Class CylindricalGearMeshDesign

Inheritance
System.Object
APIBase
GearDesignComponent
GearMeshDesign
CylindricalGearMeshDesign
Implements
System.IEquatable<APIBase>
System.IDisposable
Inherited Members
Namespace: SMT.MastaAPI.Gears.GearDesigns.Cylindrical
Assembly: SMT.MastaAPI.15.0.dll
Syntax
public sealed class CylindricalGearMeshDesign : GearMeshDesign, IEquatable<APIBase>, IDisposable

Properties

AxialContactRatio

Overlap Ratio. When specified this will maintain the transverse profile and change the helix angle to achieve the desired Axial Contact Ratio.

Declaration
public double AxialContactRatio { get; set; }
Property Value
Type Description
System.Double

BacklashSpecification

Declaration
public BacklashSpecification BacklashSpecification { get; }
Property Value
Type Description
BacklashSpecification

BearingSpan

Distance between the bearing centre lines of the pinion shaft.

Measurement: ShortLength

Declaration
public double BearingSpan { get; set; }
Property Value
Type Description
System.Double

BothFlanks

Declaration
public CylindricalGearMeshFlankDesign BothFlanks { get; }
Property Value
Type Description
CylindricalGearMeshFlankDesign

CentreDistance

Measurement: ShortLength

Declaration
public double CentreDistance { get; set; }
Property Value
Type Description
System.Double

CentreDistanceAtTightMeshMaximumMetal

Measurement: ShortLength

Declaration
public double CentreDistanceAtTightMeshMaximumMetal { get; }
Property Value
Type Description
System.Double

CentreDistanceAtTightMeshMinimumMetal

Measurement: ShortLength

Declaration
public double CentreDistanceAtTightMeshMinimumMetal { get; }
Property Value
Type Description
System.Double

CentreDistanceCalculatingGearTeethNumbers

Uses the following relationships: z1 = 2awcos(β) / (R21+1)mn z2=R21z1

Measurement: ShortLength

Declaration
public double CentreDistanceCalculatingGearTeethNumbers { get; set; }
Property Value
Type Description
System.Double

CentreDistanceChangeMethod

When set to Automatic the gears will be moved to a specified centre distance automatically, if possible. If the automatic method fails, or the Manual option is selected the user will be asked to choose how to achieve the specified centre distance.

Declaration
public CentreDistanceChangeMethod CentreDistanceChangeMethod { get; set; }
Property Value
Type Description
CentreDistanceChangeMethod

CentreDistanceWithNormalModuleAdjustment

Scales the normal module with the change in centre distance.

Measurement: ShortLength

Declaration
public double CentreDistanceWithNormalModuleAdjustment { get; set; }
Property Value
Type Description
System.Double

CoefficientOfFriction

The Coefficient of Friction depends on the lubrication type and the material-pairing i.e. plastic/steel, PA/PA, PA/POM, etc. Its values were obtained from Table 2 in VDI 2736-2: 2014.

Declaration
public Overridable<double> CoefficientOfFriction { get; set; }
Property Value
Type Description
Overridable<System.Double>

CylindricalGears

Declaration
public ReadOnlyCollection<CylindricalGearDesign> CylindricalGears { get; }
Property Value
Type Description
System.Collections.ObjectModel.ReadOnlyCollection<CylindricalGearDesign>

CylindricalGearSet

Declaration
public CylindricalGearSetDesign CylindricalGearSet { get; }
Property Value
Type Description
CylindricalGearSetDesign

CylindricalMeshedGear

Declaration
public ReadOnlyCollection<CylindricalMeshedGear> CylindricalMeshedGear { get; }
Property Value
Type Description
System.Collections.ObjectModel.ReadOnlyCollection<CylindricalMeshedGear>

EffectiveFaceWidth

Measurement: ShortLength

Declaration
public double EffectiveFaceWidth { get; }
Property Value
Type Description
System.Double

FaceWidthFactorForExtendedTipContact

Defines the proportion of the effective face width which is considered for potential contact points for extended tip contact. Helical gears only. The default value is calculated using the force at which the static capacity of the gears is reached and the ISO mesh stiffness value.

Declaration
public Overridable<double> FaceWidthFactorForExtendedTipContact { get; set; }
Property Value
Type Description
Overridable<System.Double>

FilterCutoffWavelength

Filter Cutoff Wavelength used in measuring surface roughness

Measurement: ShortLength

Declaration
public double FilterCutoffWavelength { get; set; }
Property Value
Type Description
System.Double

Flanks

Declaration
public ReadOnlyCollection<CylindricalGearMeshFlankDesign> Flanks { get; }
Property Value
Type Description
System.Collections.ObjectModel.ReadOnlyCollection<CylindricalGearMeshFlankDesign>

FrictionLossMultiplier

This is a user-defined constant that can be used to directly scale the power loss in mesh efficiency calculations that use the following models: Velex and Ville, Henriot, Buckingham.

Declaration
public double FrictionLossMultiplier { get; set; }
Property Value
Type Description
System.Double

GearA

Declaration
public CylindricalGearDesign GearA { get; }
Property Value
Type Description
CylindricalGearDesign

GearB

Declaration
public CylindricalGearDesign GearB { get; }
Property Value
Type Description
CylindricalGearDesign

GearMeshDrawing

Declaration
public SMTBitmap GearMeshDrawing { get; }
Property Value
Type Description
SMT.MastaAPIUtility.Scripting.SMTBitmap

HeatDissipatingSurfaceOfHousing

This is the heat dissipating surface of the mechanism housing in m^2 (does not apply in the case of non-enclosed mechanisms).

Measurement: Area

Declaration
public double HeatDissipatingSurfaceOfHousing { get; set; }
Property Value
Type Description
System.Double

HeatTransferResistanceOfHousing

This is the heat transfer resistance of the mechanism housing. Its value depends on the type of housing (closed, open or partially open) and the percentage of openings to the whole surface. Heat Transfer Resistance values for metal housings were obtained from Table 4 in VDI 2736-2.

Measurement: HeatTransferResistance

Declaration
public Overridable<double> HeatTransferResistanceOfHousing { get; set; }
Property Value
Type Description
Overridable<System.Double>

HydraulicLength

Used to calculate Additional ISO 14179-2 No-Load Gear Mesh Losses. By default, this is calculated by using the smallest possible bounding box of the gear pair as the theoretical gearbox dimensions.

Measurement: ShortLength

Declaration
public Overridable<double> HydraulicLength { get; set; }
Property Value
Type Description
Overridable<System.Double>

IncludeAdditionalISO141792NoLoadGearMeshLosses

Not available for planetary or internal gear meshes. Please note that when this option is selected, any other gear windage loss calculations on gears in this mesh will be disabled.

Declaration
public bool IncludeAdditionalISO141792NoLoadGearMeshLosses { get; set; }
Property Value
Type Description
System.Boolean

IsAsymmetric

Declaration
public bool IsAsymmetric { get; }
Property Value
Type Description
System.Boolean

LeftFlank

Declaration
public CylindricalGearMeshFlankDesign LeftFlank { get; }
Property Value
Type Description
CylindricalGearMeshFlankDesign

LubricationMethod

The lubrication method used for scuffing and micropitting calculations.

Declaration
public EnumWithSelectedValue<LubricationMethods> LubricationMethod { get; set; }
Property Value
Type Description
EnumWithSelectedValue<LubricationMethods>

ParameterForCalculatingToothTemperature

Declaration
public double ParameterForCalculatingToothTemperature { get; }
Property Value
Type Description
System.Double

PercentageOfOpeningsInTheHousingSurface

This is the percentage of openings in the housing surface to the whole surface. Its value is zero for open housings and 100% for closed housings.

Measurement: Percentage

Declaration
public double PercentageOfOpeningsInTheHousingSurface { get; set; }
Property Value
Type Description
System.Double

PinionOffsetFromBearing

Distance from the bearing span centre line to the pinion centre mid-face.

Measurement: ShortLength

Declaration
public double PinionOffsetFromBearing { get; set; }
Property Value
Type Description
System.Double

ProfileModification

Used to determine the Load Sharing Factor X_Γ for scuffing.

Declaration
public CylindricalGearProfileModifications ProfileModification { get; set; }
Property Value
Type Description
CylindricalGearProfileModifications

Ratio

Declaration
public double Ratio { get; set; }
Property Value
Type Description
System.Double

ReferenceCentreDistance

Equal to the sum of the reference radii this is the centre distance for 0 sum of addendum modification.

Measurement: ShortLength

Declaration
public double ReferenceCentreDistance { get; }
Property Value
Type Description
System.Double

RelativeToothEngagementTime

Relative Tooth Engagement Time corresponds to the total tooth-engagement time in minutes within a period of ten minutes divided by ten minutes, as per DIN EN 60034*VDE 0530 and VDI 2736-2: 2014.

Measurement: Percentage

Declaration
public Overridable<double> RelativeToothEngagementTime { get; set; }
Property Value
Type Description
Overridable<System.Double>

RightFlank

Declaration
public CylindricalGearMeshFlankDesign RightFlank { get; }
Property Value
Type Description
CylindricalGearMeshFlankDesign

SumOfProfileShiftCoefficient

Declaration
public double SumOfProfileShiftCoefficient { get; }
Property Value
Type Description
System.Double

SurfaceConditionFactor

Used to account for detrimental surface finish effects in pitting resistance calculations.

Declaration
public double SurfaceConditionFactor { get; set; }
Property Value
Type Description
System.Double

TypeOfMechanismHousing

This is a classification of the mechanism housing according to its surface (open, closed or partially open). The type of housing affects its Heat Transfer Resistance as detailed in Table 4 in VDI 2736-2.

Declaration
public TypeOfMechanismHousing TypeOfMechanismHousing { get; set; }
Property Value
Type Description
TypeOfMechanismHousing

UserSpecifiedCoefficientOfFriction

This value is used if User-Specified is selected as the coefficient of friction calculation method.

Declaration
public double UserSpecifiedCoefficientOfFriction { get; set; }
Property Value
Type Description
System.Double

UserSpecifiedToothLossFactor

If the User-Specified Tooth Loss Factor efficiency rating method is selected, the fraction of power lost will be calculated by multiplying this value by the coefficient of friction.

Declaration
public double UserSpecifiedToothLossFactor { get; set; }
Property Value
Type Description
System.Double

ValidNormalModuleRange

Measurement: ShortLength

Declaration
public Range ValidNormalModuleRange { get; }
Property Value
Type Description
Range

WearCoefficientForADrivenPinion

This is the wear coefficient for when pinion is the driven gear. Wear Coefficient value depends also on the gear material combination in the mesh. Default values are taken from pin-on-disk test results in VDI 2736 Parts 1 & 2.

Measurement: WearCoefficient

Declaration
public Overridable<double> WearCoefficientForADrivenPinion { get; set; }
Property Value
Type Description
Overridable<System.Double>

WearCoefficientForADrivingPinion

This is the wear coefficient for when pinion is the driving gear. Wear Coefficient value depends also on the gear material combination in the mesh. Default values are taken from pin-on-disk test results in VDI 2736 Parts 1 & 2.

Measurement: WearCoefficient

Declaration
public Overridable<double> WearCoefficientForADrivingPinion { get; set; }
Property Value
Type Description
Overridable<System.Double>

WorkingDepth

Measurement: ShortLength

Declaration
public double WorkingDepth { get; }
Property Value
Type Description
System.Double

WorkingHelixAngle

Measurement: Angle

Declaration
public double WorkingHelixAngle { get; }
Property Value
Type Description
System.Double

Methods

CenterDistanceFor(Double, Double, Double, Double, Double)

Declaration
public double CenterDistanceFor(double helixAngle, double pressureAngle, double sumOfAddenMod, double sumOfNumberOfTeeth, double normalModule)
Parameters
Type Name Description
System.Double helixAngle
System.Double pressureAngle
System.Double sumOfAddenMod
System.Double sumOfNumberOfTeeth
System.Double normalModule
Returns
Type Description
System.Double

Implements

System.IEquatable<T>
System.IDisposable

Extension Methods