670. What is the function of the pressure blowing nozzle? 671. What is the positioning operation requirement of the paper blowing nozzle? 672. What is the function of the side loose paper mouthpiece? 673. What is the positioning operation requirement for the side loose paper mouthpiece? 674. What is the role of separation head? 675. What are the positioning operation requirements of the separation head? 676. What is the role of qi block? 677. What is the positioning operation requirement of the flush block? 678. What is a fence folder? 680. What are the positioning requirements for the fence type folding machine? The liquid eyeliner has a rich and smooth line, which is very suitable for the current fashion to pick up makeup on the end of the eye. A slight increase in the tail can emphasize the femininity. Draw a slightly upward extension line along the arc of the outer corner of the eye, but the upward length should not exceed the width of the double eyelid, as it will look unnatural if it is too long.
The technique of using liquid eyeliner is difficult to master. If you want to make your Eye Makeup natural, you must practice more. People who work under the strong light in front of the camera need to highlight the eye line. It is best to use black or dark brown liquid eyeliner. High-quality liquid eyeliner will dry faster. Choose a shorter brush handle, and when drawing eyeliner, put your little finger on your cheek, which is easier to control and not easy to draw the eyeliner crookedly.
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Answer: 1 Blowing, that is, blowing a layer of air flow between the first paper and the second paper that should be sucked up on the surface of the pile of paper, so that the two papers are separated from each other so that they can be sent smoothly; 2 press the paper, That is, during the paper feeding process, the second sheet and the following sheets of the paper stack surface are pressed so as not to disturb the paper transport, so that the paper can be separated, sucked up and sent out; and 3 the lift of the paper stack is controlled. When the paper stack height is lower than the paper feeding requirement, the electromagnetic valve is activated, so that the paper stack automatically rises once. Under normal circumstances, it rises once every 12 or so, and cooperates with the limit switch to maintain the normal working height of the paper stack.
Answer: It is advisable to press the blowing nozzle at the distance s when it is not stepped on the surface of the paper. Under normal circumstances, s should be 8 ~ 12mm, as shown in Figure 2.
A: The function of the side loose paper blowing nozzle is to solve the unevenness of the paper on the paper stack and the two corners of the paper to make up for the lack of air volume of the paper blowing nozzle when the machine is running at a high speed so as to ensure the smooth progress of the paper feeding.
A: 1 General air volume, the distance between the sidesheet paper blowing nozzle and the paper is suitable for blowing 8-10 sheets of paper on the surface of the loose paper pile; 2 sheets of folding paper can be closed off or the paper can be closed when the paper is flat.
A: The role of the separation head is to encounter a situation where the size of the paper is changed during the folding. Any adjustment can be made before and after, so as to ensure the smooth progress of the paper feeding.
Answer: 1 When the size of the paper changes, the necessary adjustment must be made to the separation head; 2 When adjusting, set the contact distance between the pressure block at the rear end of the separation head and the paper stack. Under normal circumstances, the pressure plate at the back of the separation head The paper edge distance s is about 1 mm after the paper stack, with a slight gap, as shown in FIG. 3 .
A: The flush block is also called blocking block or bridge, its role is to correct the tilt of the stack, so that the paper on the surface of the stack is neat and stable in the process of feeding, and in addition, the block of paper is in the process of paper feeding. The bridge between the stack table and the transfer roller acts smoothly to send the pages to the folding section.
Answer: 1 The timing of the flushing of the aligning block is correct. When the aligning block starts to move forward and tilts, it should be the position where the picking nozzle will start to put the paper and the transfer roller is at the position where the paper is to be delivered; The top of the stack should be 4 to 6mm from the top of the aligner.
Answer: The fence type folding machine is a folding machine that folds without a roller device using a fence gauge.
679. What is the working principle of the fence type folding machine?
A: As shown in Figure 4, the working principle of the fence type folding machine is to send the sheets to be folded one by one to the two pairs of folding sheet feeding rollers, due to the friction of the folding sheet feeding roller against the paper. The paper also produces the same movement speed as the folding feed roller. The paper moves forward along the upper fence track and is sent to the stop. Under the effect of friction, the paper is sent to the stop in the lower fence. Rule, the first or second fold of the work process is completed, and then the folded sheet feeding roller is used to force the paper to turn and bend, and the folding process of the 2, 3, and 4 fold signatures is completed in turn.
Answer: The positioning requirements of the fence-type folding machine include the following: 1 inclined-shaped paper-feeding roller, 2 side-restricted gauges, 3 folding-sheet feeding rollers, 4 barrier fence gauges, 5 indented wheels.
- "Printing Technology - Publishing Commercial Printing"
The earliest written record about liquid eyeliner is that liquid eyeliner can generally be divided into liquid form (in a tube), cake form and pen form. Liquid eyeliner and eyeliner can be drawn directly, while the eyeliner cake must be dipped in water.
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