This paper states the economic and technical benefit of the polyurenthane-rubber blanking dies, and the superior function of the polyurenthane-rubber used as blanking die material.

本文闡述了聚氨酯橡膠沖模的經(jīng)濟技術(shù)效益和聚氨酯橡膠能充當沖模材料的優(yōu)越性能。

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.

在沖裁模中結(jié)合使用斜刃凸模和階梯凸模亚洲欧美日韩无，對沖裁力進行合理分配欧美一级a大片免费看视频妇产科，很好地降低了沖壓設(shè)備所需的沖裁力，解決沖壓設(shè)備壓力不足的問題2018年一级黄片。

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.

選擇的材料為Q235欧美区网站，選擇的沖壓工藝方案是沖孔落料--變薄翻孔--斜楔式彎曲--U型彎曲，此方案在節(jié)約成本的同時也適當?shù)奶岣吡松a(chǎn)的效率婬乱A片欧美大片，采用此方案將主要涉及到以下四套沖壓模具：（1）沖孔落料模av黄色在线大全；(2)變薄翻孔模；(3)斜楔式彎曲模噢美性爱操你啦；(4)U型彎曲模免费A级毛片无码免费视频中国。

Heat blanking process of pin axle hole of chain plate with high strength, large thickness and long circumference was introduced, and a few problems of heat blanking process were presented.

介紹強度高、厚度大草草九视频在线观看、周邊長的鏈板銷軸孔的熱沖裁加工以及鏈板熱沖裁加工中的幾個問題午夜福利性爱网站。

A blanking production technology of the motorcycle bulb was analyzed,and a set of progressive blanking die was designed for the shell.

分析了一種摩托車大燈燈泡前金屬外殼的沖壓生產(chǎn)工藝，設(shè)計了一套級進沖壓模具国产影院免费看。

A characteristic of compound dies is the inverted position on the blanking punch and blanking die .

一個特征是復合死倒位置和精密模具料av在线官网。

It mainly analyzes the blanking mechanism of die by the theory of plastic deformation and the principle of hydraulic pressure drive, and also analyzes its forming mechanism and theoretical basis of shaping of blanking die section.

利用塑性變形理論和液壓傳動原理重點分析了模具的沖裁機理，也分析了它的成形機理福利视频观看，還分析了形成沖裁件斷面形狀的理論依據(jù)美女被cao的网站免费，同時指出聚氨酯橡膠模具發(fā)展的方向。

However, on the view of development, we must base ourselves upon our own country whatever it is for fine blanking die or for fine blanking materials and fulfill home made.

但是蜜桃无码成人影片在线播放视频网站，從發(fā)展的角度來看免费人成视频在线看片品尚网，無論是精沖機、精沖模具日韩一级a欧美水蜜桃，還是精沖材料都應(yīng)該立足于國內(nèi)四级黄色电影在线播放，盡早實現(xiàn)精沖技術(shù)的國產(chǎn)化。

Through choosing the blanking clearance of material in reasonable,just by one die blanking the different thickness of very thin gaskets, the die structure was simple and practical.

通過對材料沖裁間隙的合理選取国产最爽的乱婬视频a群体，只用一副沖模就實現(xiàn)了對厚度不同的超薄墊圈的生產(chǎn)男人强奷女人视频120分钟，且模具結(jié)構(gòu)簡單久久按摩、實用。

Currently, the emphases of fine blanking development are to enhance train of person with ability and exploitation, to develop practical blanking die and tool set up so that fine blanking can be carried out on ordinary forcing machine and the cost will be reduced.

當前免费一终婬片A片AAA毛片，加強技術(shù)隊伍和人才的培養(yǎng)與開發(fā)人人看免费黄视频，研制實用的精沖模具和工裝，以便在普通壓力機上進行精沖免费在线观看一级黄色视频网址免费在线观看，降低生產(chǎn)成本是提高我國精沖技術(shù)應(yīng)用的重點www肏逼。