JB/T 8014.2-1999 This standard is a revision of JB/T 8014.2-95 "Fixed small locating pins for machine tool fixture parts and components". During the revision, only editorial changes were made according to relevant regulations, and the technical content remained unchanged. This standard specifies fixed locating pins with specifications greater than 3~50mm. This standard was first issued in 1981 as GB 2203-80, first revised to GB/T 2203-91 on April 30, 1991, and adjusted to JB/T 8014.2-95 in April 1996. JB/T 8014.2-1999 Fixed locating pins for machine tool fixture parts and components JB/T8014.2-1999 Standard download decompression password: www.bzxz.net

IC5 28.060.41
Mechanical Industry Standard of the People's Republic of China
The parts and units of jigs and fixtures1999-08-06Promulgated
State Bureau of Machinery Industry
Implementation on 2000-01-01
1 Scope
Mechanical Industry Standard of the People's Republic of China
Parts and units of jigs and fixtures
Fixed locating pins
The Paris aud units orjigs and fixturcsFixed locating pin
The small standard specifies fixed locating pins with a diameter of 3 to 5 mm. 1 Cited standards
JB/T $0J4.2—1999
38074.21995
The provisions contained in the following sub-clauses shall constitute the provisions of this standard after being cited in this standard. When this standard is published, the version shown is valid. All international standards will be revised. Departments using non-standard standards should explore the possibility of using the latest versions of the following standards: A/69--1988
Technical properties of high-quality carbon structural steel
GB.T 1298—1986wwW.bzxz.Net
Technical conditions for magnetic bearings
JB.TB044—1999
3 Dimensions
Technical requirements for machine tools and parts and components
Sizes are expressed as follows:
4 Technical components
4.1 Specification: D18mm, D>18mm as specified in TS0B/TJ29B, 20 system according to T99.
4.1 Heat treatment: T8 is 35~60IIRC; 20 steel paint depth 0.8-1.2mm, 55-60HRC, 4.3 Other technical conditions and JB/T8044 regulations 5 Marking
5.1 Certification example:
D=11.5mm, tolerance zone f7, F-14mm A-type internal positioning pin, residual pin A11.5×14JBT8014.2—[999 State Machinery Industry Bureau 1990806 approved
2000-01-01 implementation
D-3~:fmm
1B/T 8014.219
>10-18ur
D>10--15mn
n>18 yuan m
>8 - 10
> 10 - 14
314 -18
>18 - 20
>20 -24
> 24 - 30
> 4n - 50
Company: The tolerance band of D is determined by the design requirements
JB/T8014.3-1959
Maximum maintenance
-0 112X
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