Lion Precision - PRODUCT NEWS

Lion Precision announces new Application Note to improve Shaft Runout Measurement Efforts

To help designers, engineers, and maintenance staff make better shaft runout measurements, Lion Precision has documented best practices in a new application note available on their website.

Real-time shaft runout measurement is common in machine condition monitoring and other applications. Like many measurement applications, there are unanticipated challenges for the uninitiated and a variety of solutions to those challenges. Even people with shaft runout measurement experience may discover that there is a better way.

Non-contact capacitive and eddy-current displacement sensors are the most practical methods for real-time measurements in an operating machine. Each sensing technology has advantages and disadvantages which are documented in detail in the new application note. The application note also includes strategies for mitigating sensor disadvantages and challenges so as to produce the most accurate measurement possible within the specific application.

Shaft runout as part of a condition monitoring system is common in power generation, ship drive systems, and other industrial machinery driven by a rotating motor. In such a system, bearing wear is inevitable. The condition of the bearings must be monitored to alert operators when bearings need to be replaced – before they fail with potentially catastrophic results. Without condition monitoring, bearings must be replaced on a defined periodic basis. This often results in either the costly and unnecessary replacement of perfectly good bearings or the catastrophic failure of a system in which the bearings fail prematurely.

In 1958, Lion Precision was the first company to provide capacitive displacement sensors to industry. The company has expanded its product offering to include eddy-current displacement sensors and some application specific sensors for the machine tool, packaging and PCB industries. The company is focused on assisting users in sensor implementation by providing expert guidance and optimized systems including custom designs.
Lion Precision, an IBS Precision Engineering partner, sells the Triskelion in the United States. The company was established in 1958 and pioneered commercially available noncontact sensing systems. The company provides high-performance capacitive and eddy-current displacement sensors for industries such as machine tool, semiconductor, disk drive, automotive, packaging, and university and national laboratory research.

July 2013

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