With a wide range of innovations, StrikoWestofen helps foundries to improve results as well as occupational safety and efficiency
The requirements which production technology has to meet rise in step with the demand for new and more numerous cast aluminium parts. For foundries, StrikoWestofen presents the new “StrikoMelter BigStruc”, which can remelt extremely thin-walled material as well as bulky large-volume material with minimum metal loss and the lowest possible energy consumption. At the heart of the new dosing furnace technology in 2015 is the “Westomat Plus+” with its new technology and its extraordinary design. For a short time now, the pneumatic filling system “Schnorkle” has allowed the safe, closed, temperature-stable transport of liquid metal. In addition, modern porous burner technology guarantees measurable savings for the new gas crucible furnaces.
The continuing trend towards lightweight design also increases the demands made on cast aluminium parts and the relevant production processes. The extremely wide range of requirements makes new solutions necessary, from component development to production. StrikoWestofen is dedicated to providing and constantly improving products and solutions which support these requirements.
Inner and outer values: the new Westomat Plus+
The new design of the “Westomat Plus+” reduces the necessary installation space resources: the Westomat Plus+ 1200 S now fits into the footprint of the Westomat 900 SL. This allows higher capacities without increasing the space requirements. The heat losses caused by thermal radiation also decrease as a result of the reduced furnace surface. At the same time, the new overhead heating system allows easy replacement from above, so that no additional space is required at the sides. The optimized pneumatic dosing system makes the Westomat Plus+ even more reliable and easy to maintain. As a result of this product development, the new Westomat Plus+ only requires one third of the energy consumed by ladle systems, and its metal loss of 0.06 percent is only about 20 percent of the usually figure. At the same time, the Westomat Plus+ offers an availability of up to 98 percent.
The ProDos 3 control software allows the virtually exact determination of the dosing weight with the help of the feed pressure curve. This increases the dosing precision of the Westomat Plus+ to ±1 percent, which corresponds with a further optimization of around 33 percent. In addition, the ProDos 3 control unit has a new operating concept: besides an initial overview image, the intuitive user interface provides two further levels only – one for the basic settings of the Westomat and one for all maintenance functions. This means that all requirements of pressure die-casting can be parameterized individually within a short time. During initial commissioning, an assistant makes child’s play of setting up the system: the dosing weight can now be entered directly, and it is no longer necessary to measure various reference weights. The new malfunction notice concept provides an overview of current and past malfunctions. Thus, the control documents not only each change, but also any errors which the system may have eliminated by itself. The integrated web server 4.0 makes it even more user-friendly. This allows all relevant information to be integrated into the company network and conveniently accessed and evaluated from your office desk. The pressure in the furnace chamber, the temperature or dosing weight as well as all malfunction notices and process data from the last 350 cycles can be viewed and processed. High safety standards prevent intervention from outside. As an alternative to ProDos 3, the new PLCDos control is particularly suitable for implementing numerous special functions in pressure die-casting and gravity die-casting. Like ProDos 3, it provides a straightforward operation and malfunction notice concept and makes it easier to implement customer-specific requirements. Protected basic functions for dosing operation maintain a high safety standard at all times. All innovations included in the optimized ProDos 3 control are also available for the dosing control system PLCDos.