Term
| American National Standards Institute(ANSI) |
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Definition
| A set of drafting standards which are recommended for drawing practice. |
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Term
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Definition
| A point, line, plane, or other geometric surface from which dimentions are measured when so specified or to which geometric tolerances are referenced. |
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Definition
| A feature of a part, such as the edge or a surface, which forms the basis for a datum or is used to establish its location. |
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Term
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Definition
| A geometric characteristic, of which the size is specified, such as diameter, length, angle, location, or center distance. |
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Term
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Definition
| A box found on engineering drawings, that is divided into compartments containing the geometric characteristic symbol followed by the tolerance. |
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Term
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Definition
| The maximum permissible variation of form, profile, orientation, location, and runout from that indicated or specified on the drawing. |
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Term
| Least Material Condition (LMC) |
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Definition
| Refers to the size of a feature which results in the part containing the minimum amount of material. |
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Term
| Maximum Material Condition (MMC) |
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Definition
| When a feature or part is at the limit of size which results in it containing the maximum amount of material. |
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Definition
| This represents the width or diameter of the tolerance zone, within which the point, line, or surface of the feature shall lie. |
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Term
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Definition
| Refers to the overall envelope of perfect form within which the feature would just fit. |
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