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Whitepapers


Trends in Multisensor Measurement

In systems designed for automated precision measurement, users are typically balancing accuracy of measurement, speed of operation, and cost to purchase and operate. The need for tradeoffs and sometimes-difficult choices will always be with us, but the introduction of multisensory measurement throughout the last several decades, along with subsequent improvement in its capabilities, offers opportunities for improvement in all three areas.

 


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 How to Properly Pin a Shaft and Hub Assembly

One of the primary benefits of using a Coiled Spring Pin to affix a hub or gear to a shaft is the Coiled Pin's ability to prevent hole damage. Another benefit is that the Coiled Pin absorbs wider hole tolerances than any other press-fit pin. This translates to lower total manufacturing costs of the assembly.

 


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Active versus Passive Scanning for Multi-Point Measurement

There are two available contact-scanning technologies: passive and active. Passive scanning probe heads use springs to hold the stylus in its neutral position and strain gauges to measure deflection as it is moved by contours of the surface being measured. Active scanning probe heads use software-controlled electromagnets and force controllers in place of springs and strain gauges.

 


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