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The basic drafting procedure is to place a piece of paper (or other material) on a smooth surface with right-angle corners and straight sides—typically a drawing board. A sliding straightedge known as a T-square is then placed on one of the sides, allowing it to be slid across the side of the table, and over the surface of the paper.
Drafting tape is slightly more water-resistant to help with masking for paint. While the obvious use of drafting tape is for drawing, drafting tape, like masking tape, can also be used for labeling and hanging posters. Its white or cream coloring goes well with many other colors, and it can be written on easily with any felt-tipped marker.
Material is generally annealed between each drawing pass to increase its ductility and remove internal stresses produced during the cold working. Annealing : This is a thermal treatment generally used to soften the material being drawn; to modify the microstructure, the mechanical properties, and the machining characteristics of the steel; and ...
The [main] field of the drawing, as opposed to other areas of it, such as the parts list , general notes (G/N), flagnotes , title block , rev block , bill of materials (B/M or BoM or BOM), or list of materials . Rationales for drawing changes that are noted in the rev block often use these abbreviations for brevity (e.g., "DIM 14.00 was 12.50 ...
An engineering drawing is a type of technical drawing that is used to convey information about an object. A common use is to specify the geometry necessary for the construction of a component and is called a detail drawing. Usually, a number of drawings are necessary to completely specify even a simple component.
While the Rapidograph style of pen is still widely used by artists, the use of computer-aided design has largely replaced the need for manual drafting. Also, the development of felt-tip, ink-based pens has provided cheaper, lower-maintenance disposable tools that sell much better than traditional technical pens.
Its major benefits were considerable strength, especially in erasing and redrawing, durability in handling, and translucency for making multiple reprographic prints. Manufactured as an undyed muslin woven fabric, typically using cotton or linen fiber, the textile was highly starched and then calendered to create a smooth surface for precise ink ...
Rulers used in technical drawing are usually made of polystyrene. It is used for drawing lines and connecting points. Rulers come in two types according to the design of their edge. A ruler with a straight edge can be used with lead pencils and felt pens, whereas when a technical pen is used the edge must be grooved to prevent the spread of the ...