Creo Parametric Modeling By Jouni Ahola

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Creo Parametric Modeling By Jouni Ahola

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Table of contents

1 INTRODUCTION TO CREO PARAMETRIC  7
1.1 WHAT IS CREO PARAMETRIC 7
1.2 THIS BOOK 7
1.3 CHAPTERS AND TASKS 8
1.4 FEATURE-BASED MODELING 9
1.5 CREO PARAMETRIC SKETCHER GEOMETRY 11
1.6 CREATING INTERNAL SKETCHES 11
1.7 CREO PARAMETRIC SCREEN LAYOUT 12
1.7.1
MANAGING FILES 1.8

MOUSE, KEYBOARD AND BASIC CONTROLS 22
1.9 MODELING TEMPLATES 25
1.9.1
TEMPLATES EXAMPLE 1.10
MODEL TREE 30
2
CREO PARAMETRIC BASIC MODELING
…………………………………………………………………………………….31
2.1 CAMSHAFT PREMACHINED
……………………………………………………………………………………………………………….2.2

CREATING A NEW PART MODEL
………………………………………………………………………………………………………..2.2.1
REVOLVE FEATURE
………………………………………………………………………………………………………………………
33
2.2.2
EDITING
FEATURES………………………………………………………………………………………………………………………
38
2.2.3
EXTRUDE FEATURE
………………………………………………………………………………………………………………………
43
2.2.4
PATTERN FEATURE
………………………………………………………………………………………………………………………
47
2.2.5
REVOLVED CUT FEATURE
……………………………………………………………………………………………………………..2.2.6
MIRROR FEATURES
……………………………………………………………………………………………………………………..2.2.7
COAXIAL HOLE FEATURE
………………………………………………………………………………………………………………
56
2.2.8
PLANAR CROSS SECTIONS
…………………………………………………………………………………………………………….2.2.9
ROUNDS AND CHAMFERS
…………………………………………………………………………………………………………….2.2.10
CAMSHAFT MODEL
PROPERTIES………………………………………………………………………………………………..2.3 CAMSHAFT PLATE
……………………………………………………………………………………………………………………………
74
2.3.1
EXTRUDE FEATURE
………………………………………………………………………………………………………………………
76
2.3.2
LINEAR HOLE FEATURE
…………………………………………………………………………………………………………………
80
2.3.3
STANDARD HOLE FEATURE
…………………………………………………………………………………………………………..2.3.4
HOLE PATTERN
……………………………………………………………………………………………………………………………
84
2.3.5
POCKET FEATURE
………………………………………………………………………………………………………………………..2.3.6
CREATING ROUNDS AND CHAMFERS BY SELECTING EDGES
……………………………………………………………….89
2.3.7
CAMSHAFT PLATE MODEL PROPERTIES
…………………………………………………………………………………………..91
3
ASSEMBLY
………………………………………………………………………………………………………………………………….3.1 ASSEMBLY THEORY
………………………………………………………………………………………………………………………….Creo Parametric Basic Modeling
4/350
3.1.1
ASSEMBLY MODELS
…………………………………………………………………………………………………………………….3.1.2
ASSEMBLY CONSTRAINT THEORY
…………………………………………………………………………………………………..96
3.2 CREATING NEW ASSEMBLY
……………………………………………………………………………………………………………….3.2.1
ADD NEXT COMPONENT TO ASSEMBLY
……………………………………………………………………………………….. 101
3.3 COLLISION DETECTION IN THE ASSEMBLY
…………………………………………………………………………………………. 106
3.3.1
EDIT COMPONENT DEFINITION IN THE ASSEMBLY
…………………………………………………………………………. 107
3.4 EXPLODING ASSEMBLIES
………………………………………………………………………………………………………………..
111
3.5 COMPONENT LIBRARY
……………………………………………………………………………………………………………………
114
3.5.1
CONFIGURING COMPONENT
LIBRARY…………………………………………………………………………………………..
115
3.5.2
CONFIGURING SEARCH PATH
………………………………………………………………………………………………………
119
4
DRAWING
………………………………………………………………………………………………………………………………….
121
4.1 DRAWING CONCEPTS AND THEORY
………………………………………………………………………………………………….
121
4.1.1
DRAWING FORMATS
………………………………………………………………………………………………………………….
125
4.1.2
DRAWING SHEETS
……………………………………………………………………………………………………………………..
126
4.2 MODEL DRAWINGS
……………………………………………………………………………………………………………………….
127
4.2.1
CAMSHAFT DRAWING
………………………………………………………………………………………………………………..
130
4.2.2
PROJECTION
VIEWS……………………………………………………………………………………………………………………
133
4.2.3
CROSS-SECTION VIEWS
………………………………………………………………………………………………………………
135
4.2.4
DETAILED VIEWS
……………………………………………………………………………………………………………………….
138
4.3 DRAWING ANNOTATIONS
………………………………………………………………………………………………………………
140
4.3.1
SHOWING ANNOTATIONS
…………………………………………………………………………………………………………..
143
4.3.2
CREATING DIMENSIONS
……………………………………………………………………………………………………………..
145
4.3.3
CLEANING UP DIMENSIONS
………………………………………………………………………………………………………..
147
4.3.4
MANIPULATING DIMENSIONS
……………………………………………………………………………………………………..
149
4.3.5
ERASE AND DELETE DIMENSIONS
…………………………………………………………………………………………………
153
4.4 DIMENSIONAL TOLERANCES
……………………………………………………………………………………………………………
155
4.4.1
CONFIGURING DIMENSIONAL TOLERANCES
………………………………………………………………………………….. 158
4.4.2
CREATING DIMENSIONAL TOLERANCES
……………………………………………………………………………………….. 160
4.4.3
CREATING ISO TOLERANCES
………………………………………………………………………………………………………..
164
4.5 GEOMETRIC TOLERANCES
……………………………………………………………………………………………………………….
169
4.5.1
SETTING UP GEOMETRIC TOLERANCE REFERENCES
………………………………………………………………………… 171
4.5.2
CREATING GEOMETRIC TOLERANCES
……………………………………………………………………………………………
173
4.6 DRAWING SYMBOLS
………………………………………………………………………………………………………………………
181
4.6.1
SURFACE FINISH SYMBOLS
………………………………………………………………………………………………………….
182
4.6.2
CUSTOM SYMBOLS
……………………………………………………………………………………………………………………
187
4.7 ASSEMBLY DRAWINGS
…………………………………………………………………………………………………………………..
189
4.7.1
CREATING ASSEMBLY DRAWING
………………………………………………………………………………………………….
191
Creo Parametric Basic Modeling
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4.7.2
CREATING ASSEMBLY EXPLODED VIEW
………………………………………………………………………………………… 196
4.7.3
MODIFYING DRAWING VIEW PROPERTIES
……………………………………………………………………………………. 198
4.7.4
ASSEMBLY DRAWING ANNOTATIONS
………………………………………………………………………………………….. 200
5
ADVANCED MODELING
…………………………………………………………………………………………………………….
204
5.1 SPIRAL CUTTER
……………………………………………………………………………………………………………………………..
204
5.1.1
REVOLVE FOR SPIRAL CUTTER BASE
……………………………………………………………………………………………..
205
5.1.2
HELICAL SWEEP
…………………………………………………………………………………………………………………………
207
5.1.3
HELICAL SWEEP FOR FLUTES
……………………………………………………………………………………………………….
209
5.1.4
CREATING DATUM PLANES
…………………………………………………………………………………………………………
214
5.1.5
CREATING POCKET FOR THE INSERT
……………………………………………………………………………………………..
219
5.1.6
CREATING DATUM PLANE FOR
HOLE…………………………………………………………………………………………….
226
5.1.7
CREATING HOLE FOR THE INSERT
…………………………………………………………………………………………………
228
5.1.8
CREATING FLUTE PATTERN
………………………………………………………………………………………………………….
230
5.1.9
CREATING POCKET PATTERN
……………………………………………………………………………………………………….
232
5.1.10
CUTTER MODEL PROPERTIES
…………………………………………………………………………………………………..
236
5.2 SPIRAL CUTTER
ASSEMBLY………………………………………………………………………………………………………………
238
5.2.1
REPEATING COMPONENT PLACEMENT
………………………………………………………………………………………… 245
5.2.2
CENTERED CONSTRAINT
……………………………………………………………………………………………………………..
250
5.3 SPRING MODELING
………………………………………………………………………………………………………………………..
253
6
ADVANCED ASSEMBLY DESIGN
………………………………………………………………………………………………
259
6.1 ASSEMBLY CUT
……………………………………………………………………………………………………………………………..
259
6.2 MECHANISM DESIGN
……………………………………………………………………………………………………………………..
268
6.2.1
MECHANISM DESIGN MODEL
………………………………………………………………………………………………………
270
6.2.2
DYNAMIC GEAR CONNECTIONS
…………………………………………………………………………………………………..
279
6.2.3
CREATING MECHANISM CONNECTIONS
……………………………………………………………………………………….. 282
7
INTELLIGENT FASTENER
………………………………………………………………………………………………………….
296
7.1 ASSEMBLING FASTENERS
………………………………………………………………………………………………………………..
296
8
DATA EXCHANGE
……………………………………………………………………………………………………………………..
302
8.1 IMPORT AND EXPORT FORMATS
……………………………………………………………………………………………………..
302
8.2 FEATURE
RECOGNITION………………………………………………………………………………………………………………….
304
8.2.1
FEATURE RECOGNITION FROM STEP-FILE
……………………………………………………………………………………… 305
8.3 DXF AND DWG
………………………………………………………………………………………………………………………………
309
8.3.1
IMPORT DXF
…………………………………………………………………………………………………………………………….
310
8.3.2
EXPORT DXF
……………………………………………………………………………………………………………………………..
316
8.4 3D PART LIBRARIES
………………………………………………………………………………………………………………………..
321
8.4.1
USING PART LIBRARIES
………………………………………………………………………………………………………………
322
8.4.2
EDITING IMPORT ASSEMBLY
……………………………………………………………………………………………………….
326
Creo Parametric Basic Modeling
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8.4.3
CHECK FOR INTERFERENCES
………………………………………………………………………………………………………..
331
8.4.4
IMPORT DATA DOCTOR
……………………………………………………………………………………………………………..
332
8.5 DIRECT DATA CHANGE
……………………………………………………………………………………………………………………
336
8.5.1
FLEXIBLE MODELING
………………………………………………………………………………………………………………….
339
9
APPENDIX
………………………………………………………………………………………………………………………………….
341
9.1 CREO PARAMETRIC QUICK REFERENCE CARD
……………………………………………………………………. 341
INDEX
…………………………………………………………………………………………………………………………………………….
349