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Calibration Hex Step Adapter for Testing Open End Wrenches

Posted by Mountz Torque March 3rd, 2015 0 Comments   

When calibrating or testing torque wrenches, often adapters are needed. Especially wrenches with open-end heads. Testing wrenches with different open end sizes will mean you need a variety of different size adapters. Why waste time with searching for different size adapters? The time needed to remove and insert different size adapters is unnecessary.


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Torque Sensor – A Finely Tuned Instrument

Posted by Mountz Torque January 8th, 2014 0 Comments   
Torque Sensors

Calibrating a hand or power torque tool is process that manufacturers need to ensure occurs on standard and consist basis. Regular tool calibration ensures repeatable accuracy and adherence to international standards. A torque tool is a precision tool and should be treated and maintained like a measuring instrument. A tool must be properly calibrated and maintained on a preventative maintenance and calibration schedule.

In order to maintain accuracy, it is crucial that a torque tool and measuring equipment be calibrated regularly. Some organizations may recommend six (6) month calibration intervals, while others may schedule it at twelve (12) months. However, it is the organization that owns the tool that must determine a suitable calibration frequency that meets their needs based upon many factors, such as history of equipment performance, application, degree of usage, and management objectives. Some manufacturing companies own torque calibration equipment and calibrate their tools “in-house”,  while other companies send their tools out to a calibration lab. Be selective when choosing a lab. A facility needs to comply with quality standards. A lab that is ISO 9001 certified and ISO 17025 accredited is a good starting point.

A torque sensor is a finely tuned instrument designed for testing and monitoring torque applications. Designed for torque evaluation and verification, a torque sensor is a laboratory grade instrument that is commonly used for quality control, R&D and calibration applications. Using a quality sensor is key for many companies to ensure that the proper torque is being applied. Testing torque is literally a science and not something that can be left to chance.

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Establish a Verification and Calibration Interval for Your Torque Wrench

Posted by Mountz Torque October 6th, 2011 0 Comments   
Verification Wrench

Torque wrenches go out of calibration with use. Verifying the accuracy of a torque wrench is a key quality measurement that must be taken for a successful outcome. Two accepted methods may be used. Verification is a process step to validate if the wrench is in or out of calibration. This test can be conducted with a suitable torque tester/checker. Any operator or inspector may verify a wrench by connecting it to a suitable torque tester and pulling the wrench. The torque tester will display a result that must be compared to the allowable tolerance of the wrench. Some torque testers offer a tolerance-setting feature that provides a GO/NG result (RED or GREEN) when the wrench is pulled. If the verification result is OK then the wrench is deemed in tolerance. If it is NG then calibration or adjustment of the wrench is required.

Unless broken, calibrating a torque wrench is a fine-tuning of the wrench to bring it back within tolerance. A competently trained technician with equipment that is certified to the National Institute of Standards and Technology (NIST) must perform the work if a calibration certificate is required. The international standard for torque wrench calibration (ISO6789) mandates all conforming wrenches meet or exceed 5000 cycles before requiring calibration. It also defines the methodology for calibration. Most competent wrench manufacturers use ISO 6789 as the basis for establishing performance criteria or standards for their tools.

A regular scheduled verification and calibration program helps to eliminate errors based on a wrench being out of tolerance. Competent calibration labs in conformance with ISO17025 or best practices will issue “as found” readings for a calibration, allowing examination of the wrench condition at time of calibration. It is an industry practice to reduce the calibration interval by one half if a wrench is found to be out of tolerance at time of calibration. Failure to calibrate a torque wrench may lead to failure of a joined connection.


Torque Wrench Calibration with a Mechanical Torque Wrench Loader

Posted by Mountz Torque August 17th, 2011 0 Comments   

The Loading Bench by Mountz Inc. is a laboratory grade instrument designed to enable accurate torque wrench calibration with less physical effort. The Loading Bench simulates torque application conditions with minimum effort and enhanced safety for the calibration technician assuring a more accurate calibration. The calibration instrument enables quick and easy torque wrench calibration and presetting, independent of human influence or transducer side and end load factors. The Mountz Inc. Loading Bench is designed to calibrate torque wrenches in accordance with International Standards ISO6789:2007.

Calibrating a torque wrench is a fine-tuning process of bringing the torque wrench back within its tolerance. The international standard for torque wrench calibration (ISO6789) mandates all conforming wrenches meet or exceed 5,000 cycles before requiring calibration. The drive system of the Loading Bench assures the load application eliminates potential operator induced test errors. Built for durable use, the Loading Bench reduces the operator effort required to attain and sustain torque during the calibration process.

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Torque Tool Testing and ISO 9001 Documentation Faster, Easier and Cost Effective

Posted by Mountz Torque December 29th, 2010 0 Comments   

The TorqueLab®, LTT-Series, is a torque tester that offers portability, expandability and documentation control. Meeting the demands to test multiple torque ranges for various torque tools used in production, maintenance and calibration labs, the LTT features the EZ-Plug & Play technology, which is an auto-recognition system for Mountz torque sensors.  The torque tester is designed for torque calibration, joint testing, auditing or for force and load measurement or verification of load cells.

The EZ-Plug & Play feature of the LTT facilitates and expedites the process of setting up and running tool tests, as well as the transfer, analysis and storage of test data for ISO/SPC documentation purposes. The combined hard-software manufacturing solution offers tool testing, graphing capabilities and a graphical menu for easy navigation.

As an advanced torque controlling, monitoring and documentation solution, LTT enables operators and engineers to ensure product quality, safety and reliability promptly in a variety of manufacturing environments. The LTT torque tester can calibrate hand screwdrivers, pneumatic tools, torque wrenches, and power tools to avoid over tightening problems such as stripped threads and under tightening problems, which can increase liability and risk of recall.

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