Live Center: Low-Friction Support for Long-Shaft Lathe Machining

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Live Center: Rotating Support for Machining Operations

This page provides an overview of live centers, precision tools used in lathes and milling machines to support the free end of long workpieces during machining. Unlike dead centers, live centers rotate with the workpiece, reducing friction and heat. Topics include their design (e.g., Morse taper shank, ball bearing interior), applications in turning/grinding, and benefits like improved accuracy and workpiece stability.
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Advantages of the product

Precision Alignment

Ground tips (runout ≤0.002mm) ensure concentricity, critical for components requiring tight dimensional tolerances (e.g., turbine rotors, optical lens shafts). Complies with ISO 2338 standards for center accuracy.

Related products

Due to the carbide tipped bearing assembly, carbide live centers have properties far superior than steel when it comes to wear resistance and hardness, which is 1400HV. This also makes these centers ideal for high-speed (up to 8000rpm) turning of tool steels and Inconel. While the sealed cartridge bearings which are lubricated for life further reduce friction heat, boosting efficiency, the precision ground tips optimize runout for concentricity in aerospace shafts and medical implants to ≤0.002mm.

Frequently Asked Questions

What speed capabilities do live centers have?

Premium models with hybrid ceramic bearings support speeds up to 10,000rpm, dynamically balanced to G2.5 standards for high-frequency machining of aerospace aluminum.

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Customer Reviews

Toby

The ground tip (runout ≤0.002mm) ensured concentricity in optical lens shafts, critical for laser alignment systems. Graphite-impregnated bearings worked flawlessly in low-force plastic machining.

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dead center high speed live center heavy duty live center light duty live center carbide live center
Low Maintenance Design

Low Maintenance Design

Sealed cartridge bearings resist coolant and debris ingress, requiring no regular lubrication. Labyrinth seals extend bearing life to 20,000+ hours in harsh machining environments.
Material Compatibility

Material Compatibility

Carbide-tipped live centers (hardness 1400HV) handle hard materials like Inconel and tool steel, while graphite-impregnated bearings suit low-force applications in plastics and brass.
Cost-Effective Solution

Cost-Effective Solution

Prevents workpiece scrap due to overheating, saving 20-30% in material costs for long-axis components. Ideal for both CNC and manual lathes in job shops and production facilities.