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GB/T 5014-2017: Pin coupling elastomer Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 5014: Historical versions
Similar standardsGB/T 5014-2017: Pin coupling elastomer---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT5014-2017PEOPLE’S REPUBLIC OF CHINA ICS 21.120.20 J 19 GB/T 5014-2017 Replacing GB/T 5014-2003 Pin coupling elastomer Issued on. May 12, 2017 Implemented on. December 1, 2017 Issued by. General Administration of Quality Supervision, Inspection and Quarantine of the People’s Republic of China Standardization Administration of the People’s Republic of China. Table of ContentsForeword ... 3 1 Scope ... 4 2 Normative references ... 4 3 Type, basic parameters and main dimensions ... 4 4 Marking method ... 15 5 Technical requirements ... 15 6 Inspection rules ... 16ForewordThis Standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB/T 5014-2003 “Pin coupling elastomer”. Compared with GB/T 5014-2003, except for editorial revision, the main technical changes are as follows. -- Modified the allowable rotate speed 3870 in Table 1 to 3850 and the allowable rotate speed 1080 in Table 1 and Table 2 to 1060; -- Unified the long cylindrical shaft holes and short cylindrical axis holes to Y axis holes; -- Changed the material for brake wheel from ZG 270-500 to ZG 310-570; -- Added examples of marking; -- Delete Chapter 7 marking, packing and storage. This Standard was proposed by and shall be under the jurisdiction of the National Technical Committee for Standardization of Machine shafts and Accessories (SAC/TC 109). Drafting organizations of this Standard. Deyang Lida Basic Parts Co., Ltd., China Machinery Productivity Promotion Center, Taiyuan Heavy Industry Co., Ltd., Zhejiang Xipuli Seal Technology Co., Ltd., Wuhan Zhengtong Transmission Technology Co., Ltd. Main drafters of this Standard. Liu Xueguang, Ming Cuixin, Wang Xiaoling, Xi Weimin, Yu Xiaosuo, Deng Gaojian. The previous releases of the standards replaced by this standard are. -- GB/T 5014-1985, GB/T 5014-2003. Pin coupling elastomer1 ScopeThis Standard specifies the types, basic parameters, main dimensions, marking method, technical requirements and inspection rules of the LX type and LXZ type elastic pin coupling (hereinafter referred to as the coupling). This Standard is applicable to the driving shaft system connecting the two coaxial lines with transmission nominal torque of 250N·m~ 1800N·m at working temperature of 20°C~ +70°C, and has the function of compensating the relative displacement of the two axes and buffering the axes.2 Normative referencesThe following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. GB/T 699 Quality carbon structure steels GB/T 3852 Types and dimensions for coupling bores and their connection GB/T 5783 Hexagon head bolts. Full thread GB/T 11352 Carbon steel castings for general engineering purpose3 Type, basic parameters and main dimensions3.1 The basic parameters and main dimensions of the LX type elastic pin coupling (basic type) shall conform to the requirements of Figure 1 and Table 1. Note 2. the compensation listed in the table refers to the biaxial relative deviation due to installation error, shock, vibration, deformation, temperature change, etc. The installation deviation should be less than the value in the table.4 Marking method4.1 The marking method of coupling shall be as per GB/T 3852. 4.2 Examples of marking. Example 1. LX6 elastic pin coupling Drive end. type Y shaft hole, type A keyslot, d1=65mm, L=142mm; Follow end. type Y shaft hole, type A keyslot, d2=65mm, L=142mm. Coupling Example 2. LX7 elastic pin coupling Drive end. type Z shaft hole, type C keyslot, dZ=75mm, L=107mm; Follow end. type J shaft hole, type B keyslot, d2=70mm, L=107mm. Coupling Example 3. LXZ5 elastic pin coupling with brake wheel Half coupling end. type J shaft hole, type B keyslot, d2=60mm, L =107mm; Brake wheel end. type J shaft hole, type B keyslot, d1=55mm, L=84mm. Coupling5 Technical requirements5.1 The material for the main parts of the coupling shall comply with Table 4. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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