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- Q7547270 subject Q21168617.
- Q7547270 subject Q8622193.
- Q7547270 abstract "A snap gage is a form of Go/no go gauge. It is a limit gage with permanently or temporarily fixed measurement aperture(s) (gaps) which is used to quickly verify whether an outside dimension of a part matches a preset dimension or falls within predefined tolerances. The surfaces which define the edges of the aperture are the anvils, which may be made of separate pieces of hard material such as tungsten carbide for wear resistance. Two apertures are frequently used to provide Go/No-Go testing and are often arranged such that a part being measured can pass through the two apertures in sequence; a part that is within tolerance will pass through the first maximum size limit aperture but will not be able to pass through the minimum size limit aperture. A snap gauge usually has a "C" shaped frame with the aperture(s) at the opening of the "C". Snap gages may be machined and ground out of a single block of metal or adjustable snap gages, which have movable anvils that may be adjusted over a limited range of sizes, may be used. They may also be of built up construction in which one or more gage blocks or feeler gauges are sandwiched between two anvils. Adjustable snap gages may be reset to compensate for wear or re-tasked for measuring a different dimension and can be purchased off the shelf and set rather than needing to be fabricated from scratch when a new gage is needed. Gauge blocks would typically be used to initially set the width of the measuring aperture(s).A variation is the snap indicator gage, which incorporates a dial indicator or electronic digital indicator as one of the anvils. This indicator displays the deviation from the preset dimension and the indicator may have high and low tolerance limits marked by means of two extra needles, alteration of the dial face, or programming into an electronic indicator. Another variation adds, in addition to the dial or electronic indicator, a micrometer adjustment on the anvil opposite the indicator anvil. This may be referred to as a snap gage or an indicating micrometer and may be quickly preset for short runs of parts.Snap gages facilitate making interchangeable parts. Snap gages have been in existence and referred to by that name since at least 1898. In a manufacturing plant, snap gages would normally be re-calibrated at scheduled intervals. Often, snap gages will be calibrated by skilled workers and used by semi-skilled workers; the snap gage is faster than a micrometer and requires less skill to use correctly.Some vendors who resell a different measuring instrument, bore gauge, muddy the waters by referring to them as snap gages, unlike the manufacturer who uses the correct nomenclature. Unlike a snap gage, these measure inside (bore) dimensions, not outside dimensions, and are usually reset for each part measured.".
- Q7547270 thumbnail Snap_gages.jpg?width=300.
- Q7547270 wikiPageWikiLink Q1143184.
- Q7547270 wikiPageWikiLink Q12458.
- Q7547270 wikiPageWikiLink Q127105.
- Q7547270 wikiPageWikiLink Q1340688.
- Q7547270 wikiPageWikiLink Q21168617.
- Q7547270 wikiPageWikiLink Q256690.
- Q7547270 wikiPageWikiLink Q423265.
- Q7547270 wikiPageWikiLink Q7220580.
- Q7547270 wikiPageWikiLink Q8622193.
- Q7547270 wikiPageWikiLink Q871913.
- Q7547270 wikiPageWikiLink Q914462.
- Q7547270 comment "A snap gage is a form of Go/no go gauge. It is a limit gage with permanently or temporarily fixed measurement aperture(s) (gaps) which is used to quickly verify whether an outside dimension of a part matches a preset dimension or falls within predefined tolerances. The surfaces which define the edges of the aperture are the anvils, which may be made of separate pieces of hard material such as tungsten carbide for wear resistance.".
- Q7547270 label "Snap gage".
- Q7547270 depiction Snap_gages.jpg.