IS 1878 Pt.2-1971

标准号：IS 1878 Pt.2-1971
发布日期：1971/11/1 12:00:00
实施日期：1999/12/31 12:00:00
适用范围：Describes both geometrical and practical tests on general purpose parallel lathes with swing over bed over 800 mm and up to 1 600 mm and the corresponding permissible deviations, with reference to IS : 2063-1962 ' Code for testing machine tools '.It deals only with the verification of accuracy and applies neither to the testing of the running of the machine ( vibrations, abnormal noises, stick-slip motion of components, etc ) nor to the machine characteristics (speeds, feeds, etc ) which shall generally be checked before testing the accuracy.