DUNKES - When only the best will do

  • Press stability
  • High availability of presses
  • Core competencies in press
  • Reliable and robust press technology

4 column punch press (HS 4)

DUNKES punching and drawing process are designed and supplied as single column, frame or multi-column configurations in accordance with the respective needs of our customers. Frame designs based on finite element modelling is the basis for a torsion resistant steel weldment construction.

Integrating a hydraulic cutting force damper into this cylinder system or on the press bed extends the service life on tools and the frame.

Off-centre forces can be essentially compensated with overextended flat guides, and with a hydraulic parallel support in combination with the cutting force damper elements.

All versions are equipped with various controls and tool clamping systems. Depending on the task, various guide versions such as 8-fold/6-fold flat or column guides are used, in consideration of the tool design and the component geometry. As a matter of course, each flat guide is individually adjustable and can be fine-tuned.

The shown press types and systems will show you a small cross-section from this product segment. Because of the high market requirements on our customers, a significant aspect is that DUNKES is able to offer combined technologies, e.g. punching and drawing in one plant.

Each press is fabricated specifically to your needs. Options such as motion controlled by cushions, press frame open to the rear, active and passive drawing, can be implemented on demand.

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Standard configuration

  • Two-hand safety controls iaw UVV [German occupational accident prevention regulations]
  • Oil reclaim filter with display
  • Operating hour meter, stroke counter
  • Ram backstroke via pressure-time circuit. The holding force of the ram under pressure can be selected between 0.1 and 9.9 seconds.
  • Continuously adjustable press force (approximately 10 – 100%)


  • Light curtain control with single and dual cycle, as well as safety gate
  • Two-hand control, can be switched to precision joystick control
  • Mechanical Stroke limiter of the press ram, motor adjustment
  • Hydraulic die clamping.
  • Oil reservoir with unit and hydraulic control, staged separately next to the press
  • Ram plate
  • Turn buckle for spigot clamp in the ram plate
  • Ram guide in the round the columns of the press
  • Oil cooler
  • Oil pan installed under the press frame as oil drip pan