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IED Unit 1 Vocab
IED Unit 1 Vocabulary
| Term | Definition |
|---|---|
| Design Process | a systematic problem-solving strategy, with criteria and constraints, used to develop many possible solutions to solve or satisfy human needs or wants and to narrow down the possible solutions to one final choice |
| Prototype | A working model used to test a design concept by making observations and necessary adjustments. |
| Criteria | A means of judging. A standard, rule, or test by which something can be judged. |
| Concept Sketch | A graphical representation of an idea that can quickly communicate design intent and details |
| Engineer | A person who is trained in and uses technological and scientific knowledge to solve practical problems |
| Designer | A person who designs any of a variety of things. This usually implies the task of creating drawings or in some ways uses visual cues to organize his or her work. |
| Orthographic View | A method of representing three-dimensional objects on a plane having only length and breadth. |
| Accuracy | The degree of closeness of measurements of a quantity to the actual (or accepted) value. |
| Precision | The degree to which repeated measurements show the same result. |
| Design Brief | A written plan that identifies a problem to be solved, its criteria, and its constraints. The design brief is used to encourage thinking of all aspects of a problem before attempting a solution. |
| Constraints | A limit to a design process (appearance, funding, space, materials, and human capabilities). |
| Isometric View | A form of pictorial representation or graphical model in which all dimensions parallel to the three principal spatial axes are shown in their true proportions. |
| Scale | The ratio or relationship between a distance or area on a map and the corresponding distance or area on the ground, commonly expressed as a fraction or ratio. |
| Subtractive Modeling | A solid modeling technique where geometry is subtracted from existing model geometry. |
| Additive Modeling | A solid modeling technique where geometry is added to existing model geometry. |
| Multiview Drawing | A drawing which contains views of an object projected onto two or more orthographic planes. |
| Orthographic Projection | A method of representing three-dimensional objects on a plane having only length and breadth. Also referred to as right angle projection or orthographic view. |
| Computer-Aided Design (CAD) | A process that uses a computer to assist in designing something, such as a part, circuit, or building. |
| Dial Caliper | A measuring instrument having two adjustable jaws typically used to measure diameter or thickness. |
| Taper | To become progressively smaller toward one end. |
| Sectional View | A drawing view that shows a view of an object as if sliced on an imaginary plane, called the cutting plane, and viewed from a direction normal to the cutting plane. |
| Construction Lines | Lightly drawn line to guide drawing other lines and shapes. |
| Object Lines | A heavy solid line used on a drawing to represent the outline. |
| Hidden Lines | A heavy dashed line that represents an edge that is not directly visible. |
| Center Lines (or centerlines) | A line that defines the center of arcs, circles, or symmetrical parts. |
| Cutting Plane Line | A thick broken line with arrows on a technical drawing that indicates the location of an imaginary cutting plane and the view direction used to create a sectional view of an object. |
| Section Lines | The lines used in a section view to indicate where the cutting plane line has cut through material. |
Created by:
ssharris
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