JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 34
FEATURE “RTM” Main features Successful LRTM moulding The LRTM mould cavity must be calibrated with accuracy, and then loaded with fibre that uniformly fills all of the part geometry especially in the radii. The operator has to make sure that the fibre is stretched in the vertical plane, not relying on mould closure to position the fibre into the part details. The injection system must control the process so the operator does not need to make any adjustments. g…/… The latest innovations to the LRTM molding process ahead of the resin flowing towards the mould exit vent. It is critical that the resin injection process does not hydraulically open the mould. If the mould is opened even slightly, then all efforts of achieving an accurate mould and carefully placing the fibre are useless. Providing the needed injection control The typical LRTM injection equipment in the market has little to no control of the resin injection process. Generally, the operator is left to count pump strokes or to decide to stop the injection process based on watching the resin as it begins to vent the mould. Equipment manufacturers, who have added controls to their injection systems, typically have some form of predetermined counter (PDC) to halt the resin Fig. 3: Operator placing the RFID injection when the mould is tag on the remote control reader and pressing the filled. Yet this type of system “green” start button. relies on the operator to adjust the “counts” as needed for each mould. In many cases, the operator decides on the volume needed to fill the mould and the value entered into the PDC is not based on the resin volume specified in the bill of materials for each moulding. In addition to the PDC, some equipment suppliers have added pressure sensing devices to prevent the injection from over-pressurizing the mould during the injection process. The actual injection control requirements are far different from what are offered by most equipment suppliers. First, it must be understood that pressure alone is not the answer to the injection process control issue. Pressure must remain as a “governing factor” or “upper limit”, it cannot act as the sole control. This can be quickly understood when the surface area factor is applied to the injection pressure. For instance, just one PSI of pressure over one square foot (144 square inches) will provide 144 pounds of lifting force. Considering the fact that most LRTM tools only weigh about 4 pounds per square foot of laminate area, it is easy to understand how very little pressure can open the mould to cause a thick cavity cross-section and loss of resin flow path Fig. 4: Infuser PRG - fully automatic LRTM injection system. control. Fig. 5: JHM LRTM Training includes “hands on” moulding demonstrations. The Infuser series of injection systems offered by JHM Technologies provides a level of automation that focuses on the resin flow rate, with an upper limit set point for pressure. Each mould has a specific programmed recipe which automatically controls the flow rate, the upper pressure limit, the resin injection temperature, the catalyst ratio, and the precise volume of resin as prescribed in the bill of materials. Furthermore, the recipe selection is fully automatic through the use of RFID tags. The operator simply sets the RFID tag connected to the mould on the remote control/RFID reader of the Infuser injection system. With the RFID tag on the reader, the operator simply presses the “Start” button on the remote control and the Infuser automatically fills the mould with precise flow rate, pressure, temperature, and volume control. The level of automation found in the Infuser series of LRTM injection systems is priced competitively with non-automated equipment in the market. Moreover, the features of the Infuser injection system pay for the equipment with material savings when compared with the competitive injection system. Contact: info@jhmtechnologies.com More information: www.jhmtechnologies.com 34 jec composites magazine / No50 July-August 2009
http://www.jhmtechnologies.com
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009
Table of Contents for the Digital Edition of JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009
Cover
Index
Contents
- NEWS WORLDWIDE -
Companies - Innovation: the guiding principe at Hunstman
Companies - More V: operating on a practically boundless market
Companies - IDI Composites buys former Menzolit facilities
Companies - Colan Australia, threads worth their weight in gold!
Companies - DSM Composite Resins and Büfa: they finalize european joint venture agreements
Agenda of events
Equipment - Custom-coated carbide tools for improved adaptability and lower costs
- BUSINESS -
Market Survey - US demand for decking to reach 1.1 billion lineal metrs in 2013
Trends - Wood-plastic composites: markets, applications and performance costs
Human capital - A PhD student rewarded for his environmental concerns
- FEATURE -
Software - On the way to a high-tech process for high-performance applications
Process - The latest innovations to the LRTM molding process
Application - Large truck mid-roof to be manufactured in Brazil
Application - RTM part for Franch high-speed train
Production - An RTM production line with environmental credentials
Innovations - Plascore PP honeycomb infusion grade for Light RTM
Innovations - RTM compression press for manufacturing body panels
Innovations - Institut fuer Verbundwekstoffe GmbH
- USERS' PLATFORM -
Composites in the world - The Aston Martin One-77
Composites in the world - Cavalier pot
Composites in the world - Carbon fish sculptures
Composites in the world - Glass-fibre-reinforced body camera
Successful partners - An innovative reinforced profile for window frames
Application - MFG: boosting the growth of the wind energy market
Application - Blue Hawaiian Fiberglass Pool: leader in Florida
- KNOW-HOW -
Ductile prepregs - Formable aligned-fibre composite materials
Compound - High-modulus carbon fibres in super-structural compounds
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Cover
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 2
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 3
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 4
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Index
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Contents
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 7
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Companies - Innovation: the guiding principe at Hunstman
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Companies - More V: operating on a practically boundless market
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Companies - IDI Composites buys former Menzolit facilities
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Companies - Colan Australia, threads worth their weight in gold!
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 12
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 13
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Companies - DSM Composite Resins and Büfa: they finalize european joint venture agreements
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 15
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Agenda of events
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 17
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Equipment - Custom-coated carbide tools for improved adaptability and lower costs
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 19
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 20
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - - BUSINESS -
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Market Survey - US demand for decking to reach 1.1 billion lineal metrs in 2013
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Trends - Wood-plastic composites: markets, applications and performance costs
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 24
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 25
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Human capital - A PhD student rewarded for his environmental concerns
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Asia Show
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - JCM
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - - FEATURE -
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Software - On the way to a high-tech process for high-performance applications
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 29
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 30
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 31
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Process - The latest innovations to the LRTM molding process
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 33
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 34
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Application - Large truck mid-roof to be manufactured in Brazil
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Application - RTM part for Franch high-speed train
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Production - An RTM production line with environmental credentials
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 38
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 39
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Innovations - Institut fuer Verbundwekstoffe GmbH
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - - USERS' PLATFORM -
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Composites in the world - Cavalier pot
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Composites in the world - Glass-fibre-reinforced body camera
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Successful partners - An innovative reinforced profile for window frames
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 45
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Application - MFG: boosting the growth of the wind energy market
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 47
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 48
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Application - Blue Hawaiian Fiberglass Pool: leader in Florida
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 50
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - - KNOW-HOW -
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Ductile prepregs - Formable aligned-fibre composite materials
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 53
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 54
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - Compound - High-modulus carbon fibres in super-structural compounds
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 56
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 57
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 58
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 59
JEC COMPOSITES MAGAZINE - Issue #50 - July/August 2009 - 60
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