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1. Big vertical boring machine;, 2. Boring dia. 400mm;, 3. PLC control;, 4. Stepless speed change regulating; - details see: https://www.machineto.com/vertical-fine-boring-milling-machine-t7240-10124677

Features:

1. 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.

2. Servo-motor control the table longitudinal move and the spindle up and down, Spindle rotation adopts variable-frequency motor to adjust the speed, so it can achieve the stepless speed change regulating.

3. Electricity of the machine are designed for PLC and man-machine interaction.

Specifications	T7240
Max.boring diameter	Φ400mm
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