snap gage

snap gage

[′snap ‚gāj]
(design engineering)
A device with two flat, parallel surfaces spaced to control one limit of tolerance of an outside diameter or a length.
References in periodicals archive ?
The SSG series of snap gages is available in 1" increments from 0 to 1" through 23" to 24".
When a film is measured by a common snap gage, the force of the gage on the film distorts the sample, preventing accurate measurements.
Standard Gage bore gages and snap gages have been the industry standard for many years, in the opinion of Dorsey CEO Ted Luty, who notes those core products have been made in that town since 1925.
The machine reduces the time and cost of calibration and inspection of plug, ring, thread, and snap gages, indicators, and micrometers, as well as precision parts.
Major diameter: This can be checked by outside micrometers, go/nogo plain ring gages, or snap gages, as well as the Thread Trend System fitted with plain rolls.
Through a series of air and mechanical snap gages, dimensional data relative to the flange is measured for d2, d3 gage line diameters, "V" groove location, the depth of the ejection surface, and the location of the L6 clamping angle.
Among the many variations of dial indicators: long-range indicators for measuring table movement or slide travel, dial calipers for quick ID comparisons, pocket thickness gages for quick checks of materials, dial snap gages for ODs up to 12", dial bore gages for three-point contact go/no-go measurements, and back plungers where the mounting stem is on the back for mounting on holding fixtures.
Statistical analysis for SPC can be based on simple inputs from electronic snap gages, height gages, or any other source, as long as measurements are taken quickly when the parts come off the machine tool.