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Oprettet 22. September 2021 kl. 10:36
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The contact area of ​​the mating surface is small

Fast wear speed: Due to the influence of the new reducer parts processing, assembly and debugging, the contact area of ​​the mating surface is small, and the allowable torque is large. During the operation of the reducer, the concave and convex parts of the surface of the parts fit and rub each other, and the metal chips that are ground down are used as abrasives to continue to participate in the friction, which accelerates the wear of the mating surface of the parts. Therefore, the parts (especially the mating surfaces) are likely to be worn during the running-in period, and the wear rate is too fast.

At this time, if the load is overloaded, it may cause damage to the parts and cause early failure.Poor Conveyor Pulleys lubrication: Due to the small fit clearance of the newly assembled parts, and due to assembly and other reasons, the lubricating oil (grease) is not easy to form a uniform oil film on the friction surface to prevent wear. Thereby reducing the lubrication efficiency, causing early abnormal wear of the machine parts. In severe cases, it will cause scratches or seizures on the friction surface of the precision fit, leading to failures.Looseness: the newly processed and assembled parts have deviations in geometric shape and matching size.

In the early stage of use, they are affected by alternating loads such as impact and vibration, as well as heat, deformation and other factors, plus excessive wear For other reasons, it is easy to loosen the originally fastened parts.Leakage occurs: due to the loosening of parts, vibration and the heat of the reducer, there will be leakage at the sealing surface and pipe joints of the reducer; some defects such as casting are difficult to find during assembly and debugging, but Due to the vibration and impact during the operation, this defect is exposed and manifests as oil leakage (seepage).

Therefore, leakage occurs occasionally during the running-in period.Many operating errors: due to insufficient understanding of the structure and performance of the reducer (especially new operators), it is easy to cause malfunctions due to operating errors, and even cause mechanical and safety accidents.

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