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Why electric motors should be assembled by bonding in ADHESION - ADHESIVES + SEALANTS, Vol. 16, N° 1/2019 (2019)  

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 16, N° 1/2019 (2019) . - p. 12-14 Titre : Why electric motors should be assembled by bonding Type de document : texte imprimé Année de publication : 2019 Article en page(s) : p. 12-14 Langues : Multilingue (mul) Catégories : Collage Colles:Adhésifs Encapsulation Epoxydes Moteurs électriques Index. décimale : 668.3 Adhésifs et produits semblables Résumé : As motors become smaller and more powerful, adhesive bonding gains in popularity, and the variety of materials and surfaces it can be used on expands, more and more engineers are likely to consider using it for their applications. Note de contenu : - Better joining with adhesives - Selecting the appropriate adhesive - One-componentepoxy resins - Two-component epoxy resins - Metal adhesives - Full protection through encapsulation - Fig. 1 : Typical bonding areas in the assembly of an electric motor - Fig. 2 : Adhesives provide for equalization of tensions between stator and housing - Fig. 3 : BOnding of magnets in the housing, on the rotor, and in the magnet seats - Fig. 4 : Lab technicians are testing the suitability of theat- and light-curing products - Fig. 5 : Electric motor windings, in particular, are often protected by encapsulants En ligne : https://drive.google.com/file/d/1wV0hrIT1SBimAdejeI5nTV0Op7cXauM3/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31943 [article]

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Silicone for bonding and sealing plastics, glass and metal in ADHESION - ADHESIVES + SEALANTS, Vol. 16, N° 1/2019 (2019)  

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 16, N° 1/2019 (2019) . - p. 16-17 Titre : Silicone for bonding and sealing plastics, glass and metal Type de document : texte imprimé Année de publication : 2019 Article en page(s) : p. 16-17 Langues : Multilingue (mul) Catégories : Colles:Adhésifs Eclairage Etanchéité Mastics Silicones Les silicones, ou polysiloxanes, sont des composés inorganiques formés d'une chaine silicium-oxygène (...-Si-O-Si-O-Si-O-...) sur laquelle des groupes se fixent, sur les atomes de silicium. Certains groupes organiques peuvent être utilisés pour relier entre elles plusieurs de ces chaines (...-Si-O-...). Le type le plus courant est le poly(diméthylsiloxane) linéaire ou PDMS. Le second groupe en importance de matériaux en silicone est celui des résines de silicone, formées par des oligosiloxanes ramifiés ou en forme de cage (wiki). Index. décimale : 668.3 Adhésifs et produits semblables Résumé : With its range of sealants and adhesives, Otto covers a multitude of requirements for use in industrial production. These include a neutral-curing, 1-component, alkoxy-based silicone adhesive and sealant that was specifically developed for bonding and sealing luminaire, transmission, machine and motor housings. Note de contenu : - Properties of Novasil S 800 listed by the manufacturer - Production in the field of renewable energies - Production in the field of the lighting and electronics industries - Production in the field of mechanical engineering - Fig. 1 : Solar-powered street lamp - Fig. 2 : Lighting that works in the long term is especially important for motorcycles - Fig. 3 : Adhesives and sealants for underwater luminaires must be completely waterproof and be compatible with all water care products En ligne : https://drive.google.com/file/d/1zEJm3HiUGJzQn7egpLxzxTliFv9DjoY3/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31944 [article]

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Noncontact measurement of adhesive coating thickness in ADHESION - ADHESIVES + SEALANTS, Vol. 16, N° 1/2019 (2019)  

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 16, N° 1/2019 (2019) . - p. 18-21 Titre : Noncontact measurement of adhesive coating thickness Type de document : texte imprimé Année de publication : 2019 Article en page(s) : p. 18-21 Langues : Multilingue (mul) Catégories : Adhésifs dans les automobiles Colles:Adhésifs Epaisseur -- Mesure Mesures dimensionnelles sans contact Index. décimale : 668.3 Adhésifs et produits semblables Résumé : The coatings of vehicle components must be measured to the micrometre to avoid damage and complaints. Automobile parts supplier AAM has in the past used traditional methods based on microscopy and magnetic induction. But these methods have weaknesses. With suport from Lord, the manufacturer of the rubber-to-metal adhesives Chemosil and Chemlok, AAM has switched the coating thickness measurement to the coatmaster technology - with success. Note de contenu : - Process optimization thanks to noncontact coating thickness measurement - No more rejects - Better than magnetic-inductive methods - Production with a closed control loop - Inclusion of the procedure in the official standards is imminent - Fig. 1 : Rough surfaces of the adhesive layer lead to high scattering on contact measurement - Fig. 2 : At AAM Lyon every produced torsional vibration damper is measured with the coatmaster. The layer thickness and other production parameters are lasered as a QR code - Fig. 3 : The microscoic cross-section image of a two-layer adhesive coating shows that the local layer thickness measurement is subject to a high fluctuation En ligne : https://drive.google.com/file/d/1EpgXrijfTg7JDhl2iMtgIAGsVFfUChjh/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31945 [article]

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Optimization of a dynamic mixing system / David Tobler in ADHESION - ADHESIVES + SEALANTS, Vol. 16, N° 1/2019 (2019)

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 16, N° 1/2019 (2019) . - p. 22-24 Titre : Optimization of a dynamic mixing system Type de document : texte imprimé Auteurs : David Tobler, Auteur ; Samira Jafari, Auteur Année de publication : 2019 Article en page(s) : p. 22-24 Langues : Multilingue (mul) Catégories : Adhésifs -- Application-dosage Malaxeurs et mélangeurs Mélanges (chimie) Index. décimale : 668.3 Adhésifs et produits semblables Résumé : Novel dynamic mixing system is developed in collaboration between Sika and Sulzer Mixpac to enhance the application quality of viscous adhesives in combination with a booster component. The employed dynamic mixing technology allows for better mixing quality, minimized energy consumption of the dynamic mixer, smaller waste and enhanced application accuracy. The design was further optimized using advanced prediction tools developed specifically for simulation of dynamic mixing. Note de contenu : - Choice of technology: dynamic vs static mixing - PowerCure design and optimization - Assessment of mixing in dynamic mixers - Methodology and algorithm - Extension of the system - Fig. 1 : MIniature static mixers in portfolio of Sulzer Mixpac used for mixing of 2C adhesives - Fig. 2 : Sika PowerCure dynamic mixing and application system - Fig. 3 : Comparison of the typical mixing pattern for static and dynamic mixing ; dynamic mixing allows multi-directional mixing and dispersion - Fig. 4 : Typical shear rates encountered in static versus dynamic mixer ; high shear values result in significant decline in components' viscosity and hence the required force and pressure in the dispensing unit - Fig. 5 : Particles to be tracked backwards in time using unsteady flow field data - Fig. 6 : Validation of mixing pattern obtained within dynamic mixers compared to measurement at different locations within the mixer Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31946 [article]

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A perfect bond formed in seconds / Michael Wortmann in ADHESION - ADHESIVES + SEALANTS, Vol. 16, N° 1/2019 (2019)  

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 16, N° 1/2019 (2019) . - p. 26-29 Titre : A perfect bond formed in seconds Type de document : texte imprimé Auteurs : Michael Wortmann, Auteur Année de publication : 2019 Article en page(s) : p. 26-29 Langues : Multilingue (mul) Catégories : Adhésifs -- Application-dosage Automatisation Collage Collage -- Appareils et matériels Mélanges (chimie) Index. décimale : 667.9 Revêtements et enduits Résumé : Adhesive bonding has long since replaced traditional joining techniques such as welding and screwing in a multitude of applications. More and more customers these days look for automated solutions that are individually tailored to the specifics of their application. In these cases, yhe design of a suitable system concept must take a number of factors into account. Note de contenu : - Custom built metering and mixing system - project steps - Capturing short cycle times with an efficient system - Pre-treatment, application and bonding in a single move - A curing buffer saves time and space - Customers expect comprehensive solutions - Fig. 1 : An automated metering and mixing unit for the household appliance manufacturer Amica ; glass sheet storage facility in the bottom righ-hand corner, two assembly robots in the centre and curing buffer at the back - Fig. 2 : Component handling : glass sheet storage facility in the centre, sliding tables for the profiles to the right - Fig. 3 : Application of adhesive with DOPAG vectomix dosing system - Fig. 4 : The vectomix metering and mixing system : specially designed for the processing of multicomponent media - Fig. 5 : The finished product is being taken out the curing buffer - Table 1 :Before and after the dosing process - possible process steps - Table 2 : Technical data of the metering and mixing system vectomix En ligne : https://drive.google.com/file/d/1XSKQ6nYMXKJTa3aDbyo1i6EsP0du9ahT/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31947 [article]

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Calculation concept shortens the design process of injection molded parts in ADHESION - ADHESIVES + SEALANTS, Vol. 16, N° 1/2019 (2019)  

[article]  inADHESION - ADHESIVES + SEALANTS > Vol. 16, N° 1/2019 (2019) . - p. 30-31 Titre : Calculation concept shortens the design process of injection molded parts Type de document : texte imprimé Année de publication : 2019 Article en page(s) : p. 30-31 Langues : Multilingue (mul) Catégories : Calcul Composites à fibres -- Moulage par injection Distribution et orientation des fibres Simulation par ordinateur Index. décimale : 668.4 Plastiques, vinyles Résumé : Using a new calculation process, it is possible to predict fiber orientation-dependent compnent behavior in relation to shaped elements at an early stage and thus dsign the component in accordance with the expected load. This reduces costly iteration cycles and thereby shortens the entire development and manufacturing process. What is more, the concept can also be applied to areas where Integrative Simulation was previously too expensive or time-consumming. Note de contenu : - New injection molding tool for fiber orientation studies - Large spectrum of fiber orientations - Fig. 1 : Main components of the fiber orientation tensor (second order) over the normalized sample thickness - above : Dome small, rib in the direction of flow and rib perpendicular to the flow direction - Fig. 2 : Validation simulations show the potential of the newly developed method and its potential applications. Optimized anisotropic approaches and simplified phenomenological models enable much more precise prediction of actual component behavior. En ligne : https://drive.google.com/file/d/1dmsaybGphasLxVfxVHgefqors2AvaAib/view?usp=drive [...] Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=31964 [article]

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