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你知道裹背條有什么用嗎

信息來源于(yu):互(hu)聯(lian)網 發布于(yu):2021-08-13

什(shen)么是(shi)裹背條,裹背條是(shi)通(tong)過皮殼機等機械用于精裝(zhuang)(zhuang)書(shu)(shu)本(ben)的(de)書(shu)(shu)脊部(bu)分,使書(shu)(shu)貼連接得更加牢固。書(shu)(shu)脊制作弧(hu)長的(de)計算,本(ben)器規格(ge)依書(shu)(shu)芯(xin)幅(fu)面(mian)大小進(jin)行調定,以能將書(shu)(shu)芯(xin)平(ping)穩(wen)地(di)送進(jin)夾(jia)書(shu)(shu)裝(zhuang)(zhuang)置內為標準。入本(ben)后的(de)書(shu)(shu)冊不斜歪,四角(jiao)垂直地(di)頂齊在夾(jia)書(shu)(shu)裝(zhuang)(zhuang)置的(de)靠板、側規內。裁(cai)切(qie)尺(chi)寸(cun)正(zheng)確一致,其質量要求與(yu)規格(ge)誤差(cha)與(yu)一般切(qie)書(shu)(shu)相同。

夾(jia)書簽絲(si)(si)帶(dai)(dai)裝置安放(fang)在切書機與(yu)扒(ba)圓(yuan)起脊機之間。即將(jiang)(jiang)切完的(de)書芯(xin),用(yong)分本器從中間分開,再由輸放(fang)絲(si)(si)帶(dai)(dai)器將(jiang)(jiang)絲(si)(si)帶(dai)(dai)夾(jia)入(ru)中心紙書芯(xin)的(de)中間靠(kao)訂縫一邊。絲(si)(si)帶(dai)(dai)夾(jia)在書芯(xin)內兩端各(ge)留出粘邊和(he)使用(yong)的(de)余地,再經切刀(剪(jian)刀式)將(jiang)(jiang)其剪(jian)斷。

剪斷后的絲(si)(si)帶(dai),裹背(bei)條芯(xin)(xin)(xin)部分被下(xia)面膠輥著膠、壓(ya)實完成(cheng)(cheng)夾書(shu)(shu)(shu)(shu)(shu)(shu)簽絲(si)(si)帶(dai)過程。書(shu)(shu)(shu)(shu)(shu)(shu)簽絲(si)(si)帶(dai)的長(chang)度(du)與(yu)一(yi)般(ban)手工加(jia)工長(chang)度(du)基本相同,可依書(shu)(shu)(shu)(shu)(shu)(shu)冊幅(fu)面長(chang)度(du)調(diao)定。扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)起(qi)脊操作(zuo)及(ji)要(yao)求。書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)經裁切、夾粘(zhan)絲(si)(si)帶(dai)(或不(bu)夾粘(zhan)絲(si)(si)帶(dai))后,繼續傳送(或翻(fan)轉變位)并做90°翻(fan)轉,使(shi)(shi)平放書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)變為(wei)后背(bei)朝上(或朝下(xia))而(er)進入扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)起(qi)脊機。扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)起(qi)脊機的加(jia)工,其操作(zuo)分為(wei)兩步,但機器的結構是連在(zai)一(yi)起(qi)的,均是先扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)后起(qi)脊。扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)。扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)起(qi)脊機在(zai)扒(ba)(ba)圓(yuan)(yuan)(yuan)(yuan)時,由一(yi)組(zu)(或一(yi)對)圓(yuan)(yuan)(yuan)(yuan)輥,將書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)壓(ya)緊后作(zuo)相對旋轉動作(zuo)),使(shi)(shi)書(shu)(shu)(shu)(shu)(shu)(shu)背(bei)扒(ba)(ba)成(cheng)(cheng)適當(dang)規格圓(yuan)(yuan)(yuan)(yuan)勢,加(jia)工成(cheng)(cheng)圓(yuan)(yuan)(yuan)(yuan)背(bei)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)書(shu)(shu)(shu)(shu)(shu)(shu)背(bei)的形(xing)狀(zhuang)分為(wei)圓(yuan)(yuan)(yuan)(yuan)背(bei)有(you)脊、圓(yuan)(yuan)(yuan)(yuan)背(bei)無脊和方背(bei)(或稱(cheng)平背(bei))三種。平裝(zhuang)(zhuang)裹背(bei)條書(shu)(shu)(shu)(shu)(shu)(shu)刊的書(shu)(shu)(shu)(shu)(shu)(shu)脊不(bu)高(gao)出(chu)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)平面,而(er)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)刊的書(shu)(shu)(shu)(shu)(shu)(shu)脊一(yi)般(ban)要(yao)高(gao)出(chu)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的平面。書(shu)(shu)(shu)(shu)(shu)(shu)脊分為(wei)真脊和假脊。

真脊是(shi)利(li)用書(shu)(shu)背上下兩邊變形的(de)(de)弧度(du)高出書(shu)(shu)芯平面;假脊則是(shi)利(li)用紙板鑲在書(shu)(shu)背后形成的(de)(de)書(shu)(shu)脊,書(shu)(shu)脊的(de)(de)脊高等于封面紙板的(de)(de)厚度(du)。方背書(shu)(shu)芯。是(shi)指書(shu)(shu)芯的(de)(de)書(shu)(shu)背平直(zhi)方正。書(shu)(shu)背不(bu)突出,與平裝書(shu)(shu)刊的(de)(de)書(shu)(shu)背基本(ben)相(xiang)似(si)。

背(bei)(bei)(bei)(bei)(bei)(bei)(bei)與(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)上下環襯互(hu)成直角,由于精裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)是用鎖線(xian)訂(ding)(ding)訂(ding)(ding)連,每一個書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖的(de)(de)(de)訂(ding)(ding)口折縫(feng)里(li)面都(dou)用線(xian)串過,因此,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)脊(ji)比書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖其(qi)它部(bu)分要厚一些,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)的(de)(de)(de)帖數越多,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)與(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)其(qi)它部(bu)分厚度的(de)(de)(de)差別(bie)也越大。所以方(fang)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)的(de)(de)(de)形(xing)式(shi)一般只用于厚度約為20mm的(de)(de)(de)精裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)。圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)有(you)脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)有(you)脊(ji)又稱圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)真脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)部(bu)呈圓(yuan)弧形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)高起有(you)脊(ji)壟,堅硬挺實,這種書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)的(de)(de)(de)形(xing)式(shi)適合于裝(zhuang)訂(ding)(ding)較厚的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji),裝(zhuang)上書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼后有(you)明(ming)顯的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽(cao),翻閱方(fang)便。目前(qian)我國的(de)(de)(de)精裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)多采用這種圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)有(you)脊(ji)的(de)(de)(de)加(jia)工形(xing)式(shi)。圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)無(wu)脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)無(wu)脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)又稱圓(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)假脊(ji),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)部(bu)呈圓(yuan)弧形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)與(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)的(de)(de)(de)厚度相同,堅實挺括(kuo),但沒(mei)(mei)有(you)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹(guo)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)條脊(ji)。這種形(xing)式(shi)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin),一般常與(yu)軟質書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼或(huo)塑料壓制(zhi)而成的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼相配套(tao)。中心紙(zhi)有(you)些機器還沒(mei)(mei)有(you)沖(chong)圓(yuan)裝(zhuang)置(zhi),即將方(fang)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)先進行沖(chong)圓(yuan)加(jia)工,作初步(bu)定(ding)型。先根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)厚度和中心紙(zhi)幅面大小(xiao)調定(ding)好夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器及扒圓(yuan)輥(gun)(或(huo)沖(chong)圓(yuan)裝(zhuang)置(zhi))的(de)(de)(de)規矩,再(zai)使書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)進入夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器內并(bing)送到扒圓(yuan)輥(gun)之間,將書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)(bei)(bei)扒擠成一定(ding)圓(yuan)勢。

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