Printed screen frame also affects platemaking accuracy

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The quality of the printing frame is related to the level of printing accuracy. After the frame is stretched, it is particularly necessary to reduce the deformation of the frame and the change in screen tension.

Any screen has a certain degree of elongation, and the elongation at break is generally 40% to 50%. Therefore, the screen will stretch due to the pressure during the printing process, resulting in inaccurate flowering. When a certain pre-tension is given when stretching the frame, the loss of the screen tension after the stretching frame can be reduced, and the printing accuracy can be improved. The use of a large fabric stretcher manufactured by Swiss SST can accommodate this requirement. When the tweezers tension the screen, the frame is also pressed at the same time so that the frame is deformed inwardly. Due to the sufficient strength and elasticity of the frame material, once the air pressure is removed, the frame tends to return to its original shape, resulting in tension on the screen towards the four sides, resulting in a certain degree of elongation of the screen.


Source: China Washing & Dyeing Industry Information Center

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