Drugo

Dreher DHD 30 520

Description:

Double-ended decoiler with drive
Design: Short construction
tape 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 provisioning: Material handling vehicle
Mandrel loading: From the front (operator side)
Coil payoff: From the underside of the coil
Material: Aluminum, 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
Mode of operation: Jog mode (visual monitoring)

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

Mandrel:
- Double mandrel with drive
- Expansion: Manual toggle system with hand crank
- Coil boundary: 22.11.2019 (likely date/serial)
- Single arms, adjustable manually using scales, front locking with quick-release lever, rear locking with clamping screws
- Brake/Drive: 2 frequency-controlled asynchronous motors; 2 dual-circuit safety pneumatic disc brakes
- Pivoting: Manual, with pedal locking, 180°
- Pneumatic pressure rollers with rubber-coated rollers mounted on brackets at the top
Ledsz Enbbopfx Afujrt
- Hydraulic expansion: Hydraulic expansion replaces manual expansion with hand crank; hydraulic unit with valve piping mounted on mandrel head
- Strip extraction and feed loop: Controlled by ultrasonic sensor/laser on the payout side

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