Touch Probe Uses Pressure Sensors to Maintain Accuracy, Repeatability

Heidenhain’s TS 740 touch probe employs pressure sensors to maintain high accuracy and repeatability, easing verification of machined parts.

Related Topics:

Related Suppliers

Heidenhain’s TS 740 touch probe employs pressure sensors to maintain high accuracy and repeatability, easing verification of machined parts. It offers accuracy of less than ±1 micron with a repeatability of 0.25 micron at a probing velocity of 0.25 m/min.

The trigger pulse on the touch probe is obtained through force analysis, providing consistent probe accuracy greater than 360 degrees. When probing a workpiece, the stylus is deflected so that a force acts on several pressure sensors arranged between the contact plate and the probe housing. These sensors measure this deflection, signals generated are processed, and the trigger signal is produced. According to the company, the relatively low probing forces provide high probe accuracy and repeatability, while offering precise trigger characteristics in all directions.

Editor's Pick

Three Takeaways from Die/Mold Expo

What do you gain by attending events like the Makino Die/Mold Expo that was held last week at the company’s Technology Center in Auburn Hills, Michigan? I asked a few of the moldmakers I met there to share their personal takeaways.