Used Okamoto IGM15NCIII-2 CNC Internal Grinder

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Product Highlight

Used Okamoto IGM15NCIII-2 CNC precision internal grinding machine offers a practical solution for manufacturers requiring accurate and repeatable internal bore grinding. Its Japanese-built construction, Ø6–100 mm grinding capacity and dual-spindle design make it suitable for precision components, stepped bores, tapered surfaces and demanding production grinding work.

Product Description

Used Okamoto IGM15NCIII-2 CNC precision internal grinder from Japan is designed for accurate bore grinding and precision component manufacturing. With a Ø6–100 mm internal grinding capacity, 125 mm grinding stroke and dual-spindle configuration, it is well suited for stepped bores, precision holes and production grinding applications.

The IGM15NCIII-2 series is designed to perform multiple grinding operations in a single setup. Okamoto states that the model can handle stepped holes, end faces, tapers and external peripheral grinding using its two grinding spindles, helping improve concentricity and perpendicularity between machined surfaces.

Technical Specifications

Specification	Details
Machine Type	CNC Precision Internal Grinding Machine
Brand	Okamoto
Model	IGM15NCIII-2 / IGM15NCⅢ-2
Equipment Condition	Used
Country of Origin	Japan
Internal Grinding Diameter	Ø6–100 mm
Grinding Stroke	125 mm
Swing Inside Chuck Guard	Ø260 mm
Grinding Spindle Motor	1.8 kW
Grinding Spindle Configuration	Dual Spindle
Control Type	CNC
Machine Weight	Approx. 2,800 kg
Serial Number	10614
Primary Process	Precision Internal Diameter Grinding

Series functions: Okamoto describes the IGM15NCIII-2 as a CNC precision internal grinding machine with automatic machining-data setup, touch-panel operation and a closed-loop scale feedback system for improved dimensional control.

Applications & Suitable Industries

Used Okamoto IGM15NCIII-2 internal grinder is suitable for manufacturers that require repeatable precision on internal diameters and related surfaces. Typical applications include bearing components and inner races, precision bushings and sleeves, automotive and transmission components, hydraulic and pneumatic components, spindle housings, tooling and die components, tapered or stepped bores, and parts requiring accurate relationships between bores and end faces.

Its dual-spindle configuration is particularly useful when several grinding operations need to be completed with fewer workpiece setups. The manufacturer specifically identifies stepped-hole, end-face, taper and external peripheral grinding as capabilities of the IGM15NCIII-2 series.

FAQ

What internal diameter range can this machine grind?

The stated internal grinding range for this unit is Ø6–100 mm, with a maximum grinding stroke of 125 mm, making it suitable for a wide variety of precision bore-grinding applications.

Can the IGM15NCIII-2 grind stepped holes and tapered bores?

Yes. The IGM15NCIII-2 series uses two grinding spindles and is designed for operations including stepped-hole grinding, end-face grinding, taper grinding and external peripheral grinding in a single chucking setup. Exact installed functions and accessories should be confirmed before purchase.

Is this machine suitable for production grinding?

Yes. The CNC configuration makes the machine suitable for repeat production of precision components. The series also incorporates automatic grinding-condition setup functions intended to simplify data entry and improve machining consistency. Actual production rate will depend on the workpiece, grinding wheel, material and required tolerance.