This part of JB/T 5245 specifies the inspection items, tolerances and inspection methods for the geometric accuracy and working accuracy of bench-top drilling machines. This section applies to bench-top drilling machines and their variants with a maximum drilling diameter of 3mm to 32mm.
JB/T 5245.1-2006 Referenced Document
GB/T 17421.1-1998 Test code for machine tools. Part 1: Geometric accuracy of machines operating under no-load or finishing conditions
JB/T 5245.1-2006 history
2017JB/T 5245.1-2017 Benchtop Drilling Press Part 1: Accuracy Inspection
2006JB/T 5245.1-2006 Bench drilling machines Part 1: Testing of the accuracy