This part of GB/T 10944 specifies the 7:24 tapered tool shanks for automatic tool changer—conical tolerances and inspection, manufacturability, appearance and surface roughness, material and hardness, marking and packaging of No. 40, 45 and 50 shanks basic requirements. This Part applies to the 7:24 taper tool shank for automatic tool change produced according to GB/T 10944.1.
GB/T 10944.2-2006 history
2013GB/T 10944.1-2013 Tool shanks with 7/24 taper for automatic tool changers.Part 1:Dimensions and designation of shanks of forms A,AD,AF,U,UD and UF
2006GB/T 10944.1-2006 Tool shanks with 7:24 taper for automatic tool changers Shanks Nos.40, 45 and 50 Part 1: Dimensions and conicity tolerances
1989GB/T 10944-1989 Tool shanks with 7:24 taper for automatic tool changers--Shanks Nos.40,45 and 50
GB/T 10944.2-2006 Tool shanks with 7:24 taper for automatic tool changers Shanks Nos.40, 45 and 50 Part 2: Technical specifications was changed to GB/T 10944.4-2013 Tool shanks with 7/24 taper for automatic tool changers.Part 4:Technical specifications for shanks.