JB/T 8018.4-1999 Machine tool fixture parts and components - Movable V-blocks

JB/T 8018.4-1999 JB/T 8018.4-1999 Machine tool fixture parts and components V-shaped blocks JB/T8018.4-1999 Standard download decompression password: www.bzxz.net

IC5 28.060.41
Mechanical Industry Standard of the People's Republic of China
Parts and components of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06Promulgated
State Machinery Industry Bureau
Implementation on 2000-01-01
Mechanical Industry Standard of the People's Republic of China
Parts and components of jigs and fixturesMovable V-block
The standard specifies the movable V-block with a specification of ?, 70mm. 2 Reference Standards
JB/T018.4-1909
Generation [B/8D1B.41995
The texts contained in the following standards are generally cited in this standard and constitute the provisions of the standard. When this standard is published, the versions shown are valid. All standard parts are integrated and the parties who use this standard should investigate the feasibility of using the latest versions of the following standards. GB, T699195R Technical conditions for high-quality carbon steel JB/T8044—1999 Technical requirements for machine tool parts and components 3 Dimensions
The dimensions are shown in the figure and table below,
Approved by the National Machinery Industry Bureau on August 6, 1999 and implemented on January 1, 2000
>15 -20
>26 .- 25
>25 - 35
>35 - 41
>GC - BO
Technical provisions
Fast limit deviation
JB/T8018.4-1999
4.1 Material: 20 GR699 regulations: Limit deviation
-C 016
4.2 Heat treatment: depth 0.8~1.2mm, 58~6411RC.4.3 Its technical conditions are in accordance with the specifications of IB/T3044: 5 mark
s.1 mark Example:
A=lmm A movable V-shaped fast
V-shaped#A:8R8019.4-[999bzxZ.net
.Light penalty
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