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Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展标的目的作了简略概说；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具举行了设计：大直径三通管冲压复合模设计盖世了大直径三通管的加工困难的问题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、圆环弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装配设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对于冷冲压技术的分类、特点及成长方向作了简略概说；论述了冲压零件的形成原理、基本模具结构与运动过程及其预设原理；对于典型的冲压件模具进行了预设：大直径三通管冲压复合模预设盖世了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模预设、适力压边式落料拉伸切边复合模预设、消音器后补碗落料、拉深、冲孔、翻边复合模预设、一模两件落料拉伸冲孔翻边复合模预设、圆环弯曲件的模具预设、铰链卷圆成形工艺及模具预设、半自动送料切角装置预设、滑板式送料拉深、冲孔、翻边模预设实现自动送料、长管多孔冲模预设、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

原文对于寒冲压技术的合种、特征及开展圆背做砬简单概述；阐述了冲压整机的构成本理、基础模具构造与活动进程及其设计本理；对典范的冲压件模具进佳的了设计：大曲径三通管冲压复合模设计掀世了大直径三通管的减工困难、带无沉动凸凸模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、长音器后挖碗落料、拉深、冲孔、翻边复合模设计、一模二件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链舒方成形工艺及模具设计、半自动送料切角安装设计、涩板式送料拉深、冲孔、翻边模设计完成自动送料、长管少孔冲模设计、带凸缘台阶方盒形整件拉深模战盒形件正壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具进行了设计：大直径三通管冲压复合模设计解决了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

Elaborated the punching components formation principle, the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machining,the drawing and punching compound die with float punch-matrix,代写医学论文,the drawing and cutting compound dies with unaltered press,the compound die for the back bowl of the noise keeper,the design of the compound die which could produce two workpieces in one punching,the bending die for the ring shape part ,the bending die which used the gemel ,automate loading die for cutting, the drawing,punching and burring compound dies with sliding automated loading,the punching die for the long pipe with two row of hole,the drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对于冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成道理、基本生产模型结构与运动历程及其设计道理；对于典型的冲压件生产模型进行了设计：大直径三通管冲压复合模设计盖世了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形屈曲件的生产模型设计、铰链卷圆成形工艺及生产模型设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模以及盒形件侧壁孔眼翻孔模。

Elaborated the punching components formation principle the basic dies structure and the rate process and the principle of design; and designed some conventional punching die:the die for big diameter three direction pipe which solved the problom of traditional machiningthe drawing and punching compound die with float punch-matrixthe drawing and cutting compound dies with unaltered pressthe compound die for the back bowl of the noise keeperthe design of the compound die which could produce two workpieces in one punchingthe bending die for the ring shape part the bending die which used the gemel automate loading die for cutting the drawingpunching and burring compound dies with sliding automated loadingthe punching die for the long pipe with two row of holethe drawing die for the square box shape workpiece and the burring die for the box shape workpiece.

本文对冷冲压技术的分类、特点及发展方向作了简略概述；论述了冲压零件的形成原理、基本模具结构与运动过程及其设计原理；对典型的冲压件模具进行了设计：大直径三通管冲压复合模设计解决了大直径三通管的加工难题、带有浮动凸凹模的拉伸冲孔复合模设计、适力压边式落料拉伸切边复合模设计、消音器后补碗落料、拉深、冲孔、翻边复合模设计、一模两件落料拉伸冲孔翻边复合模设计、环形弯曲件的模具设计、铰链卷圆成形工艺及模具设计、半自动送料切角装置设计、滑板式送料拉深、冲孔、翻边模设计实现自动送料、长管多孔冲模设计、带凸缘台阶方盒形零件拉深模和盒形件侧壁小孔翻孔模。

The utility model comprises two steel wire fixing adjustors and a spring ergometer, wherein, each steel wire fixating adjustor comprises front and back adjusting slide blocks, an adjusting support block, a bidirectional vertical adjusting slide block and adjusting bolt and a clip ring; the spring ergometer is connected in series between the steel wire adjustors.

该实用新型包括两个钢丝固定调节器和弹簧测功仪，在那里，每个钢丝固定调节器组成，前台和后台调整滑块，调整支持座，垂直双向调节滑块，调整螺栓，并剪辑环；春天测功仪是连接在一系列之间的钢丝调节器。

The paper is mainly focused on the friction process between piston ring andcylinder when piston moving back and forth with cylinder.

本文主要研究内燃机活塞环-缸套摩擦副作往复运动时的摩擦过程特性。

By studying the requirement of this experiment, I took drill machine as the base-table and the power, and then designed an experiment equipment that is can be used to research the friction process between piston ring and cylinder when piston moving back and forth with cylinder.

深入探讨了活塞环-缸套之间摩擦过程的特点，结合试验要求，利用钻铣床作为试验台和动力源设计了一套试验装置。

Lisa, like Rick, Karen, and Rem, was strapped on her back to a kind of gurney, with her head positioned beneath a thick and heavy-looking ring-shaped device that resembled a scaled-down version of an MRI scanner.

丽莎和瑞克、凯伦还有雷一样，都被绑在一张轮脚病床上平躺着。她的头部摆在一台外形厚重的环状设备下方，那东西的样子像个缩小的核磁共振扫描仪。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐