Old-style vibration testing of fasteners to determine self-loosening behavior just needed a basic Junker Test bench and the fastener. In this second of four articles explaining the requirements of the new DIN 25201, Vibrationmaster CEO Morten Schiff explains that test requirements just got a whole lot tougher.
Vibrationmaster’s objective to assist with product quality and safety standard improvements in the fastener sector received a boost following multiple orders for new machines at the National Industrial Fastener & Mill Supply Expo. Esbjerg, Denmark – Wednesday 24th October 2012: Product safety and quality, including greater compliance with DIN 25201, received a boost in October. […]
The fortunes of the fastener sector correlate directly with its largest single consumer, the automotive industry. Motor vehicle production growth in turn offers growth opportunities for fastener manufacturers. But where can those opportunities be found? Despite the economic downturn, global motor vehicle production surpassed 80m vehicles in 2011, an increase of 3% when compared to […]
Fastener buyers and end users are increasingly insisting on transverse vibration test, or Junker Test, reports compiled according to DIN 25201-4 B. This means the report on your fasteners must provide consistent and accurate data about the self-loosening behaviour of the bolted joint and locking mechanism under test. Test reports based on the old standard, […]
Demanding new test requirements could result in existing fastener product ranges becoming obsolete as they drop from specification lists. In a series of four articles, Vibrationmaster CEO Morten Schiff explains the important differences between conducting Junker Testing of fasteners for self-loosening behavior under the old standard, DIN 65151, and the new DIN 25201.
Issued 7 November 2011 Vibrationmaster’s innovative J150 portable Junker Test Bench allows two fasteners to be simultaneously tested and compared in real time Ribe, Denmark – Tuesday 7 November 2011: Fastener manufacturers can now simultaneously demonstrate the self-loosening behaviour of two competing bolted joints, secured with lock-nuts or wedge washers, using Vibrationmaster’s new J150 Junker […]
From Vibrationmaster October 2011 newsletter. We were recently delighted to hear from Ralf Mai, General Manager at DISC-LOCK Europa GmbH that he is keen to test his company’s products on the Vibrationmaster J600 Junker Test Bench. In advance of Ralf putting the J600 through its paces, we spoke to him about Vibrationmaster, the new DIN […]
The DIN 65151 standard, which has been used by the fastener industry for over 20 years, has been superseded by the new DIN 25201-4 B. It has introduced tough new test criteria that must be adopted by fastener manufacturers. As described in more detail below, DIN 25201-4 B includes a new mandatory requirement to conduct […]
By Morten Schiff, Vibrationmaster. The article was published in: Fastener Technology International, August/September 2011. Click here for online version Fastener and Fixing Magazine, September 2011. Click here and go to pages 124-128 for online version. Not re-testing fastener stock to DIN 25201 could cause product ranges to become obsolete. The following explains the important differences […]
Our customers have made sure that we’ve already had an exciting 2012, as we’ve added two new Junker Test machines to our range in response to their requests: The new J900 Junker Test machine features two load cells that enable optimal test resolution across its truly broad fastener size range, which spans M5 – M45 […]