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地(di) 址:重慶九(jiu)龍坡綠云鋼(gang)材市場A9-293/雙福攀(pan)寶鋼(gang)材市場綠城路
西安冷軋卷重慶鍍鋅卷主要有:脫落、劃傷、鈍化斑、鋅粒、厚邊、氣刀條痕、氣刀刮痕、露鋼、夾雜、機械損傷、鋼基性能不良、浪邊、瓢曲、尺寸不合、壓印、鋅層厚度不合、輥印等。冷軋卷廠家鋅層脫(tuo)落的(de)主要(yao)原因有(you):表面氧(yang)化(hua)、有(you)硅化(hua)合物、冷(leng)扎乳化(hua)液太臟、NOF段(duan)氧(yang)化(hua)氣(qi)氛及保護氣(qi)體(ti)露(lu)點(dian)太高、空燃比不合理、氫氣(qi)流量(liang)偏低(di)、爐(lu)(lu)子有(you)氧(yang)滲(shen)入,帶(dai)鋼入鍋溫(wen)度(du)(du)偏低(di),RWP段(duan)爐(lu)(lu)壓偏低(di)及爐(lu)(lu)門吸風、NOF段(duan)爐(lu)(lu)溫(wen)偏低(di),油脂蒸發不盡、鋅鍋鋁含量(liang)偏低(di)、機(ji)組(zu)速度(du)(du)太快、還原不充(chong)分、鋅液中停留時(shi)間太短(duan)、鍍層偏厚。白銹和黑斑(ban)產(chan)生的(de)原因有(you):黑斑(ban)是白銹進一步氧(yang)化(hua)形成(cheng)的(de)鍍鋅板的(de)特點(dian)與用途(tu)。鍍鋅卷板是以熱(re)軋(ya)(ya)鋼帶(dai)或冷(leng)軋(ya)(ya)鋼帶(dai)為基板,經過連續熱(re)浸(jin)鍍鋅工藝而生產(chan)出來的(de), 產(chan)品具有(you)耐(nai)腐蝕強、 表面質量(liang)好(hao)、有(you)利于深加工、經濟實(shi)用等特點(dian)。
用(yong)電(dian)鍍(du)(du)(du)法制造這(zhe)種鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)具有(you)(you)良(liang)好(hao)的(de)(de)加(jia)工性(xing)。但(dan)鍍(du)(du)(du)層較薄,耐腐蝕性(xing)不(bu)如(ru)熱浸法鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban);單(dan)面(mian)(mian)鍍(du)(du)(du)和(he)雙(shuang)面(mian)(mian)差鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)。單(dan)面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban),即只在(zai)一(yi)面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)產品(pin)。在(zai)焊(han)接(jie)、涂(tu)(tu)裝(zhuang)、防(fang)銹處理、加(jia)工等(deng)(deng)方面(mian)(mian),具有(you)(you)比雙(shuang)面(mian)(mian)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)好(hao)的(de)(de)適應(ying)性(xing)。為克服(fu)單(dan)面(mian)(mian)未涂(tu)(tu)鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)缺點,又(you)有(you)(you)一(yi)種在(zai)另面(mian)(mian)涂(tu)(tu)以(yi)薄層鋅(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban),即雙(shuang)面(mian)(mian)差鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban);合(he)金(jin)、復合(he)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)。它是用(yong)鋅(xin)(xin)(xin)(xin)(xin)(xin)和(he)其他(ta)金(jin)屬(shu)如(ru)鉛、鋅(xin)(xin)(xin)(xin)(xin)(xin)制成合(he)金(jin)乃(nai)至復合(he)鍍(du)(du)(du)成的(de)(de)鋼(gang)(gang)板(ban)(ban)(ban)。這(zhe)種鋼(gang)(gang)板(ban)(ban)(ban)既具有(you)(you)防(fang)銹性(xing)能,又(you)有(you)(you)良(liang)好(hao)的(de)(de)涂(tu)(tu)裝(zhuang)性(xing)能。 除(chu)上(shang)述五(wu)種外,還有(you)(you)彩色鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)、印花涂(tu)(tu)裝(zhuang)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)、聚氯乙烯(xi)疊(die)層鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)等(deng)(deng)。但(dan)目前常用(yong)的(de)(de)仍為熱浸鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)板(ban)(ban)(ban)。 鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)按用(yong)途又(you)可分為一(yi)般(ban)用(yong)、屋頂用(yong)、建筑(zhu)外側板(ban)(ban)(ban)用(yong)、結構(gou)用(yong)、瓦壟板(ban)(ban)(ban)用(yong)、拉伸用(yong)和(he)深沖用(yong)等(deng)(deng)鍍(du)(du)(du)鋅(xin)(xin)(xin)(xin)(xin)(xin)鋼(gang)(gang)板(ban)(ban)(ban)。
堆積樓(lou)(lou)(lou)(lou)承(cheng)板(ban)的地坪應基本平坦,鋼(gang)筋桁架樓(lou)(lou)(lou)(lou)承(cheng)板(ban)堆積不(bu)宜(yi)過高,每(mei)堆不(bu)超(chao)越(yue)60張。樓(lou)(lou)(lou)(lou)承(cheng)板(ban)運至(zhi)現場(chang),需(xu)妥善保(bao)護,不(bu)得有(you)任何損壞(huai)和污(wu)染(ran),特別不(bu)得感染(ran)油污(wu)。樓(lou)(lou)(lou)(lou)承(cheng)板(ban)應根據排版圖預先(xian)切開(kai)、編號。起(qi)(qi)吊(diao)前,每(mei)捆(kun)要有(you)兩條(tiao)鋼(gang)絲繩(sheng),分(fen)別捆(kun)于兩頭四(si)分(fen)之一鋼(gang)板(ban)長度處,采用(yong)專用(yong)吊(diao)具吊(diao)起(qi)(qi)。應先(xian)行(xing)試吊(diao),檢查(cha)重心是否穩定,鋼(gang)索是否會滑動(dong),待牢靠,無慮時(shi)(shi)方可吊(diao)起(qi)(qi)。起(qi)(qi)吊(diao)時(shi)(shi),應從下往上樓(lou)(lou)(lou)(lou)層(ceng)次序吊(diao)料為原(yuan)則(ze),避免(mian)因先(xian)行(xing)吊(diao)放(fang)(fang)上層(ceng)資料后(hou),阻止下面樓(lou)(lou)(lou)(lou)層(ceng)的吊(diao)放(fang)(fang)作(zuo)業(ye)。整疊樓(lou)(lou)(lou)(lou)承(cheng)板(ban)放(fang)(fang)梁面時(shi)(shi),應考慮梁的承(cheng)載(zai)能力,避免(mian)因集中(zhong)載(zai)荷過大,造成梁的變(bian)形(xing)。樓(lou)(lou)(lou)(lou)承(cheng)板(ban)吊(diao)至(zhi)樓(lou)(lou)(lou)(lou)層(ceng),暫時(shi)(shi)不(bu)鋪設時(shi)(shi),應作(zuo)牢靠固定,避免(mian)飛落和滑落傷(shang)人。
由于我國鋅(xin)(xin)資(zi)源(yuan)比(bi)較豐富,鍍(du)鋅(xin)(xin)又是(shi)一(yi)種價廉、能防(fang)銹,又能裝飾(shi)的高性(xing)價比(bi)鍍(du)種,因而(er)在汽車、機(ji)械(xie)、電(dian)(dian)子、船舶(bo)、儀(yi)表(biao)、輕(qing)工(gong)等(deng)(deng)工(gong)業部門(men)得(de)到廣泛(fan)的應用。如機(ji)械(xie)零件、低壓電(dian)(dian)器(qi)、高壓開(kai)關、緊固連接件、鋼鐵結構件、建(jian)筑五(wu)金、農業機(ji)械(xie)、輕(qing)工(gong)產品(pin)等(deng)(deng)都離不開(kai)鍍(du)鋅(xin)(xin)鈍化制(zhi)品(pin)。鍍(du)鋅(xin)(xin)板(ban)卷(juan)因此可分為(wei)熱軋鍍(du)鋅(xin)(xin)板(ban)卷(juan)和冷軋熱鍍(du)鋅(xin)(xin)板(ban)卷(juan),它們主要(yao)用于建(jian)筑、家(jia)電(dian)(dian)、汽車、容器(qi)、交通及家(jia)業等(deng)(deng)領域。特(te)別是(shi)鋼結構建(jian)筑、汽車制(zhi)造、鋼板(ban)倉制(zhi)造等(deng)(deng)行(xing)業。 重慶(qing)鍍(du)鋅(xin)(xin)卷(juan)特(te)點主要(yao)為(wei):耐(nai)腐蝕強、表(biao)面質量好、得(de)利于深加(jia)工(gong)、經濟實用等(deng)(deng)。
鍍(du)鋅板使用(yong)的(de)(de)(de)時候(hou),自(zi)(zi)(zi)然也是(shi)要讓它(ta)在(zai)(zai)(zai)質量上(shang)(shang)面(mian)(mian)達到很(hen)(hen)(hen)好的(de)(de)(de)表(biao)(biao)現(xian)(xian)(xian),但是(shi)對于它(ta)在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)的(de)(de)(de)質量表(biao)(biao)現(xian)(xian)(xian)表(biao)(biao)現(xian)(xian)(xian)來說,往(wang)往(wang)是(shi)有(you)(you)很(hen)(hen)(hen)多方(fang)面(mian)(mian)的(de)(de)(de),那(nei)么它(ta)在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)的(de)(de)(de)質量上(shang)(shang)面(mian)(mian)都是(shi)有(you)(you)什么表(biao)(biao)現(xian)(xian)(xian)呢?首先一(yi)個(ge)方(fang)面(mian)(mian),就是(shi)它(ta)在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)的(de)(de)(de)表(biao)(biao)面(mian)(mian)上(shang)(shang)要達到平的(de)(de)(de)要求,這(zhe)一(yi)點自(zi)(zi)(zi)然也是(shi)它(ta)在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)使用(yong)時的(de)(de)(de)一(yi)個(ge)重要的(de)(de)(de)表(biao)(biao)現(xian)(xian)(xian),現(xian)(xian)(xian)在(zai)(zai)(zai)也一(yi)些廠(chang)家,他們在(zai)(zai)(zai)生產時,因(yin)為沒(mei)有(you)(you)使用(yong)很(hen)(hen)(hen)好的(de)(de)(de)設備(bei),也或者是(shi)在(zai)(zai)(zai)技術上(shang)(shang)面(mian)(mian)低下(xia),自(zi)(zi)(zi)然就沒(mei)有(you)(you)這(zhe)方(fang)面(mian)(mian)的(de)(de)(de)表(biao)(biao)現(xian)(xian)(xian)。重慶(qing)鍍(du)鋅板本(ben)身的(de)(de)(de)性(xing)能上(shang)(shang)面(mian)(mian)有(you)(you)很(hen)(hen)(hen)大的(de)(de)(de)下(xia)降,而且(qie)因(yin)為它(ta)在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)的(de)(de)(de)平上(shang)(shang)面(mian)(mian)沒(mei)有(you)(you)自(zi)(zi)(zi)己(ji)的(de)(de)(de)表(biao)(biao)現(xian)(xian)(xian),同時用(yong)戶在(zai)(zai)(zai)自(zi)(zi)(zi)己(ji)使用(yong)時,也不會達到很(hen)(hen)(hen)高的(de)(de)(de)使用(yong)壽(shou)命。