This standard specifies the requirements and inspection methods for geometric accuracy inspection and working accuracy inspection of drilling machining centers. This standard applies to vertical and horizontal drilling machining centers with a maximum drilling diameter of no more than 40mm and a working surface width of the workbench of 320 to 500mm.
JB/T 8648.1-1997 history
2008JB/T 8648.1-2008 Drilling machining centres.Part 1: Testing of accuracy
1997JB/T 8648.1-1997 Precision Inspection of Drilling Machining Center