
Self Lubricating Bush Sleeve for Excavators Hydraulic Cylinders
DALON self-lubricating sintered bronze bushing are manufactured of pressed copper and tin powders by sintered technology and impregnated with lubricating oil and high porosity (20-25% in volume). The oil contained in the porosity provides a constant lubrication between bearing and shaft, the system does not need any additional external lubricant, allows this type of sintered bronze bushing to work under hydrodynamic conditions. which resulting in a very low friction coefficient and maintenance-free for general engineering applications.
Product Introduction
In the midst of a fierce competitive market environment, our transmission bushing, Porous Plastic filter, graphite filled 841 bronze bearing is competitive with a certain brand effect. We strive to provide customers with the highest quality products, the most cost-effective solutions, and the fastest response speed. We recognize that brand building should be combined with corporate culture, and increase the excavation, refinement, summary, innovation and enhancement of corporate culture.


DALON BUSHING INTRODUCTION:
DALON Self Lubricating Bearing in Powder Metallurgy consist of a sintered bronze body. The main feature of Self Lubricating Bearing in Powder Metallurgy is their porous design, which contains oil lubricant, which should be the viscosity decrease due to increasing operating temperatures due to friction, the oil leaks out. At higher speed, a lubrication wedge develops, which lowers the bushing's friction.
The powdered metallurgy process is a mass production process that can reduce costs to a level that can be startlingly low when compared to CNC machining. An added benefit of the sintered Self Lubricating Bearing in Powder Metallurgy are the unique pores that are formed in the structure of the metal. These pores can serve as a reservoir for lubricant, providing a passage to the bearing surface. This unique feature adds the benefit of self-lubrication to many powdered metal bearings.
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Material Specifications |
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Composition |
Density |
Porosity |
K Strength Constant |
Tensile Strength |
Elongation |
Yield PSI |
Comparable Designations |
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(gm/cc) |
(% by Vol.) |
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(in 1" %) |
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Copper 87.5-90.5 |
6.4-6.8 |
19 min |
26,500 |
14,000 |
1 |
11,000 |
ASTM B-438-70 |
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Iron 1.0 max |
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GR1 Type II |
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Tin 9.5-11.5 |
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MPIF CT-0010-R |
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Carbon 1.75 max |
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Mil-B-5687C |
Storage of Self Lubricating Bearing in Powder Metallurgy – These bearings must be stored in non-absorbing containers. Do not store in paper or cloth container. Do not store in cardboard boxes. The best containers are made of plastic or metal.







self lubricating bearing in powder metallurgy
In order to continue to enhance our Self Lubricating Bush Sleeve for Excavators Hydraulic Cylinders and provide more sophisticated features and performance, we actively introduce and learn from advanced technologies. After continuous development and growth, we have formed our own characteristic development model. We take high-quality talents as the foundation, technological innovation as the driving force for development, strictly follow our quality, technology and service commitments, and wholeheartedly provide customers at home and abroad with high-quality products and satisfactory services.
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