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GB/T 15825.3-2008: Sheet metal formability and test methods -- Part 3: Drawing and drawing load test
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GB/T 15825.3-2008	English	349	Add to Cart	3 days [Need to translate]	Sheet metal formability and test methods -- Part 3: Drawing and drawing load test
GB/T 15825.3-1995	English	359	Add to Cart	3 days [Need to translate]	Sheet metal formability and test methods--Drawing and drawing load test

GB/T 15825.3-2008: Sheet metal formability and test methods -- Part 3: Drawing and drawing load test

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Sheet metal formability and test methods Part 3. Drawing and drawing load test ICS 77.040.10 J32 National Standards of People's Republic of China Replacing GB/T 15825.3-1995 Performance and test methods for metal sheet forming Part 3. drawing and drawing load test Posted 2008-12-23 2009-06-01 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 symbols, names and units 1 4 Drawing Test Method 2 5 5 drawing load test method Appendix A (informative) Maximum specimen diameter (D0) max 8 Calculation Annex B (informative) Test method for deep pulling and drawing load test method described 9 Appendix C (Informative Appendix) (D0) maxT method for finding approximate 11

Foreword

GB/T 15825 "Performance and test methods for sheet metal forming" is divided into eight sections. --- Part 1. formability and indicators; --- Part 2. General test procedures; --- Part 3. drawing and drawing load test; --- Part 4. reaming test; --- Part 5. bending test; --- Part 6. Cone cup test; --- Part 7. Test lug; --- Part 8. Forming Limit Diagram (FLD) Determination Guide. This part of GB/T 15825 Part 3. This Part replaces GB/T 15825.3-1995 "sheet metal forming and test methods - Drawing and drawing load test." Section compared with the GB/T 15825.3-1995, major changes in the following. --- Added "foreword"; --- "2 Normative references" added the introductory text; --- Increasing the table name 2; --- Modified 4.4.2.2, and 4.4.2.4 to 4.4.2.3 and 4.4.2.2 into using column item a) ~ c) statements The original The provisions of 4.4.2.2 ~ 4.4.2.4; --- Added "test temperature 4.4.4" and "5.4.4 Test temperature"; --- 5.1 in the paragraph 2 was revised to "note"; --- In 5.2.2, the "if its diameter above the specimen cup at the bottom of the drawing" to "if 5.2.1 Recommended The specimen diameter, the drawing of the cup bottom "; --- 5.5.2 at the end of the Fpf revised (D0) max; --- Appendix A the name changes to "Maximum specimen diameter (D0) max calculations"; --- The A. 1.1 and A. It was revised to 1.2 A. 2 and A. 3, the original A. 2 becomes A. 4; --- Modify the formula (A.1); --- The symbol D0 formula (A.2) and formula (A.3) left submissions were symbols D00f and D 60f, and put them to supplement Table 1; --- Increased by formula (A.4); --- Appendix B of the name was changed to "Standard Test Method for deep drawing and drawing load test method described"; --- The name changes to Appendix C "(D0) maxT Approximation of Law"; --- In C. 3, modify the Fpmax Fpmax Hou, also amended C. 3a) of the contents; --- Some of the original standard text made editorial changes. This section of the Appendix A, Appendix B and Appendix C are informative appendices. This part is proposed by China Machinery Industry Federation. This part of the National Standardization Technical Committee centralized forging. This section is drafted. Wuhan University of Technology, Zhengzhou University, Dongfeng Motor Co. stamping die. The main drafters of this section. Jiangkui Hua, Cao deep, Waring, Huang Shangyu, Mao Huajie, Li Jianhua. This part of the standard replaces the previous editions are. --- GB/T 15825.3-1995. Performance and test methods for metal sheet forming Part 3. drawing and drawing load test

1 Scope

This section GB/T 15825 in the provisions of the LDR as an index sheet metal forming deep pull performance test methods, namely drawing test Experience and drawing load test of two methods. This section applies to a thickness of 0.45mm ~ 2.50mm of sheet metal, the relevant parties, may be appropriate to expand the applicable thickness range.

2 Normative references

The following documents contain provisions which, through reference GB/T 15825 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 15825.2-2008 sheet metal formability and test methods - Part 2. General test procedures 3 symbols, names and units The symbols used in this section, name and unit are shown in Table 1. Table 1 symbol, name and unit Symbol Name Unit Dd die diameter mm (D0) max Maximum specimen diameter mm A die Face (face) B clamping ring Face Fp drawing force N Fc BHF N Fcmin minimum BHF N LDR LDR A group of the same diameter of the sample, the number of specimens unruptured and ruptured the number of samples is equal to (all three), the trial of the group mm ...