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IED
Engineering
57
Engineering
9th Grade
12/18/2008

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Term
Angle
Definition
The amount of rotation needed to bring one line or plane into coincidence with another, generally measured in degrees.
Term
Axis
Definition
An imaginary line through a body about which it rotates. 2. An imaginary line about which a regular figure is symmetrically arranged. 3. A fixed reference line for the measurement of coordinates.
Term
Cartesian Coordinate System
Definition
A coordinate system made by three planes, X, Y, and Z
Term
Chamfer
Definition
Small angled surface between two surfaces
Term
Circumscribe
Definition
A shape that is drawn outside a triangle and touches all edges of it.
Term
Computer Aided Design
Definition
Using the help of the computer to design a part.
Term
Countersink
Definition
hole to receive a tapered screw
Term
Counterbore
Definition
hole to receive a bolt or nut
Term
Cylinder
Definition
Two circles connected by lines going from each other
Term
Ellipse
Definition
A oval
Term
Extrusion
Definition
A process that forces metal through a shaped opening.
Term
Origin
Definition
fixed point from which coordinates are measured
Term
Pattern
Definition
a repeated design
Term
Plane
Definition
flat surface that goes on forever in all directions but has no depth
Term
Prism
Definition
a figure where two ends are similar
Term
Regular Polygon
Definition
polygon with equal angles and equal sides
Term
Revolution
Definition
creating a 3d solid by revolving it around an axis
Term
rotation
Definition
turning around a point or axis
Term
round
Definition
rounded exterior between two surfaces
Term
solid
Definition
three-dimensional figure or solid
Term
solid modeling
Definition
type of Cad design that represents volume of object.
Term
space
Definition
free area or unoccupied area
Term
tap
Definition
cutting internal threads
Term
taper
Definition
gradual shrinking of width or thickness of object
Term
vertex
Definition
each angle point of polygon
Term
Assembly
Definition
putting parts together
Term
Assembly drawing
Definition
drawing that shows various parts when assembled
Term
Balloons
Definition
circled number that identifies what part it is
Term
blind hole
Definition
hole that doesn't go all the way through the piece
Term
break line
Definition
line that interrupts a drawing
Term
Broken out section
Definition
A section of an object broken away to reveal interior
Term
clearance fit
Definition
gap between two parts
Term
component
Definition
smaller part of larger part
Term
constraint
Definition
a limit
Term
cutting plane line
Definition
line drawn on a view where a cut was made
Term
degree of freedom
Definition
variables in which an object can move
Term
Detail Drawing
Definition
A dimensioned drawing or a working drawing
Term
exploded assembly
Definition
assembly drawing where parts are moving
Term
fillet
Definition
rounded blend between two surfaces
Term
foreshorten
Definition
lines that are shorter than their true size
Term
Formula
Definition
mathematical expression
Term
Interference
Definition
amount of overlap with one piece to another
Term
key
Definition
rectangular shape that prevents parts from turning
Term
keyseat
Definition
slot in a shaft to receive a key
Term
keyway
Definition
slot in a hub that receives a key
Term
parts list
Definition
lists all the parts
Term
rib
Definition
brace or support
Term
scale
Definition
ruler
Term
round
Definition
rounded exterior blend
Term
rotation
Definition
turning around an axis
Term
sectional views
Definition
drawing that shows interior of design
Term
section lines
Definition
lines that are used to represent the material
Term
spotface
Definition
hole like counterbore
Term
subassembly
Definition
assembled part that is part of a larger assembly
Term
translation
Definition
motion in which all particles of a body move with same velocity along parallel parts
Term
working drawings
Definition
drawings that convey all the information needed to manufacture and assemble a design
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