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  2. Workpiece clamping technology
  3. Lathe chucks
  4. Power lathe chucks without through-hole
  5. ROTA NCR-A
ROTA NCR-A

ROTA NCR-A

Sealed 6-jaw power lathe chuck
Sealed 6-jaw power lathe chuck with pendulum mechanism for low-deformation clamping and maintenance intervals three times as long.
Variants
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Description

Advantages – Your benefits

  • Sealed power lathe chuck
    For significantly longer maintenance intervals
  • Precision angle lever power lathe chuck for top quality demands
    Allows excellent machining processes
  • High efficiency of the angle lever system
    Process-reliable clamping due to high clamping forces
  • Optimum jaw support for O.D. and I.D. clamping due to a very long base jaw guidance
    Allows high clamping forces at a long service life
  • Optimized lubrication system
    Consistently high clamping forces are ensured
  • Media feed-through (coolant or air) as standard option integrated in the chuck body
    Flexibility depending on the application
  • Low height
    For maximum utilization of the machine room
  • Deformation sensitive clamping of thin-walled workpieces
    High degree of roundness of the workpieces
  • Very accurate clamping of non-circular components
    Perfect for castings
  • Turning ring simplifies and optimizes top jaw boring/machining
    Easy handling during boring/machining top jaws
  • All functional parts are ground and hardened
    Ensures a long life span

Options and special information

  • Sealed 6-jaw compensation chuck for deformation sensitive clamping of thin-walled workpieces
    The SCHUNK ROTA NCR-A consists of a central chuck piston carrying three inner pendulums aligned at 120°. Each pendulum is connected to two base jaws. This ensures workpiece centering between six contact points, which can be adjusted in pairs. As the clamping forces are directed towards the chuck center, optimum centering is achieved without redundant dimensioning of the workpiece.
  • The special seals located on the serrated jaw interface and pistons of the SCHUNK ROTA NCR-A prevent grease from being flushed out and prevent the clamping force from being gradually lost. In addition, the seal prevents chips or dirt from ingress into the chuck body. This increases process reliability and lengthens maintenance intervals, translating into less frequent lubrication, and cleaning of the lathe chuck.
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