gauge tolerances

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• Gauge blocks — (also known as gage blocks, Johansson gauges, slip gauges, or Jo blocks) are precision ground and lapped measuring standards. They are used as references for the setting of measuring equipment such as micrometers, sine bars, dial indicators (when …   Wikipedia

• P4 gauge — P4 Scale per foot: 4mm to 1ft Scale ratio: 1:76.2 Gauge: 18.83 mm (0.741 in) Prototype Gauge: Standard gauge P4 or …   Wikipedia

• Loading gauge — The clearance between train and tunnel is often small. London Underground train at Hendon. A loading gauge defines the maximum height and width for railway vehicles and their loads to ensure safe passage through bridges, tunnels and other… …   Wikipedia

• OO gauge — 00 gauge redirects here. For the wire gauge, see American wire gauge. OO U.K. prototype model of a 00 scale (1:76) British Rail Class 25 shown with an 18mm Five Pence coin for scale Scale per foot: 4 mm to 1ft …   Wikipedia

• Russian gauge — In railway terminology, Russian gauge refers to railway track with a gauge between 1519 mm and 1525 mm [http://www.parovoz.com/spravka/gauges en.php Paravoz] , retrieved 2008 07 20.] . In a narrow sense as defined by Russian Railways it refers to …   Wikipedia

• Go-NoGo gauge — A Go NoGo gauge (or Go/no go) refers to an inspection tool used to check a workpiece against its allowed tolerances. Its name derives from its use: the gauge itself has two tests; the check involves the workpiece s having to pass one test ( Go )… …   Wikipedia

• Ring gauge — A Ring gage or Ring gauge is a cylindrical ring of steel whose inside diameter is finished to gage tolerance and is used for checking the external diameter of a cylindrical object. Ring gages are used for comparative gaging as well as for… …   Wikipedia

• Sheet metal — Sheets of stainless steel cover the Chrysler Building …   Wikipedia

• Forging — This article is about the metalworking process. For specific hot forging hearth, see forge. For the act of counterfeiting, see forgery. Hot metal ingot being loaded into a hammer forge Forging is a manufacturing process involving the shaping of… …   Wikipedia

• Engineering tolerance — is the permissible limit or limits of variation in a physical dimension, a measured value or physical property of a material, manufactured object, system, or service, other measured values (such as temperature, humidity, etc.). in engineering and …   Wikipedia

• Laser cutting — process on a sheet of steel. CAD (top) and stainless steel laser cut part (bottom) Laser cutting is a technology that uses a laser to cut materials, an …   Wikipedia