Material Advantages: Bronze inherently possesses excellent friction-reducing properties, and the porous structure formed during the sintering process can store lubricant (e.g., after oil impregnation). During operation, frictional heat and pressure cause the lubricant to seep out, forming a stable oil film on the friction surfaces. This creates a "self-lubricating" effect, significantly reducing the direct friction coefficient between metals.
Wear Resistance: The hardness and toughness of bronze, combined with the cushioning effect of its porous structure, effectively disperse frictional stresses, reducing surface wear such as flaking and scratching caused by impact, vibration, or heavy loads. This extends the service life of bushings and mating shaft components, reducing equipment maintenance frequency.

Product Advantage
Self-lubricating and long-lasting wear resistance
The porous structure retains oil for continuous self-lubrication, reducing wear by over 30% compared to cast bushings and extending service life by 2-3 times.
Stable operating conditions
The bushings offer a temperature range of -20°C to 200°C. Passivated for resistance to moisture and light corrosion, they are suitable for a wide range of industrial environments.
Easy installation and error compensation
They support H7/H8 tolerances, and the porous elastic structure compensates for ±0.05mm installation errors, simplifying assembly.
Highly flexible custom manufacturing
The powder forming process supports full-size and custom-shaped configurations. Standard products are available for immediate shipment, with custom turnaround times of 7-15 days.

About bush bronze Manufacture
Jiande Welfine Technology Co., Ltd. is a light-duty bronze bushing manufacturer ,we have been deeply engaged in the powder metallurgy field for 21 years. Our 14,000 square meter, high-standard facility is equipped with 20 high-efficiency presses, four high-temperature sintering furnaces, and 15 precision shaping machines to ensure high-precision production. As a national high-tech enterprise, we have obtained ISO9001:2015 and IATF16949:2016 certifications, and our independent laboratory rigorously controls the quality of each batch of products. Our products include bearing bushings, graphite bronze bushings, self-lubricating bushings, and flange bronze bushings. We offer OEM customization services and, with our stable quality and professional after-sales service, we are your reliable partner for business success.
FAQ
Q: How long does the self-lubricating effect of this bushing last?
A: Under normal operating conditions, the lubricant in the oil reservoir of an oil-impregnated bushing provides long-term self-lubrication. If used in high-speed or heavy-load applications, it is recommended to inspect the bushing every 3-6 months and refill it with a small amount of lubricant as needed.
Q: What is the maximum operating temperature this product can withstand?
A: Standard models can withstand operating temperatures from -20°C to 120°C, while specially formulated models can withstand temperatures up to 200°C, meeting the high-temperature requirements of most industrial equipment.
Q: What is the corrosion resistance of the bushing?
A: The bronze base material itself has good corrosion resistance. After surface passivation, it can withstand humid, mildly acidic, alkaline, or dusty environments. However, it is not recommended for use in direct contact with highly corrosive media.
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