The specific operation is: a piece of medical wide gauze, glue or thin paste paste on the transfer roller, and then flattened cotton gauze, boot printing, printing products to eliminate dirty defects, and the printing effect is good. Note: Always clean the transfer cylinder thoroughly before brushing or brushing to avoid affecting the smoothness of the paste.
The complications caused by maintenance failures of electrical appliances were eliminated once. Our company's 08 machine malfunctioned and did not operate. Manually shaking the machine did not feel abnormally heavy. After inspection by the electrician, there was no problem with the button, the fuse was intact, and finally it was found that a relay was broken. After the replacement, the machine is turned on, but Federer stops after it stops. Suspected Federar has no problem, ... ... After this fault processing, we feel that the normal line is the guarantee for the normal operation of the machine, and it is even more important to improve the level of electrical engineering and sense of responsibility.
OS-02 three-side cutting machine stepless speed motor fault repair books and printing printing season, our plant a OS-02 three-side cutter failure, due to control of the speed of the small motor circuit and operation and other reasons, resulting in its absence A pair of synchronous spur gears on the main unit governor of the high-speed three-phase AC commutator motor each damaged 3 teeth, which is difficult to buy because of spare parts; the metal spare parts are designed by themselves, and the structure is complex, the process requirements are high, and the small machinery The factory refused to accept it, and the large machinery factory was reluctant to accept such reasons. As a result, the three-sided cutters were shut down, and the entire production line could not be operated and the book was published.
Under the urgency, we analyzed the structure of the parts and their stress conditions, and adopted the method of retaining the core and inserting the teeth to solve the problem. The specific operation method is: only the car to damage the spur teeth, make a tooth, and the core interference fit, with 3 diameter 2mm pin and the core can be sturdy.
This method is simple and quick to repair, and it enables the three-sided cutters to resume production in the shortest possible time, and has won time for us to publish books on time.
The use of new words in the printing and typesetting to describe the development and renewal of printing and typesetting technology is more appropriate. It is extremely appropriate to use this term to describe the changes in the typesetting process of our factory. In just a dozen years, our plant's printing and typographic technology has gone through lead strips, phototypes, and pictures, and the pictures and texts have been released in stages, and are still being upgraded. Now it integrates network technologies such as LANs and broadband networks into the printing layout. From simple to complex, from low level to high level, it solves the problems of graphic transmission, data sharing and other issues in the process of printing and typesetting. Digital document management gradually forms scale. The production capacity.
I can see from the development and actual application of typesetting technology that the times are developing and science and technology are improving. Only by constantly learning and mastering new technologies and using new technologies can we be invincible and not eliminated.
One case of side-sheet pull-out failure was not found in our J2108 offset press. However, the rules were very neat.
Upon inspection, it was found that the side gauge had not been pulled into place, and the paper handing teeth had been prematurely closed on the dental table, causing irregular paper pulls that were not in place. After careful inspection, it was found that the closed teeth of the paper-handling teeth were worn out, the side gauge roller had not been lifted yet, and the Tooth had pinched the paper. The paper teeth and the side gauge obviously had a paper-grabbing phenomenon. Adjust the worn-out wearer's closed tooth protrusion wheel. When the wheel wear is serious, it needs to be replaced. The test machine prints, and the regular pull paper is not in place.
An example of the problem of offset presses in offset presses. Our factory purchased a second-hand Heidelberg 102VP four-color offset press. The purchased aircraft was idle for more than one year in a single batch. After installation by our factory technicians, it can run normally after debugging.
The machine was first tested, and it was printed on offset paper. The printing sequence was black, cyan, magenta, and yellow, and the black version was imprinted. The color plate density and color plate alignment were all normal. After the change of coated copperplate paper, especially when the screen area of ​​the printing area was relatively large, it was found that the third color group had different shades of ink. First, it was determined that the ink roller was in trouble. After checking, the problem was still not resolved after high speed. After careful observation, it was found that the printed product had a dot ghost phenomenon.
analysis:
1. If the transfer ghost is caused by the poor handling of the grippers, that is, when the paper is displaced at the time of handover, ghosting should first appear on the first color group. Check the first color group proofs, the upper word, black line, flat screen, etc. from the mouth to the tip no ghost phenomenon. So exclude such factors.
2. The reason may be that the rules of the plate cylinder are aged, locked, and the plate cylinder moves axially or circumferentially. Check the printed products, the registration of the rules is accurate. It can also exclude the possibility of ghosting caused by the movement of the plate cylinder.
3. The rubber roller may be turbulent. The circumference of the rubber roller is measured with a dial indicator. The jitter value is 0.02 mm. Normal. When measuring the axial direction, the turbulence of the rubber roller is found to reach 0.8 mm. It seems that the problem is here.
Solution: Open the protective cover of the printing machine operation surface, take off the spring piece on the shaft head, check the thrust bearing outside the shaft sleeve, there is no damage; remove the shaft sleeve to continue checking, and find that the sleeve thrust bearing has been ground. Replace the new bearing, test machine inspection, rubber roller axial turbulence returned to normal, print ghost disappeared.
Recommendation: Do not over-tighten when installing the shaft spring while sleeping, otherwise it will accelerate the wear of the inner and outer bearings of the shaft sleeve. (Finish)
The complications caused by maintenance failures of electrical appliances were eliminated once. Our company's 08 machine malfunctioned and did not operate. Manually shaking the machine did not feel abnormally heavy. After inspection by the electrician, there was no problem with the button, the fuse was intact, and finally it was found that a relay was broken. After the replacement, the machine is turned on, but Federer stops after it stops. Suspected Federar has no problem, ... ... After this fault processing, we feel that the normal line is the guarantee for the normal operation of the machine, and it is even more important to improve the level of electrical engineering and sense of responsibility.
OS-02 three-side cutting machine stepless speed motor fault repair books and printing printing season, our plant a OS-02 three-side cutter failure, due to control of the speed of the small motor circuit and operation and other reasons, resulting in its absence A pair of synchronous spur gears on the main unit governor of the high-speed three-phase AC commutator motor each damaged 3 teeth, which is difficult to buy because of spare parts; the metal spare parts are designed by themselves, and the structure is complex, the process requirements are high, and the small machinery The factory refused to accept it, and the large machinery factory was reluctant to accept such reasons. As a result, the three-sided cutters were shut down, and the entire production line could not be operated and the book was published.
Under the urgency, we analyzed the structure of the parts and their stress conditions, and adopted the method of retaining the core and inserting the teeth to solve the problem. The specific operation method is: only the car to damage the spur teeth, make a tooth, and the core interference fit, with 3 diameter 2mm pin and the core can be sturdy.
This method is simple and quick to repair, and it enables the three-sided cutters to resume production in the shortest possible time, and has won time for us to publish books on time.
The use of new words in the printing and typesetting to describe the development and renewal of printing and typesetting technology is more appropriate. It is extremely appropriate to use this term to describe the changes in the typesetting process of our factory. In just a dozen years, our plant's printing and typographic technology has gone through lead strips, phototypes, and pictures, and the pictures and texts have been released in stages, and are still being upgraded. Now it integrates network technologies such as LANs and broadband networks into the printing layout. From simple to complex, from low level to high level, it solves the problems of graphic transmission, data sharing and other issues in the process of printing and typesetting. Digital document management gradually forms scale. The production capacity.
I can see from the development and actual application of typesetting technology that the times are developing and science and technology are improving. Only by constantly learning and mastering new technologies and using new technologies can we be invincible and not eliminated.
One case of side-sheet pull-out failure was not found in our J2108 offset press. However, the rules were very neat.
Upon inspection, it was found that the side gauge had not been pulled into place, and the paper handing teeth had been prematurely closed on the dental table, causing irregular paper pulls that were not in place. After careful inspection, it was found that the closed teeth of the paper-handling teeth were worn out, the side gauge roller had not been lifted yet, and the Tooth had pinched the paper. The paper teeth and the side gauge obviously had a paper-grabbing phenomenon. Adjust the worn-out wearer's closed tooth protrusion wheel. When the wheel wear is serious, it needs to be replaced. The test machine prints, and the regular pull paper is not in place.
An example of the problem of offset presses in offset presses. Our factory purchased a second-hand Heidelberg 102VP four-color offset press. The purchased aircraft was idle for more than one year in a single batch. After installation by our factory technicians, it can run normally after debugging.
The machine was first tested, and it was printed on offset paper. The printing sequence was black, cyan, magenta, and yellow, and the black version was imprinted. The color plate density and color plate alignment were all normal. After the change of coated copperplate paper, especially when the screen area of ​​the printing area was relatively large, it was found that the third color group had different shades of ink. First, it was determined that the ink roller was in trouble. After checking, the problem was still not resolved after high speed. After careful observation, it was found that the printed product had a dot ghost phenomenon.
analysis:
1. If the transfer ghost is caused by the poor handling of the grippers, that is, when the paper is displaced at the time of handover, ghosting should first appear on the first color group. Check the first color group proofs, the upper word, black line, flat screen, etc. from the mouth to the tip no ghost phenomenon. So exclude such factors.
2. The reason may be that the rules of the plate cylinder are aged, locked, and the plate cylinder moves axially or circumferentially. Check the printed products, the registration of the rules is accurate. It can also exclude the possibility of ghosting caused by the movement of the plate cylinder.
3. The rubber roller may be turbulent. The circumference of the rubber roller is measured with a dial indicator. The jitter value is 0.02 mm. Normal. When measuring the axial direction, the turbulence of the rubber roller is found to reach 0.8 mm. It seems that the problem is here.
Solution: Open the protective cover of the printing machine operation surface, take off the spring piece on the shaft head, check the thrust bearing outside the shaft sleeve, there is no damage; remove the shaft sleeve to continue checking, and find that the sleeve thrust bearing has been ground. Replace the new bearing, test machine inspection, rubber roller axial turbulence returned to normal, print ghost disappeared.
Recommendation: Do not over-tighten when installing the shaft spring while sleeping, otherwise it will accelerate the wear of the inner and outer bearings of the shaft sleeve. (Finish)
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