This standard replaces GB 4141.2-84. This standard specifies the type, size and technical requirements of curved handles. JB/T 7270.2-1994 Curved handles JB/T7270.2-1994 Standard download decompression password: www.bzxz.net
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Machinery Industry Standard of the People's Republic of China JB/T7270~7277-94 Operating parts Published on June 18, 1994 Ministry of Machinery Industry of the People's Republic of China Implementation on January 1, 1995 Mechanical Industry Standard of the People's Republic of China Subject content and scope of application This standard specifies the type, size and technical requirements of curved handles. 2 Reference standards JB/T7276 Operating parts marking method JB/T7277 Technical conditions for operating partsWww.bzxZ.net Type and size The type and size of curved handles shall be as specified in Figure 1 and Table 1. B Approved by the Ministry of Machinery Industry on June 18, 1994 JB/T 7270.294 Implemented on January 1, 1995 Basic dimensions Limit deviation JB/T7270.2—94 Note: Upon consultation between the supplier and the buyer, the hexagon socket may not be provided at the end of the B-type handcart. 4 The marking method shall comply with the provisions of JB/T7276. Marking example Weight per piece Type A, d=6, L=50, l=10, 35 steel, sandblasted chrome-plated curved handle is marked as: handle 6×50×10JB/T7270.29JB/T7270.2 Type B, d,=M6, L=50, 35 steel, sandblasted chrome-plated curved handle is marked as: handle BM6×505Technical requirements 5.1Material 35 steel; Q235-A. 5.2Surface treatment Sandblasted chrome plating (PS/D·Cr): polished (D·L,Cr); oxidation (H·Y). Other technical requirements shall comply with the provisions of JB/T7277. 5.3 Additional notes: This standard is proposed and managed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry. This standard was drafted by the Machinery Standardization Research Institute of the Ministry of Machinery Industry, and Shanghai Machine Tool Accessories Factory No. 6 and Shanghai Machine Tool Factory participated in the drafting. According to the Appendix 3 of the State Technical Supervision Bureau's Document No. (1992) 549, "National Standards Adjusted to Industry Standards", this standard replaces GB4141.2-84. 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.