
Hydraulic System Components -Self Lubricating Joint Bushing a-Type
POWDER METALLURGY BUSHING are an indispensable element of machinery, and DALON is professional manufacturer in P/M development and production. Since 2002, we produce and design high quality POWDER METALLURGY BUSHING for our customer requirements.
Product Introduction
Our company insists on continuous reform and innovation in product development, business management and service in order to pursue new breakthroughs. We always put the interests and needs of customers in the first place, carefully and attentively to provide our users with Plastic Air Silencer, Self Lubricating Bronze Bushing, Sintered Iron Fan Bushing of superior cost performance. Our company in line with the 'technology first, people-oriented' principle, we have achieved value-added performance in the short-term operation. We are in firm belief that continuously improving independent innovation is the source of enterprises' sustained development. For us, we need to capture competitive market share and maintain a steady increase in market share. The optimization of the corporate governance structure is a major strategic issue for the development of the company, which has gradually emerged and evolved with the deepening of corporate reform.
DALON SINTERED BRONZE BUSHING INTRODUCTION:
DALON self-lubricating Powder Metallurgy Bushingg 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 Powder Metallurgy Bushing to work under hydrodynamic conditions. which resulting in a very low friction coefficient and maintenance-free for general engineering applications.
DALON BUSHING PROPERTIES
GENERAL | Unit | Value | |
Maximum load, p | Static Dynamic | N/mm2 N/mm2 | 20 10 |
Operating temperature | Min Max | °C °C | -180 +300 |
Minimum density | g/cm3 | 6.2 | |
Minimum apparent porosity | % | 20 | |
Maximum sliding speed, U | m/s | 0.1 - 6.0 * | |
Maximum pU factor | N/mm2 x m/s | 0.1 - 1.8 * | |
Coefficient of friction | 0.05 - 0.25 * | ||
Surface roughness, Ra | µm | ≤ 0.3 - ≤ 0.6 | |
Surface hardness | HB | > 240 - > 355 | |
DALON BUSHING MATERIAL STRUCTURE
MATERIAL CODE | BASIC METAL | ALLOY COMPOSITION |
Bronze based | SAE841 ASTM B438-70; SintA50 | Cu87.5~90.5,Fe1.0max,Sn9.5~10.5; CuSn663 |
Standard material specifications include: SAE 841, ASTMB 438 Grade 1 Type II,
CuSn 6-6-3, Sint B 50 & Standard impregnating oil conforms to SAE 30 specifications
Sintered Bronze and iron based self-lubricating bushings are made of two different functions:
The metallic alloy structure which supports and transfers the mechanical loads
The oil lubricant or graphite contents which separates two surfaces in relative motion and to reduce friction.



POWDER METALLURGY BUSHING are an indispensable element of machinery, and DALON is professional manufacturer in P/M development and production. Since 2002, we produce and design high quality POWDER METALLURGY BUSHING for our customer requirements.
POWDER METALLURGY BUSHING TO HEAVY-DUTY INDUSTRIAL APPLICATIONS
POWDER METALLURGY BUSHING have superb values in all engineering applications.
The properties of POWDER METALLURGY BUSHING are significantly defined by the high level of precision in manufacture and the porosity of the sintered material. POWDER METALLURGY BUSHING are deployed in almost all fields of industrial area, which from simple plain bearings used in wide range of engineering to high-load bushings in heavy-duty industry.






Our vision is to strive to build the preferred brand of the Hydraulic System Components -Self Lubricating Joint Bushing a-Type industry and become the best choice for quality customers and industry elites. Our company's management tenet is: take the quality as the foundation, take the specialized service as the foundation and take the supreme prestige as the guarantee. The employees have found their own position in our company, played their energy to a great extent and found a paradise to realize the value of life.
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