All Features
(Mahr Federal: Providence, Rhode Island) -- Tapers play an important role in orthopaedic devices. Most hip and knee implants use tapers because they provide good alignment and can be "locked" into position. In manufacturing these devices, the control of taper and size determines how well an…
Walter Pastorius
Assemblers of large objects, such as automotive bodies, have strongly recognized the need to continually improve processes to enhance dimensional integrity of assemblies, maximize customer aesthetic perception, and optimize product performance.
Implementing laser sensors for dimensional…
SURVICE Metrology was recently awarded a U.S. government research grant to improve upon the current methods used to measure and repair damage to composite materials associated with next-generation aircraft. The problem is that current ways of measuring and repairing damage (as a result of…
CMSC
Technology is changing the face of aerospace manufacturing and quality assurance. No place is that change more welcome and dramatic than at Vought Aircraft Industries Inc. in Hawthorne, California.
According to Paul Evans, quality assurance lead, changes in processes and systems at his…
Robert Clem
Hello readers, and welcome to the latest issue of CMSC World, which is packed with the latest news and features in the metrology arena.
Registration for CMSC 2009 in Louisville, Kentucky, is now open! As most of you know, this year is an historical landmark for the CMSC. In two months, the…
John W. Stoneback
Is your toolholder showing wear in the areas indicated on the toolholder shown?
We’ve been asking this question for some time now, and we know the answer. Normally, close inspection of the tapered area will show a difference in finish at the threaded area a
Toolholder…
Mark Albert
Many shops have implemented computerized systems to gather data for production reporting, quality control, statistical process control (SPC), and tool management. Stephen Birman, president of High Tech Research Inc. of Deerfield, Illinois, believes one knowledge-based system that integrates all of…
Philip Colet
P
roduct information and label code verification are important parts of the packaging and quality control process for manufacturers and consumers in the food and beverage industry. Machine vision is increasingly being used to help improve the accuracy of the inspection process in these…
The Infrared GPS system (iGPS) from Metris Inc. can be used to locate and track any point in a rugged indoor environment precisely and accurately. It was used by the Systems, Controls, and Components Research division at Caterpillar Inc., to calibrate the various sensors on a 420 E-series backhoe…
Robert Clem
Hello readers! 2009 brings CMSC into its 25th year. CMSC has grown from a small gathering of users and developers who had a common problem to solve—the standardization of theodolite targets. Today, CMSC has morphed from a conference-based organization into a society whose focus is on the promotion…
Olkiluoto, the world’s largest and most modern nuclear power station, with an output of 1.600 Mwatts, relies on German technology. During the final assembly of turbine manufacturing at Siemens, blades are installed to the rotor and measured in the housing. This is a balancing act between optimal…
Daniel M. Smith
Why would anyone start a new metrology business in this economic climate? Why would they do it in Michigan, the epicenter of the automotive industry recession? The short answer is that if you can identify a clear need in the marketplace for your product and have the ability and expertise to bring…
Belinda Jones
As energy prices continue to soar and the public—with increased awareness and concern for the environment—continue to demand environmental accountability from manufacturers, companies are looking long and hard at ways to decrease their influence on the environment. But there are competing goals.…
Frank Gray
In sports, it's always the fundamentals that your coaches emphasize, like the techniques that you first learn when you’re starting to play baseball—how to hold the ball properly, how to stand and hold a bat, or how to field a grounder. The basics about the sport, if performed perfectly, yield a…
Robert Clem
Greetings from your new Chairperson! It’s my pleasure to lead the Coordinate Metrology Society (CMS) into a new year. 2009 is an exciting time for CMS, as this year marks the 25th anniversary of our annual conference, the Coordinate Metrology Society Conference, better known as CMSC. This…
In just the past two years, the functionality of portable computer-aided metrology system (CAMS) in harsh factory environments has improved a great deal. A few examples of today’s improved instrumentation/measurement technology are laser trackers, digital photogrammetry systems, laser radars,…
CMSC
As the world leader in armored prestige vehicles, CARAT-Duchatelet counts sheiks, kings, presidents, CEOs, and other wealthy VIPs among its customers. Before stretching and armoring luxury vehicles, CARAT-Duchatelet engineers remove seats and trim, and scan the entire vehicle body using Metris K-…
George Rodrigues
Pharmaceutical processes typically take place on the scale of gallons or liters, even tens of thousands of liters. So why would anyone worry about one little microliter? Because in some situations, deviations as small as one microliter can mean the difference between success and failure.
Modern…
CMSC
The Spallation Neutron Source (SNS), a $1.4 billion research facility at Oak Ridge National Laboratory (ORNL), is a feat of precision engineering, execution, and control. Each component of the SNS machine requires exactness in location and assembly only achieved through the use of laser tracking…
In 2007, all three Richard Childress Racing (RCR) teams qualified for the Chase for NASCAR’s Nextel Cup. On top of this formidable accomplishment, RCR’s top race car drivers did great: Kevin Harvick won the famous Daytona 500, Jeff Burton won in Texas, and Clint Bowyer won in New Hampshire and…
CMSC
The 24th Coordinate Metrology Systems Conference convened at the Embassy Suites in Concord, North Carolina, from July 21-25, 2008. With a record number of attendees, this year’s conference offered a multifaceted program consisting of a sold-out exhibition hall with 54 exhibitors, a workshop,…
Fred Mason
There’s an amazing amount of information available about what uncertainty is and how to specify it. If I understood it completely, I would become a consultant and stop writing this column. In spite of that, this column may shed some light on this increasingly popular, and misunderstood, topic.…
M. Scott Tillison
As the skilled, baby-boomer workforce nears retirement, years of technical expertise is exiting as well. Factories are watching years of knowledge leave their organizations, and how to replace these skilled workers has manufacturers concerned.
In a 2008 survey of 100 senior manufacturing…
Fred Mason
When thinking about measurement devices and systems, the subject of accuracy comes up. Accuracy has been discussed in past columns of “Measurement Matters.” In the context of measurement system specifications, there’s more concern about the uncertainty of measurement, not its accuracy. So, what is…
Fred Mason
When thinking about measurement devices and systems, the subject of accuracy comes up. Accuracy has been discussed in past columns of “Measurement Matters.” In the context of measurement system specifications, there’s more concern about the uncertainty of measurement, not its accuracy. So, what is…
