汽(qi)車(che)的(de)(de)車(che)門下部外飾(shi)板是通過(guo)卡扣與(yu)鈑金(jin)件卡接(jie)在一起(qi),外飾(shi)板的(de)(de)邊緣(yuan)位置與(yu)鈑金(jin)貼合,通過(guo)雙面膠粘接(jie)固定(ding)。
1、汽車(che)覆(fu)(fu)蓋(gai)(gai)件(jian)(簡(jian)稱覆(fu)(fu)蓋(gai)(gai)件(jian))是(shi)指構(gou)成(cheng)汽車(che)車(che)身或駕駛(shi)室、覆(fu)(fu)蓋(gai)(gai)發(fa)動機(ji)和底(di)盤的(de)異形體(ti)表面和內部的(de)汽車(che)零件(jian)。汽車(che)覆(fu)(fu)蓋(gai)(gai)件(jian)既是(shi)外觀(guan)裝飾性的(de)零件(jian),又是(shi)封(feng)閉薄殼狀的(de)受(shou)力(li)零件(jian);
2、覆蓋(gai)件(jian)表面(mian)上任何微小(xiao)的(de)(de)缺(que)陷(xian)都會在涂漆(qi)后引起光線(xian)的(de)(de)漫(man)反射而損壞外(wai)形的(de)(de)美(mei)觀,因此(ci)覆蓋(gai)件(jian)表面(mian)不允許(xu)有波(bo)紋、皺折、邊緣拉痕和其他破壞表面(mian)美(mei)感的(de)(de)缺(que)陷(xian)。歐、美(mei)、日等發(fa)達國家生產的(de)(de)A級表面(mian)精度的(de)(de)汽車覆蓋(gai)件(jian)有引擎蓋(gai)板;
3、車(che)頂(ding)蓋(gai),左(zuo)、右(you)車(che)側(ce)圍(wei)(wei),前(qian)(qian)(qian)(qian)、后(hou)車(che)門,前(qian)(qian)(qian)(qian)、后(hou)、左(zuo)、右(you)翼(yi)子板(ban)(ban)(ban),行禮箱蓋(gai)板(ban)(ban)(ban),發(fa)動機前(qian)(qian)(qian)(qian)支撐(cheng)板(ban)(ban)(ban),發(fa)動機前(qian)(qian)(qian)(qian)裙(qun)板(ban)(ban)(ban),前(qian)(qian)(qian)(qian)圍(wei)(wei)上蓋(gai)板(ban)(ban)(ban),后(hou)圍(wei)(wei)板(ban)(ban)(ban),后(hou)圍(wei)(wei)上蓋(gai)板(ban)(ban)(ban),前(qian)(qian)(qian)(qian)裙(qun)板(ban)(ban)(ban),前(qian)(qian)(qian)(qian)框架(jia),前(qian)(qian)(qian)(qian)翼(yi)子板(ban)(ban)(ban),車(che)輪擋(dang)泥板(ban)(ban)(ban)、后(hou)翼(yi)子板(ban)(ban)(ban)、后(hou)圍(wei)(wei)板(ban)(ban)(ban)、行李倉(cang)蓋(gai),后(hou)圍(wei)(wei)上蓋(gai)板(ban)(ban)(ban)、頂(ding)蓋(gai)、前(qian)(qian)(qian)(qian)圍(wei)(wei)側(ce)板(ban)(ban)(ban)、前(qian)(qian)(qian)(qian)圍(wei)(wei)板(ban)(ban)(ban)、前(qian)(qian)(qian)(qian)圍(wei)(wei)上蓋(gai)板(ban)(ban)(ban)、前(qian)(qian)(qian)(qian)擋(dang)泥板(ban)(ban)(ban)、發(fa)動機罩。覆蓋(gai)件的制(zhi)造是汽(qi)車(che)車(che)身(shen)制(zhi)造的關(guan)鍵環節。
前(qian)圍板(ban)(ban)(ban)是(shi)指發(fa)動(dong)機(ji)艙(cang)與車廂(xiang)之間(jian)的(de)(de)隔(ge)板(ban)(ban)(ban),它和(he)地板(ban)(ban)(ban)、前(qian)立柱聯接,安裝(zhuang)在前(qian)圍上蓋板(ban)(ban)(ban)之下。前(qian)圍板(ban)(ban)(ban)上有(you)許多孔口,作為(wei)操(cao)縱用(yong)的(de)(de)拉線、拉桿、管路和(he)電(dian)線束(shu)通過之用(yong),還要配合踏板(ban)(ban)(ban)、方向機(ji)柱等機(ji)件安裝(zhuang)位置。為(wei)防止發(fa)動(dong)機(ji)艙(cang)里的(de)(de)廢氣(qi)、高溫、噪聲竄入(ru)車廂(xiang),前(qian)圍板(ban)(ban)(ban)上要有(you)密(mi)封措施和(he)隔(ge)熱(re)裝(zhuang)置。在發(fa)生意外(wai)事故時(shi),它應具有(you)足夠(gou)的(de)(de)強度(du)和(he)剛度(du)。對比(bi)車身(shen)其它部件而言,前(qian)圍板(ban)(ban)(ban)裝(zhuang)配最重要的(de)(de)工藝(yi)技(ji)術是(shi)密(mi)封和(he)隔(ge)熱(re),它的(de)(de)優劣往往反映(ying)了車輛運行的(de)(de)質(zhi)量。
ALLION,是一汽豐(feng)田在2020年(nian)11月推(tui)出(chu)(chu)的(de)一款基(ji)于TNGA架構下(xia)打造的(de)轎車。2020年(nian)11月20日,一汽豐(feng)田在廣州車展中正式(shi)推(tui)出(chu)(chu)ALLION。ALLION軸距達到(dao)2750mm,后排(pai)空間達到(dao)980mm,搭載2.0L自(zi)然(ran)吸氣(qi)發(fa)動機,最大(da)功率(lv)為178馬力,峰值扭矩210NM,傳(chuan)動方(fang)面將匹配DirectShift-CVT無級變速箱
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