First let's take a look at the pressure effect of the squeegee. The factors affecting the pressure of the doctor blade are the size of the cylinder pressure, the difference between the hard and soft blades, the angle at which the doctor blade intersects the plate, etc., the greater the slope, the greater the pressure. Excessive pressure will reduce the ink transfer rate, and the printing plate and the blade will wear more. If the pressure is too small, the dirty plate will appear or the scraper line will appear. This article will introduce you to the supplier of Guangdong plastic squeegee.
Such periodic fluctuations not only have a certain influence on the plate roller base, but also the effect on the doctor blade is very obvious. The long time vibration will make the doctor blade scrape dirty, resulting in dirty version. A phenomenon occurs. By increasing the pressure on the doctor blade pressure, the problem can be solved in a short period of time, but the problem cannot be solved fundamentally, and it also has a significant impact on the service life of the doctor blade.
The polishing quality of the surface of the plate roller is mainly manifested by the number of burrs around the cell. The good quality plate has a clean, no burr, and the cells are clear and there are no impurities inside. This ensures that the plate roller does not damage the doctor blade during the printing process. After the squeegee is frequently replaced, if there is still a ruled line on the printed product, it can be generally determined that there is a problem of polishing quality of the plate roll.
The doctor blade device has high rigidity and the swing mechanism is balanced. Installed on the side of the printing unit, the height is adjustable. The squeegee can be reciprocated axially along the slide rail, and can move in three directions of up, down, left and right, and front and rear. The squeegee holder can be rotated, and the tool holder is made of cast iron, which has good shock absorption effect.
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