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Marks the direction of a greater impact on the wear and tear. If the two marks the direction of the friction surface is parallel to, and consistent with the direction of motion. Then wear a small. If the two marks the direction parallel to the friction surface, but perpendicular to the direction of motion, then wear a large.

The impact of lubrication on the wear and tear

Lubrication to reduce wear on parts has an important role. For example, liquid lubrication to prevent adhesive wear; supply of clean lubricant friction to prevent abrasive wear; right choice lubricating materials can reduce the corrosive wear and fatigue wear. For good lubrication in mechanical friction to maintain sufficient lubricant to reduce friction of metal to metal direct friction, lower power consumption, extend the service life of parts to ensure the normal operation of equipment.

Assembly and installation quality of the impact of wear and tear

Mechanical assembly quality a great impact on the wear and tear, especially with the gap should not be too large or too small. When the gap is too small and difficult to form a liquid friction, the friction prone to high heat, and not easy to shed. It is easy to produce adhesive wear and friction phenomena killed when the gap is too large n, the same is not easy to form a liquid friction, and will have an impact load increased wear. Assembled components or machines should only do the installation. If not installed correctly, will cause uneven load distribution or generate additional load, the machine operation is not flexible. Generate noise and heat. Cause premature wear and tear parts.

Vice structural features mechanical movement. Cook and the nature of the wear and tear of exercise.Different types of friction wear and tear of the case is not the same. Such as wear and tear of rolling friction is much less than sliding friction wear, usually rolling friction for the sliding friction wear of 1 / 10 -1/100 or less.