IDE Online Magazine Abril 2017 - Page 44

Gentle and quiet: new preform processing option from KHS

> Fewer rejections thanks to optimized tipping

> Less noise pollution and easy operation

> Uncomplicated retrofits on existing lines possible

Less noise, improved quality: KHS Corpoplast GmbH has developed a new system for preform processing. With the InnoPET Silent TipTainer PET preforms are fed to the sorting unit especially gently. This results in a considerable reduction in the amount of noise around the tilter.

“With the Silent TipTainer we’re achieving a much lower preform rejection rate than has been the case to date,” explains Alexander Heller, technical project manager and developer for preform conveying systems at KHS Corpoplast. The reason for this is that the drop height of the PET preforms into the tipper has been greatly reduced. Where the rejection rate was previously at 3%, just 0.25 to 0.3% of all preforms are now damaged during tilting or by bumping into one another as they fall. The lower drop height and smooth tipping in stages not only mean that preforms are handled more gently and that there are fewer breakages on the necks; the adapted tipping process also results in perceptibly lower noise levels. KHS measurements record a maximum of 80 dB(A). The closed system also ensures that values of up to 110 dB(A) are no longer standard.

By reducing the amount of noise pollution occupational safety is improved further for operators working near the tipper. Best product quality is obtained by filling the optimized box tilter silo unit by up to two preform loads.

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