Class ISO2812007Results
Inheritance
Implements
Inherited Members
Namespace: SMT.MastaAPI.Bearings.BearingResults.Rolling.IsoRatingResults
Assembly: SMT.MastaAPI.13.0.dll
Syntax
public abstract class ISO2812007Results : ISOResults, IEquatable<APIBase>
Properties
AxialToRadialLoadRatio
The bearing axial load divided by the radial load. This ratio is used with the 'e' limiting value for dynamic equivalent load to determine the dynamic radial and axial load factors in ISO 281:2007.
Declaration
public double AxialToRadialLoadRatio { get; }
Property Value
Type | Description |
---|---|
System.Double |
AxialToRadialLoadRatioExceedsISO2812007ELimitingValueForDynamicEquivalentLoad
The bearing axial load divided by the radial load exceeds the 'e' limiting value for dynamic equivalent load which is used to determine the dynamic radial and axial load factors in ISO 281:2007.
Declaration
public bool AxialToRadialLoadRatioExceedsISO2812007ELimitingValueForDynamicEquivalentLoad { get; }
Property Value
Type | Description |
---|---|
System.Boolean |
BasicRatingLifeCycles
Number of revolutions which one of the bearing rings or washers makes in relation to the other ring or washer before the first evidence of fatigue develops in the material of one of the rings or washers or one of the rolling elements. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: Cycles
Declaration
public double BasicRatingLifeCycles { get; }
Property Value
Type | Description |
---|---|
System.Double |
BasicRatingLifeDamage
Proportion of the fatigue failure time that is experienced by the bearing i.e. 100% damage occurs at the time to fail. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: Damage
Declaration
public double BasicRatingLifeDamage { get; }
Property Value
Type | Description |
---|---|
System.Double |
BasicRatingLifeDamageRate
The rate of damage i.e. 1/time to fail. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: DamageRate
Declaration
public double BasicRatingLifeDamageRate { get; }
Property Value
Type | Description |
---|---|
System.Double |
BasicRatingLifeReliability
The reliability requirement that would give 100% damage for the bearing. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: Percentage
Declaration
public double BasicRatingLifeReliability { get; }
Property Value
Type | Description |
---|---|
System.Double |
BasicRatingLifeSafetyFactor
The allowable increase/decrease in load in order to get 100% damage. Calculated by converting the damage into a force relationship. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: SafetyFactor
Declaration
public double BasicRatingLifeSafetyFactor { get; }
Property Value
Type | Description |
---|---|
System.Double |
BasicRatingLifeTime
Time before the first evidence of fatigue develops in the material of one of the rings or washers or one of the rolling elements based on the current loading and speed. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: Time
Declaration
public double BasicRatingLifeTime { get; }
Property Value
Type | Description |
---|---|
System.Double |
BasicRatingLifeUnreliability
Failure rate for the bearing, i.e. 1 - Reliability. Basic Rating Life is defined in ISO 281:2007 Sections 5-8. It does not include any life modification factors and so corresponds to a reliability of 10%.
Measurement: Percentage
Declaration
public double BasicRatingLifeUnreliability { get; }
Property Value
Type | Description |
---|---|
System.Double |
CalculatedViscosityRatio
This is the calculated viscosity ratio before any modification for EP Additives. See clause 9.3.3.3.4 of ISO 281:2007.
Declaration
public double CalculatedViscosityRatio { get; }
Property Value
Type | Description |
---|---|
System.Double |
ContaminationFactor
Influences the life modification factor for systems approach. Calculated using Annex A of ISO 281:2007.
Declaration
public double ContaminationFactor { get; }
Property Value
Type | Description |
---|---|
System.Double |
ContaminationFactorFromCalculatedViscosityRatio
This is the contamination factor calculated from the calculated viscosity ratio, i.e. where the viscosity ratio has not been modified for EP Additives. See clause 9.3.3.3.4 of ISO 281:2007. Influences the life modification factor for systems approach. Calculated using Annex A of ISO 281:2007.
Declaration
public double ContaminationFactorFromCalculatedViscosityRatio { get; }
Property Value
Type | Description |
---|---|
System.Double |
DynamicAxialLoadFactor
The dynamic equivalent load in ISO 281:2007 is given by the dynamic radial load factor (X) times the radial load plus the dynamic axial load factor (Y) times the axial load.
Declaration
public double DynamicAxialLoadFactor { get; }
Property Value
Type | Description |
---|---|
System.Double |
DynamicEquivalentLoad
Constant stationary radial or axial load (for radial or axial bearings) under the influence of which a rolling bearing would have the same life as it would attain under the actual load conditions.
Measurement: Force
Declaration
public double DynamicEquivalentLoad { get; }
Property Value
Type | Description |
---|---|
System.Double |
DynamicRadialLoadFactor
The dynamic equivalent load in ISO 281:2007 is given by the dynamic radial load factor (X) times the radial load plus the dynamic axial load factor (Y) times the axial load.
Declaration
public double DynamicRadialLoadFactor { get; }
Property Value
Type | Description |
---|---|
System.Double |
ELimitingValueForDynamicEquivalentLoad
The limiting value of the axial over the radial load for the applicability of different values of the dynamic radial and axial load factors. See ISO 281:2007.
Declaration
public double ELimitingValueForDynamicEquivalentLoad { get; }
Property Value
Type | Description |
---|---|
System.Double |
LifeModificationFactorForSystemsApproach
Takes into account the variation in the life due to the influence of the fatigue stress of the steel, lubrication and contamination conditions and the surface roughness of the element and rings. Calculation of the factor is described in ISO 281:2007 Section 9.
Declaration
public double LifeModificationFactorForSystemsApproach { get; }
Property Value
Type | Description |
---|---|
System.Double |
LifeModificationFactorForSystemsApproachWithCalculatedViscosityRatio
Takes into account the variation in the life due to the influence of the fatigue stress of the steel, lubrication and contamination conditions and the surface roughness of the element and rings. Calculation of the factor is described in ISO 281:2007 Section 9. This value is calculated using the original viscosity ratio before any improvement from the use of EP additives. See section 9.3.3.3.4.
Declaration
public double LifeModificationFactorForSystemsApproachWithCalculatedViscosityRatio { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeCycles
Number of revolutions which one of the bearing rings or washers makes in relation to the other ring or washer before the first evidence of fatigue develops in the material of one of the rings or washers or one of the rolling elements. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: Cycles
Declaration
public double ModifiedRatingLifeCycles { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeDamage
Proportion of the fatigue failure time that is experienced by the bearing i.e. 100% damage occurs at the time to fail. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: Damage
Declaration
public double ModifiedRatingLifeDamage { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeDamageRate
The rate of damage i.e. 1/time to fail. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: DamageRate
Declaration
public double ModifiedRatingLifeDamageRate { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeReliability
The reliability requirement that would give 100% damage for the bearing. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: Percentage
Declaration
public double ModifiedRatingLifeReliability { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeSafetyFactor
The allowable increase/decrease in load in order to get 100% damage. Calculated by converting the damage into a force relationship. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: SafetyFactor
Declaration
public double ModifiedRatingLifeSafetyFactor { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeTime
Time before the first evidence of fatigue develops in the material of one of the rings or washers or one of the rolling elements based on the current loading and speed. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: Time
Declaration
public double ModifiedRatingLifeTime { get; }
Property Value
Type | Description |
---|---|
System.Double |
ModifiedRatingLifeUnreliability
Failure rate for the bearing, i.e. 1 - Reliability. Modified Rating Life is defined in ISO 281:2007 Section 9. It includes the life modification factors for reliability and systems approach.
Measurement: Percentage
Declaration
public double ModifiedRatingLifeUnreliability { get; }
Property Value
Type | Description |
---|---|
System.Double |
ReferenceKinematicViscosity
According to equations (28) and (29) of ISO 281:2007
Measurement: KinematicViscosity
Declaration
public double ReferenceKinematicViscosity { get; }
Property Value
Type | Description |
---|---|
System.Double |
ViscosityRatio
According to ISO 281:2007 a value of 1 shall be used if EP additives are used, when the calculated viscosity ratio is less than 1 and the calculated contamination factor is greater than or equal to 0.2
Declaration
public double ViscosityRatio { get; }
Property Value
Type | Description |
---|---|
System.Double |