沖壓變形外文文獻(xiàn)

1、附錄 1 外文譯文 第八章 沖壓變形 沖壓變形工藝可完成多種工序，其基本工序可分為分離工序和變形工序兩大類。 分離工序是使坯料的一部分與另一部分相互分離的工藝方法，主要有落料、沖孔、切邊、剖切、修整等。其中有以沖孔、落料應(yīng)用最廣。變形工序是使坯料的一部分相對(duì)另一部分產(chǎn)生位移而不破裂的工藝方法，主要有拉深、彎曲、局部成形、脹形、翻邊、縮徑、校形、旋壓等。 從本質(zhì)上看，沖壓成形就是毛坯的變形區(qū)在外力的作用下產(chǎn)生相應(yīng)的塑性變形，所以變形區(qū)的應(yīng)力狀態(tài)和變形性質(zhì)是決定沖壓成形性質(zhì)的基本因素。因此，根據(jù)變形區(qū)應(yīng)力狀。

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3、Characteristics and Sheet Metal Forming1 The article overview Stamping is a kind of plastic forming process in which a part is produced by means of the plastic forming the material under the action of a die. Stamping is usually carried out under cold state, so it is also called stamping. Heat stamping is used only when the blank thickness is greater than 8100mm. The blank material for stamping is usually in the form of sheet or strip, and therefore it is also called sheet metal forming. Some n。

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9、外文翻譯專 業(yè) 名 稱 機(jī)械設(shè)計(jì)制造及其自動(dòng)化班 級(jí) 學(xué) 號(hào) 078105232學(xué) 生 姓 名 冼 振 源指 導(dǎo) 教 師 陳 為 國(guó)填 表 日 期 2011 年 1 月 17 日General all-steel punching dies punching accuracyAccuracy of panel punching part is display the press accuracy of the die exactly. But the accuracy of any punching parts linear dimension and positional accuracy almost depend on the blanking and blanking accuracy,. So that the compound mould of compound punchings accuracy, is typicalness and represent。

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11、模具工業(yè)是國(guó)民經(jīng)濟(jì)的基礎(chǔ)工業(yè)，是國(guó)際上公認(rèn)的關(guān)鍵工業(yè)，工業(yè)發(fā)達(dá)國(guó)家稱之為 “ 工業(yè)之母 ” 。模具成型具有效率高，質(zhì)量好，節(jié)省原材料，降低產(chǎn)品成本等優(yōu)點(diǎn)。采用模具制造產(chǎn)品零件已成為當(dāng)今工業(yè)的重要工藝手段。模具在機(jī)械，電子，輕工，紡織，航空，航天等工業(yè)領(lǐng)域里，已成為使用最廣泛的工業(yè)化生產(chǎn)的主要工藝裝備，它承擔(dān)了這些工業(yè)領(lǐng)域中 60%品零件，組件和部件的加工生產(chǎn)。 “ 模具就是產(chǎn)品質(zhì)量 ” ， “ 模具就是經(jīng)濟(jì)效益 ” 的觀念已被越來(lái)越多的人所認(rèn)識(shí)和接受。在中國(guó)，人們已經(jīng)認(rèn)識(shí)到模具在制造業(yè)中的重要基礎(chǔ)地位，認(rèn)識(shí)更新。

12、General all-steel punching dies punching accuracyAccuracy of panel punching part is display the press accuracy of the die exactly. But the accuracy of any punching parts linear dimension and positional accuracy almost depend on the blanking and blanking accuracy,. So that the compound mould of compound punchings accuracy, is typicalness and representation in the majority.Analyse of the dies accuracyFor the analyse of pracyicable inaccuracy during production of dies to inactivation, we could。

13、沖壓模具設(shè)計(jì) 一、簡(jiǎn)述 沖壓模具 材料（金屬或非金屬）加工成零件（或半成品）的一種特殊工藝裝備，稱為冷沖壓模具（俗稱冷沖模）。沖壓 用安裝在壓力機(jī)上的模具對(duì)材料施加壓力，使其產(chǎn)生分離或塑性變形，從而獲得所需零件的一種壓力加工方法。 沖壓模具是沖壓生產(chǎn)必不可少的工藝裝備，是技術(shù)密集型產(chǎn)品。沖壓件的質(zhì)量、生產(chǎn)效率以及生產(chǎn)成本等，與模具設(shè)計(jì)和制造有直接關(guān)系。模具設(shè)計(jì)與制造技術(shù)水平的高低，是衡量一個(gè)國(guó)家產(chǎn)品制造水平高低的重要標(biāo)志之一，在很大程度上決定著產(chǎn)品的質(zhì)量、效益和 新產(chǎn)品的開(kāi)發(fā)能力。 二、分類 沖壓模具的。

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15、1 智能沖壓工藝規(guī)劃系統(tǒng)的研究 摘要： 本文對(duì)建立 一個(gè)智能沖壓工藝設(shè)計(jì)知識(shí)為基礎(chǔ) 的 系統(tǒng) 給出了一個(gè)簡(jiǎn)單的介紹 。研究該系統(tǒng)的框架， 對(duì) 模型和知識(shí)推理模式進(jìn)行了介紹。 對(duì) 有 些 關(guān)鍵技術(shù) 如 沖壓工藝的可行性 、排樣的 最佳算法 、 智能地帶的布局和內(nèi)力計(jì)算進(jìn)行了研究。 該 系統(tǒng) 可以改善工藝規(guī)劃效率。 關(guān)鍵詞 ： 排樣 知識(shí)模型 帶狀排樣法 1 簡(jiǎn)介 沖壓 工藝規(guī)劃是沖壓 產(chǎn)品開(kāi)發(fā) 的 一個(gè)核心項(xiàng)目。 它 是金屬成型應(yīng)用的一個(gè)重要組成部分 ，它與生產(chǎn)質(zhì)量、成本、生產(chǎn)率和工具壽命有直接的影響?，F(xiàn)代制造業(yè)的快速發(fā)展對(duì)沖壓提出了更。