Okuma GP-24N CNC CYLINDRICAL GRINDER

OKUMA GP-24N CNC CYLINDRICAL GRINDER
Year: 1989

STANDARD SPECIFICATIONS
Distance between centers………………………………………. 13.78”
Swing over table………………………………………………… 9.06”
Maximum diameter of work to be ground…………………….... 4.13”
Maximum grinding wheel width……………………………….. 1.97”
Maximum work weight (between centers)……………………... 98 lbs.
Maximum work weight (on live spindle)………………………. 44 lbs.

Grinding Wheel
Grinding wheel dimensions………………… 15.94” x 1.97” width x 5”
Grinding wheel spindle speeds…………………… 2120 – 2600 RPM
Number of wheel spindle speed changes………………………........ 2
Maximum wheel peripheral surface speed... 2700 m/min – 8858 FPM

Wheel Head Assembly X-Axis
Overall travel…………………………………………………… 11.61”
Travel per revolution of pulse generator
hand wheel (pulse handle)……………… ø0.004”, ø0.039”, ø0.197”
Travel per division of pulse generator
hand wheel index dial…………………… ø0.00004”, ø0.0004”, ø0.002”
Automatic infeed rates………………………… ø0.000047” – ø236.22”
Rapid traverse rate (positioning)………………………… 472.44 IPM

Table Z-Axis
Overall travel……………………………….…………………. 22.05”
Travel per revolution of pulse general
hand wheel (pulse handle)…………………… 0.004”, 0.039” , 0.20”
Travel per division of pulse generator
hand wheel index dial……………………… 0.00004”, 0.0004”, 0.002”
Automatic infeed rates…………………………… 0.00024 – 236 IPM
Rapid traverse rate (positioning)……………………… 472.44 IPM
Table swivel angle…………………………………………… +1°

Work Head C Axis
Taper in work spindle bore………………………… Morse Taper No. 4
Work spindle speeds…………………………………… 10 – 800 RPM
Number of work spindle speed changes…………………… Infinite

Footstock – Hydraulic
Taper in work spindle bore…………………… Morse Taper No. 4
Automatic stroke………………………………………………. 1.97”

Electric Motors
Grinding wheel spindle (OD/Face)…………… 4.93 HP – 5.33 Poles
Work spindle (C-Axis)………………………………………… 0.66 HP
Coolant pump…………………………………… 0.24 HP – 2.7 Poles
Hydraulic / lube pump……………………………… 1 HP – 5.3 Poles
Wheel spindle lube pump……………………… 0.13 HP – 5.3 Poles
Servo motor – X-Axis drive……………………… 1.6 HP (brushless)
Servo motor – Z-Axis drive……………………… 1.6 HP (brushless)

Tank Capacities
Hydraulic / lube oil tank………………………………… 10.57 gallons
Wheel spindle lube oil tank…………………………… 5.29 gallons
Coolant tank…………………………………………… 26.42 gallons

Numerical control system…………………………... Okuma OSP

Controlled Axes……………………………………… 3 Axes (C, X and Z)
Simultaneous 2-Axes
Overall machine height……………………………… 716.73”
Floor space required…………………………………. 111.71” x 92.68”
Net machine weights………………………………… 8360 lbs.

EQUIPMENT & FEATURES
Marposs E5 with probe.
Hydraulic tail stock.
Servo on head stock.
Servo controlled table traverse & infeed.
Willy Vogel auto lube system.
Attached electrical panel.