Select a spur gear to be drawn.

Option

 

Description

Gear list

Select the active gear definition (the one you want drawn) from this list.

Add

Click to add a new gear definition.

Remove

Click to delete the active gear definition. Be aware that there is no undo if you delete a gear definition by accident.

Draw as

Solid line/Hidden line

Select the style in which to draw the gear. Refer to the Mechanical Setup Dialog for details on styles.

Draw options

Draw PCD

Select this option to draw the pitch circle of the gear.

Gear Spec

 

Pressure angle

Enter the pressure angle for the gear in degrees. This value is normally set to 14.5, 20 or 25 degrees.

Number of teeth

Enter the number of teeth the gear must have. Reasonable values are between 4 and 1000.

Module (PCD/no. teeth)

Enter the module of the gear. The gear PCD will be calculated and displayed.

Shaft Spec

Shaft diameter

Enter the shaft diameter in drawing units. Enter 0 if you do not want a shaft to be drawn.

Key width

Enter the width (in drawing units) of the keyway in the gear. Enter 0 if you do not want a keyway to be drawn.

Key depth

Enter the depth (in drawing units) of the keyway in the gear. The depth is measured from the edge of the key.

 

The Draw PCD option is useful for aligning a gear and pinion.