手提袋印刷過程中呈現(xiàn)杠痕是什么原因呢？濟南手提袋印刷小編簡單為大家分析一下手提袋印刷時出現(xiàn)杠痕的原因。

What is the reason for the bar marks in the process of handbag printing? Jinan handbag printing editor will briefly analyze the causes of bar marks in handbag printing.

1.滾筒齒輪磨損、齒輪空隙過大或是齒輪間有異物聚積。當(dāng)滾筒齒輪磨損、空隙或齒間中有異物粘附狀況時，機器工作過程中，各滾筒齒輪間不能精確地嚙合，使?jié)L筒之間的線速度不行共同。此外齒隙太大，滾筒也簡單發(fā)生震顫顫動，構(gòu)成印刷杠痕，使印品版面呈現(xiàn)一道道與齒輪節(jié)距附近的墨杠痕跡。

1. The drum gear is worn, the gear gap is too large, or there is foreign matter accumulation between the gears. When the drum gear is worn, the gap or there is adhesion of foreign matters between the teeth, the drum gears cannot be accurately meshed during the operation of the machine, so that the linear speed between the drums cannot be the same. In addition, if the backlash is too large, the drum will simply vibrate and form the print bar marks, which will make the print plate appear ink bar marks near the gear pitch.

2.膠輥要素引起的墨杠。當(dāng)膠輥與印版間的觸摸壓力過大時，那么機器工作過程中，著墨輥與印版觸摸滾刷時，就簡單發(fā)生沖擊而引起震顫，印刷這樣摩擦力增大造成了條痕杠影。假如幾根靠版式的著墨輥壓力都太大，杠痕的密度將更大。對此，應(yīng)經(jīng)過調(diào)整膠輥與印版間的觸摸壓力，保持均勻、適度的觸摸條件，過量的阻力后，墨杠才可得到較好的。

2. Ink bar caused by rubber roller element. When the touch pressure between the rubber roller and the printing plate is too large, when the inking roller and the printing plate touch the roller brush during the machine operation, it will simply impact and cause vibration, and the increased friction in the printing process will cause stripes and shadows. If the pressure of several inking rollers depending on the format is too high, the density of the bar marks will be greater. In this regard, the ink bar can only be better removed after adjusting the touch pressure between the rubber roller and the printing plate, maintaining a uniform and moderate touch condition, and eliminating excessive resistance.

此外印刷過程中由于水的揮發(fā)作用，會導(dǎo)致水墨粘度升高和PH值下降，PH值應(yīng)控制在8．5—9．5之間，若超出此范圍，可用PH穩(wěn)定劑進行調(diào)節(jié)，保持粘度和PH值的穩(wěn)定。一般情況下，水墨適于手提袋印刷高速印刷，低速印刷時若遇到干燥速度太快或印刷效果不佳的情況，可添加一定比例的慢干劑。

In addition, due to the volatilization of water during the printing process, the viscosity of ink will increase and the PH value will decrease. The PH value should be controlled between 8.5 and 9.5. If it exceeds this range, the PH stabilizer can be used to adjust it to maintain the stability of viscosity and PH value. In general, ink is suitable for high-speed printing of handbag printing. If the drying speed is too fast or the printing effect is poor during low-speed printing, a certain proportion of slow drying agent can be added.

印刷完畢后應(yīng)將剩余水墨收集回相應(yīng)的原裝桶中或?qū)⒛鄣纳w子蓋嚴(yán)，以備下次使用，謹(jǐn)防由于水的揮發(fā)導(dǎo)致水墨表面結(jié)膜、變稠甚變干。印刷后殘留在印刷設(shè)置上的墨在其未完全干燥前可用清水沖洗，無法用清水洗凈的墨可用清洗劑進行清洗。

After printing, the remaining ink should be collected back into the corresponding original bucket or the cover of the ink tank should be tightly closed for the next use, to prevent the ink surface from forming film, thickening or even drying due to the evaporation of water. The ink left on the printing device after printing can be washed with clean water before it is completely dry, and the ink that cannot be washed with clean water can be cleaned with detergent.

手提袋印刷過程中為何會出現(xiàn)杠痕？以上就是問題的解答內(nèi)容了，您對此有怎樣的想法可以來我們網(wǎng)站http://www.buiy.cn咨詢了解！

Why are there bar marks in the printing process of handbag? The above is the answer to the question. What do you think about it? Please visit our website http://www.buiy.cn Consult and understand!