信息來源于(yu):互聯(lian)網 發布于(yu):2021-08-13
什么是(shi)裹(guo)背條,裹(guo)背條是(shi)通過皮殼機等機械用于精裝(zhuang)書(shu)(shu)(shu)本(ben)(ben)的(de)書(shu)(shu)(shu)脊(ji)部分,使書(shu)(shu)(shu)貼連(lian)接(jie)得更加牢(lao)固。書(shu)(shu)(shu)脊(ji)制作弧長的(de)計算,本(ben)(ben)器規(gui)格(ge)依(yi)書(shu)(shu)(shu)芯(xin)幅面大(da)小(xiao)進行調定(ding),以能將(jiang)書(shu)(shu)(shu)芯(xin)平穩(wen)地送進夾(jia)書(shu)(shu)(shu)裝(zhuang)置內為標(biao)準。入本(ben)(ben)后的(de)書(shu)(shu)(shu)冊不(bu)斜歪(wai),四角(jiao)垂(chui)直地頂齊在夾(jia)書(shu)(shu)(shu)裝(zhuang)置的(de)靠板、側規(gui)內。裁切尺(chi)寸正確一致,其質(zhi)量要求與規(gui)格(ge)誤差與一般切書(shu)(shu)(shu)相同。
夾書(shu)(shu)簽絲(si)帶裝置(zhi)安放在切書(shu)(shu)機與扒圓起脊機之間。即將切完的書(shu)(shu)芯,用(yong)分本器從中(zhong)間分開,再(zai)由輸放絲(si)帶器將絲(si)帶夾入中(zhong)心(xin)紙(zhi)書(shu)(shu)芯的中(zhong)間靠訂(ding)縫(feng)一邊。絲(si)帶夾在書(shu)(shu)芯內兩端各留出粘(zhan)邊和使用(yong)的余(yu)地,再(zai)經切刀(剪刀式)將其剪斷。
剪斷后(hou)的(de)(de)(de)絲帶(dai)(dai)(dai),裹背(bei)(bei)(bei)條(tiao)芯(xin)部分(fen)被下面(mian)膠輥(gun)著膠、壓(ya)實(shi)完成夾書(shu)(shu)(shu)(shu)(shu)簽(qian)絲帶(dai)(dai)(dai)過程。書(shu)(shu)(shu)(shu)(shu)簽(qian)絲帶(dai)(dai)(dai)的(de)(de)(de)長(chang)(chang)度(du)與一(yi)(yi)般手工(gong)(gong)加工(gong)(gong)長(chang)(chang)度(du)基(ji)本相同,可依(yi)書(shu)(shu)(shu)(shu)(shu)冊幅(fu)面(mian)長(chang)(chang)度(du)調(diao)定。扒圓(yuan)(yuan)(yuan)(yuan)起脊(ji)操作及(ji)要求(qiu)。書(shu)(shu)(shu)(shu)(shu)芯(xin)經裁切、夾粘絲帶(dai)(dai)(dai)(或(huo)(huo)不夾粘絲帶(dai)(dai)(dai))后(hou),繼續(xu)傳送(或(huo)(huo)翻(fan)轉變(bian)位(wei))并(bing)做90°翻(fan)轉,使平(ping)放(fang)書(shu)(shu)(shu)(shu)(shu)芯(xin)變(bian)為(wei)(wei)后(hou)背(bei)(bei)(bei)朝(chao)上(shang)(或(huo)(huo)朝(chao)下)而(er)進入扒圓(yuan)(yuan)(yuan)(yuan)起脊(ji)機(ji)(ji)。扒圓(yuan)(yuan)(yuan)(yuan)起脊(ji)機(ji)(ji)的(de)(de)(de)加工(gong)(gong),其(qi)操作分(fen)為(wei)(wei)兩步,但機(ji)(ji)器的(de)(de)(de)結(jie)構是(shi)連(lian)在一(yi)(yi)起的(de)(de)(de),均是(shi)先(xian)扒圓(yuan)(yuan)(yuan)(yuan)后(hou)起脊(ji)。扒圓(yuan)(yuan)(yuan)(yuan)。扒圓(yuan)(yuan)(yuan)(yuan)起脊(ji)機(ji)(ji)在扒圓(yuan)(yuan)(yuan)(yuan)時(shi),由一(yi)(yi)組(或(huo)(huo)一(yi)(yi)對)圓(yuan)(yuan)(yuan)(yuan)輥(gun),將書(shu)(shu)(shu)(shu)(shu)芯(xin)壓(ya)緊(jin)后(hou)作相對旋(xuan)轉動作),使書(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)扒成適當規(gui)格(ge)圓(yuan)(yuan)(yuan)(yuan)勢(shi),加工(gong)(gong)成圓(yuan)(yuan)(yuan)(yuan)背(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)芯(xin)。書(shu)(shu)(shu)(shu)(shu)芯(xin)書(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)的(de)(de)(de)形(xing)狀分(fen)為(wei)(wei)圓(yuan)(yuan)(yuan)(yuan)背(bei)(bei)(bei)有脊(ji)、圓(yuan)(yuan)(yuan)(yuan)背(bei)(bei)(bei)無脊(ji)和(he)方(fang)背(bei)(bei)(bei)(或(huo)(huo)稱平(ping)背(bei)(bei)(bei))三種。平(ping)裝裹背(bei)(bei)(bei)條(tiao)書(shu)(shu)(shu)(shu)(shu)刊(kan)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)脊(ji)不高出書(shu)(shu)(shu)(shu)(shu)芯(xin)平(ping)面(mian),而(er)精(jing)裝書(shu)(shu)(shu)(shu)(shu)刊(kan)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)脊(ji)一(yi)(yi)般要高出書(shu)(shu)(shu)(shu)(shu)芯(xin)的(de)(de)(de)平(ping)面(mian)。書(shu)(shu)(shu)(shu)(shu)脊(ji)分(fen)為(wei)(wei)真脊(ji)和(he)假脊(ji)。
真脊(ji)(ji)是利用書(shu)(shu)背上下兩邊變形的(de)弧度高(gao)出書(shu)(shu)芯平面;假脊(ji)(ji)則(ze)是利用紙板(ban)鑲在書(shu)(shu)背后形成的(de)書(shu)(shu)脊(ji)(ji),書(shu)(shu)脊(ji)(ji)的(de)脊(ji)(ji)高(gao)等(deng)于封(feng)面紙板(ban)的(de)厚度。方(fang)背書(shu)(shu)芯。是指書(shu)(shu)芯的(de)書(shu)(shu)背平直方(fang)正。書(shu)(shu)背不突(tu)出,與平裝書(shu)(shu)刊的(de)書(shu)(shu)背基本相似(si)。
背(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)上下環襯互成(cheng)直角,由(you)于精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)是用(yong)(yong)鎖線訂(ding)訂(ding)連,每一個(ge)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖的(de)(de)(de)訂(ding)口折(zhe)縫里面(mian)都用(yong)(yong)線串過,因此,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)脊(ji)(ji)比(bi)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖其(qi)它(ta)部(bu)(bu)(bu)(bu)分要厚(hou)一些,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji)的(de)(de)(de)帖數越多(duo),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)背(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)其(qi)它(ta)部(bu)(bu)(bu)(bu)分厚(hou)度的(de)(de)(de)差別也越大(da)。所以方(fang)背(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的(de)(de)(de)形(xing)式(shi)一般(ban)只用(yong)(yong)于厚(hou)度約為20mm的(de)(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji)。圓(yuan)(yuan)背(bei)有(you)(you)(you)脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。圓(yuan)(yuan)背(bei)有(you)(you)(you)脊(ji)(ji)又稱圓(yuan)(yuan)背(bei)真(zhen)脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)部(bu)(bu)(bu)(bu)呈圓(yuan)(yuan)弧形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)高起有(you)(you)(you)脊(ji)(ji)壟(long),堅硬挺實,這(zhe)種書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)的(de)(de)(de)形(xing)式(shi)適合于裝(zhuang)(zhuang)訂(ding)較(jiao)厚(hou)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji),裝(zhuang)(zhuang)上書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼后(hou)有(you)(you)(you)明顯的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽,翻閱方(fang)便(bian)。目前我國的(de)(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji)多(duo)采用(yong)(yong)這(zhe)種圓(yuan)(yuan)背(bei)有(you)(you)(you)脊(ji)(ji)的(de)(de)(de)加工(gong)形(xing)式(shi)。圓(yuan)(yuan)背(bei)無脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。圓(yuan)(yuan)背(bei)無脊(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)又稱圓(yuan)(yuan)背(bei)假脊(ji)(ji),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)部(bu)(bu)(bu)(bu)呈圓(yuan)(yuan)弧形(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的(de)(de)(de)厚(hou)度相(xiang)同,堅實挺括,但沒有(you)(you)(you)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)條脊(ji)(ji)。這(zhe)種形(xing)式(shi)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin),一般(ban)常與(yu)(yu)軟質書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼或塑料壓(ya)制(zhi)而成(cheng)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼相(xiang)配(pei)套。中心(xin)紙(zhi)有(you)(you)(you)些機器(qi)還沒有(you)(you)(you)沖圓(yuan)(yuan)裝(zhuang)(zhuang)置,即將方(fang)背(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)先進行沖圓(yuan)(yuan)加工(gong),作初步定型。先根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)厚(hou)度和中心(xin)紙(zhi)幅面(mian)大(da)小調定好(hao)夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)及(ji)扒(ba)圓(yuan)(yuan)輥(或沖圓(yuan)(yuan)裝(zhuang)(zhuang)置)的(de)(de)(de)規(gui)矩,再使書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)進入(ru)夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)內并(bing)送到扒(ba)圓(yuan)(yuan)輥之(zhi)間,將書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)扒(ba)擠成(cheng)一定圓(yuan)(yuan)勢。