Metrology Features

Dirk Dusharme @ Quality Digest's picture
Dirk Dusharme @ Quality Digest
During the last couple of decades we have seen huge advances in laser trackers, portable arms, structured light scanners, laser scanners, photogrammetry devices, and other 3-D measurement...
Sam Pfeifle's picture
Sam Pfeifle
With stakeholders that include the Palestinian National Authority, the Roman Catholic Church, the Greek Orthodox Church, and the Armenian Apostolic Authorities, it’s hard to overestimate...
Vision Engineering Ltd.'s picture
Vision Engineering Ltd.
From its humble beginnings as a music carrier, the compact disc (CD)—and later the digital versatile disc (DVD)—is now entering its third generation for the high-definition market as HD DVDs or...
Pierre Huot's picture
Pierre Huot
Whether you are manufacturing small electronic appliances, automobiles, consumer goods, or large-scale parts, you know how much inspection and quality control affect the continued success of your...
GKS Global Services's picture
GKS Global Services
Mystery Science Theater 3000, an award-winning television comedy, created many unique puppet characters during the course of its 20-year existence. The show quickly became a cult classic and is...
Jon Miller's picture
Jon Miller
There is an expression in Japanese, “Dust accumulates to form a mountain.” (Chiri mo tsumoreba yama to naru.) While this may not be geologically correct, it carries a deep truth that lean...
Jacques Hoffmann's picture
Jacques Hoffmann
In parts one, two, and three of this “Leak Testing 101” series, we discussed three methods of dry-air leak testing—pressure decay, differential pressure decay, and mass-flow leak testing—including...
Cognex Corp.'s picture
Cognex Corp.
With a worldwide reputation for product quality, customer service, and minting technology, the Royal Canadian Mint (RCM) is at the forefront of innovation in producing coinage and currency. The ...
Laurel Thoennes @ Quality Digest's picture
Laurel Thoennes @ Quality Digest
There is a group effort commencing beneath the English city of Nottingham with a main goal of assessing the archaeological importance of nearly 500 man-made caves that were cut into the sandstone...
Pierre Huot's picture
Pierre Huot
If a manufacturer were to ask its clients how they evaluated goods or services, the three most common metrics would be goods at a fair price, on-time delivery, and quality. Ask which could...
Johns Hopkins University's picture
Johns Hopkins University
Large wind farms are being built around the world as a cleaner way to generate electricity, but operators are still searching for the most efficient way to arrange the massive turbines that turn...
Tracker Handbook by Javier Vera's picture
Tracker Handbook by Javier Vera
The technology from which the laser tracker is drawn has a diversified beginning, from the laser instrumentation to the methods of capturing the beam. Unmistakably, it is the integration of all...
Christopher Sirola's picture
Christopher Sirola
Many years ago, I was flipping through stations on the radio and came across a talk show. I don’t remember the topic of discussion, but something the host said stuck with me. “Scientists,” the host...
Sharbari Banerjee's picture
Sharbari Banerjee
A material’s internal structure or microstructure is defined as one that is viewed with either a metallurgical microscope at magnifications in the range of 25X up to 1000X or a scanning electron...
Bob Cramblitt's picture
Bob Cramblitt
The term “a measure of confidence” has always been considered a nebulous thing. But it becomes very real when applied to body armor testing at the U.S. Army’s Aberdeen Test Center (ATC) in Maryland...
Sam Pfeifle's picture
Sam Pfeifle
One of the topics that drew the most interest at the recently completed SPAR Europe conference, held at the RAI Conference Center in Amsterdam, was that of mobile scanning and mapping. What kind of...
Nikon Metrology Inc.'s picture
Nikon Metrology Inc.
Because damage inflicted on aircraft can affect structural integrity and radar signature, specific aircraft types are inspected to triage damage and define repair actions. To radically improve...
Digital Surveys Ltd.'s picture
Digital Surveys Ltd.
Building information modelling (BIM) is one of the most fundamental changes to affect the global construction industry. The growing worldwide adoption and implementation of this technology allows for...
Hexagon Manufacturing Intelligence's picture
Hexagon Manufacturing Intelligence
The race is on for who will manufacture 1,000 mirrors for the European Extremely Large Telescope (E-ELT). Cranfield University in the United Kingdom has begun work on producing seven of the mirror...
Jacques Hoffmann's picture
Jacques Hoffmann
In parts one and two of this ongoing primer on leak testing, we discussed pressure-decay testing and differential pressure-decay testing, respectively. Although those leak-testing methods remain the...