GB/T 6403.3-2008 PDF EnglishUS$70.00 · In stock · Download in 9 seconds
GB/T 6403.3-2008: Knurl 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 6403.3: Historical versions
Similar standardsGB/T 6403.3-2008: Knurl---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/GBT6403.3-2008GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.010 J 05 Replacing GB/T 6403.3-1986 Knurl Issued on. SEPTEMBER 22, 2008 Implemented on. MAY 01, 2009 Issued by. General Administration of Quality Supervision Inspection and Quarantine of PRC; Standardization Administration of PRC. Table of ContentsForeword... 3 1 Scope... 4 2 Knurl pattern... 4 3 Knurl shape... 4 4 Knurl size specifications... 5 5 Marking... 5 6 Technical requirements... 5ForewordGB/T 6403 is divided into five parts. - GB/T 6403.1 Radii of sphere surfaces; - GB/T 6403.2 Lubricating grooves; - GB/T 6403.3 Knurl; - GB/T 6403.4 Rounding and chamfer of parts; - GB/T 6403.5 Relief grooves for grinding wheels. This part is the part 3 of GB/T 6403. This part is a revision of GB/T 6403.3-1986 “Knurl”. The main differences between this part and GB/T 6403.3-1986 are as follows. - MAKE editorial changes in accordance with the requirements of GB/T 1.1- 2000; - ADD the foreword to the standard; - ADD the scope of application of the standard; - ADD the standard technical requirements. This part was proposed by and shall be under the jurisdiction of the National Machinery Shaft and Accessories Standardization Technical Committee. Drafting organizations of this part. China Machine Productivity Promotion Center, Shijiazhuang Sprocket General Factory, Deyang Lida Basic Parts Co., Ltd., China Shipbuilding Industry Corporation 711 Research Institute. The main drafters of this section. Ming Cuixin, Xu Wenjiang, Wang Jiannong, Kong Manjun, Deng Zhe. The part replaces the standards previously released as follows. - GB/T 6403.3-1986. Knurl1 ScopeThis part of GB/T 6403 specifies the general-purpose cylindrical surface knurling type and size. This part applies to cylindrical knurling for general purposes.2 Knurl patternThe pattern of knurl is shown in Figure 1.3 Knurl shapeThe shape of the knurl pattern is a vertical section of the pattern assuming that the working diameter is infinite, as shown in Figure 2.4 Knurl size specificationsThe size specifications of the knurl shall comply with the requirements of Table 1.5 MarkingStraight knurl with modulus number m = 0.3 mm.6 Technical requirements6.1 The average arithmetic deviation of the surface roughness profile before knurling is Ra ≤ 12.5 µm. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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