This standard is applicable to surface grinding machines with vertical axis and rectangular table for general purpose, ordinary precision, and vertical movement of the table with a table width of 125 to 800 mm.
GB/T 6476-1986 history
2021GB/T 6476-2021 Surface grinding machines with vertical grinding wheel spindle and reciprocating table—Testing of the accuracy
2007GB/T 6476-2007 Surface grinding machines with vertical grinding wheel spindle and reciprocating table- Testing of the accuracy
1986GB/T 6476-1986 Surface grinding machines with vertical grinding wheel spindle and reciprocating table--Testing of the accuracy