ICS 25.080.50 CCS J 55 GB 中华人民共和国国家标准 GB/T 4022.1—2021 代替GB/T4022.1—2007 卧轴矩台平面磨床 精度检验 第 1部分:工作台面长度至1 600 mm的机床 Surface grinding machines with horizontal grinding wheel spindle and reciprocating table-Testing of the accuracy- Part 1:Machines with table surface length of up to 1 600 mm (ISO 1986-1:2014,Test conditions for surface grinding machines with horizontal grinding wheel spindle and reciprocating tableTesting of theaccuracy—Part1:Machines with tablelengthof up to 1600mm,MOD) 2021-03-09发布 2021-10-01实施 国家市场监督管理总局 发布 国家标准化管理委员会