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EFFECT OF MATERIAL CHARACTERISTICS ON THE LAYUP QUALITY OF THE CONTINUOUS MULTI-TOW SHEARING (CMTS) PROCESS
Evangelos Zympeloudis (University of Bristol) Kevin Potter (University of Bristol) Paul Weaver (University of Bristol) Byung Chul Kim (University of Bristol)
CMTS is a novel material placement technology, with an advanced steering capability, that can increase the complexity of the parts that can be manufactured using automated methods.
PREFORMING 2.0: WASTE EFFICIENT, FAST & TAILORED LAYUPS
Thomas Dobiasch (Compositence GmbH)
The avoidance of waste compared with a high productive are key factors to meet the commercial customer expectations for a serial production of products made out of composite materials.
INTIMATE CONTACT DEVELOPMENT IN LASER ASSISTED FIBER PLACEMENT
Thijs Kok (TPRC) Wouter Grouve (TPRC) Laurent Warnet (University of Twente) Remko Akkerman (University of Twente)
Experimental research on the intimate contact development during the laser assisted fiber placement process. The results suggest that the thermoplastic composite tape deconsolidates during the process, which might significantly affect the intimate contact development.
SELECTIVE REINFORCEMENT OF STEEL WITH CF/PA-6 COMPOSITES IN A LASER TAPE PLACEMENT PROCESS: EFFECT OF SURFACE PREPARATION AND LASER ANGLE ON INTERFACIAL BOND STRENGTH
Christopher Stokes-Griffin (The Australian National University) Stefan Ehard (Technical University of Munich / Institute for Carbon Composites) Andreas Kollmannsberger (Technical University of Munich) Paul Compston (Australian National University) Klaus Drechsler (Technical University of Munich / Institute for Carbon Composites)
This paper investigates how to achieve good bonding between CF/PA6 composite tapes and steel substrates in an automated tape placement process using a high power near infra-red laser as a heat source.
STAXX COMPACT 1700 – LOW SCRAP FOR HIGH VOLUME COMPONENT PARTS PRODUCTION
Matthias Meyer (BA Composites GmbH)
STAXX will decrease the risk for the part manufacturer as it builds up upon well established technology and with regard on invests and production cost it is cost efficient due to being a stand alone production system.
TIME DEPENDENCE OF MULTI-PLY FORMING OVER DOUBLY CURVED SHAPES
Michael Elkington (University of Bristol) Carwyn Ward (University of Bristol)
An investigation into whether wrinkling during forming of pre-consolidated laminates can be reduced by dramatically lowering the forming rate.
USING REAL-TIME DATA FOR INCREASING THE EFFICIENCY OF THE AUTOMATED FIBRE PLACEMENT PROCESS
Darren Winter (GKN Aerospace) Dennis Crowley (University of Bristol) Stephen Williams (GKN Aerospace) Carwyn Ward (University of Bristol)
Our paper addresses the non-value added activities that hinder a breakthrough AFP process for airliner wing manufacture, from 'new product introduction' towards 'steady state manufacturing'.
WINGCOVER - EFFICIENT PRODUCTION OF WING SHELLS IN DRY FIBER PLACEMENT TECHNOLOGY
Niels Stoffers (Deutsches Zentrum für Luft- und Raumfahrt e.V.) Christian Krombholz (German Aerospace Center)
The paper highlights the major results achieved by DLR during the joint project WingCover in cooperation with AIRBUS and CTC. The main focus is the manufacturability of wing shells in the DLR GroFi facility using AFP as well as DFP technology.
CHARACTERISATION OF ULTRAVIOLET CURING RESINS FOR 3D PULTRUSION
Iván Sáenz Domínguez (Mondragon Unibertsitatea) Iosu Tena (University of Mondragon) Modesto Mateos (Mondragon Unibertsitatea) Mariasun Sarrionandia (Mondragon Unibertsitatea) Jon Aurrekoetxea (Mondragon Unibertsitatea)
The aim of this study is to compare two resins, unsatured polyester and styrene-free vinyl ester, in order to demonstrate the suitability of the new styrene-free resins.
MODELLING AND SIMULATION OF THE PULTRUSION PROCESS WITH CLOSED INJECTION AND IMPREGNATION MOLDS
Renato Bezerra (Fraunhofer ICT) Frank Henning (Karlsruhe Institute of Technology)
Simulation models of pultrusion dies with injection and impregnation chambers are presented. Two different mold inlet geometries are studied. Velocity and pressure fields, temperature, degree of cure and viscosity evolution are determined.
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