Vocabulary. Cavalier oblique: An oblique drawing in which the depth axis lines are drawn at full scale (full size).

Transcription

1 Vocabulary Cavalier oblique: An oblique drawing in which the depth axis lines are drawn at full scale (full size).

2 Vocabulary Centerlines: Thin lines made up of long and short dashes with spaces in between, used to indicate centers of symmetrical objects.

3 Vocabulary Chain dimensioning: Placing several dimensions in a straight line along an object to describe successive features.

4 Vocabulary Chamfer: An angled cut made to remove the "corner" of two perpendicular surfaces.

5 Vocabulary Circumference: The perimeter of a circle.

6 Vocabulary Circumscribe: To draw one geometric figure around another figure.

7 Vocabulary Clearance: The distance by which one part clears another part.

8 Vocabulary Compass: A drafting instrument used to draw circles and arcs.

9 Vocabulary Concave surface: A curved depression in the surface of an object.

10 Vocabulary Concentric: Having a common center.

11 Vocabulary Conical: Having a shape with a circular base and sides converging to a single point.

12 Vocabulary Construction lines: Very light lines used as guides for positioning objects on drawings.

13 Vocabulary Conventional: Not original; customary, or traditional.

14 Vocabulary Clockwise: From left to right in a circular motion. The direction clock hands move.

15 Vocabulary Coordinates: The positions or locations of points on the X, Y, and Z planes.

16 Vocabulary Core: A body of sand or other material that is formed to a desired shape and placed in a mold to produce a cavity or opening in a casting.

17 Vocabulary Counterbore: A deep recess at the end of a smaller hole used to provide a bearing surface for the head of a bolt or nut.

18 Vocabulary Counterclockwise: From right to left in a circular motion.

19 Vocabulary Countersink: A chamfered recess at the end of a smaller hole used to receive the head of a fastener.

20 Vocabulary Cutting-plane lines: Heavy, dashed lines used to show sectional views.

21 Vocabulary Cylinder: A geometric figure with a uniform circular cross-section through its entire length.

22 Vocabulary Datum: An exact point, axis, plane, or surface from which features of a part are located.

23 Vocabulary Design: A plan for the simple and direct solution to a technical problem.

24 Vocabulary Detail drawing: A type of working drawing that includes one or more views of a product, with dimensions and other pertinent information required to make the part.

25 Vocabulary Detailed representation: A screw thread representation in which the threads are drawn to look like the actual threads.

26 Vocabulary Diagonal: A line connecting the opposite corners of a figure.

27 Vocabulary Diameter: The distance from one side of a circle to the other, running directly through the circle's center.

28 Vocabulary Diazo process: A reproduction method for making direct positive prints consisting of dark lines on a white background.

29 Vocabulary Die: A tool used to cut external threads. Also, a tool used to shape materials.

30 Vocabulary Die casting: A method of casting metal under pressure by injecting it into the metal dies of a die casting machine.

31 Vocabulary Digitizing tablet: A CAD input device on which a puck is maneuvered to select commands and position the on-screen cursor.

32 Vocabulary Dimension lines: Thin lines normally drawn between two extension lines, with arrows or ticks at the ends and a dimension at the center.

33 Vocabulary Dimensions: Lettering or text on a drawing defining object sizes and locations.

34 Vocabulary Dividers: A drafting instrument used to divide and transfer measurements.

35 Vocabulary Drafter: A designer who uses manual or CAD methods to make working drawings and detail drawings.

36 Vocabulary Drafting film: Translucent drafting paper made from acetate, mylar, or polyester, used for work requiring great print stability.

37 Vocabulary Drafting machine: A device that combines the functions of the T-square and triangles, used to draw straight and inclined lines.

38 Vocabulary Drafting media: Materials used for creating drawings, such as paper, tracing vellum, and drafting film.

39 Vocabulary Drawing board: A smooth, flat surface on which drafters create drawings. A vinyl cover is commonly used to protect the surface.

40 Vocabulary Drawing ink: A dense, black, waterproof ink used for inking drawings.

41 Vocabulary Drilling: Cutting round holes by use of a cutting tool called a drill.

42 ABBREVIATIONS YD - YARD

43 ABBREVIATIONS WI WROUGHT IRON

44 ABBREVIATIONS WDF - WOODRUFF

45 ABBREVIATIONS W - WATT

46 ABBREVIATIONS WASH. - WAHSER