JB/T 9936.2-1999 This standard is a revision of ZB J52 005.2-89 "Precision of flat-nose pliers for tilting machines". During the revision, only editorial changes were made according to relevant regulations, and the main technical content remained unchanged. This standard is part of the JB/T 9936 "Flat-nose pliers for tilting machines" series of standards, which includes the following three parts: JB/T 9936.1-1999 Parameters of flat-nose pliers for tilting machines JB/T 9936.2-1999 Precision inspection of flat-nose pliers for tilting machines JB/T 9936.3-1999 Technical conditions for flat-nose pliers for tilting machines This standard specifies the geometric accuracy, inspection requirements, inspection items and inspection tools of flat-nose pliers for tilting machines. This standard is applicable to flat-nose pliers for tilting machines of ordinary accuracy. This standard was first issued in March 1989. JB/T 9936.2-1999 Accuracy test of flat jaw pliers for tilting machines JB/T9936.2-1999 Standard download decompression password: www.bzxz.net

ICS 25.060.20
Machinery Industry Standard of the People's Republic of China
JB/T9936.1~9936.3-1999
Flat-nose pliers for tilting machines
Published on 1999-05-20
National Urban Construction Bureau
Implemented on 2000-01-01
JB/T9936.2-199
This standard is a revision of 2B152005289 "Precision of flat-nose pliers for tilting machines". The original version was formulated based on the market needs and user requirements of flat-nose pliers for tilting machines. Its technical content can still meet the current scientific and technological level and adapt to production and use needs. This standard is consistent with the technical content of BJ52005.289, and only the relevant regulations have been newly edited. This standard is part of the series of standards for flat-edge straightening for tilting machines. JB/T9936, under the general standard for flat-edge straightening for tilting machines, includes the following parts: Part 1 [JB9936.1]: Parameters: Part 2 (JB9936.2): ​​Accuracy inspection: Part 3 (JB9936.3) Technical requirements. This standard replaces ZDJ52005.2-9 from the date of implementation. This standard is proposed by the National Technical Committee for Standardization of Cutting Machine Tools. This standard is under the jurisdiction of the Machine Tool Accessories Branch of the National Technical Committee for Standardization of Cutting Machine Tools. The responsible drafting unit of this standard is Nanjing Machine Tool Accessories Factory. This standard was first issued in March 1989.
1 Standard of the People's Republic of China on Machinery Industry
Precision Inspection
Flat-nose pliers for tilting machines
JB/T9936.2—1999
Generation BJ52005.1—R9
This standard specifies the geometric softness, shuttle inspection requirements, inspection items and inspection tools of flat-nose pliers for tilting machines. This standard is used to obtain high-quality flat-nose pliers for tilting machines. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard by citing them in the unspecified texts. When this standard is published, the versions shown are valid and all other standards will be revised. Parties using unspecified standards should explore the possibility of using the latest version of the following standards. GBT17421.1--199B Machine tool inspection procedures Part 1: Several precisions of machine tools under no-load or precision machining conditions 3 Brief description
3.1 The precision inspection procedures of this standard refer to GBT17421.1. 3.2 The precision inspection dates listed in this standard do not represent the actual inspection schedule. In order to speed up the inspection and maintenance, the inspection can be carried out in any order.
3.3 When the measured length is different from the length specified in this standard, the tolerance shall be calculated based on the provisions of 2.3.1.1 of GB/T17421.11998 according to the measurable length. When the conversion result is less than 0.01mm, it shall still be calculated as 0.01mm. H, Guohao Machinery Industry Kitchen Approved on May 20, 1999, implemented on January 1, 2000
JB/T99362-19Hbzxz.net
［】士
JB/L5936.2-1999
Shao Kaijia
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