Production logistics for aluminum profiles

Intralogistics in the extrusion plant

The company apt Hiller GmbH is a manufacturer of aluminum profiles, as known from windows and doors, soccer goals and exhibition stands.

To produce these profiles, a 480°C hot extrusion billet is pressed through a die with up to 4000 tons of pressure. The profiles, which are around 50 meters long, are then stretched, sawn to a length of 8 meters and placed in transport baskets in layers. Depending on the order, the baskets pass through the other production steps: Hardening ovens, anodizing, post-processing, packaging and dispatch.

These are flexibly interlinked by means of automatic conveyor technology, crane systems and a shuttle vehicle.

The baskets are stacked in 3 storage areas of different sizes as buffer storage.

A special requirement for the transport control system is the coordination of material movements between the extrusion plant and the anodizing plant, which are 100 m apart.

Scope of services Unitechnik:

Control technology:

  • Simatic S7-400 Profibus-DP

Transport control system:

  • Inventory management in the
  • area warehouses (7 basket types)
  • Handling of basket stacks
  • Coordination of all transports
  • Integrated system visualization
  • Communication with ERP system

Switchgear construction, assembly
Commissioning and training
Service contract

Key figures

3 area warehouses:

  • 1 gantry crane each
  • Stacking height max. 6 baskets

Conveyor technology:

  • Chain conveyor,
  • 3 lifters / elevators
  • Shuttle vehicle between
  • the locations (14 transports/h)

Load carriers:

  • Baskets for 8.10 m long profiles
  • Max. Weight 3 tons
PDF Reference Sheet

Unitechnik Case Study apt Hiller

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Case Study - APT Hiller GmbH