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JEC Europe 2012 - German press manufacturer Wickert Maschinenbau GmbH recently launched a series of high-pressure RTM presses with significantly enhanced closing force and drive precision, particularly when it comes to the closing movement of the tool.
The machines feature hydraulic parallelism control of the closing plates, which are kept absolutely parallel by means of four hydraulic counter-pressure cylinders, even under extremely asymmetric plate load.
Conventional RTM processes work with lower pressures than high-pressure RTM, but the overall parts manufacturing cycle is longer. With high closing and opening speeds and rapid pressure build-up, this series of presses has been able to respond to the challenge of shortened cycle times. The main fields of application are the sectors where lightweight parts are required, based on medium to large production runs, which are traditionally the aerospace and automotive industries. High-pressure RTM processes make a decisive contribution to greater cost efficiency.
More information: www.wickert-presstech.de