Belt Type Spindle
  • Spindle Precision: ISO 1940 Dynamic Balance G0.4 verified, which provides a high level of precision and high performance.
  • Bearing Lubrication: Grease lubrication
  • Structure: The spindle adopts a large-span fixed-position preload design with high rigidity and low vibration.
  • Drawbar Mechanism: Using German Disc spring to confirm the stability of the strength of the clamping force and life of Disc spring.
  • Front Sealing Design: The front end of the spindle is designed with air curtain and labyrinth seal, which can effectively prevent the internal structure from being polluted by cutting fluid and impurities, and improve the life and reliability of the spindle. The spindle is equipped with a ring spray system, which is convenient for customers to use according to processing requirements.   
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    Belt Type Spindle
    Model B430C B420C B570C B590C B580C
    Housing OD (mm) Ø120 Ø150 Ø155 Ø190 Ø200
    Max.speed 12,000rpm 12,000rpm 10,000rpm 10,000rpm 10,000rpm
    Taper BBT40 BBT40 BBT50 BBT50 BBT50
    Clamping Force (kgf) 850±100 850±100 1500±200 1800±200 1800±200
    Bearing ID (mm) Ø60 Ø70 Ø85 Ø100 Ø100
    Lubrication Grease Grease Grease Grease Grease

    Dimension Drawing

    B430C Series BT40-Ø120 Belt Drive Spindle

    B420C Series BT40-Ø150 Belt Drive Spindle

    B510C Series BT50-Ø190 Belt Drive Spindle