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• 鍍鋅方管是怎樣成型的

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• 　　鍍鋅方管成型品質預測分析關鍵以數值模擬方式主導，有限元實體模型創建的精確性立即決策了成型品質預測分析的精確性及其可信性，現階段運用較多的商業彎頭模擬系統雖在一定水平上處理了工程項目上的迫在眉睫，但因為一部分重要加工工藝主要參數的挑選缺乏互動實際操作，給深入分析這種加工工藝主要參數對彎頭成型品質的危害規律性及其加工工藝主要參數提升等產生了艱難，急需解決創建一個包含重要加工工藝主要參數以內的鍍鋅方管塑性變形彎折有限元實體模型。在鍍鋅方管彎折的具體生產過程中，關鍵憑著工作經驗或參考手冊選擇比較適合的加工工藝主要參數，為了防止和盡量地降低發現異常，一般都選擇較為傳統的標值，因而生產加工的鍍鋅方管零件通常達不上質量標準的最優化值。就在我國數控加工技術的發展趨勢現況來講，加工工藝主要參數的挑選是困惑彎頭數控車床加工的一個關鍵難題。加工工藝主要參數中間存有交互作用，罷了有加工工藝主要參數提升層面的科學研究關鍵根據很多的試驗找尋行得通的加工工藝主要參數組成，對具體運用的指導作用并不大。有關多總體目標、多約束力提升的計算方式科學研究較為基礎薄弱，必須對于生產制造具體明確提出一整套提升對策，以考慮生產制造要求。鍍鋅方管塑性變形彎折成型的生產加工起步晚于硬件環境的發展趨勢，因而造成CNC彎管機不可以充分運用功效，盡管這一難題已造成世界各國有關學術研究的高度重視，但仍缺乏系統軟件、全方位、綜合性的科學研究。這書對于鍍鋅方管塑性變形彎折成型原理、成型品質預測分析及其加工工藝主要參數開發技術進行科學研究，為深層次把握彎頭成型缺點造成緣故、有效挑選加工工藝主要參數出示具體指導，以保持彎頭的高品質、高效率、低消耗生產制造及其從傳統式生產制造向可預測分析生產制造的變化。

  　　各章(zhang)(zhang)(zhang)節(jie)目錄內(nei)(nei)容(rong)分(fen)(fen)配以下：第1章(zhang)(zhang)(zhang)全(quan)(quan)(quan)方(fang)(fang)(fang)位闡述了鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)彎(wan)(wan)(wan)(wan)(wan)(wan)折成(cheng)(cheng)(cheng)型(xing)(xing)(xing)原(yuan)理(li)、成(cheng)(cheng)(cheng)型(xing)(xing)(xing)品質預(yu)測分(fen)(fen)析(xi)及(ji)(ji)其加工(gong)工(gong)藝(yi)主(zhu)要(yao)參(can)數(shu)(shu)開(kai)發技術科(ke)學(xue)研究(jiu)(jiu)的(de)(de)(de)關鍵影(ying)響力(li)和(he)(he)(he)功效，詳(xiang)細介紹了這書(shu)的(de)(de)(de)研究(jiu)(jiu)背景、當今的(de)(de)(de)科(ke)學(xue)研究(jiu)(jiu)現況(kuang)和(he)(he)(he)存在的(de)(de)(de)問題，另外得出本(ben)書(shu)的(de)(de)(de)研究(jiu)(jiu)方(fang)(fang)(fang)向(xiang)和(he)(he)(he)關鍵技術第2章(zhang)(zhang)(zhang)對(dui)于鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)空心構造特性(xing)，科(ke)學(xue)研究(jiu)(jiu)鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)物(wu)理(li)性(xing)能的(de)(de)(de)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)化(hua)趨勢，明確提(ti)出了根(gen)據神經(jing)元網絡(luo)的(de)(de)(de)結(jie)構力(li)學(xue)技術參(can)數(shu)(shu)明確方(fang)(fang)(fang)式;根(gen)據平面圖地應(ying)(ying)(ying)(ying)力(li)和(he)(he)(he)三向(xiang)應(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)力(li)假(jia)定，深(shen)入(ru)分(fen)(fen)析(xi)了鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)彎(wan)(wan)(wan)(wan)(wan)(wan)折形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)全(quan)(quan)(quan)過(guo)程中(zhong)的(de)(de)(de)應(ying)(ying)(ying)(ying)力(li)應(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)遍布情況(kuang)及(ji)(ji)其地應(ying)(ying)(ying)(ying)力(li)、應(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)力(li)中(zhong)性(xing)化(hua)層的(de)(de)(de)偏位部位測算了鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)塑(su)(su)性(xing)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)形彎(wan)(wan)(wan)(wan)(wan)(wan)折成(cheng)(cheng)(cheng)型(xing)(xing)(xing)需要(yao)的(de)(de)(de)扭(niu)矩第3章(zhang)(zhang)(zhang)搭(da)建了根(gen)據鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)本(ben)構關聯(lian)的(de)(de)(de)回彈力(li)預(yu)測分(fen)(fen)析(xi)實體模(mo)型(xing)(xing)(xing);依據鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)塑(su)(su)性(xing)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)形彎(wan)(wan)(wan)(wan)(wan)(wan)折形變(bian)(bian)(bian)(bian)(bian)(bian)(bian)特性(xing)，創建彎(wan)(wan)(wan)(wan)(wan)(wan)頭(tou)截面內(nei)(nei)、直徑短軸變(bian)(bian)(bian)(bian)(bian)(bian)(bian)化(hua)率、壁厚(hou)(hou)減薄率和(he)(he)(he)壁厚(hou)(hou)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)厚(hou)(hou)率的(de)(de)(de)近似計算實體模(mo)型(xing)(xing)(xing);深(shen)入(ru)分(fen)(fen)析(xi)截面崎變(bian)(bian)(bian)(bian)(bian)(bian)(bian)約朿和(he)(he)(he)壁厚(hou)(hou)轉(zhuan)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)約束力(li)的(de)(de)(de)彎(wan)(wan)(wan)(wan)(wan)(wan)頭(tou)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)極限(xian);最終對(dui)有關基礎(chu)理(li)論計算方(fang)(fang)(fang)法(fa)(fa)開(kai)展(zhan)了試(shi)驗(yan)認證。第4章(zhang)(zhang)(zhang)根(gen)據鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)塑(su)(su)性(xing)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)形彎(wan)(wan)(wan)(wan)(wan)(wan)折成(cheng)(cheng)(cheng)型(xing)(xing)(xing)加工(gong)工(gong)藝(yi)全(quan)(quan)(quan)過(guo)程，明確提(ti)出全(quan)(quan)(quan)參(can)數(shu)(shu)化(hua)有限(xian)元建模(mo)方(fang)(fang)(fang)法(fa)(fa)創建包含鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)和(he)(he)(he)磨(mo)具(ju)的(de)(de)(de)原(yuan)材料主(zhu)要(yao)參(can)數(shu)(shu)、幾何圖形主(zhu)要(yao)參(can)數(shu)(shu)及(ji)(ji)其有關加工(gong)工(gong)藝(yi)主(zhu)要(yao)參(can)數(shu)(shu)以內(nei)(nei)的(de)(de)(de)鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)塑(su)(su)性(xing)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)形彎(wan)(wan)(wan)(wan)(wan)(wan)折成(cheng)(cheng)(cheng)型(xing)(xing)(xing)有限(xian)元實體模(mo)型(xing)(xing)(xing);深(shen)入(ru)分(fen)(fen)析(xi)鍍(du)(du)(du)鋅(xin)方(fang)(fang)(fang)管(guan)(guan)(guan)(guan)塑(su)(su)性(xing)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)形彎(wan)(wan)(wan)(wan)(wan)(wan)折成(cheng)(cheng)(cheng)型(xing)(xing)(xing)全(quan)(quan)(quan)過(guo)程中(zhong)的(de)(de)(de)應(ying)(ying)(ying)(ying)力(li)應(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)(bian)(bian)情況(kuang)，認證基礎(chu)理(li)論深(shen)入(ru)分(fen)(fen)析(xi)的(de)(de)(de)準確性(xing);保持彎(wan)(wan)(wan)(wan)(wan)(wan)頭(tou)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)品質的(de)(de)(de)全(quan)(quan)(quan)自動獲取和(he)(he)(he)預(yu)測分(fen)(fen)析(xi)，并選用綜(zong)合(he)性(xing)指數(shu)(shu)值法(fa)(fa)對(dui)彎(wan)(wan)(wan)(wan)(wan)(wan)頭(tou)成(cheng)(cheng)(cheng)型(xing)(xing)(xing)品質開(kai)展(zhan)考核評價。

  　　對于各主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)對彎(wan)(wan)頭成(cheng)型品(pin)(pin)質(zhi)的(de)(de)(de)(de)(de)危(wei)(wei)害(hai)規律性(xing)(xing)(xing)及(ji)其危(wei)(wei)害(hai)的(de)(de)(de)(de)(de)顯著(zhu)性(xing)(xing)(xing)差(cha)異開展(zhan)科(ke)(ke)學(xue)研究;以(yi)顯著(zhu)性(xing)(xing)(xing)差(cha)異危(wei)(wei)害(hai)加(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)為(wei)提(ti)升(sheng)目標(biao)(biao)，以(yi)成(cheng)型品(pin)(pin)質(zhi)缺點(dian)為(wei)提(ti)升(sheng)總體目標(biao)(biao)，明(ming)確(que)(que)(que)提(ti)出實驗(yan)、神(shen)經元網絡與(yu)(yu)PS0計(ji)算方(fang)(fang)(fang)式(shi)(shi)緊(jin)密結合的(de)(de)(de)(de)(de)彎(wan)(wan)頭加(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)提(ti)升(sheng)方(fang)(fang)(fang)式(shi)(shi)，并(bing)且(qie)以(yi)航(hang)空航(hang)天用鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)彎(wan)(wan)折生產加(jia)(jia)(jia)工(gong)(gong)(gong)為(wei)例對加(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)提(ti)升(sheng)方(fang)(fang)(fang)式(shi)(shi)開展(zhan)認(ren)證(zheng)。鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)彎(wan)(wan)折成(cheng)型是一(yi)個(ge)(ge)典型性(xing)(xing)(xing)的(de)(de)(de)(de)(de)彈塑(su)性(xing)(xing)(xing)形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)全(quan)(quan)過程，其個(ge)(ge)人行為(wei)與(yu)(yu)原材(cai)料(liao)(liao)自身的(de)(de)(de)(de)(de)特(te)性(xing)(xing)(xing)和外部形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)標(biao)(biao)準息息相關，因而需從原材(cai)料(liao)(liao)內部的(de)(de)(de)(de)(de)地(di)應(ying)力(li)(li)(li)、應(ying)變(bian)(bian)(bian)(bian)(bian)力(li)(li)(li)下手，對原材(cai)料(liao)(liao)的(de)(de)(de)(de)(de)形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)和流(liu)動(dong)性(xing)(xing)(xing)規律性(xing)(xing)(xing)開展(zhan)科(ke)(ke)學(xue)研究，便于深人把握鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)的(de)(de)(de)(de)(de)彎(wan)(wan)折形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)原理(li)(li)，提(ti)升(sheng)彎(wan)(wan)頭成(cheng)型品(pin)(pin)質(zhi)鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)彎(wan)(wan)折是在(zai)(zai)(zai)各磨具的(de)(de)(de)(de)(de)融洽相互配合下，借助(zhu)兩(liang)側壁(bi)原材(cai)料(liao)(liao)的(de)(de)(de)(de)(de)伸(shen)(shen)展(zhan)和內外壁(bi)原材(cai)料(liao)(liao)的(de)(de)(de)(de)(de)減(jian)少保持的(de)(de)(de)(de)(de)，形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)起止環(huan)節(jie)鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)處在(zai)(zai)(zai)延展(zhan)性(xing)(xing)(xing)形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)情況，伴隨著(zhu)形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)水(shui)平的(de)(de)(de)(de)(de)持續(xu)提(ti)升(sheng)，鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)的(de)(de)(de)(de)(de)塑(su)性(xing)(xing)(xing)形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)由鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)最兩(liang)側慢慢向(xiang)鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)中央政府拓展(zhan)，在(zai)(zai)(zai)全(quan)(quan)部形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)全(quan)(quan)過程中，伴隨應(ying)力(li)(li)(li)應(ying)變(bian)(bian)(bian)(bian)(bian)遍布情況的(de)(de)(de)(de)(de)轉變(bian)(bian)(bian)(bian)(bian)，并(bing)且(qie)地(di)應(ying)力(li)(li)(li)中性(xing)(xing)(xing)化層(ceng)(ceng)和應(ying)變(bian)(bian)(bian)(bian)(bian)力(li)(li)(li)中性(xing)(xing)(xing)化層(ceng)(ceng)的(de)(de)(de)(de)(de)部位(wei)也會(hui)產生偏(pian)位(wei)。這(zhe)種要(yao)(yao)(yao)(yao)素的(de)(de)(de)(de)(de)存有都將會(hui)危(wei)(wei)害(hai)彎(wan)(wan)頭的(de)(de)(de)(de)(de)成(cheng)型品(pin)(pin)質(zhi)和成(cheng)型精密度這(zhe)章根(gen)據(ju)管(guan)(guan)道拉(la)伸(shen)(shen)實驗(yan)分(fen)析材(cai)料(liao)(liao)主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)和幾何(he)圖形(xing)(xing)主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)對鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)物理(li)(li)性(xing)(xing)(xing)能的(de)(de)(de)(de)(de)危(wei)(wei)害(hai)創建反映鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)彈塑(su)性(xing)(xing)(xing)形(xing)(xing)變(bian)(bian)(bian)(bian)(bian)特(te)點(dian)的(de)(de)(de)(de)(de)本(ben)構關聯，明(ming)確(que)(que)(que)提(ti)出根(gen)據(ju)神(shen)經元網絡的(de)(de)(de)(de)(de)結構力(li)(li)(li)學(xue)技術參(can)(can)(can)數(shu)(shu)(shu)明(ming)確(que)(que)(que)方(fang)(fang)(fang)式(shi)(shi);在(zai)(zai)(zai)這(zhe)個(ge)(ge)基(ji)(ji)(ji)礎上，深入分(fen)析鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)彎(wan)(wan)折成(cheng)型全(quan)(quan)過程中的(de)(de)(de)(de)(de)應(ying)力(li)(li)(li)應(ying)變(bian)(bian)(bian)(bian)(bian)遍布，科(ke)(ke)學(xue)研究應(ying)力(li)(li)(li)應(ying)變(bian)(bian)(bian)(bian)(bian)中性(xing)(xing)(xing)化層(ceng)(ceng)的(de)(de)(de)(de)(de)偏(pian)移;在(zai)(zai)(zai)考慮到(dao)應(ying)變(bian)(bian)(bian)(bian)(bian)力(li)(li)(li)中性(xing)(xing)(xing)化層(ceng)(ceng)偏(pian)位(wei)的(de)(de)(de)(de)(de)狀況下，計(ji)算鍍(du)(du)(du)(du)鋅方(fang)(fang)(fang)管(guan)(guan)塑(su)性(xing)(xing)(xing)變(bian)(bian)(bian)(bian)(bian)形(xing)(xing)彎(wan)(wan)折扭矩基(ji)(ji)(ji)礎理(li)(li)論(lun)計(ji)算方(fang)(fang)(fang)法，為(wei)明(ming)確(que)(que)(que)壓膜、工(gong)(gong)(gong)作壓力(li)(li)(li)等加(jia)(jia)(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)主要(yao)(yao)(yao)(yao)參(can)(can)(can)數(shu)(shu)(shu)確(que)(que)(que)立基(ji)(ji)(ji)礎理(li)(li)論(lun)基(ji)(ji)(ji)本(ben)。