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PP 7309:1985

Withdrawn
Withdrawn

A Withdrawn Standard is one, which is removed from sale, and its unique number can no longer be used. The Standard can be withdrawn and not replaced, or it can be withdrawn and replaced by a Standard with a different number.

AN INTRODUCTION TO THE TOLERANCING OF FUNCTIONAL LENGTH DIMENSIONS
Withdrawn date

01-31-1999

Published date

11-23-2012

Foreword
Notes on the use of this document
1. Introduction
2. Terminology
3. The need for tolerance on dimensions
4. Tolerancing of linear dimensions
5. Fundamental rule of tolerances
6. Procedure to identify functional dimensions and
     allocate tolerances to them
     Summary of the steps in the procedure
     The effect of geometrically toleranced functional
     features on functional dimensions and their
     tolerances
7. Worked examples
     1. Bolted joint
     2. Assembly to support a headed pin
     3. Pivot assembly
         Design simplification by inspection of the
         functional loop
     4. Bearing assembly
         Use of a series of washers to increase the
         tolerances on functional dimensions
     5. Shaft assembly
         Interaction of two functional requirements
     6. Valve assembly
         Limits of tolerance with opposite signs when
         one functional dimension has to satisfy two
         related functional requirements
     7. Spring-loaded relief valve
         Functional requirement not given as a toleranced
         dimension
     8. Detonator assembly
         Functional requirements specified as an inter-
         ference
8. Standards publications referred to and related
     standards publications

Describes a procedure for identifying dimensions which affect the product function and for allocating limits of tolerance to them. Covers the need for tolerances and dimensions and terminology

DocumentType
Standard
PublisherName
British Standards Institution
Status
Withdrawn

BS 4500-1:1969 ISO limits and fits General, tolerances and deviations

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