NF EN 20286-1 : 1993
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
ISO SYSTEM OF LIMITS AND FITS - PART 1: BASES OF TOLERANCES, DEVIATIONS AND FITS
01-09-2010
12-01-2013
National foreword
Committees responsible
Specification
0. Introduction
1. Scope
2. Field of application
3. References
4. Terms and definitions
5. Symbols, designation and interpretation of
tolerances, deviations and fits
6. Graphical representation
7. Reference temperature
8. Standard tolerances for basic sizes up to 3 150 mm
10. Bibliography
Annexes
A. Bases of the ISO system of limits and fits
B. Examples of the use of ISO 286-1
C. Equivalent terms
Tables
1. Numerical values of standard tolerance grades IT
for basic sizes up to 3 150 mm
2. Numerical values of the fundamental deviations of
shafts
3. Numerical values of the fundamental deviations of
holes
4. Basic size steps
5. Numerical values for standard tolerances in grades
IT01 and IT0
6. Formulae for standard tolerances in grades IT01,
IT0 and IT1 for basic sizes up to and including
500 mm
7. Formulae for standard tolerances in grades IT1 to
IT18
8. Rounding for IT values up to and including standard
tolerance grade IT11
9. Formulae for fundamental deviations for shafts and
holes
10. Rounding for fundamental deviations
Figures
1. Basic size, and maximum and minimum limits of size
2. Conventional representation of a tolerance zone
3. Clearance
4. Clearance fit
5. Transition fit
6. Interference
7. Interference fit
8. Schematic representation of clearance fits
9. Schematic representation of interference fits
10. Schematic representation of transition fits
11. Shaft-basis system of fits
12. Hole-basis system of fits
13. Schematic representation of the positions of
fundamental deviations
14. Deviations for shafts and holes
15. Graphical representation
16. Simplified schematic diagram
17. Deviations for shafts
18. Deviations for holes
19. Deviations js and JS
20. Diagrammatic representation of the rule given in
A.4.2 b)
Establishes the bases of ISO system of limits and fits together with the calculated values of the standard tolerances and fundamental deviations. These values shall be taken as authoritative. Also gives terms and definitions together with associated symbols. Contains several tables and figures.
| DevelopmentNote |
INDICE DE CLASSEMENT: E02100-1
|
| DocumentType |
Standard
|
| PublisherName |
Association Francaise de Normalisation
|
| Status |
Superseded
|
| Standards | Relationship |
| BS EN 20286-1:1993 | Identical |
| UNI EN 20286-1 : 1995 | Identical |
| I.S. EN 20286-1:1994 | Identical |
| EN 20286-1 : 1993 | Identical |
| UNE-EN 20286-1:1996 | Identical |
| NF ISO 6489-2 : 2002 | AGRICULTURAL VEHICLES - MECHANICAL CONNECTIONS BETWEEN TOWED AND TOWING VEHICLES - PART 2: SPECIFICATIONS FOR CLEVIS COUPLING 40 |
| NF ISO 1132-1 : 2000 | ROLLING BEARINGS - TOLERANCES - PART 1: TERMS AND DEFINITIONS |
| NF EN 61243-1 : 2005 AMD 1 2010 | LIVE WORKING - VOLTAGE DETECTORS - PART 1: CAPACITIVE TYPE TO BE USED FOR VOLTAGES EXCEEDING 1 KV A.C. |
| NF EN 62496-1 : 2009 | OPTICAL CIRCUIT BOARDS - PART 1: GENERAL |
| NFA 33 200 : 95 XP | IRON AND STEEL - MARAGING STEEL FOR FORGING INTENDED FOR THE MANUFACTURE OF FENCING BLADES |
| NF ISO 5692-2 : 2002 | AGRICULTURAL VEHICLES - MECHANICAL CONNECTIONS ON TOWED VEHICLES - PART 2: COUPLING RING 40 WITH SOCKET |
| NF ISO 4156-1 : 2006 | STRAIGHT CYLINDRICAL INVOLUTE SPLINES - METRIC MODULE, SIDE FIT - PART 1: GENERALITIES |
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