Problems in the Use of Packaging Machine
Please call Zaozhuang Sunweigh Technology Co., Ltd. for maintenance telephone 86- 0632-3359032, and briefly explain the phenomenon of failure. The company will arrange professional staff to contact you at the first time.
The company will appoint professional and experienced after-sales personnel to guide maintenance. Do not dismantle or contact our after-sales staff directly (privately) in order to avoid causing greater losses. Do not disassemble the equipment by yourself unless you are instructed by the engineers assigned by the company!!! Because the equipment may not be out of order at all. If you need to buy products or accessories, please call Zaozhuang Sunweigh Technology Co., Ltd. Sales Telephone 86-0632-3359032.
一、 Incorrect packing - high weight or low weight:
1. The setting of instrument parameters is unreasonable.
(1) The range of zero points is too large, resulting in excessive error;
(2) The time delay after bagging is too short;
(3) The setting of fast or slow increments is unreasonable;
(4) The setting of prohibited comparative time is unreasonable.
2. Voltage instability of power supply;
3. Material in warehouse is too much or too little.
4. The scale body shakes and is fixed with bolts.
5. Cylinder or sensor locking screw loosening;
6. Grounding error, instrument and power repetitive grounding;
7. Slow increase is too big.
8. Installation of cylinder is unreasonable and operation is not smooth.
9. Solenoid valve aging or poor maintenance, the operation of the solenoid valve is not smooth;
10. The unclean air source causes dirty things in the solenoid valve and cylinder, which affects the pop-up of the solenoid valve and the operation of the cylinder.
11. Sensor aging, the output is not linear: detection sensor.
二、Equipment does not work:
Firstly, confirm the correct calibration of instrument weight and the correct setting of packing target value, fast and slow, and then confirm the correct gas link. Eliminate the above two points, the equipment is not running before the following checks:
三、The list of common faults and reference troubleshooting methods shows:
| Fault phenomenon | Fault diagnosis | Processing method |
| No display | Power Wire Opening | Check power supply |
| Digital display is unstable, the number jumps beyond the allowable range | Sensor damage or sensor cable joint loosening | Replacement of sensors or repair joints |
| Digital display is stable and normal but not in accordance with actual weight | Abnormal connection of internal and external stents | Check that there are no other force transmission channels between internal and external brackets except soft connection, such as mutual friction, winding of tracheal wires, etc. |
| Small and large winches, bag clamping mechanism (machinery) do not move or misoperate |
1. Mechanical failure 2. no power supply 3. Insufficient air pressure 4. Input and Output Signal Failure 5. Control program failure (usually not occurring) |
1. Check whether there is blockage, jamming, loose connection and drop phenomenon and eliminate it. 2. Check the power supply 3. Check whether the air pressure value meets the requirement and whether there is reciprocal phenomenon of air leakage connection. 4. Check whether the contact of the stroke switch is out of order 5. Re-enter programs or replace components |
| Static Accuracy Error |
1. Amplification gain variation 2. Degradation of Sensor Accuracy |
1. Clear the debris on the electronic platform scale and re-calibrate it. 2. Replacement of sensors |
| Excessive dynamic accuracy or long weighing period |
1. The digital display does not match the actual weight. 2. Sometimes there is no material in the hopper. 3. Slow feeding too fast 4. Improper air material setting |
1. Static calibration to ensure accuracy 2. Ensure hopper filling 3. Reducing slow feed rate 4. Adjust or re-measure the empty weight |
| Asynchronism of lift cylinder |
1. Unqualified debugging 2. Leakage of tracheal plug 3. Solenoid Valve Aging 4. Solenoid valve stuck in dirt |
1. Re-debugging 2. Replacement of tracheal plugs 3. Replacement of solenoid valves 4. Remove dirt and clean solenoid valves |
四、 Maintenance:
1. In order to ensure the normal and reliable operation of the equipment, special personnel are required to be responsible for regular maintenance and maintenance.
2. Check regularly whether the fasteners at each connecting part are loose or fall off.
3. Check the loosening and leakage of cylinder, solenoid valve and trachea connection frequently, and whether the connecting rod of cylinder is rusty. If rust is rusty, the equipment must be started after the rust is removed. Otherwise, the rust scratches the sealing parts of cylinder and causes air leakage of cylinder. Seals should be replaced in time when necessary.
4. When the machine stops for a long time, the residual materials in the equipment should be removed to prevent the accumulation of mildew and rust.
5. Every shift should check the working condition of the equipment and maintain it clean and hygienic.
6. Every shift should lubricate the lubricating parts of the equipment once. (Read the instructions of sewing machine carefully to keep lubrication.)
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Safety record of Lu Gong net Number 37040202006018 