JB/T 8018.3-1999 Machine tool fixture parts and components adjustment V-blocks

JB/T 8018.3-1999 This standard is a revision of JB/T 8018.3-95 "V-blocks for adjusting machine tool fixture parts and components". During the revision, only editorial changes were made according to relevant regulations, and the technical content was not changed. This standard specifies the adjustment V-blocks with specifications of 9~70mm. This standard was first issued in 1981 as GB 2210-80, first revised to GB/T 2210-91 on April 30, 1991, and adjusted to JB/T 8018.3-95 in April 1996. JB/T 8018.3-1999 V-blocks for adjusting machine tool fixture parts and components JB/T8018.3-1999 Standard download decompression password: www.bzxz.net

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Standard of the Machinery Industry of the People's Republic of China
Parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06 Issued
State Machinery Industry Bureau
Implementation on 2000-01-01
Standard of the Machinery Industry of the People's Republic of China
Parts and units of jigs and fixtures
V-shaped adjustment block
The paris and units of jigs and fixturesV-lork far adjnsttdent
This standard specifies the 9-70mC V-shaped table, 2 reference standards
IB/T8018.3-1999
JB8915.3-1915
The following clauses are included in the standard and become the clauses of this standard through reference in this standard. When this standard is revised, the versions shown are not all effective. All standard parts will be revised. All parties using the standard shall consider the possibility of using the latest version of the standard. GB:T699-.19BB High-quality carbon cable structural steel technical conditions 38044-1999 Folding machine and its parts and components technical requirements 3 Size
Length as follows and as shown in the table
Approved by the State Machinery Industry Bureau on August 6, 1999
2000--11 implementation
Technical conditions
>16-15
>15 ~ 20
>20 -25
> 2 - 3
> 35 45
>41-60
JBT18.3-1
Over limit
..0.025
4.1Material: 20 steel GB/T699 regulations
4.2Heat treatment: Carbonization depth 0.8~1.2mm, SB~64HIRC4.3Other technical requirements are in accordance with [BB044 regulations. 5Marking
5.1Marking example:
A=1Bmm A-type adjustment V-block:
V-block A188018.3—1999
Take the difference
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