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ISO 21771:2007

Current
Current

The latest, up-to-date edition.

Gears — Cylindrical involute gears and gear pairs — Concepts and geometry
Available format(s)

Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users

Language(s)

English

Published date

08-28-2007

Publisher

International Organization for Standardization

ISO 21771:2007 specifies the geometric concepts and parameters for cylindrical gears with involute helicoid tooth flanks. Flank modifications are included. It also covers the concepts and parameters for cylindrical gear pairs with parallel axes and a constant gear ratio, which consist of cylindrical gears according to it. Gear and mating gear in these gear pairs have the same basic rack tooth profile.

DevelopmentNote
Supersedes ISO/DIS 21771 and ISO TR 4467. (08/2007)
DocumentType
Standard
Pages
83
PublisherName
International Organization for Standardization
Status
Current
Supersedes

Standards Relationship
NEN ISO 21771 : 2007 Identical
DIN ISO 21771:2014-08 Identical
BS ISO 21771:2007 Identical
DIN ISO 21771 E : 2014 Identical

BS EN 61400-4:2013 Wind turbines Design requirements for wind turbine gea
11/30210938 DC : 0 BS EN 61400-4 - WIND TURBINES - PART 4: DESIGN REQUIREMENTS FOR WIND TURBINE GEARBOXES
11/30229116 DC : 0 BS ISO 1328-1 - CYLINDRICAL GEARS - ISO SYSTEM OF TOLERANCE CLASSIFICATION - PART 1: DEFINITIONS AND ALLOWABLE VALUES OF DEVIATIONS RELEVANT TO CORRESPONDING FLANKS OF GEAR TEETH
DIN 3970 E : 2010 MASTER GEARS FOR CHECKING CYLINDRICAL GEARS - GEAR BLANKS AND GEARING
ISO/TR 10064-1:2017 Code of inspection practice Part 1: Measurement of cylindrical gear tooth flanks
PD ISO/TR 15144-2:2014 Calculation of micropitting load capacity of cylindrical spur and helical gears Examples of calculation for micropitting
ISO/TR 6336-30:2017 Calculation of load capacity of spur and helical gears — Part 30: Calculation examples for the application of ISO 6336 parts 1,2,3,5
VDI 2736 Blatt 1:2016-07 Thermoplastic gear wheels - Materials, material selection, production methods, production tolerances, form design
I.S. EN 61400-4:2013 WIND TURBINES - PART 4: DESIGN REQUIREMENTS FOR WIND TURBINE GEARBOXES (IEC 61400-4:2012 (EQV))
BS ISO 1328-1:2013 Cylindrical gears. ISO system of flank tolerance classification Definitions and allowable values of deviations relevant to flanks of gear teeth
DIN 3970:2010-04 Master gears for checking cylindrical gears - Gear blanks and gearing
ISO/TR 15144-2:2014 Calculation of micropitting load capacity of cylindrical spur and helical gears Part 2: Examples of calculation for micropitting
ISO 1328-1:2013 Cylindrical gears — ISO system of flank tolerance classification — Part 1: Definitions and allowable values of deviations relevant to flanks of gear teeth
PD ISO/TR 10064-1:2017 Code of inspection practice Measurement of cylindrical gear tooth flanks
PD ISO/TR 6336-30:2017 Calculation of load capacity of spur and helical gears Part 30: Calculation examples for the application of ISO 6336 parts 1,2,3,5
UNE-EN 61400-4:2013 Wind turbines - Part 4: Design requirements for wind turbine gearboxes
PD ISO/TR 15144-1:2014 Calculation of micropitting load capacity of cylindrical spur and helical gears Introduction and basic principles
ISO/TR 15144-1:2014 Calculation of micropitting load capacity of cylindrical spur and helical gears Part 1: Introduction and basic principles
EN 61400-4:2013 Wind turbines - Part 4: Design requirements for wind turbine gearboxes

ISO 1328-2:1997 Cylindrical gears ISO system of accuracy Part 2: Definitions and allowable values of deviations relevant to radial composite deviations and runout information
ISO 701:1998 International gear notation Symbols for geometrical data
DIN 867:1986-02 BASIC RACK FOR INVOLUTE TEETH OF CYLINDRICAL GEARS FOR GENERAL ENGINEERING AND HEAVY ENGINEERING
ISO 1328-1:2013 Cylindrical gears — ISO system of flank tolerance classification — Part 1: Definitions and allowable values of deviations relevant to flanks of gear teeth
ISO/TR 10064-3:1996 Code of inspection practice Part 3: Recommendations relative to gear blanks, shaft centre distance and parallelism of axes
ISO/TR 10064-2:1996 Code of inspection practice Part 2: Inspection related to radial composite deviations, runout, tooth thickness and backlash
AGMA 2002 : B TOOTH THICKNESS AND BACKLASH MEASUREMENT OF CYLINDRICAL INVOLUTE GEARING
ISO 53:1998 Cylindrical gears for general and heavy engineering Standard basic rack tooth profile
ISO 54:1996 Cylindrical gears for general engineering and for heavy engineering — Modules
ISO/TR 10064-1:2017 Code of inspection practice Part 1: Measurement of cylindrical gear tooth flanks

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Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
Hardcopy - English
PDF - English
PDF 3 Users - English
PDF 5 Users - English
PDF 9 Users - English
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