上海交通大学：《现代机械工程图学》教学资源（实践课件）05_UG：Drafting ME 250：Design & Manufacturing I

UG:Drafting ME 250:Design Manufacturing I School of Mechanical Engineering Shanghai Jiao Tong University 1

Shanghai Jiao Tong University 1 UG: Drafting ME 250: Design & Manufacturing I School of Mechanical Engineering

Outline ■Introduction ■Create and Edit Views Dimensions Create Drafting Annotations ■ Summary Shanghai Jiao Tong University 2

Shanghai Jiao Tong University 2 Outline n Introduction n Create and Edit Views n Dimensions n Create Drafting Annotations n Summary

Introduction The drafting application lets you create drawings,views,geometry,dimensions, and drafting annotations necessary for the completion of an engineering drawing from Unigraphics models. Drawing created in the Drafting application are fully associative to the model.Any changes made to the model are automatically reflected in the drawing. Shanghai Jiao Tong University 3

Shanghai Jiao Tong University 3 Introduction n The drafting application lets you create drawings, views, geometry, dimensions, and drafting annotations necessary for the completion of an engineering drawing from Unigraphics models. n Drawing created in the Drafting application are fully associative to the model. Any changes made to the model are automatically reflected in the drawing

Basic Topics ■Creating Drawings ■Creating Dimensions Creating Labels and Special Notes Managing Drawings Drafting Preferences Shanghai Jiao Tong University 4

Shanghai Jiao Tong University 4 Basic Topics n Creating Drawings n Creating Dimensions n Creating Labels and Special Notes n Managing Drawings n Drafting Preferences

Drafting Application Main-menu:Start/Drafting Insert Pull-down Menu These options allow you to create,edit and manipulate drawing views and drawing sheets. Views you create using these options include orthographic,auxiliary,detail, imported,and section views. ▣ Once views are created,they can be moved,aligned,removed,copied,edited, etc. Shanghai Jiao Tong University 5

Shanghai Jiao Tong University 5 Drafting Application n Main-menu: Start/ Drafting n Insert Pull-down Menu n These options allow you to create,edit and manipulate drawing views and drawing sheets. n Views you create using these options include orthographic, auxiliary, detail, imported, and section views. n Once views are created, they can be moved, aligned, removed, copied, edited, etc

Drawing Management Sheet New Sheet Size ○Use Template Edit Sheet Standard Size ○Custom Size Drawing name Size A0-841×1189 Scale 11 Sheet Size Name ·Unit Sheets in Drawing Projection Angle Scale Drawing Sheet Name Sheet 1 ■ The projection Angle options can only Settings be changed if no projected views exist Units in the current drawing Millimeters OInches Projection Automatically Start Base View Command Shanghai Jiao Tong University OK Apply Cancel L

Shanghai Jiao Tong University 6 Drawing Management n New Sheet n Edit Sheet n Drawing name n Sheet Size n Unit n Projection Angle n Scale n The projection Angle options can only be changed if no projected views exist in the current drawing

Drawing Management Open Sheet Delete Drawing Part navigator Shanghai Jiao Tong University 7

Shanghai Jiao Tong University 7 Drawing Management n Open Sheet n Delete Drawing Part navigator

Drawing←→Model Display Sheet Let you toggle between the modeling display and the drawing display. Update View Can manually update selected drawing views to reflect changes that have occurred to the model since the last time the views were updated.Items that may be updated include hidden lines, silhouettes,view bounds,section views,and section view details. Shanghai Jiao Tong University 8

Shanghai Jiao Tong University 8 Drawing Model n Display Sheet n Let you toggle between the modeling display and the drawing display. n Update View n Can manually update selected drawing views to reflect changes that have occurred to the model since the last time the views were updated. Items that may be updated include hidden lines, silhouettes, view bounds, section views, and section view details

Drafting Preferences d?1g. View Preferences ■Linestyle View Preferences Virtual Intersections Hatching Threads Base Projected Detail ■Visible./invisible Gener al Hidden Lines Visible Lines Smooth Edges Hidden Line Color Invisible Original Font Referenced Edges Only Edges Hidden by Edges ■Vidth ■Interfering Solids Self Hidden ■Include Model Curves Small Features Show All 10 Minimum Maximum Inherit Reset Load Defaults Load All Defaults OK Apply Cancel Shanghai Jiao Tony 9

Shanghai Jiao Tong University 9 Drafting Preferences n View Preferences n Linestyle n Visible/ invisible n Color n Font n Width

Procedure for Drafting Open a part file and examine the part. Enter the Drafting application Create a new drawing. ■ Define the type (inch or metric),size,scale and projection method of the drawing. ■ Set the preferences for the way views will be displayed. Add a model view to the drawing. Label the view. Add orthographic views. Control the scale of added views. Dimension the part. Add a note to the drawing Shanghai Jiao Tong University 10

Shanghai Jiao Tong University 10 Procedure for Drafting n Open a part file and examine the part. n Enter the Drafting application n Create a new drawing. n Define the type (inch or metric), size, scale and projection method of the drawing. n Set the preferences for the way views will be displayed. n Add a model view to the drawing. n Label the view. n Add orthographic views. n Control the scale of added views. n Dimension the part. n Add a note to the drawing