JB/T 3411.83-1999 This standard is a revision of JB 3494-83 "Dimensions of 90° boring 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 90° boring bars with taper shanks. JB/T 3411.83-1999 Dimensions of 90° boring bars with taper shanks JB/T3411.83-1999 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 boring machines
Accessories of boring machines1999-05-20 Issued
State Bureau of Machinery Industry
Implementation on 2000-01-01
Machinery Industry Standard of the People's Republic of China
Taper shank 90 boring bar
Taper shiaak arbur far yo buring tool-Dimensinny
What does this standard stipulate? Type and size of cone 90° knife holder, reference standards bZxz.net
JB/T3411.83-1999
349485
The following standards contain the following articles: The articles of this standard are constituted by reference in this standard. When this standard is published, the versions shown are not all valid. All standards will be revised. All parties using the standards will discuss the possibility of using the new version of the following standards GB: T14431996 Machine flavor and 1 handle white fire cone GRT28J51989 Drill main end size
Type and size
Type and size According to the figure: the specification is completed, marking
Marking example:
Morse round chain No. 5, L=50mm, L=450mm bell handle 90° spring rod tank Vanto 5-30×450JBT3411.83-1999 State Machinery Industry Bureau 1999-05-20 approved 2000-01-01 implementation
JE/3411.83-1999
40 -540
72--115
95-150
120-190
72~115
120-[90
60 -55
72-115
55-150
120-190
15-233
72-515
95~:50
12D-15k
150-230
200-300
The size and condition of the ... 2
When D60mm, 1.560mm, the "hollow" type is allowed. Dream limit difference DII
.+0.640
J8/:3411.83-1999
Door 3411.83-3999
Appendix A
(Standard travel record
Tool push handle chain gathering size
A1 two 41 and table A1 account list T tree locking Na ruler small, system GBT2813 and use with ordinary drill, staggered bed code measurement fee
JB/T3411.8 3-1999 (Standard Appendix) Locking operation size B! 】 and the chain tightening control size listed in Table 1 are reduced according to the lock case size of the commonly used general reverse drilling machine in GH2815 pressure-reducing machine. When the case is in the locking position, the outer diameter of the main drawer of the tank will be 5m55 JB341183-1999 main shaft for the machine.
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