По точности мраморные платформы для проверки направляющих делятся на класс 1, класс 0 и класс 00
Detailed Explanation of Precision Grades for Marble Platforms Used in Guide Rail Inspection (National Standard GB/T0428-2006 “Stone Surface Plates”) Complete Grade Sequence: Grade 000 > Grade 00 > Grade 0 > Grade 1, with decreasing step by step and flatness tolerance doubling; core reference for selecting linear guide rails, precision sliding tables, and linear motor…


