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</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(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="v2kmtv3" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="8i8rv3q" class="box"><p><p style="text-indent:25px">鍛造設(shè)備的種類繁多，錘類鍛造設(shè)備、熱模鍛壓力機(jī)、螺旋壓力機(jī)、版平鍛機(jī)、液壓機(jī)等是權(quán)目前鍛造車間的常用生產(chǎn)設(shè)備，北京環(huán)鍛生產(chǎn)線。鍛造設(shè)備的合理選用，主要是由生產(chǎn)的實(shí)用性和經(jīng)濟(jì)性所決定的。應(yīng)該根據(jù)工廠現(xiàn)有設(shè)備的實(shí)際情況靈活選用。一般來說，中小型自由鍛件選用自由鍛錘；大型鍛件選用自由鍛錘或水壓機(jī)；大批量生產(chǎn)的模鍛件宜選用熱模鍛壓力機(jī)；中等批量模鍛件、小型復(fù)雜鍛件宜選用有砧座模鍛錘；難變形材料的大、中型模鍛件宜選用對(duì)擊狂；對(duì)稱形精密鍛件宜選用螺旋壓力機(jī)；大型輕金屬模鍛件宜選用液壓機(jī)，北京環(huán)鍛生產(chǎn)線，北京環(huán)鍛生產(chǎn)線。世界上超萬噸級(jí)的熱鍛模鍛壓力機(jī)、大型模鍛自動(dòng)生產(chǎn)線已經(jīng)普遍可見，液壓螺旋壓力機(jī)的噸位已經(jīng)超過8000t，模鍛液壓機(jī)超過70000t，多向模鍛液壓機(jī)超過65000t。保證鍛壓機(jī)械定期的檢查，因?yàn)槎ㄆ跈z查才能夠防止鍛壓機(jī)械出現(xiàn)問題。北京環(huán)鍛生產(chǎn)線</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京環(huán)鍛生產(chǎn)線,鍛造設(shè)備" src="https://tyunfile.71360.com/UploadFile/15961751058/637340623784667968/7360833.png"></div><p style="text-indent:25px">鍛造設(shè)備的技術(shù)發(fā)展情況：電動(dòng)螺旋壓力機(jī)。電動(dòng)螺旋壓力機(jī)由兩臺(tái)或多臺(tái)電動(dòng)機(jī)借助一級(jí)齒輪減速機(jī)構(gòu)，間接驅(qū)動(dòng)飛輪作雙向交替旋轉(zhuǎn)運(yùn)動(dòng)；采用特制的三相交流變頻電動(dòng)機(jī)或開關(guān)磁阻電機(jī)，滿足了壓力機(jī)工作時(shí)對(duì)電動(dòng)機(jī)頻繁正反轉(zhuǎn)的要求；可根據(jù)鍛件成形工藝要求，調(diào)整打擊力和打擊能量，鍛件成形精度高，模具使用壽命長；上料和出料以及調(diào)整模具時(shí)，電機(jī)可間歇工作，無需連續(xù)運(yùn)轉(zhuǎn)，節(jié)約電能。在各種螺旋壓力機(jī)中，電動(dòng)螺旋壓力機(jī)的明顯優(yōu)點(diǎn)是主機(jī)結(jié)構(gòu)較簡單，傳動(dòng)鏈非常短，因此故障率低，易于維護(hù)。與摩擦壓力機(jī)相比，不需更換摩擦帶等易損件；與液壓螺旋壓力機(jī)相比，無液壓驅(qū)動(dòng)單元，使用維護(hù)費(fèi)用明顯減少。目前我國已成功研制了EPC-00/630/1000/1600/2000/2500/4000/8000等多種產(chǎn)品。但由于電動(dòng)螺旋壓力機(jī)對(duì)電機(jī)性能要求很高，而電機(jī)及其控制技術(shù)又比較復(fù)雜，因此在開發(fā)和應(yīng)用萬噸級(jí)以上公稱力噸位的電動(dòng)螺旋壓力機(jī)時(shí)，應(yīng)在與其他類型的螺旋壓力機(jī)進(jìn)行技術(shù)經(jīng)濟(jì)分析比較后再綜合考慮確定。北京環(huán)鍛生產(chǎn)線不適于鍛造低塑性和再結(jié)晶速度慢的特種合金。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京環(huán)鍛生產(chǎn)線,鍛造設(shè)備" src="https://tyunfile.71360.com/UploadFile/15961751058/637340623872968750/7301740.png"></div><p style="text-indent:25px">鍛造設(shè)備：鑄造是一種金屬熱加工工藝，是現(xiàn)代機(jī)械制造工業(yè)的基礎(chǔ)工藝之一，在我國發(fā)展日漸成熟。而用于金屬生產(chǎn)加工的鑄造設(shè)備就是利用這種技術(shù)將金屬熔煉成符合一定要求的液體并澆進(jìn)鑄型里，經(jīng)冷卻凝固、清整處理后得到有預(yù)定形狀、尺寸和性能的鑄件的機(jī)械。目前鑄造設(shè)備的種類繁多，一般按造型方法來分類，習(xí)慣上分為普通砂型鑄造和特種鑄造。普通砂型鑄造包括濕砂型、干砂型、化學(xué)硬化砂型鑄造三類。特種鑄造按造型材料的不同，又可分為兩大類：一類以天然礦產(chǎn)砂石作為主要造型材料，如熔模鑄造、殼型鑄造、負(fù)壓鑄造、泥型鑄造、實(shí)型鑄造、陶瓷型鑄造等;</p><p style="text-indent:25px">鍛造設(shè)備的選擇原則：1、鈦合金鍛件。建議選用液壓機(jī)模鍛大型鈦合金模鍛件。中小型鈦合金模鍛件則以選用機(jī)械壓力機(jī)和螺旋壓力機(jī)模鍛。在缺乏上述設(shè)備時(shí)，亦可選用鍛錘，但此時(shí)應(yīng)嚴(yán)格按照工藝規(guī)程的規(guī)定操作，以免造成組織和性能不合格。2、不銹鋼鍛件。不銹鋼鍛件鍛造一般不受鍛壓設(shè)備類型的限制。3、高溫合金鍛件。大型高溫合金模鍛件，例如渦輪盤，建議選用液壓機(jī)模鍛。中小型高溫合金模鍛件，則建議選用機(jī)械壓力機(jī)模鍛；亦可采用螺旋壓力機(jī)模鍛，一般不推薦選用模鍛錘模鍛。大型鍛件選用自由鍛錘或水壓機(jī)。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="北京環(huán)鍛生產(chǎn)線,鍛造設(shè)備" src="https://tyunfile.71360.com/UploadFile/15961751058/637340623978291015/5884873.png"></div><p style="text-indent:25px">鍛造設(shè)備的技術(shù)發(fā)展情況：熱模鍛壓力機(jī)的技術(shù)引進(jìn)和國產(chǎn)化的實(shí)現(xiàn)，為我國鍛造行業(yè)由錘上鍛造模式發(fā)展到與國際先進(jìn)水平同步的壓力機(jī)鍛造的大批量生產(chǎn)模式奠定了裝備基礎(chǔ)，有效支撐了我國汽車工業(yè)20世紀(jì)90年代后期以來的規(guī)?；l(fā)展。大公稱壓力行程冷鍛壓力機(jī)。大公稱壓力行程冷鍛壓力機(jī)是實(shí)現(xiàn)高效冷鍛生產(chǎn)的關(guān)鍵設(shè)備。冷鍛工藝要求滑塊在下死點(diǎn)附近速度慢、公稱壓力行程長（距下死點(diǎn)大于25mm），中心技術(shù)是廣義肘桿機(jī)構(gòu)，在滑塊行程和行程次數(shù)均相同的前提下，廣義肘桿機(jī)構(gòu)在下死點(diǎn)附近的速度要慢得多，而且可以擴(kuò)大公稱壓力行程，公稱壓力行程大的壓力機(jī)其輸出能量相對(duì)較大，在大變形擠壓時(shí)飛輪速降小。結(jié)構(gòu)鋼和不銹鋼大型模鍛件，由于經(jīng)濟(jì)原因一般選擇對(duì)擊錘和模鍛錘模鍛。北京環(huán)鍛生產(chǎn)線</p><p style="text-indent:25px">鍛錘上模鍛也有其難以克服的缺點(diǎn)，例如噪聲和振動(dòng)大、污染環(huán)境、勞動(dòng)條件差。北京環(huán)鍛生產(chǎn)線</p><p style="text-indent:25px">鈦合金自由鍛造設(shè)備的選擇：液壓機(jī)按照鍛造速度分為普鍛機(jī)和快鍛機(jī)。由于鈦合金的鍛造溫度區(qū)間很窄，加之隨著現(xiàn)代工業(yè)的快速發(fā)展，人們對(duì)自由鍛件的尺寸精度和生產(chǎn)效率提出了越來越高的要求，因而對(duì)液壓機(jī)的鍛造速度和壓下精度的要求也隨之提高，為了適應(yīng)這種要求，快鍛液壓機(jī)應(yīng)運(yùn)而生?？戾憴C(jī)的液壓系統(tǒng)采用具有快速反應(yīng)的電磁閥作先導(dǎo)閥，其切換頻率高達(dá)250次/min，故該閥動(dòng)態(tài)響應(yīng)快、動(dòng)作靈敏、啟閉迅速，能滿足壓機(jī)快速性要求。在20世紀(jì)80年代中期，由西安重型機(jī)械研究所和北京重型機(jī)械廠研制成國內(nèi)第1臺(tái)800t快鍛液壓機(jī)組，在蘭石公司投入運(yùn)行。目前，已能生產(chǎn)800t、1600t、2000t、4500t快鍛液壓機(jī)，制造水平有了很大提高，但其液壓系統(tǒng)的主要部件如泵、先導(dǎo)閥等還需國外配套。我國快鍛液壓機(jī)的總體水平與德國等發(fā)達(dá)國家的制造技術(shù)相比還有較大的差距。由于快鍛機(jī)相比普鍛機(jī)，具有自動(dòng)化程度高、運(yùn)行速度快、可控制壓下量、節(jié)能節(jié)材效果明顯等特點(diǎn)，使工作效率更高，提高了鍛件外觀質(zhì)量和組織性能、減少了操作人員。因此目前鈦合金的自由鍛造設(shè)備主要使用快鍛機(jī)。北京環(huán)鍛生產(chǎn)線</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/3119549.html</p></div></div></div></div></div><div id="cbif32v" class="page-right twoColRt"><div id="u22zqn9" class="box01 margin10 clearfix"><h3><a 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