air gage

air gage

[′er ‚gāj]
(engineering)
A device that measures air pressure.
A device that compares the shape of a machined surface to that of a reference surface by measuring the rate of passage of air between the surfaces.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Barrels were selected with an air gage. This device consisted of a rod that is inserted down the bore with a caliber-specific spud on the end that was pulled through the barrel from breech to muzzle.
Technicians found that a toolholder, when checked with an air gage, indicated one AT3 grind limit out of tolerance.
In the investigations, several sets of the nozzles were manufactured ensuring the sensitivity of the air gage in the range from 1.3 down to 0.4 kPa/[micro]m.
Air Gage, a worldwide supplier of inspection gauging systems and accessories for automotive and non-automotive part inspection systems, is currently upgrading to Autodesk Inventor 11, continuing its support of a 3D design environment.
It eliminates measurement uncertainties caused by an undersized or worn gage probe, which can occur with a hone-head air gage.
Feedback from air gage provides the highest possible accuracy for tool feed control.
For go/no-go applications, the air gage is usually calibrated with both masters or setting gages set for both tolerances.
The Micro-Dimensionair portable air gage uses a Micro-Maxum digital indicator.
The new product is also compatible with a wider range of air gage tooling than the Digital Dimensionair, which it replaces.
Part size is determined based on the amount of air that escapes between the comparator, or the air gage itself, and the part.
Air Gage Co, Livonia, MI, calls it Computer-Aided Gaging (CAG).
Hyatt explains that while air gages have long been used for ID and OD measurements, there are a number of limitations to that approach, particularly when sub micron measures are to be made.