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MODEL GI-20N OKUMA CNC INTERNAL GRINDING MACHINE

GRINDER INTERNAL
Manufacturer:
MISC.
Model:
G1-20N
Year:
1986
Stock #:
2956
MODEL GI-20N OKUMA CNC INTERNAL GRINDING MACHINE

Capacities
Range of grinding bore 0.20" - 11.81"
Maximum grinding depth 7.87"
Swing inside chuck guard 15.75"
Work length 7.87"
Work weight x length 330 lbs x 7.87"
Work Spindle
Spindle nose diameter 3.94"
Spindle nose 2.76"
Spindle speed range 100 750 RPM
Spindle speed changes Infinitely variable
Work Head
Swivel angle 10 degrees
Work Head Cross Slide (X-Axis)
X-Axis travel 1.97" - 5.91"
Auto - infeed rate .00002 - 118 IPM
Positioning rate 472 IPM
Table (Z-Axis)
Z-axis table travel 19.69"
Auto - infeed rate .00002 - 118 IPM
Positioning rate 472 IPM
Wheel Head
Swivel angle 5 degrees
Travel - left to right 13.78"
Approximate weight 9,240 lbs.

MOTOR SPECIFICATIONS

7 1/2 HP Wheel spindle drive motor

OSP 5000 GG Controls with color and graphics
One (1) BA25-32 grinding head with 1.575" to 2.480" range and 20,000
to 30,000 RPM
One (1) BA50-16 grinding head with 3.150" to 5.118" range and 10,000
to 16,000 RPM
One (1) BA65-13 grinding head with 3.937" to 7.874" range and 6,300
to 13,000 RPM
9" Three jaw power chuck
Three position diamond hydraulic dresser
Coolant and magnetic separator

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