GB/T 25378-2010 English PDF

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GB/T 25378-2010: Collets with 8-degreesetting angle for tool shanks -- Collets, nuts and fitting dimensions
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25378-2010	349	Add to Cart	3 days	Collets with 8-degreesetting angle for tool shanks -- Collets, nuts and fitting dimensions	Valid

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Basic data

Standard ID: GB/T 25378-2010 (GB/T25378-2010)
Description (Translated English): Collets with 8-degreesetting angle for tool shanks -- Collets, nuts and fitting dimensions
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J52
Classification of International Standard: 25.60.20
Word Count Estimation: 15,169
Date of Issue: 2010-11-10
Date of Implementation: 2011-03-01
Quoted Standard: GB/T 1804-2000
Adopted Standard: ISO 15488-2003, MOD
Regulation (derived from): National Standard Approval Announcement 2010 No.8 (Total No.163)
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 provides for clamping round work to handle its collet (A type, B type), collet holder and nut sizes, materials, technical requirements and marking. Do not meet this standard collet, collet drawings such as otherwise provided by the agreement between decisions. A model for milling and other holes for clamping stiffness requirements, the tolerance range of clamping ring is hIO. Type B is generally the case for expanding the scope of the required clamping.

GB/T 25378-2010: Collets with 8-degreesetting angle for tool shanks -- Collets, nuts and fitting 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.
Collets with 8-degreesetting angle for tool shanks. Collets, nuts and fitting dimensions ICS 25.60.20 J52 National Standards of People's Republic of China Installation tool holder with 8 ° cone collet chuck Collets, nuts and fitting dimensions Coletswith8 ° settinganglefortoolshanks- Colets, nutsandfittingdimensions (ISO 15488.2003, MOD) Issued on. 2010-11-10 2011-03-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Introduction Ⅲ 1 Scope 1 2 Normative references 1 3 Size 1 3.1 General Description 1 3.2 collet chuck 1 3.3 Chuck Block 3 3.4 nut 4 3.5 collet chuck runout tolerance 4 4 material 5 4.1 collet chuck 5 4.2 nut 5 5 Technical requirements 5 5.1 collet chuck 5 5.2 Chuck Block 6 5.3 nut 6 6 marks 6 6.1 collet chuck 6 6.2 Chuck Block 6 6.3 nut 6 6.4 test rods 6 7 Flag 7 8 assembly 7 Appendix A (normative) taper angle tolerance AT3 and AT4 8

Foreword

This revised standard adopts ISO 15488.2003 "Installation tool holder with 8 ° cone collets collets, nuts and fitting dimensions" (In English). This standard is based on ISO 15488.2003 redrafted. Taking into account China's national conditions, in the use of ISO 15488.2003 when you made the following technical modifications. --- The surface roughness Rz Ra value to value. This standard and ISO 15488.2003 as compared to, editorial changes as follows. --- The "this International Standard" by "this standard"; --- Use the decimal symbol "*" instead of as a decimal comma ","; --- Remove the foreword and introduction of international standards. Appendix A of this standard is a normative appendix. The standard proposed by China Machinery Industry Federation. The standard metal cutting machine tools by the National Standardization Technical Committee (SAC/TC22) centralized. This standard was drafted. Yantai Machine Tool Research Institute annex, Shanghai Jin Precision Machine Tool Accessories Co., Ltd. basket. The main drafters of this standard. when said Qing, Qian Zhiming. Installation tool holder with 8 ° cone collet chuck Collets, nuts and fitting dimensions

1 Scope

This standard specifies the tools with cylindrical shank for clamping collet chuck (A, B type), the cartridge holder and nut size, material, technical requirements And tags. Do not meet this standard collet chuck, chuck, for example drawings as otherwise provided by the agreement between the decision. Type A for milling and other holes for clamping stiffness requirements, clamping tolerance range h10. B type is generally used to expand the circumstances clamping range requirements.

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 1804-2000 General tolerances for linear and angular dimensions without individual tolerance tolerance (eqv ISO 2768-1. 1989)

3 Dimensions

3.1 General Description Collets, collet nut does not have to match the seat and Figs. 1 to 3; only a given size should be consistent. General tolerances. GB/T 1804-2000 specified m. 3.2 collet chuck Figure 1 and Table 1. Tolerances in millimeters The surface roughness in microns Figure 1 A and B collets ......

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