Mikrosam and its US representative Composite Automation will supply an integrated ATP machine to UD-CCM, for automatic placement of dry, thermoset and thermoplastic tape. This upgrades UD-CCM’s capabilities, allowing R and D of primary structures at rate production. Initially, placement of thin ply materials will be evaluated for current projects with NASA.
Equipment specifications include placement of thin to standard ply thickness tape (up to 1 inch width), laser and IR heating with in-situ temperature control and thermal camera feedback, and horizontal axes allowing manufacturing of full-scale prototypes (10 ft length). Mikrosam is designating UD-CCM as its primary academic partner in the US providing open software and hardware access enabling R and D to develop new material solutions, in-situ process control and path/placement optimisation. Robotic tape placement of composites in dry, thermoset and thermoplastic formats enables precision control of fibre orientation for high-performance applications with the benefit to meet higher production rates.Mikrosam and its US representative Composite Automation will supply an integrated ATP machine to UD-CCM, for automatic placement of dry, thermoset and thermoplastic tape. This upgrades UD-CCM's capabilities, allowing R and D of primary structures at rate production. Initially, placement of thin ply materials will be evaluated for current projects with NASA.#
UD-CCM has a long history of composites manufacturing ranging from thermoset and thermoplastic filament winding and tape placement to infusion of dry preforms including the development of process models, sensors and control systems. In thermoplastic composite processing, more than 250 papers and dissertations have been published and multiple patents awarded in this area. UD-CCM was a pioneer investigating laser based thermoplastic ATP process in the mid-80’s, which evolved into robotic tape placement and a physics-based modeling and simulation framework for process and materials optimisation under high heating/cooling/deposition rates.
The models incorporate various heat sources and compaction methods on multi-layer tape consolidation and void dynamics within the tape as well as coupled bonding mechanisms including intimate contact and polymer reputation between layers. The effects of non-isothermal material response (rheology, crystal melting and crystallisation, thermal degradation limits) and part-tool interactions on residual stress and warpage was also quantified. This body of work culminated in the first model based process control system with real time sensor feedback to control void content, part quality while maximising deposition rates.
The Mikrosam ATP equipment significantly upgrades UD-CCM’s current capabilities allowing R and D of primary structures at rate production. Initial studies will evaluate placement of thin ply materials to support current projects with NASA. UD-CCM novel Tailorable Universal Feedstock for Forming (TuFF) material developed under a four-year DARPA programme enables low areal weight, steerable tape options allowing variable stiffness designs for weight critical applications, tailored blank formation for forming of aerospace and automotive parts as well as wider steerable tape to drastically increase productivity.
Assistant director for Technology at UD-CCM Dirk Heider explained “We are looking forward to collaborating with Mikrosam and other industry and government partners on next-generation ATP materials and processes.”
Mikrosam offers one of the most cost-competitive and proven ATP solutions with many advancements for maximum productivity. Designed as an integrated, modular, and upgradeable ATP work-cell, the 8-axis robotic AFP machine is capable of automated and precise placement of dry/thermoset and thermoplastic tape. Mikrosam’s ATP heads are a premier tool for researchers in advanced composites allowing access to machine code for integration of third party equipment.
“The market for automated layup of thermoplastic and thermoset composites demands flexible equipment to ensure maximum utilisation in exploring new techniques and applications. When combined with our sophisticated control for in-situ consolidation of thermoplastic composites and UD-CCM’s expertise, the new partnership will provide novel process solutions for industry,” stated Dimitar Bogdanoski, sales manager at Mikrosam.
The system will become available in the summer 2020 for prototyping, material and process evaluation at UD-CCM.
Composite Automation, enters its fourth year as the exclusive partner of Mikrosam and is represented throughout the North American marketplace for composites representing ten diverse technologies for the manufacture of advanced composite structures. John Melilli, president and CEO of Composite Automation, stated, “Mikrosam represents the best value in ATP/AFP/ATL in thermosets, thermoplastics and dry fibre machines in the world.”
“Being selected by the UD-CCM gives us the opportunity to work directly with North American companies that want to perform manufacturing R and D while staying in the US,” Melilli added.
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