T7220D Vertical Fine Boring & Milling Machine

*MAIN FEATURES

1.Stepiess of spindle turning, feeding and table travelling

2.Rolating speed and feed of spindle as well as the movement of worktable is free-setup automatical retuming of spidle can befealzed

3.Longitudingal and cross movement of tabie

4.Complete set of accessories of boring millng, drilling&reaming and easy exchange

5.Spindle fast centering device

6.Tool measuing device

7.Boring depth control device

8.Table with digital readout for jig borer machine

MAIN SPECIFICATION UNIT T7220D
Max.boring diameter mm 200
Max.boring depth mm 500
Max.milling area mm 400x1000
Max.drilling & reaming diameter mm 30
Spindle speed mm 120-860
Feeding of the spindle r/min 14-900
Rapid moving speed of the spindle mm/min 900
Spindle travel mm/min 700
Distance between spindle end face and table mm 0-700
Distance between spindle axis and carriage vertical plane mm 365
Longitudinal feed of worktable mm 32-1350
Rapid moving speed of the table longitudinal travel mm/min 1350
Max.longitudinal travel of the working table mm/min 1500
Max.cross travel of the working table mm 200
Worktable size (W*L) mm 500x1500
Dimensional precision of boring hole mm H 7
Machining precision Roundness mm 0.005
Cylindricity 0.01/300
Milling flatness 0.1
Surface roughness Boring um Ra2.5
Milling Ra3.2
Main motor power kw 5.5
Overall dimensions (LxWxH) cm 260x163x230
Packing dimensions (LxWxH) cm 225x190x228
N.W/G.W kg 3500/3800

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