JB/T 3411.121-1999 Dimensions of the middle set of quick change rooms

JB/T 3411.121-1999 This standard is a revision of JB 3539-83 "Dimensions of Quick-Change Intermediate Sleeves". 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 quick-change intermediate sleeves. JB/T 3411.121-1999 Dimensions of Quick-Change Intermediate Sleeves JB/T3411.121-1999 Standard download decompression password: www.bzxz.net

ICS25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T3411.121-1999
Quick-change changing diameter bush dimensions
Quick-change changing diameter bush dimensions
1999-05-20 Issued
National Machinery Industry Bureau
2000-01-01 Implementation
Machinery Industry Standard of the People's Republic of China
Quick-change changing diameter bush dimensions
Quick-dhanged hanging diameter bush dimensions
This standard specifies the type and dimensions of quick-change intermediate bushes. 2 Referenced Standards
JB/T3411.121—1999
Replaces JB353983www.bzxz.net
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. At the time of publication of this standard, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. GB/T1443-1996 Self-clamping cones for machine tools and tool handles 3 Types and dimensions
Types and dimensions are as specified in the following figures and tables. Morse taper
: 24 Smoke #15
7: 24 Cone number
Note: The dimensions and deviations of Morse tapers are in accordance with the provisions of GB/T1443. 4 Marking
Marking example:
Morse taper number
Outer cone is 7:24 cone 45, inner cone is Morse taper 3 quick-change intermediate sleeve: intermediate sleeve 45-3JB/T3411.121—1999 National Machinery Industry Bureau 1999-05-20 approved mm
2000-01-01 implementation
Mechanical industry standard
Quick-change intermediate sleeve size
JB/T3411.121-1999|| tt||Published and distributed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
X number of characters xXX,XXX
Print sheets X/X
Xth printing in XX month, 19XX
Xth edition in XX month, 19XX
Number of prints 1-XXX
Price XXXXX Yuan
XX-XXX
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