JB/T 9937.1-1999 This standard is a revision of ZB J52 006.1-89 "Parameters of high-precision machine pliers". 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 9937 "High-precision machine pliers" series of standards, which includes the following three parts: JB/T 9937.1-1999 Parameters of high-precision machine pliers JB/T 9937.2-1999 Accuracy inspection of high-precision machine pliers JB/T 9937.3-1999 Technical conditions for high-precision machine pliers This standard specifies the basic parameters of high-precision machine pliers. This standard is applicable to high-precision machine pliers of new or improved design. This standard was first issued in March 1989. JB/T 9937.1-1999 High Precision Machine Flat-Nose Pliers Parameters JB/T9937.1-1999 Standard Download Decompression Password: www.bzxz.net
Some standard content:
ICS25.060.20 Machinery Industry Standard of the People's Republic of ChinabZxz.net JB/T9937.1~9937.3—1999 High Precision Machine Pliers 1999-05-20 Issued National Bureau of Machinery Industry 2000-01-01 Implementation JB/T9937.1—1999 This standard is a design of ZBJ520061-89 High Precision Machine Flat Pins. The original version was formulated based on the market needs of high precision machine flat pins and the requirements of users. Its technical content still meets the current scientific and technological level and is suitable for production process requirements. This standard is consistent with the technical content of ZBJ52006.1-89 in February 2006 and has been re-edited in accordance with relevant regulations. This standard is a part of the series of high-precision machine pliers. JB/T9937 includes the following parts in the general title of high-precision machine pliers: Part 1 (ie JB/T9937.1): Number: Part 2 (ie JB/T9937.2): Accuracy inspection: Part 3 (ie JB/9937.3): Technical conditions This standard will replace 2HJ52006.1-89 from the date of implementation. This standard is proposed by the National Metal Cutting Machine Tool Standardization Technical Committee. This standard is under the jurisdiction of the Machine Tool Accessories Branch of the National Metal Cutting Machine Tool Standardization Technical Committee. The responsible drafting unit of this standard is: Nandian Machine Tool Accessories Factory. The drafting unit of this standard is: Dajing Machine Tool Accessories Factory. This standard was first issued in March 1989. Machinery Industry Standard of the People's Republic of China High Precision Machine Flat-Nose Pliers This standard specifies the basic parameters of high precision anti-speed flat pliers This standard is applicable to the basic parameters of high precision machine flat-nose pins 2 of the newly designed or improved design Type and size of high precision machine flat-nose pliers Figure 1, Table 1. Body Width Degree According to the door Thank the mouth most people rise and sit on Approved by the State Machinery Industry Bureau on May 20, 1999SU Active time mouth explosion teacher JB/T9937.1-[999 2000-01-01 delivery Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.