CAPS & CLOSURES 29 PETplanet Insider Vol. 23 No. 01+02/22 www.petpla.net Without iQ weight control, the injected melt volume changes after a batch change to an extent which can lead to rejects. Activating iQ weight control is claimed to improve process consistency and to allow for efficient production. example, exhibited deviations of up to 1.5 cm³ from the reference value. With iQ weight control activated, it corresponded to the reference value again. This meant that good parts could be produced from the first shot after the batch change. In addition, the process stability was improved by 66 percent. The trial series clearly shows that even in high-performance applications with very short injection times of a few tenths of a second, iQ weight control makes it possible to compensate for process fluctuations, which makes process adjustments during a batch change obsolete. As the use of recycled materials grows in the packaging industry, smart process assistance is becoming increasingly important. Recycled materials typically mean greater batch variations than virgin material. Using iQ weight control means that recycled materials can be used in a cost-effective way for demanding packaging products. www.engelglobal.com
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