unclosed and closed end face covering and design of reverse-drawing die;
鼠笼端面透盖和闷盖组合冲压工艺及反拉深模设计
2.
Integration & application of multi-objective optimization for stamping process of auto-body panels;
车身覆盖件冲压工艺多目标优化系统的集成与应用
3.
The improvement of stamping process for lamp holder and the design of drawing, piercing and flanging compound die;
灯座冲压工艺改进及拉深、冲孔、翻边复合模的设计
2)  stamping technology
冲压工艺
1.
Analysis of stamping technology and design of drawing die for car front floor boarding
汽车前底板冲压工艺分析与拉深模设计
2.
Through analysis and research on the old stamping technology of air-conditioner part, three kinds of stamping technology methods were introduced in the article.
在分析和研究了空调顶盖体零件原有的冲压工艺后,提出了3种冲压工艺改进方案。
3.
Based on the analysis of the stamping technology for wiring terminal,a multi-position progressive die for this part is designed.
介绍接线端子冲压工艺及多工位级进模具设计,重点阐述了工步设计、排样图设计、模具结构。
3)  pressing process
冲压工艺
1.
Study on the man machine decision system of the pressing process;
基于规则推理网的冲压工艺方案人机交互决策系统的研制
2.
The structure characteristics and pressing process of the connection piece were analyzed, and the layout design of the part, the structure and main characteristics of the die were introduced.
分析了接线片的结构特点和冲压工艺性,介绍了零件的排样设计方案、模具结构及主要特点。
3.
Based on analysis of pressing process noise and its general control approaches,the active control principle on pressing process noise is expounded and some new active control techniques used in pressing process noise are typically introduced and suggested,such as two steps blanking method,reduction of blanking noise.
根据在机械制造业里冲压(尤其以冲裁工艺)噪声发射最为严重的认识,并针对当前冲压噪声控制的研究现状,指出了降低冲压工艺噪声的重要性。
4)  punching technology
冲压工艺
1.
Through the analysis of punching technology of one recorder part,the process of determining the progressive die structure and layout of the part is introduced.
通过对录音机零件的冲压工艺性分析,介绍了确定生产该零件采用的级进模模具结构和零件排样图的过程,而且解决了同一零件上向上和向下两个不同方向弯曲。
2.
The design procedure of punching technology for the reinforcing plate of left/right seatbelt in Qingdao FP cab is mainly introduced.
重点介绍青岛FP驾驶室左/右安全带加强板冲压工艺的设计过程。
3.
Through analysing the logical relation of punching machining technology process, punching parts technology analysis knowledge base, punching characteristic matrix, working procedure decision knowledge, computer aided punching technology process planing is achieved by adopting the semi generating method.
通过分析冲压件冲压工艺的逻辑关系,建立了CYCAPP系统的冲压件工艺分析知识库,冲压件特征矩阵,工艺决策知识库等。
5)  punching process
冲压工艺
1.
Analysis of punching process for the enhanced support of CS7
猎豹CS7地板承载梁加强板冲压工艺分析
2.
Through analyzing the structure characteristics of the stopper support, determined the punching process, and simply introduced the design method of dies.
通过限位器支架零件的结构分析,确定了零件的冲压工艺
3.
Taking the top plate frame as the example, analyzed on the part punching process,the part contour shape was complex, and the forming request was high.
以底板支架为例,分析了制件的冲压工艺性,制件外形形状复杂,成形要求高,重点介绍了冲压成形工艺、模具结构设计、定位位置的选取。
6)  cool punch process
冷冲压工艺
1.
This paper briefly introduces the features of the cool punch process and the main mechanical properties and processing performances of the commonly used light alloy materials,which provide the basis for selecting the suitable materials to satisfy the light weight requirement of the parts.
简要介绍了冷冲压工艺的特点和常用轻合金材料的主要力学性能和加工性能,为满足零部件轻量化要求选择合适的材料提供了依据。
补充资料:表芯支架冲压工艺及模具
新型温控表芯支架冲件,其材料为2Crl3不锈耐热钢,料厚δ=0.8mm,年产量为60-85万件,属大批量生产性质。过去月产量不足10万件,采用多模分序冲制:先落料,后冲两端1.5mm~2mm小凹口,获得展开平毛坯,再弯曲成形。所用3套单冲模都是手工送料,弯曲模还要手工取件出模,不仅效率低,而且操作不安全;由于冲件尺寸较小,弯曲毛坯人模定位往往不准,故废品率较高。为适应大批量生产的需要,设计并使用如下图所示三工位连续复合模一模成形冲制,现将其工艺及冲模结构浅析如下。

1.冲压工艺分析


    该冲件是两弯脚带有1.5mm宽、2mm深小凹口的且形弯曲件。在0.8mm料厚的不锈钢板上冲切2mm×1.5mm的凹口,小凸模容易磨损与折断。两端的小凹口分次冲切会出现过大的同轴度偏差,不利于表芯装配与固定。由平毛坯弯成Ⅱ形,材料必然会回弹。消减回弹并使落料平毛坯与弯形一次复合冲压,是实现该冲件一模成形的关键。冲压工艺及其排样图设计中应解决好上述几个问题,才能保证冲件质量与生产效率。


2.冲压工艺及排样图设计


    考虑简化冲模结构,冲压工艺采用先冲切2mm×1.5mm的小凹口及部分外廓,最后工位用切开分离并弯曲成形复合冲压。冲弯成形的单个工件,由弯曲凸模内的顶杆推顶出模并落在下模工作面上,由送进材料推卸出模。


    为提高展开毛坯落料尺寸精度并确保毛坯平整,以及对称的2mm×1.5mm两个小凹口同轴度高,使冲小凹口凸模具有较好的抗纵弯与耐磨能力,排样图设计采用对称的成形侧刃,将冲2mm×1.5mm小凹口的独立小凸模,与成形侧刃组合起来,使其横向与长度达8mm的侧刃组成一体,增大了凸模的断面积及抗纵弯能力(详见排样图)。




3.冲模结构


    该冲模采用弹压卸料板导向结构,即在进人导料槽的弹压卸料板凸起台阶的四角装四只小导柱13,与其配对的导套14装在卸料板上,导柱装在凸模固定板9内,始终不脱离导套。成形侧刃A(见排样图,2只)断面细长,切凹口处尺寸较小,卸料板靠4只小导柱的准确导向,消除了压力机滑块与模架的导向误差,确保其准确对准凹模并保持均匀一致的冲裁间隙。板料人模后也靠卸料弹簧得到校平后冲切与弯形。目前虽使用板裁条料手工送进与出件,冲件质量好,生产效率提高约3倍。


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