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147 Cards in this Set
- Front
- Back
measurement
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process of determining size, amount, or extent of somethin
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customary system
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length-inches
weight-pound volume-quart temperature-fahrenheit |
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ounces
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8 _____________= 1 cup
2 cups=1 pint (16 ___________) 2 pints= 1 quart (32 _________) 4 quarts= 1 gallon (128 _______) |
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fahrenheit
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freezing point of water: 32 degrees
boiling point of water: 212 180 degrees between boiling and freezing and boiling points |
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metric prefixes
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"There is a logical progression from smaller units to larger ones, since all sizes of unite are based on ten."
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base units
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length= meter
weight= gram volume= liter or meter temperature= degrees celcius |
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x1000
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kilo
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x100
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hecta
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x10
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decka
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x.1
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deci
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x.01
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centi
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x.001
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milli
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mnemoic device to remember prefixes
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King Henry Drank My Diet Coke Monday
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celcius
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freezing point of water: 0 degrees
boiling point of water: 100 degrees 100 degrees b/w boiling and freezing points |
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rules and scales
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measure length, width, and thickness
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rules and scales
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mechanical rule and scale
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rules and scales
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drafter, archeitect, and machinist's rule/scale
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rules and scales
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metric rule
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calipers
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measure diameters and length on either inside or outside of object
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micrometer
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very precise tools for measuring length, thickness, or diameter of small objects
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squares
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measure or lay out perpendicular lines
t-square, framing square, try square, center square, combination square |
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protractors
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measure length and angle measures along straing edge
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weight scales
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measure weight or mass; sensitive scientific scales; analog or digital; maual or electronic
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calibrated containers
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measure volume; measure ingredients for recipes; measuring spoons, measuring cups; beakers; Earlimyer flasks, etc
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close
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many production settings don't require close measurements; length of house, width of playing field don't need to be correct
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fraction; inch
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if product is within a _______ of an _____, it'll work fine
this is when customary is used most |
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very important
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material being measure is _____ ________. (ex. wood changes in size with changes in moisture content and humidity)
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1/32 inch; one mm
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measuring closer than _____ _______ or ___ _______ aren't useful measurements. wood can change more than that in 1 day
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customary
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common in cabinent and furniture and printing companies
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printing industry's own system
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based on pica (1/6 inch) and pom (1/72 inch)
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precision
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used for smaller, more precise things; eatch parts and engine pistons would be useless if varied by more than 1/32 inch
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direct reading meausrement tools
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three common uses- linear dimensions, diameters, and angles
can be measured using standard precision devises |
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linear measurement
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ruler
most common divisions are 1/10 inch metric rule divided into mm flexible rules are often called tape rules |
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diameters
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precise ______ can be measured by placing a part between anvil and spindle of micrometer and reading measurement on barrel
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angles
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legs of table are perpendicular
squares used to mark ________ head placed against surface of material; blade allowed to rest on adjacent surface; to be square, no gaps anywhere |
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indirect reading measuring tools; quality control
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many modern measuring systems, humans no longer take measuremts; sensors gather measurement data, processed by computers or other automatic devices
measurement can be used to compare the present condition with a desired contition; process of setting stards measuring features, comparing them to standars, and corrective actions is called |
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tools
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describes distance, mass, time, temperature, number of particles, electrical current, and light intensity
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drafting
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process of accurately representing 3-d objects and structures on 2-d surface. this accurate drawing proceeess is used for nearly every productor sturcture made today
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rough sketches
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are the most common recording method. the term "rough" describes the state of the design ideas. It suggests that the designes are incomlete and unrefined
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skteching
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way of drawing out ideas
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refined sketches
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refined design ideas. They may not look anything like the irginal rough sketeches. communicate shape and proportion. can come from 2 or more sketchs. Don not communicate size
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detailed sketches
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communicate size, in addition to the shape and proportion communicated in the first two drawings. It also communicates the information needed to build a model of the product or structure
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different techniques
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____________ ______________ are used to show the artifact as the human eye would see it. Therefore, a single view is used to show how the front, sides, and top would appear
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oblique sketchs
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easiest pictorial sketches to produce; show front view as if you were looking straght at it; sides extend back from the front view
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oblique sketchs
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sides shown with parallel lines that are generally drawn at 45 degrees to show the front view
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cavalier oblique drawings
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cause the sides and top to look deeper than they are. actual
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cabinent oblique drawings
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shorten the lines that project back from the front ot one-half their original length
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isometric
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equal measure
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angles
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formed by the lines at the upper right corner are equat to 120 degrees
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object
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is shown as if viewed from one corner (isometric)
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perspective sketchs
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most realistic, yet, most difficult of the three sketchs
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perspective sketches
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show how the human eye and camera would see it
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perspective sketches
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realism is obtained by having parallel lines meet at a distance vantage point
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types of perspective views
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one point, two point, and three point
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one point persepective
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shows an object as if you were directly in front of it. horizon line
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two point perspective
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shows how an object would appear if you stood at one corner
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three point perspective
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shows how the eye sees the length, width, and height of an object
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multi view method
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places one or more views of the object in one drawing
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multi view method
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in this method, generally a top right and end view are shown
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multi view drawings
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use orthographic projection to project information at the right anglesw to new views
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detail drawings
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front view is drawn in the lower left quadrant of the paper
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projection lines
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extended to the top and right of a front view to form the top and side views
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different lines
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used to show the outlines and major details on an object
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object lines
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darkest lines which show the outlines and major details
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hidden lines
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dotted lines used to show outlines which are not visible in a certain view
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extension lines
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used in dimensioning, indicate the points from which the measurements are taken
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center lines
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locate holes in a part. these lines pass through the center of the hole
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dimension lines
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have arrows apointing to the extension lines that indicate the range of the dimension. between the extension lines
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orthographic projection
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top and side views are projected up to the right of the front view
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Computer Aided Design (CAD)
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refers to process using computer and software to assist drafter in preparing mechanical or architectual drawings
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Computer Aided Design and Drafting (CADD)
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closely related to CAD. extra functions that simulate testing products, increase quality of work
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Advatages of CAD
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speed
quality ease of modification cost |
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speed
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more drawings in time
lines are tidious CAD- set endpoints and CAD does rest |
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quality
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improved line quality, neatness, legibility, and accuracy
hard to achieve consistinent line quality no smudging or smearing computer is standard |
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ease of modification
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common to need to revise
more modifications time consuming drawings are saved in memory |
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cost
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expensive at fitst, but you can save$$ in long run (tools, paper, pencils, etc.)
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3D
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programs store 3d database for each point of object
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greatly
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#d __________ affects ability to view and display veiws of object
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2d
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packages store data for x and y coordinates
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2.5d
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also store data points for x and y, also provide simplified 3D visualization for objects
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3d
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programs store data for x, y, and z, coordinates
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commands
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short words which, when entered, causes computer to perform some function
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entity
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objector text item created
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grids
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easily locate position on drawing
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grid dots
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dots on grid
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grid spacing
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most programs allow drafter to adjust spacing of dots
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snap grids (grid snaps)
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used to lock drawing curser to grid points as it is moved across screen. when ____ ______ is on, cursor moves from grid point to grid pont
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rotation
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used to rotate entity around base point
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handle point
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grabbing on corner of entity and dragging pont around base point
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zoom
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allows drafter to move in on a particular part, can view more details
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windows
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seperate display screen
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split screen
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allows you 2 work on two windows
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zoom screen
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different things at same time. zoom in on something
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cartesian coordinate system
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graphical point location; standard in CAd; precise positioning of entities on drawing surface
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coordinate pair
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position of point (x,y)
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absolute coordinates
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give position measured from origin of drawing. refr to precise locations
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relative coordinates
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refer to point measured from previous point
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design
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"___________ is regarded by many as the core problem solving process of technolical development"
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integration of technology
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"it is as fundamental to technology as inquiryis to science and reading is to language arts"
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balance
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determining visual weight of an object or image in either formal symmetry or informal symmetry
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principles of design
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include: balance, proportion, contrast, variety, harmony, unity, rhythm
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proportion
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distinguishing size relantionship of various parts of projector graphich as they relate to the finished product
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contrast
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establishing a point of emphasis to draw viewer's eye in an specific elements of graphic or product
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variety
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used to add elements of interest ot grpahich or product to gain interest in graphic or product
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harmony
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utilized to add rhythem and allow viewer to see items in agreeable manner
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unity
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refers to ability to make componets of a design have agreement with no elements out of place or seem as they don't belong together
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rhythm
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reoccurence or repetition within design that gives it the appearance that movement is taking place
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design
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process of :
interactive decision making planning in production of products and systems converting materials and resources meeting human needs and wantes to solve problems |
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design propsals
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" a written plan of action for solutions to a proposed problem
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designers
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driven to develop products that are creative through inventions and innovations that show resourcefulness
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human ability
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is distinguised as the ability to visualize and think abstractly along with considering several solutions for same problem
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elements of design
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line, shape, form, space, color, texture/shades
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development of products
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communications
transportation manufactoring biotechnology construction energy and power |
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design factors
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safety
reliability economic considerations quality control enviromental concerns manufactorability maintence/ repair ergonomics |
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potentinal hazards
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weigh benefits of design against _______________ ___________
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enviromentally conscious
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remember society is more _______________ ______ than ever before
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ultimate design goal
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Earth's our home, we must protect and preserve her for future generations
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design process
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effects these systems: communications, construction, energy and power, and biotechnology
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safety
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comply with codes and regulations go as to provide safe operation of products by the developer and consumer
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reliability and functionality
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process of product working properly, utilizing proper meterials within developement constraints
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economic considerations
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developement of jobs and products for the marketplace for individuals to purchase and pay tax on
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quality control
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requires information
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feedback
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related to measurement tolerances and specifications to assure proper production of products
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enviromental concerns
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developing produced in harmony with our enrivorment and recyclable
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manufacturability
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ability of product to be produced through feasible means and meet a need using available materials and resources
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maitnenance/ repair
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products produced with the intention of long life and low maintenance along with simple field replacement units
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ergonomics
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study of workplace equipment design or how to arrange and design devices, amachines, or work space so that people and things interact safely and must efficiently
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communications
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wireless systems utilize Internet and advances in satelites present future not yet imagined
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manufactoring
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CAD/CAM control tech and use of robots of enhancements everyday
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transportation
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magnetic levitation systems and automatic guided vehicles move products and people daily
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structual
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cities and communities on Earh along with new developem ent of International Space Station
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Energy and Power
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solar, wind, hydroelectric energies are present examples of only few sources thar are enviromentally conscious
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biotechnology
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genetic engineering related to agriculture, enviromental concerns and medical advances
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2 non computer generated items
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design and production of graphic arts typcially begins with ________________
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thumbnail sketches
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generally show choices for possible page layouts
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rough or mechanaical sketchs
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shows dimensions, size and locations of all elements, text, and images on page
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more often then in past
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_______ ________ ___designers aren't physically pasting elements onto camera ready copy of design. Instead, most of this so called paste up is done soley on computer.
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computers
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_____________ also used in generating film and printing plates without use of process cameras
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typical software
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_________ __________ that is involved in graphic design or pre-dress process includes PageMaker, and QuarkExpress
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PhotoShop
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color sperations and other digital photgraphic processes are acomplished wit hsoftware like ___________
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rule of thirds
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for composition of landscape and other non-portarait phographs, generally ________________ is followed
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2/3 1/3
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means that photograph is composed of _____ sky and ______ ground or vise versa depending on what is most interesting
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rule of thirds
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states that you should put subject of 4 intersection points, slightely off center
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headspace
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often leave too much ______ and shoot from too far away when composing interest shots.
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lead space
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______ ________ should also be included if subject is facing certain direction or is moving in particular direction
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portraits
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_______ should be shot up close w/o too much headspace
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story board
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helps people visualize each shot with regard to lighting requirements, sound, dialog, etc. Planning shoots depends on requirements that are specifided in storyboard
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