Vertical fine boring-milling machine, model: T7240 The machine is mainly use for boring large and deep holes, (such as: Cylinder body of locomotive, steamship, car) also can milling the surface of the cylinder. *Servo-motor control the table longitudinal move and the spindle up and down Spindle's whirl use variable-frequency motor to adjust the speed, so it's can achieve of stepless speed change *Electricity of the machine are designed for PLC and man-machine interaction
Max. Boring diameter 400mm Max. Boring depth 750mm Spindle carriage travel 1000mm Spindle speed(stepless speed change for frequency conversion) 50-1000r/min Spindle feed travel speed 6-3000mm/min Distance from spindle axis to carriagevertical plan 500mm Distance from spindle end-face to table surface 25~ 840 mm Table dimensions L x W 500X1600 mm Table working slot 5 Table longitudinal travel 1600mm Table longitudinal travle speed 6~3000mm/min Table latirudinal travel 300mm Main motor ( Variable-frequency motor) 33Hz, 5.5KW Table ongirudinal travel motor(Serve motor) 15Nm Travel motor of spindle(Serve motor) 15Nm Boring dimension accuracy IT7 Milling dimension accuracy IT8 Rundness 0.008mm Clingricity 0.02mm Boring roughness Ra1.6 Milling roughness Ra1.6-Ra3.2 Overall dimensions 2281X2063X3140mm
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