GB/T 3292.2-2009Textiles - Unevenness of textile strands - Part 2: Photoelectricity method (English PDF)
纺织品 纱线条干不匀试验方法 第2部分：光电法
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 19, 2009
Implementation date
February 1, 2010
Scope
GB/T 3292.2-2009 is the English-translated version of 纺织品 纱线条干不匀试验方法 第2部分：光电法.
GB/T 3292.2-2009 is the Chinese standard "Textiles - Unevenness of textile strands - Part 2: Photoelectricity method". Its scope clause reads: GB/T 3292 This section specifies the method for determining the diameter of the yarn unevenness of the photoelectric type yarn evenness tester along the longitudinal direction.
This section applies to a variety of fibers, yarns approximately circular cross-section. Note.
Detection principle Photoelectric Method and capacitance method is different, as reflected in the photovoltaic method yarn evenness refers to the approximate diameter of the circular projection of the yarn unevenness, and capacitance method As reflected in the linear density unevenness correlated, but not identical. Its clauses include terms and definitions.
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Document preview — GB/T 3292.2-2009
National Standard of the People's Republic of China
- ICS
- 59.080.20
- Classification
- W 04
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 3.5 Lb
1 Scope
GB/T 3292 This section specifies the method for determining the diameter of the yarn unevenness of the photoelectric type yarn evenness tester along the longitudinal direction.
This section applies to a variety of fibers, yarns approximately circular cross-section.
Note. Detection principle Photoelectric Method and capacitance method is different, as reflected in the photovoltaic method yarn evenness refers to the approximate diameter of the circular projection of the yarn unevenness, and capacitance method
As reflected in the linear density unevenness correlated, but not identical.
2 Normative references
The following documents contain provisions which, through reference to GB/T 3292 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 6529 Textiles conditioning and testing using standard atmosphere (GB/T 6529-2008, ISO 139.2005, MOD)
3 Terms and Definitions
The following terms and definitions apply GB/T 3292 of this section.
3.1
Linear distance between two points in the longitudinal direction on the outer contour of the projection yarns formed perpendicular to the yarn.
3.2
Sliver thickness (cross-sectional area, diameter, linear density, etc.) along the longitudinal direction of the degree of unevenness. This section refers specifically to the degree of non-uniform diameter.
3.3
Within the overall length of the test, the yarn diameter than the standard percentage difference between the average diameter.
3.4
Each containing yarn 1000m diameter exceeds a certain magnitude, the length exceeds a certain limit details slubs, neps (neps, granulite) of
Number.
3.5 Lb
Test evenness basic measurement length of the sample unit, also known fragment length.
......
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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