Kitas

Dreher DHD 30 520

Description:

Double decoiler with drive
Design: Compact design
Strip width min./max.: 230 – 520 mm
Max. coil weight: 2 × 30 kN
Number of mandrels: 1
Coil outside diameter min./max.: 1,500 – 2,000 mm
Expansion range min./max.: 460 – 525 mm
Coil supply: Floor transport vehicle
Mandrel loading: From the front (operator side)
Coil payoff: 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 diagram
Strip speed min./max.: 2 – 10 m/min
Entry height above floor: 2,100 mm
Degree of automation: Fixed / ± XXX mm
Operating mode: Jog mode, visual control

System parameters
Cycle rate: 45 rpm
Working direction: Right–left, front loading by forklift
Flatness of installation site: ± 15 mm
Connection voltage: 400 V, 50 Hz
Ambient temperature: 20 – 40 °C
Compressed air connection: 5 bar

Mandrel:
- Double mandrel with drive
- Expansion:
- Manual toggle lever system with hand crank
- Coil limitation
- Single arms, manually adjustable according to scale, secured at the front by quick-release lever and at the rear by clamping screws
- Brake/Drive:
- 2 frequency-controlled asynchronous motors
- 2 dual-circuit safety pneumatic disc brakes
- Swiveling:
- Manual lockable swivel by pedal, 180°
- Pneumatic pressure rollers with rubberized rollers on top mounted on consoles
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- Hydraulic expansion:
- Hydraulic expansion instead of manual expansion with hand crank
- Hydraulic unit with valves/piping mounted on the mandrel head
- Strip extraction and strip feeding loop:
- Control via ultrasonic sensor/laser on the decoiling side

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