DockLock Pneumatic Zero-Point Clamping System



A pneumatic Zero-Point clamping system runs on existing shop air readily available in every machine shop. The Kurt DockLock Airline system is a high precision system which can reduce set-up time by over 90% by rapid change-out of large and small machine fixtures. The system features a tapered plug design to aid in positioning and clamping in one easy step even when the pallet has a slight tilt.


Kurt zero-point system uses a form-fitting clamping design with self-locking clamp segments and tapered plug design which creates a powerful, 3-surface contact and lock-down force pulling the plugs all the way into the cylinders. The system design prevents vibration and tilting with the lock-down force not found in other zero point systems. This is a vitally important feature for 5 axis machining and horizontal CNC’s, which can induce an enormous amount of force on the holding system. The system uses 2,880 lb. of pull-in force and 9,000 lb. of retention force to securely hold the docking system in place.


The system is comprised of flanged cylinders and tapered plugs which can be easily incorporated into a machine shops fixturing systems as needed. Or they can be integrated into preconfigured base plates and pallets available from Kurt. Additional standard features of the DockLock system include air-blast cleaning to remove debris from the flange, compact tapered plug design, mechanical clamp and air unclamping, and pallet monitoring ports for adding sensors.


Features and Benefits:

  • Setup changes parallel to machining reduces machine downtime by as much as 90%
  • Zero-point repeatable accuracy of 0.0002 in.
  • Pull-in force of 2,800 lb.
  • Retention force of 9,000 lb.
  • Maximum operating pressure: 170 PSI
  • Work can be interrupted at any time, providing flexibility for urgent projects without losing zero-point accuracy
  • Designed for easy integration into your CNC setup
  • Dynamic form-fit clamping capabilities
  • Helps improve surface finish and increase tool life


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