GLUE
for gentle joining in industry
Materials, surfaces, methods of application, joining of the parts to be joined, chemical backgrounds, micro-dosing
Image: Rampf
Gluing: News about gentle joining in industry
The Glue or the adhesive technology opens up completely new fields of application in the modern manufacturing process Connection Technology. Using adhesion and cohesion, this material-to-substance connection technology is now used to connect components that years ago were unthinkable for an adhesive connection. Adhesive bonding is being used more and more, especially in the automotive industry. Among other things, we report on Materials, the procurement of the Surface, Procedure for Apply the glue, joining the parts to be joined, chemical backgrounds, microdosing and the adhesives as such - here you will find modern adhesives, dosing technology, applications and much more!
Brand new adhesive technology
Find out about gluing as integral connection technology and how to keep your developments together efficiently:
Liquid gasket, adhesive and potting compound for filter technology
Air filters, HEPA filters, oil filters and hydraulic filters must be optimally suited to the respective application in their various designs. Decisive for the performance and the economic production of the Filter are sealing foam, adhesive system and casting compound and their process-reliable processing. Rampf offers the material for filter manufacturers with liquid gasket, adhesive and potting compound.
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Viscotec has in Preeflow Technical center customer-specific trials for microdosing carried out. The fully automatic production of fiber optic cables became possible using 2K dispenser checked. The customer requested the repeated application of 5 µl of a two-component material in a volumetric mixing ratio of 8,5: 1. The was used Epoxy adhesive EPO TEK353ND.
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Modern ceramic-based adhesives create connections that hold securely even under extreme operating conditions. The high-tech adhesive Ceramabond 890, which Kager recently added to its wide range of adhesives, is specially designed for the material pairings ceramic-ceramic and ceramic-graphite. This 1K silicon carbide adhesive can be used to create chemically and mechanically resilient high-temperature connections.
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Stainless steel is difficult to glue, but permanent glue connections are often only possible with pretreatment. Delo and the Institute for Production Technology and Materials Testing at the Ulm University of Applied Sciences have now found that stainless steel bonds are almost as durable after intensive laser pretreatment as after the Saco process.
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With the viscosity-independent dispensers from Viscotec, which are all based on the endless piston principle, highly viscous materials can be dosed reliably and precisely. They offer shear-sensitive and high-precision material handling.
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Delo has a potting compound developed which has a very high media and temperature resistance. In addition, “Monopox GE6515” accelerates manufacturing processes thanks to its optimized curing time. The product is particularly suitable for potting electronic components for automotive applications.
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Interfacial moisture can cause problems when glued outdoors or in damp environments. Of the Industry association adhesives (IVK) uses a model from nature or bionics dass adhesives and moisture can also harmonize well with one another. They orientate themselves on that Principle of spider webs. Spiders hold their prey in their webs, even when the humidity is high or it is even raining.
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Polyester film has been used as an insulating material in electrical engineering for more than 40 years. The material thicknesses range from around 4 µm to areas of almost 1 mm. Most of the standard insulating tapes from CMC Klebetechnik are based on polyester films with appropriate adhesive coatings. The expensive polymide has so far been used as a film with a higher thermal load capacity. Adhesive tapes based on PEN film are now closing the gap between these two materials.
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With the so-called traffic light adhesive, it has been possible for the first time to use a color indicator to signal the curing process of an adhesive process using the traffic light colors red, yellow and green. If the use-by date of the new 2-component construction adhesive Scotch-Weld 7270 B / A from 3M is exceeded, the viscoplastic hybrid construction adhesive turns blue.
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Anaerobic means something like "airless". Anaerobic adhesives are single components or 1K adhesivesthat cure due to the exclusion of air. This is one of the two mechanisms for curing when handling the 1K adhesives. Combined with the second mechanism, contact with metal ions, the material is polymerized quickly - a challenge for the dosing unit. Preflow by Viscotec has one for this Long-term test carried out.
