成年女人免费播放影院

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            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
            成年女人免费播放影院

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