How to detect the screen 5055 phototypesetting machine

In recent years, with the development of computer direct plate making (CTP) technology and digital printing technology, the range of use of laser imagesetter has been greatly impacted, so with the widespread application of CTP technology and digital printing machines, the laser imagesetter What is the life expectancy? Can you continue to develop? This article will introduce you how to detect the screen 5055 phototypesetting machine.

The inspection was carried out in comparison with the row machine, but no obvious failure was found. Remove the upper cover of the cassette, open the photo-setting machine, and let the film enter the film manually. On the other hand, the hand-held motor of the photo-aligning machine automatically turns the wheel and finds that it is rotating, but the friction wheel of the collecting box The speed of rotation is slower. After shutting down, use your finger to move the wheel against the motorized wheel of the machine, and then add some resistance to the friction wheel of the box, and find that it does not rotate.

After careful observation, we can guess that this reason is caused by the long-term friction caused by the rotating wheel of the take-up motor and the friction wheel of the take-up box, which causes the rubber to age and wear, resulting in poor contact between the two rubber wheels. Generally, it can be adjusted by comparing the film collection with the elastic scale of the steel shrapnel on the back of the motor to solve the fault, but we found that at this time, the elastic scale has been adjusted to the maximum extent. Therefore, it is only necessary to consider the shrinking wheel on the take-up motor and the take-up box to eliminate the malfunction.

At the same time, in addition to the routine maintenance, the plate-making machine also needs to regularly check the wear of the gears, bushings, rubber rollers, chain tension, water-cooled liquid level and so on. In addition, since the rubber roller of the developing tank is in a soaking state for a long time, it is necessary to perform a counter-aligning operation periodically to ensure elasticity.

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