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              Valve Seats Boring BV90


              Valve Seat Boring Machine Model: BV90 with high availability meets the requirements of boring, 

              reaming and cutting machining for high accuracy valve guides and valve seats. Triple air-float patented 

              centering system and powerful spindle with built-in motor. 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 90mm.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 – 90 mm

              Work Head Longitudinal   Floating Travel

              990 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

              1.5 kW Spindle   Motor

              Max. Torque of   Spindle Motor

              23 Nm

              Spindle Speed

              100 – 1200 rpm   stepless

              Power of Tools   Grinder

              0.18 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


              1500 Kg


              1800 Kg



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              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

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