Worm GearsWorm Gears
To insert a worm gear:
Click the Worm Gear tool from the Machine Components tool set.
Click to place the object in the drawing, and click again to set the rotation.
The first time you use the tool in a file, a properties dialog box opens. Set the default properties, and click OK. The properties can be edited from the Object Info palette.
Click to show/hide the parameters.
Parameter |
Description |
Circular Pitch |
Enter the circular pitch |
Number of Teeth |
Enter the number of teeth |
Pitch Diameter (Ref.) |
Displays the pitch diameter of the gear, based on the pitch and number of teeth |
Pressure Angle (deg.) |
Select the pressure angle in degrees |
Number of Starts (Worm) |
Select the number of starts of the worm |
Pitch Dia (Worm) |
Specify the worm pitch diameter |
Tooth Profile |
Select the type of tooth profile
|
Face Width |
Enter the width of the gear face |
Draw Recess (2D only) |
Select Draw Recess to draw a recessed web, and specify the 2D parameters |
Web Thickness |
Enter the web thickness |
Recess Diameter |
Enter the recess diameter |
Recess Corner Radius |
Specify the recess corner radius |
Recess Fillet Radius |
Indicate the recess fillet radius |
Draw Hub (2D only) |
Select to include a hub and then specify the 2D parameters |
Hub Diameter |
Enter the hub diameter |
Hub
Projection |
Specify the amount of projection for the hub on both the left and the right; a negative value indicates that the hub face is recessed |
Hub Corner Radius |
Enter the hub corner radius |
Hub Fillet Radius |
Enter the hub fillet radius |
Draw Bore (2D only) |
Select to draw a bore and then specify the 2D parameters |
Bore Diameter (2D and 3D) |
Enter the bore diameter |
Keyway |
If a keyway is present, select the square, rectangular, or custom size; otherwise, select None. The square and rectangular selections apply the ASME-recommended size based on the bore diameter. |
Width/Height |
For custom keyway sizes, enter the width and height values of the keyway |
Web Configuration (2D only) |
Select the gear configuration and then specify the 2D parameters, if any. When Holes is selected, hole size can be specified as a percentage or diameter value.
|
Number |
Indicate the number of holes or spokes for the gear (does not apply to Plain web configurations) |
Size (10 - 100%) |
For Holes (Percent) and Spokes web configurations, enter the percentage of the recess opening occupied by the holes or spokes |
Center Distance |
When Holes is selected for the web configuration, specify the distance between the hole centers |
Hole Diameter |
When Holes is selected for the web configuration, indicate the size of the holes |
View (2D only) |
Select the 2D view
|
Show Center Lines (2D only) |
Select to draw the gear with center lines |
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