Worm gears
Mode |
Tool |
Tool set |
Modes for L’outil Insertion de symbole |
Worm Gears |
Machine Components |
Multiple worm and worm gear tools share the same position on the tool set. Click and hold the mouse on the visible tool to open the Sous-outils list and select the desired tool.
To insert a worm gear:
Click the tool and mode.
Click to place the object, 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 parameters. The parameters can be edited later from the Object Info palette.
Click to show/hide the parameters.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) |
Draws a hub |
Hub Diameter |
Enter the hub diameter |
Hub Projection (Left/Right) |
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) |
Draws a bore |
Bore Diameter (2D and 3D) |
Enter the bore diameter |
Keyway |
If a keyway is present, select the square, rectangular, or custom size. 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) |
Draws the gear with center lines |