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Next Tech Solutions Pvt. Ltd.
Delhi
Contact : +91-9811117375
Email info@nexttech.in
Nissin Machine >> Nissin Product >> CNC Vertical Rotary Grinding Machine

CNC Vertical Rotary Grinding Machine – VRG Series  

 

VRG series is equipped with Single or preferably Twin Grinding Heads for Grinding Outer and Inner diameter of job in single component setup to provide unmatched precision. 

High Rigidity and less vibration construction and availability of wide range of Induction and Hyper Spindles makes VRG ideal choice for grinding Spindle Cartridges, Bearings, Gears, Housings, etc.

 

Hole dia. to be ground

Φ250mm

Φ50~Φ600mm

Max. hole length(depth) to be ground

300mm

450mm

Swing over table

Φ700mm

Φ1,000mm

Wheel spindle speed

5,000~20,000rpm

4,000~12,000rpm

Range of work spindle speeds

30~300rpm

5~150rpm

Max. stroke of wheelhead table

(Z-direction) 300mm

500mm

Rapid-traverse feed rate

(Z-axis) 12,000mm/min

(Z-axis) 12,000mm/min

Range of grinding feed rate

(Z-axis) 0.1~4,000mm/min

(Z-axis) 0.01~4,000mm/min

Movement of infeed table

(X-axis) 750mm

(X-axis) 1,100mm

Rapid-traverse feed rate

(X-axis) 12,000mm/min

(X-axis) 12,000mm/min

Wheel infeed feed rate

(X-axis) 0.1~4,000mm

(X-axis) 0.01~4,000mm/min

Minimum Movement by  manual pulse generator (Z-axis)

0.001mm

 0.001mm

Minimaum  movement by manual pulse generator (X-axis)

Φ0.001mm

Φ0.001mm

NC minimum programmable increment

(Z-axis) 0.001mm (X-axis)Φ0.001mm

(Z-axis) 0.001mm (X-axis)Φ0.001mm



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



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

 

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

 

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

 

(A-axis) 0.0001、0.001、0.01、0.1mm

(A-axis) 0.0001、0.001、0.01、0.1mm

 

(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

 

(A-axis) 0.0001mm (B-axis) 0.0001mm

(A-axis) 0.0001mm (B-axis) 0.0001mm

 

(Centering-axis) 0.001mm

(Centering-axis) 0.001mm