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BS ISO 1328-1:2013

Current
Current

The latest, up-to-date edition.

Cylindrical gears. ISO system of flank tolerance classification Definitions and allowable values of deviations relevant to flanks of gear teeth
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-09-2013

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Application of the ISO flank tolerance
  classification system
5 Tolerance values
Annex A (normative) - Zone-based tolerance
        evaluation
Annex B (normative) - Evaluation of profile and
        helix deviations using the second order
        analysis method
Annex C (informative) - Profile and helix data
        filtering
Annex D (informative) - Sector pitch deviation
Annex E (normative) - Allowable values of runout
Annex F (informative) - Single flank composite testing
Annex G (informative) - Adjacent pitch difference, f[u]
Bibliography

Defines a tolerance classification system relevant to manufacturing and conformity assessment of tooth flanks of individual cylindrical involute gears.

This part of ISO1328 establishes a tolerance classification system relevant to manufacturing and conformity assessment of tooth flanks of individual cylindrical involute gears. It specifies definitions for gear flank tolerance terms, the structure of the flank tolerance class system, and allowable values.

This part of ISO1328 provides the gear manufacturer and the gear buyer with a mutually advantageous reference for uniform tolerances. Eleven flank tolerance classes are defined, numbered 1 to 11, in order of increasing tolerance. Formulae for tolerances are provided in 5.3. These tolerances are applicable to the following ranges:

5 ≤ z ≤ 1000

5mm ≤ d ≤ 15000mm

0,5mm ≤ mn ≤ 70mm

4mm ≤ b ≤ 1200mm

β ≤ 45°

where

d is the reference diameter;
mn is the normal module;
b is the facewidth (axial);
z is the number of teeth;
β is the helix angle.

See Clause4 for required and optional measuring methods.

Gear design is beyond the scope of this part of ISO1328.

Surface texture is not considered in this part of ISO1328. For additional information on surface texture, see ISO/TR10064-4.

Committee
MCE/5
DevelopmentNote
Supersedes 11/30229116 DC. (09/2013)
DocumentType
Standard
Pages
62
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 1328-1:2013 Identical

AGMA 915-1 : A INSPECTION PRACTICES - PART 1: CYLINDRICAL GEARS - TANGENTIAL MEASUREMENTS
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 18653:2003 Gears Evaluation of instruments for the measurement of individual gears
ISO 701:1998 International gear notation Symbols for geometrical data
ISO 14253-1:2017 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 1: Decision rules for verifying conformity or nonconformity with specifications
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
ISO 16610-21:2011 Geometrical product specifications (GPS) — Filtration — Part 21: Linear profile filters: Gaussian filters
ISO 21771:2007 Gears — Cylindrical involute gears and gear pairs — Concepts and geometry
ISO/TS 16610-1:2006 Geometrical product specifications (GPS) Filtration Part 1: Overview and basic concepts
ISO/TR 10064-4:1998 Code of inspection practice Part 4: Recommendations relative to surface texture and tooth contact pattern checking
ISO 17485:2006 Bevel gears ISO system of accuracy
ISO/TR 10064-1:2017 Code of inspection practice Part 1: Measurement of cylindrical gear tooth flanks
ISO/TR 10064-5:2005 Code of inspection practice Part 5: Recommendations relative to evaluation of gear measuring instruments

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