在焊錫膏印刷過程中,印刷機是達到所希望的印刷品質的關鍵。絲印機主要分為兩種:實shi驗yan室shi與yu生sheng產chan。每mei個ge類lei型xing都dou有you明ming細xi的de分fen類lei,因yin為wei每mei個ge公gong司si希xi望wang從cong實shi驗yan室shi與yu生sheng產chan類lei型xing的de印yin刷shua機ji得de到dao不bu同tong的de性xing能neng水shui平ping。例li如ru,一yi個ge公gong司si的de研yan究jiu與yu開kai發fa部bu門men使shi用yong實shi驗yan室shi類lei型xing製zhi作zuo產chan品pin原yuan型xing,而er生sheng產chan則ze會hui用yong另ling一yi種zhong類lei型xing。還hai有you,生sheng產chan要yao求qiu可ke能neng變bian化hua很hen大da,取qu決jue於yu產chan量liang。因yin為wei激ji光guang切qie割ge設she備bei是shi不bu可ke能neng分fen類lei的de,最zui好hao是shi選xuan擇ze與yu所suo希xi望wang的de應ying用yong相xiang適shi應ying的de絲si印yin機ji。
在手工或半自動印刷機中,焊錫膏是手工地放在模板/絲(si)網(wang)上(shang),這(zhe)時(shi)印(yin)刷(shua)刮(gua)板(ban)處(chu)於(yu)模(mo)板(ban)的(de)另(ling)一(yi)端(duan)。在(zai)自(zi)動(dong)印(yin)刷(shua)機(ji)中(zhong),焊(han)錫(xi)膏(gao)是(shi)自(zi)動(dong)分(fen)配(pei)的(de)。在(zai)印(yin)刷(shua)過(guo)程(cheng)中(zhong),印(yin)刷(shua)刮(gua)板(ban)向(xiang)下(xia)壓(ya)在(zai)模(mo)板(ban)上(shang),使(shi)模(mo)板(ban)底(di)麵(mian)接(jie)觸(chu)到(dao)電(dian)路(lu)板(ban)頂(ding)麵(mian)。當(dang)刮(gua)板(ban)走(zou)過(guo)所(suo)腐(fu)蝕(shi)的(de)整(zheng)個(ge)圖(tu)形(xing)區(qu)域(yu)長(chang)度(du)時(shi),焊(han)錫(xi)膏(gao)通(tong)過(guo)模(mo)板(ban)絲(si)網(wang)上(shang)的(de)開(kai)孔(kong)印(yin)刷(shua)到(dao)焊(han)盤(pan)上(shang)。
zaihanxigaoyijingchenjizhihou,siwangzaiguabanzhihoumashangtuokai,huidaoyuandi。zhegejiangehuotuokaijulishishebeishejisuodingde。tuokaijuliyuguabanyalishilianggedadaolianghaoyinshuapinzhideyushebeiyouguandezhongyaobianliang。ruguomeiyoutuokai,zhegeguochengjiaojiechuyinshua。dangshiyongquanjinshumobanheguadaoshi,shiyongjiechuyinshua。feijiechuyinshuayongyurouxingdejinshusiwang。
刮板類型,刮板的磨損、壓(ya)力(li)和(he)硬(ying)度(du)決(jue)定(ding)印(yin)刷(shua)質(zhi)量(liang),應(ying)該(gai)仔(zai)細(xi)監(jian)測(ce)。對(dui)可(ke)接(jie)受(shou)的(de)印(yin)刷(shua)品(pin)質(zhi),刮(gua)板(ban)邊(bian)緣(yuan)應(ying)該(gai)鋒(feng)利(li)和(he)直(zhi)線(xian)。刮(gua)板(ban)壓(ya)力(li)低(di)造(zao)成(cheng)遺(yi)漏(lou)和(he)粗(cu)糙(cao)的(de)邊(bian)緣(yuan),而(er)刮(gua)板(ban)壓(ya)力(li)高(gao)或(huo)很(hen)軟(ruan)的(de)刮(gua)板(ban)將(jiang)引(yin)起(qi)斑(ban)點(dian)狀(zhuang)的(de)印(yin)刷(shua),甚(shen)至(zhi)可(ke)能(neng)損(sun)壞(huai)刮(gua)板(ban)和(he)模(mo)板(ban)或(huo)絲(si)網(wang)。過(guo)高(gao)的(de)壓(ya)力(li)也(ye)傾(qing)向(xiang)於(yu)從(cong)寬(kuan)的(de)開(kai)孔(kong)中(zhong)挖(wa)出(chu)焊(han)錫(xi)膏(gao),引(yin)起(qi)焊(han)錫(xi)圓(yuan)角(jiao)不(bu)夠(gou)。
信息來源:長江有色網


