34.2.2. Rocker Arm
The user can create Rocker Arm as 4 types.
34.2.2.1. Properties
Ref Parametric Marker: Controls the position of Rocker Arm. It is also special parametric marker (SPM).
Type of Rocker Arm: Selects the type of Rocker Arm. It defines the connection method between multi bodies.
Material Type: Selects a material type. Three method are supported. For more information, click here.
Rocker Arm Geometry Property: Defines some geometry data and property data for Rocker Arm. Cam Roller and Slipper types are supported and the type can be selected in Valve Global Data dialog box.
Each Rendering: The selected mode can be displayed in Each Render mode.
34.2.2.1.1. Type of Rocker Arm
Rigid Type
All multi bodies are connected by fixed joint. It acts like one body.
Torsional & Bending Type
Multi bodies are connected by Bushing Force. It acts like flexible body.
Bushing Property: If Torsional & Bending type of Rocker Arm is selected, this function is activated and defines bushing property data. For more information, refer to Bushing Force.
Beam Type
Multi bodies are connected by Beam Force. It acts like flexible body.
Beam Property: If Beam type of Rocker Arm is selected, this function is activated and defines beam force property data. For more information, refer to Beam Force.
34.2.2.1.2. Rocker Arm Geometry Property
Arm Partial Shaft Outer Diameter: Defines an outer diameter of Arm Partial Shaft.
Arm Partial Shaft Inner Diameter: Defines an inner diameter of Arm Partial Shaft.
Arm Length for Cam Side: Defines a length of arm for Cam Side.
Arm Thickness of Cam Side: Defines a thickness of arm for Cam Side.
Arm Length: Defines a length of arm for Valve Side.
Arm Thickness: Defines a thickness of arm for Valve Side.
AS Diameter: Defines a diameter of Adjust Screw.
AS Axial Pos: Defines an axial position of Adjust Screw.
VS Length: Defines a length of Valve Slipper.
VS Width: Defines a width of Valve Slipper.
34.2.2.1.2.1. CamRoller Type
CamRoller – CamRollerShaft
Constraint Bearing
Type
Spherical Joint Type: For more information, refer to Spherical Joint.
Cylindrical Joint Type: For more information, refer to Cylindrical Joint.
Revolute Joint Type: For more information, refer to Revolute Joint.
Friction
Standard Friction
Empirical Formula
Bushing Bearing
Friction
Standard Friction
Empirical Formula
CamRollerShaft – CamRollerShaftBearing
Fixed Joint
Bushing
Friction
Standard Friction
Empirical Formula
Cam Roller
Cam Roller Shaft
Cam Roller Shaft Bearing
34.2.2.1.2.2. Slipper Type
Slipper
Length: Defines a length of the slipper.
Width: Defines a width of the slipper.