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How does the touch trigger probe function?

Views: 0     Author: Site Editor     Publish Time: 2023-06-09      Origin: Site

How does the touch trigger probe function?

The touch trigger probe is a vital tool in the field of precision measurement. It works by detecting the position and deflection of its stylus tip as it touches the surface of an object being measured, providing highly accurate and precise information that is essential to many industries.

The touch trigger probe consists of a stylus, an internal mechanism, and an electrical interface that connects to the measuring instrument. The stylus, which is typically made from ceramic, ruby, or diamond, is incredibly sensitive and can detect even the slightest deflection as it comes into contact with the surface of the object.

The internal mechanism of the touch trigger probe allows it to sense the movement and position of the stylus concerning the measurement surface. This mechanism typically includes a piezoelectric crystal that generates a voltage by mechanical deformation when pressure is applied to the stylus. This voltage is then transmitted to an analog-to-digital converter that converts it into a digital signal that can be interpreted by the measuring instrument.

One type of touch trigger probe uses an optical mechanism rather than a piezoelectric crystal to detect the deflection of the stylus. This mechanism relies on a light source and a shadow detector to register the movement of the stylus.

In operation, the touch trigger probe's stylus tip makes contact with the object's surface, creating a trigger voltage. This energy is then converted into a digital signal that is sent to the measuring instrument. The instrument records the location of each point of contact between the stylus and the surface, creating a 3D model of the object being measured.

Overall, the touch trigger probe functions by using its stylus to detect the deflection caused by contact with the surface of an object. By converting this energy into a digital signal, the instrument can record the precise location of each point of contact and create a 3D model of the object. Thanks to its high accuracy and precision, the touch trigger probe is an essential tool in a wide range of industries, including manufacturing, engineering, and medicine.

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