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信(xin)息來(lai)源(yuan)于(yu)(yu):互(hu)聯網 發(fa)布(bu)于(yu)(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(yu)精裝(zhuang)書本(ben)(ben)的(de)書脊(ji)部分,使(shi)書貼連(lian)接得更(geng)加牢固(gu)。書脊(ji)制作弧長的(de)計算,本(ben)(ben)器規(gui)格(ge)依書芯幅(fu)面大(da)小進行調定,以能(neng)將書芯平穩地送進夾(jia)書裝(zhuang)置內為(wei)標準(zhun)。入(ru)本(ben)(ben)后(hou)的(de)書冊不斜歪,四角垂直地頂(ding)齊在夾(jia)書裝(zhuang)置的(de)靠(kao)板(ban)、側規(gui)內。裁切(qie)尺(chi)寸正確(que)一(yi)致,其質量要求與規(gui)格(ge)誤差與一(yi)般切(qie)書相(xiang)同。

夾(jia)書簽絲帶(dai)裝置(zhi)安放在切書機(ji)與扒圓起(qi)脊機(ji)之間。即(ji)將切完的書芯,用(yong)分本器從中間分開,再(zai)由輸放絲帶(dai)器將絲帶(dai)夾(jia)入(ru)中心紙書芯的中間靠訂縫一(yi)邊。絲帶(dai)夾(jia)在書芯內兩端各留出粘(zhan)邊和使用(yong)的余地,再(zai)經切刀(剪(jian)刀式)將其剪(jian)斷。

剪(jian)斷后(hou)的(de)(de)絲帶,裹背(bei)條(tiao)芯(xin)部分(fen)(fen)被下(xia)面(mian)膠(jiao)(jiao)輥(gun)著膠(jiao)(jiao)、壓實完成夾書(shu)(shu)簽絲帶過(guo)程。書(shu)(shu)簽絲帶的(de)(de)長度與一(yi)(yi)般(ban)手工加工長度基(ji)本相同,可依(yi)書(shu)(shu)冊(ce)幅面(mian)長度調(diao)定。扒(ba)(ba)圓(yuan)(yuan)起(qi)(qi)脊(ji)(ji)操作(zuo)及要求。書(shu)(shu)芯(xin)經裁(cai)切(qie)、夾粘絲帶(或不夾粘絲帶)后(hou),繼續傳(chuan)送(或翻轉(zhuan)變(bian)位(wei))并做90°翻轉(zhuan),使平放書(shu)(shu)芯(xin)變(bian)為后(hou)背(bei)朝上(或朝下(xia))而進入(ru)扒(ba)(ba)圓(yuan)(yuan)起(qi)(qi)脊(ji)(ji)機(ji)。扒(ba)(ba)圓(yuan)(yuan)起(qi)(qi)脊(ji)(ji)機(ji)的(de)(de)加工,其(qi)操作(zuo)分(fen)(fen)為兩步,但機(ji)器的(de)(de)結構是連在一(yi)(yi)起(qi)(qi)的(de)(de),均是先扒(ba)(ba)圓(yuan)(yuan)后(hou)起(qi)(qi)脊(ji)(ji)。扒(ba)(ba)圓(yuan)(yuan)。扒(ba)(ba)圓(yuan)(yuan)起(qi)(qi)脊(ji)(ji)機(ji)在扒(ba)(ba)圓(yuan)(yuan)時,由一(yi)(yi)組(或一(yi)(yi)對)圓(yuan)(yuan)輥(gun),將書(shu)(shu)芯(xin)壓緊后(hou)作(zuo)相對旋轉(zhuan)動作(zuo)),使書(shu)(shu)背(bei)扒(ba)(ba)成適當規(gui)格圓(yuan)(yuan)勢(shi),加工成圓(yuan)(yuan)背(bei)書(shu)(shu)芯(xin)。書(shu)(shu)芯(xin)書(shu)(shu)背(bei)的(de)(de)形狀分(fen)(fen)為圓(yuan)(yuan)背(bei)有脊(ji)(ji)、圓(yuan)(yuan)背(bei)無脊(ji)(ji)和方背(bei)(或稱平背(bei))三種(zhong)。平裝(zhuang)裹背(bei)條(tiao)書(shu)(shu)刊(kan)的(de)(de)書(shu)(shu)脊(ji)(ji)不高出書(shu)(shu)芯(xin)平面(mian),而精(jing)裝(zhuang)書(shu)(shu)刊(kan)的(de)(de)書(shu)(shu)脊(ji)(ji)一(yi)(yi)般(ban)要高出書(shu)(shu)芯(xin)的(de)(de)平面(mian)。書(shu)(shu)脊(ji)(ji)分(fen)(fen)為真脊(ji)(ji)和假脊(ji)(ji)。

真脊(ji)(ji)(ji)是利用書(shu)(shu)(shu)(shu)背(bei)上下兩邊(bian)變形(xing)的(de)(de)(de)弧度(du)高(gao)出書(shu)(shu)(shu)(shu)芯(xin)平面;假脊(ji)(ji)(ji)則(ze)是利用紙板鑲在書(shu)(shu)(shu)(shu)背(bei)后(hou)形(xing)成的(de)(de)(de)書(shu)(shu)(shu)(shu)脊(ji)(ji)(ji),書(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)的(de)(de)(de)脊(ji)(ji)(ji)高(gao)等于封(feng)面紙板的(de)(de)(de)厚度(du)。方(fang)背(bei)書(shu)(shu)(shu)(shu)芯(xin)。是指書(shu)(shu)(shu)(shu)芯(xin)的(de)(de)(de)書(shu)(shu)(shu)(shu)背(bei)平直(zhi)方(fang)正。書(shu)(shu)(shu)(shu)背(bei)不突出,與平裝書(shu)(shu)(shu)(shu)刊的(de)(de)(de)書(shu)(shu)(shu)(shu)背(bei)基本(ben)相似。

背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)上(shang)下環襯互成(cheng)直角,由(you)于(yu)精(jing)裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)是用鎖(suo)線(xian)訂訂連,每一個(ge)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)的訂口折(zhe)縫里面都用線(xian)串(chuan)過,因此,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)脊(ji)(ji)比書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)其它(ta)(ta)部(bu)分(fen)要(yao)厚一些,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)的帖(tie)數越(yue)多,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)其它(ta)(ta)部(bu)分(fen)厚度的差別也越(yue)大。所以方(fang)背(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)的形(xing)式一般只用于(yu)厚度約(yue)為20mm的精(jing)裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有脊(ji)(ji)又稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)真脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)部(bu)呈圓(yuan)(yuan)(yuan)弧(hu)形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)高起有脊(ji)(ji)壟(long),堅硬挺(ting)實(shi),這種(zhong)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)的形(xing)式適合于(yu)裝(zhuang)訂較厚的書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji),裝(zhuang)上(shang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)后有明顯的書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽,翻閱(yue)方(fang)便。目前我國的精(jing)裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)多采用這種(zhong)圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有脊(ji)(ji)的加工形(xing)式。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)無(wu)脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)無(wu)脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)又稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)假脊(ji)(ji),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)背(bei)(bei)(bei)(bei)部(bu)呈圓(yuan)(yuan)(yuan)弧(hu)形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)的厚度相同(tong),堅實(shi)挺(ting)括,但沒有書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)(bei)條脊(ji)(ji)。這種(zhong)形(xing)式的書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin),一般常(chang)與(yu)(yu)軟(ruan)質書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)或(huo)塑(su)料壓(ya)制而成(cheng)的書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)相配套。中心紙(zhi)有些機器(qi)(qi)還(huan)沒有沖(chong)圓(yuan)(yuan)(yuan)裝(zhuang)置,即將(jiang)方(fang)背(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)先(xian)進(jin)行沖(chong)圓(yuan)(yuan)(yuan)加工,作(zuo)初步(bu)定型。先(xian)根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)厚度和中心紙(zhi)幅面大小調定好(hao)夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)(qi)及扒(ba)(ba)圓(yuan)(yuan)(yuan)輥(或(huo)沖(chong)圓(yuan)(yuan)(yuan)裝(zhuang)置)的規矩,再(zai)使(shi)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)進(jin)入(ru)夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)(qi)內并送到扒(ba)(ba)圓(yuan)(yuan)(yuan)輥之間(jian),將(jiang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)扒(ba)(ba)擠成(cheng)一定圓(yuan)(yuan)(yuan)勢(shi)。

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