GB/T 4909.6-2009Test methods for bare wires - Part 6: Bend test - Single bend test (English PDF)
裸电线试验方法 第6部分：弯曲试验 单向弯曲
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
March 19, 2009
Implementation date
December 1, 2009
Scope
GB/T 4909.6-2009 is the English-translated version of 裸电线试验方法 第6部分：弯曲试验 单向弯曲.
GB/T 4909.6-2009 is the Chinese standard "Test methods for bare wires - Part 6: Bend test - Single bend test". Its scope clause reads: GB/T 4909 provisions of this part of the bare wire bending test bending test of the one-way test equipment, specimen preparation, the measuring step, Evaluation of test results and the like.
Unidirectional bending performance conductor cross-section. This section is the specimen along a predetermined bending radius bent at an angle, the surface tension situation observed after bending specimen.
This section should be used in conjunction with the GB/T 4909.1-2009. Its clauses include test equipment.
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Document preview — GB/T 4909.6-2009
National Standard of the People's Republic of China
- ICS
- 29.060.10
- Classification
- K 11
- Replacing
- GB/T 4909.6-1985
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
1 Scope
GB/T 4909 provisions of this part of the bare wire bending test bending test of the one-way test equipment, specimen preparation, the measuring step,
Evaluation of test results and the like.
Unidirectional bending performance conductor cross-section.
This section is the specimen along a predetermined bending radius bent at an angle, the surface tension situation observed after bending specimen.
This section should be used in conjunction with the GB/T 4909.1-2009.
2 Normative references
The following documents contain provisions which, through reference to GB/T 4909 to the present, 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 4909.1-2009 Test methods for bare wires - Part 1. General
3 Test Equipment
3.1
bending means
Bending apparatus diagram shown in Figure 1 and Figure 2. Figure 2 should be greater than the length of the roll branched specimen width or diameter, radius should be 1 times ~
10 times the specimen thickness or diameter. Support rollers should have sufficient hardness.
Unless otherwise specified, the distance between the support rollers shall formula (1) is determined, and during the period the test should remain unchanged.
Where.
D --- bending cylinder diameter in millimeters (mm);
Rao --- specimen thickness or diameter, in millimeters (mm).
Enough hardness and smoothness.
D --- bending cylinder diameter;
D '--- roll diameter;
F --- force;
Chou --- broadside.
Figure 1 Schematic diagram of side bending Rao […]
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
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Editions of GB/T 4909.6
| Edition | Title | Revision | Status |
|---|---|---|---|
| GB/T 4909.6-2009 | Test methods for bare wires - Part 6: Bend test - Single bend test | current edition | Current |
| GB/T 4909.6-1985 | Test methods for bare wires - Part 6: Bend test - Single bend test | previous edition | Superseded |
This page sells the current edition, GB/T 4909.6-2009. Earlier editions are listed for reference only.
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Related Standards
GB/T 4909.1-2009 — Test methods for bare wires - Part 1: General
GB/T 4909.10-2009 — Test methods for bare wires - Part 10: Test for continuity of coating - Ammonium persulphate solution method
GB/T 4909.11-2009 — Test methods for bare wires - Part 11: Test for adherence of coating
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