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Two people stand in a bright workspace. One wears a beanie and puffy jacket, crossing their arms, while the other sports a Hawaiian shirt and shorts. A large printer is in the background along with some rolled materials. One of them looks serious, while the other is smiling. (This text has been generated by AI)

冬夏交替 柔性版印刷
如何360°全方位避免翘版

印刷车间环境夏季闷热潮湿,冬天低温寒冷?贴版部车间温度面临极端挑战,如何选择合适的贴版胶带呢?

贴版胶带种类繁多,很多胶带供应商都承诺他们的胶带性能完美。但是正如“一千个读者眼中有一千个哈姆雷特”一样,冬夏交替换季时温度忽高忽低,每一个车间的环境和设备情况都不尽相同。

一些常见参考标准

Icon of a blue thermometer set against a dark gray rectangle, indicating temperature or health. The thermometer is upright with a bulb at the bottom and a thin rectangular column extending upward. (This text has been generated by AI)
寒冷低温?胶粘剂变硬,粘接力降低!
贴版胶带性能面临挑战
A red thermometer icon on a gray background, indicating high temperature. Please use tesa tape for any application needs. (This text has been generated by AI)
闷热潮湿? 胶粘剂变软,粘接强度变弱!
贴版胶带性能面临挑战
Two overlapping rectangular shapes with rounded corners are depicted. Each has a shiny star-like sparkle on its surface, suggesting a clean or polished design. The shapes are gray with darker outlines, set against a white background. (This text has been generated by AI)
温度湿度佳,车间洁净?点赞,贴版胶带可实现重复使用!
A person in a suit and tie stands at a podium with the White House emblem, speaking and gesturing with their right hand. A blue curtain and two American flags are in the background. (This text has been generated by AI)
有无法避免的污染?
有点挑战,但是贴板胶带仍有高性能表现!

结合下表回顾车间环境进行产品选型:

A chart titled Softprint Sleeve Product Range featuring a table that compares sleeve features. The table includes columns for FE, FE-X, SEC-X, SLM, TP, TP-X, and STM with scales that measure printing pressure and sleeve material quality, using tesa tape. (This text has been generated by AI)
tesa®Softprint 系列
请联系德莎专家帮助您进行产品选型

但是当操作条件不符合标准对贴版胶带的影响时,应该如何应对呢?

A person rolls a red-handled roller over a cylindrical object wrapped with tesa tape that has a blue and white surface. The setting appears to be an industrial environment with metal pipes and machinery. (This text has been generated by AI)

01胶带粘接在套筒上时,印版边缘翘起

制版过程中产生的污染物,如肥皂、油污、脂类或残留光聚合物,都会对胶带性能产生负面影响,引起翘版问题。

 

解决方案:

1. 选择合适粘接强度的贴版胶带——印版较厚时需更强的粘接力,才能保持印版边缘持久粘接。

2. 贴版时施加足够的压力:使用橡胶辊或施压辊,对前后边缘施加相同的压力。

3. 贴版后快速检查,用拇指牢牢按在印版的图案区域——如果下面区域看起来比周围区域暗,则表明贴版时未能施加足够的压力。对于非常苛刻的情况,可使用封版胶带或合适的封板笔

 

A person is cleaning a black cylindrical roller on a machine using a cloth and a plastic bottle. The persons right hand holds the cloth while the left holds the bottle. The machine has a white frame and a metal structure. (This text has been generated by AI)

02如何避免胶带与印刷套筒或辊筒粘接面出现气泡:

胶带和套筒之间的粘接力受到干扰。例如,胶带和套筒之间的温差引起湿气进入,或套筒表面其他污染物。

 

解决方案:

1. 贴版前,确保在相同温度下存放所有组件。

2. 确保正确清洁套筒且无污垢或油墨残留物来影响胶带粘接力。

3. 贴版前若使用清洁剂清洁套筒,则需要保证贴版前有足够的挥发时间,这点对于有刮痕或受损套筒非常重要,因为这种套筒容易吸入湿气

 

A hand is pressing down on a blue layer of film being wrapped around a white cylindrical object. A small red roller is on the black surface next to the object, along with some tesa tape. (This text has been generated by AI)

03印版与胶带同时脱离套筒,整体翘起

为什么印版会整体翘起?

当胶带和套筒之间的粘接力小于胶带和印版之间的粘接力或未遵循贴版指南时,可能会发生整体翘起。

 

整体翘版解决方案

1. 选择与所用套筒匹配的贴版胶带,贴胶带时向套筒施加足够的压力。

2. 确保印版和胶带粘贴的接缝处不重叠。

3. 控制生产环境的温度和湿度。

来自德莎客户证言

PDS集团印前经理Jose Teruel Abelián表示:

» 我们通过使用德莎柔印贴板胶带tesa® Softprint改进了工艺,避免了贴版时边缘翘版,从而提高了我们工艺的生产效率和质量。

请联系德莎专家帮助您进行产品选型

FP&P_Flexographic-Printing_Plate-Mounting-070

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