GB/T 6480-2015 English PDF

US$239.00 · In stock
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GB/T 6480-2015: Carbide detachable bit for rock drilling
Status: Valid

GB/T 6480: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 6480-2015	239	Add to Cart	3 days	Carbide detachable bit for rock drilling	Valid
GB/T 6480-2002	399	Add to Cart	3 days	Carbide detachable bit for rock drilling	Obsolete
GB/T 6480-1994	399	Add to Cart	3 days	Carbide detachable bit for rock drilling	Obsolete
GB 6480-1986	439	Add to Cart	4 days	Carbide detachable bit for percussive drilling	Obsolete

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Basic data

Standard ID: GB/T 6480-2015 (GB/T6480-2015)
Description (Translated English): Carbide detachable bit for rock drilling
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: H44
Classification of International Standard: 77.140.60
Word Count Estimation: 11,188
Date of Issue: 2015-09-11
Date of Implementation: 2016-06-01
Older Standard (superseded by this standard): GB/T 6480-2002
Quoted Standard: GB/T 2527; YS/T 296
Regulation (derived from): National Standard Announcement 2015 No.25
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 carbide drill head specifications, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This Standard applies to drilling with a diameter of 28 mm ~ 152 mm carbide drill bits.

GB/T 6480-2015: Carbide detachable bit for rock drilling

---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.
(Drilling with carbide drill bits) ICS 77.140.60 H44 National Standards of People's Republic of China Replacing GB/T 6480-2002 Drilling with carbide drill bits Issued on. 2015-09-11 2016-06-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

This standard was drafted in accordance with GB/T 1.1-2009 given rules. This standard replaces GB/T 6480-2002 "Drilling with carbide drill bit", compared with the GB/T 6480-2002, the main technical change as follows. --- Expanding the diameter range; --- Modify the "ball gear" codenamed "pillar teeth", the code is changed from "Q" to "Z"; --- Increased composite drill head of the corresponding requirements; --- Increase R32 metric thread, thread code thread Rm in the waveform; increase and double trapezoidal thread trapezoidal thread connecting with solder head-related content. The standard proposed by China Iron and Steel Association. This standard by the National Steel Standardization Technical Committee (SAC/TC183) centralized. This standard was drafted. Shougang Guiyang Special Steel Co., Ltd., Metallurgical Industry Information Standards Institute, Steel Research Institute. The main drafters of this standard. Xiongjia Ze, Yang Yun, Liu gem, ZHANG Chun-hong, Wang Chou-seng, Dong Xin, Wang Yujie Ding Lian, Cheng Jinyang, Xu Bin. This standard replaces the standards previously issued as follows. --- GB/T 6480-1986, GB/T 6480-1994, GB/T 6480-2002. Drilling with carbide drill bits

1 Scope

This standard specifies the carbide drill head specifications, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to drilling with a diameter of 28mm ~ 152mm carbide drill bits.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB/T 2527 mining, oil drill with carbide teeth YS/T 296 drilling tools with carbide products

3 order contents

According to the standard order contract or order should include the following. a) the standard number; b) the product name; c) alloy grades; d) specification model; e) the number; f) Special requirements.

4 Specifications Model

4.1 drill head models 4.1.1 presentation rules Specifications Model drill head by a type code, drill bit diameter, main dimensions, connection type and the type of pants code components. Note. The connection cone drill head main dimensions using taper (taper after a decimal point, a decimal point) and cone large end diameter (cone diameter big end by rounding After the 500 into law a decimal point). Main dimensions Threaded drill head threaded nominal diameter. 4.1.2 Types drill head 4.1.2.1 drill head according to the head of different types can be divided into tabular type (in-line, three blade-shaped, cross-shaped, X-shaped), column tooth (according to the head level Surface shape can be divided into. planar column gear, column-shaped concave tooth and tooth crown shaped columns) and compound. Typical examples of the graphic shown in Figure 1 to 8. ......

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