GB/T 16456.4-2008 English PDF

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GB/T 16456.4-2008: End mills with brazed helical hardmetal tips -- Part 4: Technical specifications
Status: Valid

GB/T 16456.4: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 16456.4-2008	149	Add to Cart	2 days	End mills with brazed helical hardmetal tips -- Part 4: Technical specifications	Valid
GB/T 16456.4-1996	199	Add to Cart	2 days	End mills with brazed helical hardmetal tips--Part 4: Technical specifications	Obsolete

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Basic data

Standard ID: GB/T 16456.4-2008 (GB/T16456.4-2008)
Description (Translated English): End mills with brazed helical hardmetal tips -- Part 4: Technical specifications
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J41
Classification of International Standard: 25.100.20
Word Count Estimation: 5,583
Date of Issue: 2008-06-03
Date of Implementation: 2009-01-01
Older Standard (superseded by this standard): GB/T 16456.4-1996
Quoted Standard: GB/T 2075; GB/T 6118-1996; GB/T 16456.1; GB/T 16456.2; GB/T 16456.3
Regulation (derived from): National Standard Approval Announcement 2008 No.9 (Total No.122)
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 helical carbide end mill dimensions, material and hardness, appearance and surface roughness, logo and packaging technology requirements. This section applies to both GB/T 16456. 1, GB/T 16456. 2 and GB/T 16456. 3 production of carbide helical end mills.

GB/T 16456.4-2008: End mills with brazed helical hardmetal tips -- Part 4: Technical specifications

---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.
End mills with brazed helical hardmetal tips.Part 4. Technical specifications ICS 25.100.20 J41 National Standards of People's Republic of China Replacing GB/T 16456.4-1996 Helical carbide end mill Part 4. Technical conditions Posted 2008-06-03 2009-01-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

GB/T 16456 "helical carbide end mill" is divided into four parts. --- Part 1. straight shank end mill type and size; --- Part 2. 7.24 taper shank end mill type and size; --- Part 3. Morse taper shank end mill type and size; --- Part 4. Technical specifications. This section GB/T Part of 416,456. This part is GB/T 16456.4-1996 "helical carbide end mills - Part 4. technical conditions" amendments. Section compared with the GB/T 16456.4-1996 The main changes are as follows. --- Modify the normative references; --- Canceled GB/T 16456.4-1996 performance in the test section; --- Complements of carbide blade material requirements; --- Increasing the quality of welding; --- Increased carbide spiral blade docking requirements; --- Modify ordinary straight shank, taper shank Mohs hardness value of; --- Canceled the appearance and the surface roughness of the welding requirements, this content will be adjusted to the quality of the welding. This part is proposed by China Machinery Industry Federation. This part of the tool by the National Standardization Technical Committee (SAC/TC91) centralized. This section is drafted. a Henan Tools Co., Ltd., Chengdu Tool Institute. The main drafters of this section. Zhao Jianmin, Chen Shichang, Kong Chunyan, Pan Aiguo, Fan Yingjie, Wang Zhuo Lin, Dinglian Zhi, Zhang Hongmin, to be righteous. This part of the standard replaces the previous editions are. --- GB/T 16456.4-1996. Helical carbide end mill Part 4. Technical conditions

1 Scope

GB/T 16456 provisions of this part of the helical carbide end mill size, material and hardness, appearance and surface roughness standard Chi and packaging technology requirements. This section applies to press GB/T 16456.1, GB/T 16456.2 and GB/T 16456.3 production of carbide helical cutter.

2 Normative references

The following documents contain provisions which, through reference GB/T 16456 in this section constitute provisions of this section. For dated reference documents Member, all subsequent amendments (not including errata content) or revisions do not apply to this section, however, encouraged to reach under this section Parties to research agreement to use the latest versions of these documents. For undated reference documents, the latest versions apply to this section. GB/T 2075 Classification and use of cutting large groups and groups of application of hard cutting materials classification code (GB/T 2075- 2007, ISO 513.2004, IDT) GB/T 6118-1996 mills technical specifications GB/T 16456.1 helical carbide end mills - Part 1. straight shank end mill type and size (GB/T 16456.1- 2008, ISO 10145-1.1993, MOD) GB/T 16456.2 helical carbide end mills - Part 2. 7.24 taper shank end mill type and size (GB/T 16456.2-2008, ISO 10145-2.1993, MOD) GB/T 16456.3 helical carbide end mills - Part 3. Morse taper shank end mill type and size

3 Symbol

4 Dimensions

4.1 milling cutter shape and position tolerances specified in Table 1. Table 1 millimeters Radial circumferential edge of the shank axis runout Adjacent one week (≥4 teeth) Side edge of the handle axis End Circular Run Working part Cylindricity ≤25 0.020 > 25 0.032 0.016 0.020 0.040 0.010 NOTE. runout detection method according to GB/T 6118-1996 the provisions of Appendix A.

5 material and hardness

5.1 Material 5.1.1 spiral carbide blade According to GB/T 2075 packet classification rules, use code-named P20 ~ P30, K20 ~ K30 carbide spiral blade. ......

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