BS ISO 18653:2003
Current
The latest, up-to-date edition.
Gears. Evaluation of instruments for the measurement of individual gears
Hardcopy , PDF
English
12-02-2003
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Foreword
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Application
4.1 General
4.2 Traceability
4.3 Artifacts
4.4 Measurement uncertainty
4.5 Sources of uncertainty
4.6 Evaluation interval
5 Condition of the measurement system
5.1 System characteristics
5.2 Suitability for calibration
5.3 Table load considerations
5.4 Tooling and gauges
6 Environment
7 Artifacts
7.1 Artifact size and geometry
7.2 Involute artifacts
7.3 Helix artifacts
7.4 Pitch artifacts
7.5 Runout artifacts
7.6 Tooth thickness artifacts
7.7 Workpiece-like artifacts
8 Method for estimating measurement uncertainty
8.1 Methods
8.2 Comparator method
8.3 Calculation of U[95] measurement uncertainty
8.4 Procedure
Annex A (normative) Artifact calibration certificate requirements
Bibliography
Provides methods for the evaluation of measuring instruments used for gear measurements of involute, helix, pitch and runout. Applies both to instruments that measure runout directly and to those that compute it from index measurements. Gives recommendations for the evaluation of tooth thickness measuring instruments and, of necessity, includes the estimation of measurement uncertainty with the use of calibrated gear artifacts.
| Committee |
MCE/5
|
| DevelopmentNote |
Supersedes 02/707905 DC (01/2004)
|
| DocumentType |
Standard
|
| Pages |
26
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
| Supersedes |
This International Standard specifies methods for the evaluation of measuring instruments used for gear measurements of involute, helix, pitch and runout. It is applicable both to instruments that measure runout directly and to those that compute it from index measurements. It also gives recommendations for the evaluation of tooth thickness measuring instruments and, of necessity, includes the estimation of measurement uncertainty with the use of calibrated gear artifacts. It does not address the calibration of artifacts by laboratories accredited in accordance with ISO/IEC 17025; nor are its requirements intended as an acceptance specification of product gears (see ISO 1328-1, ISO 1328-2, ISO/TR 10064-1 and ISO/TR 10064-2). The estimation of product gear measurement uncertainty is beyond its scope (see ISO/TR 10064-5 for recommendations).
| Standards | Relationship |
| ISO 18653:2003 | Identical |
| ISO/IEC 17025:2005 | General requirements for the competence of testing and calibration laboratories |
| 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/TS 14253-2:1999 | Geometrical Product Specifications (GPS) Inspection by measurement of workpieces and measuring equipment Part 2: Guide to the estimation of uncertainty in GPS measurement, in calibration of measuring equipment and in product verification |
| 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 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/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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