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400-631-8110

山东双沣包装有限公司

电话:0538-893 5111
邮箱:15169104111@163.com
FAX:0538-8935111
地址:山东济南章丘城东工业园丰年大道1号

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纸箱生产过程中会出现的问题及解决方法

来源:http://www.shuangfengbaozhuang.cn 时间:2021-01-06

1,印刷拖脏
1. Dirty printing
故障原因:水墨不干或水墨膜层太厚;层水墨膜层不均匀;过高的表面张力致水墨不易干燥
Cause of failure: the ink is not dry or the ink film is too thick; the bottom ink film is not uniform; the ink is not easy to dry due to high surface tension
排除办法:提高干燥速度;测量调整网纹辊、印版和压力辊间压力、轴的平行度;更换溶剂,减少水墨膜层厚度,或增加干燥能力
Troubleshooting: improve the drying speed; measure and adjust the parallelism of pressure and shaft between anilox roller, plate and pressure roller; change the solvent, reduce the thickness of ink film, or increase the drying capacity
2,糊版、堵版
2, paste version, block version
故障原因:印版太浅;印刷压力太大;供墨量太多;水墨粘度太高;水墨干燥速度过快;
Causes: the printing plate is too shallow; the printing pressure is too high; the ink supply is too much; the ink viscosity is too high; the ink drying speed is too fast;
排除办法:加深印版;调整印刷压力;降供墨量;降水墨的粘度;降干燥速度
Troubleshooting: deepen the plate; adjust the printing pressure; reduce the ink supply; reduce the viscosity of ink; reduce the drying speed
3,叠色不良
3. Poor color stacking
纸箱厂家
故障原因:多色套印中印后面的颜色时,前一色未干;后印的颜色使前一色发生剥离现象;后印的色叠印不上去 排除办法:提高*色干燥速度;降后印色墨的粘度或降印刷压力;降后一色的粘度或提高其附着力
Causes: when printing the back color in multi-color overprint, the front color is not dry; the back color makes the front color peel off; the back color overprint cannot go up. Solutions: improve the drying speed of * color; reduce the viscosity of the back ink or the printing pressure; reduce the viscosity of the back color or improve its adhesion
4,印刷针孔或鱼眼
Pinhole or 4-pin printing
故障原因:加消泡剂过多或消泡剂与水墨不溶;承印材表面张力过大;水墨泡沫或微沫过多
Reasons for failure: excessive defoaming agent or insoluble agent with ink and ink, excessive surface tension of printing material, too much ink or froth.
排除办法:更换水墨或加没有消泡剂的新鲜水墨;加入合适的添加剂;除去泡沫或更换水墨
Remedy: replace ink and ink or add fresh ink with no defoamer; add suitable additives; remove foam or replace ink.
5,颜色太浅
5. The color is too light
故障原因:水墨的粘度太;网纹辊网线太细;网纹辊磨损或未清洗干净;上墨量太小
Causes: the viscosity of the ink is too low; the line of the anilox roller is too thin; the anilox roller is worn or not cleaned; the amount of ink is too small
排除办法:提高水墨的粘度;调换粗网线的网纹辊;换用新的网纹辊或对网纹辊进行彻清洗;降传墨辊或刮墨刀的压力或加快印刷速度。
Solutions: increase the viscosity of ink; change the anilox roll of coarse screen; change a new anilox roll or thoroughly clean the anilox roll; reduce the pressure of ink roller or scraper or speed up the printing speed.
6,颜色太深
6. The color is too dark
故障原因:水墨的粘度太高;网纹辊太粗;水墨色饱和度太高;墨量太大
Causes: the viscosity of the ink is too high; the anilox roller is too thick; the color saturation of the ink is too high; the amount of ink is too large
排除办法:加稀释剂降粘度;换细网纹辊;加撤淡剂降颜色深度提高传刮墨辊或刮墨刀的压力
Solution: add diluent to reduce viscosity; change fine mesh roller; add diluent to reduce color depth and increase the pressure of ink transfer roller or blade
7,印迹不实
7. False impression
故障原因:印版压力太小;水墨膜层太薄;水墨的粘性大;纸板表面太湿或太光
Causes: plate pressure is too small; ink film is too thin; ink viscosity is large; paperboard surface is too wet or too light
排除办法:增加印版压力;增加墨层厚度;加慢干剂,降水墨PH值,或提车速;加入合适的添加剂
Solution: increase plate pressure; increase ink layer thickness; add slow drying agent, reduce ink pH value, or increase speed; add appropriate additives
8,印刷杂色
8. Printing noise
故障原因:印版表面不光或不平整;印版压力不当;水墨粘度太;墨加水太多使水墨失去平衡;网纹辊脏
Causes: the surface of the printing plate is not smooth or smooth; the pressure of the printing plate is improper; the viscosity of the ink is too low; too much water is added to the ink to make the ink out of balance; the anilox roller is dirty
排除办法:压紧衬垫与印版;调整印刷辊压力;加新鲜墨提高粘度;加新鲜水墨或将脱水剂加入水墨;清洁或更换网纹辊
Troubleshooting: press the pad and plate; adjust the pressure of the printing roller; add fresh ink to improve the viscosity; add fresh ink or dehydrating agent to the ink; clean or replace the anilox roller
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