17/30338431 DC : DRAFT SEP 2017
Current
The latest, up-to-date edition.
BS ISO 19843 - ROLLING BEARINGS - CERAMIC BEARINGS BALLS - DETERMINATION OF THE STRENGTH BY NOTCHED BALL TEST
26-09-2017
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 |