AUXILIARY EQUIPMENT PETplanet Insider Vol. 25 No. 0/24 www.petpla.net 19 Controlled loss-in-weight gravimetric dosing unit The DUG series of loss-in-weight gravimetric dosing unit by PET Solutions, part of the Pegaso Industries S.p.A. group, based in Borgoricco, Italy, has been developed as a cutting-edge advancement in the automatic dosing of masterbatches, additives, and regrinds in granules. Designed to optimise production process efficiency, the DUG feeders are claimed to combine innovative design with advanced technology, offering flexibility for various applications on injection moulding machines, blow moulders, and extruders. The DUG dosing unit is notable for its inclined axis configuration, ensuring precision and stability. Paired with a brushless motor, it offers precise and reliable dosing control, minimising errors. The intuitive control system features an LCD display that can be installed on the feeder or remotely. A key solution is the patented dual load cell system: The first load cell handles dosing from the hopper to the mixer, while the second provides additional precision control, ensuring maximum accuracy. Six screw sizes are available, from 8 to 30mm in diameter, and three hopper versions, ranging from 10 to 60 l. The feeder’s self-learning calibration and adjustment system, which uses data exchange between the two load cells, allows for automatic and continuous adjustment. This, combined with a bottom shutter for residual material discharge, is claimed to enhance efficiency and ease of management. The central flanged base of the DUG allows for the installation of one or two units, offering versatile configurations. An integrated static mixer ensures homogeneous material mixing, and a Modbus RS485 interface facilitates integration with other systems. Additional features and options include a remote control panel, touch LCD display, a centrally polished stainless steel hopper, capacitive sensors with a buzzer for material shortage alerts, and a remote controller kit. Other available accessories are a paddle mixer body, a Venturi loader for air-compressed material loading, and a screw cooling system for low melting point materials. PET Solutions says that the DUG dosing unit allows for efficient replicability of dosing processes, quick colour changes, and fast cleanings due to the unit’s complete accessibility, reducing downtime. The interchangeable stainless steel screws offer operational flexibility for different materials. The advanced technology of the DUG series minimises material waste during the weighing process, contributing to a more sustainable and economical production. www.petsolutions.it www.agrintl.com +1.724.482.2163 ȏ $FFXUDWH )DVW ΖQWXLWLYH ȏ 3RZHUIXO 6LPSOH -RE &UHDWLRQ DQG (GLWLQJ ȏ 3UH 'HȴQHG &RQWDLQHU 0HDVXUHPHQW 5RXWLQHV ȏ $XWR-RE® ȃ $XWRPDWHG )HDWXUH 5HFRJQLWLRQ DQG -RE 6HWXS LQ 6HFRQGV High Precision Dimensional Measurement for Plastic Containers — 6LPSOLȴHG ® The easily transferable weighing and dosing station makes the system suitable for dynamic production environments.
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