JB/T 3411.89-1999 Dimensions of boring and reaming shanks with taper shanks

JB/T 3411.89-1999 This standard is a revision of JB 3500-83 "Dimensions of boring and reaming bars with taper shanks". Only the following points have been modified during the revision, and the main technical content has not changed: - Writing format; - Standard name plus English; - Relevant reference standards and related content; - Thread drawing method. This standard specifies the type and size of boring and reaming bars with taper shanks. JB/T 3411.89-1999 Dimensions of boring and reaming bars with taper shanks JB/T3411.89-1999 Standard download decompression password: www.bzxz.net

1CS 25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T3411.83-3411.100-19
Accessories of boringmachines
Accessories of boringmachines1999-05-20 Issued
State Bureau of Machinery Industry
Implementation on 2000-01-01
Machinery Industry Standard of the People's Republic of China
Dimensions of Taper Shank Reamer Bars
Taper shank urbor Fur boriny tuuland reamer-Dinengions
This standard specifies the types and dimensions of chain shank boring reamer bars. 2 Reference standards
JB/T3411.89—1999
The following standards contain provisions that become provisions of this standard through reference in this standard. When this standard is published, the version shown is valid. All provisions will be revised. The parties using this standard should explore the possibility of using the latest version of the following standards. GB/T1443—1996
JB/T3411.83—1
Types and dimensions
Self-fired round pins for machine tools and tool handles
Maintenance of tool holders
Specifications on types and dimensions. 4 Marking
Marking example:
No. 6, 2 holes, ×, 1 row, =80m, L=560mm cone blade support: blade shank 6-「80×560/T34U.89-1999 West plate
Approved by the State Machinery Industry Bureau on 1999-45-20, implemented on 2000-01-01
JB/T 3411.89-1999
60-t00
72~120
951490
72-120
120-2 00
G0-1R2
72--12
55·-160
120-200
150-25heart
6 0-100
72-1793
95-160
120~200
150-250
■ The size of the true net metric system must be different according to the provisions of G.144. 20
2. The size of the cover should be changed to the corresponding size in the book 3411.83-1995. 5m, part standard" typewww.bzxz.net
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JB/T3412.89-1999
JB/T3411.89-1999
Appendix A
(suggested supplementary
examples
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