Steel+Bronze Powder
Material Features
Steel backed lead bronze lined bearing material for lubricated applications, high load capacity and good fatigue properties, have been widely used in automotive, common industrial like steering gear, power steering, pedal bushes, king-pin bushes, tailgate pivots, mechanical handling, lifting equipment, hydraulic motors, agricultural machines etc.
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Chemical Compositions, Chharacheristics and Application
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Types of Material
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Specifications
of Bronze Alloy
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Chemical
Compositions%
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Alloy Hardness
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Chharacheristics
and Application
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JF
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CuPbl0Snl0
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Cu Pb Sn Zn 80 10 10/
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HB60-90
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The strongest type,
wide application field.
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Tech. Data
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Max. Load
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Stzatic
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120N/mm2
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Yieid Point
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HB>260
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Dynamic
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60N/mm2
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Temp.
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-40Dgrees~+250Dgrees
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Max. Speed
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2m/s
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Friction coefficient
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0.08~0.20
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MAXPV
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2.8N/mm2*m/s
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Thermal conductivity
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60W(m*k)-1
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Breaking Load
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350N/mm2
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Coef. of thermal expansion
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40*10-6*k-1
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Thickness of the JF Bi-metal and their Tolerances
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Norminal Thickness
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1.0
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1.5
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2.0
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2.5
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3.0
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3.5
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4.0
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4.5
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5.0
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Thickness of Steel Backing
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0.5
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1.0
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1.4
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1.9
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2.3
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2.8
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3.2
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3.6
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4.0
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Thickness of Bronze Layer
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0.5
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0.5
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0.6
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0.6
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0.7
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0.7
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0.8
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0.9
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1.0
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Length×Width of the Plates
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500X125
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500X125
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600X125
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600X125
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800X125
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800X125
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800X125
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800X125
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800X125
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Wall Thickness of the Machinable and Non-machinable Bore of JF Bushes and their Tolerances
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Norminal Thickness
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Tolerances of Series B(non-machinable)
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Tolerances of Series C(non-machinable)
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1
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-0.025
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+0.25
+0.15
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1.5
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-0.030
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+0.25
+0.15
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2
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-0.035
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+0.25
+0.15
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2.5
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-0.040
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+0.30
+0.15
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3
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-0.045
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+0.30
+0.15
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3.5
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-0.050
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+0.30
+0.15
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