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Why use carbon graphite spindle shafts?

Carbon composite spindle shaft can not only remove critical weight at the machine head but also has demonstrated the added benefits of:

  • Zero thermal expansion,
  • High dynamic stiffness and reduced vibration allowing increased rpm of the cutting head.

This hybrid carbon-metal technology has led to development of other end of tool applications including: tool holder, chuck and even the cutting tool itself.

Examples:
FUKUDA Spindle Shafts

Target:
fukuda-shaft

  • Zero Axial Expansion
  •  Light weight
  • Dynamic Stiffness
  • Reduce Vibration

Status: Successfully tested by Fukuda

Electro spindle

Compared to steel original:

Electrospindle
  • 10 x less thermal expansion
  • 5 x better damping
  • 3 x lower mass
  • equivalent bending stiffness
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