T7220B: Cylinder boring 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 1.48m/min
Machining accuracy: IT7
Machined surface roughness Ra: 1.6
 
The main parameters
Spindle diameter and bore range:
Table 1 Unit: 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
 
The maximum movement of the spindle (carriage)  680mm
spindle movement per handwheel rotation 4mm
Spindle center to column surface  375mm
Spindle end to worktable
Minimum 40mm
maximum 680mm
Work table size (length × width) 1250 × 500mm
Workbench T-slot number 3 slots
Worktable longitudinal movement 900mm
table longitudinal movement Hand wheel per turn   6mm
Worktable horizontal stroke 100mm
table horizontal movement Hand wheel per turn 3mm
Work table max take 200Kg
Main drive motor
    Model Y100L2-4 B3
    Power 3Kw
   Speed 1420 (1720) r.p.m
   Voltage 380V (220V)
   Frequency 50Hz (60Hz)
Spindle fast moving motor
   Model Y90S-4 B5
   Power 1.1Kw
   Speed 1400 (1680) r.p.m
   Voltage 380V (220V)
   Frequency 50Hz (60Hz)
Workbench fast moving motor
   Model Y801-4 B5
   Power 0.55Kw
   Speed 1380 (1680) r.p.m
   Voltage 380V (220V)
   Frequency 50Hz (60Hz)
Machine dimensions size
(L × W × H) 1830 × 1730 × 2260mm
Machine package size
(L × W × H) (domestic) 1730 × 1830 × 2500mm
(export) 1730×1830×2270mm
Machine net weight 3300Kg