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Items Unit GP/GA25W GP/GA26W
GP/GA25W
× 400
GP/GA25W
× 650
GP/GA26W
× 400
GP/GA26W
× 650
Distance between centers   mm (in.) 400 (15.75) 650 (25.60) 400 (15.75) 650 (25.60)
Swing over table   mm (in.) ø330 (ø12.99)
Max grinding dia   mm (in.) ø200 (ø7.87)
Max workpiece weight Center supported kg (lb) 50 (110)
Chuck supported kg × mm
(lb × in.)
40 × 200 (88 × 7.87)
Wheel Wheel size mm (in.) ø510 × ø203.2 (ø20.08 × ø8) ø610 × ø254 (ø24.02 × ø10)
Width mm (in.) 75 (2.95) (GP: 150 (5.91) GA: 125 (4.92))
No. of speed ranges Infinitely variable
Max grinding speed m/min (ipm) 2,700 (106.30)
Wheelhead (X-axis) Travel mm (in.) 420 (16.54)
Rapid traverse m/min (ipm) ø30 (ø1.18)
Min command increment mm (in.) ø0.0001 (ø0.000004)
Saddle (Z-axis) Travel mm (in.) GP : 515 (20.28)
GA : 650 (25.59)
GP : 815 (32.09)
GA : 950 (37.40)
GP : 515 (20.28)
GA : 650 (25.59)
GP : 815 (32.09)
GA : 950 (37.40)
Rapid traverse m/min (ipm) 20 (787)
Min command increment mm (in.) 0.0001 (0.000004)
Workhead Tapered bore   MT No.4
Speed min 650
No. of speed steps   Infinitely variable
Tailstock Tapered bore   MT No.4
Quill travel mm (in.) 50 (1.97) [80 (3.15)]
Auto taper adjustment mm (in.) ±ø0.08 (ø0.003)
Motors Wheel spindle kW (hp) 7.5 (10) [15 (20)]
Workhead kW (hp) 2.2 (3)
Wheelhead feed kW (hp) 2.2 (3)
Saddle feed kW (hp) 2.2 (3)
Coolant pump kW (hp) 1.1 (1.5)
Hydralic oil-lube pump kW (hp) 1.5 (2)
Wheel spindle lube pump kW (hp) 0.075 (0.1)
Slideway lubricant pump kW (hp) 0.017 (0.02)
Tank capacity Coolant tank L (gal) 200 (757) [300 (1135.5)]
Hydralic oil-lube tank L (gal) 20 (75.70)
Wheel spindle lube tank L (gal) 20 (75.70)
Slideway lubricant pump L (gal) 4.2 (1.1)
Floor space
W × D
mm (in.) 2,030×2,914
(79.92×114.72)
2,510×2,914
(98.82×114.72)
2,030×2,914
(79.92×114.72)
2,510×2,914
(98.82×114.72)
Weight kg (lb) 5,300 (11,660) 5,800 (12,760) 5,300 (11,660) 5,800 (12,760)
CNC OSP-P300G

[ ] : Optional


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