OCTOBER 2005 SPECIFICATIONS 13
SIEMENS
MAINTENANCE MANUAL
*Rated Peak Value
Table 1-6: VMC 3020 Specifications
3020 SPECIFICATIONS 3020 STANDARD 3020 METRIC
Table Size 40.5" x 20" 1,029 mm x 508 mm
Floor to Table 31" 787 mm
T-Slots (No. x Width x Span) 5 x .708" x 3.74" 5 x 18 mm x 95 mm
Cutting Feed Rate .01-400 ipm (600 ipm @ 150%) .25-10,160 (15,240 at 150%)
Rapid Feed Rate (X/Y/Z) 900 ipm (X/Y) 700 ipm (Z) 30.5(X,Y) 17.8(Z) m/min
Max. Weight on Table 4,250 lbs. 1,928 kg
Axis Drive Motor (X/Y/Z) AC 3,800 lbs peak thrust AC, 16,903 N*thrust.
Ball Screw Size 40mm Dia. (X/Y/Z)
Longitudinal (X Axis) 30" 762 mm
Cross (Y Axis) 20" 508 mm
Vertical (Z Axis) 24" ( 32" Opt.) 508 mm (610 mm)
Spindle Nose to Table 4"-28" (36" Opt.) 102 mm-61 0mm-(711 mm Opt.)
Spindle Center to Column Ways 22.875" 581 mm
Main Motor - Automatic 2 Speed Vector 22.5 HP*, 16.8 KW
Opt. VHT Motor-Automatic 2 Speed Vector 30 HP*, 22.4KW
Torque 160 ft-lbs, 290 ft-lbs (Opt.) 300 Nm/375 Nm
Accuracy, Axis Positioning ± .0002" ±.004 mm
Accuracy, Axis Repeatability ± .0001" ±.0015 mm
Glass Scales (X/Y/Z) Optional
Spindle Speed 10-10,000 rpm (15,000 Opt.)
Spindle Orientation Electromechanical
Spindle Taper No. 40
ATC, Number of Tools 24T 1.9sec. Dual Arm
ATC, Tool Selection Random, Bi-directional
Max. Tool Diameter 3" (4.5" w/o adjacent tools) 76.2 mm (114.3 mm)
Max. Tool Length 15" 381 mm
Max. Tool Weight 15 lbs. 6.8 kg
Machine Width and Depth 108" W x 85" D (w/o chip conveyor or 21”
wall clearance)
2749 mm W x 2156 mm D (w/o chip con-
veyor or 21” wall clearance)
Machine Maximum Height 122" (130" with 22.5 HP Opt.) 3098.8 mm (3302 mm with 22.5hp. Opt)
Machine Weight 12,700 lbs. (w/o chip conveyor) 5760.6 kg (w/o chip conveyor)
Air Pressure Reqs. (Momentary) 120 psi, 15 scfm 5.5 Bar
Power Reqs. (3-phase) 30 amps 480VAC, 40amps, 480VAC,
70amps 480VAC
Cool Power System Spindle, Headstock, Ballscrews
Ball Screw Supports (X/Y/Z) dual
No. of Ground Boxways per Axis (X/Y/Z) 2
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