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GB/T 21012-2007 English PDF

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GB/T 21012-2007: Precision machining centre -- Specifications
Status: Valid
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GB/T 21012-2007English369 Add to Cart 3 days [Need to translate] Precision machining centre -- Specifications Valid GB/T 21012-2007

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Basic data

Standard ID GB/T 21012-2007 (GB/T21012-2007)
Description (Translated English) Precision machining centre -- Specifications
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard J54
Classification of International Standard 25.040.10
Word Count Estimation 14,123
Date of Issue 2007-07-17
Date of Implementation 2007-12-01
Regulation (derived from) China National Standard Announcement 2007 No.7 (Total No.107) - National-Standard-Commission
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 manufacturing of precision machining centers and acceptance requirements. This standard applies to 2000 mm stroke linear axis precision machining centers. Linear axis travel more than 2000 mm of precision machining center can also refer to the use.

GB/T 21012-2007: Precision machining centre -- 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.
Precision machining centres. Specifications ICS 25.040.10 J54 National Standards of People's Republic of China Precision Machining Center Conditions Posted 2007-07-17 2007-12-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Table of Contents

Preface Ⅰ 1 Scope 1 2 Normative references 1 3 Technical requirements 1 3.1 Overview 1 3.2 Accessories and tools 2 3.3 Safety and Health 2 3.4 processing and assembly quality 2 4 Inspection and Acceptance 3 4.1 Overview 3 4.2 General Requirements 3 4.3 Visual inspection 4 4.4 Accessories and tools 4 4.5 parametric tests (checks) 4 4.6 Machine dry run test 4 4.7 Machine continuous dry run test 5 4.8 load test machine 6 4.9 Minimum setting unit test 6 4.10 point return Test 8 4.11 10 machine accuracy test 5 packaging and accompanying documents 10

Foreword

Supporting the use of this part of the standard are. --- GB/T 20957.1-2007 "Test conditions for precision machining centers - Part 1. horizontal spindle and with geometric precision machine head Verifier (horizontal Z-axis) "; --- GB/T 20957.2-2007 "Test conditions for precision machining centers - Part 2. universal primary vertical or with vertical primary rotary axis Geometric tests for machines spindle head (vertical Z axis) "; --- GB/T 20957.4-2007 "Test conditions for precision machining centers - Part 4. Positioning precision linear and rotary axes and heavy Re-positioning accuracy test "; --- GB/T 20957.5-2007 "Test conditions for precision machining centers - Part 5. Clamp the workpiece pallet positioning accuracy and repeatability Positioning accuracy test "; --- GB/T 20957.7-2007 "Test conditions for precision machining centers - Part 7. Finishing accuracy test specimen." Since the implementation of this section, but annulled JB/T 8773-1998 "precision machining centers and technical conditions." 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. Kunming Machine Tool Co., Ltd., Beijing Machine Tool Research Institute, Beijing Institute of milling. The main drafters of this standard. Tangqi Shou, Zhang Xiaoyi, Lixiang Wen, Hu Ruilin. Precision Machining Center Conditions

1 Scope

This standard specifies the precision machining centers and inspection requirements. This standard applies to linear axis stroke of 2000mm precision machining centers. Linear axis stroke exceeds 2000mm precision machining center can also refer to use.

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 5226.1-2002 Safety of machinery electrical equipment Part 1. General requirements (IEC 60204-1.2000, IDT) GB/T 9061-2006 General technical conditions for metal cutting machine tools GB 15760-2004 Metal-cutting machine tool safety general technology condition GB/T 16769-1997 Metal-cutting machine noise level measurements GB/T 17421.2-2000 Test code for machine tools - Part 2. CNC axis positioning accuracy and repeatability of determination (Eqv ISO 230-2.1997) GB 18568-2001 processing center security and technical conditions GB/T 20957.1-2007 Test conditions for precision machining centers - Part 1. horizontal spindle and with geometric precision inspection machine head Test (horizontal Z-axis) (ISO 10791-1.1998, MOD) Universal vertical spindle head or with vertical primary rotary axis. GB/T 20957.2-2007 Test conditions for precision machining centers - Part 2 Geometric tests for machines (vertical Z axis) (ISO 10791-2.2001, MOD) GB/T 20957.4-2007 Test conditions for precision machining centers - Part 4. Positioning precision linear and rotary axes, and constant repetition Bit accuracy test (ISO 10791-4.1998, MOD) GB/T 20957.5-2007 Test conditions for precision machining centers - Part 5. Clamp the workpiece pallet positioning accuracy and repeatability of positioning Accuracy test (ISO 10791-5.1998, MOD) GB/T 20957.7-2007 Test conditions for precision machining centers - Part 7. Finishing accuracy test specimens (ISO 10791-7. 1998, MOD) JB/T 5561-1991 Metal Cutting Machine conical surface coloring method test and evaluation JB/T 9872-1999 Metal cutting machine tools, machining parts General technical conditions JB/T 9873-1999 Metal Cutting Machine welded General technical requirements JB/T 9874-1999 Metal Cutting Machine Assembly General technical conditions Preparation of JB/T 9875-1999 Metal Cutting Machine random technical documents Determination of JB/T 9877-1999 Metal Cutting Machine cleanliness JB/T 10051-1999 Metal Cutting Machine Hydraulic System General technical conditions

3 Technical requirements

3.1 Overview This standard is GB/T 9061, JB/T 9872, JB/T 9874 and other standards specific and complementary. When the machine according to the standards of acceptance, should

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