Worm gears
  | 
             Mode  | 
          
             Tool  | 
          
             Tool set  | 
        
| 
             Modes for The Symbol Insertion tool  | 
          
             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 Pop-out tools 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  | 
        

