信息來(lai)源于:互聯網 發布于:2021-08-13
什么是裹背條,裹背條是通(tong)過皮(pi)殼機等機械用于精裝書(shu)(shu)(shu)本的書(shu)(shu)(shu)脊部(bu)分,使書(shu)(shu)(shu)貼連(lian)接得更(geng)加牢固。書(shu)(shu)(shu)脊制作弧(hu)長的計算,本器(qi)規(gui)格依(yi)書(shu)(shu)(shu)芯幅(fu)面(mian)大小進(jin)行調(diao)定,以能將書(shu)(shu)(shu)芯平(ping)穩(wen)地送進(jin)夾書(shu)(shu)(shu)裝置內為標準(zhun)。入本后(hou)的書(shu)(shu)(shu)冊不(bu)斜歪,四(si)角垂直地頂齊在夾書(shu)(shu)(shu)裝置的靠板(ban)、側規(gui)內。裁切尺寸正確(que)一(yi)致(zhi),其(qi)質(zhi)量要求與(yu)規(gui)格誤差與(yu)一(yi)般切書(shu)(shu)(shu)相同。
夾(jia)(jia)書簽絲帶裝置安放(fang)在(zai)切書機與(yu)扒(ba)圓起(qi)脊機之間。即將切完的(de)(de)書芯(xin)(xin),用(yong)分(fen)本器從中(zhong)間分(fen)開,再由輸放(fang)絲帶器將絲帶夾(jia)(jia)入中(zhong)心紙書芯(xin)(xin)的(de)(de)中(zhong)間靠訂(ding)縫一邊。絲帶夾(jia)(jia)在(zai)書芯(xin)(xin)內兩端各留出(chu)粘邊和使(shi)用(yong)的(de)(de)余地,再經切刀(dao)(剪(jian)刀(dao)式)將其剪(jian)斷。
剪斷后的絲帶,裹背(bei)(bei)條芯(xin)部分被下(xia)(xia)面膠輥著膠、壓實完成(cheng)(cheng)夾(jia)書(shu)(shu)(shu)(shu)簽(qian)絲帶過(guo)程。書(shu)(shu)(shu)(shu)簽(qian)絲帶的長(chang)度與一(yi)般手工(gong)加工(gong)長(chang)度基本(ben)相同(tong),可依書(shu)(shu)(shu)(shu)冊幅面長(chang)度調定(ding)。扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)起(qi)(qi)(qi)(qi)脊(ji)(ji)(ji)操(cao)作(zuo)及要(yao)求。書(shu)(shu)(shu)(shu)芯(xin)經(jing)裁切、夾(jia)粘(zhan)絲帶(或(huo)不夾(jia)粘(zhan)絲帶)后,繼續傳送(或(huo)翻轉變(bian)位(wei))并做90°翻轉,使(shi)平放書(shu)(shu)(shu)(shu)芯(xin)變(bian)為(wei)(wei)后背(bei)(bei)朝上(或(huo)朝下(xia)(xia))而進(jin)入扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)起(qi)(qi)(qi)(qi)脊(ji)(ji)(ji)機(ji)(ji)。扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)起(qi)(qi)(qi)(qi)脊(ji)(ji)(ji)機(ji)(ji)的加工(gong),其操(cao)作(zuo)分為(wei)(wei)兩步,但(dan)機(ji)(ji)器的結構是(shi)連在一(yi)起(qi)(qi)(qi)(qi)的,均(jun)是(shi)先(xian)扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)后起(qi)(qi)(qi)(qi)脊(ji)(ji)(ji)。扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)。扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)起(qi)(qi)(qi)(qi)脊(ji)(ji)(ji)機(ji)(ji)在扒(ba)圓(yuan)(yuan)(yuan)(yuan)(yuan)時(shi),由(you)一(yi)組(或(huo)一(yi)對(dui))圓(yuan)(yuan)(yuan)(yuan)(yuan)輥,將書(shu)(shu)(shu)(shu)芯(xin)壓緊后作(zuo)相對(dui)旋轉動作(zuo)),使(shi)書(shu)(shu)(shu)(shu)背(bei)(bei)扒(ba)成(cheng)(cheng)適(shi)當規格(ge)圓(yuan)(yuan)(yuan)(yuan)(yuan)勢,加工(gong)成(cheng)(cheng)圓(yuan)(yuan)(yuan)(yuan)(yuan)背(bei)(bei)書(shu)(shu)(shu)(shu)芯(xin)。書(shu)(shu)(shu)(shu)芯(xin)書(shu)(shu)(shu)(shu)背(bei)(bei)的形狀分為(wei)(wei)圓(yuan)(yuan)(yuan)(yuan)(yuan)背(bei)(bei)有脊(ji)(ji)(ji)、圓(yuan)(yuan)(yuan)(yuan)(yuan)背(bei)(bei)無脊(ji)(ji)(ji)和方背(bei)(bei)(或(huo)稱平背(bei)(bei))三種。平裝裹背(bei)(bei)條書(shu)(shu)(shu)(shu)刊的書(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)不高出書(shu)(shu)(shu)(shu)芯(xin)平面,而精裝書(shu)(shu)(shu)(shu)刊的書(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)一(yi)般要(yao)高出書(shu)(shu)(shu)(shu)芯(xin)的平面。書(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)分為(wei)(wei)真脊(ji)(ji)(ji)和假脊(ji)(ji)(ji)。
真(zhen)脊(ji)是利(li)用(yong)書(shu)(shu)(shu)背(bei)(bei)(bei)上(shang)下兩邊變形的(de)(de)弧度(du)高出(chu)書(shu)(shu)(shu)芯平(ping)面;假脊(ji)則是利(li)用(yong)紙板鑲在書(shu)(shu)(shu)背(bei)(bei)(bei)后形成的(de)(de)書(shu)(shu)(shu)脊(ji),書(shu)(shu)(shu)脊(ji)的(de)(de)脊(ji)高等(deng)于封面紙板的(de)(de)厚度(du)。方(fang)背(bei)(bei)(bei)書(shu)(shu)(shu)芯。是指(zhi)書(shu)(shu)(shu)芯的(de)(de)書(shu)(shu)(shu)背(bei)(bei)(bei)平(ping)直(zhi)方(fang)正。書(shu)(shu)(shu)背(bei)(bei)(bei)不突出(chu),與平(ping)裝書(shu)(shu)(shu)刊的(de)(de)書(shu)(shu)(shu)背(bei)(bei)(bei)基本(ben)相似。
背(bei)(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)上(shang)下環襯互成(cheng)(cheng)直角,由于(yu)精(jing)裝(zhuang)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)是用(yong)鎖線訂(ding)(ding)訂(ding)(ding)連,每一個書(shu)(shu)(shu)(shu)帖的(de)(de)訂(ding)(ding)口(kou)折縫里面都用(yong)線串(chuan)過,因(yin)此,書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)背(bei)(bei)(bei)(bei)(bei)脊(ji)比書(shu)(shu)(shu)(shu)帖其它部分要厚(hou)(hou)(hou)一些,書(shu)(shu)(shu)(shu)籍的(de)(de)帖數越多,書(shu)(shu)(shu)(shu)脊(ji)背(bei)(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)其它部分厚(hou)(hou)(hou)度(du)(du)(du)的(de)(de)差別也(ye)越大。所以方(fang)背(bei)(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)的(de)(de)形式一般只用(yong)于(yu)厚(hou)(hou)(hou)度(du)(du)(du)約為20mm的(de)(de)精(jing)裝(zhuang)書(shu)(shu)(shu)(shu)籍。圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)有(you)(you)脊(ji)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)。圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)有(you)(you)脊(ji)又稱圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)真脊(ji)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)。書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)背(bei)(bei)(bei)(bei)(bei)部呈圓(yuan)(yuan)弧形,書(shu)(shu)(shu)(shu)脊(ji)高起(qi)有(you)(you)脊(ji)壟,堅(jian)硬(ying)挺實,這(zhe)(zhe)種書(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)的(de)(de)形式適(shi)合于(yu)裝(zhuang)訂(ding)(ding)較厚(hou)(hou)(hou)的(de)(de)書(shu)(shu)(shu)(shu)籍,裝(zhuang)上(shang)書(shu)(shu)(shu)(shu)殼后有(you)(you)明顯的(de)(de)書(shu)(shu)(shu)(shu)槽(cao),翻閱方(fang)便。目前我國的(de)(de)精(jing)裝(zhuang)書(shu)(shu)(shu)(shu)籍多采(cai)用(yong)這(zhe)(zhe)種圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)有(you)(you)脊(ji)的(de)(de)加(jia)工形式。圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)無脊(ji)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)。圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)無脊(ji)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)又稱圓(yuan)(yuan)背(bei)(bei)(bei)(bei)(bei)假(jia)脊(ji),書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)背(bei)(bei)(bei)(bei)(bei)部呈圓(yuan)(yuan)弧形,書(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)的(de)(de)厚(hou)(hou)(hou)度(du)(du)(du)相同,堅(jian)實挺括,但沒(mei)有(you)(you)書(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)(bei)(bei)條脊(ji)。這(zhe)(zhe)種形式的(de)(de)書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin),一般常(chang)與(yu)(yu)軟(ruan)質書(shu)(shu)(shu)(shu)殼或塑(su)料(liao)壓制而成(cheng)(cheng)的(de)(de)書(shu)(shu)(shu)(shu)殼相配(pei)套。中(zhong)心紙(zhi)有(you)(you)些機器還沒(mei)有(you)(you)沖圓(yuan)(yuan)裝(zhuang)置,即將(jiang)方(fang)背(bei)(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)先進行沖圓(yuan)(yuan)加(jia)工,作(zuo)初步定(ding)(ding)型。先根據書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)厚(hou)(hou)(hou)度(du)(du)(du)和中(zhong)心紙(zhi)幅面大小調定(ding)(ding)好夾書(shu)(shu)(shu)(shu)器及扒(ba)(ba)圓(yuan)(yuan)輥(gun)(或沖圓(yuan)(yuan)裝(zhuang)置)的(de)(de)規(gui)矩(ju),再使書(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)進入夾書(shu)(shu)(shu)(shu)器內并送到扒(ba)(ba)圓(yuan)(yuan)輥(gun)之間(jian),將(jiang)書(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)(bei)扒(ba)(ba)擠成(cheng)(cheng)一定(ding)(ding)圓(yuan)(yuan)勢。