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你知道裹背條有什么用嗎

信息來源于:互聯網 發布于:2021-08-13

什么是裹(guo)背條,裹(guo)背條是通過皮殼機等機械用于精(jing)裝書本(ben)的(de)書脊部分,使書貼(tie)連(lian)接得更加牢固。書脊制作弧長的(de)計算,本(ben)器規格(ge)依(yi)書芯幅(fu)面大小進行(xing)調定,以能將書芯平穩地送進夾書裝置內為(wei)標準。入本(ben)后的(de)書冊不斜歪,四角垂(chui)直(zhi)地頂齊在(zai)夾書裝置的(de)靠(kao)板、側規內。裁(cai)切尺寸正確一致(zhi),其(qi)質量要求與規格(ge)誤差與一般切書相同。

夾書(shu)簽絲帶(dai)(dai)裝置安(an)放在(zai)切(qie)書(shu)機(ji)與扒圓(yuan)起脊機(ji)之間(jian)。即將切(qie)完的(de)(de)書(shu)芯(xin)(xin),用分本(ben)器從中(zhong)間(jian)分開,再(zai)由輸放絲帶(dai)(dai)器將絲帶(dai)(dai)夾入中(zhong)心紙書(shu)芯(xin)(xin)的(de)(de)中(zhong)間(jian)靠訂縫一邊。絲帶(dai)(dai)夾在(zai)書(shu)芯(xin)(xin)內兩端各留出粘邊和(he)使用的(de)(de)余地,再(zai)經切(qie)刀(剪(jian)刀式)將其(qi)剪(jian)斷(duan)。

剪斷后(hou)的(de)(de)(de)絲(si)帶(dai),裹背(bei)(bei)(bei)條芯部分被(bei)下面膠(jiao)輥著膠(jiao)、壓(ya)實完成(cheng)夾書(shu)(shu)(shu)(shu)簽絲(si)帶(dai)過程。書(shu)(shu)(shu)(shu)簽絲(si)帶(dai)的(de)(de)(de)長(chang)度與一(yi)般手工(gong)加(jia)工(gong)長(chang)度基本相(xiang)同,可依書(shu)(shu)(shu)(shu)冊幅面長(chang)度調定。扒(ba)圓(yuan)(yuan)起脊(ji)(ji)操(cao)作(zuo)(zuo)(zuo)及(ji)要求(qiu)。書(shu)(shu)(shu)(shu)芯經裁(cai)切、夾粘(zhan)絲(si)帶(dai)(或不夾粘(zhan)絲(si)帶(dai))后(hou),繼續傳(chuan)送(或翻轉(zhuan)變位)并做90°翻轉(zhuan),使(shi)平放書(shu)(shu)(shu)(shu)芯變為(wei)后(hou)背(bei)(bei)(bei)朝上(或朝下)而進入扒(ba)圓(yuan)(yuan)起脊(ji)(ji)機(ji)。扒(ba)圓(yuan)(yuan)起脊(ji)(ji)機(ji)的(de)(de)(de)加(jia)工(gong),其(qi)操(cao)作(zuo)(zuo)(zuo)分為(wei)兩(liang)步,但機(ji)器的(de)(de)(de)結構是(shi)(shi)連在一(yi)起的(de)(de)(de),均是(shi)(shi)先(xian)扒(ba)圓(yuan)(yuan)后(hou)起脊(ji)(ji)。扒(ba)圓(yuan)(yuan)。扒(ba)圓(yuan)(yuan)起脊(ji)(ji)機(ji)在扒(ba)圓(yuan)(yuan)時,由(you)一(yi)組(zu)(或一(yi)對(dui))圓(yuan)(yuan)輥,將(jiang)書(shu)(shu)(shu)(shu)芯壓(ya)緊后(hou)作(zuo)(zuo)(zuo)相(xiang)對(dui)旋(xuan)轉(zhuan)動作(zuo)(zuo)(zuo)),使(shi)書(shu)(shu)(shu)(shu)背(bei)(bei)(bei)扒(ba)成(cheng)適(shi)當規格(ge)圓(yuan)(yuan)勢,加(jia)工(gong)成(cheng)圓(yuan)(yuan)背(bei)(bei)(bei)書(shu)(shu)(shu)(shu)芯。書(shu)(shu)(shu)(shu)芯書(shu)(shu)(shu)(shu)背(bei)(bei)(bei)的(de)(de)(de)形狀分為(wei)圓(yuan)(yuan)背(bei)(bei)(bei)有脊(ji)(ji)、圓(yuan)(yuan)背(bei)(bei)(bei)無脊(ji)(ji)和方背(bei)(bei)(bei)(或稱平背(bei)(bei)(bei))三(san)種(zhong)。平裝裹背(bei)(bei)(bei)條書(shu)(shu)(shu)(shu)刊的(de)(de)(de)書(shu)(shu)(shu)(shu)脊(ji)(ji)不高出書(shu)(shu)(shu)(shu)芯平面,而精裝書(shu)(shu)(shu)(shu)刊的(de)(de)(de)書(shu)(shu)(shu)(shu)脊(ji)(ji)一(yi)般要高出書(shu)(shu)(shu)(shu)芯的(de)(de)(de)平面。書(shu)(shu)(shu)(shu)脊(ji)(ji)分為(wei)真脊(ji)(ji)和假脊(ji)(ji)。

真(zhen)脊(ji)是(shi)(shi)利用(yong)書(shu)(shu)(shu)(shu)背上下兩邊變形的弧度高(gao)出(chu)書(shu)(shu)(shu)(shu)芯平(ping)面(mian)(mian);假脊(ji)則是(shi)(shi)利用(yong)紙板鑲(xiang)在書(shu)(shu)(shu)(shu)背后形成的書(shu)(shu)(shu)(shu)脊(ji),書(shu)(shu)(shu)(shu)脊(ji)的脊(ji)高(gao)等(deng)于封面(mian)(mian)紙板的厚度。方(fang)背書(shu)(shu)(shu)(shu)芯。是(shi)(shi)指書(shu)(shu)(shu)(shu)芯的書(shu)(shu)(shu)(shu)背平(ping)直方(fang)正。書(shu)(shu)(shu)(shu)背不突出(chu),與(yu)平(ping)裝書(shu)(shu)(shu)(shu)刊的書(shu)(shu)(shu)(shu)背基(ji)本相似(si)。

背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)上下(xia)環襯互成(cheng)直角,由于(yu)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)是用鎖(suo)線訂(ding)訂(ding)連,每一(yi)(yi)個(ge)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)的(de)(de)訂(ding)口折縫(feng)里面都用線串過,因此,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)脊比書(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)其它部分要厚一(yi)(yi)些,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)的(de)(de)帖(tie)數越(yue)多,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)其它部分厚度(du)的(de)(de)差(cha)別也越(yue)大(da)。所以方背(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)的(de)(de)形(xing)式(shi)一(yi)(yi)般只(zhi)用于(yu)厚度(du)約為20mm的(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有(you)脊書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有(you)脊又(you)稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)真脊書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)部呈(cheng)圓(yuan)(yuan)(yuan)弧形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊高起有(you)脊壟,堅硬挺實(shi),這種(zhong)(zhong)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)的(de)(de)形(xing)式(shi)適(shi)合于(yu)裝(zhuang)(zhuang)訂(ding)較(jiao)厚的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji),裝(zhuang)(zhuang)上書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)(ke)后有(you)明顯的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽,翻閱方便。目前我國的(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)多采用這種(zhong)(zhong)圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有(you)脊的(de)(de)加(jia)工(gong)形(xing)式(shi)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)無脊書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)無脊書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)又(you)稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)假脊,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)部呈(cheng)圓(yuan)(yuan)(yuan)弧形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)的(de)(de)厚度(du)相(xiang)同,堅實(shi)挺括,但(dan)沒有(you)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)(bei)條脊。這種(zhong)(zhong)形(xing)式(shi)的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin),一(yi)(yi)般常與(yu)(yu)軟質(zhi)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)(ke)或(huo)塑料壓制(zhi)而成(cheng)的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)(ke)相(xiang)配(pei)套。中心(xin)紙(zhi)有(you)些機器還沒有(you)沖(chong)(chong)(chong)圓(yuan)(yuan)(yuan)裝(zhuang)(zhuang)置,即將方背(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)先(xian)進行沖(chong)(chong)(chong)圓(yuan)(yuan)(yuan)加(jia)工(gong),作初步定型。先(xian)根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)厚度(du)和中心(xin)紙(zhi)幅面大(da)小調定好夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)器及扒(ba)圓(yuan)(yuan)(yuan)輥(或(huo)沖(chong)(chong)(chong)圓(yuan)(yuan)(yuan)裝(zhuang)(zhuang)置)的(de)(de)規矩,再使書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)進入(ru)夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)器內(nei)并送到扒(ba)圓(yuan)(yuan)(yuan)輥之間(jian),將書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)扒(ba)擠成(cheng)一(yi)(yi)定圓(yuan)(yuan)(yuan)勢。

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