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Oil-containing powder metallurgy bearings are self-lubricating bearings manufactured using powder metallurgy technology. During the production process, lubricating oil penetrates into the porous structure to form the self-lubricating properties of the bearings.
Due to the uniqueness of its manufacturing process, it has the advantages of low cost, high precision, and high production efficiency. It is suitable for mass production, which greatly reduces the customer's procurement cost. At the same time, it can also be flexibly customized according to specific needs.
Oil-containing powder metallurgy bearings have a low friction coefficient, which can effectively reduce the noise and vibration of the equipment and improve the smoothness of operation, making it perform well in various medium-load and medium-speed applications.
Due to the porosity of the bearing material, the lubricating oil of the oil-containing powder metallurgy bearing can be gradually released during use, providing a lasting lubrication effect. The self-lubricating function can greatly reduce the use and maintenance frequency of lubricants, thereby helping enterprises significantly reduce operating costs. It is widely used in automobiles, home appliances, power tools, office equipment and other fields, especially for mechanical equipment that requires long-term stable operation and low maintenance requirements.
Zhejiang Mingxu Machinery Manufacturing Co., Ltd. formerly known as Jiashan Mingxu Precision Machinery Factory, was founded in 2011. The company is located in the hinterland of the Yangtze River Delta Integrated Development Demonstration Zone, with location and convenient transportation. With more than ten years of manufacturing and R&D experience, the company has been deeply involved in the development and production of solid lubricating bearings, skateboards, slideways, and sliders. The product manufacturing adopts modern automation equipment, strictly implements the ISO2000 quality management system standard, and the main processes are processed by high-precision CNC machines. OEM Oil-containing Powder Metallurgy Bearing Manufacturers and Custom Oil-containing Powder Metallurgy Bearing Factory in China. The company's main products cover a series of products such as JDB solid inlaid self-lubricating bearings, steel-copper sintered bearings, SF-1 self-lubricating bearings, SF-2 boundary self-lubricating bearings, and FB090 copper bearings. Widely used in automobile industry, construction machinery, metallurgical equipment, mining machinery, injection molding, mold, textile, printing and many other machinery manufacturing fields; provide Custom Oil-containing Powder Metallurgy Bearing. Till now, the company's products have spread all over China and exported to many foreign countries, and are deeply recognized and loved by domestic and foreign customers.
Mingxu Machinery adheres to the service tenet of "quality-oriented high-quality service", and strive to provide customers with professional products and services. The company will continue to introduce talents, improve the management mechanism, integrity, development, innovation, and strive to build a world-class brand.
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Powder metallurgy oil-containing bearings do not need to be refueled for a long time. This type of bearing uses its porous structure and pre-lubricating oil design to be able to supply oil by itself during operation, avoiding the trouble of regular refueling of traditional bearings.
The working principle of powder metallurgy oil-containing bearings is based on its porous structure and the characteristics of lubricating oil. When the bearing is working, due to frictional heat generation, the bearing matrix expands, the pore volume shrinks, and the lubricating oil is squeezed to the working surface to play a lubricating role. At the same time, when the shaft rotates, it drives the air to overflow, forming a pressure difference, which causes the lubricating oil to be sucked from the pores to the working surface. When the bearing stops working, the bearing cools down, and most of the lubricating oil penetrates into the pores again, and a small part remains on the surface, so that the bearing can avoid dry friction when it runs again.
The characteristics of powder metallurgy oil-containing bearings include low cost, vibration absorption, and low noise. They are particularly suitable for working environments that are not easy to lubricate or do not allow oil to be dirty. Its porosity is an important parameter. According to different working conditions, powder metallurgy bearings with different oil contents are selected. When the oil content is high, it can be used without supplementary lubricating oil and under low load; when the oil content is low, it can be used under heavy load and high speed.
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