Right-click component -> Modify     Shared Dialog Box

Modify Gear Element

Modifies a gear.

For the option: Do the following:

Gear Name

Enter the database name of a gear.

Property File

Example gear property file.

You can:

  • Use an existing property file by specifying the name of the property file that contains the parameter values of the component.

    Tips on entering file names in text boxes.

    When you specify a property file, your template-based product automatically updates the dialog box with the values from the property file.

  • Create a new property file by specifying a new name. When you specify a new name, your template-based product displays the database path that it will use to create the new file.

    Your template-based product always creates a new property file in the default writable database.

Geometry tab
Module* Enter the module of the gear. The module is equal to 1/diametral pitch.
Number of Teeth*

Enter the number of teeth of the gear. The pitch diameter is computed based on the equation:

pitch diameter = module * number of teeth

Tooth Angle* Enter the tooth angle of the gear. This angle is also referred to as the pressure angle. It is used to specify the tooth profile which is based on the involute function.
Helix Angle*

Enter the helix angle of the gear. For straight gears, enter 0.

The helix angle must be: -50d ≤ helix angle ≤ 50d

Gear Width* Enter the width of the gear.
Addendum Factor* Enter the addendum factor. This factor is used to compute the tip (outer) diameter of gear: tip diameter = pitch diameter + 2 * module * (addendum factor + addendum modification coefficient).
Dedendum Factor* Enter the dedendum factor. This factor is used to compute the root (foot) diameter of the gear: root diameter = pitch diameter - 2 * module * (dedendum factor - addendum modification coefficient).
Addendum Mod. Coefficient* Enter the addendum modification coefficient. This coefficient is used to describe the profile shift of the gear and is used as indicated above.
Delta Tooth Thickness* Enter the delta tooth thickness of the gear. This thickness is the deviation of circular thickness at the pitch circle from the standard tooth thickness of an ideal gear.
Mass Properties tab
Mass* Enter the value for the mass of the gear part.
The part is located in the center of the gear, with the z-axis as the rotational axis.
Ixx/Iyy/Izz* Enter the values defining the principal mass-inertia components of the gear part.
Ixy/Izx/Iyz* Enter the values defining the deviational (cross-product) mass-inertia components of the gear part.
CM Location Relative to Part* (optional) Enter the x, y, and z values of the location offset. You can offset the center of mass and inertia markers of the gear part a specified distance from the gear part's location. Learn about markers.

Torsional Spring tab

The following torque function defines the rotational spring-damper: 

T = - az * Torsional Stiffness - wz * Torsional Damping 

where: 

  • az - Angular displacement 
  • wz - Angular velocity
Torsional Stiffness
(optional) 		Enter the stiffness of the rotational spring-damper. The stiffness is in force units * length units/angle units.
Torsional Damping
(optional) 		Enter the damping coefficient of the rotational spring-damper. The damping is in force units * length units * time units/angle units.

Fixed Gear

Select one of the following:

  • Yes - Fixes the gear to the attach part.

  • No - Constrains the gear to the attach part with a rotational joint.

ADAMS/Engine saves this selection in the subsystem file.

Activate Torsional Spring
(enabled if gear is not fixed)

Select one of the following:

  • Yes - Adds a torsional spring to the rotational joint.

  • No - No torque is acting on gear rotational axis.

ADAMS/Engine saves this selection in the subsystem file.

Select to display a dialog box where you can add multi-line comments to any entity, to describe its purpose and function. Your template-based product displays different comments dialog boxes, depending on the entity type for which you want to record comments:

  • If recording comments for modeling entities in Standard Interface, your template-based product displays the Entity Comments dialog box.
  • If recording comments for any other entity type, your template-based product displays the Modify Comment dialog box.

Learn where Adams records comments.

View the specified property file in the info window.
 

Note:* Parameter values are stored in the property file. You can only update these values when Editable is selected.

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