JB/T 3411.7-1999 This standard is a revision of JB 3417-83 "Dimensions of 45° Square Cutter Bars for Internal Holes". Only the following points were modified during the revision, and the main technical content remained unchanged. ——Writing format; ——Standard plus English name; ——Related reference standards and related content; ——Thread drawing method. This standard specifies the type and size of 45° square cutter bars for internal holes. JB/T 3411.7-1999 Dimensions of 45° Square Cutter Bars for Internal Holes JB/T3411.7-1999 Standard download decompression password: www.bzxz.net
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[CS25.080.01 Machinery Industry Standard of the People's Republic of China JB/T 3411.1-3411.16—1999 Accessories ofgeneral purpose parallel lathes1999-05-20 Issued National Machinery Industry Bureau 2000-01-01 Implementation Machinery Industry Standard of the People's Republic of China 45° Square Tool Bar for Internal Turning-Dimensions This standard specifies the types and dimensions of 45" internal turning tool bars. 2 Types and dimensions Types and dimensions are defined in the following figures and tables. D3min Basic size Authorized limit is different JB/T 3411.7—1999 Abandoned 3427 123160.200[160 2(0250,200250|3152.50|3 ts/400|250|315|4|3Ts:4()|500|400'50630|500|630|800RO Note: Le20mmF, the knife square can be made into plastic shape according to the need, mark Marking example: /-16mm, =[60mm 45 inner hole square knife bar month 16 ×16018/5411.7-.1999 National Beijing Machinery Industry Bureau 1999-05-20 approved 120bZxz.net +0 05D 2000-01-01Implementation Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.