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        Valve Seats Boring BV120


        Heavy – duty Valve Seat Boring Machine Model: BV120 , this machine makes use of special steel and 

        spheroidal graphite cast iron , its body are special heat treated , the rigidity , stability much improved 

        along with the working life. It is equipped with one heavy duty spindle , rated power is 2.5 kW , outside 

        diameter is Φ 90 mm , maximum torque is 42 N.M. . Moreover , the triple air-float patented work head , 

        and the air floating table , and other…… Thanks to that , it is really easy to operate , although this is

         a heavy machine. Designed for the valve seats from the smallest to the bigger diameter. This machine 

        can repair any existing engine, from the micro-engine up to the big stationary engine, machining capacity 

        from 18mm to 120 mm. To reach the requirements of high precision machining for valve guides with a

         small diameter of 4mm.

        Main Specifications 



        Type of Drive System

        Air / Electric

        Max. Length of Cylinder Head


        Max. Width of Cylinder Head

        500 mm

        Max. Height of Cylinder Head

        450 mm

        Max. Boring Dia.

        18 – 120 mm

        Work Head Longitudinal Floating Travel

        990 mm

        ( with optional parking area : 450 mm )

        1440 mm

        Work Head Cross Floating Travel

        40 mm

        Sphere – Cylinder Travel

        9 mm

        Floating inclination angle of Spindle


        Table Travel

        160 mm

        Vertical Travel of Spindle

        200 mm

        Power of Spindle

        2.5 kW Spindle Motor

        Max. Torque of Spindle Motor

        42 Nm

        Spindle Speed

        100 – 800 rpm stepless

        Power of Tools Grinder

        0.27 kW

        Tools Grinder Rotation Speed

        2800 rpm

        Clamper Rotary Angle

        + 42°/ -15°

        Required Rated Air Pressure

        6 Bar / 85 PSI

        Required Max. Air Flow

        400 L / Min

        Required Continuous Air Flow

        60 L / Min

        Length of Machine

        1685 mm

        Width of Machine

        1050 mm

        Max. Height of Machine

        2180 mm

        Min. Height of Machine

        1980 mm

        Roughness of Finishing

        Ra 0.6

        Package Size ( L×D×H )

        1860×1150×2200 mm


        1700 Kg


        2000 Kg


        SJMC Machine Tools CO.,lTD               联图二维码 (3).jpg   联图二维码.png

        ADD:16/F,Jincheng House,NO.511 Tianmu West Road,Shanghai China 

        Tel:  +86 53550166

        Fax: +86 63805455

        Cell:+86 1391672837 (24h)/Mr.Leo

        Mail: leo@sjmc.com.hk   / leo_wei2004@hotmail.com                                                       

        WhatsApp: +86 13916728373

        Wechat:     +86 13916728373

        Viber:         +86 13916728373  

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