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Expanded Machine Control and Drive Concept

Fully Networked and Fully Flexible

New openness in sequence programming: The Procan ­Alpha 4 injection molding control system (© Dr. Boy)

At K 2016, Dr. Boy GmbH & Co. KG, Neustadt-Fernthal, Germany, is presenting the new generation of machine control systems, the Procan Alpha. Version 4 has been expanded with many functions. An important feature is that an OPC-UA server is now available in the machine control system. Among other benefits, the server improves the connectivity of the injection molding machine and is directly integrated in the control system, so there are no additional costs for the external OPC client and wrapper. The new Euromap 77 interface definition is thus also available.

The new Procan Alpha 4 includes significantly improved MES functions, object-oriented programming and permits the use of optimized field-bus systems. The position sensors’ detection accuracy has been increased by a factor of 10 and the temperature control accuracy doubled. Thanks to higher processor performance, the response times have been improved by at least a factor of 8 (high-speed task 125 µs instead of 1000 µs in the previous version). The tolerance deviation in the cycle time constancy is less than 10 ms.

In the development of the control system, Boy has deliberately retained the previous user interface where possible. "The main difference lies in the graphic sequence programming," says Franz-Josef Ludwig, Head of Electrical Engineering at Boy. "This extension offers a new openness in programming the machine and injection molding process sequences. Functions such as core-puller sequences, delay times, freely programmable inputs and outputs and much more can now be freely programmed in the control sequence." The new control unit is scheduled for market launch in the spring of 2017 – as an optional extra at first.

As a further innovation, the machine manufacturer is presenting its newly developed Multi-Drive, which has now been registered for a patent. Two servo-motor-driven pumps can thereby be used completely flexibly for a variety of requirements, in parallel with one another or interconnected. Depending on the application, the pump delivery of both servo drives can be individually adapted for simultaneous movements and functions in the injection molding cycle. Thanks to the interplay of the two hydraulic drives, according to the manufacturer, the functionality of an all-electric injection molding machine can be represented in terms of both accuracy and velocity, and combined with the advantages of its hydraulic counterpart.

Company profile

Dr. Boy GmbH & Co. KG

Neschener Straße 6
DE 53577 Neustadt
Tel.: 02683 307-0
Fax: 02683 32771

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