GB/T 10086-2018 PDF EnglishUS$95.00 · In stock · Download in 9 seconds
GB/T 10086-2018: Symbols for cylindrical worm and worm wheel 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 10086: Historical versions
Similar standardsGB/T 10086-2018: Symbols for cylindrical worm and worm wheel---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/GBT10086-2018GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 21.200 J 17 Replacing GB/T 10086-1988 Symbols for cylindrical worm and wormwheel Issued on: MAY 14, 2018 Implemented on: DECEMBER 1, 2018 Issued by. State Administration for Market Regulation; Standardization Administration of the PRC. Table of ContentsForeword ... 3 1 Scope ... 5 2 Normative references ... 5 3 Basic symbols for worm and wormwheel ... 5ForewordThis Standard is drafted in accordance with the rules given in GB/T 1.1-2009. This Standard replaces GB/T 10086-1988 “Terminology and symbols for cylindrical worm and wormwheel”. As compared with GB/T 10086-1988, the main changes of this Standard are as follows. - CHANGE the standard’s name to “Symbols for cylindrical worm and wormwheel”; - ADD the “Foreword” of the standard; - DELETE the content concerning the “requirements” in the scope of the former standard (SEE Clause 1; Clause 1 of the 1988 edition); - REFER to the latest edition of the relevant standards (SEE Clause 2; Clause 2 of the 1988 edition); - ADD “Combination rules for basic symbols” (SEE Clause 3); - LIST the basic symbols in tabular form (SEE Clause 3; Clause 3 of the 1988 edition); - DELETE the contents concerning terms (SEE Clauses 4, 5, and 6 of the 1988 edition). Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. The issuing authority of this document shall not be held responsible for identifying any or all such patent rights. This Standard was proposed by and shall be under the jurisdiction of National Technical Committee 52 on Gears of Standardization Administration of China (SAC/TC 52). Drafting organizations of this Standard. Chongqing Machine Tool (Group) Co., Ltd., Zhengzhou Research Institute of Mechanical Engineering Co., Ltd., Beijing University of Technology. Main drafters of this Standard. Li Xianguang, Yu Kebin, Li Yi, Zhang Yuanguo, Shi Zhaoyao, Long Lin, Zhang Liang, Li Mingyu, Xie Xiaoqing, Wang Zhigang, Lu Jun. The previous editions of the standard replaced by this Standard were released Symbols for cylindrical worm and wormwheel1 ScopeThis Standard specifies the symbols for cylindrical worm and wormwheel. This Standard is applicable to the cylindrical worm gearing with a shaft angle ∑=90°, and its worm and wormwheel.2 Normative referencesThe following documents are indispensable for the application of this document. For the dated references, only the versions with the dates indicated are applicable to this document. For the undated references, the latest version (including all the amendments) are applicable to this document. GB/T 2821-2003 Gear - Symbols for geometrical data3 Basic symbols for worm and wormwheel3.1 Combination rules for basic symbols The basic symbols for worm and wormwheel follow the requirements of 2.1 of GB/T 2821-2003. The main rules are as follows. a) The symbol consists of a main symbol or a main symbol plus one or more subscripts or a superscript; b) The main symbol can be a separate uppercase or lowercase letter. The letters shall be italic Roman or Greek letters; c) The subscript shall be a Roman letter or an Arabic numeral or a combination of both; d) All subscripts shall be marked on the same line and lower than the main symbol; e) Symbols with lines drawn (drawn above or below), superscripts other than indices, pre-subscripts, pre-superscripts, secondary subscripts, secondary superscripts, and dashes shall be avoided. 3.2 Main symbols ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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