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Turnkey production line for high-volume mass production
High Pressure Resin Transfer Molding
Why is our HP-RTM line so efficient:
Comprehensive, product-oriented process and line concept Completely automated production Short cycle times Use of highly reactive resins Components with a high fiber content by volume High process stability Excellent component properties
High Pressure Resin Transfer MoldingTurnkey production line for high-volume mass production
Press technologyModern and flexible press concepts for high-volume mass production
Features High-precision and fast parallel motion control Bending line of table and slide with precise overlap Production moving bolster for increasing productivity Special press operating programs for RTM and IMC Interfaces for line automation, integration of the dosing system All-round accessibility Energy-efficient presses
Press peripheralsApproved individual components for rationalizing production sequen-ces improve the efficiency of the HP-RTM production line and ensure reproducibility
Features Robot and gripper technology for loading and unloading Gripper change systems Automated mold cleaning Component charge carrier systems Mold temperature control systems Vacuum systems
Features CNC cutting system without additional ancillariesSimple programming of CNC data from CAD section data reversibleSafe handling of flexible semi-finished textile partsCompact design of the preform centerAutomated draping station for manufacturing dry textile preformsBonding of preformed carbon sheets for preforms with shape stabilityOptimum utilisation of materialAutomated, multi-layer stacking of individual layers
Preform-CenterMade-to-measure manufacture of preforms with a stable shape, from dry fabrics made from carbon, glass or aramide fibers.
PREFORM-MANUFACTURE RTM
Feed of fabric Contourcutting
Fabrichandling,Layering
Draping preforming
Fixing Net shaping
Pref
orm
wit
h s
tab
le s
hap
e
Preformhandlinginto the mold
Press cycle, closingmold
Mold technologyMold design and development from simulation to the component
FeaturesMold temperature-controlSpecial sealing systems for HP-RTMIntegrated vacuum system Integrated sensors for monitor mold fillingMold design based on simulation
Metering systemInnovative metering system to process highly reactive resins
FinishingHigh-precision routing for flexibility in processing the end product
FeaturesFinishing in machining centers using robotsMachining center completely enclosed Dust and swarf extractionShort cycle times due to high cutting speedsLong mold service lifeTight tolerances and highest repeatabilityMold cooling system
FINISHING
FeaturesSpecial vacuum-aided component-storage tanksSteady, precise temperature regulation with constant operating pointEnergy-efficient heating conceptOptimized, corrosion-resistant pumpsDirect heating of component feed lines and all other elements in contact with resin
Resin injection at up to 100 bar cavity pressure Closed loop control of resin injection for optimum mold fillingHigh-precision/repeatable admixture of internal release agent to the high-pressure mixing headSelf-cleaning mixing head system
Fin
ish
ing
par
t
Evacuating mold
High-pressure resin injection
CuringComponent removal
Moldcleaning
HandlingRTM component
Trimmingprocesses
Stacking station
DIEFFENBACHER GMBH Maschinen- und AnlagenbauHeilbronner Strasse 2075031 Eppingen, Germany
Phone +49 (0) 7262 65-277Fax +49 (0) 7262 65-297E-Mail: [email protected]
KraussMaffei Technologies GmbHKrauss-Maffei-Strasse 280997 Munich, Germany
Phone +49 (0) 89 88 99-0Fax +49 (0 )89 88 99-22 06E-Mail: [email protected]
The three cooperation partners, Dieffenbacher, KraussMaffei and the Fraunhofer ICT, have pooled their expertise and set themselves the goal of working together on product-oriented develop-ments for the global marketing of turnkey systems for the high-pressure resin transfer mol-ding (HP-RTM) process. Together, the partners are capable of delivering the entire process sequence from unwinding the textile semi-finished product (e.g. CFRP fabric) through to final processing of the finished composite fiber component, by means of turnkey machinery with high system competence.
Machines in production status have been set up at the Fraunhofer Institute for Chemical Technology using the latest Dieffenbacher press and system technology as well as a KraussMaffei HP-RTM injection machine. By using the extensive materials competence that is available on site, it is possible to advance the development of machines and pro-cess technology comprehensively. In this way, the technological leadership enjoyed by the cooperati-ve venture is being strengthened in the long term and indeed boosted even further.
Fraunhofer Institut Chemische Technologie ICTJoseph-von-Fraunhofer-Strasse 776327 Pfinztal, Germany
Phone +49 (0) 721 4640-420Fax +49 (0) 721 4640-730E-Mail: [email protected]
Machine and process technology everything from a single source
The cooperation stands for: Machine, mold and process innovations from a single source Combined expertise along the entire HP-RTM production sequence Independent development center with production capability Process-oriented component design and development Benchmarking and comprehensive evaluation of the press technology compared to alternative technologies
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This product information is based on our experience and our current state of knowledge. All data contained herein are for general orientation only, non-binding and may not be valid for all sorts of applications. Since the function and the performance of our products also depend on the individual factors of the intended use, we recommend discussing specific applications with our technical advisory service. Due to our continuous product optimization we reserve the right to change our products and this product information at any time without prior notice. Dieffenbacher GmbH Maschinen- und Anlagenbau. All rights reserved.