BS 6186-1:1981

National foreword
Cooperating organizations
Specification
Section one: Generalities
1 Scope and field of application
2 Terms and definitions relating to splines
3 Symbols
4 Pressure angle (standard)
5 Type of fit
6 Space width and tooth thickness, total tolerance
    (T + lambda)
7 Basic rack profiles for spline
8 Machining tolerances and variations
9 Effect of spline variations
10 Effective and actual dimensions for splines
11 Use of effective and actual dimensions for space
    width and tooth thickness
12 Drawing data
Section two: Dimensions
13 Introduction
14 Dimensions and tolerances
NUMEROUS TABLES
Figures
1 Lead variations
2 Graphical representation of tables 1 and 2
3 Profile of the basic rack for 30 degree flat root
    spline
4 Profile of the basic rack for 30 degree fillet root
    spline
5 Profile of the basic rack for 37.5 degree fillet
    root spline
6 Profile of the basic rack for 45 degree fillet root
    spline
7 Profile variations
8 Graphical representation of deviation allowances for
    the spline fit classes
9 Effect of variations on internal spline
10 Effect of variations of external spline
11 Specification guide for space width and tooth
    thickness for spline
12 Flat root spline - Pressure angle alpha D = 30 deg -
    Modules 0,5 to 10
13 Fillet root spline - Pressure angle alpha D = 30 deg
    - Modules 0,5 to 10
14 Fillet root spline - Pressure angle alpha D = 37,5
    deg - Modules 0,5 to 10
15 Fillet root spline - Pressure angle alpha D = 45 deg
    - Modules 0,25 to 2,5

Specifies dimensions and tolerances for straight internal and external involute splines of 0°, 37.5° and 45° pressure angles in the range 0.25-10 metric module.