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OKUMA MODEL GI-20NSI CNC INTERNAL GRINDER

GRINDER INTERNAL
Manufacturer:
OKUMA
Model:
GI-20NSI
Year:
1993
Stock #:
7443
OKUMA MODEL GI-20NSI CNC INTERNAL GRINDER

Range of grinding bore 0.20"-11.81"
Maximum grinding depth 7.87"
Swing inside chuck guard 15.75"
Spindle speed range (infinitely variable) 100 750 RPM
Swivel angle of workhead 10 degrees
X-Axis (work head travel) 1.97"-5.91"
Auto-infeed rate .00002-118 IPM
Positioning rate 472 IPM
Z-axis (table travel) 19.69"
Auto-infeed rate .00002-118 IPM
Positioning rate 472 IPM
Swivel angle of wheel head 5 degrees
Travel-left to right 13.78"
Approximate weight 9,240 lbs.

MOTOR SPECIFICATIONS

7 1/2 HP (5.5 KW) A/C Wheel spindle drive motor

OSP 500 GG CNC control
(4) station turret for I.D. spindles
(4) 6 Kva power sources
Renishaw touch probe
(2) 15,000 -30,000 RPM high frequency
(1) 25,000 - 45,000 RPM high frequency
Micro centric chuck
Swing down rotary dresser
Cyclonic coolant separator system
Spindle chiller

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