Metrology Article Features

Fred Mason's picture
Fred Mason
Many people know about William Tell shooting the apple on his son’s head. What can this archery event teach us about accuracy and precision? What do these words mean? When are they equal, and...
Fred Mason's picture
Fred Mason
Many people know about William Tell shooting the apple on his son’s head. What can this archery event teach us about accuracy and precision? What do these words mean? When are they equal, and...
Fred Mason's picture
Fred Mason
Measurements add value to the parts you manufacture. That may not be a widely accepted position, because the act of measuring is an additional step in the manufacturing sequence, and every step has a...
Fred Mason's picture
Fred Mason
Measurements add value to the parts you manufacture. That may not be a widely accepted position, because the act of measuring is an additional step in the manufacturing sequence, and every step has a...
William R. Gilman's picture
William R. Gilman
Metrology is the science of measurement. It’s a very broad topic because so much is measured. In manufacturing, the need to verify and validate dimensions of parts is crucial. These dimensional...
Frank Powell's picture
Frank Powell
Machine tool and manufacturing system builders have been producing increasingly intelligent equipment for more than 50 years, and today’s computer numeric controlled (CNC) machines and...
Anonymous's picture
Rich Amon and Michael S. McCue
The need to measure things inspired some of the earliest tools invented by man. Basic measurements were needed for constructing dwellings of an appropriate size and shape, fashioning...
Thomas M. Findlan's picture
Thomas M. Findlan
When purchasing material test equipment for tensile, fatigue or other test modes, managers of test labs may want to compare new and used test equipment due to budget constraints or other...
Anonymous's picture
Laser scanning makes it easy to keep older military equipment running by enabling companies to create spare parts that perfectly duplicate the originals at a reasonable cost. Manufacturers of...
Peter Dickin's picture
Peter Dickin
The use of probes on machine tools to assist in setting up jobs is well established. Recent developments in machining and inspection software mean that this equipment can now be used in a wider range...
Steve Kersen's picture
Steve Kersen
Switching from a coordinate measuring machine (CMM) to a laser scanner has helped the National Aeronautics and Space Administration, Langley Research Center, increase the accuracy of models used to...
Ken Lyons's picture
Ken Lyons
Laser scanning keeps older military equipment running by enabling the creation of spare parts that perfectly duplicate the originals at a reasonable cost. MILPARTS and other companies are taking...
Fluke Corp.'s picture
Fluke Corp.
What is calibration anyway? Many people do a field comparison check of two meters, and call them “calibrated” if they give the same reading. This isn’t calibration. It’s simply a field check. It can...
C. Martin Schuster's picture
C. Martin Schuster
Foam Design Inc. of Lexington, Kentucky, builds a wide range of foam parts, including inserts for headliners used to protect against injuries in the event of a collision. Inspecting these components...
Quality Digest's picture
Quality Digest
By adding a laser probe to a coordinate measuring machine (CMM), Sonaca, a large Belgian aerospace-structures supplier, has greatly increased the completeness of its inspections, obtaining full...
Anonymous's picture
Pressure decay has been the most widely used method of leak testing in manufacturing production lines for decades. The process is uncomplicated, inexpensive and easily automated. Air is simply...
Bill Chambers's picture
Bill Chambers
So you have a great product, and there’s a great demand for it. You’ve addressed how to quickly produce it, and now you need to ensure the quality—fast. You can’t afford...
Claes Nylander's picture
Claes Nylander
Leak testing is an essential element in product quality testing for a wide range of industries. From the automotive industry to heating, ventilation and air conditioning manufacturing, countless...
Rick Hudgell's picture
Rick Hudgell
As industry standards increase, so too does the demand for flexibility in specialized gaging procedures. Because there’s no room for error, choosing the right contact point or styli is...
Anonymous's picture
Michael Metzger and Jim O'Brien
Many customers come to Hobson & Motzer seeking a solution for what others have claimed is impossible. Established in 1912 and based in Durham, Connecticut, Hobson & Motzer engineers...