By C D Rudd, A C Long, K N Kendall, C Mangin
Presents a distinct perception into the advance and use of liquid moulding tactics, with a accomplished description of the fabrics, strategy versions, apparatus, regulate concepts and tooling options used throughout quite a number car and aerospace industries.
Read or Download Liquid Moulding Technologies: Resin Transfer Moulding, Structural Reaction Injection Moulding and Related Processing Techniques PDF
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Additional resources for Liquid Moulding Technologies: Resin Transfer Moulding, Structural Reaction Injection Moulding and Related Processing Techniques
14) is a bolt-on component which supports the transmission in passenger vehicle applications and has major design constraints due to the space envelope and the proximity of the vehicle exhaust. The structural requirements for the part were identified as: • Stiffness (vertical and fore/aft) • Strength (peak loadings, fatigue and front end impact) • Dynamic behaviour (noise, vibration and harshness) An additional complication was introduced by the high local temperatures arising from the proximity of the catalytic converters which made the incorporation of a heat shield necessary.
Applications have grown from relatively low volume interior trim and cladding panels to higher volume production of closures and seating. Examples of the latter include the DMU leading end door by Polymer Engineering (UK) and recent developments in the seating area with potentially very high volume parts offering considerable weight savings over steel framed equivalents. Such applications offer potential to integrate several functions in a single moulding including mountings and safety belt anchorages.
Due to the uncertainty of the race conditions, there is no specific design case for the undershield. The initial approach was to produce a part to the maximum space envelope using high performance reinforcements, specifically aramid on the outer faces for abrasion resistance, carbon to maximise stiffness with a central CFRM core to aid resin penetration. The laminate design approximated to a quasi-isotropic stack. 11 The Ford Escort/Sierra Cosworth undershield. 12 The Ford Transit extra high roof (courtesy Ford Motor Company).