JB/T 8013.1-1999 Machine tool fixture parts and components positioning bushings

JB/T 8013.1-1999 This standard is a revision of JB/T 8013.1-95 "Location Bushings 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 locating bushings with specifications of 3~78mm. This standard was first issued in 1981 as GB 2201-80, first revised to GB/T 2201-91 on April 30, 1991, and adjusted to JB/T 8013.1-95 in April 1996. JB/T 8013.1-1999 Locating Bushings for Machine Tool Fixture Parts and Components JB/T8013.1-1999 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 fixtures1999-08-06Published
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 fixtures
Location bushings
The parts and anils ufjigs und fixluresLocating hosh
This standard specifies the locating sleeves with a specification of 3-Rmm. 2 Reference standards
JB1013.1-1999
The provisions listed above are cited in the machine standards and constitute the provisions of this standard. When this standard was published, the versions shown were all valid. All standards are subject to revision. Parties using this standard should explore the possibility of using the following standard versions. GB: T699-1988 GB/T 298-1986 JB/T 8044-1999 3 Dimensions Technical conditions for high-quality carbon steel structures 1. Technical conditions for tool steel Technical requirements for machine tool clamps and parts and components Sizes are as follows: Approved by the State Machinery Industry Bureau on August 6, 1999 Type 200:0-01-01 Implementation No size Please inquire! Please contact us for a quick reply
4 Technical case
Jn/T 8013.11999bzxz.net
Prohibited dimensions
4.1 Cutting material: d25mm, T8 cut according to GBT1298 regulations
FO 019
d>25mm1, 20 system according to (BT699 provisions D
4.2 table processing: T8 is 55-60HRC: 20 system rate magnetic depth 0.8~1.2mm, 55-60FIRC.126
for HG
for H7
4.3 Technical conditions according to 1B/T self-44 provisions. 5 Marking
5.1 Marking example:
83013.1-1999
d=72imm, tolerance zone is Hi, H=20m4 type positioning sleeve: positioning sleeve A22HG×20JR/T8017.1—199912?
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