Technical Articles

Mahr Inc. has published these technical articles:

(Calibration Instruments, Standards and Reference Sources)
From this Article:
Over the years, the tooling for air gaging has remained basically the same: steel tubes or rings with precision orifices that set up a pressure/distance curve when in use. As the orifice is... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
Conventional air gaging for measuring inside diameters is typically limited to a minimum size of about 0.060"/1.52mm: below that, it becomes difficult to machine air passages in the plug tooling, and... (View Full Article)
(Calibration and Testing Services)
From this Article:
Calipers are extremely versatile tools for making a wide range of distance measurements, including both outside diameters (OD) and inside diameters (ID). While micrometers are more accurate, they have... (View Full Article)
(Inspection Tools and Instruments)
From this Article:
When digital electronic indicators were first introduced in the early 1980s, observers expected them to blow mechanical dial indicators out of the water. But despite the clear superiority of... (View Full Article)
(Inspection Tools and Instruments)
From this Article:
With the implementation of touch screen operation, canned measurement routines and automatic ranging, form measuring machines have become nearly foolproof and have successfully migrated from the lab... (View Full Article)
(Calibration and Testing Services)
From this Article:
Recently an American-based German manufacturer was awarded a contract to produce some parts for a Japanese company. According to the contract, critical surface areas of the parts were to meet... (View Full Article)
(Calibration Instruments, Standards and Reference Sources)
From this Article:
Many columns in these pages have talked about the importance of surface finish, and the equipment used to provide an indication that the end results of a machining operation are meeting target specs.... (View Full Article)