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Laser Scanning Helps Aspiring Car Designer Bring Clay Model to Life
GKS Global Services
Jamie Goldstein from Newton, Massachusetts, was 15 years old and an aspiring car designer when he sculpted an elaborate car design in clay. Having the foresight to create a design portfolio of his work, he wanted to make a more durable model of the clay car, painted and detailed. Modeling clay was…
The Perfect Nanocube: Precise Control of Size, Shape, and Composition
NIST
With growing interest in using nanoparticles for everything from antibacterial socks to medical imaging to electronic devices, the need to understand the environmental, health, and safety risks of these particles also grows. Researchers at the National Institute of Standards and Technology (NIST)…
Performing Gauge R&R on Thread Gauges
During the past few years, I’ve found myself encountering more customers requiring gauge repeatability and reproducibility (GR&R) studies performed on thread gauges. When I say, “thread gauges,” I’m really referring to indicating thread gauges; you might refer to them as “snap gauges” or “tri-…
3-D Scanning and Processing Technologies Help Ensure Safety of NASA Shuttle Discovery
Bob Cramblitt
When the NASA Discovery space shuttle launches in November, there will be dozens of upgrades and safety modifications, but one thing will remain unchanged from every mission during the last five years: 3-D scanning and processing will be used to help ensure the safe return of astronauts to Earth…
Hot-Rod Restoration Revved Up with 3-D Scanning
Laser Design Inc.
RavenWorks, a Maple Grove, Minnesota, company known for its automotive machining and testing business, is launching its own line of automotive parts. RavenWorks’ employees, who are hot-rod enthusiasts, saw a need in the market for replacement parts for vintage vehicles. They decided to carefully…
A Wrinkle in Timekeeping
Taran March @ Quality Digest
Although it takes longer to say, “Do we really need a leap second?” than to allow one to come and go, the ongoing wrangle over these troublesome if fleeting moments has spanned a decade now. Most of the debate has occurred off the clock, at least as far as everyday living goes. Alarms continue to…
A Global Role for Coordinate Metrology
On behalf of the Coordinate Metrology Society Executive Committee, I would like to thank each of you for contributing to the 2010 Coordinate Measurement Systems Conference. Each member of the Coordinate Metrology Society (CMS) is responsible for adding to the exchange of technical ideas, concepts…
Using Laser Trackers for the Construction of Teak Decks
Automated Precision Inc.
Martin Säger, survey engineer at Wolz Nautic: The measurement of the templates clearly saved time. Brothers Michael and Andreas Wolz manufactured 5,000 teak boat decks last year, a hand-crafted product with high requirements for quality. Their business, Wolz Nautic,…
3-D Point-Cloud Processing for Maintenance, Repair, and Overhaul
The acronym MRO (maintenance, repair and overhaul) has long been part of the aerospace vernacular. But only recently have service providers adopted automated tools to streamline the upfront process of capturing and digitally reconstructing physical parts that require repairs or redesign. The…
Study: Comparison Between Photogrammetry and Laser Radar
At the Harris Corp. (Government Communications Systems Division—GCSD), solid carbon-fiber and aluminum-shaped reflector dishes are manufactured to support military ground, sea, and air communications. These reflectors range in size from 1 to 13 m. To meet performance requirements, the surface…
ISO/IEC 17025: Data Integrity Begins with Employee Integrity
The foundation of any laboratory’s reputation is built on confidence in its ability to provide correct and reliable data. ISO/IEC 17025, subclause 4.1.5 d, requires that your management system “have policies and procedures to avoid involvement in any activities that would diminish confidence in…
Portable Ultrasonic Flow Meters and Their Applications
Clamp-on ultrasonic flow meters are widely used throughout industrial processes in many industries because their noninvasive nature confers inherent advantages over other flow-meter technologies. Material compatibility, contamination, and corrosion risk factors are eliminated. Process integrity is…
Seeing Melanoma
Melanoma is one of the less common types of skin cancer, but it accounts for the majority of skin cancer deaths (about 75%). The five-year survival rate for early-stage melanoma is high (98%), but the rate drops precipitously if the cancer is detected late or there is recurrence. So a great…
3-D Scanning Helps Scientists Find Genetic Markers for Facial Abnormalities
Dirk Dusharme @ Quality Digest
Story update 8/26/2010: We incorrectly stated that Dr. Richard A. Spritz was from the University of Colorado in Boulder. He is actually at the University of Colorado School of Medicine in Denver.   Researchers at the University of Calgary, University of Colorado, and University of San…
Leak Testing 101—Part 2
Jacques Hoffmann
In part one of this series, we considered the pros and cons of pressure-decay testing. In part two, we’ll take a close look at a leak-testing method called “differential pressure decay.” This method is similar to simple pressure-decay testing discussed in part one. ADVERTISEMENT…
Schneider-Electric Takes a Quantum Leap
Bob Cramblitt
Although he’s not one for clichés, Rus Emerick, process improvement specialist at Schneider-Electric, endorses this one: “The whole is greater than the sum of its parts.” This concept, which dates back to Aristotle, is at the core of an approach called functional analysis that has implications…
Integrating 2-D and 3-D Inspection Capability in a Single Sensor
Walter Pastorius
In sawmills, optimization is an in-process procedure that maximizes output of the highest-value board size and quality from the limited and environmentally valuable input of randomly shaped logs. During the optimization process, 3-D profiles of each raw board are analyzed before positioning saws.…
Redesigned Predictive Analytics and Data Mining Course
(The Modeling Agency: Pittsburgh) -- The Modeling Agency (TMA), a data-mining training, consulting, and solutions company, announces a restructuring of its popular “Predictive Analytics & Data Mining” course series. The two-course series offers two distinct orientations with complementary…
Laser Tracker to be Used in 500-Meter Radio Telescope
Dirk Dusharme @ Quality Digest
A dish-style radio telescope is being constructed in China that will allow astronomers to detect galaxies and pulsars at unprecedented distances. Not only will the Five-hundred-meter Aperture Spherical Telescope (FAST) be almost 200 meters larger than the current largest telescope in the world, it…
Optical CMMs: The future of CMMs?
Jay Elepano
For decades we were taught to believe that if you ever wanted to measure anything properly, you needed a coordinate measuring machine (CMM). A couple of decades ago, portable arms were released and although they were novel, nothing could compare to the rigidity and accuracy of three linear scales…
X-Ray Spectroscopy Sheds Light on Leonardo da Vinci’s Faces
X-ray fluorescence spectrometry was done directly on the paintings in the Louvre Museum. Copyright: V.A. Solé/ESRF How did Leonardo da Vinci manage to paint such perfect faces? For the first time a quantitative chemical analysis has been done…
Review of Performance Testing Requirements for Photovoltaic Modules
Regan Arndt
As the push to alternative energy technologies continues, the demand for photovoltaic modules is expected to increase exponentially. This article describes the specific performance tests found in IEC 61215:2005—“Crystalline silicon terrestrial photovoltaic (PV) modules—Design qualification and…
Portable CMM Helps the Creation of Off-Road Dream Machines
Brothers Jürgen and Andreas Hellgeth are entrepreneurs with a passion. Their interests, both business and leisure, center on motor sports and off-road vehicles. Their successful business designing and building off-road vehicles began by creating special vehicles for their own use. A converted…
3-D Scanning Helps Make Faster Bikes
GKS Global Services
A major manufacturer of high-tech bicycles with a worldwide distributorship and many professional endorsements to its name used  3-D laser scanning to maintain its competitive edge. Its mission is to promote bike riding through innovative products, and exceptional care for its dealers and…
Laser Scanners Ensure Safety for a Tricky Excavation
Pierre Gouvin
Moles are invading Seattle. Not the small, furry mammals often reviled for destroying lawns, but the specialized boring machines used to excavate tunnels in urban environments. As part of its long-range capital investment plan, Central Puget Sound Regional Transit Authority, known simply as “Sound…

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