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LTM Electro-Dynamic Testing Machine
Electro-dynamic testing machines are used to determine material and component fatigue strength in the areas of fatigue life and fatigue limit. Thanks to oil-free drive technology and simple installation, they are ideal for use in medical engineering but also in R&D. Typical examples are tests for hip joints and knee or dental implants. Other applications are tests on standard plastics and composites test specimens as well as aluminum and plastics CT and SEB specimens. The LTM dynamic testing machine series is currently available with loads of ±5 and ±10 kN, as well as a piston stroke of 60 mm.

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Key Advantages and Features

       

     Flexible use for static and dynamic tests

  • Optimum drive characteristics thanks to a broad speed range of 0.016 mm/s to 1.5 m/s.

    Optimum positioning of travel measurement system for accurate test results

  • Load application and travel measurement system are aligned with the test axis, preventing tilting torque and bending moments and resultant travel measurement errors
  • Minimizes heat drift, yielding more accurate test results

    Low-friction slide bearings on piston rod

  • Minimization of stick/slip effects resulting in more accurate test results even when amplitudes are low

    Maintenance-free piston break system

  • No additional costs or downtime for maintenance and adjustment work
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Testing frequencies, which equal up to 100 Hz, depending on the test, ensure short test times, yielding high specimen throughput.
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Testing frequencies, which equal up to 100 Hz, depending on the test, ensure short test times, yielding high specimen throughput.

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Testing frequencies, which equal up to 100 Hz, depending on the test, ensure short test times, yielding high specimen throughput.

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Testing frequencies, which equal up to 100 Hz, depending on the test, ensure short test times, yielding high specimen throughput.

Videos

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Fatigue test on spinal implants

Fatigue testing of spinal implants to ASTM F1717-09 with electrodynamic testing machine LTM

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LTM electrodynamic testing machine

Typical Applications in the Medical Industry

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Test fixture for spinal implants

For tests to ASTM F1717 

Test fixture for dental implants

For tests to ISO 14801

Test fixture for hip prostheses

For tests to ISO 7206-4, ISO 7606-6, ISO 7206-8 and ASTM F2068 

Test fixture for spinal implants

For tests to ASTM F 2077

Quality control testing of engine hydro-mounts

 

Engine hydro-mounts offer the highest possible driving comfort for motorists. They combine the acoustic isolation function of a conventional rubber mount with balanced damping performance.

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