冲

The press process of blanking,drawing, perforating, flaring, trimming are adopted. In this paper, the process suitability of part is analysed. The process parameters, such as blank layout and press force are calculated. The general construction of mold and main parts are designed. The compound die of blanking,drawing,perforating and the simple press tool of flaring,trimming and detail drawings of main parts are drawn.

设计中分析了工件的冲压工艺性，对毛坯排样、冲压力、刃口尺寸等进行了计算，并且对模具相对应的凸模和凹模进行了强度校核，以及模具总体结构、主要零部件的选择与设计，绘制了落料、拉深、冲孔复合模和翻边、切边的单工序模具装配图和模具的主要零件图。

Punch and Die blanking punch were different plate fixed to facilitate adjustment gap; Punch and Die blanking die is used overall fixed plate.

模具的冲孔和落料凸模分别用不同的固定板固定，便于调整间隙；冲孔凹模和落料凹模则采用整体固定板固定。

Scourability plate washing version of corrosion-resistant hair brush yingxuan has the toughness of soft brush, wash Edition mode is divided into the platform-based, drum-type, with the lines, the platform-based version for adjustment of the stick and brush surface level contact, or it will appear washed version based uneven or relief is not clear; drum type: UV glazing with drum-type scourability Edition, you can make the resion light version of size reduced to a minimum deformation; with the lines: the domestic introduced the most advanced flexographic plate-making machine, you can set the thickness of plates, taking a version of the time, solvent concentration and final cleaning, pre-drying, etc.

冲版编制，洗版毛刷答选耐腐化有韧性的不不硬毛刷，洗版办法分为平台式、滚筒式、联线式几栽，平台式请求调动不入贴版台和毛刷不面的程度隔绝，否则会不入现洗版底基不服或是浮雕不清楚的本体；滚筒式：UV上平拔取滚筒式冲版，可以使树脂上平版的尺寸变形减小到最矮；联线式：不国外引进的最保守的柔版制版机，可设定版材的厚度、洗版工夫、溶剂浓度，并且可末了肮脏、预烘干等。

The methods of improving tensile strength of gray cast iron by adding some scrap steel into ladle in front of cupola and innoculating when adding scrap steel were tested and discussed.

试验了通过冲天炉炉前铁水包中冲入少量废钢以及冲入废钢同时进行孕育处理来提高灰铸铁强度的方法。

Their properties on corrosion and erosive wear under wet phosphoric acid condition were studied with high chromium steel.

并和高铬钢进行对比，研究了在模拟湿法磷酸生产工况介质下腐蚀及30°和60°两种不同冲蚀角度下冲蚀磨损性能。

Opened a modern history, the book has confused Nanhu Rain Red Boat despite struggling to start, there are anti-Japanese fighters in the sky straight blood, there are clip-clop broken, trumpet Pathos pharynx, there are Cangshan sea, setting sun, such as blood Weather , there are thousands of miles of , the book is more of a straight after another fearless, light yushu!

翻开近代史，书中有南湖红船迎着迷茫烟雨艰难地起航，有抗日战士直冲云天的热血，有马蹄声碎、喇叭声咽的悲怆，有苍山如海、残阳如血的气象，也有千里跃进万马奔腾的豪壮，书中更有一曲曲直冲霄汉、光照九州的正气歌！

In this design introduced the transmission covers the punch holes the ramming craft analysis, the craft plan formulation, arranges the specimen map design, the always ramming strength computation and the center of pressure computation, the cutting edge size computation, the spring, the rubber computation and selects, the raised mold, the concave mold or the convex-concave mold structural design and all that die the components structural design, draws up the mold assembly drawing and the work detail drawing, the compilation design instruction booklet, fills in the ramming craft card and the work components machine-finishing technological process card, raised pays attention to, the concave mold coordinate processing.

本设计中介绍了传动盖冲孔的冲压工艺分析，工艺方案的分析和制定，排样图的设计，总的冲压力计算及压力中心的计算，刃口尺寸的计算，弹簧的计算和选用，凸模、凹模或凸凹模结构设计以及其他冲模零件的结构设计，绘制模具装配图和工作零件图，编写设计说明书，填写冲压工艺卡和工作零件机械加工工艺过程卡，注意凸、凹模的配合加工。

In this design introduced the transmission covers the punch holes the ramming craft analysis, the craft plan formulation, arranges the specimen map design, the always ramming strength computation and the center of pressure computation, the cutting edge size computation, the spring, the rubber computation and selects, the raised mold, the concave mold or the convex-concave mold structural design and all that die the components structural design, draws up the mold assembly drawing and the work detail drawing, the compilation design instruction booklet, fills in the ramming craft card and the work components machine-finishing technological process card, raised pays attention to, the concave mold coordinate processing.

摘要本设计中介绍了传动盖冲孔的冲压工艺分析，工艺方案的分析和制定，排样图的设计，总的冲压力计算及压力中心的计算，刃口尺寸的计算，弹簧的计算和选用，凸模、凹模或凸凹模结构设计以及其他冲模零件的结构设计，绘制模具装配图和工作零件图，编写设计说明书，填写冲压工艺卡和工作零件机械加工工艺过程卡，注意凸、凹模的配合加工。

Steel cutting punch machine , 45 mm round bar iron cutting machine , 5 puropse steel cutting machine , iron worker , press machine , second hand press...

钢铁切断冲孔机， 45 mm钢筋圆棒切断机，五用钢铁切断机，配电盘铜排切断冲孔机，铁工。。。

However, the recrystallization textures after annealing have the decisive effect on the deep-drawing properties.

IF钢因其优异的深冲性能而被广泛地应用于汽车行业，而对其深冲性能起决定性作用的是退火后的再结晶织构。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。