JB/T 8011.1-1999 Machine tool fixture parts and components circular eccentric

JB/T 8011.1-1999 This standard is a revision of JB/T 8011.1-95 "Circular Eccentric Wheels for 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 circular eccentric wheels with specifications of 25 to 70 mm. This standard was first issued in 1981 as GB 2191-80, and was first revised to GB/T 2191-91 on April 30, 1991, and adjusted to JB/T 8011.1-95 in April 1996. JB/T 8011.1-1999 Circular Eccentric Wheels for Machine Tool Fixture Parts and Components JB/T8011.1-1999 Standard download decompression password: www.bzxz.net

ICS 25. 080. 01
Machinery Industry Standard of the People's Republic of China
The parts and units of jigs and fixtures
The parts and units of jigs and fixtures1999-08-06Promulgated
State Bureau of Machinery Industry
Implementation on 2000-01-01
1 Scope
Machinery Industry Standard of the People's Republic of China
Parts and units of jigs and fixturesCircular eccentrie wheel
This standard specifies circular eccentric wheels with specifications of 25~70mm. 2 Referenced standardswwW.bzxz.Net
JB/T 8011.1-1999
Replaces JB/T8011.1—1995
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards are subject to revision, and parties using this standard should explore the possibility of using the latest versions of the following standards. Technical conditions for high-quality carbon structural steel
GB/T 699--1988
Technical requirements for machine tool fixture parts and components
JB/T80441999
3 Dimensions
The dimensions are shown in the following figure and table.
Approved by the State Bureau of Machinery Industry on August 6, 1999, and implemented on January 1, 2000
4 Technical conditions
Limit deviation
Limit deviation
4.1 Material: 20 steel in accordance with the provisions of GB/T699. JB/T8011.1-1999
Limit deviation
4.2 Heat treatment: carburizing depth 0.8~1.2mm, 58~64HRC. 4.3 Other technical conditions shall be in accordance with the provisions of JB/T8044. 5 Marking
5.1 Marking example:
Circular eccentric wheel with D=32mm:
Eccentric wheel 32JB/T8011.1—1999
Limit deviation
Limit deviation
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