Six Innovations From Joining And Joining Technology

With Elecolit 6607, Panacol has developed a thermally conductive adhesive that can be cured gently at temperatures from 80 ° C. Elecolit 6607 is an epoxy-based adhesive that is filled with aluminum oxide. It consists of one component and, due to its flow properties, can be processed using a dispenser, screen printing or spatula

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Since the adhesive cures at temperatures from 80 ° C, heat-sensitive components can also be connected. Higher curing temperatures shorten the curing time. After curing, the light gray adhesive electrically isolates and dissipates heat at the same time.

Due to its properties, it is particularly suitable for bonding metal components and heat sinks to electronic circuit boards. Panacol-Elosol GmbH is an international provider of industrial adhesives with a wide range of products, from UV adhesives to structural adhesives and conductive adhesives.

2. More safety and performance when cladding

After two years of research as well as laboratory and field tests, Castolin Eutectic is now launching the new endotec-Safe-Hard-600 cored wire.

According to the company, the alloy for cladding is free of chrome and nickel, has less smoke and meets the strictest EU requirements with regard to occupational exposure limits (SCOEL).

The most commonly used filler metals on the market are 600 HB Brinell hardness wires, whose wear properties are based on a chemical composition with 9% chromium and 0.6% carbon. The main feature of this type of wire is the right balance between abrasion and shock resistance and a good cost-benefit ratio.

The new cored wire should be easy to process, both in terms of conveying and welding properties. The newly developed chemical composition is said to improve the abrasion and impact resistance compared to conventional welding wires with 600 HB hardness and to ensure crack-free applications.

3. Mouthpiece for narrower flanges in lightweight body construction

The mouthpieces of conventional punch riveting tools contain spring-loaded balls that center and support the punch rivet when setting. The diameter of the mouthpiece must therefore be large enough to accommodate these components. Atlas Copco has developed a new mouthpiece design for narrow flanges. With standard rivets, it can place robust connections on flanges up to 14 mm narrow. With conventional mouthpieces, the previous minimum width was 18 mm.

The new mouthpiece is available in a short, medium and long version as well as a variant for tape feed or loose feed. In addition, dies of the same diameter and die holders are available to make the opposite side of the joint more accessible.

Punch rivets generally offer flexible, reliable connections with high repeatability and short cycle times. The process creates a fatigue-resistant connection of materials such as aluminum or steel without pre-drilling and is used in particular in the automotive industry. There mechanical joining technologies are often already used in body-in-white construction.

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4. Suitable for different weather conditions

Weicon is expanding its range of cyanoacrylate adhesives with a type for extreme requirements. The one-component adhesive VA-200-HR has a very high moisture resistance and is supposed to show constant performance even after several days of constant exposure to moisture and heat.

The adhesive is transparent and low-viscosity and, according to the company, has a high aging resistance. Due to its high moisture resistance, VA-200-HR is particularly suitable for applications that are exposed to different weather conditions. For example, the adhesive can be used in pipe and pipeline construction, in the construction of kitchen and electrical appliances, in container and apparatus construction, in ventilation and air conditioning technology, in gardening and landscaping or in the sanitary area.

Cyanoacrylates are solvent-free and cold-curing one-component adhesives that cure very quickly under the influence of air humidity and pressure. They should adhere well to smooth surfaces and should connect different materials with each other within seconds.

Book tip

For many applications, adhesive technology represents a reliable alternative to other joining processes. The specialist book on adhesive technology provides designers and adhesive users with assistance in the design, construction and implementation of bonds.

5. Versatile with an operating radius of up to 50 meters

With its compact MIG / MAG multi-process welding machine, EWM AG is expanding its Titan XQ pulse series. The Titan-XQ-Puls-C with integrated wire feed drive is optionally 350 A or 400 A strong and is suitable for welding booths in industry, trade and training.

With the torch hose package up to 6.5 m long, the device is particularly suitable for stationary applications, such as in welding booths. With the EWM push / pull MT torches, welding can be carried out up to 10 m away. The intermediate drive Minidrive in combination with a standard or functional torch increases the welding radius up to 50 m.

A standard torch and three functional torches are available for the welding machine. The new PM welding torch is equipped with practical LED lighting. The LED is activated automatically when the torch is moved and illuminates dark areas on the workpiece. This simplifies welding work in otherwise unlit areas.

6. Alloy replacement solution for body repairs

Henkel introduces Teroson EP 5020 TR - a cold-processable, two-component material based on epoxy resin as a replacement for conventional floating tin for aftermarket repairs of body damage. According to the manufacturer, the material hardens quickly, is easier to sand and apply more evenly than previous solutions. In addition, the heat and open flame processes required for conventional tinning should be eliminated.

The continuous development of body materials in the automotive industry requires compatible aftermarket repair technologies to protect adjacent plastic parts, paint and corrosion protection on the back. To meet this challenge, the company has developed Teroson EP 5020 TR. This new epoxy resin formulation can be applied at room temperature without an open flame.

The epoxy material is supplied in cartridges for hand guns with a special mixer for easy application. It is suitable for use on all modern steel alloys and aluminum as well as for the body repair of all vehicles.

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Four innovations in joining technology