ModelGP/GA26W
Distance Between Centers15.75 or 25.59 in (400 or 650 mm)
Max Grinding Dia.Ø7.87 in (Ø200 mm)
Grinding Wheel ODxIDØ24 × Ø10 in (Ø610 × Ø254 mm)
Wheel — Width, mm (in.) (corrected: okuma.com showed '5.9 in (150 mm)'; per the Okuma GP/GA25W / GP/GA26W series CNC cylindrical grinders brochure, Feb 2018, p. 9)75 (2.95)
Wheel — Width (GP), mm (in.) (corrected: okuma.com showed '5.9 in (150 mm)'; per the Okuma GP/GA25W / GP/GA26W series CNC cylindrical grinders brochure, Feb 2018, p. 9)150 (5.91)
Wheel — Width (GA), mm (in.) (corrected: okuma.com showed '5.9 in (150 mm)'; per the Okuma GP/GA25W / GP/GA26W series CNC cylindrical grinders brochure, Feb 2018, p. 9)125 (4.92)
Rapid Traverse:X1,181 ipm (30 m/min)
Rapid Traverse:Z787 ipm (20 m/min)
Wheel Spindle Motor10 hp (7.5 kW)
Wheel Spindle Motor (options / other configurations)20 hp (15 kW)
Swing over table, mm (in.)ø330 (ø12.99)
Max workpiece weight — Center supported, kg (lb)50 (110)
Max workpiece weight — Chuck supported, kg × mm (lb × in.)40 × 200 (88 × 7.87)
Wheel — Max grinding speed, m/min (fpm)2,700 (8,858.7)
Wheelhead (X-axis) — Travel, mm (in.)420 (16.54)
Automatic cutting speed — Wheelhead (X-axis), mm/min (ipm)ø0.0012 to ø6,000 (ø0.0000472 to ø236.2)
Wheelhead (X-axis) — Min command increment, mm (in.)ø0.0001 (ø0.000004)
Automatic cutting speed — Saddle (Z-axis), mm/min (ipm)0.0006 to 6,000 (ø0.0000236 to ø236.2)
Saddle (Z-axis) — Min command increment, mm (in.)0.0001 (0.000004)
Workhead — Speed, min⁻¹650
Tailstock — Tapered boreMT No.4
Tailstock — Auto travel, mm (in.)50 (1.97)
Tailstock — Manual taper offset, mm (in.)±ø0.08 (ø0.003)
Motors — Workhead, kW (hp)2.2 (3)
Motors — Wheelhead feed, kW (hp)2.2 (3)
Motors — Saddle feed, kW (hp)2.2 (3)
Motors — Coolant pump, kW (hp)1.1 (1.5)
Motors — Hydralic oil-lube pump, kW (hp)1.5 (2)
Motors — Wheel spindle lube pump, kW (hp)0.075 (0.1)
Motors — Slideway lubricant pump, kW (hp)0.017 (0.02)
Coolant tank, L (gal)200 (52.84)
Hydralic oil-lube tank, L (gal)20 (5.28)
Wheel spindle lube tank, L (gal)20 (5.28)
Slideway lubricant tank, L (gal)4.2 (1.1)
CNCOSP-P300GA
Optional specifications (1)
Grinding wheel speed (option: High-speed specs), m/sec60
Saddle (Z-axis): other configurations and options (4)
Saddle (Z-axis) — Travel (× 40, GP), mm (in.)515 (20.28)
Saddle (Z-axis) — Travel (× 40, GA), mm (in.)650 (25.59)
Saddle (Z-axis) — Travel (× 65, GP), mm (in.)815 (32.09)
Saddle (Z-axis) — Travel (× 65, GA), mm (in.)950 (37.40)
Workhead: other configurations and options (2)
Tapered bore (Dead center workhead, Dead/live headstock)MT No.4
Workhead — Tapered bore (Chucking headstock)MT No.5
Tailstock: other configurations and options (1)
Auto travel (option), mm (in.)80 (3.15)
Motors: other configurations and options (1)
Wheel spindle (option), kW (hp)15, 22 (20, 30)
Tank capacity: other configurations and options (1)
Coolant tank (option), L (gal)300 (79.26)
Weight: other configurations and options (2)
Weight (× 40), kg (lb)5,800 (12,760)
Weight (× 65), kg (lb)6,300 (13,860)
