Park maintenance equipment wear stage maintenance

The first stage: run-in phase The new friction surface has a certain degree of roughness, the actual contact area is very small, so the beginning of the run-in, the wear is very fast, with the running of the continuous, rough surface protrusion gradually polished, the actual contact area gradually increased , The surface becomes more smooth and smooth, the wear rate gradually decreases.When the degree reaches a certain degree of stability, this time for the end of the run-in phase. The wear of this period is called the initial mill and the top. The run-in phase is a deliberate use of this stage for the slight wear and tear, creating conditions for stable wear and tear for normal operation. In this stage, for non-running equipment, should comply with the load

The first stage: run-in phase
The new friction surface has a certain degree of roughness, the actual contact area is very small, so the beginning of the run-in, the wear is very fast, with the running of the continuous, rough surface protrusion gradually polished, the actual contact area gradually increased , The surface becomes more smooth and smooth, the wear rate gradually decreases.When the degree reaches a certain degree of stability, this time for the end of the run-in phase. The wear of this period is called the initial mill and the top. The run-in phase is a deliberate use of this stage for the slight wear and tear, creating conditions for stable wear and tear for normal operation. In this stage, for non-running equipment, should comply with the load shedding, deceleration, reasonable operation and other provisions, plus low viscosity lubricants, as far as possible constant temperature. In addition, in order to shorten the run-in period can be used appropriate advanced technology, improve equipment utilization. After running, clean the lubrication system, use the quality requirements of the lubricating oil.
The second stage: stable run-in stage
This stage is a normal session. After running, the friction surface hardening. Micro-geometric changes, wear and slow stability. At the end of this phase, due to metal fatigue, wear is relatively accelerated, but can continue to work. When close to the metal's fatigue limit, the machine will regularly compulsory maintenance, to prevent the machine due to excessive wear and tear caused by mechanical and electrical accidents.
Park maintenance equipment wear stage maintenance
The third stage: intense wear stage
At this stage, due to the metal surface layer basically reached the fatigue limit, friction conditions have changed greatly (such as the sharp rise in temperature, the surface metal structure changes significantly, micro-geometric changes, the gap increases, the lubrication conditions change
Bad, etc.), so that the rapid growth rate of wear, mechanical efficiency, loss of accuracy, resulting in abnormal noise and vibration, coupled with changes in mechanical properties of materials, and ultimately lead to failure parts must be repaired.
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