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Dreher DHD 30 520

Double Decoiler with Drive

Design: Short version
Strip width min./max.: 230 – 520 mm
Max. coil weight: 2 × 30 kN
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Number of mandrels: 1
Outer coil diameter min./max.: 1,500 – 2,000 mm
Expansion range min./max.: 460 – 525 mm
Coil provision: Material handling vehicle
Mandrel loading: From the front (operator side)
Coil unwinding: From the underside of the coil
Material: Aluminium, soft
Strip thickness min./max.: 0.8 – 1.2 mm
Tensile strength (Rm) min./max.: 100 – 250 N/mm²
Max. strip cross-section: 600 N/mm²
Straightening capacity: See straightening chart
Strip speed min./max.: 2 – 10 m/min
Strip entry height above floor: 2,100 mm
Level of automation: Fixed / ± XXX mm
Mode of operation: Jog mode, visual monitoring

System Parameters
Strokes per minute: 45 1/min
Working direction: Right to left, loading from the front with forklift
Levelness of installation site: ± 15 mm
Supply voltage: 400 V, 50 Hz
Ambient temperature: 20 – 40 °C
Compressed air connection: 5 bar

Mandrel
: Double mandrel with drive
: Expansion
: - Manual knee-lever system with hand crank
: Coil stop
: 22.11.2019
: 22.11.2019
: - Single arms, manually adjustable by scale, locked at the front via quick-release lever and at the rear via clamping screws
: Brake / Drive
: - 2 asynchronous motors, frequency controlled
: - 2 dual-circuit safety air disc brakes
: Swiveling
: - Manual, with locking by pedal 180°
: Pneumatic hold-down rollers with rubberized rollers on top
: Mounted on consoles.
: Hydraulic expansion
: - Hydraulic expansion instead of manual expansion with hand crank
: - Hydraulic unit with mounted valves and piping on the mandrel head
: Strip extraction and introduction, loop control
: - Control via ultrasonic sensor/laser on the decoiler side

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