信息來源于:互聯網 發(fa)布于:2021-08-13
什么是(shi)裹背條(tiao),裹背條(tiao)是(shi)通過皮殼機等機械用于精裝(zhuang)書本(ben)的書脊部分(fen),使書貼連(lian)接得更加(jia)牢(lao)固。書脊制作弧長的計算(suan),本(ben)器規格依書芯幅面大小進(jin)行調(diao)定(ding),以能將(jiang)書芯平穩地送進(jin)夾書裝(zhuang)置內(nei)為標準。入本(ben)后的書冊不斜歪,四角垂直地頂齊在(zai)夾書裝(zhuang)置的靠板、側規內(nei)。裁切尺寸正確(que)一致,其質量要求與規格誤差(cha)與一般切書相同(tong)。
夾書簽絲(si)帶裝置安放在切書機與扒圓起脊機之間(jian)。即將切完的書芯(xin)(xin),用(yong)分(fen)本器從中(zhong)間(jian)分(fen)開,再(zai)由輸(shu)放絲(si)帶器將絲(si)帶夾入中(zhong)心紙書芯(xin)(xin)的中(zhong)間(jian)靠訂(ding)縫一邊(bian)。絲(si)帶夾在書芯(xin)(xin)內兩端各(ge)留出粘邊(bian)和使用(yong)的余地,再(zai)經(jing)切刀(剪刀式)將其剪斷(duan)。
剪斷后的(de)(de)(de)(de)絲(si)(si)帶,裹背(bei)(bei)條(tiao)芯部分被下面膠輥著膠、壓實完成夾書(shu)(shu)簽絲(si)(si)帶過程。書(shu)(shu)簽絲(si)(si)帶的(de)(de)(de)(de)長(chang)度與一(yi)般手(shou)工加(jia)工長(chang)度基(ji)本相(xiang)(xiang)同,可(ke)依書(shu)(shu)冊幅面長(chang)度調定。扒(ba)(ba)圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)操(cao)作及要(yao)求(qiu)。書(shu)(shu)芯經裁切、夾粘絲(si)(si)帶(或不夾粘絲(si)(si)帶)后,繼(ji)續傳送(或翻轉變位)并做90°翻轉,使平(ping)放書(shu)(shu)芯變為后背(bei)(bei)朝(chao)(chao)上(或朝(chao)(chao)下)而(er)進入扒(ba)(ba)圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)機(ji)(ji)。扒(ba)(ba)圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)機(ji)(ji)的(de)(de)(de)(de)加(jia)工,其操(cao)作分為兩步,但機(ji)(ji)器(qi)的(de)(de)(de)(de)結構是連在(zai)一(yi)起(qi)的(de)(de)(de)(de),均是先(xian)扒(ba)(ba)圓(yuan)(yuan)(yuan)后起(qi)脊(ji)(ji)。扒(ba)(ba)圓(yuan)(yuan)(yuan)。扒(ba)(ba)圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)機(ji)(ji)在(zai)扒(ba)(ba)圓(yuan)(yuan)(yuan)時,由一(yi)組(或一(yi)對)圓(yuan)(yuan)(yuan)輥,將書(shu)(shu)芯壓緊后作相(xiang)(xiang)對旋轉動(dong)作),使書(shu)(shu)背(bei)(bei)扒(ba)(ba)成適當規格圓(yuan)(yuan)(yuan)勢(shi),加(jia)工成圓(yuan)(yuan)(yuan)背(bei)(bei)書(shu)(shu)芯。書(shu)(shu)芯書(shu)(shu)背(bei)(bei)的(de)(de)(de)(de)形狀(zhuang)分為圓(yuan)(yuan)(yuan)背(bei)(bei)有(you)脊(ji)(ji)、圓(yuan)(yuan)(yuan)背(bei)(bei)無脊(ji)(ji)和方背(bei)(bei)(或稱(cheng)平(ping)背(bei)(bei))三種。平(ping)裝(zhuang)裹背(bei)(bei)條(tiao)書(shu)(shu)刊的(de)(de)(de)(de)書(shu)(shu)脊(ji)(ji)不高出書(shu)(shu)芯平(ping)面,而(er)精(jing)裝(zhuang)書(shu)(shu)刊的(de)(de)(de)(de)書(shu)(shu)脊(ji)(ji)一(yi)般要(yao)高出書(shu)(shu)芯的(de)(de)(de)(de)平(ping)面。書(shu)(shu)脊(ji)(ji)分為真脊(ji)(ji)和假(jia)脊(ji)(ji)。
真(zhen)脊是利(li)(li)用(yong)書(shu)(shu)背(bei)(bei)上下兩邊變形的(de)弧度(du)高出(chu)書(shu)(shu)芯(xin)平(ping)(ping)面(mian);假脊則(ze)是利(li)(li)用(yong)紙板鑲在書(shu)(shu)背(bei)(bei)后(hou)形成的(de)書(shu)(shu)脊,書(shu)(shu)脊的(de)脊高等于封面(mian)紙板的(de)厚度(du)。方背(bei)(bei)書(shu)(shu)芯(xin)。是指書(shu)(shu)芯(xin)的(de)書(shu)(shu)背(bei)(bei)平(ping)(ping)直方正(zheng)。書(shu)(shu)背(bei)(bei)不突出(chu),與(yu)平(ping)(ping)裝書(shu)(shu)刊(kan)的(de)書(shu)(shu)背(bei)(bei)基(ji)本相似(si)。
背(bei)(bei)(bei)(bei)(bei)(bei)與書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)上(shang)下環襯互成(cheng)直角(jiao),由(you)于精裝(zhuang)(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)是用鎖(suo)線訂訂連(lian),每一(yi)(yi)個書(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)的(de)訂口折縫里面(mian)都(dou)用線串過(guo),因此,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)(bei)(bei)(bei)(bei)(bei)脊(ji)(ji)(ji)比書(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)其(qi)它部(bu)(bu)分(fen)要(yao)厚(hou)一(yi)(yi)些,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)的(de)帖(tie)數越(yue)多,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)背(bei)(bei)(bei)(bei)(bei)(bei)與書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)其(qi)它部(bu)(bu)分(fen)厚(hou)度(du)的(de)差別(bie)也(ye)越(yue)大。所以方背(bei)(bei)(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的(de)形(xing)(xing)(xing)(xing)式(shi)(shi)(shi)一(yi)(yi)般(ban)只用于厚(hou)度(du)約為20mm的(de)精裝(zhuang)(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)有脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)有脊(ji)(ji)(ji)又(you)稱(cheng)圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)真脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)(bei)(bei)(bei)(bei)(bei)部(bu)(bu)呈(cheng)(cheng)圓(yuan)(yuan)(yuan)弧(hu)形(xing)(xing)(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)高起有脊(ji)(ji)(ji)壟,堅(jian)(jian)硬挺實,這(zhe)種(zhong)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)(bei)的(de)形(xing)(xing)(xing)(xing)式(shi)(shi)(shi)適合于裝(zhuang)(zhuang)(zhuang)訂較厚(hou)的(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji),裝(zhuang)(zhuang)(zhuang)上(shang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)后(hou)有明顯(xian)的(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽,翻(fan)閱方便。目(mu)前我國的(de)精裝(zhuang)(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)多采用這(zhe)種(zhong)圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)有脊(ji)(ji)(ji)的(de)加工形(xing)(xing)(xing)(xing)式(shi)(shi)(shi)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)無(wu)脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)無(wu)脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)又(you)稱(cheng)圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)(bei)假(jia)脊(ji)(ji)(ji),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)(bei)(bei)(bei)(bei)(bei)部(bu)(bu)呈(cheng)(cheng)圓(yuan)(yuan)(yuan)弧(hu)形(xing)(xing)(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)(bei)與書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的(de)厚(hou)度(du)相同,堅(jian)(jian)實挺括,但沒(mei)有書(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)(bei)(bei)(bei)條脊(ji)(ji)(ji)。這(zhe)種(zhong)形(xing)(xing)(xing)(xing)式(shi)(shi)(shi)的(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin),一(yi)(yi)般(ban)常與軟質書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)或(huo)塑料(liao)壓制而成(cheng)的(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)相配套。中心紙有些機器(qi)(qi)(qi)還沒(mei)有沖圓(yuan)(yuan)(yuan)裝(zhuang)(zhuang)(zhuang)置,即將(jiang)方背(bei)(bei)(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)先進行沖圓(yuan)(yuan)(yuan)加工,作初步定型。先根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)厚(hou)度(du)和(he)中心紙幅面(mian)大小調(diao)定好夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)(qi)(qi)及扒圓(yuan)(yuan)(yuan)輥(gun)(或(huo)沖圓(yuan)(yuan)(yuan)裝(zhuang)(zhuang)(zhuang)置)的(de)規矩(ju),再使(shi)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)進入夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)(qi)(qi)內并送(song)到扒圓(yuan)(yuan)(yuan)輥(gun)之間,將(jiang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)(bei)扒擠成(cheng)一(yi)(yi)定圓(yuan)(yuan)(yuan)勢。