Tangshan plough parts manufacturers will introduce to you: agricultural machinery maintenance methods

1. Adjust the transposition method to compensate for the wear of parts by increasing or decreasing gaskets, adjusting screws and tightening nuts. For example, the clearance of worn tapered roller bearings is adjusted by increasing or decreasing the gasket, the valve clearance is adjusted by screws, and the clutch clearance is adjusted by adjusting nuts. Interchange worn parts in one direction or position, i.e., continue to work with unworn parts. For example, the left and right sides of tractor drive wheel tires are interchangeable; After the unilateral wear of the drive sprocket teeth of the crawler tractor, the left and right wheel teeth are used interchangeably.

 2. Welding repair method The welding repair method is to repair parts with a certain welding method. For example, the cylinder block, cylinder head, gearbox housing and rear axle housing of a tractor are all made of cast iron. The metal consumables are large, the structure is complex, the processing accuracy is high, and the manufacturing cost is expensive. It is repaired by cold welding. Cracks, breaks, and holes in such parts are economical and simple, and vibration overlay can be used to repair tractor axles and wheel parts. 

3. Glue and glue repair method Glue and glue repair is a repair process that uses adhesives to join various materials. For example, using inorganic glue to repair cracks in engine cylinder heads and intake and exhaust valve lintels; Use glue to fill small holes in the side walls of the tractor body; Severe pits near the sink can be repaired by filling with glue. 

4. Additional parts method The additional parts method is to use special parts to assemble them on the worn or damaged parts of the parts to compensate for the wear or damage of the parts and make the parts meet the technical requirements. For example, if the cylinder block is broken, you can drill screw holes in the valve body and add asbestos pads and pressure plates to secure it with screws to plug the leak. The threaded hole can be enlarged when the internal thread of the threaded hole is damaged by more than two buttons or when the bolt is screwed in and the amount of loosening is large. Screw in the steel plug and tap the standard thread in the inner hole of the plug. In order to prevent the plug from loosening, a small hole can be drilled at the connection between the plug and the cylinder block and a steel nail can be driven. 

5. Local repair and replacement method The method of local repair and replacement is to replace or remove the damaged or worn parts of the parts, and replace and manufacture new parts again to make them meet the technical requirements and continue to be used. For example, the individual teeth of some gears can be repaired by the insertion method; If a single blade of the rotary tiller is damaged, the single blade of the rotary tiller can be replaced, and if the rotor coil of the DC generator is damaged, it can be rewound.

6. Methods of repairing and restoring size

Some parts, especially those that are more expensive and more complex in design, are damaged during use or have natural wear and tear beyond a certain limit, so their fit cannot meet the technical requirements, and the correct matching relationship can be achieved and restored through machining. Dimensions that meet the technical requirements. For example, if the crankshaft and bearing exceed the service limit due to combustion or natural wear, the mating clearance and geometric dimensions exceed the service limit, and the increased bearing is used to achieve the normal fitting clearance by grinding the shaft; Gear teeth are worn or broken, which can be welded by electric welding and then machined to meet dimensional requirements; The upper face of the precision coupling plunger sleeve, the lower end face of the oil outlet valve seat, the lower end face of the injector body, and the upper end of the injector needle valve body. These end faces require high sealing performance. When rust spots or uneven surfaces appear on the surface, they can be individually hand-sanded on a dedicated cast iron platform.

The above is the agricultural machinery maintenance method introduced by Tangshan plough parts manufacturers for you, if you have other questions, welcome to consult us!