成形的

Use alternating transverse magnetic-field to control dragged arc, overcome weld undercut, and improve the appearance of weld.

本试验采用交变横向磁场来控制电弧的后拖现象，克服咬边，改善成形。

The causes of the rolling flaws such as concavity on the end of workpiece、Mannesmann effect、spiral roll mark on the axle head and tooth roll mark etc in the lab-simulated experiment are analyzed to provide suggestion for the application of the CWR forming process of gear-shaft.

同时分析了物理实验过程中轧件各种质量缺陷的产生机制，如端头凹心、曼乃斯曼效应、轴端螺旋状压痕以及齿部齿条压痕等，为齿轮轴楔横轧成形工艺实用化研究提供指导。

Nowadays, GMAW process with one-side welding and back formation becomes mainstream technology for pipeline installation in the world.

外焊GMAW单面焊双面成形已得到广泛应用，成为国际管线施工的主流技术。

To verify the feasibility of the back-stepping design method, simulation and experiment were done.

分析影响冷搓花键成形精度的相关因素，认为该反推设计方法具有实际意义。

Apply mainly to steel, coal, light industry, chemical industry, machinery processing, plastics processing industry in the need to fire the hydraulic system, such as: coking Furnace Door, Coke stopped cars, die-casting machine, of bell-less top, extrusion machines, Converter HOOD movements, forging machines, electric furnace Kai cover, dumping material, casting machine, sliding steel package intakes, continuous casting machine, hot-track machine, welding robot, plastic extrusion machines, automatic welding fixture, the surface of the glass plating Forming machines.

主要适用于钢铁、煤矿、轻工、化工、机械加工、塑料加工工业中需要防火的液压系统，如：炼焦炉门、拦焦车、压铸机、炉顶料钟、挤压机、转炉烟罩升降机构、锻压机、电炉启盖、倾料机构、铸造机、钢水包滑动水口、连铸机、热轨机、焊接机器人、塑料挤出机、自动焊接夹具、表面电镀机玻璃成形机等。

A type of new progressive die including blanking, bending and forming is introduced.

介绍了一种新型的落料、弯曲、成形连续模。

With CAD/CAM integrated modeling technology and NC programming manufacturing to develop cold box process casting technology of engine cylinder block and cylinder head of linear four-cylinder,two-air valve mid-position cam,four-stroke direct-jet combustion chamber,drying cylinder sleeve turbocharged and oil intercooled diesel engine in accordance with EUROⅢ standard of automobile tail gas exhaust.

运用 CAD /CAM一体化复合建模与数控编程加工技术，研究开发了符合欧Ⅲ汽车排放标准的直列四缸、二气门中置凸轮、四冲程直喷燃烧室、干式缸套涡轮增压和机油中冷式柴油发动机缸体缸盖冷芯盒铸造成形工艺。

Cold-rolled sheet can be used directly in temperatures greater than 250 ℃ forming thermal processing.

冷轧板可直接用于大于250℃温度下的热加工成形。

According to the velocity filed mentioned above, the contour of the drawing die was rationally designed. To prove its applicability and superiority, FEM software, MARC and SUPERFORM, were used to simulate the drawing process of cross tube in "conical die" and "streamlined die".

本文以十字形钢管为研究对象，开展对异型钢管拉拔成形过程研究，首先结合挤压流线理论，设计了&流线型&拉拔速度场模型，这为改善金属流动状态、降低能耗创造了良好条件；紧接着以&流线型&速度场为理论依据，对十字形管拉拔模具的凹模轮廓进行了合理设计。

In order to investigate the superplasticity of ceramic matrix laminated composite , the superplastic deep-drawing process was simulated by FEM.

为研究陶瓷基层状复合材料的超塑性能，对其超塑拉深成形过程进行了有限元模拟。

The good news is that after formatting from the command line to FAT32 (format /fs:fat32 /a:4096 drive:) all but one of the problematic games that I tested work perfectly.

好消息是，从指挥线后格式化了FAT32(格式/曾荫权：了FAT32/答：4096年径：)所有问题，但其中的游戏测试工作，我很好。

In Amsterdam. He is a Dutch painter, draftsman, and etcher of the 17th century, the greatest artist of the Dutch school, a master of light and shadow whose paintings, drawings, and etchings made him a giant in the history of art.

伦勃朗是一位17世纪画家、绘图家、版画家，荷兰学派的最伟大艺术家，他的明暗法的大师，他的绘画、素描和版画使他成为一位艺术史上的巨匠，其画作体裁广泛，擅长肖像画、风景画、风俗画、宗教画、历史画等。