661. What is the role of limit switch for pneumatic platform type feeder?
Answer: Limit the paper pile to continue to rise indefinitely to ensure the safe production of the folder.
662. Pneumatic flat paper feeder paper height?
Answer: The normal height of the pile rise should be 4~6mm from the top of the block, as shown in Figure 1.
663.What is the paper feeding process of the pneumatic platform paper feeder?
Answer: The paper feeding process of the pneumatic platform paper feeder is a smooth, smooth and automatic process of feeding paper from a paper table to a folder. It is mainly accomplished through the coordination and cooperation of loose paper blowing nozzles, paper dispensing nozzles, blocking paper brushes, pressure paper blowing nozzles, aligning blocks and transfer rollers.
664. What is the function of loose paper mouthpiece?
A: The function of the loose paper mouthpiece is to loosen the paper to prevent double-sheets or failures such as missing sheets due to paper adhesion.
665. What are the positioning requirements for loose paper mouthpieces?
Answer: 1 The air volume of loose paper mouthpiece should generally make more than 10 pieces of paper on the pile surface be blown loose. 2 The distance between the loose paper mouthpiece and the back of paper pile is generally 8~10mm, as shown in Fig.2.
Thick and hard paper, loose paper mouthpiece can be closer to the paper pile (s < 8mm); thin and soft paper, loose paper mouthpiece can be far away from the paper pile (s> 8mm). In short, the closer the pine paper mouthpiece is to the pile of paper, the greater the air volume, and vice versa.
666. What is the role of paper suction nozzle?
A: The function of the paper suction nozzle is that when the paper is fed, the paper suction nozzle contacts with the paper stack and sucks one surface of the paper suction nozzle, so that the paper is sucked up smoothly and conveyed out of the paper table to enter the folding section.
667. What are the positioning operation requirements for the paper suction nozzle?
Answer: 1 The height of the upper and lower suction nozzles of the two sub-paper suction nozzles should be the same and parallel to the paper surface (except in special cases); 2 The positions of the two suction nozzles should be symmetrical on both sides of the center line of the paper feeder Or on both sides of the centerline of the paper pile, and the distance corresponding to the side of the paper is the same; the distance between the lowest surface (the contact surface of the paper suction nozzle and the paper) and the paper surface of the 3-half paper suction nozzle should be based on the paper thickness. And set. Thick and hard paper, paper feed distance can be near, in 2 ~ 3mm, thin and soft paper, paper feed distance can be far, in 6 ~ 8mm; 4 points paper suction nozzle center line and pile behind the paper pile The distance s is generally about 20mm, as shown in Figure 3;
(5) The opening time should be controlled when the paper suction nozzle is down. When the air is off, the paper suction nozzle should not be in the state of paper suction.
668. What is the role of paper brush?
A: The role of the paper baffle is to wipe the paper that is sucked by the paper suction nozzle to prevent it from sucking more, and the paper suction nozzle can properly pick up the paper and send it out of the paper feeder.
669. What are the positioning operation requirements of the paper stop brush?
Answer: 1 The distance between the paper bristles brushing into the paper stack should be appropriate. If too much of the paper is pulled in, it will affect the normal suction of the paper. If the paper is stretched too little, it will not be able to block the paper. Under normal circumstances, thin and soft paper should be 7 ~ 9mm, thick and hard paper when s should be 3 ~ 5mm; 2 appropriate adjustment of the paper bristle brush and paper stack distance h, too high is easy There are double sheets; if they are too low, they will not be able to absorb the paper, resulting in broken sheets and missing sheets. In general, h is about 5mm.
- "Printing Technology - Publishing Commercial Printing"
The world's first lipstick was discovered in the Sumerian city of Ur about five thousand years ago.
The ancient Egyptians would use black, orange, and purple lipsticks; in ancient Rome, a lipstick called Fucus was made of purple-red mercury-containing plant dye and red wine sediment.
Guerlain of France introduced tube lipsticks to the United States, mainly for a small number of nobles. The first metal tube lipsticks were produced by Maurice Levy and Skorwell Manufacturing Company in Waterbury, Connecticut, USA. and the Scovil Manufacturing Company) was manufactured in 1915 and is a popular product.
Lipstick development trend
In recent years, the use of various pearlescent powders and processed pigments has made lipsticks more diversified and more comfortable in texture. Similar to the development trend of other types of beauty cosmetics, lipsticks continue to maintain the focus on beauty; taking into account the functions of moisturizing, nourishing and sun protection.
Precautions
Keep the lipstick at room temperature and avoid high temperature in the storage place. The lipstick can be stored for three years before it is opened, and the shelf life is shortened to one to two years due to the contact with oxygen after it is opened. When the color of lipstick changes or emits a peculiar smell, stop using it.
Lipstick,Includes Matte Lipstick,Velvet Lipstick,Highly Pigmented Lipstick,Creamy Lipstick etc.
Matte Lipstick,Velvet Lipstick,Highly Pigmented Lipstick,Creamy Lipstick
Jilin Xiangqi Technology Co., Ltd , https://www.xqccosmetics.com