冲压

Self-acting feed technology of punching die is also used in production, punching die could increase the efficience of production and could alleviate the work burden,学术论文,so it has significant meaning in technologic progress and economic value.

冲压模具的自动送料技术也投入到实际的生产中，冲压模具可用大大的提高劳动生产效率，减轻工人负担，具有重拿来的技术进步意义和经济价值。

One of the main problem is the die's service life for warm stamping the shell body with deep blind hole .

分析了超高强度钢制深盲孔壳体温冲压成形时，模具的工作条件及其失效形式，提出了能有效提高该壳体温冲压模具寿命的具体措施。

This kind of stamping is a new industry which grows with the development of electrical equipment industry.

电器件的冲压件，生产这类冲压件的产业算是一个新的产业，是随着电器的发展而发展起来的

Using bevelled punch and step punch in blanking die, carried on the rational distribution to blanking force, reduced the blanking force well which the press equipment need, and the question of insufficient press equipment pressure was solved.

在冲裁模中结合使用斜刃凸模和阶梯凸模，对冲裁力进行合理分配，很好地降低了冲压设备所需的冲裁力，解决冲压设备压力不足的问题。

Choice of materials for Q235, The choice program is stamping process Piercing blanking -- thinning Burring -- Wedge-bending -- U-shaped curve In this program of cost savings but also appropriate to increase production efficiency, use of this program will mainly involve the following four die : Punching blanking die;(2) thinning Burring die;(3) Wedge-bending modulus;(4) U-bending modulus.

选择的材料为Q235，选择的冲压工艺方案是冲孔落料--变薄翻孔--斜楔式弯曲--U型弯曲，此方案在节约成本的同时也适当的提高了生产的效率，采用此方案将主要涉及到以下四套冲压模具：（1）冲孔落料模；(2)变薄翻孔模；(3)斜楔式弯曲模；(4)U型弯曲模。

In addition, using columniform punch and conical punch, different stress-strain distribution and thickness distribution at deformation region of flanging is compared.

本文的研究，丰富了板料冲压成形工艺中翻边工艺的内容和理论，可以为从事板料冲压成形工作的技术人员提供借鉴和参考。

We have ample facilities: large side of punching, welding and sheet metal structure production line with a series of large-scale of punching machines, such as 2000T/1250T/1150T/630T/450T/315T; large punching, tooling manufacturing lines supported by large and medium-sized column CNC milling machines with FAGOR, SIEMENS, NC FIDIA system, wide distribution press machines, and large equipments for machining, milling, grinding.

赛福集团由2000T/1250T/1150T/630T/450T/315T系列压力机和系列焊接机械组成大型冲压焊合件、钣金结构件生产流水线；由FAGOR、SIEMENS、FIDIA系统大中型三轴数控龙门铣镗床，大型动柱式数控龙门铣床、宽台面研配压力机、大型车床及车铣刨磨常规加工设备组成大型冲压模具、工装制造流水线。

It was crank press slider crank mechanism design that crank press extensive use to blanking,bent,adjustment,mould stamping quiescent. This degree rated for single-point closed type mesotype skill pressure for 160 ton crank press.

压力机是冲压模具制造的常用设备，而提高冲压模具坯料精度，提高生产率，提高使用寿命，减少劳动劳动量的有效方法，此外，还要考虑到人机结合的合理性，使机床更人性化，便于工人的操作。

The author introduces the character of low melting point alloy and its applications in sheet metal forming, discusses the choice of the patternmaking material, contrasts the two mould-casting technologies, points out the issues in design of technology and mold, and taking the representative large sheet metal forming for example, specifies the compose and character of the die structure.

简要介绍了低熔点合金模具的特点及其在板料冲压工艺中的应用，对比介绍了两种铸模工艺，指出了工艺及模具设计时应注意的问题，并以典型大型薄板拉深成形模具为例，详细论述了低熔点合金冲压模具的组成及结构特点。

In the first chapter ,the thermal environment of scramjet and the inevitablility of regeneratively cooled scramjet,the history and state of art of the studies on regeneratively cooled scramjet an

本文第一章介绍了超燃冲压发动机燃烧室热环境和对发动机燃烧室采取再生冷却的必要性，研究了超燃冲压发动机再生冷却技术的发展和现状，并介绍了本文的研究内容。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。