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02-07-2018

CPP Option for PET-Line Systems

Reliable Prevention of Short Shots

In preform manufacturing, power supply outages reduce system availability levels and have a negative impact on unit costs. In the form of its new CPP option, for challenging industrial situations Netstal-Maschinen AG, Näfels, Switzerland, is offering a practical solution for its PET-Line that can be amortized within a very short period and reliably ensures maximum system availability.

Reliable production within harsh industrial environments. The CPP option is now available for all new PET-Line systems (© Netstal)

CPP stands for 'Controlled Production shutdown during a Power outage. "Our new solution increases the robustness of the PET-Line system during brief power outages and reliably prevents the occurrence of short shots," said Stefan Kleinfeld, Product and Application manager at Netstal. In the case of momentary power failures, the system will provide enough power to continue operation of the current cycle. If the outage lasts somewhat longer, then sufficient power is provided to reliably and controllably shut down the cycle. Preforms are fully injected and demolded, meaning short shorts do not arise. Meterage for the next shot is stopped and the entire system is controllably brought to a halt.

With the CPP option, the system is simply more robust because the machine continues to operate and doesn't shut down during brief power fluctuations. Contrastingly, without the CPP option the current cycle would be abruptly and uncontrollably interrupted in the case of a power failure. In all probability, production could then not be restarted immediately because of the potential presence of short shots in individual or all the mold cavities. The time consuming removal of these short shots involves laborious manual work. Consequently the system comes to an unscheduled standstill. On top of this, molds could also potentially be inadvertently damaged during the cleaning up process. CPP reliably removes this risk. The availability of the system is significantly increased, meaning that investment in this option is recouped after only a few power outages.

Company profile

Netstal-Maschinen AG

Tschachenstrasse
CH 8752 NÄFELS
Tel.: +41 556186 6111
Fax: +41 556186 6605

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