GB/T 969-2007 English PDFUS$159.00 ยท In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GB/T 969-2007: Technical specification for taps Status: Valid GB/T 969: Historical versions
Basic dataStandard ID: GB/T 969-2007 (GB/T969-2007)Description (Translated English): Technical specification for taps Sector / Industry: National Standard (Recommended) Classification of Chinese Standard: J41 Classification of International Standard: 25.100.50 Word Count Estimation: 6,666 Date of Issue: 2007-07-26 Date of Implementation: 2007-12-01 Older Standard (superseded by this standard): GB/T 969-1994 Quoted Standard: ISO 8830-1991; MOD Regulation (derived from): National Standard Announcement 2007 No.7 (Total No.107) Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China Summary: This standard specifies the machine taps (high performance level and ordinary level), basic requirements for marking and packaging, hand taps and nut taps technical requirements. This standard applies to processing the common thread (GB/T l92, GB/T l93, GB/T l96, GB/T l97) with a tap. High-performance machine taps for CNC machine tools, machining centers or other automated tools. GB/T 969-2007: Technical specification for taps---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.Technical specification for taps ICS 25.100.50 J41 National Standards of People's Republic of China Replacing GB/T 969-1994 Taps technical conditions (ISO 8830.1991, High-speedsteelmachinetapswith groundthreads-Technicalspecifications, MOD) Posted 2007-07-26 2007-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released ForewordThis revised standard adopts ISO 8830.1991 "high-speed steel teeth Machine Taps technical conditions" (in English). This standard is based on ISO 8830.1991 re-drafted. This standard and ISO 8830.1991 compared to the following technical differences and editorial changes. --- Remove the foreword to international standards; --- Used instead of using decimal comma ",". ","; --- "This International Standard" by "this standard"; --- Normative documents column items, ISO 237 with the standard of GB/T 4267 in place, ISO 2857 standard with our GB/T 968 in place; --- Increase the surface roughness requirements; --- Increasing the high-performance machine taps, hand taps and nut taps requirements; --- Increased Grinding requirements tap the thread type; --- Increased taps threaded portion length tolerance; --- Increased packaging requirements; --- Deleted the Chapter 4, "cutting geometry." This standard replaces GB/T 969-1994 "Taps technical conditions." This standard and GB/T 969-1994 compared to the following changes. --- Increasing the foreword; --- 3.5 "circular checks among the top threaded portion and a shank taps beating" to "Taps round a common axis of the beating"; --- 3.11b) "on the length of twice the square head" to "within two square head length"; --- 3.5 "cutting portion" to "Cone"; --- Canceled a Chapter 4, "Performance Test"; --- Original 5.1e) "cobalt high speed steel manufactured standard 'HSS-Co'" to "high speed steel manufactured with standard 'HSS-E'". The standard proposed by China Machinery Industry Federation. This standard tool by the National Standardization Technical Committee (SAC/TC91) centralized. This standard was drafted. Chengdu Tool Institute. The main drafters of this standard. Deng Zhiguang, Zeng Yu ring. This standard replaces the standards previously issued as follows. --- GB 969-67, GB 969-83, GB/T 969-1994. Taps technical conditions1 ScopeThis standard specifies the machine tap (high performance level and ordinary level), hand taps and nut taps the technical requirements, the basic logo and packaging Claim. This standard applies to the processing of common screw (GB/T 192, GB/T 193, GB/T 196, GB/T 197) with a tap. High-performance machine taps mainly applicable to CNC machine tools, machining centers or other automated machines.2 Normative referencesThe following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 192 ordinary screw threads - Basic model (GB/T 192-2003, ISO 68-1.1998, MOD) GB/T 193 series ordinary thread diameter and pitch (GB/T 193-2003, ISO 261.1998, MOD) GB/T 196 common thread basic size (GB/T 196-2003, ISO 724.1993, MOD) GB/T 197 common thread tolerance (GB/T 197-2003, ISO 965-1.1998, MOD) GB/T 968 tap thread tolerance (GB/T 968-2007, ISO 2857. 1973, MOD) GB/T 4267 straight shank rotating tool shank diameters and sizes of driving squares of (GB/T 4267-2004, ISO 237. 1975, IDT)3 Technical requirements3.1 Taps surface without cracks, nicks, rust and grinding burns and other defects affecting performance. 3.2 Taps surface roughness of the maximum permissible values specified in Table 1. Table 1 in microns project Taps Name Machine Taps High performance grade Ordinary level Nut taps Hand taps H4 nut Taps Threaded surface R z 3.2 R z 3.2 R z 3.2 R z 12.5 Front R z 3.2 R 6.3 R z z z 6.3 6.3 R Behind R z 3.2 R 3.2 R z z z 3.2 R 6.3 Rao shank R 1.6 R 0.8 R Rao Rao Rao 1.6 R 3.2 Note 1. The front edge of the groove and connecting the tap should be smooth. Note 2. The adapters M2 ~ M30 of H4 nut tap shank surface roughness may not be specified. 3.3 tap thread tolerance shall comply with GB/T 968's. The diameter of the examination site provides as follows. Hand taps, Machine taps and nut taps. starting point in the calibration part inspection. Hand from the tap calibration part of the front end is less than 4 tooth pitch When checking in diameter from the front end 4 of the tooth. ......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GB/T 969-2007_English be delivered?Answer: Upon your order, we will start to translate GB/T 969-2007_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GB/T 969-2007_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 969-2007_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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Complying with the latest version means that, by default, it also complies with all the earlier versions, technically. |
