Phase adjustment of the whole machine working cycle: the manufacturer shall strictly adjust according to the designed phase diagram of the cycle, and wear pins or lock them.
Adjustment of the parallelism between the guide rail, plate and working platform: generally, the guide rail or platform is used as the basis for adjustment.
The platform and guide rail should be parallel, and the scraper moves along the guide rail. If they are not parallel, the scraper will not always contact the platform with a certain pressure, or even have a gap. This adjustment has been adjusted before the machine leaves the factory.
The screen printing plate and the platform should be parallel, otherwise, the screen distance (the distance from the bottom of the screen printing plate to the printing surface) is inconsistent, resulting in inconsistent printing pressure and screen printing plate deformation. Therefore, the flatness of the screen frame itself should be guaranteed, and the user generally puts forward specific requirements according to the needs.
Plate adjustment: refers to the adjustment of printing accuracy between the screen printing plate and the printed part on the screen printing machine. High and low adjustment (40mm), front and rear adjustment and adjustment (20mm), horizontal angle adjustment (3 degree).
Adjust the levelness of the ink scraper to the platform, adjust the left and right screw rods to adjust the height of the ink scraper; adjust the left and right jackscrews with jackscrews on the left and right of the middle shaft, which is to adjust the height position of the left and right of the ink scraper respectively.
The adjustment of the angle of the scraper is generally in the range of 65 ° - 85 °, which can be selected according to the needs.
The adjustment of printing pressure is actually the adjustment of the high and low position of the ink scraper.
The length of the scraper cannot be adjusted. It is generally supplied as a set. Each set has several different lengths to choose from.
Stroke adjustment: including the adjustment of stroke size and stroke position. The stroke is adjusted by adjusting the R hole position of the crank and the swing rod radius. The stroke is increased when R is increased, and the stroke length generally exceeds the pattern by 20-50mm.
Screen (table) distance adjustment: the screen (table) distance adjustment can be realized by reducing the screen printing plate or raising the platform. Generally, the method of raising the platform is adopted. The distance between four corners of screen plate shall be consistent with an error of ≤ 0.5mm. The distance between the net and the platform is generally 2-5mm. Only when there is compensation action for lifting the network, the distance between the net and the platform is allowed to be large in front and small in the back.