Specification for fine pitch gears Hobs and cutters

Available format(s)

Hardcopy , PDF

Superseded date

01-12-2005

Language(s)

English

Published date

22-11-1965

Publisher

British Standards Institution

Co-operating organizations
Foreword
Specification
Section 1. Hobs for fine pitch gears
1.1 Scope
1.2 Terminology
1.3 Tooth form
1.4 Gashes
1.5 Bores
1.6 Dimensions
1.7 Tolerances
1.8 Marking
1.9 Purchasing recommendations
Section 2. Rotary form-relieved gear cutters for fine
           pitch gears
2.1 Scope
2.2 Terminology
2.3 Tooth form
2.4 Cutter groups
2.5 Dimensions
2.6 Tolerances
2.7 Circumferential form relief
2.8 Arbor tolerances
2.9 Marking
2.10 Purchasing recommendation
Section 3. Pinion type cutters for fine pitch gears
3.1 Scope
3.2 Terminology
3.3 Tooth form
3.4 Dimensions
3.5 Cutting rake
3.6 Bore
3.7 Provision of datum cylinder
3.8 Tolerances
3.9 Marking
3.10 Purchasing recommendations
Appendices
A Marking code for cutters for fine pitch gears
B Basic rack tooth profiles (B.S. 978, Part 1)
C Basic rack tooth profile (gear and cutter) B.S.
      978, Part 2 addendum No. 1
Tables
1 General dimensions of hobs
2 Tolerances
3 General dimensions of rotary form-relieved cutters
4 Unit pitch dimensions of cutter profiles for
      involute teeth to Figs. 1 and 2 of B.S. 978, Part
      1
5 Tolerances
6 Disc type gear cutter dimensions
7 Extended hub gear cutter dimensions
8 Screwed hub gear cutter dimensions
9 Parallel shank gear cutter dimensions
10 Taper shank gear cutter dimensions
11 Tolerances

Form, dimensions, accuracy of ranges of gear hobs, rotary form-relieved gear cutters, pinion type gear cutters for fine pitch gears to BS 978:Parts 1 and 2.

Committee	MCE/5
DocumentType	Standard
Pages	30
PublisherName	British Standards Institution
Status	Superseded

BS 4582-2:1978	Specification for fine pitch gears (metric module) Hobs and cutters
BS 978-1:1968	Specification for fine pitch gears. Involute spur and helical gears

BS 2062-1:1959	Specification for gear hobs Hobs for general purposes, 1 d.p. to 20 d.p. inclusive
BS 2887(1957) : LATEST	PINION TYPE CUTTERS FOR SPUR GEARS 4 D.P. TO 20 D.P.
BS 978-3:1952	Specification for fine pitch gears Bevel gears
BS 2518-1:1954	Specification for rotary form relieved gear cutters Diametral pitch
BS 2518-2:1977	Specification for rotary form relieved gear cutters Metric module
BS 2519-1(1969) : LATEST
BS 978-2:1952	Specification for fine pitch gears Cycloidal type gears
BS 2519-2:1976	Glossary for gears Notation
BS 978-1:1968	Specification for fine pitch gears. Involute spur and helical gears

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BS 978-5:1965

Superseded

Table of Contents

Abstract

General Product Information

Standards Referenced By This Book

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