GP/GA-TII Series0 pages
GP/GA-TII Series
GP/GA-25TII
UNIT
ITEM
GP/GA-26TII
GP/GA-25TII x 350
GP/GA-25TII x 650
GP/GA-26TII x 350
GP/GA-26TII x 650
350 ( 13.78)
650 (25.60)
350 (13.98)
650 (25.60)
CAPABILITY
Distance between center
mm
Swing over table
mm
ø330 (ø12.99)
mm
ø200 (ø7.87)
Max grinding dia
Max workpiece weight
50 (110)
Center supported kg (lb)
40 x 200 (88 x 7.87)
Chuck supported kg x mm (lb x in.)
WHEEL
Wheel size
Width
OD x ID mm (in.)
ø610 x ø254 (ø24.02 x ø10)
ø510 x ø203.2 (ø20.08 x ø8)
75 (2.95) {option: GP: 150 (5.91) GA: 125 (4.92)}
mm (in.)
Infinitely variable
No. of speed ranges
2,700 (106.30)
WORKHEAD
SADDLE (Z-AXIS)
WHEELHEAD
(X-AXIS)
Max grinding speed
m/min (ipm)
Travel
mm (in.)
415 (16.34)
Rapid traverse
m/min (ipm)
ø30 (ø1.18)
Min command increment
mm (in.)
Travel
mm (in.)
ø0.0001 (ø0.000004)
Rapid Traverse
GP: 815 (32.09)
GP: 515 (20.28)
GP: 815 (32.09)
GA: 950 (37.40)
GA: 650 (25.59)
GA: 950 (37.40)
20 (787)
m/min (ipm)
Min command increment
GP: 515 (20.28)
GA: 650 (25.59)
mm (in.)
0.0001 (0.000004)
MT No. 4
Tapered bore
Speed
650
min-1
Infinitely Variable
No. of speed steps
MT No. 4
TAILSTOCK
Tapered bore
50 (1.97) {option 80 (3.15)}
Quill travel
7.5 (10) {option: 11, (15), 15 (20)}
kW (hp)
2.0 (2.7)
Wheelhead (X-axis) feed
kW (hp)
1.2 (1.6)
Saddle feed
kW (hp)
2.0 (2.7)
Coolant pump
kW (hp)
1.1 (1.5)
Hydralic oil-lube pump
kW (hp)
0.4 (0.5)
Wheel spindle lube pump
TANK
CAPACITY
kW (hp)
Workhead (C-axis)
WEIGHT
+ ø0.08 (ø0.003)
kW (hp)
0.1 (0.13)
Coolant tank
ℓ (gal)
200 (757) {option: 300 (1135.5)}
Hydralic oil-lube tank
ℓ (gal)
20 (75.70)
Wheel spindle lube pump
ℓ (gal)
20 (75.70)
Mass
kg
CNC
mm (in.)
Wheel spindle
MOTORS
Auto taper adjustment
www.okuma.com
4,800 (10,560)
5,000 (11,000)
5,000 (11,000)
5,200 (11,440)
OSP-U20G
Revised: July 8, 2014
"