OKUMA GI-20NII CNC High-Speed I.D. Internal Grinder – Year 2019
Bore Grinding Range: Ø0.20 – 11.81”
Max Grinding Depth: 7.87”
Max Work Piece Weight: 330 LBS
Workhead Spindle Bore: Ø2.76”
Swing With Chuck Guard: 15.75″
Rotation Speed Range: 100-750 RPM
Spindle Speed: Belt-driven up to 40,000 RPM / High-frequency up to 150,000 RPM
Rapid Traverse: 472 IPM
Machine Dimensions (W × D × H): 98.03” × 119.02” × 71.18”

Equipped With:

Okuma OSP-P300GA Control
Centering/FIxture test bar HK15
Centering/Fixture test bar HK30
Filter System Mag./Paper SMFP8
I/O Variable
Prep. For air chuck
Spindle HK157 15k Front
Spindle HK307 30K Rear
Auto Door w/ dual cycle start
Marcos’s Acoustic Sensor
Rotary Dresser
DTS-1300 Rotary dresser
DTS-1300 Rotary dresser package
Spare M-COde (4 sets)
Prep for Mist 6” Grinder
Robot/loader
Microcentric pitch line chuck system