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Metrology

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Measures the latch/striker characteristics regarding closing force, latching sound and travel at programmable speeds.

Introduction

LPT or “Latch Performance Tester” is a test bench to evaluate the static and dynamic performance of a door latch. The setup can be adjusted in 3 dimensions to accomodate latches built into a section of sheet metal housing.

Testing

The programmable drive can provide test cycles for both dynamic as well as semi static test. Integrated acquisition unit will record and communicate position and force during the travel of the striker. This unit can optionally be equipped with sound recording device for sound performance.

True Kinematics Setup

The kinematic is designed to simulate a true impact with a given swing radius of 1000mm, resulting in an accurate X-Y displacement of the striker during impact. The kinematic structure is also adjustable to simulate and evaluate striker misalignment. Sub-modules are available to simulate any mounting angle of the assembly versus the roatation axis of the door.

Expandable

The bench setup has the possibility to add in extra sensor to be recorded in full synchronization with other channels and drive system. Impact speed can also be adjusted within a range from 50 to 1500mm/sec with higher speeds upon demand.

Specifications

  • 110/220V
  • Max Force reading 300N
  • Max Travel 150mm
  • Speed 50 to 1500mm/sec
  • Sound Recording 44kHz
  • LPT Software for control and data export to csv