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VRG SERIES
GRI SERIES
Vertical internal grinder
| VRG-40M1 |
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| ■Specifications |
| Hole dia. to be ground |
Φ250mm |
| Max. hole length(depth) to be ground |
300mm |
| Swing over table |
Φ700mm |
| Wheel spindle speed |
5,000～20,000rpm |
| Range of work spindle speeds |
30～300rpm |
| Max. stroke of wheelhead table |
(Z-direction) 300mm |
| Rapid-traverse feed rate |
(Z-axis) 12,000mm/min |
| Range of grinding feed rate |
(Z-axis) 0.1～4,000mm/min |
| Movement of infeed table |
(X-axis) 750mm |
| Rapid-traverse feed rate |
(X-axis) 12,000mm/min |
| Wheel infeed feed rate |
(X-axis) 0.1～4,000mm |
| One graduation of manual pulse generator |
(Z-axis) 0.001、0.01、0.1mm |
| One graduation of manual pulse generator |
(X-axis) Φ0.001、Φ0.01、Φ0.1mm |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
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| These specification items are subject to revision for improvement without notice. |
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| VRG-60M1 |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ600mm |
| Hole depth to be ground |
450mm |
| Swing over table |
Φ1,000mm |
| Wheel spindle speed |
4,000～12,000rpm |
| Range of work spindle speeds |
5～150rpm |
| Max. stroke of wheelhead table |
500mm |
| Rapid-traverse feed rate of wheelhead table |
(Z-axis) 12,000mm/min |
| Range of grinding feed rate of wheelhead table |
(Z-axis) 0.01～4,000mm/min |
| Movement of infeed table |
(X-axis) 1,100mm |
| Rapid-traverse feed rate |
(X-axis) 12,000mm/min |
| Wheel infeed feed rate |
(X-axis) 0.01～4,000mm/min |
| One graduation of manual pulse generator |
(Z-axis) 0.001、0.01、0.1mm |
|
(X-axis) Φ0.001、Φ0.01、Φ0.1mm |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
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| These specification items are subject to revision for improvement without notice. |
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| Vertical universal grinder |
| VRG-60M2 |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ600mm |
| Max. length of workpiece |
Φ600mm |
| Max. hole length |
450mm |
| Swing over table |
Φ1,000mm |
| Range of wheel spindle speeds No.1 |
4,000～12,000rpm uniform output range |
| Range of wheel spindle speeds No.2 |
4,000～12,000rpm uniform output range |
| Range of work spindle speeds |
5～150rpm |
| Max. stroke of wheelhead table |
(Z1、2) 500mm |
| Rapid-traverse feed rate of wheelhead table |
(Z1、2) 12,000mm/min |
| Range of grinding feed rate of wheelhead table |
(Z1、2) 0.01～4,000mm/min |
| Movement of infeed table |
(X1、2) 850mm |
| Rapid-traverse feed rate |
(X1、2) 12,000mm/min |
| Wheel infeed feed rate |
(X1、2) 0.01～4,000mm/min |
| One graduation of manual pulse generator |
(Z1、2) 0.001、0.01、0.1mm |
|
(X1、2) Φ0.001、Φ0.01、Φ0.1mm |
| NC minimum programmable increment |
(Z1、2) 0.001mm (X1、2)Φ0.001mm |
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| These specification items are subject to revision for improvement without notice. |
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| VRG-100M2 |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ900mm |
| Max. length of workpiece |
Φ1,000mm |
| Max. hole length |
500mm |
| Swing over table |
Φ1,200mm |
| Permission work weight |
3,000kgf |
| Range of wheel spindle speeds No.1 |
4,000～12,000rpm uniform output range |
| Range of wheel spindle speeds No.2 |
1,500～4,000rpm uniform output range |
| Swivel adjustment of wheel head No.1 |
Right swivel 0～15°Left swivel 0～5° |
| Swivel adjustment of wheel head No.2 |
Right swivel 0～5°Left swivel 0～15° |
| Range of work spindle speeds |
5～150rpm |
| Max. stroke of wheelhead table |
700mm(No.1、No.2) |
| Rapid-traverse feed rate of wheelhead table |
(Z-axis) 12,000mm/min |
| Range of grinding feed rate of wheelhead table |
(Z-axis) 0.01～4,000mm/min |
| Movement of infeed table |
X-axis No.1 1,200mm No.2 1,500mm |
| Rapid-traverse feed rate |
(X-axis) 12,000mm/min |
| Wheel infeed feed rate |
(X-axis) 0.01～4,000mm/min |
| NC minimum programmable increment |
(Z1,2-axis) 0.001mm (X1,2-axis)Φ0.001mm |
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| These specification items are subject to revision for improvement without notice. |
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| VRG-180M2 |
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| ■Specifications |
| Outside dia to be graund O.D. |
O.D.Φ300～Φ1,800mm |
| Hole dia. to be ground I.D. |
I.D.Φ250～Φ1,700mm |
| Hole height to be ground |
350mm |
| Swing over table |
Φ1,800mm |
| Max. weight of workpiece |
6,000kgf |
| Range of wheel spindle speeds(No.1) |
500～2,000rpm |
| Range of wheel spindle speeds(No.2) |
1,500～4,000rpm |
| Swivel adjustment of wheel head No.1 |
Right swivel 0～50°Left swivel 0～50° |
| Swivel adjustment of wheel head No.2 |
Right swivel 55～85° |
| Range of work spindle speeds |
MIN1rpm～30rpm |
| Max. stroke of wheelhead table |
(Z-axis) 700mm(No.1、No.2) |
| Rapid-traverse feed rate of wheelhead table |
(Z-axis) 12,000mm/min |
| Range of grinding feed rate of wheelhead table |
(Z-axis) 0.01～10,000mm/min |
| Movement of infeed table |
(X-axis) (No.1):1,600mm、(No.2):1,900mm |
| Rapid-traverse feed rate |
(X-axis) 12,000mm/min |
| Wheel infeed feed rate |
(X-axis) 0.01～10,000mm/min |
| One graduation of manual pulse generator |
(Z-axis) 0.001、0.01、0.1mm |
| One graduation of manual pulse generator |
(X-axis) 0.001、0.01、0.1mm |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)0.001mm |
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| These specification items are subject to revision for improvement without notice. |
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| VRG-230M2・300M2 |
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| ■Specifications |
|
230M2 |
300M2 |
| Outside dia to be ground |
Φ600～Φ2,300mm |
Φ600～Φ3,000mm |
| Hole dia. to be ground |
Φ450～Φ2,200mm |
Φ450～Φ2,800mm |
| Hole length to be ground |
35～590mm |
35～1,100mm |
| Swing over table |
Φ2,300mm |
Φ3,000mm |
| Max. weight of workpiece |
5,000kgf |
5,000kgf |
| Range of wheel spindle speeds(No.1) |
～2,800rpm |
～2,800rpm |
| Range of wheel spindle speeds(No.2) |
～2,800rpm |
～2,800rpm |
| Swivel adjustment of No.1 Z-axis |
±25° |
±25° |
| Swivel adjustment of No.2 Z-axis |
±25° |
±25° |
| Range of work spindle speeds |
CW/CCW,function～45rpm |
CW/CCW,function～45rpm |
| Max. stroke of wheelhead table |
(Z-axis) 900mm |
(Z-axis) 900mm |
| Rapid-traverse feed rate of wheelhead table |
(Z-axis) 12,000mm/min |
(Z-axis) 12,000mm/min |
| Range of grinding feed rate of wheelhead table |
(Z-axis) ～3,600mm/min |
(Z-axis) ～3,600mm/min |
| Movement of infeed table |
(X-axis)(No.1、2):2,200mm |
(X-axis)(No.1、2):2,450mm |
| Rapid-traverse feed rate |
(X-axis) 12,000mm/min |
(X-axis) 12,000mm/min |
| Wheel infeed feed rate |
(X-axis) ～3,600mm/min |
(X-axis) ～3,600mm/min |
| One graduation of manual pulse generator |
(Z-axis) 0.0001、0.001、0.01、0.1mm |
(Z-axis) 0.0001、0.001、0.01、0.1mm |
| One graduation of manual pulse generator |
(X-axis) 0.0001、0.001、0.01、0.1mm |
(X-axis) 0.0001、0.001、0.01、0.1mm |
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(A-axis) 0.0001、0.001、0.01、0.1mm |
(A-axis) 0.0001、0.001、0.01、0.1mm |
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(B-axis) 0.0001、0.001、0.01、0.1mm |
(B-axis) 0.0001、0.001、0.01、0.1mm |
| NC minimum programmable increment |
(Z-axis) 0.0001mm (X-axis) 0.0001mm |
(Z-axis) 0.0001mm (X-axis) 0.0001mm |
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(A-axis) 0.0001mm (B-axis) 0.0001mm |
(A-axis) 0.0001mm (B-axis) 0.0001mm |
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(Centering-axis) 0.001mm |
(Centering-axis) 0.001mm |
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| These specification items are subject to revision for improvement without notice. |
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| GRI SERIES CNC INTERNAL GRINDER |
| GRI-40C・60C |
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| ■Specifications |
|
40C |
60C |
| Hole dia. to be ground |
Φ10～Φ150mm |
Φ10～Φ150mm |
| Max. hole length(depth) to be ground |
150mm |
200mm |
| Swing over table |
Φ500mm |
Φ500mm |
| Maximum stroke of table |
450mm |
650mm |
| Swivel adjustment of workhead |
-5°+15° |
-5°+15° |
| Work spindle through-Hole |
Φ50mm |
Φ50mm |
| Range of work spindle speeds |
100～900rpm |
100～900rpm |
| Infeed max. input increment |
90mm toward front 100mm toward rear(from table center) |
90mm toward front 100mm toward rear(from table center) |
| Infeed min. input increment |
Φ1μm(Φ0.001mm) |
Φ1μm(Φ0.001mm) |
| Rapid-traverse feed rate |
5,000mm/min |
5,000mm/min |
| Rapid-traverse feed rate |
10,000mm/min |
10,000mm/min |
| Table min. input increment |
1μm(0.001mm) |
1μm(0.001mm) |
| Range of grinding feed rate |
0.01～4,000mm/min |
0.01～4,000mm/min |
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| These specification items are subject to revision for improvement without notice. |
|
| GRI-80D |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ500mm |
| Max. hole length(depth) to be ground |
300mm |
| Swing over table |
Φ800mm |
| Taper in work spindle hole |
MT #6 |
| Work spindle through-Hole |
Φ52mm |
| Range of work spindle speeds |
50～500rpm |
| Movement of work spindle table |
100mm toward front 150mm toward rear(from table center) |
| Swivel adjustment of workhead |
30° |
| Maximum stroke of table |
800mm |
| Rapid-traverse feed rate |
(Z-axis) 1,200mm/min |
| Range of grinding feed rate |
(Z-axis) 0.1～4,000mm/min |
| Longitudinal adjustment of wheelhead |
(Z-direction) 300mm |
| Movement of wheelhead(X-axis) |
100mm toward front 150mm toward rear(from table center) |
| Wheel infeed feed rate |
(X-axis) 0.01～4,000mm/min |
| Rapid-traverse feed rate |
(X-axis)4,500mm/min |
| One graduation of pulceweel index dial |
(Z-axis) 0.001、0.01、0.1mm (X-axis)Φ0.001、0.01、0.1mm |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
|
| These specification items are subject to revision for improvement without notice. |
|
| GRI-800NⅡ |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ500mm |
| Max. hole length(depth) to be ground |
300mm |
| Swing over table |
Φ800mm |
| Range of work spindle speeds |
28～500rpm |
| Maximum stroke of table |
800mm |
| Rapid-traverse feed rate |
(Z-axis) 9,000mm/min |
| Range of grinding feed rate |
(Z-axis) 0.1～4,000mm/min |
| Longitudinal adjustment of wheelhead |
(Z-direction) 300mm |
| Movement of wheelhead(X-axis) |
100mm toward front, 150mm toward rear(from table center) |
| Rapid-traverse feed rate |
(X-axis)4,500mm/min |
| Wheel infeed feed rate |
(X-axis) 0.1～4,000mm/min |
| Cross adjustment of workhead |
100mm toward front, 350mm toward rear(from table center) |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
|
| These specification items are subject to revision for improvement without notice. |
|
| GRI-1000NⅡ |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ500mm |
| Max. hole length(depth) to be ground |
500mm |
| Swing over table |
Φ800mm |
| Taper in work spindle hole |
MT6 |
| Range of work spindle speeds |
10～180rpm |
| Cross adjustment of workhead |
100mm toward front, 350mm toward rear(from table center) |
| Maximum stroke of table |
1,000mm |
| Rapid-traverse feed rate |
(Z-axis) 9,000mm/min |
| Range of grinding feed rate |
(Z-axis) 0.1～4,000mm/min |
| Longitudinal adjustment of wheelhead |
(Z-direction) 800mm |
| Movement of wheelhead(X-axis) |
100mm toward front, 350mm toward rear(from table center) |
| Wheel infeed feed rate |
(X-axis) 0.1～4,000mm/min |
| Rapid-traverse feed rate |
(X-axis) 4,500mm/min |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
|
| These specification items are subject to revision for improvement without notice. |
|
| GRI-1000NⅡ M3 |
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| ■Specifications |
| Hole dia. to be ground |
Φ30～Φ300mm |
| Max. length of work piece |
1,200mm |
| Max. Hole Length to be ground |
from front 320mm |
| Swing over table |
500mm |
| Range of work spindle speeds |
10～180rpm |
| Maximum stroke of table |
650mm |
| Rapid-traverse feed rate |
(Z-axis) 12,000mm/min |
| Range of grinding feed rate |
(Z-axis) 0.01～4,000mm/min |
| Movement of infeed table |
(Z-direction) 200mm |
| Movement of wheelhead(X-axis) |
50mm toward front, 275mm toward rear(from table center) |
| Rapid-traverse feed rate |
(X-axis) 12,000mm/min |
| Wheel infeed feed rate |
(X-axis) 0.01～4,000mm/min |
| NC minimum programmable increment |
(Z-axis) 0.0001mm (X-axis)Φ0.0001mm |
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| These specification items are subject to revision for improvement without notice. |
|
| GRI-1500NⅡ |
 |
| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ500mm |
| Max. hole length(depth) to be ground |
600mm |
| Swing over table |
Φ800mm |
| Taper in work spindle hole |
MT6 |
| Range of work spindle speeds |
10～180rpm |
| Cross adjustment of workhead |
100mm toward front, 350mm toward rear(from table center) |
| Maximum stroke of table |
1,500mm |
| Rapid-traverse feed rate |
(Z-axis) 9,000mm/min |
| Range of grinding feed rate |
(Z-axis) 0.1～4,000mm/min |
| Longitudinal adjustment of wheelhead |
800mm |
| Movement of wheelhead(X-axis) |
100mm toward front, 350mm toward rear(from table center) |
| Wheel infeed feed rate |
(X-axis) 0.1～4,000mm/min |
| Rapid-traverse feed rate |
(X-axis) 4,500mm/min |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
|
| These specification items are subject to revision for improvement without notice. |
|
| GRI-2000NⅡ |
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| ■Specifications |
| Hole dia. to be ground |
Φ50～Φ500mm |
| Max. hole length(depth) to be ground |
1,000mm |
| Swing over table |
Φ1,000mm |
| Taper in work spindle hole |
MT6 |
| Cross adjustment of workhead |
100mm toward front, 350mm toward rear(from table center) |
| Range of work spindle speeds |
10～180rpm |
| Clutch in work spindle |
Electromagnetic clutch type |
| Maximum stroke of table |
1,650mm |
| Rapid-traverse feed rate |
(Z-axis) 9,000mm/min |
| Range of grinding feed rate |
(Z-axis) 0.1～4,000mm/min |
| Movement of wheelhead(X-axis) |
200mm toward front, 250mm toward rear(from table center) |
| Wheel infeed feed rate |
(X-axis) 0.1～4,000mm/min |
| Rapid-traverse feed rate |
(X-axis) 4,500mm/min |
| NC minimum programmable increment |
(Z-axis) 0.001mm (X-axis)Φ0.001mm |
|
| These specification items are subject to revision for improvement without notice. |
|
| GRI-1000B・1500 |
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| ■Specifications |
|
1000B |
1500 |
| Hole dia. to be ground |
Φ50～Φ700mm |
Φ50～Φ700mm |
| Max. hole length(depth) to be ground |
500mm |
600mm |
| Max. length of work piece |
1,000mm |
1,500mm |
| Swing in front of work head |
Φ850 |
Φ850 |
| Taper in work spindle hole |
MT #5 |
MT #5 |
| Range of work spindle speeds |
Infinitely variable 10 to 150 rpm |
Infinitely variable 10 to 150 rpm |
| Swivel adjustment of workhead |
±15° |
±15° |
| Clutch in work spindle |
Electromagnetic clutch type |
Electromagnetic clutch type |
| Cross adjustment of workhead(from table center) |
100mm toward front, 350mm toward rear |
100mm toward front, 350mm toward rear |
| Workhead movement per revolution of handwheel |
6mm |
6mm |
| Swing over table |
800mm |
800mm |
| Maximum stroke of table |
1,200mm |
1,200mm |
| Table traverse rates |
130、216、355、324、590、900 |
130、216、355、324、590、900 |
| Movement of wheel table |
100mm toward front, 100mm toward rear(from table center) |
100mm toward front, 100mm toward rear(from table center) |
| Wheelhead movement per revolution of handwheel |
2mm on work radius |
2mm on work radius |
| One graduation of wheel index dial |
0.005mm on work radius |
0.005mm on work radius |
| Automatic wheel infeeds |
0.005mm to 0.03mm on work radius |
0.005mm to 0.03mm on work radius |
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| These specification items are subject to revision for improvement without notice. |
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