BS 7772:1994

Committees responsible
National foreword
Specification
1 Scope
2 Normative references
3 Definition
4 Symbols and units
5 Purpose of checking
6 Checking methods
7 Requirements for measuring equipment for the
     contact method
8 Checking of measuring equipment
Annexes
A (normative) Indication of the checking method on
     drawings
B (informative) Determination of uncertainty of
     measurement
Tables
1 Symbols and units
2 Measuring line distances ac
3 Radius for measuring the inside surface and
     checking load
4 Limiting values for the measuring equipment
B.1 Test results
Figures
1 Total wall thickness, stot
2 Measuring principle of wall thickness measurement
3 Position of measuring lines
4 Three-line measuring scheme for half-bearings with
     Do < or = 150 mm
5 Three-line measuring scheme for unsplit or wrapped
     bushes with Do < or = 150 mm
6 Six-point measuring scheme for half-bearings with
     B < or = 50 mm and Do < or = 80 mm
7 Ten-point measuring scheme for half-bearings with
     B < or = 50 mm and Do < or = 150 mm
8 Ten-point measuring scheme for half-bearings with
     B < or = 90 mm and Do < or = 150 mm
9 Three- or six-point measuring scheme for unsplit or
     wrapped bushes with D0 < or = 150 mm
A.1 Dimensioning for unequal wall thickness

Describes the checking methods and measuring equipment used for measuring the total wall thickness of thin walled half bearings and thin walled bushes in the finished state. Coverage includes purpose of checking, checking methods, checking of measuring equipment, and requirements for measuring equipment for the contact method. Also gives annexes, tables, diagrams, and symbols and units.