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This material provides a maintenance-free bearing solution, particularly for high load, intermittent of oscillating motion. Solid lubricants within a bronze combines the strength of the bronze with the wear resistance and low friction. The application including automotive products line, water engineering, dam gate, plastic industries etc. Different bronze alloy type can be available according to the work condition.
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Tech. Data
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Max. Load
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Stzatic
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250N/mm2
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Temp.
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-100Dgrees~＋300Dgrees
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Dynamic
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100N/mm2
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Max Speed
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Dry
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0.3m/s
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Oil
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1.0m/s
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Max. PV
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1.65N/mm2.m/s
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Thermal conductivity
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60W(m.K)-1
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Coefficient of thermal expansion
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19x10-6K-1
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Friction coefficient
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0.03~0.20
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Tensile strength
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750N/mm2
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Hardness
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HB>20
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Elongation
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12%
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Features
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1. May work without any oil for long period.
2. Extremely high load capacity, good anti-wear and low friction.
3. Particularly appropriate for low speed and high load.
4. Suitable for reciprocating, oscillation or intermittent motion where oil film is hard to be formed.
5. Good chemical resistant and anti-corrosion characteristics.
6. Can be used in wide range of temp.
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Zin Technical Index:
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TYPE
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JDB-3
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JDB-4
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JDB-5
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JDB-6
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JDB-7
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Baes material
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CuZn24Al6
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CuSn6Zn6Pb3
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CuSn6Zn6Pb3
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HT-250
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CuCr15
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Baes hardness
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Hb230
(Hb270)
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HB 90
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HB 80
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HB 210
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HB 60
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Friction coefficient
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<0.16
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<0.15
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<0.14
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<0.17
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<0.17
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Load limit Temp.
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300Dgrees
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350Dgrees
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300Dgrees
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400Dgrees
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350Dgrees
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Load limit
under im/min
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100 N/mm2
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60 N/mm2
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70 N/mm2
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60 N/mm2
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250 N/mm2
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Dynamic
load limit
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25 N/mm2
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15 N/mm2
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20 N/mm2
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15 N/mm2
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70 N/mm2
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Load limit Speed
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Dry 0.40 m/s Oil 5 m/s
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2 m/s
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2 m/s
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0.5 m/s
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0.1 m/s
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Limit PV
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3.8 N/mm2m/s
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0.5 N/mm2m/s
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0.6 N/mm2m/s
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0.8 N/mm2m/s
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2.5 N/mm2m/s
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Lubricant
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Features
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Typical application
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SL1 Graphite+add
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Excellent resistance against chemical attacks and low friction. Temp limit 400Dgrees
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Suite for general machines and under atmosphere
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SL4+MOS2
PTFE+MOS2+CF
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Lowest in friction and good of water lubrication, Temp. limit 300Dgrees
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Ship, hydraulic turbine, gas turbine etc.
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