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碳纖維型材成型工藝概述

2020-05-13

        碳纖維型材提(ti)高樹脂基復合材料(liao)起(qi)源于二十世紀30年代,發(fa)展(zhan)趨勢迄今不(bu)上百年老歷史時間,可是復合材料(liao)的(de)(de)制作工(gong)藝(yi)卻擁有(you)20多種。盡管(guan)加工(gong)工(gong)藝(yi)類(lei)型較多,但全是在(zai)同一(yi)基本上依據(ju)不(bu)一(yi)樣的(de)(de)原(yuan)材料(liao)特(te)性和應用(yong)規(gui)定(ding)持(chi)續衍化(hua)出去的(de)(de)。碳(tan)纖維(wei)型材具有(you)品質輕、抗壓(ya)強度大的(de)(de)特(te)性,專業技術人員(yuan)必須依據(ju)不(bu)一(yi)樣應用(yong)領域下碳(tan)纖維(wei)型材的(de)(de)應用(yong)規(gui)定(ding)來挑(tiao)(tiao)選不(bu)一(yi)樣的(de)(de)成(cheng)型工(gong)藝(yi),在(zai)充分發(fa)揮(hui)原(yuan)材料(liao)特(te)性優點的(de)(de)基本上綜(zong)合性考慮到產品成(cheng)本來挑(tiao)(tiao)選成(cheng)形(xing)制作工(gong)藝(yi)。下面(mian)大家就簡略(lve)詳細介紹幾類(lei)常見的(de)(de)碳(tan)纖維(wei)型材成(cheng)型工(gong)藝(yi):

        在磨具(ju)工作中表(biao)面(mian)涂覆(fu)脫膜劑、乳膠衣,將裁剪好的碳(tan)纖維(wei)布(bu)(或(huo)氈(zhan))鋪裝到(dao)磨具(ju)工作中表(biao)面(mian),再刷(shua)涂樹脂(zhi),用(yong)軟毛(mao)刷(shua)、輥(gun)子(zi)或(huo)刮板(ban)擠(ji)壓(ya)使其勻稱丙(bing)綸(lun)長(chang)絲(si)清除(chu)汽泡,隨后(hou)再鋪學會放下一層纖維(wei)布(bu)(或(huo)氈(zhan))并刷(shua)涂樹脂(zhi),這般(ban)不斷(duan)到(dao)必須的薄厚后(hou),成形干固、出模。手糊(hu)加工工藝簡單(dan)、項目投(tou)資便(bian)宜、可用(yong)范(fan)圍廣,在石油化(hua)工設備器(qi)皿、儲(chu)槽、罩殼等許多(duo)領域廣泛運用(yong)。

        運(yun)用(yong)短切(qie)碳纖維和(he)樹(shu)(shu)脂(zhi)混和(he),在噴(pen)漆槍中運(yun)用(yong)空氣(qi)壓縮將(jiang)碳纖維和(he)樹(shu)(shu)脂(zhi)勻稱(cheng)撒到磨(mo)具表層上,做到所(suo)需薄厚后,運(yun)用(yong)橡膠輥往返鋪平,終將(jiang)干固(gu)成(cheng)形(xing)。噴(pen)涌(yong)成(cheng)形(xing)為改善手糊成(cheng)型工藝(yi)而(er)造就的一種(zhong)半機械化(hua)成(cheng)型工藝(yi),在生產(chan)率(lv)層面(mian)有(you)一定的提升,多(duo)用(yong)于生產(chan)制造船身(shen)、浴盆、儲存(cun)罐的銜接層等(deng)。

        將(jiang)原(yuan)材料放置左(zuo)右模(mo)中間,在四柱液壓(ya)(ya)(ya)機的(de)工(gong)(gong)(gong)作壓(ya)(ya)(ya)力(li)和(he)溫度功效下使原(yuan)材料填滿(man)磨具凹(ao)模(mo)并排(pai)出來殘余的(de)氣體,歷經一定時間的(de)超高壓(ya)(ya)(ya)使樹(shu)脂干固后,出模(mo)就可以獲(huo)得碳(tan)(tan)纖維(wei)產(chan)品(pin)。壓(ya)(ya)(ya)模(mo)加工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)(yi)是應用型較強的(de)一種(zhong)碳(tan)(tan)纖維(wei)型材成型工(gong)(gong)(gong)藝(yi)(yi),在工(gong)(gong)(gong)業生產(chan)的(de)頂撐零部件生產(chan)制造層面有不(bu)能替代的(de)影響力(li)。壓(ya)(ya)(ya)模(mo)加工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)(yi)細(xi)分(fen)化可分(fen)成預浸料壓(ya)(ya)(ya)模(mo)、SMC壓(ya)(ya)(ya)模(mo)、濕式壓(ya)(ya)(ya)模(mo)等。

        將持(chi)續(xu)的(de)碳(tan)纖(xian)維(wei)絲或布條(tiao)歷經樹(shu)脂(zhi)槽侵潤以后擠去(qu)不必要(yao)樹(shu)脂(zhi),隨后依照事先設計方(fang)案好(hao)的(de)排列規律(lv)性盤繞(rao)到(dao)空心樓蓋上,盤繞(rao)到(dao)設計方(fang)案薄厚以后,開展干固、出(chu)模變成(cheng)復(fu)合材料產品。碳(tan)纖(xian)維(wei)型材盤繞(rao)成(cheng)形(xing)(xing)可充(chong)分運(yun)用其高強度、高比應變速率及其密度低的(de)特(te)性,可用以生產制造圓柱(zhu)、圓球及一些正(zheng)折射率旋轉(zhuan)體或筒形(xing)(xing)碳(tan)纖(xian)維(wei)產品。

        樹脂(zhi)(zhi)傳送橡塑(su)制(zhi)品成形(xing)是(shi)高(gao)粘度樹脂(zhi)(zhi)在合(he)閉磨(mo)(mo)具(ju)(ju)中流(liu)動性(xing)(xing)、侵潤提高(gao)原材料并干固成型(xing)的(de)一(yi)種(zhong)生產工藝(yi),歸屬(shu)于復合(he)材料的(de)液體(ti)成型(xing)或(huo)構造液體(ti)成型(xing)技術性(xing)(xing)范圍。其(qi)具(ju)(ju)體(ti)做(zuo)法是(shi)在設計方案(an)好(hao)的(de)磨(mo)(mo)具(ju)(ju)中,事先放(fang)進經有效設計方案(an)、裁剪(jian)或(huo)經專(zhuan)業化預成型(xing)的(de)提高(gao)原材料,磨(mo)(mo)具(ju)(ju)需有附近密封性(xing)(xing)和擰緊,并確保樹脂(zhi)(zhi)流(liu)動性(xing)(xing)暢順;閉模后(hou)引入定量分(fen)析樹脂(zhi)(zhi),待(dai)樹脂(zhi)(zhi)干固后(hou)就可以出模獲得所(suo)期待(dai)商(shang)品。HP-RTM、VARTM、L-RTM、等均歸屬(shu)于該加工工藝(yi)改善(shan)成形(xing)方式 。

        熱(re)擠壓成(cheng)(cheng)形(xing)是將預浸過(guo)樹脂黏(nian)劑的(de)碳(tan)纖維(wei)(wei)絲束、帶或(huo)布等(deng)(deng)原料(liao),在(zai)驅動力(li)的(de)牽引帶下,根據沖壓模具加(jia)溫成(cheng)(cheng)形(xing)、干固,接連(lian)不斷地生(sheng)產(chan)制(zhi)造(zao)(zao)橫(heng)截面(mian)(mian)(mian)規(gui)格型(xing)(xing)號(hao)同(tong)樣(yang)、長(chang)短不一樣(yang)的(de)碳(tan)纖維(wei)(wei)鋁(lv)型(xing)(xing)材。復合材料(liao)熱(re)擠壓成(cheng)(cheng)型(xing)(xing)工(gong)(gong)(gong)藝(yi)是成(cheng)(cheng)型(xing)(xing)工(gong)(gong)(gong)藝(yi)中(zhong)的(de)一種獨特(te)加(jia)工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi),其鮮明特(te)點是可徹底完成(cheng)(cheng)加(jia)工(gong)(gong)(gong)過(guo)程(cheng)的(de)自動化(hua)技術,生(sheng)產(chan)制(zhi)造(zao)(zao)高效(xiao)率,具有大(da)批量(liang)化(hua)生(sheng)產(chan)制(zhi)造(zao)(zao)的(de)工(gong)(gong)(gong)作能力(li)。熱(re)擠壓成(cheng)(cheng)形(xing)產(chan)品抗壓強度高,其產(chan)品產(chan)量(liang)橫(heng)、豎向(xiang)抗壓強度可隨意調節,可考慮碳(tan)纖維(wei)(wei)型(xing)(xing)材的(de)不一樣(yang)結構(gou)力(li)學性規(gui)定。此(ci)類(lei)成(cheng)(cheng)型(xing)(xing)工(gong)(gong)(gong)藝(yi)合適于生(sheng)產(chan)制(zhi)造(zao)(zao)各(ge)種各(ge)樣(yang)橫(heng)截面(mian)(mian)(mian)樣(yang)子的(de)鋁(lv)型(xing)(xing)材,如工(gong)(gong)(gong)字型(xing)(xing)、角型(xing)(xing)、槽型(xing)(xing)、異(yi)形(xing)等(deng)(deng)橫(heng)截面(mian)(mian)(mian)管件及其根據所述橫(heng)截面(mian)(mian)(mian)組成(cheng)(cheng)的(de)組成(cheng)(cheng)橫(heng)截面(mian)(mian)(mian)鋁(lv)型(xing)(xing)材等(deng)(deng)。

        將預(yu)(yu)浸(jin)料按預(yu)(yu)置(zhi)方(fang)位鋪折成(cheng)(cheng)的(de)(de)(de)預(yu)(yu)成(cheng)(cheng)形體在(zai)(zai)封裝以(yi)后放進(jin)熱(re)(re)壓(ya)(ya)罐(guan)(guan)(guan)內,在(zai)(zai)一(yi)定(ding)(ding)預(yu)(yu)置(zhi)溫(wen)度(du)和工作壓(ya)(ya)力(li)下進(jin)行(xing)干(gan)固(gu)。熱(re)(re)壓(ya)(ya)罐(guan)(guan)(guan)是一(yi)種可以(yi)承(cheng)擔和調(diao)節一(yi)定(ding)(ding)范疇內溫(wen)度(du)、工作壓(ya)(ya)力(li)的(de)(de)(de)專用型(xing)器皿。預(yu)(yu)浸(jin)料鋪放到涂有脫(tuo)膜(mo)劑的(de)(de)(de)磨具表層,隨后再先后用出(chu)模布、吸膠氈、防護膜(mo)、透氣性(xing)氈徹(che)底遮蓋,并密封性(xing)在(zai)(zai)真空包裝袋內,歷經(jing)真空包裝檢測密閉(bi)性(xing)以(yi)后,再放進(jin)熱(re)(re)壓(ya)(ya)罐(guan)(guan)(guan)內。在(zai)(zai)放進(jin)熱(re)(re)壓(ya)(ya)罐(guan)(guan)(guan)升溫(wen)干(gan)固(gu)以(yi)前必須(xu)真空包裝,隨后在(zai)(zai)熱(re)(re)壓(ya)(ya)罐(guan)(guan)(guan)高(gao)溫(wen)、充(chong)壓(ya)(ya)的(de)(de)(de)功(gong)效下干(gan)固(gu)成(cheng)(cheng)形。干(gan)固(gu)加工工藝(yi)主(zhu)要(yao)參數的(de)(de)(de)制(zhi)訂(ding)與實行(xing)是確保熱(re)(re)壓(ya)(ya)罐(guan)(guan)(guan)成(cheng)(cheng)形復(fu)合材料產(chan)品品質的(de)(de)(de)重要(yao)。此類加工工藝(yi)適用生產(chan)制(zhi)造對(dui)物理性(xing)能規定(ding)(ding)較高(gao)的(de)(de)(de)承(cheng)受結構件,如整(zheng)流罩、飛機場機艙門、機載雷達罩,支撐架、飛機翼、汽車尾(wei)翼等商品。

        以上僅僅簡(jian)易的(de)(de)(de)(de)(de)詳細(xi)介(jie)紹了一(yi)些(xie)常見的(de)(de)(de)(de)(de)碳纖維型(xing)材(cai)成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)基本(ben)原理,碳纖維型(xing)材(cai)的(de)(de)(de)(de)(de)成(cheng)(cheng)形(xing)采(cai)用的(de)(de)(de)(de)(de)加工(gong)(gong)(gong)工(gong)(gong)(gong)藝(yi)(yi)也有很多(duo)(duo)種多(duo)(duo)樣,例如:真空包裝袋壓成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)、隔層(ceng)(ceng)構造成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)、壓層(ceng)(ceng)成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)、卷管(guan)成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)、熱固性(xing)(xing)塑料塊(kuai)狀(zhuang)模(mo)(mo)塑膠生產技(ji)術及(ji)冷(leng)模(mo)(mo)沖壓模(mo)(mo)具(ju)成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)等。每(mei)一(yi)種成(cheng)(cheng)型(xing)工(gong)(gong)(gong)藝(yi)(yi)都是有這本(ben)身的(de)(de)(de)(de)(de)特性(xing)(xing)和(he)優點,工(gong)(gong)(gong)程項目專(zhuan)業(ye)技(ji)術人員應當對于不(bu)一(yi)樣商(shang)品(pin)挑選適合的(de)(de)(de)(de)(de)生產工(gong)(gong)(gong)藝(yi)(yi)線路,務求保證成(cheng)(cheng)本(ben)費(fei)和(he)特性(xing)(xing)規定的(de)(de)(de)(de)(de)高性(xing)(xing)價比。

      

        

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