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[December 2005]
Newly Developed Pressure Casting Technology for Cups
Julius Lippert GmbH & Co KG (Pressath, Germany) has unveiled its latest technological innovation, a pressure casting plant making cups with handles in one piece. The design of the pressure casting plant, designated the TDG/500, is described as simplicity and compactness itself, thanks mainly to the use of servo-controlled axes instead of hydraulics.
Three axes open and close the mould and an additional servomotor handles the slip pump. The multi-part die tooling is made of porous mould material.
Lippert says that the machine can be easily upgraded to a fully automatic complete line. The pressure cast cups are automatically demoulded and placed in a solidification dryer at approximately 80°C. Subsequent automatic finishing is attended to by six-axis robots and diverse finishing tools.
Advantages claimed for the TDG/500 include the following:
-- Freedom of design, i.e. non-axisymmetrical cup bodies are now doable, opening up a whole new design world never before thought obtainable.
-- High precision even for complicated shapes.
-- Single-casting cups with handles, eliminating the difficulties of attaching handles to bodies.
-- Fully automated pressure casting process all the way to firing.
A spokesman said: "This groundbreaking technology will open whole new vistas in cup design and production to the discriminating manufacturer of tableware".
Seven such plants are already in operation at factories of one of the world's leading tableware manufacturers. These plants are fully automated lines containing integrated drying and robot finishing systems. Further orders have been received, the company has just confirmed.
www.lippert.de
ENDS