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Process Control

A discussion with Lou Fetch, Performance Automation

Lou Fetch is with Performance Automation (Loveland, OH, USA; www.performanceautomatio ninc.com), which was established in 2005. Editor in chief Conard Holton talked to him about inspection systems and implementing SPC practices.

Topic	Posted by
Vision system calibration standards- need for recertification?	pete.nico@molex.com
Comparison of good product for fault detection	carried@pennwell.com
Seeking machine vision system for PCB inspection	carried@pennwell.com
Great editorial
Entertaining Editorial
Seeking hyperlens
Micro coils in beam combiners?
High expectations, little money
Blue Rinse redo
Legend New Topic/No Replies Existing Topic/No Replies Topic with Replies Closed Topic

My View
by Andy Wilson

A bad case of the blues

The lack of industry standards penalizes system integrators and makes installing a machine-vision system more risky for the end user

Special Feature

Custom camera speeds sorting of cotton fibers

A custom prism camera system detects foreign particles in raw cotton for separation

Before cotton fiber can be spun, the raw cotton must be sorted to remove any foreign particles and fibers. While foreign particles can be clearly distinguished from the raw cotton by color, contrast and structure, foreign fibers such as polypropylene or polyethylene films are often light and transparent, making them difficult to detect using conventional foreign particle separators.

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