Workpiece Examples:
High Speed Double Column Milling Machining Center
Optimal Machine Structure

The GT-138V features a specially designed T-shaped machine structure for superior rigidity. The width of the column is the same as the base.

The table is independently installed on the base, and fully supported through the entire stroke, assuring maximum accuracy and dependability. Long term accuracy at high speed machining is assured.

Lifetime Accuracy

All castings are stress relieved and seasoning treated for long term accuracy and long service life.

Three Axes Linear Guideway

The three axes are equipped with extra heavy duty roller-type linear guideways, ensuring superior dynamic accuracy and a long service life.

The extra powerful servomotor drive greatly reduces machining time for large molds while increasing profitavility.

Three Axes Feedrates:
20m/min. rapid feedrate
20m/min. cutting feddrate

Positioning Accuracy: (ISO-230-2) 0.004 / 300 mm

Reoeatability: (ISO-2340-2) 0.003mm

Cutter needs to be dynamically balanced to within G2.5.


MODEL
T10
T15
S24A
Max. spindle speed
10,000 rpm
15,000 rpm
24,000 rpm
Spindle taper
BT-50 / BBT-50
BT-40 / BBT-40
HSK-A63
Spindle motor
22 kw
11 kw
39/30 kw
Spindle Torque
172 / 320 Nm
74 / 130 Nm
29.1 / 38 Nm
Inner dia. of spindle bearing
Ø90
Ø70
Ø65
Bearing lubrication
Grease
Grease / Oil-Air (opt.)
Oil-Air
Spindle cooling
Oil-cooling
Oil-cooling
Water-cooling
Distance from spindle nose to table surface
300~900 mm / 200~800 mm
Table area
1400 x 850 mm
T-slot
18 x 7 x 125 mm
Height of table from ground
900 mm
Max. load of table (average load)
2500 kg
Travel of X, Y, Z-axes
1300 x 800 x 600 mm
Distance from spindle center to machine front
1200 mm
Cutting feedrate
20 m/min
Rapid feedrate
20 m/min
ATC tool specification
BT-50 / BBT-50
BT-40 / BBT-40
HK-A63
ATC capacity
20
20
20
Max. tool length
300 mm
300 mm
300 mm
Max. tool weight
15 kg
8 kg
8 kg
Motor of tool magazine
60 w
60 w
60 w
X, Y, Z-axis servomotors

7.5 kw

Air pressure requirement
7 kgf / cm2
Air conditioner
750 W / 550 W
Spindle cooler

1950 W

 1950 W 2650 W
Automatic lubricator (slideways)
150w
Coolant motor
750w
Chip flush conveyor
1580w
Total power consumption (Max.)
45 KVA
45 KVA
50 KVA
Coolant tank capacity
420 Liter
Packing dimensions (L x W x H)
382 x 382 x 385 cm
Net weight
15,210 kg
Gross weight
18,000 kg

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