BS ISO 4156-1:2005
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Straight cylindrical involute splines. Metric module, side fit Generalities
Hardcopy , PDF
03-02-2021
English
20-01-2006
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols, subscripts and abbreviated terms
4.1 General symbols
4.2 Subscripts
4.3 Formulae for dimensions and tolerances for all
fit classes
5 Concept of side fit splines
6 Effective fit concept
7 Basic rack profiles for spline
8 Spline fit classes
9 Space width and tooth thickness tolerances
9.1 Total tolerance T + lambda
9.2 Deviation allowance, lambda
9.3 Total pitch deviation, F[p]
9.4 Total profile deviation, F[alpha]
9.5 Total helix deviation, F[beta]
9.6 Machining tolerance, T
9.7 Effective clearance tolerance, T[v]
9.8 Use of effective and actual dimensions for space
width and tooth thickness
10 Minor and major diameters
10.1 Tolerances
10.2 Adjustment to minor diameters (D[ie]), form
diameters (D[Fe]) and major diameters (D[ee]) of
external splines
11 Manufacturing and design considerations
11.1 Radii
11.2 Profile shifts
11.3 Eccentricity and misalignment
12 Spline data
12.1 Basic dimensions
12.2 Combination of types
12.3 Designation
12.4 Drawing data
Annex A (informative) Drawing data example calculations
Bibliography
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