2017天天拍天天看视频

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        1. Home/
          JF Size
              Type for Bi-Metaltic Bushing Grooves and Indents
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              Lock Types for Bi-Metaltic Bushing
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              The designing of oil indentations
          In order to fully lubricate the bush when in the performance, the indentations with size as follow are recommended. They should be manufactured according to the standard below if without special requirements.
          Bush O.DMore than to14~2222!4440~5050~100100~180
          Lubricating hole33367
          The lubricating hole should be away from butt joint and loading area and designed to be easy-oil-feding as well.


              Normal thickness of the JF bimetal and their tolerances
          Tolerance Thickness11.522.533.545
          Thickness of steel
          backing
          0.611.41.92.32.83.24
          Thickness of bronze
          leyer
          0.40.50.60.60.70.70.81.0
          Manufactuable wall
          thickness
          1+0.25
          +0.15
          1.5+0.25
          +0.15
          2+0.25
          +0.15
          2.5+0.25
          +0.15
          3+0.25
          +0.15
          3.5+0.25
          +0.15
          4+0.25
          +0.15
          4+0.25
          +0.15
          Manufactued wall
          thickness
          1-0.0251.5-0.032-0.0352.5-0.043-0.0453.5-0.054-0.0554-0.06


              JF JF Bimetel Bushing chemical composition
          Tolerance ThicknessJF-800JF-720JF-700JF-20
          Cu余量 Remainder余量 Remainder余量 Remainder0.7~1.3
          Pb9.0~11.021.0~27.026.0~33.0-
          Sn9.0~11.03.0~4.50.517.5~22.5
          Zn0.50.50.5-
          P0.10.10.1 
          Fe0.70.70.70.7
          Ni0.50.50.50.1
          Sb0.20.20.2-
          Ai---余量 Remainder
          Si---0.7
          Mn---0.7
          Ti---0.2
          其它 Other0.50.50.50.5


              JFBimetel Bushing Physical properties
          Physical propertiesJF-800JF-720JF-700JF-20
          Max. static load pressure
          N/mm2
          150130120100
          Tensile strength
          N/mm2
          150150200200
          Max. speed(oil) m/s5101525
          Friction coef(Oill)0.06~0.140.06~0.160.08~0.160.08~0.17
          PV limit
          N/mm2 m/s
          Grease2.82.82.5-
          Oil101086
          Sapphire Fatigue Calss Mpa12511510585
          2017天天拍天天看视频

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