BNTFLEX-MADE EN CHINE
À quoi faut-il faire attention lorsque la machine de sertissage de tuyau échoue
Heure d'émission:
2022-01-18
What Should Be Paid Attention To When The Hose Crimping Machine Fails It is absolutely essential that the hose crimping machine encounters failures during use. If you encounter some minor faults, friends who know some mechanical maintenance can probably solve them quickly, but once there are some major faults in the locking machine, it is not so easy to solve. Then it indicates that the locking machine may need an overhaul. So what elements should we pay attention to before overhauling? 1. Technical appraisal before overhaul At present, some overhauls of the crimping machine are mostly repairs to restore its performance. After the machine has been running for a long time, the aging of the main components and assemblies has reached the limit, so all the machines should be carried out. Dismantled, cleaned, inspected and repaired to make it perform to factory standards. Before the overhaul of the crimping machine, a technical appraisal shall be carried out, which shall be presided over by the technical person in charge of the user unit, with the participation of management, maintenance and drivers, and the pressure, flow, temperature and torque of the various parts of the machine before they are disassembled. Review technical files and operation records and other materials, examine the consumption of fuel and lubricants in detail, and make detailed records. Then compare with the relevant overhaul parameters provided by the original manufacturer to determine whether overhaul is required. The main technical conditions that determine whether a crimping hose machinery needs an overhaul are: (1) The engine power performance index drops by more than 20%; the oil consumption exceeds more than 1 times the rated value; the cylinder pressure of the engine does not reach 60% of the specified index when the temperature reaches 45 ℃ or more. (2) The wear of the main parts of the transmission mechanism has reached the limit, and there are phenomena such as yaw, abnormal noise, impact and jitter. (3) After the steering mechanism is worn, the clearance is too large, and the operation fails; the gears and shafts of the transmission are severely worn, and the gear shift is difficult or frequently skips; the braking mechanism is severely worn, and the braking performance decreases or fails, and cannot be adjusted. (4) The main body of the frame is deformed or cracked; the working device is seriously worn and the operation fails; the normal workload cannot be completed, or the operation accuracy cannot meet the requirements; the traveling mechanism is severely worn and cannot work normally. 2. Selection of overhaul method When the hose-crimping machine is overhauled in the factory, each part should be disassembled, measured, inspected and identified, and the wear detection of each part of each assembly, the cylinder liner, crankshaft, etc. of the engine should be carried out to obtain whether basis for replacement. Generally, the moving parts with greater wear and tear need to be replaced; for some parts that are inconvenient to replace, it is advisable to use welding repair, thermal spraying, electric brush plating and chrome plating to restore their original design dimensions. If the quality is not guaranteed, the parts to be replaced should be purchased from the original manufacturer or the designated cooperative manufacturer as required. Maintenance methods are divided into: on-vehicle repair and replacement assembly repair. The car repair method is to remove the parts from the machine in turn during the repair process, clean, test, classify and repair or replace them, and then reassemble them to restore performance. The on-vehicle repair method takes up a long time for downtime for repairs. Replacing the assembly repair method is that in the repair process, in addition to refurbishing the original frame, it is only necessary to remove all the remaining damaged assemblies or accessories and replace them with pre-prepared (or repaired) assemblies or accessories. , and then assembled into a complete machine repair method. This method can greatly reduce the repair time of downtime, which is beneficial to improve the repair work efficiency, reduce the cost and ensure the repair quality. This is also the most popular maintenance method in the American maintenance system, which is of great significance for the user to improve the integrity rate, utilization rate and production efficiency of mechanical equipment. 3. Precautions ⑴ Pay attention to eliminate potential safety hazards. During the overhaul process, attention should be paid to eliminating potential safety hazards, such as: adjusting the brake clearance, replacing the worn clutch friction plates and making the cab seat to be easily adjusted up and down, as well as eliminating some that are likely to cause injuries to drivers and maintenance personnel and machine failures security risks. Strengthen the driver's awareness of labor protection. When carrying out th
What Should Be Paid Attention To When The Hose Crimping Machine Fails
It is absolutely essential that the hose crimping machine encounters failures during use. If you encounter some minor faults, friends who know some mechanical maintenance can probably solve them quickly, but once there are some major faults in the locking machine, it is not so easy to solve. Then it indicates that the locking machine may need an overhaul. So what elements should we pay attention to before overhauling?
1. évaluation technique avant révision À l'heure actuelle, certaines révisions de la machine de sertissage sont principalement des réparations pour restaurer ses performances. Après que la machine fonctionne depuis longtemps, le vieillissement des principaux composants et assemblages a atteint la limite, de sorte que toutes les machines doivent être effectuées. Démonté, nettoyé, inspecté et réparé pour le faire exécuter aux normes d'usine. Avant la révision de la machine à sertir, une évaluation technique doit être effectuée, qui doit être présidée par le responsable technique de l'unité utilisateur, avec la participation de la direction, de la maintenance et des conducteurs, ainsi que de la pression, du débit, Température et couple des différentes parties de la machine avant leur démontage. Examiner les dossiers techniques, les registres d'exploitation et d'autres matériaux, examiner en détail la consommation de carburant et de lubrifiants et dresser des registres détaillés. Ensuite, comparez avec les paramètres de révision pertinents fournis par le fabricant d'origine pour déterminer si une révision est requise.
The main technical conditions that determine whether a crimping hose machinery needs an overhaul are:
(1) The engine power performance index drops by more than 20%; the oil consumption exceeds more than 1 times the rated value; the cylinder pressure of the engine does not reach 60% of the specified index when the temperature reaches 45 ℃ or more.
(2) The wear of the main parts of the transmission mechanism has reached the limit, and there are phenomena such as yaw, abnormal noise, impact and jitter.
(3) After the steering mechanism is worn, the clearance is too large, and the operation fails; the gears and shafts of the transmission are severely worn, and the gear shift is difficult or frequently skips; the braking mechanism is severely worn, and the braking performance decreases or fails, and cannot be adjusted.
(4) The main body of the frame is deformed or cracked; the working device is seriously worn and the operation fails; the normal workload cannot be completed, or the operation accuracy cannot meet the requirements; the traveling mechanism is severely worn and cannot work normally.
2. Selection of overhaul method When the hose-crimping machine is overhauled in the factory, each part should be disassembled, measured, inspected and identified, and the wear detection of each part of each assembly, the cylinder liner, crankshaft, etc. of the engine should be carried out to obtain whether basis for replacement. Generally, the moving parts with greater wear and tear need to be replaced; for some parts that are inconvenient to replace, it is advisable to use welding repair, thermal spraying, electric brush plating and chrome plating to restore their original design dimensions. If the quality is not guaranteed, the parts to be replaced should be purchased from the original manufacturer or the designated cooperative manufacturer as required.
Maintenance methods are divided into: on-vehicle repair and replacement assembly repair. The car repair method is to remove the parts from the machine in turn during the repair process, clean, test, classify and repair or replace them, and then reassemble them to restore performance. The on-vehicle repair method takes up a long time for downtime for repairs.
Replacing the assembly repair method is that in the repair process, in addition to refurbishing the original frame, it is only necessary to remove all the remaining damaged assemblies or accessories and replace them with pre-prepared (or repaired) assemblies or accessories. , and then assembled into a complete machine repair method. This method can greatly reduce the repair time of downtime, which is beneficial to improve the repair work efficiency, reduce the cost and ensure the repair quality. This is also the most popular maintenance method in the American maintenance system, which is of great significance for the user to improve the integrity rate, utilization rate and production efficiency of mechanical equipment.
3. Precautions
⑴ Pay attention to eliminate potential safety hazards. During the overhaul process, attention should be paid to eliminating potential safety hazards, such as: adjusting the brake clearance, replacing the worn clutch friction plates and making the cab seat to be easily adjusted up and down, as well as eliminating some that are likely to cause injuries to drivers and maintenance personnel and machine failures security risks. Strengthen the driver's awareness of labor protection. When carrying out the dangerous experiment of the machine, there should be enough space and protective facilities around (for example, the excavator engine is prone to disintegration and injury accidents during the maximum load operation experiment).
(2) To carry out technical performance test after maintenance. The repair quality of mechanical equipment is the main indicator to measure the maintenance level, and it is the key to whether the user unit is satisfied and whether the repair unit can survive and develop. The technical performance test of mechanical equipment is based on the "Mechanical Management Specification", "Mechanical Quality Standard" and the main technical parameters provided by the original manufacturer. After the overhaul, the mechanical equipment should be tested for technical performance, and the overhaul evaluation will be given. For the mechanical equipment that has been repaired from the factory, if there is a repair quality problem in the process of correct use, the maintenance manufacturer should provide timely on-site service to solve the problem for the user.
(3) Faites un bon travail dans le service de suivi après la révision. Un dossier d'entretien pour réviser les machines de tube de verrouillage doit être établi, et l'unité de réparation doit s'assurer que les machines de tube de verrouillage réparées peuvent atteindre les performances spécifiées et le bon état d'utilisation dans un certain délai. Si une défaillance générale se produit pendant cette période, ceux qui peuvent être éliminés après le réglage doivent être résolus par l'utilisateur. Comme en raison de grands changements. Lorsque les pièces sont endommagées, les fuites d'huile graves, les fuites d'eau, les fuites d'air et les fuites d'électricité doivent être démontées pour réparation, l'unité de réparation doit informer l'unité de réparation d'inspecter et de réparer conjointement à temps pour réduire les temps d'arrêt et rendre l'équipement réparé plus fiable. La machine peut être maintenue en bon état de fonctionnement autant que possible. Certaines des précautions que nous avons mentionnées concernant la révision du moule de la machine à rétrécir les tubes sont très importantes. Ne le prenez pas à la légère, non seulement la refonte du moule de la machine de verrouillage de tube doit prêter attention aux questions ci-dessus, on peut dire qu'il comprend toutes les machines. La maintenance est comme ça. Donc tout le monde doit le lire attentivement.
Mot-clé:
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