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class="proBig"><div id="ajld32t" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="tb87b88" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="wkrtaxb" 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>龍華質(zhì)量精密拉伸五金件,精密拉伸五金件</p><p><span>***更新：</span>2020-09-17 10:05:06</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="8xewipw" 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="2hjqse7" class="page-proshow02"><p class="title">詳細(xì)說(shuō)明</p><div id="o3skbtv" class="box"><p><p style="text-indent:25px">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，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，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，超過(guò)拉伸加工極限的拉伸加工產(chǎn)品，龍華質(zhì)量精密拉伸五金件，需要經(jīng)過(guò)兩次以上的多次拉伸方能完成，龍華質(zhì)量精密拉伸五金件。經(jīng)過(guò)前工位深度方向拉伸加工的產(chǎn)品，在深度方向進(jìn)行再拉伸加工。寬凸緣拉伸件，***次拉伸時(shí)就拉伸成所要求的凸緣直徑，龍華質(zhì)量精密拉伸五金件，在其后再拉伸時(shí)，凸緣直徑保持不變。沖壓拉伸件在生產(chǎn)的過(guò)程中需要做好防腐處理。龍華質(zhì)量精密拉伸五金件</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華質(zhì)量精密拉伸五金件,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074093007813/4737142.png"></div><p> 邊緣拉伸加工：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。 </p> <p> <br /> </p> <p> 深度拉伸加工：超過(guò)拉伸加工極限的拉伸加工產(chǎn)品，需要經(jīng)過(guò)兩次以上的多次拉伸方能完成。經(jīng)過(guò)前工位深度方向拉伸加工的產(chǎn)品，在深度方向進(jìn)行再拉伸加工。 </p> <p> <br /> </p> <p> 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。 </p> <p> <br /> 坪山防腐精密拉伸五金件哪里買拉伸件成型沖壓加工是禾聚精密的六大技術(shù)之一。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華質(zhì)量精密拉伸五金件,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074274453125/5442382.png"></div><p style="text-indent:25px">變薄拉伸加工（Ironing）：與普通拉伸不同，變薄拉伸主要是在拉伸過(guò)程中改變拉伸件筒壁的厚度。凸凹模之間的間隙小于毛坯厚度，毛坯直壁部分在通過(guò)間隙時(shí)，處于較大的均勻壓應(yīng)力之下，拉伸過(guò)程中壁厚變薄的同時(shí)，消除容器壁厚偏差，增加容器表面的光滑度，提高精度和強(qiáng)度面板拉伸加工（Panel drawing）：面板產(chǎn)品是板材沖壓件，表面形狀復(fù)雜。在拉伸工序中，毛坯變形復(fù)雜，其成形性質(zhì)已非簡(jiǎn)單的拉伸成形，而是拉深與脹形同時(shí)存在的復(fù)合成形。</p><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> <br /> </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。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。 </p> <p> <br /> 這兩種特殊水泥涂層均適用于沖壓拉伸件的內(nèi)防腐，提高抵抗侵蝕的能力。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="龍華質(zhì)量精密拉伸五金件,精密拉伸五金件" src="https://tyunfile.71360.com/UploadFile/mfq123/637280074239697266/6761125.png"></div><p> </p> <p> 變薄拉伸加工：用凸模將已成形容器擠入比容器外徑稍小的凹模型腔內(nèi)，使帶底的容器外徑變小，同時(shí)壁厚變薄，既消除壁厚偏差，又使容器表面光滑。按照沖壓時(shí)的溫度情況有冷沖壓和熱沖壓兩種方式。這取決于精密小五金拉伸件材料的強(qiáng)度、厚度、變形程度以及設(shè)備能力等，同時(shí)應(yīng)考慮材料的原始熱處理狀態(tài)和**終使用條件。按照沖壓時(shí)的溫度情況有冷沖壓和熱沖壓兩種方式。這取決于精密小五金拉伸件材料的強(qiáng)度、厚度、變形程度以及設(shè)備能力等，同時(shí)應(yīng)考慮材料的原始熱處理狀態(tài)和**終使用條件。 </p> <p> <br /> 堆疊以及纏繞等，相互之間要留有一定的空隙。寶安精密拉伸五金件加工廠</p><p style="text-indent:25px">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。龍華質(zhì)量精密拉伸五金件</p><p style="text-indent:25px">矩形拉伸加工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)。龍華質(zhì)量精密拉伸五金件</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。銘豐慶五金制品作為一般經(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)。的企業(yè)之一，為客戶提供良好的五金沖壓，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/1316684.html</p></div></div></div></div></div><div id="qjli8ao" class="page-right twoColRt"><div id="32proqc" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="wvnu87e" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img 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