Transcription of Drafting Symbols - G-W Learning
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Drafting Symbols - G-W Learning
Drafting Symbols 1 Copyright Goodheart-Willcox Co., not be reproduced or posted to a publicly accessible and Its Applications AdvancedReference MaterialDrafting SymbolsSymbols provide a common language for drafters all over the world. However, Symbols can be meaningful only if they are created according to the relevant standards or conventions. This document describes and illustrates common dimensioning, GD&T, architectural, piping, and electrical Dimensioning SymbolsStandard Dimensioning SymbolsThe size of dimensioning Symbols varies with text size, but it should be consistent with the height of the text. In the following illustration, h = text = letter heightStatisticalToleranceSquareShapeRef erenceCounterboreCountersinkDepth(or Deep)DimensionOriginRadiusSphericalRadiu sSphericalDiameterControlledRadiusPlaces or ByStandard Dimensioning h2 h2 hhhhhhhhh90 60 30 30 h215 hSlope Drafting Symbols 2 Copyright Goodheart-Willcox Co.
Magnetic Core Shielded Transformer, Magnetic Core Auto-Transformer, Adjustable Circuit Breaker Twin Triode Using Elongated Envelope Voltage Regulator, also, Glow Lamp Phototube Inductor, Winding, Reactor, General Magnetic Core Inductor Adjustable Inductor Ballast Lamp Fluorescent, 2-Terminal Lamp Incandescent Lamp Ground Chassis Ground ...
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