General methods of maintaining machines for offset presses
6.10 General methods of maintenance The above sections analyze some methods of machine maintenance from various angles. It can be seen that the premise of mastering these methods is to have a more detailed understanding of the internal structure of the machine, which requires the operator to have a higher quality. Each manufacturer's equipment has its own characteristics, so the operator must operate the machine strictly in accordance with the operating regulations. But printing machines have their similarities, so it is beneficial to master the general methods of maintaining machines. 1. Routing In the previous section, we analyzed the measures that should be taken for machine maintenance from the six major routings. In fact, this is the routing method. When servicing the machine, servicing the machine in accordance with the wiring method can avoid missing parts that should be maintained. 2. Ear Listening Some abnormal phenomena of the machine can often be expressed by sound, such as excessive pressure on the machine and some moving parts interfering with each other. 3. Visual method Through visual inspection, many faults can be eliminated in a budding state in time, such as double or multiple sheets entering the drum. No oil is flowing out of the nipple or oil is not dripping onto the parts that should be lubricated. 4. Touch Many hidden faults can be found through the touch of the hand, such as loose screws, bearing lack of oil and heat. 5. Test method The test method can accurately test the current state of the machine, such as the axis is not parallel, and the printing pressure is too large. The above methods can be used comprehensively to eliminate possible hidden dangers in time and keep the machine in good working condition.
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