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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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