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Hydraulic Wrench Calibration

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Hydraulic wrenches are perhaps the most linear of all torque tools when it comes to calibration results. These tools operate on a pressure versus displacement principle and normally produce extremely consistent results.

As with all torque tools they are subject to wear and tear and should be periodically serviced and calibrated. If any leaks are detected in the normal course of operation with this type of tool they should be tagged out of service immediately until the leak can be identified and repaired.

Calibration is performed in a test rig with a suitable torque transducer and readings are taken over the entire operating range of the tool.

Calibration results are then tabled in a torque versus hydraulic pressure format to allow the operator to select his desired torque output according to the hydraulic pressure of the pump used to operate this tool.

In addition the gauge used on the hydraulic pump should be periodically calibrated to ensure it is giving a correct indication of the hydraulic pressure applied to the tool as any variation will affect the resulting torque output from the hydraulic wrench.

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    • Torque Wrench Calibration
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    • Hydraulic Wrench Calibration
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Recent News
  • Tips for Selecting the Proper Torque Wrench
  • Case Study
  • Preventive Maintenance for a Torque Wrench
FAQs
  • What is Torque?

    Torque is a “turning” or “twisting” force and differs from tension, which is created by a straight pull. However, we use torque to create a tension.

  • How does Torque Work?

    As the nut and bolt are tightened, the two plates are clamped together. The thread angle in the bolt converts the force applied into tension (or stretch) in the bolt shank. The amount of the tension created in the bolt is critical.

  • Why Use Torque Products?

    A bolt tensioned properly works at its optimum efficiency and will resist coming undone. However, if the tension is too low, the nut could vibrate or work loose. If the tension is too high (overstretched), the bolt could break. Every bolt has a correct optimum torque/tension figure for each fastening application. It is important to have these figures available so that the end product will be safe, efficient and economical.

  • How to Measure Torque?

    Torque is the result of multiplying the value of Force applied by the Distance from the point of application.

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  • Street Address:
    Unit 4/19 Terrence Road
    Brendale QLD 4500
  • Phone Number:
    0429 053 553
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    07 3325 3179
  • Email:
    info@xcal.com.au

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