GB/T 4020-1997
Acceptance conditions for general purpose parallel lathes--Testing of the accuracy (English Version)

Standard No.

GB/T 4020-1997

Language

Chinese, Available in English version

Release Date

1997

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 4020-1997

Replace

GB/T 4021-1983 GB/T 4020-1983

Scope

This standard (referring to JB2670 "General Rules for Inspection of Precision of Metal Cutting Machine Tools") stipulates the inspection of geometric accuracy and working accuracy of horizontal lathes and the corresponding tolerances. This standard is only used for the accuracy inspection of machine tools, not for the operation inspection of machine tools (vibration, abnormal noise, crawling of moving parts, etc.), or the parameter inspection of machine tools (speed, feed rate, etc.), these inspections should be in Performed before accuracy check.

GB/T 4020-1997 history

• 1997 GB/T 4020-1997 Acceptance conditions for general purpose parallel lathes--Testing of the accuracy
• 0000 GB/T 4020-1983