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教您如何為金屬蝕刻機調配油墨!Teach you how to mix ink for metal etching machine!

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教您如何為金屬蝕刻機調配油墨!Teach you how to mix ink for metal etching machine!

發布日期:2018-11-17 作者:www.tonertimes.com 點擊:

  開印前不僅要準備好要用的油墨,還要根據需要,對其顏色和印刷性能進行調配,以滿足印刷的需要。配墨前,應先估算出相應的耗墨量,使調墨量適當。尤其是對二液反應型油墨,應根據其固化速度和印刷速度來估算其調墨量。

  1.調色 在進行油墨顏色調配時,一是要注意光源對油墨呈色的影響。一般應在自然光下進行配色,顏色呈色就比較準確。而在人工光源下配色,就要選擇呈色性比較好的光源,白熾燈的呈色效果就差些。調配油墨時,應選擇與所配色Z為接近的顏色,然後通過加入少量的其他顏色即可得到所需的顏色。應盡量避免用多色油墨調配。因為調配時所用的油墨色數越多,則混合色的灰度越高,顏色越暗,也使得油墨的調配不易掌握。在具體配墨時,應大致確定所配色的色相,選定相應的油墨,然後再逐漸加入輔墨。在加入深色墨時要注意慢慢加入,不要一次加入過多,否則既容易造成浪費,又使得調配反複多次。

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  2.印刷性能的調節 在印刷時,由於承印物、環境條件、絲網目數等諸多因素,許多油墨不經調配都不能滿足使用要求,為此在使用前都要對其印刷性能進行適當的調配。一般主要是通過添加輔助劑的方法來改善其印刷性能。如絲網目數較高,幹燥速度應稍慢,則可加入少量的止幹劑。而粗網印刷時,粘度應稍大,幹燥速度應稍快,則應加入適量的催幹劑。在填加輔助劑進行調配時,一定要攪拌均勻,其用量也要控製適當,否則效果可能適得其反。

      Before printing, not only the ink to be used should be prepared, but also the color and printing performance should be adjusted according to the needs to meet the needs of printing. Before inking, the corresponding ink consumption should be estimated to make the inking amount appropriate. Especially for the two-liquid reactive ink, the ink volume should be estimated according to its curing speed and printing speed.

       1. In the process of ink color mixing, the first is to pay attention to the influence of light source on ink color. Generally, color matching should be carried out under natural light, and color rendering is more accurate. Under artificial light source, we should choose the light source with better color rendering, and the color rendering effect of incandescent lamp is worse. When mixing ink, you should choose the color closest to the color you want, and then you can get the desired color by adding a small amount of other colors. Should try to avoid using multi-color ink deployment. Because the ink used in the deployment of the number of colors, the higher the gray level of the mixed color, the darker the color, making ink deployment difficult to master. In the specific ink matching, we should roughly determine the hue of the color matching, select the corresponding ink, and then gradually add the auxiliary ink. When adding dark ink, you should pay attention to adding it slowly, not too much at a time, otherwise it is easy to cause waste, and make the deployment repeated many times.

    2. When adjusting the printing performance, due to many factors such as substrate, environmental conditions, mesh number and so on, many inks can not meet the use requirements without deployment, so the printing performance should be properly deployed before use. Generally, the printing performance is improved by adding auxiliary agent. If the mesh number of the screen is high and the drying speed should be slightly slow, a small amount of anti drying agent can be added. While in coarse screen printing, the viscosity should be a little higher and the drying speed should be a little faster, then a proper amount of drier should be added. When the auxiliary agent is added for mixing, it must be stirred evenly, and its dosage must be controlled properly, otherwise the effect may be counterproductive. 

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