JB/T 10126.3-1999 This standard specifies unequal angle irons with a specification of 200~800mm. This standard was first issued in 1983 as JB 3406-83 and revised for the second time in 1991 as GB/T 12895-91. JB/T 10127.3-1999 Unequal Angle Irons for Machine Tool Fixture Parts and Components JB/T10127.3-1999 Standard Download Decompression Password: www.bzxz.net
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IC5 28.060.41 Standard of the Machinery Industry of the People's Republic of China Parts and units of jigs and fixtures Issued on August 6, 1999 State Bureau of Machinery Industry Implemented on January 1, 2000bZxz.net Standard of the Machinery Industry of the People's Republic of China Parts and units of jigs and fixtures Unequalangles This standard specifies the unequalangles of 20-mm-2. Reference Standards JB/T 10127.3—1999 The following standards contain the following texts, which become the provisions of this standard through the use of the right subscript. When this standard is published, the versions shown are effective. All standards are subject to revision. Parties dealing with this standard should consider using the latest version of the following standards as much as possible: GB/T9439-1988 Carbon Certificate Continuation JB/T S044—1999 3 Dimensions Technical requirements for machine parts and components Dimensions are shown in the following figure. 4 Technical conditions 4.1 Material: HIT200 as specified in GR/T9439. 4.2 The machine shall be treated as before. 4.3 The radius of the casting fillet not specified is -R5. 4.4 The number of grinding points shall not be less than 16 for every 25 mm×25 mm area. 4.5 Other technical conditions shall be in accordance with the provisions of D/T8044 5 Marking 5. 1 Marking example: t=800mm, R=5mm unequal angle iron: Angle iron 800×500B10127.3199g Approved by the State Machinery Industry Bureau on August 6, 1990, implemented on January 1, 2000 JB/T10127.3—1999 1 The structure and quantity of the holes can be designed according to the needs of use. 225×25m surface [not less than 16. Search number n 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.