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Industrial application - Torsion test on hand tools

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Customer Need and challenge

tournevisANDILOG collaborated with a big name of hand tools' manufacturer for the automotive market to supply a torque measuring solution. The challenge was to provide a torsion test bench which is able to efficiently characterize the torsion withstand by screwdriver blades during normal uses.

Hand tools, i.e. screwdrivers, are designed and constructed to withstand screwings/unscrewings torque without deformation or patent defects. The goal was to control the defined performances and specifications of each screwdriver’s type during R&D stages, as well as auditing the mass production process.

 

ANDILOG Solution

ANDILOG supplied a motorized and automated torsion test bench which is able to cover a large torque range from 0.4Nm to 40Nm, thus making it possible for a wide range of hand-tools to be evaluated.

 

Results

The DRIVETWIST, torsion test bench, combined with the CALIFORT software allows a fully automated test protocol. A pass/fail analysis is performed, based on the torque results when a pre-defined angle has been applied to the hand tool by the torsion test bench DRIVETWIST.

The CALIFORT software commands the torsion test bench and saves the results to meet the requirement of a fully traceable history. It also enables the user to save testing reports for future references. .

ANDILOG’s customer is now able to characterize the mechanical properties in torsion (the torsion yield strength and modulus of rupture) and define the type of torsion failures. By performing torsion test on different samples with the DRIVETWIST, the following measurements are done:

  • the breaking torque values and the maximum torque that the screwdriver blade can support, in order to validate the hand-tool specifications

  • the torque versus angle results and so audit the manufacturing process.

 

ANDILOG Products

The DRIVETWIST is a compact motorized torsion testing machine, which is fully automated thanks to the command & data acquisition CALIFORT software.

The test bench frame is made of rigid and high precision linear guides, which carry the high accuracy  strain head (which measures the twisting moment of torque) and the motor head (the twisting head which apply the twisting moment to the specimen). Equipped with two platens which come with pre-drilled holes, it can accommodate a large choice of sample’s fixtures.

The CALIFORT software commands the tester, and offers valuable features to configure the testing parameters and to analyze the acquisitions.

How it works

  • The specimen fits between the strain head and the torque motorized platform.

  • The motor applies the twisting moment at a constant rate to the specimen and the strain head measure the torque. The angular displacement (or degree of rotation) is measure by the encoder.

  • Direct reading of torque and angle is available on the digital reader.

  • The software allows complete tester control along with the acquisition and analysis of the torsional test data and allows to determine the material behaviour in torsion loading.

Our key added value

Our added value has been underlined by our customer by our capacity to coordinate approaches and method effectively. We have been able to react and answer quickly to the needs of providing a full compatible and advanced device. The main advantages of our measuring solutions are:

  • Automated tester (results are not affected by the user)

  • Multi torque transducers compatible to test a large range of samples

  • Automatic calculation and report edition

ANDILOG's force gauges are specifically tailored towards quality assurance and research, for further information please contact ANDILOG’s Team.

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Article Related Products

DriveTwist automated torsion test bench angle

DriveTwist, automated torsion test bench

Series code: DRIVETWIST
Highlights:
  • measure Torque and Rotational displacement
  • Fully automated tester
  • Live graphing
  • Torque range from 0.15Nm to 24Nm
>> read more...
test software Califort

Califort material testing software

Series code: CALIFORT
Highlights:
  • Intuitive interface and adaptability
  • Edit and create customized test reports
>> read more...

Just a few of our partners

  • Bouygues Construction (France)
  • Cumins (USA)
  • Johnson Controls
  • Shimadzu (USA
  • Valéo (France)
  • Avinent (Spain)
  • Geneq (Canada)
  • SNCF (France)
  • Ball Packaging (Deutschland)
  • Hayden (USA)
  • Batelle (USA)
  • NIH (USA)
  • Thales (France)

Andilog

ANDILOG TECHNOLOGIES is a recognized specialist for over 25 years in measuring instruments for force and torque applications in the industrial and research markets. We achieved this goal thanks to a culture of innovation and a strict quality policy. For each measurement case of force or torque, Andilog is creating an innovative and ergonomic solution. We offer measuring devices such as test benches, software, force and torque gauges, digital displays, manual and motorized test stands. We also have every possibility of calibration in force and torque in our laboratory. Our experience as a designer, a manufacturer and an integrator of portable force measuring systems allows us to offer integrated products into complete systems for assembly or manufacturing. All these products feature the latest technologies and are designed for ease of use by industry technicians, laboratory or research.

Andilog Technologies ISO 9001:2015 Certified Certificate #A529
ISO 9001:2015 Certified
Certificate #A529

ANDILOG TECHNOLOGIES, for force gauge, torque gauge and test stand A complete range of force measuring instruments

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