T7220C: Cylinder boring-milling machine
Maximum boring diameter: Φ200mm
Maximum boring depth: 500mm
 
Main performance:
Spindle speed level 9
Spindle speed (r/min) 53, 75, 106, 150, 210, 300, 420, 590, 840
Spindle feed stage 4
Spindle feed (mm/r) 0.05, 0.08, 0.125, 0.20
Spindle fast moving speed 3.9m/min
Worktable longitudinal fast moving speed 1.5m/min
Worktable longitudinal working feed rate   I 55mm/min
                                                  II 110mm/min
Machining accuracy: boring IT7; milling IT8
Machined surface roughness Ra: 1.6
 
The main parameters
Diameter of the boring shaft and the range of the pupil (unit: mm):
Milling shaft diameter and milling cutter diameter (unit: mm):
Maximum movement of the carriage 680 mm
Handwheel spindle movement 4 mm
Distance from spindle center to rail guide surface 375 mm
Distance from spindle center to carriage elevation 315 mm
Distance from the end face of the carriage to the table top 560mm~1260 mm
Worktable lateral travel 100 mm
Handwheel one turn table horizontal feed amount 3 mm
 
Spindle diameter
Boring diameter range
Maximum bore depth
Remarks
Φ75
Φ76~Φ110
325
random
Φ150
Φ155~Φ200
500
 
 
Φ110
Φ111~Φ155
410
 
 
Φ56
Φ57～Φ75
175
 
Φ45
Φ46～Φ56
160
 
Universal spindleΦ30
Φ31～Φ46
120
 
Universal spindleΦ20
 
Φ21～Φ31
80
 
 
 
Main drive motor
        Model Y100L2-4, B5
        Power 3KW
        Speed 1450r/min
        Voltage 380V
        Frequency 50Hz
Spindle fast moving motor
        Model Y90S-4, B5
       Power 1.1KW
       Speed 1420r/min
       Voltage 380V
     Frequency 50Hz
Worktable fast moving, working feed motor
       Model YD802-4/2, B5
       Power 0.85KW/0.65KW
       Speed 2920r/min/1450r/min
       Voltage 380V
       Frequency 50Hz
 
Machine dimensions size
(L × W × H) 1830 × 1730 × 2260mm
Machine package size
(L × W × H) 1964 × 1824 × 2532mm
Machine net weight 4000Kg