High Strength Copper Alloy Cast Bronze Bearings For Steam Engine
Brand Name:TOB Casting Bronze Bearings
Certification:ISO 16949
Minimum Order Quantity:negotiated
Delivery Time:negotiated
Payment Terms:T/T
Place of Origin:China
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Jiaxing Zhejiang China
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Room 1008, TongLe Business Mansion, JiaXing 314033, ZheJiang, China
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High Strength Copper Alloy With Solid Lubricant Plugs Casting Bronze Bearings
High Strength Copper Alloy With Solid Lubricant Plugs Casting Bronze Bearings is backed with high strength copper alloy. The surface is regularly and finely machined with sockets in which particular solid lubricant Plugs is filled. High Strength Copper Alloy With Solid Lubricant Plugs Casting Bronze Bearings is widely used on consecutive casting and rolling machines, mine-exploiting equipment, ships, steam engine, injection molders and auto molds, etc.
JDB Copper Bearings is a special formulation of high strength copper-based body surface at a certain angle and density of embedded solid lubricant specially formulated by precision machining.
Copper based and processed by turning technics. There can be made oil grooves on the inner surface and outside surface to reach a better lubricating effect. By made mid-sized holes in order and then insert the solid lubricant into the holes in the bronze bushing to apply the bushings under oil-free conditions.
Chemical Compositions
| Product NO. | Chemical Compositions | ||||||||
| TOB 051 | Cu | Zn | Al | Fe | Mn | Si | Ni | Sn | Pb |
| 60~65 | 22~28 | 5.0~8.0 | 2.0~4.0 | 2.5~5.0 | <0.1 | <0.5 | <0.2 | <0.2 | |
Physical and Mechanical Performance
| Performance Index | Data | Performance Index | Data | |||
| Density | g/cm³ | 8.2 | Hardness | HB | ≥260 | |
| Linear Expansion Coefficient | 10^-5/℃ | 1.6-2.0 | Flexibility Coefficient | KN/mm² | 80-120 | |
| Heat-conducting Coefficient | W/(m·k) | 38-55 | Tensility | % | ≥2 | |
| Tensile Strength | N/mm² | ≥850 | Friction | Oil Lubrication | μ | 0.03 |
| Anti-compact Tenacity | ≥KJ/m^3 | 300-400 | Dry Friction | 0.16 | ||
Application Condition Limits
| Lubrication Conditions | Non- Lubrication | Periodical Lubrication | Consecutive Lubrication | |
| Working Temperature Limits | ℃ | -40~+300 | -40~+150 | -40~+150 |
| Max. Load pressure | N/mm² | 130 | 130 | 130 |
| Max. Linear Velocity | m/s | 0.30 | 0.80 | 1.25 |
| Max. PV Value | N/mm²·m/s | 1.65 | 3.25 | 3.25 |
High Strength Copper Alloy Cast Bronze Bearings For Steam Engine
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