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模切常见质量问题解析
发布时间:2013-01-24 丨 阅读次数:1544

  1. 模切精度不高

  JINGDUBUGAODEYUANYINYOUMOQIEBANBENSHENDEWENTI,YEYOULAIZIYINSHUAPINDEWENTI。SHOUGONGZHIZUODEMOQIEBAN,WUCHAJIAODA;MOQIEYAHENYUYINSHUADEZUOYEHUANJINGBUTONGHUIZAOCHENGZHIZHANGBIANXING,DAOZHIMOQIEYAHENWEIZHIBUZHUN,YOUQISHIJINGGUOSHANGGUANG、FUMODEZHIZHANGBIANXINGGENGYANZHONG,YINGXIANGMOQIEJINGDU。

  JIEJUEBANFA:XUANZEXIANJINDEZHIBANFANGSHI,TIGAOMOQIEBANDEJINGDU:JINLIANGBAOZHENGMOQIEYAHENYUYINSHUAZAITONGYIZUOYEHUANJINGXIAJINXINGHUOBAOZHENGZUOYEHUANJINGDETONGYIXING(JIYOUXIANGTONGDEWENDU、SHIDUDENG);DUISHANGGUANGHEFUMODEYINZHANGYAOJINXINGMOQIEYUCHULI,JINLIANGJIANSHAOZHIZHANGBIANXINGDUIMOQIEJINGDUDEYINGXIANG。

  2. 模切压痕产生爆线和暗线

  “BAOXIAN”SHIZHIYOUYUMOQIEYAHENYALIGUODA,CHAOGUOLEZHIBANXIANWEIDECHENGSHOUJIXIAN,SHIZHIBANXIANWEIDUANLIEHUOBUFENDUANLIE;“ANXIAN”SHIZHIBUYINGYOUDEYAHENXIAN。YIBANSHIYOUMOQIEBANHEYAHENGANGXIANXUANZEBUHESHI,MOQIEYALIDIAOJIEBUDANG,ZHIZHANGZHILIANGCHA,ZHIZHANGDEXIANWEIFANGXIANGYUMOQIEBANPAIDAOFANGXIANGBUYIZHIHUOZHIZHANGDEHANSHUILIANGDIDAOZHIZHIZHANGROURENXINGXIAJIANGSUOYINQIDE。

  JIEJUEFANGFA:XUANZEHESHIDEMOQIEBAN;SHIDANGDIAOJIEMOQIEJIDEYALI;ZAIMOQIEZHIQIANXIANBAYAOMOQIEDEZHIZHANGFANGZHIZAICHEJIANLIYIDUANSHIJIAN;JIADACHEJIANHUANJINGDESHIDU。

  LINGWAIHAIYOUYIZHONGTESHUQINGKUANG,JIUSHIZAIMOQIEYINGHEYANBAOXIAOHESHI,YOUYUHENDUOWEIZHIDEYAHENXIANZHIJIANJULIHENJIN,RUGUOANZHENGCHANGQINGKUANGPEIZHIYAHENGANGXIANDEGAODU,MOYASHIDUIZHIZHANGDELALIGUODA,YEHUIZAOCHENGBAOXIAN。YINCI,YINGSHEFABADUIZHIZHANGCHANSHENGDELALIJIANGDAOZUIXIAO。FANGFAYOULIANGGE:YISHIJIANGDIYAHENGANGXIANDEGAODU;ERSHIJIANSHAOYAHENDIMOTIAODEHOUDU,LIANGZHEBUNENGTONGSHISHIYONG,FOUZEQIBUDAOHENHAODEYAHENXIAOGUO。JIAOHAODEFANGFASHIJIANGDIYAHENGANGXIANDEGAODU,JIANGDIDEGAODUTONGCHANGWEI0.1~0.2mm。GENJUZHIZHANGHOUDUQUEDINGJUTIJIANGDIDUOSHAO,DINGLIANGZAI350g/m2YISHANGDEZHIZHANGXUJIANGDI0.2mm,350g/m2YIXIADEZHIZHANGJIANGDI0.1mmWEIYI。

  3. 压痕线跑位,不饱满

  YAHENGANGXIANZAIMOQIEYALIDEZUOYONGXIACHUXIANNIUDONGHUIDAOZHIYAHENXIANPAOWEI;MOQIEYALIBUZUHUIDAOZHIYAHENBUBAOMAN。FENBIECAIYONGGENGHUANMOQIEBANHEJIADAMOQIEYALIDEFANGFAKEGAISHANCIWENTI。

  4. 模切起毛,起尘

  ZAIMOQIESHI,JINGCHANGHUICHUXIANMOQIECHANPINQIEBIANBUGUANGJIE、QIMAODEXIANXIANG,TEBIESHIYIXIELIYAHENXIANJIAOJINDEQIEBIANCHUGENGSHIYANZHONG。ZHEISHIYOUYUZAIMOQIEHEYASHI,MOQIEBANSHANGDEJIAOTIAO、YAHENGANGXIANDUIZHIZHANGCHANSHENGLELALI,ZHIZHANGZAIWEIBEIWANQUANQIECHUANSHIBEICHANSHENGDELALILADUANCHUXIANLEMAOBIAN。

  JIEJUEZHEIGEWENTISHOUXIANYAOGENJUZHIZHANGXUANYONGBUTONGLEIXINGDEMOQIEDAO。MOQIEDAOBAOKUOZHIWENDAOHEHENGWENDAO,LIANGZHONGWENLUDEDAOFENGYOUYOUGAOAIZHIFEN。DAOFENGXINGCHENGDEWENLUHEGAOAIBUTONG,ZHIJIEGUANXIDAOBUTONGLEI、BIEZHIZHANGDEMOQIEZHILIANGHEMOQIEDAODESHIYONGSHOUMING。ZAIBIMIANZHIMAOFANGMIAN,ZHIWENDAOBIHENGWENDAOHAO;ZAISHIYONGSHOUMINGSHANG,AIFENGDAOBIGAOFENGDAOHAO。ZAIMOQIEFUMOKAZHISHI,YINGXUANYONGZHIWENGAOFENGDAO,QIEYAOQIUDAOFENGSHIMOZHIDE,ZUIHAOBUYAOCAIYONGYAAOTUYICICHENGXINGGONGYI,FOUZEYALITAIDAHUIDUIMOQIECHANSHENGHENDAYINGKOUXIANG。ERZAIJIAGONGPUTONGKAZHISHIYIXUANYONGAIFENGDAO,BINGGENJUZHIZHANGXIANWEIZHILIANGLAIJUEDINGDAOFENGDEWENLU。DANGMOQIEXIANWEIJIAOCHAHUOJIAOCUDEZHIZHANGSHIXUANYONGZHIWENDAO,XIANWEIZHILIANGJIAOHAOSHIKEXUANYONGHENGWENDAO,YITIGAODAODESHIYONGSHOUMING,

  HAIKEYIZAILIYAHENGANGXIANJIAOJINDEMOQIEDAOCHUTIE60°DEGONGXINGJIAOTIAO,JIANXIAOMOQIEHEYASHIJUMOQIEDAOJINDEYAHENGANGXIANDUIZHIZHANGDELALI。RUMOQIEDINGLIANGWEI300g/m2DEZHIZHANGSHITONGCHANGXUANYONG0.4mmx 1.3mmDEYAHENXIAN、23.4mmGAODEYAHENGANGXIAN,RUYUCIGUZHANGZEKEYIGAIYONG0.4mmx 1.2mmDEYAHENXIAN。23.3mmGAODEJIANTOUYAHENGANGXIAN。ZHEIYANGYILAI,JIANXIAOLEMOQIEHEYASHIDUIZHIZHANGDELALI,QIMAOWENTIJIBENKEYIDEDAOJIEJUE。

  5. 模切“糊版”

  MOQIE“HUBAN”SHIZHIZHIZHANGZHANLIANZAIMOQIEBANSHANG。CHANSHENGZHEIZHONGGUZHANGDEYUANYINYOU:MOQIEDAOZHOUWEIZHANTIEDEHAIMIANJIAOTIAOMIDUGUOXIAOHUOYINGDUGUOXIAO,HUIDANLIBUZU;MOQIEDAORENKOUBUFENGLI,ZHIZHANGGUOHOU,YINQIJIADAOHUOMOQIESHIZHANDAO。KEGENJUMOQIEDAODEFENBUQINGKUANG,HELIXUANYONGBUTONGYINGDUDEHAIMIANTIAOHUOGENGHUANMOQIEDAO。

  6. 模切“散版”

  模切散版主要与制版工艺及海绵胶条有关。如果活件形状复杂或排列活件很多,而模切版上的连点既小又少,则很容易造成模切时散版。对此,要适当增加连点数量。另外,制作模切版时尽量将印品长度方向与输纸方向保持一致。模切版上粘贴的脱纸海绵胶条硬度小,太软,不能使纸张顺利脱离模切刀或压痕钢线,也会造成散版。解决办法是换成硬度大、弹性好的优质海绵胶条。

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