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From the monthly archives: June 2015

We are pleased to present below all posts archived in 'June 2015'. If you still can't find what you are looking for, try using the search box.

The EvoTorque and Voltage Drop

My name is Mark Hadfield and I am one of the Technical Sales Engineers based at Norbar in Banbury. One of our roles is to liaise with our distributors and customers to provide solutions to any issues they may have with any Norbar products.I was involved with the original testing of the EvoTorque prior to its launch and have been closely involved with the use of the tool ever since.    The EvoTorque, in common with other mains powered tools, is often used with an extension lead. This, in turn, has lead to questions from Customers and Distributors as to the effect of voltage drop on the EvoTorque. For an AC tool voltage drop describes how the supplied voltage is reduced as electric current moves through the passive elements (in this case the cable) of an electric circuit. This is caused by the internal resistance of the cable and the resistance to change of current (Reactance). Together they are called Impedance.   We knew the EvoTorque exceeded the minimum requirements for minimum and maximu ...

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ISO 6789: 2016 takes a step closer in New York

As the UK lead delegate for the ISO TC29 SC10 technical committee, I have the honour to represent the UK in drafting standards for tightening tools. The meetings are hosted by different national delegates each time and last week the meeting was in New York, with delegates from seven countries. One of our key standards is ISO 6789. This torque wrench standard is now 12 years old and the new standard being developed will continue to specify requirements for design, manufacture and  calibration. Overall the main purpose of our work is to improve the performance of torque wrenches and to ensure consistent calibration results from different laboratories.   There are two significant changes this time. One is to separate the calibration requirements into Part 2, leaving the design and manufacturing requirements in Part 1. The second is to provide a method for calibrating the measurement device used to calibrate the torque wrench. In the UK we have a perfectly good stand ...

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Training and Flexibility of Staff

When faced with a variable workload with regards to volume and differing parts over a number of shifts, the question always arises as to how be the most effective way of managing resource. On two of our shifts the work centres outnumber the staff; therefore flexibility of staff is essential to enable the planning function to run the work centres they need to meet demand.   To control and maintain the flexibility on any shift, the manager uses a training matrix to register all aspects of staff training, safety manning levels are set for each critical work centres. If staff levels drop below the safety number, the shift manager will take appropriate action to bring the level back to the agreed number. This allows the shifts to cover all work centres through periods of holidays and absence. One area of flexibility that can easily be overlooked, is ensuring that once a member of staff has been trained to the relevant level, that skill level is maintained.. This is dealt with by transferring staff around th ...

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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.

NORBAR TORQUE TOOLS LTD. Wildmere Road, Banbury, Oxfordshire, OX16 3JU, United Kingdom
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