Design Engineering

designer banner 3Mechanical designers work with engineers using computer design software to create from sketches and even field work, technical drawings for equipment, foundations, and facilities.





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Nomenclature & Symbols


  • \( ACE \)  -  Architecture, Eengineering and Construction
  • \( CTR \)  -  center
  • \( C-C \)  -  center to center
  • \( CL \)  -  centerline
  • \( CAD \)  -  Computer Aided Design
  • \( CADD \)  -  Computer Aided Design and Drafting
  • \( CAE \)  -  Computer Aided Engineering
  • \( CAM \)  -  Computer Aided Manufacturing
  • \( DWG \)  -  drawing
  • \( DES \)  -  designer
  • \( DSGN \)  -  design
  • \( EDA \)  -  Electronic Design Automation
  • \(FLG\)  - flange
  • \( HORIZ \)  -  horizontal
  • \( NTS \)  -  not to scale
  • \( OC \)  -  on center
  • \(  REV \)  -  revision
  • \( STD \)  -  standard
  • \( VERT \)  -  vertical


Design Engineering Glossary





  • Dynamic assembly  -  An assembly model in which parts are linked to their individual part files so the software can update the assembly when individual part files are modified.


  • Exploded  -  An assembly in which parts are moved out of position along a axis so that each individual part is visible.
  • Export  -  To save data from one application in a file format that can be read by another software application.


  • Flange  -  A flattened collor or rim around a cylindrical part to allow for attachment.



  • Hard copy  -  Printed or plotted materials.
  • Hatch line  -  A series of parallel lines drawn on a diagonal to indicate a surface created by a cut.
  • Hidden line  -  A type of line that represents an edge that is not directly visible because it is behind or beneath another surface.


  • Interface  -  The portion of a system or device used to interact with or control it.
  • Intersection  -  The point at which two points or surfaces meet, or the area shared bt overlapping surfaces.




  • Limit tolerance  -  A tolerance that states the maximum and minimum allowable dimension, not the basic dimension value.


  • Machining scale  -  A steel ruler with its smallest divisions 0.01 inch apart.



  • Offset  -  The distance from an existing object at which a new object will be created.
  • Overdimensioning  -  Showing the same dimension more than one way in the drawing.


  • Part drawings  -  Individual drawings prepared for each part that will be manufactured or modified for the project.
  • Parting line  -  A line on a molded part where the two mold halves come togeather.




  • Solid modeling  -  A type of 3D modeling that represents the volume of an object, not just its lines and surfaces.
  • Static assembly  -  An assembly that does not update when individual part files change.
  • Storyboard  -  Pictures that dipict the sequence and composition of key events in an animation.
  • Subassembly  -  A group of parts that fit togeather to create one functional unit.
  • Surface modeling  -  A three-dimensional modeling that defines only surfaces and edges.
  • System variables  -  Settings that control the default operation of a CAD package.


  • Template  -  A drawing with certain settins that can be used repeatedly as the basis for starting a new drawing.


  • Update  -  To regenerate the model or drawing using any new dimension values or changed perameters.
  • User coordinate system  -  A coordinate system defined by the user to assist in creating CAD geometry.


  • Vanishing point  -  A location where the projections converge in a perspective drawing.
  • Vertex  -  A point where two or more curves, edges, or lines meet.


  • Working drawing  -  Drawings that convey all the information needed to manufacture and assemble a design.





Display #
12" Pig Launcher
12" Pig Receiver
6" Pig Launcher
6" Pig Receiver
8" Pig Launcher
8" Pig Receiver
Anchor Tee Pipe Support
Angle Iron Pipe Support
Architectural Decimal Text Size and Scale Factor
Architectural Inch Text Size and Scale Factor

Tags: Drawings