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href="http://www.cdcfah.com/cp/third-wjgj_qtwjgj/">其他五金工具</a>?寶安耐磨精密拉伸五金件廠家銘豐慶五金制品供應(yīng)</p><div id="q4aelhi" class="leftbox clearfix"><h1>寶安耐磨精密拉伸五金件廠家銘豐慶五金制品供應(yīng)</h1><div id="yyasjqx" class="proBig"><div id="h0393q8" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="dzm3ikm" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="bxprtqc" 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>寶安耐磨精密拉伸五金件廠家</p><p><span>***更新：</span>2020-06-21 03:24:44</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="ts3frd2" 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="f8gnk34" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="vzb7mja" class="box"><p><p> 對(duì)前工序拉伸產(chǎn)品的凸緣部進(jìn)行角形再拉伸加工，此種加工要求材料具有良好的塑性，拉伸計(jì)算系數(shù) </p> <p> <br /> </p> <p> 拉伸系數(shù)非常重要，一個(gè)拉伸件需要分幾步拉伸才能保證不出現(xiàn)開(kāi)裂、起皺等問(wèn)題都需要用拉伸系數(shù)公式進(jìn)行計(jì)算。是拉伸工藝核算中的首要工藝參數(shù)之一，一般用它來(lái)決議拉伸的次序和次數(shù)。 </p> <p> <br /> </p> <p> 但是，拉伸系數(shù)也不是固定不變的。影響拉伸系數(shù)m的因素比較多，其中包括：材料型號(hào)、厚度、拉伸結(jié)構(gòu)類型，寶安耐磨精密拉伸五金件廠家、拉伸次數(shù)，寶安耐磨精密拉伸五金件廠家、拉伸速度、拉伸鑲件圓弧過(guò)度大小等等，寶安耐磨精密拉伸五金件廠家。不過(guò)，一般都可以查表進(jìn)行大概計(jì)算。 </p> <p> <br /> </p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶安耐磨精密拉伸五金件廠家" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.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><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="寶安耐磨精密拉伸五金件廠家" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074021494141/8351680.png"></div><p> 五金沖壓件拉伸作為主要的沖壓工序之一，應(yīng)用非常***。用拉伸工藝可以制成各種圓筒形、矩形、階梯形、球形、錐形、拋物線形及其他不規(guī)則形狀的薄壁零件。 </p> <p> <br /> </p> <p> 帶凸緣半球形拉伸加工：球形件拉伸時(shí)，毛坯與凸模的球形頂部局部接觸，其余大部分處于懸空的不受約束的自由狀態(tài)。因此，此類球面零件拉伸的主要工藝問(wèn)題在于局部接觸部分的嚴(yán)重變薄，或曲面部分的失穩(wěn)起皺。 </p> <p> 法蘭盤拉伸加工：將拉伸產(chǎn)品的法蘭盤部分進(jìn)行淺拉伸的加工。其應(yīng)力應(yīng)變情況類似于壓縮翻邊。 </p> <p> <br /> </p> <p> <br /> </p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/333283.html</p></div></div></div></div></div><div id="nhzby2f" class="page-right twoColRt"><div id="wkr2mdk" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="23792en" 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="1otiy7w" 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