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Posts Tagged 'torque tools'

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Cologne International Hardware Exhibition – What Were People Talking About?

Norbar has been going independently to the ‘Cologne Fair’ for about 27 years now and probably for 20 years before that sharing a stand with our distributor so we have seen a lot of changes.  The significant change this year was the drop from four days to three for the event.  Strangely, we still started on Sunday; it was the Wednesday that was dropped!  Whether the three day show was a good decision was certainly something that exhibitors and visitors were talking about.  From a visitor’s point of view the show is significantly smaller than it was 20 years ago and it no longer takes four days to do it justice.  On the other hand, they would have found stands busier and may have had to wait longer to speak to the people they needed to.  There was talk amongst exhibitors of possibly having to take more staff and having more stand space in order to cope with the concentration of visitors down to three days and this would largely offset the cost benefit of exhibitin ...

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All fired up and ready to go

The Ferrari Testarossa has been a bit of a dream since I was a kid. I was born in 1977, and it was probably one of the largest car icons during the 80s and beginning of the 90s... maybe one of the greatest ever? When I thought I had the opportunity to get my hands on one, I really wanted to look at the very first series for one reason only; they have a unique large centre nut that gives them a very classic look, instead of five wheel bolts.   First series car (note large nut on the wheels)...  http://www.ultimatecarpage.com/images/car/1889/13782/Ferrari-Testarossa.jpg Later model (note five bolts on the wheels)... http://cdn.silodrome.com/wp-content/uploads/2013/11/Ferrari-Testarossa-Berlinetta-1.jpg   My decision to purchase one seemed fairly clear-cut, but the  internet and classic car owner meetings were full of stories of Testarossa’s having lost one wheel causing enormous damage, and I suspect large bills too. Here I have an advantage – working for torque tool c ...

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Our Careers Evening

In January we hosted a Careers Evening aimed at 14-19 year olds looking to understand a little more about Engineering, and other potential career paths once they leave school. The aim of the evening was to show young people that we are an Employer of Choice within Banbury and that we are looking for technically minded electromechanical/software people to join us. Our fantastic team made up of Engineers, both electronic and mechanical, supported by our Quality, Marketing and Procurement teams enthusiastically demonstrated product, and discussed potential career paths with students, potential apprentices and parents.  Our training provider - the Engineering Trust and the HR team were also on hand to guide prospective apprentices through the programme, its structure and benefits. Our talented current apprentices, years 1 – 4 were also available throughout the evening to talk to parents and students, on what it’s really like being an apprentice and why they enjoy working for Norbar. And they d ...

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The ClickTronic Torque Wrench - What Is It?

Norbar’s new ClickTronic torque wrench is a mechanical “clicker” torque wrench with an electronic scale.  This may lead some to wonder where this fits into a torque wrench market that already contains fully electronic wrenches and fully mechanical wrenches. Our answer is that, for many, we believe that the ClickTronic will give the best of both worlds and to explore this statement we need to look at mechanical “clicker” wrenches and fully electronic wrenches and consider what they are best for. Electronic wrenches are invaluable in the quality control environment or for highly safety critical application where you need greater accuracy than mechanical torque wrenches provide and/or you want to record torque tightening data.  However, they need to be used very slowly and steadily to achieve high accuracy.  When you are using an electronic wrench for tightening, it is normal for the target to be set and the wrench will indicate that you are approaching the target ...

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The ten things you should know about your torque wrench

Torque wrenches are common place across a variety of industrial processes, commercial garages and even homes wherever there is a precision assembly process utilising threaded fasteners. Considering their widespread use however, there remains a number of things that people get wrong or simply don’t know.  Here Philip Brodey at Norbar Torque Tools highlights the top ten things to consider.    1.      Storing your torque wrench When a torque wrench is in regular use it does not need to be wound back. However, when storing a torque wrench for an extended period of time, users should always wind it down to the minimum scale setting and never to zero.   A fully loaded torque wrench, left in storage for a long period, can cause a ‘set’ in the spring, causing it to weaken over time. On the other end of the scale, by completely off-loading the spring, other components within the wrench may move fractionally relative to each other. When you re ...

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The complications of ISO standards

In my last blog I explained that the working group for torque wrenches had been meeting since 2008 to revise and develop the existing standard for torque wrenches ISO 6789:2003.   The project has taken far too long and sometimes people ask me why we have not finished before. In the following paragraphs I will try to explain some of the reasons, from my perspective. My aim is to give you an insight into standards preparation.   Every ISO standard has an owner, in the form of a Technical Committee. ISO/TC 29 looks after “small tools” which includes drills, milling cutters, abrasive grinding discs as a well as hand tools. The area of spanners, screwdrivers etc are defined as “Assembly tools for screws and nuts” and these are the responsibility of a Sub-Committee called ISO/TC 29/SC 10. Sub-Committees are populated with delegates from member countries. In ISO/ TC 29/SC 10 we have 10 countries who are registered as participating and 16 countries who are observing. More informa ...

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Let’s talk cycle torque!

Cycling is a growth sector in the UK. Whether it’s because of Bradley Wiggins, Chris Froome, Chris Hoy or Team Sky at the Tour de France, cycling traffic has increased every year since 2008 – roughly about the time that the British first realised we were getting quite good at it.


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A massive step forward with T-Box technology

For the first thirty years that Norbar manufactured torque measuring instruments we were not too concerned about what people did with the data that the instrument produced. Of course, the earliest versions did not even provide a means of electronically transferring the data from the instrument to any other device, so the provision of RS-232 in the 1980s seemed like an advance, but a costly one, because we charged over £200 extra or the privilege. Also, it took so much space in the lid of the instruments (TWA and ETS) that you could not have RS-232 and an internal battery pack.  Those were the days! The real Norbar instrument geeks will remind me that RS-232 was not our first means of data transfer – that was Binary Coded Decimal (BCD) on the ETTA instrument of the ‘70s and ‘80s, but I am going to gloss over that! Thankfully, RS-232 became standard on instruments from 1994 although there is now a question of whether new generation products should include it because ...

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Vibration White Finger: More care needed when choosing tools

Around 300,000 people in the UK suffer from Vibration White Finger (VWF) – an industrial illness caused by the use of vibrating tools and equipment. Traditionally a miners disease, widespread use of modern vibrating apparatus means workers across other sectors are now being diagnosed. The commercial vehicle industry is one such sector and concerns are being raised about how much is being done to fully protect staff in this area from the effects of VWF. Commercial vehicle garage workers are often expected to use an impact gun on a regular basis, but we’d suggest the use of a torque wrench instead which is not only more accurate but also protects the operator from the effects of this unpleasant condition.    If impact has to be used we would say use it sparingly and only to tighten bolts to a specific point well below the required final torque. Using a properly calibrated torque wrench beyond this point will finish the job without the dangerous vibrations. Intelligent purchasing ...

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Torque and angle explained

If we asked a handful of maintenance engineers what exactly they are trying to achieve when they tighten a bolt, it’s likely that we’d receive a wide range of answers. Strictly speaking, when we tighten bolts we’re trying to stretch the bolt enough so that the elastic tension within it clamps the assembly together. That’s right - it’s one that’s easier done than said! In a perfect world we would always recommend measuring the tension in the bolt, as opposed to the torque, because the tension is what we really need to know. In the real world, torque is the simplest way of achieving control in threaded fasteners but it is only an indicator of the tension. Unfortunately there is no cheap, easy, reliable way to directly measure tension in a bolt but application of known torque gives sufficient control in the majority of situations. It is widely accepted that the majority of torque we put into a threaded fastener goes into overcoming friction in the assembly as only between ...

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Norbar News & Updates

Read about Norbar’s news and developments in the UK and across our international network for the latest updates on the fascinating and fast-moving world of precision torque engineering.

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Download Our Apps

Norbar apps are available free for download on Android and iPhone and are invaluable tools for engineers.

Our Torque Unit Converter provides instant conversion across Metric, SI and Imperial units.

The Torque Extension app calculates the exact torque wrench setting value for required level of torque to be applied.

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FAQ

Precision torque engineering is a wide and complex field which is critical to many sectors of industry and poses many questions to those seeking information about its features and practical applications.

Here are some of the key queries we regularly encounter.

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Use Our Calculators

Norbar has devised easy-to-use online calculators that support the correct application of torque in three key areas:

  1. Unit conversion to assist international measurement definitions.
  2. Torque extension for setting correct values
  3. Torque tension to identify precise levels of torque to be applied for individual applications.

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