Static to stop wastage

Film manufacturers have always accepted that waste material needs to be removed at the end of the reel when auto splicing takes place – as the last 60-80m can alter in tension, slip, drift sideways and lose the profile of the reel, a term known as ‘telescoping’. When this happens the operator will tidy up the finished reel by removing the waste material, before it is transferred to the next process or shipped to the customer.

Arrowquint has been able to minimize this waste by charging the film using the Eltex R130A high performance static charging electrode powered by the microprocessor controlled KNH34 generator. The generator is activated automatically by the machine’s PLC controller, allowing the charging system to function safely and precisely.

Electrostatically charging the film in this way is said to give a number of benefits. The film will retain tension, without any speed restriction and it will not wander during auto-splicing, so a good reel profile is achieved. Waste material is reduced – and cost savings are immediately realised, says Arrowquint.

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