T-FLEX Parametric CAD. Fundamentals. 2D Design

Fundamentals. Two-Dimensional Design
6
Constructing Circles..................................................................................................................................208
Various Ways of Constructing Circles ................................................................................................................ 210
Circles Constructed Based on 2D Projection, 2D Fragment or Copy.................................................................. 216
Circle Parameters ......................................................................................................................................216
Editing Circles...........................................................................................................................................217
Ellipses...........................................................................................................................................................218
Constructing Ellipses.................................................................................................................................218
Ellipses Construction Techniques ....................................................................................................................... 218
Ellipses Created from 2D Projection, 2D Fragment or Copy .............................................................................. 222
Ellipse Parameters .....................................................................................................................................223
Editing Ellipses .........................................................................................................................................223
Nodes..............................................................................................................................................................224
Creating Nodes..........................................................................................................................................224
Nodes Based on Construction Entities ......................................................................................................226
“Free” Nodes .............................................................................................................................................229
Nodes from Fragment. Node Names.........................................................................................................230
Nodes from 2D Projections .......................................................................................................................232
Nodes Lying on Characteristic Points of Entities......................................................................................232
Splines............................................................................................................................................................233
Main Concepts...........................................................................................................................................233
Constructing Splines .................................................................................................................................234
Spline Parameters......................................................................................................................................236
Editing Splines ..........................................................................................................................................236
Offset Curves ................................................................................................................................................238
Creating Offset Curves..............................................................................................................................238
Offset Parameters ......................................................................................................................................240
Editing Offsets...........................................................................................................................................240
Functions .......................................................................................................................................................242
Defining the Function................................................................................................................................242
Evolvent Creation Example.......................................................................................................................246
Editing Function Spline.............................................................................................................................247
Paths ..............................................................................................................................................................248
Constructing 2D Paths...............................................................................................................................248
2D Path Parameters ...................................................................................................................................251
Editing 2D Paths........................................................................................................................................251
Editing the Type of a Particular Path Segment.................................................................................................... 251
Deleting a Node inside Path Contour .................................................................................................................. 253
Modifying a Node Position within Path Contour ................................................................................................ 253
Creation of Additional Nodes on a Path Contour................................................................................................ 253
Displaying the Contour Point Numbers............................................................................................................... 255
Creating Drawing Lines........................................................................................................256
Graphic Lines ...............................................................................................................................................256
Creating Graphic Lines .............................................................................................................................256
Switching Drawing Mode. “Free” and “Constrained” Drawing Modes.............................................................. 258
Graphic Line Parameters ..................................................................................................................................... 258
Using Construction Entity Selection Options...................................................................................................... 260
Example of Creating a Chain of Graphic Lines................................................................................................... 263
A Few Tips on Creating Graphic Lines............................................................................................................... 264