Motorized Decoiler with Hydraulic Expansion Forstner D8

Motorized Decoiler with Hydraulic Expansion Forstner D8


Forstner D8 is a powerful motorized decoiler designed for high-speed production and the handling of large, heavy coils. With a load capacity of 8 tons, the D5 is part of the “D” series, distinguished by its robust construction and innovative hydraulic central mandrel. This system ensures fast, safe, and precise decoiling, making it ideal for integration into automatic cutting and slitting lines.

Features and Advantages

  • High Performance: Engineered for high-speed operations, achieving a maximum decoiling speed of up to 25 m/min.

  • Hydraulic Central Mandrel: Features a hydraulic expansion mandrel (with three support plates) that provides a secure and powerful grip on the coil, maintaining its perfect roundness throughout the process.

  • Safety and Protection: Most critical components are housed within the machine body, preventing damage and wear in harsh industrial environments.

  • Infinitely Variable Speed: The frequency-controlled motor allows for precise adjustment of the feed rate to match the requirements of the cutting line.

  • Easy Loading: The cantilever (single-sided) design allows for effortless loading of coils directly onto the mandrel using a crane, forklift, or a specialized coil car.

  • Gentle on Sensitive Surfaces: Highly suitable for materials with sensitive surfaces due to the controlled and smooth decoiling process.

Standard Equipment

  • Drive Type: Motorized with frequency inverter control.

  • Central Mandrel: Hydraulic expansion via wedges with three support plates for secure fastening.

  • Decoiling/Recoiling: Capabilities for both motorized decoiling and powered rewinding of the coil.

  • Construction: Cantilever design (single-sided mandrel support) for floor mounting.

Options

  • Coil Car: A specialized hydraulic trolley with travel and lift/lower functions for the easy and safe loading of coils weighing up to 8,000 kg.

  • Loop Control: Electronic eye system or a dancer arm for automatic control of the material loop being fed to downstream equipment (e.g., a leveling machine).

  • Paper Recoiler: A device for rewinding protective paper used when processing sensitive materials.

  • Hydraulic Press Roll: An additional pressure roller to prevent uncontrolled "clock-springing" or decoiling of the coil.

Technical Specifications

Parameter Value
Max. Coil Weight 8,000 kg
Max. Coil Width 1,500 mm
Max. Steel Thickness 2.0 mm
Max. Speed 25 m/min
Internal Diameter (Clamping) 465–515 mm (Hydraulic expansion)
Max. Coil Outer Diameter 1,200 mm
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