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Computer-Aided Design and Drafting (CADD)
Terms in this set (54)
In CADD assemblies, parts that modify automatically if other parts change.
Process of making drawings or models move and change according to a sequence of predefi ned images.
Design approach that brings individual components together to form an assembly.
Existing feature or set of features created and stored in a catalog for use in other models; also known as a library feature.
computer numerical control
Control of a process or machine by encoded commands that are commonly prepared by a computer; also known as numerical control (NC).
Process that uses computers for designing; also referred to as computer-aided drafting.
computer-aided design and drafting (CADD)
Process of using a computer with CADD software for design and drafting applications.
computer-aided design/computer-aided manufacturing (CAD/CAM)
System in which a part is designed on a computer and transmitted directly to a computer-driven machine tool that manufactures the part.
computer-aided engineering (CAE)
Method of using computers in design, analysis, and manufacturing of a product, process, or project.
computer-aided manufacturing (CAM)
Uses computers to assist in creating or modifying manufacturing control data, plans, or operations and to operate machine tools.
Computer-integrated manufacturing (CIM)
Brings together all the technologies in a management system, coordinating CADD, CAM, CNC, robotics, and material handling from the beginning of the design process through product packaging and shipment. The computer system is used to control and monitor all the elements of the manufacturing system.
(1) A condition, such as a specific size, shape, or requirement that defines and restricts a design and must be satisfied in order to achieve a successful design. (2) In CADD, geometric characteristics and dimensions that control the size, shape, and position of model geometry. Also called a parameter.
Catalog features that can contain a complete model consisting of several features or even multiple parts
Computer-generated model or original design that has not been released for production.
Measurements that numerically control the size or location of geometry.
All of the objects, settings, and other elements that make up a drawing
Science of adapting the work environment to suit the needs of the worker.
In CADD, an arrangement of copies of existing features, generating occurrences of the features.
Methods and processes of creating a management system and then storing, retrieving, and maintaining files within guidelines of the computer system
finite element analysis (FEA)
Process of applying the finite element method (FEM) to solve mathematical equations related to engineering design problems, such as structural and thermal problems.
Movement as if a camera is a helicopter flying through an area. See also Walk-through.
In CADD, a design in which objects have no freedom of movement.
fused deposition modeling (FDM)
Type of rapid prototyping (RP) or rapid manufacturing (RM) technology commonly used within engineering design. The FDM technology is marketed exclusively by Strata-sys Inc. Also see Rapid prototyping.
In CADD, characteristics applied to restrict the size or location of geometry.
graphical user interface (GUI)
Provides on-screen features that allow interaction with a software program.
Entering information into a computer that the computer acts on in some way. Can comes from devices such as a keyboard, mouse, or similar input device or from a digitizer.
Parametric concept; occurs as a result of a software program's ability to store and manage model information. This information includes knowledge of every model characteristic such as calculations, sketches, features, dimensions, geometric parameters, when each piece of the model was created, and all other model history and properties.
inverse kinematics (IK)
Method used to control how solid objects move in an assembly.
Element of a CADD drawing that allows a user to separate objects into logical groups for formatting and display purposes.
Mirrors an existing feature across a plane in a CADD drawing.
non-uniform rational B-splune (NURBS)
Mathematics used by most surface modeling CADD systems to produce accurate curves and surfaces.
numerical control (NC)
System of controlling a machine tool by means of numeric codes that direct the commands for the machine movements; computer numerical control (CNC) is a computer command control of the machine movement.
Information that a computer sends to a receiving device such as a monitor, plotter, or printer.
In CADD, a design that contains too many constraints; not possible within a parametric model.
Element that allows changes made to individual parts to be reproduced automatically as changes are made in a CADD assembly and assembly drawing.
Geometric characteristics and dimensions that control the size, shape, and position of model geometry in CADD. Also called constraints.
An external computer hardware device that uses the computer to perform functions that the computer cannot handle.
CADD features added to existing features without using a sketch. Also known as built-in, added, or automated features.
Basic form of surface modeling that produces lower-quality surfaces without precise curvature control.
product data management (PDM)
Process of organizing and monitoring data related to a product such as a drawing, model, specification, or other associated document.
rapid prototyping (RP)
Process of creating a physical and functional model from a computer-generated 3-D model using a rapid prototyping machine (also known as a 3-D printer). RP machines are available that build prototypes from various materials such as paper and liquid polymer. Some manufactures use RP machines to build actual parts. See also Free-form fabrication process.
CADD feature that copies and organizes an element into a designated number of rows and columns and places the features a specified distance apart from each other.
In CADD, 2-D or 3-D geometry that provides the profile or guide for developing sketched features.
CADD features built from sketches such as extrusions, revolutions, sweeps, and lofts
Program or instructions that enable a computer to perform specific functions to accomplish a task.
In CADD, objects such as boxes, cones, spheres, and cylinders that are combined, subtracted, and edited to produce a final model.
Refers to disks and drives that allow an operator to store programs, drawing files, symbols, and data.
Process by which the key events of an animation are sketched out.
Refers to something that can last or is able to be maintained for long periods of time without damaging the environment or without depleting a resource.
Concept of developing products, structures, and services that are environmentally and socially responsible and economically practical. See also Green building.
Involves use of a variety of artistic and graphic arts skills and a wide range of media in addition to pictorial drawing techniques.
A CADD design that includes constraints that are not enough to size and locate all geometry.
virtual reality (VR)
A world that appears to be a real world, having many of the properties of a real or actual world.
Characterized as a camera in a computer program that is set up like a person walking through a building, around a product or building, or through a landscape. See also Fly-through.
When a person watches several videos in a row, Facebook serves advertisements between them. That ad revenue is split between the publishers whose videos were viewed during that session. T or F
What are checked and unchecked exceptions?
decide upon a color scheme that represents the client or company.
Of the 6 main careers in video game design, which career would be compared to a director from a movie?
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