NAME: Vertical Fine Boring-Milling Machine ----Large type
MODEL: T7240
To introduce: The machine is mainly used for boring large and deep holes( such as cylinder body of loco motive, steamship and car), also can milling the surface of the cylinder.   
---Servo-motor control the table longitudinal move and spindle up and down
---Spindle’s whirl use variable-frequency motor to adjust the speed, so it can achieve of stepless speed change
--- Electricity of the machine are designed of PLC and man-machine interaction

Main specification

Model T7240
Max.Boring diameter Φ400mm
Max. Boring depth 750mm
Spindle carriage travel 1000m
Spindle speed (stepless speed change for
 frequency conversion)
Spindle feed travel speed 6~3000mm/min
Distance from spindle axis to carriage
vertical plan
Distance from spindle end-face to table surface
25~ 840 mm
Table dimensions  500X1600 mm
Table longitudinal travel 1600mm
Main motor ( Variable-frequency motor) 33HZ,5.5KW
Boring dimension accuracy IT7
Milling dimension accuracy IT8
Roundness 0.008mm
Cylindricity 0.02mm
Boring roughness Ra1.6
Milling roughness Ra1.6-Ra3.2
Overall dimensions 2281X2063X3140mm
N.W/G.W 7500/800KG

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