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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價(jià)格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>深圳汽車模具加工公司,汽車模具</p><p><span>***更新：</span>2021-02-04 01:11:10</p><p><span id="click" >瀏覽次數(shù)：7次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="fz9yvub" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海鴻達(dá)球鐵鑄造有限公司</a></p><p><span>聯(lián)系人：</span>干高毅</p><p><span>郵箱: </span>hongdaqiutie@vip.163.com</p><p><span>電話: </span>18601767432</p><p><span>傳真: </span>021_</p><p><span>網(wǎng)址: </span>http://www.hongdaqiutie.com</p><p><span>手機(jī): </span>021-56181557</p><p><span>地址: </span>上海市市轄區(qū)寶山區(qū)上海市寶山區(qū)顧陳路1250號(hào)</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="wlvhya3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="yncol2c" class="box"><p><p style="text-indent:25px">車型開發(fā)成本是汽車企業(yè)的重要競(jìng)爭(zhēng)力，要提高汽車企業(yè)競(jìng)爭(zhēng)力就必須重視成本，并想辦法降低開發(fā)成本，深圳汽車模具加工公司，而汽車車身的質(zhì)量和成本很大程度上在模具開發(fā)階段就基本確定了，此階段的產(chǎn)品方案、技術(shù)方案和模具準(zhǔn)備方案就已決定了模具所用材料，模具成本、沖壓件材料利用率以及生產(chǎn)效率等。所以在汽車車身沖壓件的模具開發(fā)階段進(jìn)行有效的成本控制是非常必要的，深圳汽車模具加工公司。就如何降低汽車車身模具開發(fā)成本，深圳汽車模具加工公司，本文主要從產(chǎn)品設(shè)計(jì)、生產(chǎn)工藝排布和模具設(shè)計(jì)制造三個(gè)方面進(jìn)行分析。汽車上所有沖壓件的模具都稱為“汽車沖壓模具”。深圳汽車模具加工公司</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳汽車模具加工公司,汽車模具" src="https://tyunfile.71360.com/UploadFile/shhdqt/637450272397215736/4166201.png"></div><p style="text-indent:25px">尺寸大于中型件的零件通常是外覆蓋件、門蓋類內(nèi)板件、大地板件和縱梁類零件，以下統(tǒng)稱為大型件；尺寸小于中型件的零件通常是車身小型連接板、安裝支架類零件，以下統(tǒng)稱為小型件。目前在國內(nèi)按照傳統(tǒng)沖壓工藝布局，大型件主要采用自動(dòng)化線連線沖壓，中型件主要采用手工線連線沖壓，而小型件則主要采用單臺(tái)小機(jī)床不連線沖壓的方式生產(chǎn)。這三種類型件沖壓模具多采用單工位復(fù)合模，即一副模具內(nèi)只含有一個(gè)模腔的沖壓模具。在現(xiàn)有技術(shù)條件下，對(duì)于大型件和小型件，這種傳統(tǒng)的沖壓方式，模具與沖壓線機(jī)床噸位和工作臺(tái)面基本匹配，暫不需改善。深圳汽車模具加工公司汽車模具從狹義上講就是沖制汽車車身上所有沖壓件的模具的總稱。也就是“汽車車身沖壓模具”。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳汽車模具加工公司,汽車模具" src="https://tyunfile.71360.com/UploadFile/shhdqt/637450272337656432/7759904.png"></div><p style="text-indent:25px">在模具產(chǎn)業(yè)十二五規(guī)劃中曾明確提出，未來汽車模具行業(yè)要向高、精、尖方向發(fā)展，這就給當(dāng)前我國汽車模具的發(fā)展提出更高的要求。回顧一路走來的點(diǎn)點(diǎn)滴滴，我國汽車模具也經(jīng)歷了多次的飛躍發(fā)展。據(jù)**介紹，我國汽車模具的起步幾乎與汽車同步，自50年代長春汽車制造廠項(xiàng)目啟動(dòng)后，就一直未停止過前進(jìn)的步伐。進(jìn)入21世紀(jì)，我國汽車模具工業(yè)經(jīng)歷很大發(fā)展。轎車覆蓋件模具設(shè)計(jì)制造具有難度大、質(zhì)量和精度要求高的特點(diǎn)，是汽車模具水平的比較好體現(xiàn)。經(jīng)過多年發(fā)展，我國目前為汽車服務(wù)的模具約已占到了全部模具產(chǎn)量的三分之一左右，由此可見汽車模具在模具行業(yè)和汽車工業(yè)中的重要地位。尤其是汽車覆蓋件模具，直接關(guān)系到汽車車型，因此其地位尤為重要。</p><p style="text-indent:25px">汽車模具材料的使用性能：(1)沖裁模材料的使用要求，對(duì)于薄板沖裁模具的用材要求具有高的耐磨性和硬度，而對(duì)厚板沖裁模除了要求具有高的耐磨性、抗壓屈服點(diǎn)外，為防止模具斷裂或崩刃，還應(yīng)具有高的斷裂抗力、韌性；(2)拉延、整形模材料的使用要求，要求模具工作零件材料具有高的耐磨性和硬度、一定的強(qiáng)韌性以及較好的切削加工性能、良好的抗粘附性(抗咬合性)，而且熱處理時(shí)變形要小。根據(jù)汽車廠生產(chǎn)沖壓件的模具現(xiàn)狀，汽車模具主要采用的材料為：鉬鉻鑄鐵、Cr12MoV、鑄態(tài)空冷鋼。高速機(jī)床主軸激振頻率遠(yuǎn)遠(yuǎn)超過“機(jī)床—刀具—工件”系統(tǒng)的固有頻率范圍，汽車模具加工過程平穩(wěn)且無沖擊。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="深圳汽車模具加工公司,汽車模具" src="https://tyunfile.71360.com/UploadFile/shhdqt/637450272229950196/5763771.png"></div><p style="text-indent:25px">全過程實(shí)施并行工程：全過程實(shí)施并行工程是縮短模具開發(fā)周期比較有效的途徑之一。所謂并行工程就是模具開發(fā)過程中的各工序、各環(huán)節(jié)都要同步、并行、交叉進(jìn)行，盡量避免串行。在汽車車身的開發(fā)過程中，是研發(fā)部門的產(chǎn)品開發(fā)后期和模具開發(fā)前期的并行工程，即產(chǎn)品研發(fā)部門在車身數(shù)模凍結(jié)之前，利用設(shè)計(jì)版車身數(shù)模和模具廠技術(shù)部門進(jìn)行設(shè)計(jì)評(píng)審、工藝會(huì)簽，使產(chǎn)品開發(fā)得到完善。與此同時(shí)，模具廠利用設(shè)計(jì)版數(shù)模進(jìn)行模具開發(fā)方案的策劃、制定開發(fā)預(yù)算、計(jì)劃和沖壓工藝方案’、開展DL圖設(shè)計(jì)、進(jìn)行拉延模初步設(shè)計(jì)和鑄造實(shí)型加工。該階段的并行工程可將模具的開發(fā)時(shí)間縮短1～2個(gè)月；是模具開發(fā)過程中的技術(shù)準(zhǔn)備、生產(chǎn)準(zhǔn)備、模具加工和調(diào)試各工序之間的并行工程，即生產(chǎn)準(zhǔn)備、加工工藝及數(shù)控程序設(shè)計(jì)并行。用高速加工中心或高速銑床加工模具，可以在工件一次裝夾中完成型面的粗、精加工和汽車模具的機(jī)械加工。深圳汽車模具加工公司</p><p style="text-indent:25px">高速切削加工以高于常規(guī)切削10倍左右的切削速度對(duì)汽車模具進(jìn)行高速切削加工。深圳汽車模具加工公司</p><p style="text-indent:25px">鉬鉻鑄鐵：屬于鎳硬白口鑄鐵系中高鉻白口鑄鐵的一種，由于其共晶組織由一種M7C3型碳化物和奧氏體其它轉(zhuǎn)變物組成，其基體退火成馬氏體后能表現(xiàn)出很高的耐磨性，同時(shí)其含有的鉻能明顯提**度、硬度和耐磨性、錳能明顯提高韌性，而且鉬能使鋼的晶粒細(xì)化，提高淬透性。其熱處理的方法為表面淬火，大量節(jié)省熱處理時(shí)間，淬火后硬度HRC 50以上，熱處理后變形量小。由于其鑄造性好，且鑄造成本較低，可實(shí)現(xiàn)整體鑄造，減輕鉗工的工作強(qiáng)度，縮短模具的制造周期。深圳汽車模具加工公司</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3147501.html</p></div></div></div></div></div><div id="iskhzgs" class="page-right twoColRt"><div id="hmjln3k" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="r8moqsz" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)</p></a></div><div id="eovxzli" class="recomPic likePro"><a 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