Pneumatic Kraftformer Eckold KF 800

Pneumatic Kraftformer Eckold KF 800


Eckold Kraftformer KF 800 is a large-scale stationary forming machine that holds a leading position in the Kraftformer line due to its massive 800 mm horizontal reach. This machine is designed for the cold forming of large and voluminous sheet metal parts, offering unparalleled flexibility when working with deep-set areas. The drive is powered by pneumatics (compressed air).

  • Purpose: Shrinking, Stretching, Planishing, and Doming of large-scale sheets and profiles.

  • Field of Application: Aerospace and automotive industries (especially classic car restoration), tank construction, railway transport manufacturing, and large-scale architectural restoration.

  • Key Feature: The largest horizontal reach in the Kraftformer class, controlled via pneumatics and a foot pedal.

Advantages and Features

  • Extra-Large Horizontal Reach (800 mm): This key characteristic provides excellent accessibility for working with large panels, such as car roofs, large aircraft skins, or oversized containers, which is impossible on smaller machines.

  • Flexible Operating Modes: Similar to the KF 170 PD, the machine offers two modes:

    • Single Stroke: For precise corrections, fitting, and using specialized tools (e.g., clinching).

    • Continuous/Multi-Stroke: For fast, efficient forming of large curvatures.

  • High Precision and Repeatability:

    • Digital Display: Shows the ram position with a precision of 0.1 mm.

    • Stroke and Force Adjustment: Allows for accurate pre-selection and control of the forming force, which is critical for expensive and unique large-scale parts.

  • Ergonomics and Setup: The working height of the machine can be adjusted or moved to two additional positions, improving ergonomics when working with complex and massive workpieces.

  • "K-Adapter" Tool System: Utilizes the professional Eckold K-adapter system, allowing tools to be changed in seconds, including "no-mar" shrinking dies.

Standard Equipment

  • Kraftformer KF 800 Body: Massive and rigid C-frame designed to minimize deflection under heavy loads.

  • Pneumatic Drive: High-performance pneumatic cylinder for providing working force.

  • Electronic Control: Control panel for selecting the stroke mode and monitoring the ram position.

  • Control Pedal: Foot switch for convenient and safe process control, freeing the operator's hands.

  • Ram Adjustment Mechanism: Handwheel for 20 mm height adjustment of the upper ram.

  • Tooling System: Mountings for tools according to the K-adapter standard.

Options

  • Planishing Sets: Specialized tools for smoothing surfaces and removing marks left by forming tools.

  • No-Mar Shrinking/Stretching Tools: Inserts with non-metallic components for working with polished or sensitive materials.

  • Clinching and Punching Sets: Specialized tools that fully utilize the potential of the machine's single-stroke mode.

  • Doming Tool Sets: For forming spherical or dome-shaped surfaces.

  • Air Preparation System: Filters, regulators, and dryers to ensure optimal operation of the pneumatic drive.

Technical Specifications

Parameter Value
Max. Thickness (Steel ) 2.0 mm
Max. Thickness (Aluminum ) 2.0 mm
Max. Thickness (Stainless Steel ) 1.5 mm
Horizontal Reach (Throat Depth) 800 mm
Vertical Working Height 446 mm
Working Air Pressure (Max.) 5.5–6 bar
Ram Position Adjustment 20 mm
Ram Stroke Length 3–6 mm
Stroke Frequency 100–180 strokes/min
Weight 850 kg

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