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DALON BUSHING INTRODUCTION:

DALON self-lubricatingShaft Bushingare manufactured of pressed copper and tin powders by sinter 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 Shaft Bushing to work under hydrodynamic conditions. which resulting in a very low friction coefficient and maintenance-free for general engineering applications.

System of Measurement	Inch / Metric
Bearing Type	Plain
Plain Bearing Type	Sleeve / Flange / Spherical * with Ring
For Load Direction	Radial
Material	SAE841 Bronze(CuSn9010) / 663 /A50-B50
Tolerance Standard	F7 r7 Js13
Lubrication Method	Embedded Lubricated
For Shaft Type	Round
Shaft Mount Type	Slip Fit

 

Load Direction:

All Shaft Bushing are designed to handle radial loads, thrust loads, or a combination of the two. Radial loads are perpendicular to the shaft. Thrust loads are parallel to the shaft. Sleeve bearings handle radial loads. Flange sleeve bearings handle both radial and thrust loads. Thrust bearings handle thrust loads.

Startup friction causes these porous Shaft Bushing to release a thin layer of oil on the bearing’s surface.

DALON Shaft BushingFAQ:

Q: Bushing type selection?

A: The metallic structure of the self-lubricating bushing can be made from a wide range of bronze or iron based alloys. To select the proper material for a given application, it is necessary to check the maximum values of the material characteristics in comparison with:

21. Shaft linear speed - v
21. Applied load - p
21. pv (load x speed) factor

Shaft hardness and surface roughness and other parameters such as working

temperature and type of lubrication, etc.

Q: Lubricant Oil Selection?

A: Standard impregnating oil conforms to SAE 30 specifications

Lubricants are suitable for the temperature range from -40°C to 150°C

Also have option for customer to made special oil impregnation by self

 

Q: De-impregnation & Re-Impregnation?

A: De-impregnation required Degrease and wash in appropriate solvent

Eliminate the lubricant in a furnace heated around 400°C for 40 minutes under a neutral atmosphere such as N2, or with reducing agent such as N2 + H2

Re-Impregnation need Immerge during one hour the parts in an oil bath heated at a temperature between 60°C and 120°C, depending on oil viscosity .Then cool down in an oil bath back to room temperature. Finally drain and dry the self-lubricating bearings.

 

 

 

It is necessary to improve the quality of Tungsten Cemented Carbide Shaft Bushing for Machine Part to compete with similar products from other countries in the international market. Our product sales and service network covers all over the world, widely exported overseas. We are diligent and dedicated, with high ambition, striving for first-class and excellence, striving to maintain the leading position in the industry and enhance international competitiveness.

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