JB/T 8018.1-1999 This standard is a revision of JB/T 8018.1-95 "V-blocks 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 V-blocks with specifications of 9~85mm. This standard was first issued in 1981 as GB 2208-80, first revised to GB/T 2208-91 on April 30, 1991, and adjusted to JB/T 8018.1-95 in April 1996. JB/T 8018.1-1999 V-blocks for machine tool fixture parts and components JB/T8018.1-1999 Standard download decompression password: www.bzxz.net
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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 fixtures1999-08-06 Issued 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 V-blocks The partx and units of jigs and fix1uresv-blork This special standard specifies the shapes with specifications of 9-85mm. 2 Reference standards JR/T8018.1-1999 IB/T80La.11955 The clauses contained in the following standards are used in this standard and constitute non-standard clauses. When a non-standard is published, the version is for implementation. All standards will be revised. Parties using non-standards should consider the possibility of using the latest version of the following standards. GH/699—1988 High-quality carbon absolute structural steel dialing conditions JH door 8044—1999 Machine tool fire and its parts and components - Technical requirements 3 Sizes The sizes are shown in the following figure and table, National Machinery Industry Bureau 1999-08-06 Approved 2000-01-01 Court 2 15 - 20 bzxZ.net >260 - 25 >25 .- 35 >35-41 >45 - 60 811999 Note: Calculation formula for small T: H0 .5A: 4 Technical conditions 4.1 Material: 20 steel as per GA/T699, 13 4.2 Heat treatment: penetration depth 0.8-1.2mm, 58-MHRC4.3 Other technical conditions as per JA/T80M4 5 Marking s.1 Marking Example: W=74mm V-shaped block: V-shaped fastener 24JB8018.1—1999 Limited energy curing 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.