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              1. Home > News > Industry News

              Causes and treatment of failures of loader working devices

              Date:2020-12-12 15:14:14 Hits:

              In the process of assembling and using the working device of the loader, there are mainly the following problems: (1) Difficulty in assembling. Parts cannot be installed or hinged joints cannot be rotated flexibly after assembly. At this time, it needs to be disassembled for flame correction or to be corrected on the mold. Sometimes several parts can be assembled, but due to excessive parts tolerance, it is easy to cause local wear and interference, leaving hidden dangers. (2) A quality accident occurs after the whole machine is assembled and used for a period of time. For example, the rocker arm is bent and twisted, the boom is deformed, the beam is welded, the bucket is pulled diagonally torn, the hydraulic cylinder is strained and the oil leaks, and the piston rod is bent.


              The main reason: In the manufacturing process of the working device, due to poor welding accuracy, it is difficult to assemble, which makes the parts of the machine work abnormally, causing wear and damage; the unqualified hydraulic cylinder is also an important factor that causes the difficulty and damage of the working device. . The damage to the working device of the loader is generally concentrated on the front frame, boom and hydraulic cylinder.


              Solution: Improve or redesign the welding tooling; strictly control the welding and processing quality of each component, and abide by various processes and operating procedures; strengthen the detection of hydraulic cylinders, and carry out strict inspections on booms, bucket hydraulic cylinders, etc. Quality Control.


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