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FZ/T 50011-2016: Synthectic filament yarns. Test method for residual torque of false-twist textured yarns
Status: Valid FZ/T 50011: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| FZ/T 50011-2016 | English | 209 |
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Synthectic filament yarns. Test method for residual torque of false-twist textured yarns
| Valid |
FZ/T 50011-2016
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| FZ/T 50011-1999 | English | 199 |
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Test method for residual torque of false twisted textured yarns
| Obsolete |
FZ/T 50011-1999
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PDF similar to FZ/T 50011-2016
Basic data | Standard ID | FZ/T 50011-2016 (FZ/T50011-2016) | | Description (Translated English) | Synthectic filament yarns. Test method for residual torque of false-twist textured yarns | | Sector / Industry | Spinning & Textile Industry Standard (Recommended) | | Classification of Chinese Standard | W50 | | Classification of International Standard | 59.060.20 | | Word Count Estimation | 9,971 | | Date of Issue | 2016-10-22 | | Date of Implementation | 2017-04-01 | | Older Standard (superseded by this standard) | FZ/T 50011-1999 | | Quoted Standard | GB/T 4146.1; GB/T 4146.3; GB/T 6502; GB 9994; GB/T 14343; QB/T 1149 | | Regulation (derived from) | Ministry of Industry and Information Technology Announcement No.56 of 2016 | | Issuing agency(ies) | Ministry of Industry and Information Technology of the People's Republic of China | | Summary | This method specifies three test methods for residual torque of false twisted textured wire - Method A: Instrument method; Method B: Manual method; Appendix A | FZ/T 50011-2016: Synthectic filament yarns. Test method for residual torque of false-twist textured yarns
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Synthectic filament yarns.Test method for residual vibration of false-twist textured yarns
ICS 59.060.20
W50
People 's Republic of China textile industry standards
Replacing FZ/T 50011-1999
Test method for residual torque of synthetic fiber false twisted textured wire
2016-10-22 released
2017-04-01 implementation
Issued by the Ministry of Industry and Information Technology of the People 's Republic of China
Foreword
This standard is drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces FZ/T 50011-1999 "false twist textured wire residual torque test method".
The main changes in this standard compared with FZ/T 50011-1999 are as follows.
- modified the scope of the standard (see Chapter 1,.1999, Chapter 1);
- adjusted the standard chapters, added the "normative reference" chapter (see Chapter 2);
- modify the definition of "residual torque" and "reverse direction" and increase the English expression of the term (see Chapter 3,.1999)
Chapter 3);
--- increase the definition of "unit twist number" (see Chapter 3);
- Modification of the standard atmosphere for humidity control and testing (see Chapter 5, Chapter 6 of.1999);
- modify the number of samples and tests (see Chapter 6,.1999, Chapter 4);
--- the original method to Appendix A (informative appendix), to retain its main technical content, the device and appliances, the test steps were re-
(See Appendix A,.1999, Chapter 5, Chapter 7);
- Added test method A and method B (see Chapter 7);
- the contents of the original standard "precautions" (1999 edition 9);
- Appendix A of this standard is an informative appendix.
This standard is proposed by China Textile Industry Federation.
This standard is under the jurisdiction of Shanghai Textile Industry Technical Supervision.
The drafting of this standard. Shanghai Textile Industry Technical Supervision, Tong Kun Group Co., Ltd., Rongsheng Petrochemical Co., Ltd., North
Beijing Textile and Fiber Inspection Institute.
The main drafters of this standard. Zhou Zhende, Yuan Yuan, Sun Yulin, Feng Jiajun, Li Tianqi.
This standard replaced the previous version of the standard release.
--- FZ/T 50011-1999.
Test method for residual torque of synthetic fiber false twisted textured wire
1 Scope
This method specifies three test methods for residual torque of false twisted textured wire --- Method A. Instrument method; Method B. Manual method; Appendix A.
Twist distance method. Arbitration method A.
This standard applies to false twisted textured yarns.
2 normative reference documents
The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article
Pieces. For undated references, the latest edition (including all modifications) applies to this document.
Textiles - Chemical fibers - Part 1. Generic names GB/T
Textiles - Chemical fibers - Part 3. Test terminology GB/T
GB/T 6502 Chemical fiber filament sampling method
GB904 Conventional moisture regain of textile materials
Test method for linear density of chemical fiber filament GB/T 14343
QB/T 1149 paper clips
3 terms and definitions
GB/T 4146.1, GB/T 4146.3 Definitions and the following terms and definitions apply to this document.
3.1
Residual torque residualtorque
Torsional stresses in residual false twisted textured yarns. With twist number, unit twist number, twist direction.
3.2
Twistcount twistcount
False twist textured wire twisted every turn, that is rotated 360 ° in the axial direction, as a twist back.
3.3
Twistcountperunit twistcountperunit
False twist textured wire due to torsional stress in the unit length generated within the twist number.
3.4
Reverse direction
False twist deformation of the wire by the role of torsional stress, can produce a certain direction of twisting. With "S" twist, "Z" twist to that.
4 principle
Will be a certain length of the deformation of the wire fold, in the fold after the vertical load suspension. False twist textured wire due to the role of torsional stress into twist through
Measure the number of twist cycles when the deformation yarn stops rotating, and calculate the number of twist cycles. The false twist is characterized by the number of twist, the number of twist cycles and the direction of the twist
The residual torque of the deformed wire.
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