But sometimes I think if we can put all the centers together like dynamic balance and stripper pressure center of punch holder, vibrate and clamping center of die shoe etc, how perfect it is!

很多時候我在想97在线超碰资源在线资，如果我能夠?qū)⑺械闹行睦缟夏５膭悠胶庵行墓扇诵咝咚霸菏悠翟谙吖劭础⑿读现行摹⑾履５恼駝又行乃幕⒂谰迷谙呔访夥严略亍A鉗固定中心等等都放在一條中心線上日韩欧美在线一区二区，那將是一個怎樣的境界？

It studied many factors such as blank holder pressure, anti-pressure, clearance between punch and bottom die, and parameters of dentiform on blank holder, analyzed the influence of these factors' change to stress and strain field in distortion area and the appearance of shear crack, summarized the appropriate ratio of blank holder pressure and anti-pressure, and the best range of other factors.

從壓邊力欧美粗硬大三级视频在线播放、反壓力国产一级Av免费无码、相對沖裁間隙、壓邊圈齒形參數(shù)等各種因素出發(fā)久久免费看少妇高潮A级毛片按撑，分析了這些因素的變化對于變形區(qū)應(yīng)力應(yīng)變場與剪切面裂紋產(chǎn)生的關(guān)系最新免费一区二区在线观看，并得出了壓邊力與反壓力的合適配合比例，以及其他參數(shù)的正確取值范圍可以看的毛片网址。

The effects of frictional coefficient and blank holder force and virtual punch velocity on the formability of cross member deep drawing were discussed.

在此基礎(chǔ)上討論了摩擦潤滑條件一级毛片,黄,免费观看、壓邊力和凸模的虛擬沖壓速度對板料拉深過程的影響。

A three-dimensional finite-element model, which includes plate, punch, die and holder pad, is established to simulate the drawing process based on the characteristics of the square box part.

根據(jù)方盒形件的特點久久久久九九精品影院，本文建立了包括板料欧美精品黄页在线视频、凸模、凹模以及壓邊圈在內(nèi)的三維有限元分析模型。

A quarter model is used to simulate for the reason of symmetry. Punch, die and holder pad are regarded as rigid body because of little deformation.

考慮到對稱性国产中文无码在线观看，取四分之一模型進行有限元模擬人人操日夜干，由于凸模、凹模以及壓邊圈變形都很小国产精品国产三级国产av麻豆，故將其視為剛體综合激情四射。

The draw ratio is the direct relationship between the draw punch and the blank edge—the greater the distance between the draw punch and the blank edge, the greater the resistance to flow, primarily because of the additional surface area of sheet metal clamped between the die face and the blank holder.

拉伸比直接體現(xiàn)在拉延凸模和板料邊緣之間的關(guān)系--拉延凸模和板料邊緣之間的距離越大，限制流動的阻力越大18岁网站免费，主要是因為在壓邊圈和凹模表面間有額外金屬板表面被夾緊国产一级婬片a免费播放口免费。

The draw ratio is the direct relationship between the draw punch and the blank edge—the greater the distance between the draw punch and the blank edge, the greater the resistance to flow, primarily because of the additional surface area of sheet metal clamped between the die face and the blank holder.

拉伸率直接體現(xiàn)在拉伸沖頭和展開平板邊緣之間的關(guān)系---拉伸沖頭和展開平板邊緣之間的距離越大，限制流動的阻力越大亚洲区小说区，主要是因為在壓邊圈和模具表面間有額外金屬板表面被夾緊a片网站在线视频观看。試著用不同尺寸和外形的展開平板進行實驗。

On the basis of introducing principle and typical equipments of hydro-forming deep drawing, the HDD has been divided into five typical kinds as follows: hydro-forming deep drawing without punch, deep drawing with fluid assisted blank-holder, deep drawing with hydraulic counter pressure, hydro-mechanical deep drawing, and internal high-pressure deep drawing.

在闡述板料液壓拉深方法原理和分析國內(nèi)外板料液壓拉深典型裝置的基礎(chǔ)上三级片天天操夜夜操，將板料液壓拉深方法分為液壓軟凸模拉深中国老女人特级毛片在线视频、液壓輔助壓邊拉深、對沖液壓拉深中国精品黄片、液壓－機械拉深和內(nèi)高壓拉深等5種久久久久久久久久久精品人妻。

Patented technology of the design of the flexible adjustable punch holder leads to simple adjustment and easy operation.

采用石西公司專利技術(shù)--萬能調(diào)整沖頭座技術(shù)，沖具調(diào)整簡單方便西西人体大胆午夜视频，一般師傅就能掌握技術(shù)国产一级免费黄色网站。

Because of the smaller area of the perforators, they have the tendency to dig into the softer punch holder in the absence of a back-up plate.

因為較小的區(qū)域，他們傾向于穿去探究平滑沖床持有人在缺乏一個備份盤毛片免费看无码喷水高潮A。