GB/T 2080-2007 English PDF

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GB/T 2080-2007: Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole -- Dimensions
Status: Valid

GB/T 2080: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 2080-2007	494	Add to Cart	4 days	Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole -- Dimensions	Valid
GB/T 2080-1987	799	Add to Cart	5 days	Indexable hardmetal (carbide) inserts with rounded corners, with partly cylindrical fixing hole--Part 1: Dimensions of inserts with 7 degree normal clearance	Obsolete

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Basic data

Standard ID: GB/T 2080-2007 (GB/T2080-2007)
Description (Translated English): Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole -- Dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H70
Classification of International Standard: 77.160
Word Count Estimation: 25,266
Date of Issue: 2007-11-23
Date of Implementation: 2008-06-01
Older Standard (superseded by this standard): GB/T 2080-1987
Adopted Standard: ISO 6987-1998, IDT
Regulation (derived from): China National Standard Approval Announcement2007 No.12 (Total No.112)
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 rounded, sink hole fixed carbide indexable large size. This standard applies to sink through screws or through other means (such as latches fixed) mounted on the cutter, drilling tools, and with rounded corners, sink hole fixed carbide indexable inserts.

GB/T 2080-2007: Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole -- Dimensions

---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.
Indexable hard material inserts with rounded corners, with partly cylindrical fixing hole. Dimensions ICS 77.160 H70 National Standards of People's Republic of China Replacing GB/T 2080-1987 With rounded corners sink hole fixed carbide Indexable insert size (ISO 6987.1998, IDT) Posted 2007-11-23 2008-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard is identical with ISO 6987.1998 "rounded sink hole fixed carbide indexable insert size." This standard is based on ISO 6987.1998 Translation drafted. For ease of use, this standard made the following editorial changes. --- Remove the foreword to international standards. This standard replaces GB/T 2080-1987 "carbide with countersunk hole of indexable inserts." This standard compared with GB/T 2080-1987, the main changes are as follows. --- After the original national standard method with 7 ° angle of an equilateral triangle blade TCMW130304, TCMT130304 value of m1 by the basic dimensions 11.513mm revised 11.51mm; TCMW130308, TCMT130308 value of m1 by the basic size 11.116mm Amendment to 11.113mm; --- Increasing the size and tolerances of the provisions of the blade after an equilateral triangle with 11 ° angle of law; --- After the original national standard method with 7 ° angle square blade SCMW15 ××××, SCMT15 ××××, SCMW19 × Tolerance and SCMT19 ×××× ××× value of m1 revised by ± 0.15mm ± 0.1mm; --- Increasing the size and tolerances of the blade after a predetermined square method with 11 ° angle; --- Knife sharp increase of 80 °, with 11 ° after the law angle diamond blade dimensions and tolerances of the provisions; --- Increased to 35 ° diamond knife sharp blade dimensions and tolerances of the provisions; --- Deleted after round 7 ° angle method, the size of the blades without chipbreaker and tolerance requirements. Increased law after angle of 11 ° circular knife Size and allowable deviation specified sheet; ± 0.13mm; --- Sharp knife cut out for the 80 ° equilateral equiangular hexagon not after 7 ° angle of law, not the size of the chip breaker inserts and tolerance requirements. The Standard Appendix A, Appendix B, Appendix C is normative appendix, Appendix D is an informative annex. The standard proposed by China Nonferrous Metals Industry Association. This standard Nonferrous Metals by the National Standardization Technical Committee. This standard by Zhuzhou Cemented Carbide Group Co., Ltd. Zhuzhou Diamond Cutting Tools Co., Ltd. is responsible for drafting. The main drafters of this standard. Chen Ying, Deng Akimoto, Yang Jianguo, Li Jing-rong, Chen Dongwei. This standard replaces the standards previously issued as follows. --- GB/T 2080-1980, GB/T 2080-1987. With rounded corners sink hole fixed carbide Indexable insert size

1 Scope

This standard specifies the rounded, sink hole fixed carbide indexable insert size. This standard applies to countersunk head screws or by other means (such as a bolt fixed) mounted on the cutting, drilling tools, with rounded corners, Sink hole fixed carbide indexable inserts.

2 Normative references

The 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 2075 with the use of cutting chips form large groups and groups of application of hard cutting materials classification codes (ISO 513. 1991, IDT) GB/T 2076 Rules of cutting tools represented by indexable insert size (ISO 1832.2004, MOD)

3 blade type

Included in this standard carbide indexable inserts have the following types. --- TC. with the law after 7 ° blade angle of the equilateral triangle; --- TP. with the law after the 11 ° blade angle of the equilateral triangle; --- SC. After 7 ° with a square blade angle method; --- SP. with the law after 11 ° blade angle of the square; --- CC. After method with 7 ° angle, 80 ° diamond knife pointed blade; --- CP. After method with 11 ° angle, 80 ° diamond knife pointed blade; --- DC. After the law with 7 ° angle, 55 ° diamond knife pointed blade; --- VB. after method with 5 ° angle, 35 ° diamond knife pointed blade; --- VC. After method with 7 ° angle, 35 ° diamond knife pointed blade; --- RC. with a circular blade method after 7 ° angle; --- RP. After the circular blade with a 11 ° angle of law; --- WC. after the law with 7 ° angle, 80 ° nose angle hexagonal blade. Indexable insert contained in this standard can take chipbreaker (represented by the symbol T) to be without chip breaker (indicated by symbol W). The standard does not specify chipbreaker shape and size, and therefore, if necessary, or may be attached schematic diagram will be described. Table C. 1 to Table C. 4 shows the range of blade sizes.

4 interchangeability

4.1 dimensions and tolerances Carbide contained in this standard indexable insert should be consistent GB/T 2076 in the M-class tolerance, VC-blades should be consistent GB/T 2076 in Class G tolerance. Appendix A gives M-class deviation in line with GB/T 2076's. ......

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