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Traditional drafter at work A drafter in Portugal in the 1970s, using a drafting machine. A drafter (also draughtsman / draughtswoman in British and Commonwealth English, draftsman / draftswoman, drafting technician, or CAD technician in American and Canadian English) is an engineering technician who makes detailed technical drawings or CAD designs for machinery, buildings, electronics ...
The drafter uses several technical drawing tools to draw curves and circles. Primary among these are the compasses , used for drawing arcs and circles, and the French curve , for drawing curves. A spline is a rubber coated articulated metal that can be manually bent to most curves.
The English idiom "to go back to the drawing board", which is a figurative phrase meaning to rethink something altogether, was inspired by the literal act of discovering design errors during production and returning to a drawing board to revise the engineering drawing. Drafting machines are devices that aid manual drafting by combining drawing ...
Two methods of drawing smooth curves in manual drafting are the use of French curves and flat splines (flexible curves). A French curve is a drawing aid with many different smoothly-varying radiused curves on it; the manual drafter can fit the French curve to some known reference points and draw a smooth curved line between them.
Drafting or draughting may refer to: Campdrafting, an Australian equestrian sport; Drafting (aerodynamics), slipstreaming; Drafting (writing), writing something that is likely to be amended; Technical drawing, the act and discipline of composing diagrams that communicates how something functions or is to be constructed. E.g.: Architectural drawing
CAD: computer-aided design, computer-aided drafting; cadmium [plating]: CAGE: Commercial and Government Entity [code]: A CAGE code is a unique identifier to label an entity (that is, a specific government agency or corporation at a specific site) that is a CDA, ODA, or MFR of the part defined by the drawing.
A drafting machine is a tool used in technical drawing, consisting of a pair of scales mounted to form a right angle on an articulated protractor head that allows an angular rotation. [ 1 ] [ 2 ] The protractor head (two scales and protractor mechanism) is able to move freely across the surface of the drawing board , sliding on two guides ...
Mechanical systems drawing is a type of technical drawing that shows information ... About 80,000 jobs are held by mechanical drafters in the United States of America ...