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你知道裹背條有什么用嗎

信息來源(yuan)于:互聯網 發布于:2021-08-13

什么是裹(guo)背條,裹(guo)背條是通(tong)過(guo)皮殼(ke)機等機械用于精裝(zhuang)(zhuang)書(shu)本(ben)的書(shu)脊(ji)部分,使書(shu)貼(tie)連接得更加牢固(gu)。書(shu)脊(ji)制(zhi)作弧長的計算(suan),本(ben)器(qi)規(gui)格(ge)(ge)依書(shu)芯幅面(mian)大小進行(xing)調(diao)定,以能將書(shu)芯平穩地送進夾(jia)書(shu)裝(zhuang)(zhuang)置(zhi)內為標(biao)準。入(ru)本(ben)后的書(shu)冊(ce)不斜歪(wai),四角垂直地頂(ding)齊在夾(jia)書(shu)裝(zhuang)(zhuang)置(zhi)的靠板(ban)、側規(gui)內。裁(cai)切(qie)尺(chi)寸正確一致,其(qi)質量(liang)要(yao)求與規(gui)格(ge)(ge)誤差與一般切(qie)書(shu)相同。

夾(jia)書(shu)(shu)簽絲(si)帶裝(zhuang)置安放在(zai)切(qie)書(shu)(shu)機(ji)與扒圓起(qi)脊(ji)機(ji)之(zhi)間(jian)。即將(jiang)切(qie)完的(de)書(shu)(shu)芯(xin),用(yong)分本器從中(zhong)間(jian)分開,再由輸放絲(si)帶器將(jiang)絲(si)帶夾(jia)入(ru)中(zhong)心紙(zhi)書(shu)(shu)芯(xin)的(de)中(zhong)間(jian)靠訂(ding)縫一邊(bian)(bian)。絲(si)帶夾(jia)在(zai)書(shu)(shu)芯(xin)內兩(liang)端各留出粘邊(bian)(bian)和(he)使用(yong)的(de)余地(di),再經切(qie)刀(剪刀式)將(jiang)其(qi)剪斷。

剪斷后(hou)的絲(si)帶,裹背(bei)條(tiao)芯部分(fen)被下面(mian)(mian)膠(jiao)輥(gun)著(zhu)膠(jiao)、壓實完成夾書(shu)(shu)(shu)簽(qian)絲(si)帶過程(cheng)。書(shu)(shu)(shu)簽(qian)絲(si)帶的長(chang)度(du)(du)與(yu)一般手工加工長(chang)度(du)(du)基本相同,可依書(shu)(shu)(shu)冊幅面(mian)(mian)長(chang)度(du)(du)調定。扒圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)操作(zuo)及要求(qiu)。書(shu)(shu)(shu)芯經裁切、夾粘(zhan)絲(si)帶(或(huo)不夾粘(zhan)絲(si)帶)后(hou),繼續傳送(或(huo)翻(fan)轉(zhuan)(zhuan)變位)并做90°翻(fan)轉(zhuan)(zhuan),使平放書(shu)(shu)(shu)芯變為后(hou)背(bei)朝(chao)(chao)上(或(huo)朝(chao)(chao)下)而進入扒圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)機(ji)。扒圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)機(ji)的加工,其(qi)操作(zuo)分(fen)為兩步,但(dan)機(ji)器(qi)的結構是(shi)(shi)連(lian)在一起(qi)的,均是(shi)(shi)先扒圓(yuan)(yuan)(yuan)后(hou)起(qi)脊(ji)(ji)。扒圓(yuan)(yuan)(yuan)。扒圓(yuan)(yuan)(yuan)起(qi)脊(ji)(ji)機(ji)在扒圓(yuan)(yuan)(yuan)時,由一組(zu)(或(huo)一對(dui))圓(yuan)(yuan)(yuan)輥(gun),將書(shu)(shu)(shu)芯壓緊后(hou)作(zuo)相對(dui)旋轉(zhuan)(zhuan)動作(zuo)),使書(shu)(shu)(shu)背(bei)扒成適當規格(ge)圓(yuan)(yuan)(yuan)勢,加工成圓(yuan)(yuan)(yuan)背(bei)書(shu)(shu)(shu)芯。書(shu)(shu)(shu)芯書(shu)(shu)(shu)背(bei)的形狀分(fen)為圓(yuan)(yuan)(yuan)背(bei)有脊(ji)(ji)、圓(yuan)(yuan)(yuan)背(bei)無脊(ji)(ji)和方背(bei)(或(huo)稱平背(bei))三種。平裝(zhuang)裹背(bei)條(tiao)書(shu)(shu)(shu)刊的書(shu)(shu)(shu)脊(ji)(ji)不高出書(shu)(shu)(shu)芯平面(mian)(mian),而精裝(zhuang)書(shu)(shu)(shu)刊的書(shu)(shu)(shu)脊(ji)(ji)一般要高出書(shu)(shu)(shu)芯的平面(mian)(mian)。書(shu)(shu)(shu)脊(ji)(ji)分(fen)為真脊(ji)(ji)和假脊(ji)(ji)。

真脊是利用書(shu)背上(shang)下兩邊變形(xing)的(de)(de)弧度高出(chu)書(shu)芯(xin)平(ping)面;假脊則(ze)是利用紙板鑲(xiang)在書(shu)背后(hou)形(xing)成的(de)(de)書(shu)脊,書(shu)脊的(de)(de)脊高等于(yu)封面紙板的(de)(de)厚度。方背書(shu)芯(xin)。是指書(shu)芯(xin)的(de)(de)書(shu)背平(ping)直方正。書(shu)背不突(tu)出(chu),與(yu)平(ping)裝書(shu)刊的(de)(de)書(shu)背基本(ben)相似(si)。

背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)上(shang)下環襯(chen)互(hu)成直角,由(you)于(yu)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)是用鎖線訂(ding)(ding)訂(ding)(ding)連,每一(yi)個書(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)的(de)(de)訂(ding)(ding)口折縫里面(mian)都用線串過,因此,書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)背(bei)(bei)(bei)(bei)脊(ji)比(bi)書(shu)(shu)(shu)(shu)(shu)(shu)帖(tie)其它部(bu)分(fen)要厚(hou)(hou)一(yi)些(xie)(xie),書(shu)(shu)(shu)(shu)(shu)(shu)籍的(de)(de)帖(tie)數越多,書(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)其它部(bu)分(fen)厚(hou)(hou)度(du)的(de)(de)差別也越大。所以方背(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)形(xing)(xing)(xing)式(shi)(shi)一(yi)般只(zhi)用于(yu)厚(hou)(hou)度(du)約(yue)為20mm的(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)籍。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有(you)(you)(you)脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有(you)(you)(you)脊(ji)又稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)真脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)背(bei)(bei)(bei)(bei)部(bu)呈(cheng)圓(yuan)(yuan)(yuan)弧(hu)形(xing)(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)高起有(you)(you)(you)脊(ji)壟,堅(jian)硬(ying)挺(ting)實,這(zhe)(zhe)種書(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)的(de)(de)形(xing)(xing)(xing)式(shi)(shi)適合于(yu)裝(zhuang)(zhuang)訂(ding)(ding)較厚(hou)(hou)的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)籍,裝(zhuang)(zhuang)上(shang)書(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)后有(you)(you)(you)明(ming)顯的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)槽,翻(fan)閱方便。目前我國的(de)(de)精裝(zhuang)(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)籍多采用這(zhe)(zhe)種圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)有(you)(you)(you)脊(ji)的(de)(de)加(jia)工形(xing)(xing)(xing)式(shi)(shi)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)無(wu)脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)無(wu)脊(ji)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)又稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)(bei)假(jia)脊(ji),書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)背(bei)(bei)(bei)(bei)部(bu)呈(cheng)圓(yuan)(yuan)(yuan)弧(hu)形(xing)(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)與(yu)(yu)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)的(de)(de)厚(hou)(hou)度(du)相(xiang)同(tong),堅(jian)實挺(ting)括,但(dan)沒有(you)(you)(you)書(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)(bei)條脊(ji)。這(zhe)(zhe)種形(xing)(xing)(xing)式(shi)(shi)的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin),一(yi)般常與(yu)(yu)軟質(zhi)書(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)或塑料壓制而成的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)相(xiang)配套。中(zhong)(zhong)心紙有(you)(you)(you)些(xie)(xie)機器(qi)還(huan)沒有(you)(you)(you)沖(chong)圓(yuan)(yuan)(yuan)裝(zhuang)(zhuang)置(zhi),即(ji)將方背(bei)(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)先(xian)進行沖(chong)圓(yuan)(yuan)(yuan)加(jia)工,作(zuo)初步定(ding)型(xing)。先(xian)根據書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)厚(hou)(hou)度(du)和中(zhong)(zhong)心紙幅面(mian)大小調定(ding)好夾書(shu)(shu)(shu)(shu)(shu)(shu)器(qi)及扒圓(yuan)(yuan)(yuan)輥(或沖(chong)圓(yuan)(yuan)(yuan)裝(zhuang)(zhuang)置(zhi))的(de)(de)規矩,再使(shi)書(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)(xin)(xin)(xin)(xin)(xin)(xin)進入夾書(shu)(shu)(shu)(shu)(shu)(shu)器(qi)內并送到(dao)扒圓(yuan)(yuan)(yuan)輥之(zhi)間,將書(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)(bei)扒擠成一(yi)定(ding)圓(yuan)(yuan)(yuan)勢。

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