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近年来,注塑、挤出、缠绕技术不断发展。印刷机胶辊的性能对整机有很大的影响,其工艺操作和生产质量非常严格,其许多产品已被列为精细产品类别,橡胶、塑料材料的选择和产品尺寸的精确控制是关键。橡胶辊的橡胶表面不允许有任何杂质、砂眼和气泡,不允许有疤痕、缺陷、脊线、裂缝和局部海绵软硬不同的现象。
WEICI,YINSHUAJIJIAOGUNZAIZHENGGESHENGCHANGUOCHENGZHONG,BIXUBAOCHIJUEDUIDEQINGJIEHEYISIBUGOUDEGONGZUO,CAINENGSHIXIANTONGYICAOZUO、JISHUBIAOZHUNHUA。XIANGSUYUJINSHUXINCAIDEZUHE、ZHANJIE、ZHUSU、LIUHUA、MOXUEDENGDOUSHIGAOJISHUGONGYI。
DUONIANLAI,JIAOGUNDESHENGCHANYOUYUCHANPINDEBUWENDINGXING、CHICUNGUIGEDEDUOYANGXING,SHIGONGYISHEBEIDEJIXIEHUA、ZIDONGHUACHENGWEIYIGENANDIAN,DAOMUQIANWEIZHI,DADUOSHUGONGRENRENGSHIJIYUSHOUDONGJIANDUANDANYUANSHISHENGCHANXIAN。JINNIANLAI,YIXIEDAXINGZHUANYECHANGJIAKAISHISHIXIANCONGXIANGJIAODAOCHENGXINGLIUHUAGONGYIDELIANXUSHENGCHAN,SHENGCHANXIAOLVTIGAOLEYIBEI,DADAGAISHANLEGONGZUOHUANJINGHELAODONGQIANGDU。
YI、JIAOZHANJIDEZHIBEI
DUIYUJIAOGUNLAISHUO,XIANGJIAODEHUNHESHIZUIGUANJIANDEHUANJIE。JIAOGUNZHONGSHIYONGDEXIANGJIAOCAILIAOCONGTIANRANXIANGJIAOHEHECHENGXIANGJIAODAOSHIDUOZHONGTESHUCAILIAO,XIANGJIAOHANLIANGWEI25% ~ 85%,TURANGYINGDU(0 ~ 90),FANWEIGUANG。YINCI,RUHESHIZHEIXIEHUAHEWUDEHUNHEJUNYUNCHENGWEIYIGEDAWENTI。CHUANTONGDEFANGFASHICAIYONGFENSUIJIHUNHEHEJIAGONGCHENGGEZHONGSEMULIDEXINGSHI。JINNIANLAI,YUELAIYUEDUODEQIYECAIYONGNIEHEHUNHEQIFENDUANHUNHESHENGCHANXIANGJIAOCAILIAO。
XIANGJIAOCAILIAOJUNYUNHUNHEHOU,XUYAOYONGXIANGJIAOGUOLVJIDUIXIANGJIAOJINXINGGUOLV,YIXIAOCHUXIANGJIAOCAILIAOZHONGDEZAZHI。RANHOUYONGYAYANJI、JICHUJI、FUMOJIDENGJIZHIZHICHENGWUQIPAOHEZAZHIDEBOMOHUOJIAODAI,GONGJIAOGUNCHENGXING。CHENGXINGQIAN,ZHEIXIEBOMO、JIAODAIHAIYAOJINXINGYANGEDEWAIGUANJIANCHA,XIANZHIHUOJIASHOUMING,BAOCHIBIAOMIANXINXIAN,FANGZHIZHANLIANHEJIYABIANXING。YOUYUJIAOGUNDABUFENWEIFEIMOSUCHANPIN,YIDANXIANGJIAOBIAOMIANYOUZAZHIHEQIPAO,LIUHUAHOUBIAOMIANYANMOSHIKENENGHUICHUXIANSHAYAN,DAOZHIZHENGGEJIAOGUNDEXIUFUCHAOGUOBIAOZHUN,SHENZHIBAOFEI。
二、成型
印刷机胶辊的成型主要粘贴在包覆橡胶的金属芯上,包括粘贴法、挤出法、成型法、注射法和注射法。目前,国内主要以机械或手工糊塑为主,国外大部分机械自动化已实现。大、中型胶辊基本上是通过仿形挤出生产的,主要是通过挤压薄膜的连续粘接成型或挤压橡胶带的连续缠绕成型。同时,在成型过程中采用微电脑自动控制其尺寸和形状的外观,有些还可用于挤出机的直角和异形挤出成型。
GAICHENGXINGFANGFABUJINKEYIJIANGDILAODONGQIANGDU,ERQIEKEYIXIAOCHUKENENGCHANSHENGDEQIPAO。WEILEFANGZHIXIANGJIAOGUNDELIUHUABIANXING,FANGZHIQIPAOHEHAIMIANDECHANSHENG,TEBIESHIDUIYUBAOFUFAXINGCHENGDEXIANGJIAOGUN,HAICAIYONGLEWAIROUYAFA。TONGCHANG,JIAOGUNDEWAIBIAOMIANYONGJICENGMIANBUHUONILONGBUBAOGUO,RANHOUYONGGANGSIHUOXIANWEISHENGGUDINGJIAYA。SUIRANZHEIYIJISHUYIJINGSHIXIANLEJIXIEHUA,DANYOUYUTUOJIAOHOUDEBENGDAILIUHUA,XINGCHENGLEYIGE“MANGCHANG”GONGYI,ZHIZAOGONGYIFUZA,ERQIEYOUYUBENGDAIBU、CHANRAOSHENGDESHIYONGSHIJIANJIWEIYOUXIAN,XIAOHAOHELANGFEIDA。
DUIYUXIAOXINGHEWEIXINGJIAOGUN,KECAIYONGSHOUGONGBUPIAN、JICHUTAO、ZHUSHE、ZHUSHEHEJIAOZHU。WEILETIGAOSHENGCHANXIAOLV,DUOCAIYONGMOSUFA,QIJINGDUYUANYUANGAOYUFEIMOSUFA。GUTIXIANGJIAODEZHUSHE、ZHUSHEHEYETIXIANGJIAODEJIAOZHU,YICHENGWEIZUIZHONGYAODESHENGCHANFANGSHI。
三、硫化
MUQIAN,DAZHONGXINGXIANGJIAOGUNSHILIUHUATONGRENGSHILIUHUATONG,SUIRANROUXINGJIAYAFANGSHIYIFASHENGBIANHUA,DANRENGWEIBAITUOFANZHONGDEWANGFANYUNSHULAODONGFUDAN。LIUHUAREYUANYOUZHENGQI、REFENGHERESHUISANZHONGJIAREFANGSHI,ZHULIURENGWEIZHENGQI。DUIYUYINJINSHUXINYUSHUIZHENGQIJIECHUERYOUTESHUYAOQIUDEJIAOGUN,CAIYONGJIANJIEZHENGQILIUHUAJIANGSHIJIANYANZHANG1~2BEI,ZHEISHIKONGXINTIEXINJIAOGUNCHANGYONGDEFANGFA。DUIYUBUNENGYONGLIUHUAGUANLIUHUADETESHUGUNTONG,YOUSHICAIYONGRESHUILIUHUA,DANSHUIWURANDECHULIXUYAOJIEJUE。
WEILEFANGZHIYOUYUDAOREXISHUDEBUTONGERYINQIDEXIANGJIAOYUJINSHUXINZHIJIANDEBUTONGSHOUSUOERCHANSHENGFENCENGXIANXIANG,LIUHUAYIBANCAIYONGHUANMANJIAREHEZENGYADEFANGSHIJINXING,LIUHUASHIJIANBIXIANGJIAOBENSHENSUOXUDELIUHUASHIJIANYAOZHANGDEDUO。WEILESHIXIANNEIWAILIUHUAJUNYUN,SHIJINSHUXINYUXIANGJIAODEDAOREXINGXIANGSI,GUANNEIDESHIJIANWANGWANGZHANGDA24~48h,YUEWEIXIANGJIAOZHENGCHANGLIUHUASHIJIANDE30~50BEI。
XIAOWEIJIAOGUNYIJIBENBEIPINGBANLIUHUAJILIUHUAQUDAI,CHEDIGAIBIANLECHUANTONGDEJIAOGUNLIUHUAFANGSHI。JINNIANLAI,ZHUSUJICHENGXING,ZHENKONGLIUHUA,BINGNENGZIDONGKAIBIMOJU,JIXIEHUAHEZIDONGHUACHENGDUDADATIGAO,QIEGUHUASHIJIANDUAN,SHENGCHANXIAOLVGAO,CHANPINZHILIANGHAO。TEBIESHIDANGXIANGJIAOZHUSHECHENGXINGLIUHUAJISHIYONGSHI,JIANGCHENGXINGHELIUHUALIANGZHONGGONGYIHEERWEIYI,KEYIJIANGSHIJIANSUODUANDAO2~4FENZHONG,ZHEIYICHENGWEIJIAOGUNSHENGCHANFAZHANDEYIGEZHONGYAOFANGXIANG。
MUQIANYIJUANZHIDANXINGTI(PUR)WEIDAIBIAODEYETIXIANGJIAOZAIJIAOGUNSHENGCHANZHONGFAZHANXUNSU,KAIPILEYIZHONGXINDECAILIAOHEGONGYITUJING。CAIYONGJIAOZHUFANGSHI,SHENGQULEFUZADECHENGXINGGONGXUHEFANZHONGDELIUHUASHEBEI,DADAJIANHUALEJIAOGUNDESHENGCHANGONGYI。RANER,ZUIDADEWENTISHIXUYAOSHIYONGMOJU,DUIYUDAXINGJIAOGUN,YOUQISHIDUIYUDANGECHANPIN,DAOZHISHENGCHANCHENGBENDAFUZENGJIA,TUIGUANGSHIYONGCUNZAIHENDADEKUNNAN。
WEILEJIEJUEZHEIYIWENTI,JINNIANLAICHUXIANLEYIZHONGBUXUMOJUJIAGONGDEPURJIAOGUNXINJISHU。GAIGONGYICAIYONGJUYANGBINGXIMIDUOYUANCHUN(TDIOL)、JUSIQINGFUNANMIDUOYUANCHUN(PIMG)HEERBENJIJIAWANERYIQINGSUANZHI(MDl),BUJINGONGYILIUCHENGDUAN、JIXIEHUACHENGDUGAO、ZIDONGHUACHENGDUGAO,ERQIEJIESHENGLEDALIANGMOJU。KEGENJUXUYAOZIYOUSHENGCHANGEZHONGGUIGEHECHICUNDEJIAOGUN,DADAJIANGDILECHENGBEN,YICHENGWEIPURJIAOGUNDEZHUYAOFAZHANFANGXIANG。
CIWAI,YETAIGUIXIANGJIAOZAIBANGONGZIDONGHUASHEBEIZHIZAOZHONGDEYINGYONGZAISHIJIEGEDIDEWEIXINGJINGMIJIAOGUNSHANGYEDEDAOLEXUNSUDEFAZHAN。TAMENFENWEIJIAREGUHUA(LTV)HESHIWENGUHUA(RTV),SHIYONGDESHEBEIYEBUTONGYUSHANGSHUPUR,XINGCHENGLELINGYIZHONGZHUJIANXINGSHI。ZAIZHEILI,ZUIGUANJIANDEWENTISHIRUHEKONGZHIHEJIANGDIJIAOZHANJIDEZHANDU,CONGERBAOCHIYIDINGDEYALIHEJICHUSUDU。
四、表面处理
表面处理是印刷机胶辊生产中最后也是最关键的工序。目前,磨削方法有多种,但主要是机械车削和抛光,所以磨削方法、磨削工具和磨料都是非常重要的,很多企业视其为一项技术诀窍,保持对外不宣而战的态度。其中最大的问题之一是如何解决橡胶在磨削过程中的热现象,保持磨削后表面的最佳挠度。
JIAOGUNCHULEYAODUIBIAOMIANJINXINGMOXUEJIAGONGWAI,HAIYAOCHEDIQINGXI、QUCHUBIAOMIANFUZHEDEFENMO,DUIBIAOMIANCHULIDEJINYIBUPAOGUANGYAOQIUJIAOGAO,HAIYOUXIEZAIBIAOMIANTUZHUANGSHUZHIQI、RUJIAOQI、CIFEN、JINGDIANFENDENG。TONGSHI,HAIKEYIDIANDUYICENGSUOXUDEDUCENG,HUOJINXINGHUAXUEYANGHUACHULI,YIDADAONAIGUANG、NAIFUSHI、CIHUAHEDAODIANDENGGONGNENG。
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