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CAD Terminology and Definitions

The document defines common terms used in CAD including: extrude, revolve, assembly, fillet, chamfer, shell, sketch, line, circle, arc, rectangle, zoom, mirror, scale, offset, workplane, constraint, document, CAD, mate, triad manipulator, origin, drawing, BOM, .STL, .DXF, coincident, concentric, tangent, component, CNC, Part Studio, tolerance, and digital caliper. It provides brief descriptions of each term and what they are used for in CAD modeling and design.

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402 views2 pages

CAD Terminology and Definitions

The document defines common terms used in CAD including: extrude, revolve, assembly, fillet, chamfer, shell, sketch, line, circle, arc, rectangle, zoom, mirror, scale, offset, workplane, constraint, document, CAD, mate, triad manipulator, origin, drawing, BOM, .STL, .DXF, coincident, concentric, tangent, component, CNC, Part Studio, tolerance, and digital caliper. It provides brief descriptions of each term and what they are used for in CAD modeling and design.

Uploaded by

api-438114737
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Extrude - A term used when a 2D profile is pulled into a 3D shape.

Revolve - A profile that is rotated around an axis.

Assembly - Multiple components combined to create a model.

Fillet - Applies rounded edge to a corner of a 3D feature.

Chamfer - Applies straight edge to a corner of a 3D feature.

Shell - Used to remove material from the inside of a 3d model. It can also be used to
remove a face.

Sketch - this is created on a workplane using 2D drawing tools such as lines, arcs, and
circles to create profiles

line - used to draw straight between two defined points

circle - creates a shape using a centre point and radius

arc - creates a curved shapes using 3 points - a start, end and radius

rectangle - creates a four sided shapes using two points for the diagonal corners

zoom - increase or decrease viewing scale

mirror - creates a reflected copy of a sketch across an axi

scale - increase or decrease size of selected sketch geometry proportionally

offset - duplicates a sketch to a set distance from the original

workplane - creates a construction plane that is attached parametrically to other objects

constraint - A limitation or restriction that helps control the geometry of a sketch.

document - Where you store all of your sketches, parts and related project documents.

CAD - Computer Aided Design


Mate - Connects two parts together in an assembly and allows certain movements.

Triad Manipulator - Allows user to change a parts location in relation to the origin.

Origin - A fixed point from which coordinates are measured.

Drawing - A formal graphical representation of an object containing information such as


notes or dimensions.

BOM (bill of materials) - A structured list of all the materials or parts and quantities
needed to produce a particular finished product, assembly, subassembly, or
manufactured part.

.STL - file format used in 3D printing

.DXF - file format used in CNC operations

Coincident - Tool used to constrain points to other geometries in 2D and 3D sketches.

Concentric - When two or more objects share the same center point

Tangent - Constrain line or objects orientation so that it moves along a curve.

Component - A single part, used to create an assembly later on.

CNC - Computer Numerical Control

Part Studio - Is used to define parts and has a Feature list.

Tolerance - The total amount a specific dimension is permitted to vary.

digital caliper - a measuring instrument used to conduct detailed measurements

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