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Lecture Autodesk inventor: Part creation

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Cấu trúc

  • Part Creation

  • Sketched Features

  • Sketched Feature Operations

  • Sketched Feature Terminations

  • Base Feature

  • Adding Sketched Features

  • Another Sketched Feature

  • Sketched Feature Requiring a Work Plane

  • Placed (Referenced) Features

  • Parent-Child Relationships

  • Feature Modifications

  • Slide 12

  • Slide 13

Nội dung

Lecture Autodesk inventor: Part creation. The main contents of the chapter consist of the following: Sketched features, sketched feature operations, sketched feature terminations, base feature, adding sketched features, another sketched feature.

Part Creation     Sketched Features Sketched features include: Extrude Revolve Sweep Loft (Blend) Others (e.g., Rib, Coil)     Sketched Feature Operations Boolean operations are included as  part of the feature construction.  Operations include: Join (Union) Cut (Subtract) Intersect     Sketched Feature Terminations Through (All) – extrude all the way through a part Blind (Distance) – extrude to a fixed depth To Next – extrude to next  surface From To – extrude from one  existing surface to another To – extrude to selected  surface Angle – revolve through a  certain angle Full – revolve 360 degree     Base Feature The base feature is  the first model  feature to be  created Other features are  created using  constraints that  locate them relative  to the base feature     Base  Feature  Adding Sketched Features Establish a sketch  plane (share sketch) Sketch Constrain  Some constraints  used to relate new  feature to base  feature Create Feature    Extrude, Join   Another Sketched Feature New sketch plane Sketch Constrain Dimension Create Feature Extrude Cut     Sketched Feature Requiring a  Work Plane If there are no convenient  faces that can be used to  orient a sketch plane, a work  plane must be created Sketch, constrain Create feature Extrude, Join     Placed (Referenced) Features Placed features are  features that do not  require a sketch Examples include  holes, chamfers,  fillets and shells NOTE: In Inventor,  holes require that  center points be  placed on sketch  plane prior to  feature creation     Parent­Child Relationships Parent­child relationship refers to way in which  one feature is derived from, and consequently  dependent upon another feature Child must appear below parent in feature tree Base feature is parent to all other features Parent deleted  child deleted     Feature Modifications         Part Creation Cul De Sac     ... Boolean operations are included as  part of the feature construction.  Operations include: Join (Union) Cut (Subtract) Intersect     Sketched Feature Terminations Through (All) – extrude all the way through a part Blind (Distance) – extrude to a fixed depth... Base feature is parent to all other features Parent deleted  child deleted     Feature Modifications         Part Creation Cul De Sac     ... NOTE: In Inventor,  holes require that  center points be  placed on sketch  plane prior to  feature creation     Parent­Child Relationships Parent­child relationship refers to way in which  one feature is derived from, and consequently 

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