In this article, Dr Bill Eccles of Bolt Science Ltd, discusses the role of bolt preload in friction grip joints, as well as how the coefficient of friction can have an impact on bolted joints. In mechanical engineering, most bolted joints have clearance holes. That is, the hole is a larger diameter than the bolt’s thread diameter. A larger hole is employed for manufacturing reasons so that the...

The research, development and testing carried out at EJOT UK’s Applitec Centre is key to helping the roofing and façades sector to raise the bar in terms of optimising performance and installation processes. One of the main reasons why the facility is so valuable is that it allows systems manufacturers, envelope designers and installers to consult with the fastener manufacturer at an early desi...

The 36th edition of a leading trade show for leisure marine equipment, systems and materials, Metstrade, closed yesterday after recording its highest ever attendance of leading marine professionals from across the globe. Metstrade 2024, which took place 19th – 21st November, hosted close to 1,600 exhibitors, across 12 halls at RAI Amsterdam. The show received more than 31,000 visits from profe...

With the new indexable inserts Seco Tools, Turbo 12 and Turbo 18, users can benefit from longer tool and machine life, higher part quality and ideal conditions for automated production. Seco's chip breaker inserts increase stability, safety and quality even in demanding applications by improving chip control and reducing cutting forces. Available in five cutting material grades, the chip breake...

Designed to ensure reliable and secure joints in a wide variety of applications, from heavy loads in concrete to masonry applications, INDEX® – A PERFECT FIXING says its full range of chemical anchors are known for their high strength, adaptability to various surfaces and technical certifications, as well as the ability to offer maximum quality and safety. INDEX®’s full range of chemical fasten...

Blind rivets and screws are both fasteners that are capable of joining different materials together. The difference between the two fasteners is that blind rivets are primarily suitable for permanent, non-detachable connections. Blind rivets also have the advantage that one-sided access to the workpiece is sufficient to set the rivet. If, on the other hand, an application is screwed together, i...

The manufacturer of speciality chemical products Weicon has developed a spray to accelerate the curing of adhesives – Weicon CA-Activator PS. CA-Activator PS accelerates the curing of Weicon Contact cyanoacrylate adhesives, so-called instant adhesives. The accelerator can be applied both before and after the bonding process, and can also be used to cure excess adhesive. Weicon advises using the...

Makita USA, manufacturer of high-quality professional tools, power equipment and accessories, has released two new 40V max XGT® Impact Wrenches, the 40V max XGT® 4 Speed High-Torque ½ inch Square Drive Impact Wrench Kit with Friction Ring Anvil (GWT02) and the 40V max XGT® 4 Speed High-Torque ½ inch Square Drive Impact Wrench with Detent Anvil (GWT03), that feature high torque ratings, with the...

Panacol has developed Vitralit® UV E-2113, a new UV acrylic adhesive that is ideal for the rapid securing of commutators. This UV adhesive can be applied robotically and cures within seconds under UV light – thus accelerating the process of securing commutators. Vitralit® UV E-2113 is a highly viscous and stable one component adhesive with optimised flow characteristics that allow it to dispen...

Henkel Corporation, a global leader for adhesives, sealants and functional coatings, and Celanese Corporation, a global chemical and specialty materials company, have announced a partnership to enhance circularity in emulsion production by utilising carbon capture-based materials in adhesives. Earlier this year, Celanese launched a carbon capture and utilisation (CCU) project at its Texas site...