_c__Center Line                            

__b__Extension Line

__f__Dimension Line

_e__Object Line _a___Construction
__d__Hidden Line

1. Line lightly drawn lines to guide drawing other lines and shapes.
2. Line which represents where a dimension starts and stops.

1. A line which defines the center of arcs, circles, or symmetrical parts
2. A line type that represents an edge that is not directly visible.

1. A heavy solid line used on a drawing to represent the outline of an object.

1.  A line which represents distance

 Match the words to the proper definition.

__c__Orthographic Projection

_b__Leader Line:

_g__Cabinet Pictorial

__d__Cavalier Pictorial

__e_Pictorial Sketch

__h__Isometric Sketch

__f__Perspective Sketch

__a__Multi-View Drawing

__i__Oblique Sketch

1. A drawing which contains views of an object projected onto two or more orthographic planes.
2. Line which indicates dimensions of arcs, circles and detail.
3. A method of representing three-dimensional objects on a plane having only length and breadth. Also referred to as Right Angle Projection
4. Oblique pictorial where height, width, and depth are represented at full scale.
5. A sketch that shows an object’s height, width, and depth in a single view
6. A form of pictorial sketch in which vanishing points are used to provide the depth and distortion that is seen with the human eye.
7. Oblique pictorial where depth is represented as half scale compared to the height and width scale.
8. A form of pictorial sketch in which all three drawing axes form equal angles of 120 degrees with the plane of projection.
9. A form of pictorial in which an object is represented as true width and height, but the depth can be any size and drawn at any angle.

_j__ Model

_h__ Annotate

__c_ Component

__a__ Physical Model

_d_ Scale Model

__g__ Geometric Constraint

_e__ Solid Modeling

_i_ Mathematical Modeling
_b__ Prototype

 _f__ Working Drawings 

• A physical representation of an object. Prototypes and appearance models are physical models.
• A full-scale working model used to test and improve a design concept by making actual observations and necessary adjustments.
• A part or element of a larger whole
• An enlarged or reduced representation of an object that is usually intended for study purposes.
• A type of 3D CAD modeling that represents the volume of an object, not just its lines and surfaces.
• Drawings that convey all of the information needed to manufacture and assemble a design
• Constant, non-numerical relationships between the parts of a geometric figure. Examples include parallelism, perpendicularity, and concentricity.
• To add explanatory notes to a drawing
• The process of choosing and using appropriate mathematics and statistics to analyze empirical situations, To understand them better, and to improve decisions.
• A visual, mathematical, or three-dimensional representation in detail of an object or design, often smaller than the original.

Unit 5 Geometry of Design 13%

• What are physical properties and why are they important to the design of a product?

The material it is made of, its mass, density, etc.

• What advantage do Computer Aided Design and Drafting (CAD) provide over traditional paper and pencil design? The advantage of CAD is that it is easily modified, and reproducible.  Usually faster to produce. Can be looked at in 3 dimensions and seen at different angles

• How does the material chosen for a product impact the design of the product?

It determines the products weight and density, its durability, etc.

• Match the word with its definition

_g_ Acute Triangle

_l__ Center of Gravity

_f__ Centroid

_d__ Tangent

_e__ Circumscribe

__i_ Principal Axes

__b_ Density

__h_ Volume

 _c__ Inscribe

__J_ Obtuse Triangle

_a__ Fillet

_k__ Right Triangle

• A curve formed at the interior intersection between two or more surfaces.
• The measure of mass density is a measure of mass per volume.
• To draw a figure within another so that their boundaries touch but do not intersect.

d.          A straight or curved line that intersects a circle or arc at one point only.
e.         A triangle located round a polygon such as a circle. To draw a figure around another, touching it at points but not cutting it.
f.          3D point defining the geometric center of a solid.
g.        A triangle that contains only angles that are less than 90 degrees.
h.         The amount of three-dimensional space occupied by an object or enclosed within a container.
i.         The lines of intersection created from three mutually perpendicular planes, with the three planes’ point of intersection at the centroid of the part.
j.          A triangle with one angle that is greater than 90 degrees.
k.         A triangle that has a 90 degree angle.
l.       A 3D point where the total weight of the body may be considered to be concentrated.

__o_ Asymmetry
__k__Symmetry
__f__Proportion

__m__ Balance.

__b_Form

__d__Color

__i__Rhythm

__c_Graphic Design

__p__Contrast

__l_Texture

_e__Pattern

__g__ Radial Symmetry;

__n__Value

__h__Reverse Engineering

__j__Shape;

_a__Emphasis

• Special importance, value, or prominence given to something.
• Having the three dimensions of length, width, and depth. Also referred to as a solid. The organization, placement, or relationship of basic elements, as volumes or voids in a sculpture, so as to produce a coherent image.
• The art of combining text and pictures in advertisements, magazines, books, etc.
• The property possessed by an object of producing different sensations on the eye as a result of the way it reflects or emits light.
• A repeated decorative design.
• The relationship of one thing to another in size, amount, etc. Size or weight relationships among structures or among elements in a single structure.
• Symmetry about a central axis.
• The process of taking something apart and analyzing its workings in detail.
• A regularly recurring sequence of events or actions.
• The two-dimensional contour that characterizes an object or area, in contrast to three-dimensional form.
• The correspondence in size, shape, and relative position of parts on opposite sides of a median line or about a central axis. Also referred to as formal balance.
• The feel, appearance, or consistency of a surface, substance, or fabric.
• A condition in which different elements are equal or in the correct proportions. There are three types of visual balance: symmetry, asymmetry, and radial
• The lightness or darkness of a color in relation to a scale ranging from white to black
• Symmetry in which both halves of a composition are not identical. Also referred to as informal balance.
• The state of being noticeably different from something else when put or considered together

• What considerations should be made in when reverse engineering?
• Visual Analysis
• Functional Analysis
• Structural Analysis

• What makes a product aesthetically pleasing or eye-catching?

Elements of design: Color, value, form, shape, texture, line, point, balance; symmetry, radial, and asymmetry, emphasis, contrast, rhythm, proportion, unity, and economy,

• How are principles and elements of design used with engineering practice to develop a successful product? They are incorporated into the Visual, Functional and Structural Analysis to develop a product that is not only aesthetically pleasing but also economical reproducible that solves the problem.

• Why do engineers need to understand the design principles and elements when designing or innovating a produce? (make sure you use the vocabulary words.

Engineers use Color, value, form, shape, texture, line, point, balance; symmetry, radial, and asymmetry, emphasis, contrast, rhythm, proportion, unity, and economy to make it as aesthetically pleasing, while still being functional, as possible

• Describe the process of reverse engineering.

Reverse engineering (RE) is the process of taking something apart and analyzing its workings in detail, usually with the intention of understanding its structure, function, and operation.

• A system input/output model is used in unit 6 Functional Analysis helps to determine what about a product we are Reengineering/Innovating?

A black box systems model is used to identify what goes into and out of the product in order to make it work as a system. The “black box” is used to represent the product’s internal components or processes, which are deemed unknown at this point.

•    Describe how important it is to have good interpersonal communication skills in a technically related field, such as engineering and design.

You must be able to communicate clearly and succinctly with the people with whom you work in-order for them to understand how your design is going to solve the problem at hand.

Unit 7 Documentation 20 %

• Arcs and circles are dimensioned in views that ___ show the arc or circle ________.
• Arcs are dimensioned with a __ leader _ to identify the ___radius ___; in some cases, a center mark is included.
• Circles should have a __ center______mark and are dimensioned with a __ leader ___ to identify the  ____ diameter ___.
• What is an offset and how is it used?

An offset is used when constraining two parts and you don’t want to constrain them completely flush (you might offset one part so that it sticks out from another part).

• What is the difference between a mate and flush constraint?
• Mate:  two surfaces face to face.
• Flush: two surfaces side by side or two edges side by side.

•  What constraint would you use to place a pin inside a hole? Insert Constraint

.

• What is a subassembly? How is it useful in the assembly of a complex product that involves multiple parts?

A subassembly is when some of the parts of a product are put together, and then those subassemblies are put together in one total assembly

• Why is detailed documentation important in the design of a product?

If documentation is incomplete, the part cannot be produced as it was intended to be made.

• Angled surface may be dimensioned using  ___ coordinate ___ method to specify the  ___ two_________location distances of the angle. 
• Angled surfaces may also be dimensioned using the  __angular____ method by specifying  __one______ location for distance and the angle.

• What needs to be answered in a Design Brief.

Client / End User / Target Consumer
Problem Statement
Design Statement
Constraints

• What is a Decision matrix? It is used to compare design solutions against one another, using specific criteria that are often based on project requirements.

• Identifying Ideas or Alternatives
• Cost
• Reusability
• Geometry
• Connections
• Cleanliness
• Resilience
• Testability
• Function
• Product life span
• Development time
• Size
• Material costs
• Development costs
• Manufacturing costs
• Company standards
• Manufacturing capabilities
• Safety

• Importance of Technical Writing: is a type of expository writing that is used to __convey_____ information to a particular _audience______ for a particular _technical______or _business______ purposes

• Technical reports communicate _technical_______information and _conclusions____about projects to __customers___, _managers___, legal authority figures, and other _engineers___. It contains the following sections:

• Technical reports communicate technical information and conclusions about projects to customers, managers, legal authority figures, and other engineers.
• Front Matter: Title Page, Abstract, Table of Contents, List of Tables & Figures
• Text: Summary, Introduction, Methods, Assumptions, and procedures, Results & Discussion, conclusion, References
• Back Matter: Appendices, List of Symbols, Abbreviations and Acronyms
• Match the word with its definition:

Section 1: Dimensioning

_l__Aligned Dimension

_b__Baseline Dimensioning
System

_m__Chain Dimensioning

_i_Limit Dimensions

__d_Location Dimension

__e_Reference Dimension

_h__Datum Dimensioning

_f__Unidirectional Dimension

_g_Tolerance

_c__Nominal Size

_J__Bilateral Tolerance

__k_Allowance       

_n__Clearance Fit

• The amount of overlap that one part has with another when assembled
• Dimensioning in which all dimensions are placed from a datum and not from feature to feature.
• The designation of the size established for a commercial product.
• A location dimension that defines the relationship of features of an object.
• A dimension, usually without a tolerance, used for information purposes only. A reference is a repeat of a given dimension or established from other values shown on a drawing. Reference dimensions are enclosed in ( ) on the drawing.
• A tolerance in which variation is permitted in both directions from the specified dimension.
• The acceptable amount of dimensional variation that will still allow an object to function correctly..
• A dimensioning system where each dimension originates from a common surface, plane, or axis. Also known as baseline dimensioning.
• The largest and smallest possible boundaries to which a feature may be made as related to the tolerance of the dimension.
• A tolerance in which variation is permitted in both directions from the specified dimension.
• The tightest possible fit between two mating parts.
• A system of dimensioning which requires all numerals, figures, and notes to be aligned with the dimension lines so that they may be read from the bottom (for horizontal dimensions) and from the right side (for vertical dimensions).
• Also known as point-to-point dimensioning where dimensions are established from one point to the next.
• Limits the size of mating parts so that a clearance always results when mating parts are assembled.

__a_Interference

Part 2: Organizations & Technical Writing

_g__American National
Standards Institute (ANSI)
_e__Technical Writing
_c__American Society of Mechanical Engineers (ASME)
_b__Parts List
_f__International Organization for Standardization (IOS);
_d__Decision Matrix;
__a_Market Research

1. The activity of gathering information about consumers’ needs and preferences.
2. A list of materials or parts specified for a project. Also referred to as a bill of materials or BOM.
3. A professional engineering organization that is known for setting codes and standards for mechanical devices in the United States.
4. A tool used to compare design solutions against one another, using specific criteria.
5. A type of expository writing that is used to convey information for technical or business purposes.
6. This is a worldwide organization that creates engineering standards.
7. A private, non-profit organization that coordinates the development and use of a voluntary consensus standards in the United States.

Part 3: Drawing Types

_J__Auxiliary view
_i__Section Lines;

_h__Broken-Out Section

_c__Working Drawings

_f__Full Section

_e_Detail View

_b_Part Drawing

_a__Half Section;

_d_ Section View

g__Cutting Plane Line

1. A sectional drawing based on a cutting plane line that cuts through one-quarter of an object. A half section reveals half of the interior and half of the exterior.
2. A drawing that contains all the information for making one part of the design.
3. Drawings that convey all of the information needed to manufacture and assemble a design.
4. Used to show “inside” details not apparent on the exterior of the part
5. A view that is used to show a magnified view of features that are too small to adequately specify in another view.;
6. A sectional drawing based on a cutting plane line that extends completely through an object.
7. A line drawn on a view where a cut was made in order to define the location of the imaginary section plane.
8. A section of an object broken away to reveal an interior feature for a sectional drawing
9. Thin lines used in a section view to indicate where the cutting plane line has cut through material.
10. A view that is used to show features that is located on an inclined surface in true size and shape.

Part 4: Holes

_d__Blind Hole
__c_Taper

_e_Counter bore

_b__Tapped Holes 
_a__Countersink

1.  A conical-shaped recess around a hole, often used to receive a tapered screw.
2. has internal threads
3. Gradual diminution of width or thickness in an elongated object
4. A hole that does not go completely through the work piece.
5. A cylindrical recess around a hole, usually to receive a bolt head or nut

Unit 8 Advanced Computer Modeling 4%

• Match the words with the proper definitions.

__c_Phantom Line

_g__Exploded Assembly

__d_Ratio.

_f_Rib

_b__Numeric Constraint

_e_Parameter

_a__Parametric Modeling

1.  A CAD modeling method that uses parameters to define the size and geometry of features and to create relationships between features. Changing a parameter value updates all related features of the model at once.
2. A number value or algebraic equation that is used to control the size or location of a geometric figure.
3. A line used to show the alternate positions of an object or matching part without interfering with the main drawing.
4. The quantitative relation between two amounts showing the number of times one value contains or is contained within the other.
5. A property of a system whose value determines how the system will behave.
6. A relatively thin flat member acting as a brace support. Also called a web.
7. An assembly drawing in which parts are moved out of position along an axis so that each individual part is visible

 Unit 9 Design Team 2%