The purpose of the machine commissioning is to make the assembled machine in normal working condition, and it is also a comprehensive inspection of machine processing and installation accuracy. A good tuner can find out the problems of the machine through the tuning process, and at the same time reduce the possible harm to the minimum. The tuning process must be careful, and each step must be strictly followed in order to avoid accidents.
The following briefly analyzes the tuning process.
1. Make a full inspection of the machine before operation
It is mainly the installation condition of the machine couplings, positioning parts and anti-loosening parts. Whether there are other foreign materials on the machine or not, especially if the foreign matter is caught in the middle of two rollers, the machine will be seriously damaged.
2. Manual car
In front of the hand, all the wheels are currently used by the pinion to drive the movement of the big gear. This kind of labor-saving mechanism is more convenient to use. It was difficult to determine the uniformity of the rotation by using the root to force the gear to rotate.
3. Jog
The jog is mainly used to check the working status of the moving parts and circuits of the machine, to see whether the moving parts have interference phenomenon, whether the circuit works like a clutch and press mechanism, and it is possible to use a hand-moving and disengaging press mechanism to make the machine pressure or pressure. Check the smoothness of the separation.
Other control mechanisms can be manually checked in the case of jogging, such as movement of the transfer roller, transfer roller, and interlocking mechanism. Another important role of jogging is to check the transfer of paper on the driveline. Enter a piece of paper from the front gauge, and use jog to observe its status and movement at any point. If you find that the handover is not good, you can adjust it in time. Therefore, check the jog in both directions. Some parts do not interfere with each other on the right point, and opposing points may interfere with each other. Another important role of jogging is to check the bouncing and skewing of the rotating parts.
4. Long slow car
Make the machine slow and long, so that you can observe the working conditions of various parts of the machine in more cycles.
5. Empty car running at low speed
The low-speed operation of the empty vehicle refers to the operation at the lowest speed when the machine is working normally. It is mainly used to check the working condition of the oil circuit. If any problem has to be eliminated in time, the moving parts can be further observed to see if there is Abnormal phenomena exist, such as abnormal sounds. After stopping for a period of time, use the manual moving parts to see the connection, positioning and locking.
6. Empty car running at high speed
The high-speed operation of the empty car is mainly to check the stable operation of the machine and the working condition of the bearing. Some features of the machine do not show up at low speeds, and a pair of high speeds may show up as their inertia and impact increase.
7. Empty car at low speed
The low-speed paper transport mainly checks the paper transfer status, including whether the gas path work is abnormal or not, and whether the coordination at each interface is accurate, and if it is found inappropriate, it should be adjusted in time. It should be noted that several types of paper should be used when moving paper, so that some hidden problems can be exposed.
8. Empty high speed paper
The high-speed travel of the empty car mainly checks the stability of its paper feeding, and at the same time, it can also check the working condition of the gas line at high speed.
9. I'm running at a low speed
After the machine's water and ink paths are installed, installing the printing plate at a low speed mainly involves the influence of printing pressure on the operation of the machine. The inertial impact caused by the printing pressure may increase the vibration of the machine.
10. Load Wu Jian Tong
This step is to further check the stability of the machine load operation, which is very important. From a machine perspective, the machine should be in good working condition within the specified speed range.
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