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如何控制不干胶标签印刷颜色的一致性?

来源:http://www.njhxsfs.com/ 日期:2019-05-15 发布人:admin   在平时的加工过程中,怎样维持标签印刷色调的完整性始终是困惑制造使用工作员的一条难点。许多标签印刷公司由于标识商品偏色难题遭受客诉乃至退换货。那么,在标签生产过程中如何控制产品颜色的一致性呢?不干胶防伪标签印刷制作厂家将从以下几个方面与您洽谈:
  In the ordinary processing process, how to maintain the integrity of the label printing tone is always a difficult problem for the manufacturing and using workers. Many label printing companies suffer from customer complaints and even refund and exchange due to the problem of color bias of label goods. So, how to control the consistency of product color in the label production process? Self-adhesive anti-counterfeiting label printing manufacturers will negotiate with you from the following aspects:
  一、建立合理的颜色管理制度
  1. Establishing a Reasonable Color Management System我们知道印刷品想要完全避免色差是不可能的,问题的关键在于如何将色差控制在合理的范围之内。那么,标签印刷企业控制好标签产品颜色一致性的一步就是要建立一个完善合理的颜色管理制度,让操作人员懂得合格产品的范围。具体有以下几点。
  We know that it is impossible to completely avoid chromatic aberration in printed matter. The key problem is how to control the chromatic aberration within a reasonable range. Then, the first step for label printing enterprises to control the color consistency of label products is to establish a perfect and reasonable color management system so that operators can understand the scope of qualified products. Specifically, there are the following points.
  1、明确产品颜色上下限
  1. Define the upper and lower limits of product color当我们一次生产某标签产品时,应制定出该标签产品颜色的上限、标准和下限,经客户确认后定为“样张”。日后的生产中以样张的标准颜色为基础,并严格规定颜色的波动不能超过上下限,这样,在保证标签产品颜色一致性的同时,还能给生产人员一个合理的颜色波动范围,也使产品的颜色标准更具可操作性。
  When we first produce a labeled product, we should set up the upper, standard and lower color limits of the labeled product. After confirmation by customers, it is designated as "sample sheet". In future production, the standard color of the sample is taken as the basis, and the fluctuation of the color should not exceed the upper and lower limits. In this way, while ensuring the color consistency of the label products, it can also give the producers a reasonable range of color fluctuation, and make the color standard of the products more operable.
  2、完善首尾件签样、巡检及抽检制度
  2. Improving the system of first and last sample signing, patrol and spot checking想进一步保证颜色标准的执行还应将标签产品颜色的检验项目加入到标签产品首尾件签样制度中,这样便于生产管理人员对标签产品颜色差异进行控制,不合适的标签产品坚决不予检验通过。同时加强巡检和抽检,以保证在标签产品印刷生产过程中能及时发现和处理超出色差合理范围的标签产品。
  In order to further ensure the implementation of the color standard, the inspection items of label product color should be added to the label product first and last part labeling system, so as to facilitate the production management personnel to control the color difference of label products, and the improper label products will not be tested and passed. At the same time, patrol inspection and spot inspection should be strengthened to ensure that label products with super-excellent, poor and reasonable range can be found and handled in time in the production process of label printing.
  二、印刷标准光源很重要
  2. Printing Standard Light Source is Important据笔者了解目前许多标签印刷企业并没有使用印刷标准照明光源,这就给标签产品颜色一致性控制造成了隐患。许多标签印刷企业在上夜班的时候采用照明光源看到的颜色与白天在日光下看到的颜色差别很大,从而导致了印刷颜色差异。因此建议广大的标签印刷企业一定要使用印刷标准照明光源来进行照明,有条件的企业还需要配备标准光源箱,以便让员工在标准光源下面进行标签产品的颜色对比。这样可以有效地避免由于照明光源不标准导致的印刷品色差问题。
  According to the author's understanding, many label printing enterprises do not use printing standard lighting source at present, which causes hidden dangers to the color consistency control of label products. Many label printing enterprises use illumination light source to see different colors when they work at night and in daylight, which results in different printing colors. Therefore, it is suggested that the label printing enterprises must use the standard lighting source to illuminate, and the qualified enterprises also need to equip the standard light source box, so as to enable employees to carry out the color contrast of label products under the standard light source. This can effectively avoid the problem of chromatic aberration caused by the non-standard lighting source.
                         不干胶防伪标签印刷制作
  三、油墨问题会导致色差
  3. Ink problems can lead to chromatic aberration笔者也曾经遇到过这样的情况:标签产品在客户处放置一段时间后,其油墨颜色逐渐发生变化(主要表现为褪色),但前几个批次的产品未发生同样的现象。这种情况一般是由于使用了过期油墨造成的。普通UV油墨的保质期通常为一年,使用过期油墨很容易出现标签产品褪色等情况。因此,标签印刷企业在使用UV油墨时一定要注意使用正规厂家生产的油墨,同时要注意油墨的保质期,及时更新库存,以免使用过期油墨。另外,在印刷生产过程中要注意油墨添加剂的使用量,如果油墨添加剂使用过量,也可能导致印刷后油墨的颜色产生变化。因此,在使用各种油墨添加剂时较好先与油墨供应商进行沟通,再确定添加剂的正确比例范围。
  The author has also encountered such a situation: after the label product is placed in the customer for a period of time, its ink color gradually changes (mainly for fading), but the previous batches of products did not have the same phenomenon. This situation is usually caused by the use of expired ink. Usually, the shelf life of ordinary UV ink is one year. It is easy to fade the label products when the expired ink is used. Therefore, when using UV ink, label printing enterprises must pay attention to the use of ink produced by regular manufacturers, at the same time, pay attention to the quality of ink, timely update the inventory, in order to avoid the use of expired ink. In addition, attention should be paid to the use of ink additives in the printing process. If the use of ink additives is excessive, the color of ink may change after printing. Therefore, when using various ink additives, it is better to communicate with ink suppliers first, and then determine the correct proportion of additives.
  四、专色油墨的颜色一致性
  IV. COLOR CONSISTENCY OF SPOT COLOR INK
  标签印刷生产过程中经常需要配制专色油墨,不少标签印刷企业配制专色油墨时与样品的颜色差距甚远。造成这类情况的主要原因是油墨配比不对。专色油墨由多种原色油墨配制而成,而大多数UV油墨都是彩通(PANTONE)色系,所以我们配制专色油墨时往往会按彩通色卡上给出的比例来配制。但这里要指出的是,彩通色卡上的油墨配比不一定完全准确,经常会有微小的差别。这时,就对印刷人员的经验有一定要求,因为印刷人员对油墨颜色的敏感度十分重要。印刷人员应该多学多练,不断积累这方面的经验才能达到熟练掌握的水平。这里想提醒大家的是,不是所有的油墨都以彩通色系为基础,遇到非彩通色系的油墨时就不能以彩通色卡上的配比为准,否则很难配制出所需要的颜色。
  In the process of label printing, spot-color ink is often needed. Many label printing enterprises make spot-color ink which is far from the sample color. The main reason for this kind of situation is the mismatch of ink. Spot-color ink is made of a variety of primary color ink, and most UV ink is PANTONE color system, so when we prepare spot-color ink, we often make it according to the proportion given on the color card. However, it should be pointed out here that the ink ratio on the color card is not necessarily accurate, and there are often minor differences. At this time, there is a certain requirement for the experience of the printer, because the sensitivity of the printer to ink color is very important. Printers should learn more and practice more. Only by accumulating experience in this field can they reach the level of proficiency. Here I would like to remind you that not all inks are based on color tone system. If you encounter non-color tone system inks, you can not match the proportion on the color tone card. Otherwise, it is difficult to make the required color.
  另外,目前许多标签印刷企业为了保证油墨比例的准确性都配备了电子秤,这一行为值得提倡,标准化是工业生产进步的重要措施之一。首次配制的专色油墨应由操作人员将其油墨配比记录在工艺卡上,以便为下次再配制该专色油墨时提供数据基础,同时还能保证不同班次、不同操作人员配制专色油墨颜色的一致性。
  In addition, many label printing enterprises are equipped with electronic scales in order to ensure the accuracy of ink proportion. This behavior is worth advocating. Standardization is one of the important measures for industrial production progress. The first spot-color ink should be recorded on the process card by the operator so as to provide data basis for the next preparation of the spot-color ink, and ensure the consistency of the color of the spot-color ink prepared by different shifts and operators.
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