Zero Max a/s - mechanical transmission of power

Couplings - overview

What is a Coupling?

A coupling is a device that transmits torque & rotation between two shafts that are reasonably inline. Many people do not realize its significance in a power transmission system – until it’s too late.

  • The ZERO-MAX CD Coupling was developed by Zero-Max Inc in the late 1980’s.
  • Introduced in 1992 – 3 styles offered in tailor made design up to OD 4' / 1,2 meter.
    - Field tested 1988-1991
  • Patented open arm design.
    - Patent granted 1993

Features and Benefits

Features and Benefits of the Zero-Max Composite Coupling:

  • Zero backlash
    • Required for reversing loads and endurance
  • High torsional stiffness
    • The Composite Disc Pack allows for a surplus of angular and axial misalignment while its high torsional stiffness avoids resonance throughout the operating range
  • Maintenance free
    • No lubrication required
  • Very high misalignment capabilities
    • Double flex can accommodate very high misalignments

  • Low reaction forces
    • Extends gearbox and generator bearing lifetime
  • Longer Life than conventional discs
  • No disc failures due to fretting or corrosion
  • Disc Pack designed and rated for infinite fatigue life
  • Disc material has a proven track record
    • this product is known for high performance in various applications for more than 40 years
  • Flex elements electrically insulated
    • Eliminates current leak from the generator across the coupling to the gearbox, preventing gearbox bearing damage.
  • Wide temperature range of disc material, -70° F to 250°F
  • Disc material has excellent chemical resistance