SHOW PREVIEW | PLAST 2018
entering the basic production parameters (extru- sion speed, pipe diameter, capacity of downstream machines) the user can define the required production batches. Intelligent planning of production sequences – in addition to the availability of libraries in which process parameters and user product dimensions can be stored – determines the definition of a new state of the art field in terms of versatility and ease of control.
Above: Sica’s range of saws can cut plastic pipes at very high production rates
– will also be equipped with Bausano’s new Digital Extruder Control system, which can manage the whole production line while planning and remote controlling the working cycles. It complies with the latest requirements of Industry 4.0, says the company. The system ensures close monitoring of energy consumption, and displays a number of key parameters, including instantaneous real power and reactive power. “Algorithms and mathematic formulas in the
control system allow energy consumption values to be processed and related to the finished product,” said the company.
Cutting edge Sica has patented a method for cutting plastic pipes at very high production rates. The machines are designed to cut and chamfer PP, HDPE and PVC pipes, performing simultaneous double cutting cycles automatically. For example, the Duet125 automatic cut-off saw
Right:
Bausano’s MD75 extruder will be
equipped with both its Smart Energy and Digital Extruder Control systems at Plast
48
can reach hourly production rates of around 2,000 pipes of 150mm in length plus sockets, and more than 2,300 pipes/hour of 500mm length plus sockets. The system also guarantees the necessary cut length precision (tolerance of ± 1mm) thanks to the its CNC control system. Machines are equipped with anti-wear tools to guarantee high quality of the cutting/chamfering process. The logical control system also offers ‘on the fly’ cutting, optimising the use of the effective stroke to further increase output in terms of the number of cuts per hour. Equipped with an intuitive icon-based graphic interface and a classic production system for pre-set sequences of lengths, the machine also features a new length se- quences management system. After
PIPE & PROFILE EXTRUSION | May 2018
Because of the large number of cuts that can be performed per unit of time, the machine is equipped with a powerful cyclone-type dust extraction system. The range of automatic in-line planetary saws (available in the Duet 125, 160 and 200 versions) includes the Duet/K (cutting with knife without material removal for HDPE and PP-R) and Duet/C (cutting with chamfering unit and knife without producing chips inside the pipe) versions, as well as the standard model for PVC. Duet/C is particu- larly suitable for PP lines equipped also for the production of double-joint pipes. At the same time, the company will show its Flash 450 film coilers, which can reduce the amount of film needed to pack coiled pipe by around 30%. The automatic coiler is used to pack corrugated
PVC, PE and PP pipes from 16 to 25mm diameter, in short length coils covered with stretch film. The coiler has three reels with centralised adjustment controls, a film dispenser with electronic tension control, universal film cutting systems and variable- geometry reel unloading device. The machine also has a wireless communication system to control the main reel functions.
Flash 450 is designed to reduce operator intervention to a minimum, and is easy to run and feed with pipe, film and stickers, says Sica.
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