EuroWire November 2020

Technology News

Precise and fully automatic rewinding lines with flexible spool set-up

Reliable, fast and precise wire-laying technology has been a major focus of Swedish wire machinery manufacturer Lämneå Bruk AB in recent years. According to president Jonas Hagstedt, all Lämneå Bruk machine concepts are individual and designed according to the customer’s specific requirements. Lämneå Bruk offers a range of rewinding lines, from semi-automatic for SAWwire to heavy machinery that can handle spools of up to 100 kg; one of the company’s flagships is the Fully Automatic Precision Layer Winder. ▼ ▼ The spool supply magazine can handle different types of spools

Now in its second generation, the Fully Automatic Precision Layer Winder combines speed, precise wire laying to 0.01mm, user friendliness and high safety standards. The spools are changed fully automatically, with servo- drive motor-operated tooling

▲ ▲ The versatile Fully Automatic Precision Layer Winder

for continuous production at top speeds of 35m/sec. For a smooth and efficient process, the fastening of the finishing end is also made by servomotors. The servomotor brand is customisable, so customers can choose between Siemens, Lenze and Allen Bradley. To add to the flexibility, the spool supply magazine can handle different types of spools, such as wire baskets, plastic and fibre spools without any adjustment. In response to customer demand, the Fully Automatic Precision Layer Winder is also available for smaller 5 kg spools. To ease the production process for their customers, the Lämneå Bruk team

developed a packaging robot for the Fully Automatic Precision Layer Winder. A robot checks the total weight of the finished spools that the machine has spooled thoroughly. If there are any discrepancies, the robot will put the spool aside to be double- checked by the staff, and continue with the next spool for an uninterrupted process. If everything is in accordance with the quality standards, the automatic packaging robot moves the finished spools onto pallets, labels them and packages the spools for shipping. Lämneå Bruk AB www.lamnea.se

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November 2020