BS 4582-2:1978
Current
The latest, up-to-date edition.
Specification for fine pitch gears (metric module) Hobs and cutters
Hardcopy , PDF
English
31-10-1978
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Foreword
Cooperating organizations
Specification
1 Scope
2 References
3 Terminology
4 Gear hobs for fine pitch gears, metric module
4.1 Amplification of scope
4.2 Tooth form
4.3 Dimensions
4.4 Bore and arbor
4.5 Bosses
4.6 Gashes
4.7 Keys and keyways
4.8 Tenon drive
4.9 Marking
4.10 Ordering instructions
5 Rotary form-relieved gear cutters for fine pitch
gears
5.1 Amplification of scope
5.2 Terminology
5.3 Tooth form
5.4 Cutter groups
5.5 Dimensions
5.6 Tolerances
5.7 Circumferential form relief
5.8 Arbor tolerances
5.9 Marking
5.10 Ordering instructions
6 Pinion type cutters for fine pitch gears: 0.07 to
1 metric module
6.1 Amplification of scope
6.2 Tooth form
6.3 Dimensions
6.4 Bore
6.5 Provision of datum cylinders
6.6 Tolerances
6.7 Marking
6.8 Ordering instructions
Appendix
A Incorrect gear action (pinion type cutters)
Tables
1 Dimensions of gear hobs for fine pitch gears for
preferred metric modules
2 Dimensions of keyway in hob
3 Tolerances for parallel arbor diameters and
dimensions of key in arbor
4 Tolerance on hob bore
5 Dimensions of tenon drive
6 Accuracy requirements for hobs
7 General dimensions of rotary form-relieved cutters
8 Unit module dimensions of cutter profiles for
involute teeth to figures 1 and 2 of BS 4582 :
Part 1 : 1970
9 Tolerances for rotary form-relieved cutters
10 Disc type gear cutter dimensions
11 Extended hub gear cutter dimensions
12 Screwed hubgear cutter dimensions
13 Parallel shank gear cutter dimensions
14 Taper shank gear cutter dimensions
15 Dimensions of bore of pinion type cutters
16 Accuracy tests for pinion type cutters
Figures
1 Hob terms
2 Basic gear rack profiles
3 Gear hob with axial keyway
4 Keyway in hob
5 Key for arbor
6 Tenon drive
7 Terminology of rotary form-relieved gear cutter
8 Dimensions of cutter elements
9 Cutter terms
10 Disc gear cutter
11 Extended hub gear cutter
12 Screwed hub gear cutter
13 Parallel shank gear cutter
14 Taper shank gear cutter
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.
| Committee |
MCE/5
|
| DevelopmentNote |
Supersedes BS 978-5(1965). Supersedes 76/72738 DC (08/2005) Reviewed and confirmed by BSI, January 2011. (12/2010)
|
| DocumentType |
Standard
|
| Pages |
40
|
| PublisherName |
British Standards Institution
|
| Status |
Current
|
This standard specifies dimensions and accuracy requirements for the following gear cutting tools for fine pitch gears of metric module produced in accordance with the requirements of BS 4582-1.
- Gear hobs.
- Rotary form-relieved gear cutters.
- Pinion type cutters.
This standard may also be used for cutters for gears produced in accordance with the requirements of BS 978-2 if desired.
| Standards | Relationship |
| UNE-EN 50549-2:2019 | Identical |
| 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 978-2:1952 | Specification for fine pitch gears Cycloidal type gears |
| ISO 240:2016 | Milling cutters — Interchangeability dimensions for cutter arbors or cutter mandrels |
| BS 978-5:1965 | Specification for fine pitch gears Hobs and cutters |
| BS 2519-2:1976 | Glossary for gears Notation |
| BS 4582-1:1970 | Specification for fine pitch gears (metric module) Involute spur and helical gears |
| BS 1660:1972 | Specification for machine tapers, reduction sleeves and extension sockets |
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