Remove the knife before calibration to prevent the knife from deforming during calibration. It is best to remove the knife completely. One person visually pointed and pointed out the deformation of the beam from the tip of the knife to the end of the blade. The other person took chalk to mark the highest point, the second highest point, and the third highest point. Then, according to the number of marks, a corresponding number of jacks (5 to 8t) and round logs (10 to 15 cm in diameter) are prepared. One end of the log is opened into a V-shaped groove, and the other end is sawed into a plane. The length of the log is determined according to the measured distance during operation. Finally prepare some flat iron or flat wrenches. After the preparation is completed, a jack and a log are slanted between the highest point of the cutter beam and the square beam above the header. One end of the V-groove of the round wood is just above the corner of the square beam, and the plane just sits on top of the jack. The bottom of the jack sits on the corner of the cutter beam. Place the prepared flat iron plate or flat wrench in the angle between the jack and the cutter beam and the header plate so that the jack is stable. The jack rises slowly, causing the knife beam to excessively deform 1 to 2 centimeters. Then, the second highest point and the third highest point are pushed up one after another. After jacking up, park for 1 to 2 hours before loosening the jack. Check whether the cutter beam is straight and if not straight, use the above method to cold press until satisfied. The jacks can be replaced when cold pressure is applied again.
Operation must pay attention to safety, the jack must be stable, the operator must work sideways, beware of jacks outward wounded.
Cosmetics are a mixture of various raw materials processed by reasonable allocation. There are many kinds of cosmetics with different properties. According to the cosmetic raw material performance and use, can be divided into two categories of substrate raw materials and auxiliary raw materials. The former is a kind of main raw material of cosmetics, which occupies a large proportion in cosmetics formula and plays a major role in cosmetics. The latter play a role in shaping, stabilizing, or imbuing cosmetics with color, fragrance and other properties that are extremely important in small amounts in cosmetic formulations. Cosmetics is with natural, synthetic or extract all sorts of action different material as raw material, via heating, agitation and emulsification wait for production program processing and become chemical mixture material.
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