IMPA: 632421

Rolling Centers (Live Centers) – IMPA 632421

These rolling centers, also known as live centers, are essential cutting tool accessories for lathe operations in shipbuilding and marine engineering. They provide stable support for workpieces during turning and facing, reducing vibration and improving machining accuracy. Manufactured from hardened alloy steel, these centers offer excellent wear resistance and long service life even under heavy-duty marine fabrication conditions.

The set conforms to IMPA 632421 and includes interchangeable heads with standard Morse taper shanks, ensuring compatibility with a wide range of lathes and headstock spindles. Precision ground points deliver concentric rotation, making them suitable for both machining and inspection applications. Whether you are working on shafts, bushings, or propeller repair, these rolling centers enhance productivity and finish quality in any marine workshop.

Key Features

Technical Specifications

SpecificationDetails
Product TypeRolling Center (Live Center) Set
IMPA Code632421
Shank TaperMorse Taper No. 2, 3, and 4
Point TypeStandard 60° hardened point
Hardness58-62 HRC
Concentricity≤ 0.005 mm
Max Recommended Speed3,000 RPM
Weight (Set)2.5 kg
Package Includes3 rolling centers, 2 interchangeable points, wooden storage case

Frequently Asked Questions

What are rolling centers used for?

Rolling centers, or live centers, are mounted on the tailstock of a lathe to support the free end of a workpiece. They rotate with the workpiece, reducing friction and preventing deflection during turning, facing, or drilling operations.

Are these centers compatible with all lathes?

These centers have standard Morse taper shanks (MT2, MT3, MT4) for mounting into the tailstock or headstock spindle. Most lathes accept one of these tapers, but you should verify your machine's spindle taper size before ordering.

Can I replace the tips on these rolling centers?

Yes, the tips are interchangeable. The set includes both a standard 60° point and a smaller point for different workpiece profiles. Replacement tips can be ordered separately.

Are these suitable for heavy marine machining?

Absolutely. The hardened alloy steel body and precision bearings provide the strength and rigidity needed for marine shaft repairs, propeller machining, and other heavy-duty applications.

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