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17/30338431 DC : DRAFT SEP 2017

Current

Current

The latest, up-to-date edition.

BS ISO 19843 - ROLLING BEARINGS - CERAMIC BEARINGS BALLS - DETERMINATION OF THE STRENGTH BY NOTCHED BALL TEST

Published date

26-09-2017

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Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Test description
6 Equipment and testing devices
7 Preparation of the notched ball
8 Test execution
9 Evaluation
10 Potential uncertainties and deviations
11 Test report
Annex A (normative) - Function tables for prefactor f
Annex B (informative) - Comparability of notched ball
        strength results
Annex C (informative) - V-block system for
        preparation of the notch
Annex D (informative) - Positioning aid
Annex E (informative) - Example for a test report
        for determination of the notched ball strength
Annex F (normative) - Notch root damage due
        to machining
Annex G (informative) - Proposed initial testing
        speed for the cross head
Bibliography

BS ISO 19843.

Committee
MCE/7
DocumentType
Draft
PublisherName
British Standards Institution
Status
Current

ISO 20501:2003 Fine ceramics (advanced ceramics, advanced technical ceramics) Weibull statistics for strength data
ASTM C 1323 : 2016 : REDLINE Standard Test Method for Ultimate Strength of Advanced Ceramics with Diametrally Compressed C-Ring Specimens at Ambient Temperature
ISO 6104:2005 Superabrasive products — Rotating grinding tools with diamond or cubic boron nitride — General survey, designation and multilingual nomenclature
ASTM E 337 : 2015 : REDLINE Standard Test Method for Measuring Humidity with a Psychrometer (the Measurement of Wet- and Dry-Bulb Temperatures)
ISO 3290-2:2014 Rolling bearings Balls Part 2: Ceramic balls
ISO 3611:2010 Geometrical product specifications (GPS) — Dimensional measuring equipment: Micrometers for external measurements — Design and metrological characteristics
ISO 17561:2016 Fine ceramics (advanced ceramics, advanced technical ceramics) — Test method for elastic moduli of monolithic ceramics at room temperature by sonic resonance
ISO 7500-1:2015 Metallic materials Calibration and verification of static uniaxial testing machines Part 1: Tension/compression testing machines Calibration and verification of the force-measuring system
ISO 14253-2:2011 Geometrical product specifications (GPS) — Inspection by measurement of workpieces and measuring equipment — Part 2: Guidance for the estimation of uncertainty in GPS measurement, in calibration of measuring equipment and in product verification
ISO 463:2006 Geometrical Product Specifications (GPS) — Dimensional measuring equipment — Design and metrological characteristics of mechanical dial gauges
ISO 26602:2017 Fine ceramics (advanced ceramics, advanced technical ceramics) — Silicon nitride materials for rolling bearing balls and rollers

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