信息(xi)來源于:互聯網 發布(bu)于:2021-08-13
什么是裹(guo)背(bei)(bei)條(tiao),裹(guo)背(bei)(bei)條(tiao)是通過皮殼(ke)機等機械用于精裝書(shu)(shu)(shu)本的書(shu)(shu)(shu)脊部分,使書(shu)(shu)(shu)貼連接得更加(jia)牢固。書(shu)(shu)(shu)脊制作弧(hu)長的計算,本器規(gui)(gui)格依書(shu)(shu)(shu)芯幅面大小進(jin)行調定,以能(neng)將書(shu)(shu)(shu)芯平(ping)穩地送進(jin)夾(jia)書(shu)(shu)(shu)裝置內為標準。入本后的書(shu)(shu)(shu)冊不斜歪(wai),四角垂直地頂齊(qi)在夾(jia)書(shu)(shu)(shu)裝置的靠板、側規(gui)(gui)內。裁切尺寸正(zheng)確一致,其質量(liang)要求與規(gui)(gui)格誤差與一般切書(shu)(shu)(shu)相同。
夾(jia)書(shu)(shu)簽(qian)絲帶裝置安(an)放在切(qie)書(shu)(shu)機(ji)與扒圓起脊機(ji)之間(jian)(jian)。即(ji)將(jiang)切(qie)完(wan)的書(shu)(shu)芯,用分本器從中間(jian)(jian)分開,再(zai)由輸放絲帶器將(jiang)絲帶夾(jia)入中心紙書(shu)(shu)芯的中間(jian)(jian)靠訂縫一(yi)邊。絲帶夾(jia)在書(shu)(shu)芯內(nei)兩端各留(liu)出(chu)粘邊和使用的余地,再(zai)經切(qie)刀(dao)(剪(jian)刀(dao)式)將(jiang)其(qi)剪(jian)斷。
剪斷后(hou)的絲帶(dai),裹背(bei)(bei)條芯(xin)(xin)(xin)部分(fen)(fen)(fen)被下(xia)面(mian)(mian)膠(jiao)輥著膠(jiao)、壓實完(wan)成夾書(shu)(shu)簽絲帶(dai)過程。書(shu)(shu)簽絲帶(dai)的長(chang)度(du)與一般(ban)手工加工長(chang)度(du)基本相(xiang)同,可依書(shu)(shu)冊幅(fu)面(mian)(mian)長(chang)度(du)調(diao)定。扒(ba)圓(yuan)(yuan)起(qi)(qi)(qi)脊(ji)(ji)操(cao)作(zuo)及要求(qiu)。書(shu)(shu)芯(xin)(xin)(xin)經裁(cai)切、夾粘絲帶(dai)(或(huo)不夾粘絲帶(dai))后(hou),繼續傳送(或(huo)翻(fan)轉(zhuan)變位)并做90°翻(fan)轉(zhuan),使平(ping)放書(shu)(shu)芯(xin)(xin)(xin)變為后(hou)背(bei)(bei)朝(chao)上(或(huo)朝(chao)下(xia))而進入扒(ba)圓(yuan)(yuan)起(qi)(qi)(qi)脊(ji)(ji)機(ji)。扒(ba)圓(yuan)(yuan)起(qi)(qi)(qi)脊(ji)(ji)機(ji)的加工,其(qi)操(cao)作(zuo)分(fen)(fen)(fen)為兩步,但機(ji)器的結構是連在一起(qi)(qi)(qi)的,均(jun)是先扒(ba)圓(yuan)(yuan)后(hou)起(qi)(qi)(qi)脊(ji)(ji)。扒(ba)圓(yuan)(yuan)。扒(ba)圓(yuan)(yuan)起(qi)(qi)(qi)脊(ji)(ji)機(ji)在扒(ba)圓(yuan)(yuan)時(shi),由(you)一組(zu)(或(huo)一對)圓(yuan)(yuan)輥,將書(shu)(shu)芯(xin)(xin)(xin)壓緊后(hou)作(zuo)相(xiang)對旋轉(zhuan)動(dong)作(zuo)),使書(shu)(shu)背(bei)(bei)扒(ba)成適(shi)當規格圓(yuan)(yuan)勢,加工成圓(yuan)(yuan)背(bei)(bei)書(shu)(shu)芯(xin)(xin)(xin)。書(shu)(shu)芯(xin)(xin)(xin)書(shu)(shu)背(bei)(bei)的形狀分(fen)(fen)(fen)為圓(yuan)(yuan)背(bei)(bei)有脊(ji)(ji)、圓(yuan)(yuan)背(bei)(bei)無(wu)脊(ji)(ji)和(he)方背(bei)(bei)(或(huo)稱(cheng)平(ping)背(bei)(bei))三(san)種。平(ping)裝裹背(bei)(bei)條書(shu)(shu)刊(kan)的書(shu)(shu)脊(ji)(ji)不高出(chu)書(shu)(shu)芯(xin)(xin)(xin)平(ping)面(mian)(mian),而精(jing)裝書(shu)(shu)刊(kan)的書(shu)(shu)脊(ji)(ji)一般(ban)要高出(chu)書(shu)(shu)芯(xin)(xin)(xin)的平(ping)面(mian)(mian)。書(shu)(shu)脊(ji)(ji)分(fen)(fen)(fen)為真(zhen)脊(ji)(ji)和(he)假(jia)脊(ji)(ji)。
真脊(ji)是利(li)(li)用書(shu)(shu)背(bei)上下兩邊變(bian)形的(de)弧度(du)高(gao)出書(shu)(shu)芯(xin)平面(mian);假脊(ji)則(ze)是利(li)(li)用紙(zhi)板(ban)鑲在書(shu)(shu)背(bei)后形成的(de)書(shu)(shu)脊(ji),書(shu)(shu)脊(ji)的(de)脊(ji)高(gao)等于封(feng)面(mian)紙(zhi)板(ban)的(de)厚度(du)。方背(bei)書(shu)(shu)芯(xin)。是指書(shu)(shu)芯(xin)的(de)書(shu)(shu)背(bei)平直(zhi)方正。書(shu)(shu)背(bei)不突(tu)出,與平裝書(shu)(shu)刊(kan)的(de)書(shu)(shu)背(bei)基本相似。
背(bei)(bei)(bei)與書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)上下環襯互成直角(jiao),由于(yu)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)是用(yong)(yong)鎖線訂訂連(lian),每一(yi)(yi)個書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖的(de)(de)(de)訂口(kou)折縫里面(mian)都用(yong)(yong)線串過,因此(ci),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)(bei)(bei)脊(ji)(ji)(ji)比書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖其它部分要厚(hou)一(yi)(yi)些,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)的(de)(de)(de)帖數越多,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)背(bei)(bei)(bei)與書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)其它部分厚(hou)度(du)的(de)(de)(de)差別(bie)也越大(da)。所以方背(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的(de)(de)(de)形(xing)(xing)式(shi)(shi)一(yi)(yi)般只用(yong)(yong)于(yu)厚(hou)度(du)約為20mm的(de)(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)。圓(yuan)(yuan)背(bei)(bei)(bei)有(you)(you)脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。圓(yuan)(yuan)背(bei)(bei)(bei)有(you)(you)脊(ji)(ji)(ji)又稱(cheng)圓(yuan)(yuan)背(bei)(bei)(bei)真脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)(bei)(bei)部呈(cheng)圓(yuan)(yuan)弧形(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)高起有(you)(you)脊(ji)(ji)(ji)壟,堅硬挺(ting)實,這種書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)的(de)(de)(de)形(xing)(xing)式(shi)(shi)適合于(yu)裝(zhuang)(zhuang)訂較厚(hou)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji),裝(zhuang)(zhuang)上書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)后有(you)(you)明顯(xian)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽,翻閱方便。目(mu)前我國(guo)的(de)(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)多采用(yong)(yong)這種圓(yuan)(yuan)背(bei)(bei)(bei)有(you)(you)脊(ji)(ji)(ji)的(de)(de)(de)加(jia)工形(xing)(xing)式(shi)(shi)。圓(yuan)(yuan)背(bei)(bei)(bei)無(wu)脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)。圓(yuan)(yuan)背(bei)(bei)(bei)無(wu)脊(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)又稱(cheng)圓(yuan)(yuan)背(bei)(bei)(bei)假脊(ji)(ji)(ji),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)背(bei)(bei)(bei)部呈(cheng)圓(yuan)(yuan)弧形(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)與書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)的(de)(de)(de)厚(hou)度(du)相(xiang)同,堅實挺(ting)括,但(dan)沒有(you)(you)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)條脊(ji)(ji)(ji)。這種形(xing)(xing)式(shi)(shi)的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin),一(yi)(yi)般常與軟質書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)或塑料壓制(zhi)而(er)成的(de)(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)相(xiang)配套(tao)。中(zhong)心紙有(you)(you)些機(ji)器(qi)還沒有(you)(you)沖圓(yuan)(yuan)裝(zhuang)(zhuang)置(zhi),即將方背(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)先進行沖圓(yuan)(yuan)加(jia)工,作初步(bu)定(ding)型。先根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)厚(hou)度(du)和中(zhong)心紙幅面(mian)大(da)小(xiao)調定(ding)好夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)及扒(ba)圓(yuan)(yuan)輥(或沖圓(yuan)(yuan)裝(zhuang)(zhuang)置(zhi))的(de)(de)(de)規矩(ju),再使書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)進入夾書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)內(nei)并送到(dao)扒(ba)圓(yuan)(yuan)輥之間,將書(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)扒(ba)擠成一(yi)(yi)定(ding)圓(yuan)(yuan)勢。