International standards

ISO Metric gear standards
Standard Description
ISO 53:1974 Cylindrical gears for general end heavy engineering -Basic: rack
ISO 54:1977 Cylindrical gears for general end heavy engineering -Modules and diametral pitches
ISO 677:1978 Straight bevel gears for general end heavy engineering -Basic: rack
ISO 678:1978 Straight bevel gears for general end heavy engineering -Modules end diametral pitches
ISO 701:1976 International gear notation -symbols for geometrical data
ISO 1122-1:1983 Glossary of gear terms -Part 1: Geometrical definitions
ISO 1328:1975 Parallel involute gears -ISO system of accuracy
ISO 1340:1976 Cylindrical gears – Information to be given to the manufacturer by the purchaser in order to obtain the gear required
ISO 1341:1976 Straight bevel gears – Information to be given to the manufacturer by the purchaser in order to obtain the gear required
ISO 2203:1973 Technical drawings – Conventional representation of gears
ISO 2490:1975 Single-start solid (monobloc) gear hobs with axial keyway, 1 to 20 moduleand 1 to 20 diametral pitch – Nominal dimensions
ISO/TR 4487:1982 Addendum modification of the teeth of cylindrical gears for speed reducing and speed increasing gear pairs
ISO 4468:1982 Gear hobs – Single start – Accuracy requirements
ISO 8579-1:1993 Acceptance code for gears -Part 1: determination of airborne sound power levels emitted by gear units
ISO 8579-2:1993 Acceptance code for gears -Part 2: determination of mechanical vibrations of gear units during acceptance testing
ISO/TR 10064-1:1992 Cylindrical gears – Code of inspection practice -Part 1: inspection of corresponding flanks of gear teeth

 

AUSTRALIAN Metric gear standards
Standard Description
AS B 62 1965 Bevel gears
AS B 66 1969 Worm gears (inch series)
AS B 214 1966 Geometrical dimensions for worm gears units
AS B 217 1966 Glossary for gearing
AS 1637 International gear notation symbols for geometric data (similar to ISO 701)

 

French Metric gear standards
Standard Description
NF E 23-001 1972 Glossary of gears (similar to ISO 1122)
NF E 23-002 1972 Glossary of worm gears
NF E 23-005 1965 Gearing – Symbols (similar to ISO 701 )
NF E 23-006 1967 Tolerances for spur gears with involute teeth (similar to ISO 1328)
NF E 23-012 1972 Cylindrical gears for general and heavy engineering -Basic rack and modules (similar to ISO 467 and ISO 53)
NF E 23-011 1972 Cylindrical gears – Information to be given to the manufacturer by the producer
NF L 32-611 1955 Calculating spur gears to NF L 32-610

 

GERMAN DIN Metric gear standards
Standard Description
DIN 37 Conventional and simplified representation of gears and gear pairs
DIN 780 Pt1 Series of modules for gears – Modules for spur gears
DIN 780 Pt2 Series of modules for gears – Modules for cylindrical worm gear transmissions
DIN 867 Basic rack tooth profiles for involute teeth of cylindrical gears for general and heavy engineering
DIN 868 General definitions and specification factors for gears, gear pairs and gear trains
DIN 3961 Tolerances for cylindrical gear teeth bases
DIN 3962 Pt1 Tolerances for cylindrical gear teeth – Tolerances for deviations of individual parameters
DIN 3962 Pt2 Tolerances for cylindrical gear teeth. – Tolerances for tooth trace deviations
DIN 3962 Pt3 Tolerances for cylindrical gear teeth – Tolerances for pitch-span deviations
DIN 3963 Tolerances for cylindrical gear teeth – Tolerances for working deviations
DIN3964 Deviations of shaft center distances and shaft position tolerances of casings for cylindrical gears
DIN 3965 Pt1 Tolerances of bevel gears- Basic concepts
DIN 3965 Pt2 Tolerances of bevel gears -Tolerances for individual parameters
DIN 3965 Pt3 Tolerances of bevel gears -Tolerances for tangential composite errors
DIN 3965 Pt4 Tolerances of bevel gears -Tolerances for shaft angle errors and axes intersection point deviations
DIN 3966 Pt1 Information on gear teeth in drawings – Information on involute teeth for cylindrical gears
DIN 3966 Pt2 Information on gear teeth in drawings – Information on straight bevel gear teeth
DIN 3967 System of gear fits – Backlash, tooth thickness allowances, tooth thickness tolerances principles
DIN3970Pt1 Master gears for checking spur gears – Gear blank and tooth system
DIN3970Pt2 Master gears for checking spur gears – Receiving arbors
DIN 3971 Definitions and parameters for bevel gears and bevel gear pairs
DIN 3972 Reference profiles of gear-cutting tools for involute tooth systems according to DIN 867
DIN 3975 Terms and definitions for cylindrical worm gears with shaft angle 90°
DIN 3976 Cylindrical worms – Dimensions, correlation of shaft center distances and gear ratios of worm gear drives
DIN3977 Measuring element diameters for the radial or diametral dimension for testing tooth thickness of cylindrical gears
DIN 3978 Helix angles for cylindrical gear teeth
DIN 3979 Tooth damage on gear trains – Designation, characteristics, causes
DIN 3993 Pt1 Geometrical design of cylindrical internal involute gear pairs -Basic rules
DIN 3993 Pt2 Geometrical design of cylindrical internal involute gear pairs – Diagrams for geometrical limits of internal gear-pinion matings
DIN 3993 Pt3 Geometrical design of cylindrical internal involute gear pairs – Diagrams for the determination of addendum modification coefficients
DIN 3993 Pt4 Geometrical design of cylindrical internal involute gear pairs – Diagrams for limits of internal gear-pinion type cutter matings
DIN 3998 Suppl1 Denominations on gear and gear pairs – Alphabetical index of equivalent terms
DIN 3998 Pt1 Denominations on gears and gear pairs -General delinitions
DIN 3998 Pt2 Denominations on gears and gear pairs – Cylindrical gears and gear pairs
DIN 3998 Pt3 Denominations on gears and gear pairs – Bevel and hypoid gears and gear pairs
DIN 3998 Pt4 Denominations on gears and gear pairs – Worm gear pairs
DIN 58405 Pt1 Spur gear drives for line mechanics – Scope, definitions, principal design data, classification
DIN 58405 Pt2 Spur gear drives for line mechanics – Gear fit selection, tolerances, allowances
DIN 58405 Pt3 Spur gear drives for line mechanics -Indication in drawings, examples for calculation
DIN 58405 Pt4 Spur gear drives for line mechanics -Tables
DIN lSO 2203 Technical Drawings- Conventional representation of gears

 

ITALIAN Metric gear standards
Standard Description
UNI 3521 Gearing – Module series
UNI 3522 Gearing -Basic rack
UNI 4430 Spur gear – Order information for straight and bevel gear
UNI 4760 Gearing – Glossary and geometrical definitions
UNI 6586 Modules and diametral pitches of cylindrical and straight bevel gears for general and heavy engineering (corresponds to ISO 54 and 678)
UNI 6587 Basic rack of cylindrical gears for standard engineering (corresponds to ISO 53)
UNI 6586 Basic rack of straight bevel gears for general and heavy engineering (corresponds to ISO 677)
UNI 6773 International gear notation -Symbols for geometrical data (corresponds to ISO 701 )

 

JAPANESE Metric gear standards
Standard Description
B0003 Drawing office practice for gears
B0102 Glossary of gear terms
B1701 Involute gear tooth profile and dimensions
B1702 Accuracy for spur and helical gears
B1703 Backlash for spur and helical gears
B1704 Accuracy for bevel gears
B1705 Backlash for bevel gears
B1721 Shapes and dimensions of spur gears for general engineering
B1722 Shape and dimensions of helical gears for general use
B1723 Dimensions of cylindrical worm gears
B1741 Tooth contact marking of gears
B1751 Master cylindrical gears
B1752 Methods of measurement of spur and helical gears
B1753 Measuring method of noise of gears
B4350 Gear cutter tooth profile and dimensions
B4351 Straight bevel gear generating cutters
B4354 Single thread hobs
B4355 Single thread fine pitch hobs
B4356 Pinion type cutters
B4357 Rotary gear shaving cutters
B4358 Rack type cutters

 

GREAT BRITISH Metric gear standards
Standard Description
BS235 Specification of gears for electric traction
BS436 Pt1 Spur and helical gears – Basic rack form, pitches and accuracy (diametral pitch series)
BS 436 P12 Spur and helical gears – Basic rack form, modules and accuracy (1 to 50 metric module)
BS 436 P13 (Parts 1 & 2 related but not equivalent with ISO 53, 54, 1328, 1340 & 1341.) Spur gear and helical gears – Method for calculation of contact and root bending stresses, limitations for metallic involute gears (related but not equivalent with ISO I DIS 6336 /1, 2 & 3)
BS 721 P11 Specification for worm gearing – Imperial units
BS721 P12 Specification for worm gearing – Metric units
BS 978 P11 Specification for line pitch gears – Involute spur and helical gears
BS 978 P12 Specification for line pitch gears – Cycloidal type gears
BS 978 P13 Specification for line pitch gears – Bevel gears
BS 978 P14 Specification for line pitch gears – Hobs and cutters
BS 1807 Specification for marine propulsion gears and similar drives: metric module
BS 2007 Specification for circular gear shaving cutters, 1 to 8 metric module, accuracy requirements
BS 2062 Pt1 Specification for gear hobs – Hobs for general purpose: 1 to 20 d.p., inclusive
BS 2062 Pt2 Specification for gear hobs – Hobs for gears for turbine reduction and similar drives
BS 2518 Pt1 Specification for rotary form relieved gear cutters – Diametral pitch
BS 2518 Pt2 Specification for rotary relieved gear cutters – Metric module
BS 2519 Pt1 Glossary for gears – Geometrical definitions.
BS 2519 Pt2 Glossary for gears -Notation (symbols for geometrical data for use in gear rotation).
BS 2697 Specification for rack type gear cutters
BS 3027 Specification for dimensions of worm gear units
BS 3696 Pt1 Specification for master gears – Spur and helical gears (metric module)
BS 4517 Dimensions of spur and helical geared motor units (metric series)
BS 4582 Pt1 Fine pitch gears (metric module) – Involute spur and helical gears
BS 4582 Pt2 Fine pitch gears (metric module) -Hobs and cutters
BS 5221 Specifications for general purpose, metric module gear hobs
BS 5246 Specifications for pinion type cutters for spur gears -1 to 8 metric module
BS 6168 Specification for non-metallic spur gears