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onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="8cewqmt" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074239697266/6761125.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="7p7els3" 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>廣東省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>珠海防腐精密拉伸五金件廠家,精密拉伸五金件</p><p><span>***更新：</span>2020-10-11 10:05:12</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="smel4bf" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">深圳市銘豐慶五金制品有限公司</a></p><p><span>聯(lián)系人：</span>劉自成</p><p><span>郵箱: </span>657179543@qq.com</p><p><span>電話: </span>13602685781</p><p><span>傳真: </span>0755_84693444</p><p><span>網(wǎng)址: </span></p><p><span>手機(jī): </span>0755-84006255</p><p><span>地址: </span>深圳市龍崗區(qū)平湖街道辦新木社區(qū)居委會(huì)老村路24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="ixuw4mt" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="ixphwn7" class="box"><p><p style="text-indent:25px">矩形再拉伸加工（Rectangular redrawing）：多次拉伸成形的高矩形件，其變形不*與深圓筒形件的拉伸不同，與低盒形件的變形也有很大差別。圖1-46為多工位自動(dòng)搬送壓力機(jī)進(jìn)行高矩形盒件加工時(shí)，珠海防腐精密拉伸五金件廠家，多次拉伸過(guò)程中制件外形、尺寸伴隨拉伸高度的變化，珠海防腐精密拉伸五金件廠家。臺(tái)階拉伸加工（Step drawing）：將左側(cè)初拉伸產(chǎn)品進(jìn)行再拉伸加工，成形為右側(cè)的臺(tái)階形底部。深度較深的部分在拉伸成形的初期就產(chǎn)生變形，珠海防腐精密拉伸五金件廠家，深度較淺的部分在拉伸的后期產(chǎn)生變形。在臺(tái)階變化部分的側(cè)壁易誘發(fā)切應(yīng)力產(chǎn)生變形一次拉伸的特點(diǎn)是一次成型，可以提高生產(chǎn)效率。珠海防腐精密拉伸五金件廠家</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海防腐精密拉伸五金件廠家,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074239697266/6761125.png"></div><p> 精密拉伸沖壓中，鋁合金拉伸件是比較難加工的，但是在加工中注意某些問(wèn)題點(diǎn)就可以很順利的完成加工了。 </p> <p> </p> <p> 鋁合金拉伸件加工注意事項(xiàng)有：在取料、移動(dòng)、拉伸中材料不能相互碰擦，堆疊以及纏繞等，相互之間要留有一定的空隙。對(duì)容易折彎、出料長(zhǎng)短的鋁合金材料要及時(shí)處理。 </p> <p> </p> <p> 原材料要冷卻到50°以下才能移到拉伸架上進(jìn)行拉伸加工，溫度過(guò)高會(huì)燙到作業(yè)員和燙壞坯毛條，也不能徹底的消除材料內(nèi)應(yīng)力從而產(chǎn)生廢品。 </p> <p> <br /> </p> <p> 由于毛條有阻熱效果，裝飾外表需求高的鋁合金材料要多翻轉(zhuǎn)，便于散熱均勻，從而減少橫向亮斑。 </p> <p> <br /> </p> <p> 要注意寬厚比較高，弧度大、壁厚細(xì)、形狀奇怪等鋁合金材料的小腳、薄齒、長(zhǎng)腿、圓弧面、傾斜面、開(kāi)口、視點(diǎn)等受力情況，避免材料部分或者點(diǎn)狀尺度變形、扭曲、螺旋等。 </p> <p> <br /> </p> <p> 拉伸量要控制在百分之一的擺布，沖壓過(guò)程中需根據(jù)原材料的出料實(shí)際情況與各種具體需求加以調(diào)整。在相互對(duì)立的技能需求中尋找滿足各種具體需求的拉伸量。 </p> <p> <br /> 珠海防腐精密拉伸五金件廠家環(huán)氧陶瓷內(nèi)襯由于制造工藝難度大，成本高，所以在使用上有一定的局限性。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海防腐精密拉伸五金件廠家,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png"></div><p style="text-indent:25px">精密五金拉伸件是比較難做的，***它的精密度要求高，第二表面光潔度要求也高；第三和普通的拉伸件相比較是很小的。零件的精度能達(dá)到0.03mm,表面光潔度可到達(dá)0.8mm。如此高精密的工件，需要多年經(jīng)驗(yàn)的師傅才能做出來(lái)。禾聚精密沖壓拉伸件可以保證其公差為±0.01mm，折彎尺寸為±0.03mm內(nèi)，選用拉伸油的方法有四種，硅鋼板是比較容易拉伸的材料，為了工件成品的易清洗性，在防止劃痕產(chǎn)生的前提下會(huì)選用低粘度的沖壓油。碳鋼板在選用拉伸油時(shí)首先應(yīng)該注意的是拉伸油的粘度。根據(jù)工藝難易度和脫脂條件來(lái)決定較佳粘度。</p><p style="text-indent:25px">錐形拉伸加工：h/d>0.8、α =10°～30°的深錐形件，由于深度較大，坯料的變形程度較大，*靠坯料與凸模接觸的局部面積傳遞成形力，極易引起坯料局部過(guò)度變薄乃至破裂，需要經(jīng)過(guò)多次過(guò)渡逐漸成形。階梯拉伸法是首先將坯料拉伸成階梯形過(guò)渡件，其階梯外形與錐形部的內(nèi)形相切，***脹形成錐形。階梯過(guò)渡件的拉伸次數(shù)、工藝等與階梯圓筒件的拉伸相同。矩形再拉伸加工：多次拉伸成形的高矩形件，其變形不*與深圓筒形件的拉伸不同，與低盒形件的變形也有很大差別。圖1-46為多工位自動(dòng)搬送壓力機(jī)進(jìn)行高矩形盒件加工時(shí)，多次拉伸過(guò)程中制件外形、尺寸伴隨拉伸高度的變化。馬氏體相又脆，因此會(huì)容易出現(xiàn)開(kāi)裂。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="珠海防腐精密拉伸五金件廠家,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png"></div><p> 拉伸件成型沖壓加工是禾聚精密的六大技術(shù)之一，技術(shù)特點(diǎn)：拉伸公差可達(dá)±0.015mm、外觀無(wú)瑕疵、可做到R/T＜1.0。拉伸件應(yīng)用于機(jī)械、電子、電器、儀表、汽車、航空、**產(chǎn)品。 </p> <p> <br /> </p> <p> 在拉伸件拉伸成型工藝中，有一次拉伸成型和多次拉伸成型。一次拉伸的特點(diǎn)是一次成型，可以提高生產(chǎn)效率，缺點(diǎn)是一次成型容易不到位，而且每次拉伸的變化程度是有要求的，不能變化太大。 </p> <p> <br /> </p> <p> 多次拉伸可以提高產(chǎn)品的合格率，不容易產(chǎn)生廢品，多次拉伸的中間去應(yīng)力，退火軟化。多次拉伸可以確保工件的精度，延伸系數(shù)以及生產(chǎn)效率都得到很大程度的提高。多次拉伸可以拉的更加勻稱，降低工件的不良率。 </p> <p> <br /> 多次拉伸可以拉的更加勻稱，降低工件的不良率?；葜荼镜鼐芾煳褰鸺r(jià)格多少</p><p style="text-indent:25px">聚氨酯涂層是一種為適應(yīng)環(huán)保需求而研制開(kāi)發(fā)的一種新型綠色特殊涂層，有良好的耐磨和耐腐蝕性。珠海防腐精密拉伸五金件廠家</p><p> 毛坯與凸凹模中心不合或五金拉深件沖壓材料厚度不均勻，以及凹模圓角半徑和凸凹模間隙不均勻，凹模圓角半徑太大，在拉深的***階段脫離了壓邊圈，使尚未越過(guò)圓角的材料壓邊圈壓不到起皺后被拉入凹模形成口緣褶皺。 </p> <p> <br /> </p> <p> 五金拉深件邊緣不平對(duì)策： </p> <p> <br /> </p> <p> 五金拉深件沖模重新定位，校正凹模圓角半徑和凸凹模間隙使其大小均勻后再投入生產(chǎn)減少凹模圓角半徑或采用弧形壓邊圈裝置即可消除褶皺。為什么有的拉伸件廠家沖壓出來(lái)的不銹鋼拉深件表面那么光滑，無(wú)劃痕？有的生產(chǎn)出來(lái)的工件卻是大批量的出現(xiàn)劃痕。 </p> <p> <br /> </p> <p> 經(jīng)過(guò)工程師分析發(fā)現(xiàn)，不銹鋼拉深件表出現(xiàn)的那些劃痕是在沖壓移滑的過(guò)程中造成的。該怎么防止出現(xiàn)劃痕呢？***要改變滑移時(shí)的摩擦狀態(tài)?？梢杂靡簯B(tài)潤(rùn)滑、涂油覆膜、噴涂刷油以及凹模強(qiáng)制潤(rùn)液等涂抹方式。 </p> <p> <br /> 珠海防腐精密拉伸五金件廠家</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司是一家一般經(jīng)營(yíng)項(xiàng)目是：五金制品、彈簧、眼鏡配件、塑膠制品、電子產(chǎn)品的生產(chǎn)和購(gòu)銷（不含限制項(xiàng)目）（取得消防部門驗(yàn)收合格后方可開(kāi)業(yè)）。汽車、電器、電子、眼鏡、智能穿戴、智能通信、五金商標(biāo)禮品等行業(yè)的配件的生產(chǎn)。的公司，是一家集研發(fā)、設(shè)計(jì)、生產(chǎn)和銷售為一體的專業(yè)化公司。銘豐慶五金制品擁有一支經(jīng)驗(yàn)豐富、技術(shù)創(chuàng)新的專業(yè)研發(fā)團(tuán)隊(duì)，以高度的專注和執(zhí)著為客戶提供五金沖壓，精密彈簧，精密五金模具，眼鏡配件。銘豐慶五金制品始終以本分踏實(shí)的精神和必勝的信念，影響并帶動(dòng)團(tuán)隊(duì)取得成功。銘豐慶五金制品始終關(guān)注五金、工具市場(chǎng)，以敏銳的市場(chǎng)洞察力，實(shí)現(xiàn)與客戶的成長(zhǎng)共贏。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/1511752.html</p></div></div></div></div></div><div id="zselkbi" class="page-right twoColRt"><div id="kzgdnjl" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="apmoqsj" 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