A kind of stretching net stress release process
A technology of stress release and process, applied in printing plate preparation, printing, etc., can solve the problems that the screen stress is difficult to completely release, reduce the service life of the screen plate, and affect the efficiency of the cell, so as to improve the production efficiency and yield, and shorten the drawing time. Internet time, the effect of improving market competitiveness
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[0020] An expanded net stress release process comprises the following specific steps:
[0021] 1) Pull the polyester net in the warp direction to the set value (such as 30N), and then pull the polyester net in the weft direction to the same set value (such as 30N);
[0022] 2) An infrared heat radiation parallel lamp tube with equal distance and equal energy is installed above the stretching netting machine. The parallel infrared lamp tube is moved to the top of the stretched mesh through the automatic controller. The distance from the mesh is 10-100mm, and the corresponding energy and time (30-300s) are set. After starting, the infrared radiation light will radiate to the surface of the mesh in parallel and evenly, because the frequency of infrared radiation is close to the molecular vibration frequency of the screen body , can achieve the resonance effect, so that the molecules of the screen body can fully absorb the heat radiation, so that under the action of a certain tens...
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