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src="https://tyunfile.71360.com/UploadFile/15961751058/637340624026210937/2993634.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="luwjqpb" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/UploadFile/15961751058/637340624026210937/2993634.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="2czwtn7" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>江蘇省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>北京驅(qū)動輪生產(chǎn)線哪家好,鍛造設(shè)備</p><p><span>***更新：</span>2021-01-24 00:23:22</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="3xegnpw" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">江蘇攏研機(jī)械有限公司</a></p><p><span>聯(lián)系人：</span>王啟龍</p><p><span>郵箱: </span>longyanjixie_lvlan@163.com</p><p><span>電話: </span>15610600788</p><p><span>傳真: </span>0510_85599228</p><p><span>網(wǎng)址: </span>http://www.longyanjixie.com</p><p><span>手機(jī): </span>0510-85592128</p><p><span>地址: </span>胡埭鎮(zhèn)鴻翔路22號</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="q8kc2lu" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="a8km7sp" class="box"><p><p style="text-indent:25px">我國鍛造設(shè)備的現(xiàn)狀：大部分先進(jìn)高效的鍛造設(shè)備都不是我國自己自立設(shè)計制造的，其中較通用的幾大類設(shè)備的生產(chǎn)制造水平也落后于發(fā)達(dá)國家。在我國自行設(shè)計制造的鍛造設(shè)備中，部分設(shè)備的結(jié)構(gòu)仍沿用德國20世紀(jì)中后期的結(jié)構(gòu)，缺少創(chuàng)新和改進(jìn)，北京驅(qū)動輪生產(chǎn)線哪家好，缺少現(xiàn)代技術(shù)和工藝。這些設(shè)備的質(zhì)量不穩(wěn)定，特別是加工和裝配質(zhì)量遠(yuǎn)低于發(fā)達(dá)國家。自由鍛與熱模鍛方面。大型自由鍛造設(shè)備的產(chǎn)能過剩，設(shè)備布局分散，利用率極低，機(jī)械化、自動化程度低，鍛件加工余量大，北京驅(qū)動輪生產(chǎn)線哪家好，工人勞動條件差，勞動強(qiáng)度大。在汽車大型模鍛件的自動化方面，只有一汽、東風(fēng)、重汽等少數(shù)大公司從國外整套引進(jìn)熱模鍛壓力機(jī)自動化生產(chǎn)線；我國絕大部分中小企業(yè)仍采用模鍛錘和壓力機(jī)模鍛相結(jié)合的格局，自動化程度低；中小模鍛件的生產(chǎn)仍然是模鍛錘占多數(shù)，北京驅(qū)動輪生產(chǎn)線哪家好，基本上是人工操作，錘上模鍛機(jī)械手應(yīng)用的很少；高速自動熱鍛機(jī)主要依賴進(jìn)口。鍛壓設(shè)備行業(yè)節(jié)能減排應(yīng)從兩個方面理解：一個是直接的節(jié)能；另一個是間接節(jié)能。北京驅(qū)動輪生產(chǎn)線哪家好</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京驅(qū)動輪生產(chǎn)線哪家好,鍛造設(shè)備" src="https://tyunfile.71360.com/UploadFile/15961751058/637340624026210937/2993634.png"></div><p style="text-indent:25px">鍛造設(shè)備的選擇原則：按照鍛件精度選擇：01高精度鍛件。機(jī)械壓力機(jī)和螺旋壓力機(jī)適合于精密模鍛鈦合金和不銹鋼葉片以及鋁合金、鎂合金和銅合金等中小型鍛件。02一般精度鍛件。液壓機(jī)和鍛錘適合于模鍛一般精度的普通模鍛件。按照鍛件批量和經(jīng)濟(jì)性選擇：01大批量鍛件。機(jī)械壓力機(jī)較適合于汽車、農(nóng)業(yè)機(jī)械、醫(yī)療器械、五金工具等零件和航空發(fā)動機(jī)葉片等大批量模鍛件的生產(chǎn)。02中等批量鍛件。鍛錘和螺旋壓力機(jī)適合于中等批量鍛件的模鍛。03小批量鍛件。液壓機(jī)適合于小批量大型模鍛件的生產(chǎn)。北京驅(qū)動輪生產(chǎn)線哪家好鍛造是機(jī)械制造生產(chǎn)中的一個重要環(huán)節(jié)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京驅(qū)動輪生產(chǎn)線哪家好,鍛造設(shè)備" src="https://tyunfile.71360.com/UploadFile/15961751058/637340623949638672/9697483.png"></div><p style="text-indent:25px">鍛造設(shè)備的選擇原則：在整個工作行程中設(shè)備不斷供給能量，使加載速度基本保持不變，特別適合于模鍛對變形速度敏感的特種合金；工作行程長，適于實(shí)現(xiàn)在一次行程中完成一個大變形量的鍛造工序，如擠壓和鐓粗。但模鍛液壓機(jī)的工作行程長使加載時間長，對模具磨損大和鍛件易于激冷，又為其缺點(diǎn)。中小型的模鍛液壓機(jī)主要用于模鍛鋁合金、鎂合金和銅合金鍛件。萬噸級以上的大型模鍛液壓機(jī)主要用于模鍛大型特種合金結(jié)構(gòu)件，例如，飛機(jī)的大型鋁合金結(jié)構(gòu)件、飛機(jī)的鈦合金隔框、接頭和梁以及高溫合金和鈦合金的發(fā)動機(jī)壓氣機(jī)盤和渦輪盤等。</p><p style="text-indent:25px">鍛造設(shè)備分類：1、鍛錘。一般氣體為工作介質(zhì)，將氣體分子的內(nèi)能轉(zhuǎn)換成執(zhí)行機(jī)構(gòu)的動能，利用碰撞原理，產(chǎn)生巨大沖擊力。屬于沖擊載荷鍛壓機(jī)，如：空氣錘、蒸汽-空氣鍛錘、電液錘、攻速錘等。2、曲柄壓力機(jī)。利用曲柄-連桿機(jī)構(gòu)把傳動部分的旋轉(zhuǎn)運(yùn)動變成滑塊的往復(fù)運(yùn)動；靠傳動系統(tǒng)傳遞的扭矩迫使滑塊給毛坯施加壓力。運(yùn)動和載荷具有周期性，屬于壓力作用的機(jī)器，如：熱模鍛壓力機(jī)、拉深壓力機(jī)、前切機(jī)、精壓機(jī)、平鍛機(jī)、冷鍛機(jī)。3、液壓機(jī)。液體為工作介質(zhì)，利用帕斯卡原理，使執(zhí)行機(jī)構(gòu)產(chǎn)生巨大靜壓力的鍛壓機(jī)器，如：水壓機(jī)、油壓機(jī)。4、旋轉(zhuǎn)式鍛壓機(jī)。利用碾壓原理，使執(zhí)行機(jī)構(gòu)對毛坯局部產(chǎn)生持續(xù)壓力，隨著毛坯運(yùn)動，塑性變形遍布整個鍛件，如：擴(kuò)孔機(jī)、輥鍛機(jī)、擺碾機(jī)等。鍛造設(shè)備是需要定期注油的。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京驅(qū)動輪生產(chǎn)線哪家好,鍛造設(shè)備" src="https://tyunfile.71360.com/UploadFile/15961751058/637340623718750000/2448983.png"></div><p style="text-indent:25px">精鍛方面。精密鍛造技術(shù)與機(jī)械加工相比，冷鍛件、精鍛件可明顯降低成本、節(jié)約原材料。我國鍛造設(shè)備的現(xiàn)狀：一些發(fā)達(dá)國家都在大力發(fā)展精密鍛造技術(shù)。據(jù)統(tǒng)計，發(fā)達(dá)國家鍛造設(shè)備可以生產(chǎn)質(zhì)量公差小于±1%的轎車精密連桿，對通常只有8kg的連桿而言，這就意味著鍛件厚度差必須控制在±0.1mm以內(nèi)，這對鍛造設(shè)備的要求非常高；而我國一般只能達(dá)到±2%～±3%的厚度差；發(fā)達(dá)國家大量轎車零件在**的大型冷、溫鍛壓力機(jī)上實(shí)現(xiàn)冷鍛、溫鍛（每輛轎車約有50kg的冷鍛件），鍛件直徑方向上的精度可達(dá)0.02mm、同心度不大于0.05mm。零件機(jī)加工余量*留0.3mm的磨削量，真正實(shí)現(xiàn)了凈形加工。發(fā)達(dá)國家，精鍛技術(shù)已在汽車制造行業(yè)得到了普遍的應(yīng)用，取得了較好的技術(shù)經(jīng)濟(jì)效益。但是我國由于缺少大型冷鍛、溫鍛設(shè)備，以及模具壽命較低等條件的限制，溫鍛件與冷鍛件占比偏小。鍛造設(shè)備多為重型設(shè)備，設(shè)備上多設(shè)有安穩(wěn)防護(hù)裝置，以保障設(shè)備和人身安穩(wěn)。北京驅(qū)動輪生產(chǎn)線哪家好</p><p style="text-indent:25px">鍛造設(shè)備可分為直線往復(fù)運(yùn)動和相對旋轉(zhuǎn)運(yùn)動兩大類。北京驅(qū)動輪生產(chǎn)線哪家好</p><p style="text-indent:25px">鍛造行業(yè)發(fā)展中存在的問題也不少。首先，技術(shù)方面沒有大的突破，從被鍛材料、模具材料來看，仍然延續(xù)使用既有的材料；其次，鍛造成形工藝研究缺少新的方法；再者，在模具加工中，五軸加工中心的應(yīng)用得到進(jìn)一步擴(kuò)展，其他加工手段雖有一些嘗試，但沒有能大規(guī)模推廣的新工藝產(chǎn)生；較后，企業(yè)能耗管理水平依然較低。其中，應(yīng)得到重視的是人才培養(yǎng)，人才培養(yǎng)依然困難重重，行業(yè)從業(yè)人員青黃不接，年輕人從事鍛造行業(yè)的意愿降低。這種趨勢不是國內(nèi)鍛造行業(yè)所特有，也普遍存在于日本、德國、美國等發(fā)達(dá)工業(yè)國家。北京驅(qū)動輪生產(chǎn)線哪家好</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2978352.html</p></div></div></div></div></div><div id="a7pbyfm" class="page-right twoColRt"><div id="nc7mtf3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="p77suwd" 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) 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