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Loading...Geometry Creation GibbsCAM
Table of Contents
INTRODUCTION 1
Online Help, Balloons and Prompting .3
System Overview 3
Text Conventions 3
GEOMETRY REFERENCE 5
About Geometry Creation in GibbsCAM 7
Geometry Overview . 9
Free-Form CAD . 9
Geometry Expert 9
Combination . 9
Extracting Geometry From Bodies 10
Working with Geometry .10
Shapes and Connectors .10
Points .10
Features . 11
Making Connections . 11
Open Shapes 12
Circles 12
Breaking Connections (Disconnecting) . 12
Geometry Context Menus . 12
Geometry Palette Interface . 13
Palette Shortcuts 13
Sub-Palettes 13
Smart Selection and Inferred Features . 14
Smart Selection . 14
Inferred Features . 14
Point Sub-Palette 14
Line Sub-Palette 17
Circle Sub-Palette .19
Shape Sub-Palette . 21
Text Creation 21
Offset . 24
Rectangle 24
Polygon 25
Ellipse 25
Gear 26
Cam 28
Curve Sub-Palette 28
Chamfer and Fillet Sub-Palette . 30
Connect/Disconnect 30
Multiple Connections . 31
Overlapping Connections 31
Geometry From Solids Sub-palette .32
Geometry Extraction 32
Hole Extraction 33
Parting Line .33
Outline 34Table of Contents
ii
Geometry Expert . 35
Geometry Expert Interface 35
How Geometry Expert Works . 36
Creating Shapes Using Geometry Expert 36
Creating Features . 36
Feature Types . 36
Geometry Expert Table 37
Expert Aids . 38
Prompting 38
Auto Delete . 39
Error Balloons . 39
Additional Information 39
Defaults . 39
Point Selection 39
Half Points . 39
Floating Features 40
Inserting and Deleting Rows 40
Arcs vs. Fillets 40
-R Creation .41
Via Geometry Expert 41
Via Free-Form CAD .41
Dimensioning . 42
Workgroups 44
Workgroup List 44
Background Workgroups . 44
Workgroup Right Mouse Menu 45
Level 1 Interface and Workgroups . 46
Workgroup Summary . 47
Coordinate Systems 47
3D Geometry 48
Printing the Part Geometry 48
FREE-FORM EXERCISES 49
Exercise 1: Shapes and Connectors .51
Creating Shapes 52
Part Setup 52
Geometry Basics 53
Axis Lines 53
Tangent Circle to Lines . 54
Explicit Point . 56
Angled Line Through a Point 57
Connecting Lines – 1 . 58
Connecting Lines – 2 . 58
Circle with Radius and Center Point 58
Breaking Connections – 1 . 59
Breaking Connections – 2 . 59
Connecting a Circle and Line – 1 . 60
Connecting a Circle and Line – 2 . 60
Reversing Arcs 61
Terminating Points 61
Exercise 2: Mill Tutorial . 63Table of Contents
iii
Setting up the Part . 63
Creating The Geometry 63
Multiple Explicit Points 63
Radius and Center Point Circles . 64
Labels . 65
Line Tangent to Two Circles – 1 67
Arc – Tangent to Two Circles – 1 . 68
Tangent Line from Point – Circle . 70
Parallel Line . 71
Connecting a Circle and Line 72
Duplicating Geometry . 72
Line Tangent to Two Circles – 2 .73
Arc – Tangent to Two Circles – 2 . 74
Line Between Two Points . 74
Reversing Arc Direction 76
Arc – Tangent to a Line and Circle . 76
Selecting a Shape . 77
Boss Geometry 77
Exercise 3: Lathe Tutorial . 79
Geometry for Lathe Parts 79
Setting Up the Part 79
Creating Geometry . 80
Face 80
OD 81
Backface . 92
ID 94
Explicit Connect 97
Closing the Shape . 97
Adding Fillets 97
Adding a Chamfer . 99
Exercise 4: Shuttle . 99
OD . 99
Exercise 5: Text Creation 107
Horizontal Text 107
Left Justified . 107
Centered .109
Vertical Text . 110
Text On An Arc .111
Exercise 6: Gear Creation . 113
Creating a Gear 113
Exercise 7: Overlapping Features . 115
Overlapping Connections 116
Circles . 116
GEOMETRY EXPERT EXERCISES 125
Exercise 1: Shaft . 127
Horizontal and Vertical Lines 127
Exercise 2: Chassis . 138
Chamfers and Fillets 138
Exercise 3: Shuttle . 155
Arcs and Angled Lines 155Table of Contents
iv
Mill Users 155
Exercise 4: Lathe Tutorial 160
Lathe Tutorial . 160
Implicit Angle Tangent Line .165
Exercise 5: Doodle 166
Editing Free-Form Geometry 166
Loading Free-Form Geometry 167
Inserting a Row . 168
COMBINATION EXERCISES 171
Exercise 1: Using Geometry Expert to Modify Shapes .173
Mill Tutorial .173
Changing the Shape .173
Lathe Tutorial 176
Changing the Shape .176
Exercise 2: Mill Tutorial .178
Mill Tutorial .178
Extracting a Center Point of a Circle 181
Boss Geometry 187
Exercise 3: Gear Housing . 190
Advanced Tutorial . 190
About the Part . 190
Outer Shape 191
Inner Shapes .193
PART PRINTS 195
APPENDIX 205
Interface . 207
Workgroups . 207
Not Included In Level 1 . 207
INDEX 20
NUMERICS
2d Rotate: 46
A
Active Workgroup: 44
Air Geometry: 12
Arc, Alternate Solutions: 41
Auto Clearance: 45
AutoShape
Curve: 28
Ellipse: 25
Gear: 26
Offset: 24
Polygon: 25
Rectangle: 24
B
Balloons: 3
Bolt Circle Creation: 15
B-Spline: 29
Button
AutoShape, Cam: 28
AutoShape, Ellipse: 25
AutoShape, Gear: 26
AutoShape, Offset Shape: 24
AutoShape, Polygon: 25
AutoShape, Rectangle: 24
AutoShape, Text Creation: 21
Cam: 28
Circle, Point & Center Point: 19
Circle, Radius & Center Point: 19
Circle, Radius & Two Points: 20
Circle, Three Features: 20
Connect/Disconnect: 11–12, 30
Geometry Expert: 37
Line, Axis: 18
Line, Between Two Points: 18
Line, Mouse Line: 19
Line, Parallel and Offset: 18
Line, Perpendicular: 18
Line, Tangent-Angle: 18
Point, Bolt Circle: 15
Point, Center Point: 16
Point, Matrix Point: 16
Point, Mid-Point: 16
Point, Mouse Point: 17
Point, Point on Arc: 16
Point, Point-Angle: 18
Point, Polar Point: 15
Return: 13
Workgroup Selection: 44
C
CAD
Combination: 9
Free-Form: 9
Free-form: 13
Geometry Expert: 9
Calculate Gear Values: 27
CAM: 7
Cam
CW or CCW: 28
End Angle: 28
End Radius: 28
Motion Type: 28
Start Angle: 28
Start Radius: 28
Tolerance: 28
Cam Creation: 28
Center Point Creation: 16
Centripetal (curve): 30
Chamfer: 160, 169
defined by Depth: 30
defined by Length: 30
defined by Side: 30
Chamfer Creation: 30
Chamfer-Fillet sub-palette: 30
Change CS (HVD) of Visible WGs: 46
Change CS (XYZ) of Visible WGs: 46
Change to CS: 12
Chord Length (curve): 29
Circle
Connecting: 12
Point and Center Point: 19Index
212
Radius & Center Point: 19
Radius & Two Points: 20
Three Features: 20
Circle sub-palette: 19
Circle, Tangent to
a Line and a Circle: 20
a Line and a Point: 20
Two Circles: 20
Two Lines: 20
Circles: 12–13
Circularity Tolerance: 33
Closed Shapes: 10
Comment, Part: 53
Connect / Disconnect: 12
Connect & Disconnect Geometry: 11–13, 30
Connect/Disconnect button: 12, 30
Connecting Features: 11
Connections, Breaking: 12
Connections, Multiple: 31
Connector: 9
Construction Geometry: 9
CP (Center Point): 13
Crosshair, connecting points: 32
Curve
Blending Method: 29
Close Shape: 29
Control Point: 29
Curve Fit: 29
Line Fit: 29
Curve sub-palette: 28
Curve Type
Centripetal: 29
Chord Length: 29
Foley’s: 29
Uniform: 29
D
Delete, workgroup: 45
Descriptor Point: 13, 82
Descriptor point: 67
Design CAD: 7
Dimension Labels: 13
Disconnecting Geometry: 12, 30
Duplicate option: 73
Duplicate Visible WGs: 45
E
Edge Loop: 33
Explicit Point Creation: 14
F
Feature
Connected: 11
Definition: 11
Terminated: 12
Trimmed: 11
Unconnected: 11
Feature Type: 36
Feature Type, Geo. Expert: 37
Features: 11
Fillet button: 30
Fillet Creation: 13, 30
Fillet Radius on Rectangle: 24
Floating Feature: 157
Foley’s (curve): 30
Fonts: 21, 108
Force Depth: 46
G
G-code: 53
Gear
Addendum: 27
Dedendum: 27
Full # Teeth: 27
Involute Curve: 27
Involute Curve Sample Points: 27
Involute Curve Tolerance: 27
Pressure Angle: 26
Root Fillet: 27
Space Width: 27
Top Fillet: 27
Type: 27Index
213
Gear Creation: 26
Geometry
Chamfers: 9
Circles: 9
Connections: 11
Connector: 9
Curves: 9
Definition: 9
Fillets: 9
From Solids: 32
Lines: 9
Points: 9
Printing: 48
Terminate: 30
Geometry Creation palette: 9, 13
Geometry Expert: 9, 35–36, 38–39, 41
Angle/Radius: 37
Arcs vs. Fillets: 40
Auto Delete: 39
Close Shape: 137
Defaults: 39
EP Xd/Xr (Y): 37
EP Z (X): 37
Error Balloons: 39
Feature Type: 37
Fillet: 40, 161
Floating Features: 40
Half Points: 39
Inserting and Deleting: 40
Length: 38
LP/CP Xd/Xr (Y): 38
LP/CP Z (X): 38
Point Selection: 39
Prompting: 38
Reference #: 37
Rows: 40
Using: 36
Geometry Expert button: 37
Geometry Extraction: 32
Geometry, Part Geometry: 9
H
Half Point: 128
Help: 3
Hole Extraction: 33
I
Inferred Features: 14
L
Labels: 65, 81
Layer, see Workgroup
Line
Between two points: 18
Mouse: 19
Parallel Offset: 18
Parallel to Axis: 18
Perpendicular: 18
Tangent Feature at an Angle: 18
Through Point at an Angle: 18
Line sub-palette: 17
Line, Tangent to
a Point and a Circle: 19
Two Circles: 19
M
Machine Type: 52
Material Only: 45
Material Selection: 53
Matrix Point Creation: 16
MDD (Machine Definition Document): 52
Mid-Line Point Creation: 16
Mirror: 46
Moorpark font: 108
Mouse Point Creation: 17
Mouse Position: 12
Multiple Points button: 13
N
New WG: 44–45Index
214
O
Offset Shape Creation: 24
Online Help: 3
Open: 173
Open Shape: 61
Open Shapes: 10, 12
Orientation, of gear: 27
Outline: 34
Overlapping Connections: 31
P
P (Point): 13
Palette
AutoShape: 21
Geometry Creation: 9, 13
Line: 17
Point: 14
Top Level: 3
Part Creation: 3
Part File: 173
Part Stock: 45
Parting Line: 33
PDFs: 3
Point on Arc Creation: 16
Point Selection dialog: 31
Point sub-palette: 14
Point, Connector: 56
Point, Tangent to Two Features: 17
Points: 9–10, 13
Polar Point Creation: 15
Polygon Creation: 25
Printing Preferences: 48
Printing the Part: 48
Prompting: 3
R
–R function: 12
–R Geometry: 41–42
Reference # (Label): 37
Return button: 13
Reverse Arc: 12, 41
Reverse Arcs in Visible WGs: 46
S
Scale: 46
Segment Spline: 46
Selection Mode: 13, 43, 55, 58
Shape button: 21
Shape Offset: 24
Shape sub-palette: 21
Shapes
Cams: 21
Ellipses: 21
Gears: 21
Offset: 21
Polygons: 21
Rectangles: 21
Text: 21
Single Point button: 13
Smart Selection: 14
Solids: 13
Sort: 46
Splines: 9, 21, 33
Stock Size: 80, 127
Sub-Palettes: 13
T
Tangent Features, creation: 14
Terminating Lines: 19
Terminators: 9
Text
Along an Arc: 22
Flow: 23
Flow Tab: 23
Justification: 21
Multiple Line Direction: 23
Radial Alignment: 22
Setting position of: 21
Shapes: 23
Size: 21Index
215
Spacing Tab: 23
Straight Alignment: 22
Text Creation: 21
Text Spacing: 109
Text tab: 21
Top Level palette: 3
Translate: 46
TrueType: 21, 108
U
Uniform (curve): 29
Use Intersection: 158
W
Wall Geometry: 12
WG Info: 45
Workgroup: 44
List: 44
Workgroup Info: 13, 46
Workgroup List: 13, 46
Workgroup Summary: 47
Workgroup, duplicate: 45
Workgroups
Background: 44
Workspace Stock: 127
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