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Strive to improve the process to ensure the quality of motor repair. In accordance with the overhaul process requirements, in order to prevent the insulation of the main pole coil from aging, and to ensure the integration of the iron core and the coil, all the main pole stator wires are removed, and the coil insulation is aged and re-insulated to the ground, and the corrected inner diameter is checked. After the pole coil is heated, it is solidified with an accommodating felt to achieve integration. At the same time, the stator's overall secondary vacuum pressure immersion paint and stator spray surface lacquer were realized. The rotating shaft of the shaft is 1.10, which ensures that the contact surface reaches 80 or more, which prevents the uneven force of the pinion meshing, and the vibration and noise are too large to make the bearing easy to burn.
Brush holders are now all converted to silicone rubber insulated cables, brush holders and all kinds of insulation materials are replaced with new ones. The motor lead wires are also all changed to soft connecting wires, and at the same time, special attention is paid to the fact that the tins of the nose are full, thereby preventing the wires from being overheated due to insufficient contact area of ​​the conductors and being easily broken. In order to further improve the motor integrity rate, carefully check the double bearing bush oil tank and various parts. By using the process of detecting the bearing shaft hole, the non-deformable ductile iron processing is used to detect whether the oil tank body is out of tolerance, and the original precision is repaired by welding, planing, grinding, boring and the like. According to statistics, due to the motor over-cylinder oil tank over-the-counter needs to be repaired, the total number of 20. Because the motor holds the shaft screw hole needs to be repaired, accounting for 30 of the total.
To ensure the safe operation of the locomotive and to do the after-sales service of the motor for many years, we have always emphasized that all for the user, all to ensure the safe operation of the locomotive. Conscientiously implement the various work arrangements of the Locomotive Department, and according to the needs of the users of each locomotive section, we must complete the repair tasks on time and in good quality, and establish the files of the users. Frequent visits are made to track the factory motor. Record all kinds of problems reflected in the operation of the locomotive in time, and study the feedback processing. Take corrective action for the cause. Thereby, continuous improvement of quality is effectively achieved. The motor that has been repaired by our factory not only conforms to the current technical standards, but also adapts to different households to meet potential use requirements.
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Xinxiang Tianrui Hydraulic Equipment CO.,LTD , http://www.filterelement.pl