JB/T 3411.79-1999 Dimensions of quick-change sleeves for taper shank tools

JB/T3411.79-1999 This standard is a revision of JB 3490-83 "Dimensions of quick-change sleeves for tools with taper shanks". During the revision, only the following points were modified, and the main technical content remained unchanged: - Writing format; - Standard name plus English; - Relevant reference standards and related content; - Thread drawing method. This standard specifies the type and size of quick-change sleeves for tools with taper shanks. JB/T 3411.79-1999 Dimensions of quick-change sleeves for tools with taper shanks JB/T3411.79-1999 Standard download decompression password: www.bzxz.net

IC.5 25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T3411.67~3411.82-19
Accessories of drilling machines
Accessories of drilling machines1999-05-20 Issued
National Bureau of Machinery Industry
Implemented in 2000-01-1
Machinery Industry Standard of the People's Republic of China
Quick change bushing for taper shank tools
Quick change bushing for taper shank tools luulDiancaskons
This standard specifies the types and sizes of quick-change sleeves for chain pivot tools. 2 Reference standards
JB.3411.79-1999
JB349G-83
The provisions contained in the following standards are all cited in this standard and become the provisions of this standard. When the standard is published, the version shown is valid. All standards will be revised. The parties using this standard should consider the possibility of using the latest version of the following standards: GB.T1443-1996 1 Type and size of quick-change sleeves for machine tools and tools
The type and size shall be as specified in the following figure and table. Morse's Dictionary
Approved by the East China Machinery Industry Bureau on May 20, 1999, and implemented on May 20, 2000-0101
British round number
Basic size
Limiting range
0.3 center
JH3411.79-1999 wwW.bzxz.Net
1 British reduced size and deviation shall be in accordance with the provisions of G1443. 2 The measurement of this standard can be determined by design.
4 Marking
Marking example:
Morse's chain No. 2, 25mm quick change set for quick change of tree T tools 2-25JB/T3411.791999
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