Featured Product LB3000 EX III

Wondering what this horizontal lathe can do for your shop? Intentional master craftsmanship meets cutting-edge technology for improved machining quality, speed, power, and torque.

View this machine at IMTS 2024!

LEARN MORE

Connect Plan

Connect. Visualize. Improve. With Okuma’s Connect Plan, gain visibility of your plant floor that will help you optimize machine operations and discover actionable insights for increased profitability.
Learn More
Connect Plan Lite

Preview Connect Plan on a single machine with just a quick download from the Okuma App Store. View operating history and production rates in visual graph format and see alarm history with live links to alarm details, all on an easy-to-read display.
Learn More

FREE SPINDLE EVALUATION: BRING US YOUR BEST QUOTE

Send us another company’s quote on your horizontal or vertical machining center's spindle cartridge repair - if we can’t be competitive, we’ll give you a $50 VISA gift card.
Learn More
AVAILABLE NOW! OKUMA CARE KITS

With an emphasis on preventive maintenance to keep your machine tool running, our CARE Kits help ensure your Okuma machine tool's mechanical, electrical, lubrication, airflow, and coolant systems will continue to operate in “like-new” condition.
Learn More

The Okuma Machinist's Handbook

Discover helpful resources and tips from Okuma, made for your shop floor.
Learn More
Okuma Webcast

Watch Okuma’s webcasts to expand your knowledge on a variety of manufacturing-related topics through the lens of Okuma’s machine tools and technologies.
Okuma Webcast

view all grinders

GI-20NII

contact a distributor Request a quote

download brochure

Product Detail

Our GI-20N high-speed I.D. CNC grinder delivers accuracy and power in a compact design. Capable of simultaneous 2-axis control, this model is extremely flexible in handling a wide variety of workpiece shapes in a simple data setting. Centralized control of lubricating and pneumatic devices allows for easy maintenance, while simplified programming and the program help function allow for easy operation.

Learn more about Grinders.

Highlighted Specs

Inches

Metric

download brochure for more details

Perfect Automation Pairings

This machine tool is compatible with the following automation solutions for increased production, accuracy, and efficiency across your operations.

EXPLORE AUTOMATION

Bar Feeders →

Automatic Pallet Changers →

Flexible Manufacturing Systems →

Gantry Loaders →

Pre-kitted Cells →

Industrial & Integrated Robotics →

Armroid →

Cobots →

Standroid →

Resources

GI-20NII CNC Internal Grinder

Avoid These “Productivity Killers” During CNC Grinder Changeovers

7-Step Spindle Changeover for ID Grinders

visit the knowledge center

What can we do to help?

Your local Okuma distributor will be happy to give you a call or visit your facility to discuss your machine tool needs.

Bore Range - with 100mm (3.95) OD Wheel	in	Ø0.20-11.81
Max Grinding Length - 1WS/2WS	in	7.87
Max Grinding Length - Center Rest Option	in	11.81
Max Grinding Length - 4WS	in	5.12
Workhead Spindle Bore	in	Ø2.76
Rapid Traverse	ipm	472
Available Spindles:	Belt Driven High Frequency	max: 40,000 rpm max: 150,000 rpm

Bore Range - with 100mm (3.95) OD Wheel	mm	Ø5-300
Max Grinding Length - 1WS/2WS	mm	200
Max Grinding Length - Center Rest Option	mm	300
Max Grinding Length - 4WS	mm	130
Workhead Spindle Bore	mm	Ø70
Rapid Traverse	m/min	12
Available Spindles:	Belt Driven High Frequency	max: 40,000 rpm max: 150,000 rpm

GI-20NII

Product Detail

Highlighted Specs

Perfect Automation Pairings

Resources

Related Products

GI-10NII

What can we do to help?

GI-20NII