Machine tool components Trapezoidal threads for lead and feed screw assemblies

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

03-31-1977

Publisher

British Standards Institution

Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Definitions
4 Maximum material profile
5 Nominal values of pitch, lead and thread diameter
6 Accuracy class designations and requirements for
   assembled screws and nuts
7 Designation
Appendix
A General guidance
Tables
1 Dimensions for maximum material profile
2 Nominal values of lead, pitch and thread diameter
3 Accuracy requirements for assembled screws and nuts
4 Dimensions of pitch diameter, major and minor
   diameter for accuracy classes 25, 40, 60, 100 and 160
5 Factors for tolerances for the pitch diameters of
   multi-start threads
Figures
1 Basic profile
2 Maximum material profile

Range of nominal diameters (10 to 100 mm), nominal pitches (2 to 20 mm) and tolerances. Does not include mounting criteria, length and material.

This British Standard specifies a range of nominal diameters (10 mm to 100 mm), nominal pitches (2 mm to 20 mm) and tolerances for machine tool lead and feed screws and nuts.

This standard does not make any recommendations concerning features such as material, length or mounting criteria for lead and feed screws.

Committee	MTE/1
DevelopmentNote	Supersedes 75/75869 DC (07/2005) Reviewed and confirmed by BSI, October 2012. (09/2012)
DocumentType	Standard
Pages	14
PublisherName	British Standards Institution
Status	Current
Supersedes	BS 4185(1967) : LATEST

BS 1104:1957	Specification for general purpose Acme screw threads
ISO 2903:2016	ISO metric trapezoidal screw threads — Tolerances
BS 4500-1:1969	ISO limits and fits General, tolerances and deviations
BS 5346:1976	Specification. ISO metric trapezoidal screw threads

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BS 4185-10:1977

Current

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory

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