The product categories produced by Hubei Kaihang Intelligent Equipment Co., Ltd. include various types of gear reducers, planetary gear reducers and worm reducers, as well as various special transmissions, such as speed increase devices, speed control devices, and flexible transmission devices. Various types of composite transmissions, etc. Its service areas include metallurgy, nonferrous metals, coal, building materials, ships, water conservancy, electric power, engineering machinery and petrochemical industries. This shows that we can fully explain that we should work the old reducer again. The following is a brief description of the remanufacturing process for a gearbox that has failed:
First, the reducer receives
1. The equipment enters the factory to take photos, make a record, wear labels, and push into the remanufacturing production line;
2. Clean the appearance of the reducer first, and clean the surface oil and dust;
3. Discharge the lubricating oil inside the box;
Second, the speed reducer decomposition
1. Before the disassembly, print the corresponding mark in each corresponding position, and make a paper text record, and keep the file for investigation;
2. Record the part number and bearing model in the dismantling, all protective parts of all parts shall be dismantled, and if necessary, dismantle and dismantle the unit for consultation;
3. Measuring axial enthalpy;
4. Check the gear meshing;
5. Check the end of the planetary gear to jump;
6. Measuring bearing clearance;
7. Make a record of the dismantling process (written text records, photos, videos);
Third, lifting
1. Bearings, gears, etc. are hoisted with slings, and parts such as casings are hoisted with steel wire ropes;
2. Ensure equipment and personnel safety when lifting;
Fourth, cleaning
1. Cleaning parts;
2. Inspect and clear the oil passage;
3, do a good job of rust and dust prevention;
4. Classify and store qualified parts, repaired parts and scrapped parts;
V. Parts inspection and measurement
1. Check the gear tooth surface, bearing, bearing position, etc. for obvious damage;
2. Measure the matching size of the bearing with the shaft and the hole, and measure the interface size of the joint;
3. Issue a test report based on inspection and measurement data, and the test report should be comprehensive and systematic;
Sixth, maintenance plan
1. According to the test report, develop multiple maintenance plans one by one, and propose an optimizable plan for the unit to be sent to repair;
2. After the internal maintenance of the maintenance plan, the repairing unit, equipment management department and equipment demand unit are invited to the site for inspection, and the maintenance plan is submitted to the repairing unit, equipment management department and equipment demand unit for review and confirmation;
7. Parts maintenance, external processing and repair, purchase of purchased parts
1. Grinding and processing the burrs and high points of the damaged parts of the parts;
2. The parts that can be repaired and used are processed according to the technical requirements, and the process acceptance is carried out;
3. Parts that need to be replaced and optimized for external procurement;
4. After the purchased parts arrive, the inspection will be carried out to ensure the quality of the purchased parts;
Eight, reducer assembly
1. According to the maintenance plan, check and confirm each component, and record the part number and important size;
2. Measure the free play before the bearing is installed, and measure the bearing size of the bearing;
3. Adjust the axial amount and adjust the gear meshing. After the adjustment pad is finished, the final data is retained.
4. During the assembly process, the repairing unit will carry out process tracking and acceptance;
5. The interior of the reducer must be cleaned during the assembly process;
6. All the connecting bolts should be screwed with glue, tightened according to the torque requirements, and well protected against looseness;
7. The oil passage inside and outside the box is confirmed to be blown and sealed.
Nine, test, acceptance
1. Manually drive the car to confirm whether the operation is smooth;
2. Connect the lubricating oil station and the drive system to carry out the oil circulation of the reducer;
3. Carry out a no-load test run and make a test run record;
Ten, painting, packaging
1. Clean the internal oil storage of the reducer;
2. Block the bare interface;
3, the appearance of cleaning, the overall painting;
4, the reducer is made of rainproof packaging
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