JB/T 9158.4-1999 Dimensions of straight shank adapters for horizontal multi-spindle automatic lathes

JB/T 9158.4-1999 JB/T 9158.4-1999 Dimensions of straight shank adapters for horizontal multi-spindle automatic lathes JB/T9158.4-1999 Standard download decompression password: www.bzxz.net

1CS 25.080.01
Machinery Industry Standard of the People's Republic of China
JB/T9158.1~9158.13—1999
Accessories of multi-spindle horizuntal automatic lathes
Accessories of multi-spindle horizuntal automatic lathes1999-05-20 Issued
National Bureau of Machinery Industry
Implemented on 2000-01-01
Machinery Industry Standard of the People's Republic of China
Accessories of multi-spindle horizontal automatic lathes
Extension bush for parallel shank
Accegsnries nfmulti-spindle horizontal auiomatic lathes-.Extension bush for parallel shank The shankDimensipn standard specifies the types and sizes of straight shank couplings for horizontal multi-axis automatic lathes. 2 Reference standards
JB/I9158.4—1999
代7B[52012.4—90
The provisions contained in the following standards constitute the specific provisions of this standard through reference in the technical standards. When this standard is published, the versions shown are valid: All standards are subject to revision. Parties using non-standard standards should explore the possibility of using the latest versions of the following standards: GBT 6135.2-1996 Straight car twist drills Part 2 Types and sizes of straight shank short burrs GB.T 6135.3-1996 Straight car twist drills Part 3 Types and sizes of straight shank short burrs 3 Types and sizes
Types and sizes shall be in accordance with the provisions of the table
Minimum size
Maximum error jsi
± 0.0095
13--38
National Machinery Industry Bureau 1999-05-20 approved basic sizebZxz.net
imitation difference H
.0.025
Applicable machine
2000-01-01 implementation
Marking example:
JB/T 9158.4—1999
D=30 mm, α-20 mm extension socket marking; 50×20B/T9158.41999
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