GearRatio is the ratio of the speed of rotation of the powered gear of a gear train to that of the final or driven gear. In most gear types the gear ratio is a constant value. However, gears exist where the ratio can be changed manually or automatically. To address all types of gears the variable GearRatio is defined as optional placeholder.
Backlash is the play between gear input and output shaft. The unit shall be arcminute [arcmin].
TorsionalRigidity is the torsional stiffness of the input shaft if the output shaft is fixed. The unit shall be newton meter/arcminute [Nm/arcmin].
GearInertia is the total inertia of the gearbox seen by the input shaft. The unit shall be kilogram/square centimeter [kg cm²].
TorqueRated is the output torque that the gearbox can deliver continuously. The unit shall be newton meter [Nm].
SpeedRated is the output speed that the gearbox can deliver continuously. The unit shall be revolutions per minute [rpm].
AxialForceMax is the maximum allowable axial force applied to the output shaft of the gearbox. The unit shall be newton [N].
<Efficiency> is the ratio of output to input power of the gear. The unit shall be percent [%].
GearType provides the type of gear. The values of the MultiStateValueDiscreteType variable are defined in Table 77 and shall be used. The values 0-199 are reserved for future extensions of this specification. The values 200-299 shall be used for vendor-specific extensions of this variable.
Table 77 – PtGearAttributesType Attribute values for child Nodes
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Value Attribute |
Description Attribute |
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[ { "Value": 0, "DisplayName": "PLANETARY_GEAR", "Description": "Gearbox with planetary gears" }, { "Value": 1, "DisplayName": "WORM_GEAR", "Description": "Gearbox with worm gear" }, { "Value": 2, "DisplayName": "SPUR_GEAR", "Description": "Gearbox with spur gears" }, { "Value": 3, "DisplayName": "HARMONIC_DRIVE_GEAR", "Description": "Gearbox with harmonic drive gears" }, { "Value": 4, "DisplayName": "SYNCHRONOUS_BELT", "Description": "Gearbox with synchronous belt" }, { "Value": 5, "DisplayName": "V_BELT", "Description": "Gearbox with V-belt" }, { "Value": 6, "DisplayName": "RACK_AND_PINION", "Description": "Gearbox with rack and pinion" }, { "Value": 7, "DisplayName": "SPINDLE_BALLSCREW", "Description": "Gearbox with spindle and ball screw" }, { "Value": 8, "DisplayName": "SPINDLE_THREAD", "Description": "Gearbox with spindle and thread" } ] |
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[ { "Value": 0, "DisplayName": "OTHER", "Description": "Other viscosity grade" }, { "Value": 1, "DisplayName": "ISO_VG_2", "Description": "International Organization for Standardization Viscosity Grade 2" }, { "Value": 2, "DisplayName": "ISO_VG_3", "Description": "International Organization for Standardization Viscosity Grade 3" }, { "Value": 3, "DisplayName": "ISO_VG_5", "Description": "International Organization for Standardization Viscosity Grade 5" }, { "Value": 4, "DisplayName": "ISO_VG_7", "Description": "International Organization for Standardization Viscosity Grade 7" }, { "Value": 5, "DisplayName": "ISO_VG_10", "Description": "International Organization for Standardization Viscosity Grade 10" }, { "Value": 6, "DisplayName": "ISO_VG_15", "Description": "International Organization for Standardization Viscosity Grade 15" }, { "Value": 7, "DisplayName": "ISO_VG_22", "Description": "International Organization for Standardization Viscosity Grade 22" }, { "Value": 8, "DisplayName": "ISO_VG_32", "Description": "International Organization for Standardization Viscosity Grade 32" }, { "Value": 9, "DisplayName": "ISO_VG_46", "Description": "International Organization for Standardization Viscosity Grade 46" }, { "Value": 10, "DisplayName": "ISO_VG_68", "Description": "International Organization for Standardization Viscosity Grade 68" }, { "Value": 11, "DisplayName": "ISO_VG_100", "Description": "International Organization for Standardization Viscosity Grade 100" }, { "Value": 12, "DisplayName": "ISO_VG_150", "Description": "International Organization for Standardization Viscosity Grade 150" }, { "Value": 13, "DisplayName": "ISO_VG_220", "Description": "International Organization for Standardization Viscosity Grade 220" }, { "Value": 14, "DisplayName": "ISO_VG_320", "Description": "International Organization for Standardization Viscosity Grade 320" }, { "Value": 15, "DisplayName": "ISO_VG_460", "Description": "International Organization for Standardization Viscosity Grade 460" }, { "Value": 16, "DisplayName": "ISO_VG_680", "Description": "International Organization for Standardization Viscosity Grade 680" }, { "Value": 17, "DisplayName": "ISO_VG_1000", "Description": "International Organization for Standardization Viscosity Grade 1000" }, { "Value": 18, "DisplayName": "ISO_VG_1500", "Description": "International Organization for Standardization Viscosity Grade 1500" }, { "Value": 19, "DisplayName": "NLGI_000", "Description": "National Lubricating Grease Institute_Class 000" }, { "Value": 20, "DisplayName": "NLGI_00", "Description": "National Lubricating Grease Institute_Class 00" }, { "Value": 21, "DisplayName": "NLGI_0", "Description": "National Lubricating Grease Institute_Class 0" }, { "Value": 22, "DisplayName": "NLGI_1", "Description": "National Lubricating Grease Institute_Class 1" }, { "Value": 23, "DisplayName": "NLGI_2", "Description": "National Lubricating Grease Institute_Class 2" }, { "Value": 24, "DisplayName": "NLGI_3", "Description": "National Lubricating Grease Institute_Class 3" }, { "Value": 25, "DisplayName": "NLGI_4", "Description": "National Lubricating Grease Institute_Class 4" }, { "Value": 26, "DisplayName": "NLGI_5", "Description": "National Lubricating Grease Institute_Class 5" }, { "Value": 27, "DisplayName": "NLGI_6", "Description": "National Lubricating Grease Institute_Class 6" } ] |
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LubricantType provides the type of gear lubricant. The values of the MultiStateValueDiscreteType variable are defined in Table 77 and shall be used. The values 0-199 are reserved for future extensions of this specification. The values 200-299 shall be used for vendor-specific extensions of this variable.
LubricantInterval is the nominal time interval between gear lubrication. The unit shall be days [days].