BH GSO ISO 8956:2017
Bahraini Standard
Current Edition
·
Approved on
21 June 2017
·
Acceptance conditions for copying attachments, integral or otherwise, for lathes -- Testing of the accuracy
BH GSO ISO 8956:2017 Files
English
11 Pages
Current Edition
Reference Language
27.14 BHD
BH GSO ISO 8956:2017 Scope
This International Standard describes both special tests and practical tests for copying attachments of general-purpose normal precision (centre lathes, vertical boring machines, capstan lathes or others) and copying lathes. These tests are intended to supplement the tests for the various types of lathes.
This International Standard applies to hydraulic and electric servo-controlled copying attachments but not to mechanically controlled ones.
It also applies to lathes with single-axis copying systems and to lathes where two axes are used in conjunction to produce a profile of up to 180° included angle. Turning machines equipped with two-axis systems of more than 180° capability are considered as special-purpose machines; this International Standard does not apply to such machines.
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