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你知道裹背條有什么用嗎

信息來源于:互聯網 發布于:2021-08-13

什么是裹(guo)背條,裹(guo)背條是通過皮殼機等機械用于精裝(zhuang)書(shu)(shu)(shu)本(ben)的(de)書(shu)(shu)(shu)脊(ji)部分,使書(shu)(shu)(shu)貼(tie)連接(jie)得更加(jia)牢固。書(shu)(shu)(shu)脊(ji)制作弧長的(de)計算(suan),本(ben)器(qi)規(gui)(gui)格依書(shu)(shu)(shu)芯(xin)幅面大小進(jin)行調定,以能將書(shu)(shu)(shu)芯(xin)平(ping)穩地送進(jin)夾(jia)(jia)書(shu)(shu)(shu)裝(zhuang)置內(nei)為標準。入本(ben)后的(de)書(shu)(shu)(shu)冊不斜歪,四角垂直地頂齊在夾(jia)(jia)書(shu)(shu)(shu)裝(zhuang)置的(de)靠板(ban)、側規(gui)(gui)內(nei)。裁切(qie)尺(chi)寸正確一(yi)致,其(qi)質量要求與規(gui)(gui)格誤(wu)差與一(yi)般(ban)切(qie)書(shu)(shu)(shu)相同。

夾書(shu)(shu)簽絲(si)(si)帶(dai)裝置安放在切(qie)(qie)書(shu)(shu)機與扒圓(yuan)起脊機之間。即將(jiang)切(qie)(qie)完的書(shu)(shu)芯(xin),用分(fen)本(ben)器從中間分(fen)開,再(zai)由輸放絲(si)(si)帶(dai)器將(jiang)絲(si)(si)帶(dai)夾入中心紙書(shu)(shu)芯(xin)的中間靠訂縫一邊。絲(si)(si)帶(dai)夾在書(shu)(shu)芯(xin)內兩端(duan)各留出粘邊和使用的余地,再(zai)經切(qie)(qie)刀(dao)(剪(jian)刀(dao)式)將(jiang)其剪(jian)斷。

剪斷(duan)后(hou)(hou)(hou)(hou)的(de)(de)絲(si)(si)帶(dai),裹背條芯部分(fen)被下面膠輥著膠、壓實完成夾書(shu)(shu)(shu)簽絲(si)(si)帶(dai)過(guo)程。書(shu)(shu)(shu)簽絲(si)(si)帶(dai)的(de)(de)長度(du)(du)與一(yi)般手工加(jia)(jia)(jia)工長度(du)(du)基本相同,可(ke)依(yi)書(shu)(shu)(shu)冊幅面長度(du)(du)調定。扒(ba)(ba)圓(yuan)(yuan)(yuan)起脊(ji)操(cao)(cao)作及要求。書(shu)(shu)(shu)芯經裁切、夾粘絲(si)(si)帶(dai)(或(huo)不夾粘絲(si)(si)帶(dai))后(hou)(hou)(hou)(hou),繼(ji)續傳送(song)(或(huo)翻轉變(bian)位(wei))并做(zuo)90°翻轉,使(shi)(shi)平(ping)放書(shu)(shu)(shu)芯變(bian)為(wei)(wei)后(hou)(hou)(hou)(hou)背朝上(shang)(或(huo)朝下)而進入扒(ba)(ba)圓(yuan)(yuan)(yuan)起脊(ji)機(ji)。扒(ba)(ba)圓(yuan)(yuan)(yuan)起脊(ji)機(ji)的(de)(de)加(jia)(jia)(jia)工,其(qi)操(cao)(cao)作分(fen)為(wei)(wei)兩(liang)步,但(dan)機(ji)器的(de)(de)結構是連在(zai)(zai)一(yi)起的(de)(de),均是先扒(ba)(ba)圓(yuan)(yuan)(yuan)后(hou)(hou)(hou)(hou)起脊(ji)。扒(ba)(ba)圓(yuan)(yuan)(yuan)。扒(ba)(ba)圓(yuan)(yuan)(yuan)起脊(ji)機(ji)在(zai)(zai)扒(ba)(ba)圓(yuan)(yuan)(yuan)時,由一(yi)組(或(huo)一(yi)對(dui))圓(yuan)(yuan)(yuan)輥,將書(shu)(shu)(shu)芯壓緊后(hou)(hou)(hou)(hou)作相對(dui)旋轉動作),使(shi)(shi)書(shu)(shu)(shu)背扒(ba)(ba)成適當規格圓(yuan)(yuan)(yuan)勢,加(jia)(jia)(jia)工成圓(yuan)(yuan)(yuan)背書(shu)(shu)(shu)芯。書(shu)(shu)(shu)芯書(shu)(shu)(shu)背的(de)(de)形(xing)狀分(fen)為(wei)(wei)圓(yuan)(yuan)(yuan)背有脊(ji)、圓(yuan)(yuan)(yuan)背無脊(ji)和方背(或(huo)稱平(ping)背)三種。平(ping)裝裹背條書(shu)(shu)(shu)刊的(de)(de)書(shu)(shu)(shu)脊(ji)不高出書(shu)(shu)(shu)芯平(ping)面,而精(jing)裝書(shu)(shu)(shu)刊的(de)(de)書(shu)(shu)(shu)脊(ji)一(yi)般要高出書(shu)(shu)(shu)芯的(de)(de)平(ping)面。書(shu)(shu)(shu)脊(ji)分(fen)為(wei)(wei)真(zhen)脊(ji)和假脊(ji)。

真脊是(shi)(shi)利用書(shu)(shu)(shu)(shu)(shu)背(bei)上(shang)下(xia)兩邊變(bian)形的弧度高(gao)出(chu)(chu)書(shu)(shu)(shu)(shu)(shu)芯(xin)平(ping)(ping)面;假脊則是(shi)(shi)利用紙板(ban)(ban)鑲(xiang)在書(shu)(shu)(shu)(shu)(shu)背(bei)后形成的書(shu)(shu)(shu)(shu)(shu)脊,書(shu)(shu)(shu)(shu)(shu)脊的脊高(gao)等于封面紙板(ban)(ban)的厚度。方背(bei)書(shu)(shu)(shu)(shu)(shu)芯(xin)。是(shi)(shi)指書(shu)(shu)(shu)(shu)(shu)芯(xin)的書(shu)(shu)(shu)(shu)(shu)背(bei)平(ping)(ping)直方正。書(shu)(shu)(shu)(shu)(shu)背(bei)不突出(chu)(chu),與(yu)平(ping)(ping)裝書(shu)(shu)(shu)(shu)(shu)刊的書(shu)(shu)(shu)(shu)(shu)背(bei)基(ji)本相似。

背(bei)(bei)(bei)與(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)上下環襯互成直角,由于(yu)精裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)是用鎖線訂(ding)(ding)訂(ding)(ding)連,每一個書(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖的(de)(de)訂(ding)(ding)口折(zhe)縫里面都用線串(chuan)過,因此,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)背(bei)(bei)(bei)脊(ji)(ji)(ji)(ji)(ji)比(bi)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)帖其(qi)(qi)它部(bu)分(fen)要厚(hou)一些(xie)(xie),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji)的(de)(de)帖數越(yue)多,書(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)(ji)(ji)背(bei)(bei)(bei)與(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)其(qi)(qi)它部(bu)分(fen)厚(hou)度(du)(du)的(de)(de)差別也越(yue)大(da)。所以方背(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)的(de)(de)形(xing)(xing)(xing)式(shi)(shi)一般(ban)只用于(yu)厚(hou)度(du)(du)約為20mm的(de)(de)精裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)有(you)(you)(you)脊(ji)(ji)(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)有(you)(you)(you)脊(ji)(ji)(ji)(ji)(ji)又稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)真脊(ji)(ji)(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)。書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)背(bei)(bei)(bei)部(bu)呈(cheng)圓(yuan)(yuan)(yuan)弧(hu)形(xing)(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)脊(ji)(ji)(ji)(ji)(ji)高(gao)起有(you)(you)(you)脊(ji)(ji)(ji)(ji)(ji)壟,堅(jian)硬挺(ting)實(shi),這種書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)的(de)(de)形(xing)(xing)(xing)式(shi)(shi)適合于(yu)裝(zhuang)訂(ding)(ding)較(jiao)厚(hou)的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji),裝(zhuang)上書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)(ke)后有(you)(you)(you)明顯的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)槽(cao),翻閱方便。目前我國的(de)(de)精裝(zhuang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)籍(ji)(ji)多采用這種圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)有(you)(you)(you)脊(ji)(ji)(ji)(ji)(ji)的(de)(de)加工(gong)形(xing)(xing)(xing)式(shi)(shi)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)無(wu)脊(ji)(ji)(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)。圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)無(wu)脊(ji)(ji)(ji)(ji)(ji)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)又稱圓(yuan)(yuan)(yuan)背(bei)(bei)(bei)假(jia)脊(ji)(ji)(ji)(ji)(ji),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)背(bei)(bei)(bei)部(bu)呈(cheng)圓(yuan)(yuan)(yuan)弧(hu)形(xing)(xing)(xing),書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)與(yu)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)的(de)(de)厚(hou)度(du)(du)相同(tong),堅(jian)實(shi)挺(ting)括,但沒有(you)(you)(you)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)裹背(bei)(bei)(bei)條脊(ji)(ji)(ji)(ji)(ji)。這種形(xing)(xing)(xing)式(shi)(shi)的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin),一般(ban)常(chang)與(yu)軟質(zhi)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)(ke)或塑料壓制而成的(de)(de)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)殼(ke)(ke)相配套。中(zhong)心(xin)紙有(you)(you)(you)些(xie)(xie)機(ji)器(qi)還沒有(you)(you)(you)沖(chong)圓(yuan)(yuan)(yuan)裝(zhuang)置(zhi),即將(jiang)方背(bei)(bei)(bei)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)先進(jin)行沖(chong)圓(yuan)(yuan)(yuan)加工(gong),作初(chu)步定型。先根據書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)厚(hou)度(du)(du)和中(zhong)心(xin)紙幅(fu)面大(da)小調定好夾(jia)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)及扒(ba)圓(yuan)(yuan)(yuan)輥(或沖(chong)圓(yuan)(yuan)(yuan)裝(zhuang)置(zhi))的(de)(de)規矩,再使書(shu)(shu)(shu)(shu)(shu)(shu)(shu)芯(xin)進(jin)入夾(jia)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)器(qi)內(nei)并送到扒(ba)圓(yuan)(yuan)(yuan)輥之間,將(jiang)書(shu)(shu)(shu)(shu)(shu)(shu)(shu)背(bei)(bei)(bei)扒(ba)擠成一定圓(yuan)(yuan)(yuan)勢。

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