Portions of this software © 1998 Camnetics, Inc.
Camnetics, Inc.
926 Autumn Woods Lane
Oregon, WI 53575-3226
Voice: (608) 835-2378
Fax: (608) 835-8702
Email: support@camnetics.com
Web site: http://www.camnetics.com/
Trademarks
GearTrax is a trademark of Camnetics, Inc. All other trademarks used herein are the properties of their respective owners.
Copies and Distribution
You are welcome to make backup copies of this software. You also may distribute freely to other SolidWorks users for demonstration purposes only. This software is protected by registration codes that will work only with a particular SolidWorks serial number. You may use this software legally wherever you are using SolidWorks legally if this software is registered to that SolidWorks serial number. We put a lot of time and effort into creating this product, and we appreciate your support in seeing that it is used by licensed users only.
Made in the USA
Document date: 10/01/2008
Copyright Notice 1
Introduction: GearTrax/SolidWorks Model 4
Starting GearTrax 5
Basic gear geometry and nomenclature 6
Diametral Pitch verses Module 6
Creating a Spur Gear 7
Selecting a Gear Standard 8
ANSI/AGMA Tooth Proportions 8
PGT Tooth Form 9
DIN-867 Standard 9
JIS B 1701-1973 Standard 9
Gear Type Selection 10
Face Width 10
Backlash 10
Topping Adjustment 11
Fillet Radius, Fillet Radius Coefficient 11
True Involute Form Diameter 12
Working Pressure Angle 12
Creating an Enlarged Pinion with a Standard Gear 14
Creating Non-Standard Pitch Spur Gears 15
Creating a Spur Gear Rack 17
Internal Gear Sets 18
Selecting an AGMA Backlash Range for Spur Gears 19
Addendum Modification 19
Addendum Modification Coefficients 20
Tooth Thinning 20
Inserting a Tooth Profile Sketch 21
Approach Length 22
Recess Length 23
Contact Ratio 24
Creating a Helical Gear 25
Transverse diametral pitch verses normal diametral pitch 27
Normal pressure angle verses transverse pressure angle 27
Setting the helix angle by specifying the center distance 27
Creating a Gear Belt Pulley 28
Creating a Bevel Gear 29
Geometry of bevel gear nomenclature. 30
Understanding the Bevel Gear Hub Mounting Distance 30
Recommended Normal Backlash for Bevel Gear Meshes 32
Creating a Chain Sprocket 33
Creating a Belt Pulley 34
Creating a Worm Gear 35
Creating Involute Splines 36
Getting more information about the Spline 37
Creating a Non-Standard Spline 37
Updating a Spline 38
Inserting a Spline Tooth Profile 38
Creating an Excel Data Sheet 39
Reading an Excel Data Sheet 40
Sending the Custom Information to an Excel data sheet 41
Adding a mounting style to the Gear or Pulley 42
Opening and Saving GearTrax files Allows the user to save and open data they have entered for the current tab. 43
Capturing the GearTrax Screen Allows the user to capture the GearTrax screen 44
Modification of Parts 45
To modify an existing part: 46
Setting the Length Units 47
GearTrax Options 48
General Options 49
Fix Involute Sketch 49
Tooth Pattern 50
Auxiliary Sketches 50
NetHASP Check 50
Version Check 51
2d Spline Creation Over ride 51
SolidWorks Version 51
Part Template File 52
Tooth Creation 52
Spur Gear Options 53
Helical Gear Options 54
Bevel Gear Options 55
Sprocket Options 56
Gear Belt Options 57
Belt Pulley Options 58
Worm Gear Options 59
Spline Options 60
Measurements Options 61
How does GearTrax store these values? 61
Calculating a Tooth Thickness 62
Between Pins Example 62
General Formula for Checking External and Internal Spur Gears by Measurement over Pins 64
Selecting a Manufacturing Method for Spur/Helical Gears 65
Select Company Standards for Addendum, Clearance and Fillet Radius Coefficients 66
Calculating Addendum and Clearance Coefficients 67
Inserting a Drawing Annotation 68