龍崗金屬精密拉伸五金件銘豐慶五金制品供應(yīng)-b2b網(wǎng)站_b2b電子商務(wù)平臺(tái)【買產(chǎn)品】-上?？谄蚴称酚邢薰?/title><meta name="description" content="丘形拉伸加工：丘形蓋板件在成形過(guò)程中的坯件變形不是簡(jiǎn)單的拉伸變形，而是拉伸和脹形變形同時(shí)存在的復(fù)合成形。壓料面上坯件的變形為拉伸變形(徑向?yàn)槔瓚?yīng)力，切向?yàn)閴簯?yīng)力)，而輪廓內(nèi)部(特別是中心區(qū)域)坯件的變形為脹形變形(徑向和切向均為拉應(yīng)力)。帶"><meta name="keywords" content="龍崗金屬精密拉伸五金件,精密拉伸五金件"><link rel="canonical" href="http://www.cdcfah.com/"/><meta name="applicable-device" content="pc"><link rel="shortcut icon" href="/static/new_net_01/images/favicon.ico"><link rel="stylesheet" href="/static/new_net_01/css/slick.css" /><link rel="stylesheet" href="/static/new_net_01/css/addnew.css"><link rel="stylesheet" href="/static/new_net_01/css/sidenav.css"><link rel="stylesheet" href="/static/new_net_01/css/style.css" /><link rel="stylesheet" href="/static/new_net_01/css/tab.css"><link rel="stylesheet" href="/static/new_net_01/css/404.css"> <meta name="baidu-site-verification" content="OBVzrC9aaQ" /> <meta http-equiv="Cache-Control" 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href="http://www.cdcfah.com/cp/second-_wjgj/">五金、工具</a>?<a href="http://www.cdcfah.com/cp/third-wjgj_qtwjgj/">其他五金工具</a>?龍崗金屬精密拉伸五金件銘豐慶五金制品供應(yīng)</p><div id="l824lzf" class="leftbox clearfix"><h1>龍崗金屬精密拉伸五金件銘豐慶五金制品供應(yīng)</h1><div id="3nduq23" class="proBig"><div id="3hxo7ga" 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="p9ofr2f" 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="3amsuab" 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>龍崗金屬精密拉伸五金件,精密拉伸五金件</p><p><span>***更新：</span>2020-08-08 13:14:39</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="mc48zgm" 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="iqza88n" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="m8ar39z" class="box"><p><p style="text-indent:25px">丘形拉伸加工：丘形蓋板件在成形過(guò)程中的坯件變形不是簡(jiǎn)單的拉伸變形，而是拉伸和脹形變形同時(shí)存在的復(fù)合成形。壓料面上坯件的變形為拉伸變形(徑向?yàn)槔瓚?yīng)力，切向?yàn)閴簯?yīng)力)，而輪廓內(nèi)部(特別是中心區(qū)域)坯件的變形為脹形變形(徑向和切向均為拉應(yīng)力)。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，龍崗金屬精密拉伸五金件，龍崗金屬精密拉伸五金件，龍崗金屬精密拉伸五金件，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。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。龍崗金屬精密拉伸五金件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗金屬精密拉伸五金件,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074217617188/3733191.png"></div><p style="text-indent:25px">帶凸緣半球形拉伸加工（With flange hemisphere drawing）：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)起皺法蘭盤拉伸加工（Flange drawing）：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。由于切向受壓應(yīng)力，容易起皺，故成形極限主要受壓縮起皺的限制。其應(yīng)力應(yīng)變情況類似于壓縮翻邊。由于切向受壓應(yīng)力，容易起皺，故成形極限主要受壓縮起皺的限制。龍崗金屬精密拉伸五金件拉伸量要控制在百分之一的擺布。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗金屬精密拉伸五金件,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074053916016/1058647.png"></div><p style="text-indent:25px">因?yàn)楹吐认堤砑觿?huì)發(fā)生化學(xué)反應(yīng)，鍍鋅鋼板在選用拉伸油時(shí)應(yīng)注意氯型沖壓油可能發(fā)生白銹的問(wèn)題，所以要選擇潤(rùn)硫型拉伸油可以避免生銹問(wèn)題。不銹鋼是容易產(chǎn)生硬化的材料，要求使用油膜強(qiáng)度高、抗燒結(jié)性好的拉伸油。一般選用含有硫氯復(fù)合型添加劑的拉伸油，在保證極壓性能的同時(shí)避免工件出現(xiàn)毛刺、破裂等問(wèn)題，五金沖壓件的尺寸精度是由公差登記所衡量的，國(guó)標(biāo)規(guī)定分為20個(gè)等級(jí)，從IT01、IT0、IT1、IT2～I(xiàn)T18, 數(shù)字越大，公差等級(jí)（加工精度）越低，尺寸允許的變動(dòng)范圍（公差數(shù)值）越大，加工難度越小</p><p style="text-indent:25px">精密拉伸件就必須保證潤(rùn)滑劑能***的發(fā)揮作用應(yīng)力要小，精密度才能保持在0.03mm內(nèi)。精密拉伸件根據(jù)材料的不同，潤(rùn)滑劑可以選擇的種類不一樣，比較軟的材料如紫銅，可以硬脂酸鋅與動(dòng)物油配成的潤(rùn)滑劑，精密拉伸件材料是鐵低碳鋼以前都用磷化皂化工藝在材料表面附上一層潤(rùn)滑劑效果非常好，但現(xiàn)在因?yàn)榄h(huán)境問(wèn)題都改配方了，有的用硫化豬油和硫化脂肪酸酯為主劑調(diào)和而成，據(jù)說(shuō)效果也還不錯(cuò)。精密拉伸件材料是鋁材質(zhì)的，有人用柴油加一點(diǎn)汽油做潤(rùn)滑劑也能達(dá)到好好的效果?？傊芾旒欢ㄒ鶕?jù)不同的金屬材質(zhì)配方不同的潤(rùn)滑劑生產(chǎn)，千萬(wàn)不要以為潤(rùn)滑劑越濃越好，好的潤(rùn)滑劑表現(xiàn)是與金屬材料表面結(jié)合的緊但又容易清洗掉，所以精密拉伸件的潤(rùn)滑劑是每個(gè)金屬加工廠都絞盡腦汁配方體驗(yàn)而不輕易示人的東西。造成表面劃痕的因素有：不銹鋼拉伸件的表面會(huì)出現(xiàn)劃痕是由于工件與模具表面存在相對(duì)的移動(dòng)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍崗金屬精密拉伸五金件,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074145996094/6078502.png"></div><p style="text-indent:25px">山形拉伸加工（Hill drawing）：沖壓件的側(cè)壁為斜面時(shí)，側(cè)壁在沖壓過(guò)程中是懸空的，不貼模，直到成形結(jié)束時(shí)才貼模。成形時(shí)側(cè)壁的不同部位變形特點(diǎn)不完全相同。丘形拉伸加工（Hill drawing）：丘形蓋板件在成形過(guò)程中的坯件變形不是簡(jiǎn)單的拉伸變形，而是拉伸和脹形變形同時(shí)存在的復(fù)合成形。壓料面上坯件的變形為拉伸變形（徑向?yàn)槔瓚?yīng)力，切向?yàn)閴簯?yīng)力），而輪廓內(nèi)部（特別是中心區(qū)域）坯件的變形為脹形變形（徑向和切向均為拉應(yīng)力）。馬氏體相又脆，因此會(huì)容易出現(xiàn)開裂。羅湖質(zhì)量精密拉伸五金件的用途和特點(diǎn)</p><p style="text-indent:25px">拉伸件應(yīng)用于機(jī)械、電子、電器、儀表、汽車、航空、**產(chǎn)品。龍崗金屬精密拉伸五金件</p><p style="text-indent:25px">帶凸緣（法蘭）圓筒產(chǎn)品的拉伸。法蘭與底部均為平面形狀，圓筒側(cè)壁為軸對(duì)稱，在同一圓周上變形均勻分布，法蘭上毛坯產(chǎn)生拉深變形，法蘭上毛坯的變形為拉伸變形，但變形量與變形比沿輪廓形狀相應(yīng)變化。曲率越大的部分，毛坯的塑性變形量就越大；反之，曲率越小的部分，毛坯的塑性變形越小一次拉伸成形的低矩形件。拉伸時(shí)，凸緣變形區(qū)圓角處的拉伸阻力大于直邊處的拉伸阻力，圓角處的變形程度大于直邊處的變形程度，沖壓件的側(cè)壁為斜面時(shí)，側(cè)壁在沖壓過(guò)程中是懸空的，不貼模，直到成形結(jié)束時(shí)才貼模。成形時(shí)側(cè)壁的不同部位變形特點(diǎn)不完全相同。龍崗金屬精密拉伸五金件</p><p style="text-indent:25px">深圳市銘豐慶五金制品有限公司創(chuàng)建于2004-12-09，注冊(cè)資金 500-700萬(wàn)元，是一家專注一般經(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。公司目前擁有51~100人員工，為員工提供廣闊的發(fā)展平臺(tái)與成長(zhǎng)空間，為客戶提供高質(zhì)高效的產(chǎn)品服務(wù)，深受員工與客戶好評(píng)。誠(chéng)實(shí)、守信是對(duì)企業(yè)的經(jīng)營(yíng)要求，也是我們做人的基本準(zhǔn)則。公司致力于打造***的[ "五金沖壓", "精密彈簧", "精密五金模具", "眼鏡配件" ]。目前公司已經(jīng)成為[ "五金沖壓", "精密彈簧", "精密五金模具", "眼鏡配件" ]的**企業(yè)，正積蓄著更大的能量，向更廣闊的空間、更***的領(lǐng)域拓展。</p></p><br /><p>文章來(lái)源地址: http://www.cdcfah.com/cp/849007.html</p></div></div></div></div></div><div id="vgefw88" class="page-right twoColRt"><div id="jbhyf3f" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="feamyce" 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" 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