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Porcelain Hollow Core Bushings for Substation and Transmission

Porcelain Hollow Core Bushings for Substation and Transmission

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.

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Product Introduction

Our target should be to consolidate and enhance the top quality and service of current goods, in the meantime frequently create new products to satisfy diverse customers' calls for Bronze silencer muffler, linear bush bearing, Sintered Bronze Filters. We comprehensively shape the corporate quality of "innovation, integrity, service and quality". We believe that all activities of the enterprise should start from the market reality, meet market demand, satisfy customer needs and create value-added for customers. From design to production, to shipment, we will serve every procedure carefully to ensure that the goods are delivered according to the quality and quantity.

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DALON BUSHING INTRODUCTION:

DALON self-lubricatingTransmission 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 Transmission 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) / SAE660 /A50-B50

Tolerance Standard

F7 r7 Js13

Lubrication Method

Embedded Lubricated

For Shaft Type

Round

Shaft Mount Type

Slip Fit

 

Load Direction:

All Transmission 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 Transmission Bushing to release a thin layer of oil on the bearing’s surface.

DALON Transmission Bushing MATERIAL STRUCTURE

MATERIAL CODE

BASIC METAL

ALLOY COMPOSITION

Bronze based

CuSn9010/ SAE841 ASTM B438-70; SintA50/CuSnPb663

Cu87.5~90.5,Fe1.0max,Sn9.5~10.5; CuSn663

Standard material specifications include: SAE 841 (CuSn9010), 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.

Performance

An extremely wide range of operating loads, speeds and temperatures:

  1. Dynamic loads from 6 to 75 MPa
  2. Linear speeds up to 8 m/s
  3. Operating temperatures from - 180°C to + 300°C

Suitable for use in a wide range of environments

  1. Marine environment
  2. Radio-active environments
  3. Contact with corrosive liquids or substances incompatible with oils
  4. Food preparation

Reduce of design and ownership costs

  1. Maintenance-free operation
  2. Lower cost compared to cast metal and machined bearings
  3. Complex designs and forms possible
  4. High dimensional accuracy
  5. Excellent surface finish
  6. Reduced weight compared to similar non-porous components

Transmission Bushingbronze flanged sleeve bearingbronze flange bearingtransmission bushing

transmission bushing

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Technology plays an important role in product design and development. It helps to improve product quality, enhance our brand and product popularity, and make our Porcelain Hollow Core Bushings for Substation and Transmission successfully enter the international market. We attach great importance to environmental protection, strictly comply with the latest national environmental protection regulations, and take the initiative to assume responsibility for environmental protection. Our good working environment, excellent sales team, and well-trained technical personnel have established a good communication bridge between us and our customers.

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