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A list, usually tabular and often on the drawing (if not accompanying the drawing on a separate sheet), listing the parts needed in an assembly, including subparts, standard parts, and hardware. There is no consistently enforced distinction between an L/M, a BoM, or a P/L. PLM: product lifecycle management; plant lifecycle management: See also ...
A reference dimension is a dimension on an engineering drawing provided for information only. [1] Reference dimensions are provided for a variety of reasons and are often an accumulation of other dimensions that are defined elsewhere [2] (e.g. on the drawing or other related documentation). These dimensions may also be used for convenience to ...
The diameter symbol is used extensively in engineering drawings, and it is also seen in situations where abbreviating "diameter" is useful, such as on camera lenses. For example, a lens with a diameter of 82 millimeters would be engraved with " ⌀ 82 mm ".
Almost all engineering drawings (except perhaps reference-only views or initial sketches) ... called the diameter symbol, ... Sheet number and number of sheets (for ...
Sign ⌀ in a technical drawing A photographic filter marked as having a 58mm thread diameter. The symbol or variable for diameter, ⌀, is sometimes used in technical drawings or specifications as a prefix or suffix for a number (e.g. "⌀ 55 mm"), indicating that it represents diameter. [3] Photographic filter thread sizes are often denoted ...
The outside diameter of a gear is the diameter of the addendum (tip) circle. In a bevel gear it is the diameter of the crown circle. In a throated worm gear it is the maximum diameter of the blank. The term applies to external gears, this is can also be known from major diameter. [1]
Drawing area and reference dimensions specified by ISO 5457:1999(en). Title block specified by ISO 7200:2004(en). ... ISO 10628-2:2012 Symbols Sheet 3. Items ...
ISO 128-22:1999 Technical drawings — General principles of presentation — Part 22: Basic conventions and applications for leader lines and reference lines ISO 128-23:1999 Technical drawings — General principles of presentation — Part 23: Lines on construction drawings