Historical sources of Self-lubrication straight bush


2023-02-21 16:52

Self-lubrication straight bush tells you that bushings are the parts that are commonly used to fill gaps between parts. A bush in a narrow sense refers to a bearing. Bearings are parts that support a rotating shaft. The parts that support the rotating shaft inevitably experience friction. To alleviate this friction, bearings must be used to keep the rotating shaft in the correct position.

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Self-lubrication straight bush is a bearing that does not require lubrication, that is, it can run without adding lubricating oil. Also known as oil-free bearings.
At the end of the 18th century, French physicist Coulomb discovered that the law of friction force proportional to the normal force is still applicable today 200 years later. In Moore's "Fundamentals of Ultra-Precision Machinery", it is pointed out that the four technologies of "geometric shape (plane)", "length standard", "circumferential division" and "true roundness (cylindrical)" are the basis.
Sliding bearing is a mechanical component with "friction" and "column" as keywords, Self-lubrication straight bush tells you that since it was used as the main shaft of transportation equipment such as horse-drawn carriages, although its form has changed, it is still used as a The main mechanical parts are used in machinery such as gasoline engines.
The origin of the Self-lubrication straight bush is a sliding bearing made of sintered metal that absorbs lubricating oil in its porous space developed in the early 20th century. type products were developed.

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