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BSI - BS 978-5

Specification for Fine pitch gears - Part 5: Hobs and Cutters

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Organization: BSI
Publication Date: 22 November 1965
Status: inactive
Page Count: 30
ICS Code (Gears): 21.200
ICS Code (Other cutting tools): 25.100.99
scope:

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.

Document History

BS 978-5
November 22, 1965
Specification for Fine pitch gears - Part 5: Hobs and Cutters
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.

References

This document references:
BS 978-1 - Specification for Fine Pitch Gears - Part 1: Involute Spur and Helical Gears
Published by BSI on January 31, 1968
Gears of pitch range greater than 20, up to 200 diametral pitch. Standard pitches; two basic racks (one with backlash allowance); modification of addendum and centre distance to suit various...
This document references:
BS 2518-2 - Specification for Rotary form relieved gear cutters - Part 2: Metric module
Published by BSI on April 29, 1977
A description is not available for this item.
This document references:
BS 978-3 - Gears for instruments and clockwork mechanisms - Part 3: Bevel gears
Published by BSI on January 24, 1952
Form, proportions of machine cut conical gears connecting intersecting shafts in pitch range 20 to 80 D.P. Straight or curved teeth with normal pressure angle 20 at pitch cone. Addendum modification,...
This document references:
BS 2519-2 - Glossary for Gears Part 2: Notation
Published by BSI on November 30, 1976
Symbols for geometrical data for use in gear notation.
This document references:
BS 978-1 - Specification for Fine Pitch Gears - Part 1: Involute Spur and Helical Gears
Published by BSI on January 31, 1968
Gears of pitch range greater than 20, up to 200 diametral pitch. Standard pitches; two basic racks (one with backlash allowance); modification of addendum and centre distance to suit various...
This document is superseded by:
BS 4582-2 - Specification for Fine pitch gears (metric module) - Part 2: Hobs and cutters
Published by BSI on October 31, 1978
Dimensions and accuracy requirements for hobs, rotary form relieved cutters and pinion type cutters for fine pitch gears of metric module to BS 4582-1. Also valid for cutters for gears to BS 978-2.
This document is superseded by:
BS 4582-2 - Specification for Fine pitch gears (metric module) - Part 2: Hobs and cutters
Published by BSI on October 31, 1978
Dimensions and accuracy requirements for hobs, rotary form relieved cutters and pinion type cutters for fine pitch gears of metric module to BS 4582-1. Also valid for cutters for gears to BS 978-2.
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