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BSI
BS ISO 4468:2020

BS ISO 4468:2020

Current

Current

The latest, up-to-date edition.

Gear hobs. Accuracy requirements

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

05-08-2020

Publisher

British Standards Institution

This document specifies requirements for the accuracy of general-purpose hobs of 0,5 module to 40 module.

This document specifies requirements for the accuracy of general-purpose hobs of 0,5 module to 40 module.These hobs are intended for producing gears which conform to ISO53 and ISO54.This document applies to hobs for spur and helical gears. It applies to solid (monobloc) and inserted blade hobs.The elemental features of hobs are graded according to accuracy, as follows: Grade 4A; Grade 3A; Grade 2A; Grade A; Grade B; Grade C; Grade D. Grade 4A is the highest order of precision.In addition to the elemental tests for hobs, this document gives permitted tolerances for composite tests that are taken along the cutting edges on the line of action. The two groups of tests are not equivalent and one can choose between one or the other. If there was no previous agreement, the hob is regarded as belonging to the precision class specified if it satisfies one or the other of the two methods of inspection. NOTE The tolerances in this document were determined for gear hobs whose dimensions conform to ISO2490 , but with certain precautions they can be applied to hobs not specified in this document.

Committee
MCE/5
DocumentType
Standard
ISBN
9780539003628
Pages
46
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 4468:2020 Identical

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Hardcopy - English
PDF - English
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