BS 4656-12:1979

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Specification for the accuracy of machine tools and methods of test – Dividing heads

Published By	Publication Date	Number of Pages
BSI	1979	12

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Categories: 25.060.20 - Dividing and tool-workpiece holding devices, BSI

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Description

This Part of this British Standard specifies, with reference to BS 3800, geometrical tests for manually and power operated dividing heads and gives corresponding permissible deviations which apply.

This standard is applicable to dividing heads of general purpose use and normal accuracy.

It deals only with the verification of accuracy of the machine. It does not apply to the testing of the running of the machine (vibrations, abnormal noises, stick-slip motion of components, etc.) nor to its characteristics (speeds, feeds, etc.), which should generally be checked before testing accuracy.

Accuracy requirements and geometrical tests with reference to BS 3800.

Additional information

Status	Under Review
Pages	12
Publication Date	1979-09-28
ISBN	0 580 10908 9
Standard Number	BS 4656-12:1979
Title	Specification for the accuracy of machine tools and methods of test – Dividing heads
Technically Equivalent National Standard Of	ISO 5734
Descriptors	Verification, Form tolerances, Spindles, Dividing apparatus, Dimensional tolerances, Tool-holding devices, Spindle noses, Machine tool components, Accuracy
Publisher	BSI
Committee	MTE/1/2
ICS Codes	25.060.20 - Dividing and tool-workpiece holding devices

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BS 4656-12:1979

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