1、Designation: D 3888 95 (Reapproved 2001)Standard Terminology Relating toOpen-End Spinning1This standard is issued under the fixed designation D 3888; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A numb
2、er in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.1. Scope1.1 This terminology covers those parts of a spinningmachine which are specific to open-end yarn production.2. Referenced Documents2.1 ASTM St
3、andards:2D 123 Terminology Relating to Textiles2.2 Other Standards:ISO 2205 Terminology of Drafting ArrangementsISO 447 Terminology Relative to Cone and Cheese Wind-ers3. Terminology3.1 Definitions:collecting surface, nin the rotor of an open-end spinningmachine, that portion of the internal surface
4、 of the rotor,often in the form of a groove, in which the fibers arecondensed for assembly into yarn.doffing tube, na component of an open-end spinning ma-chine which is an extension to the navel and is used to guidethe withdrawn yarn en route to the take-up rollers. (See alsonavel.)feed unit, nin a
5、n open-end spinning machine, the devicewhich presents the feed stock to the opening roller by eithera feed roller and feed plate combination or interacting feedrollers. (See also opening device.)fiber channel, na component of an open-end spinningmachine through which the fibers are conveyed by an ai
6、rcurrent from the opening device to the rotor. (Syn. fibertransport tube.) (See also opening device.)navel, na component of an open-end spinning machinelocated on the axis of the rotor through which the yarn iswithdrawn from the rotor and which modifies the twist of theyarn inside the rotor.open-end
7、 spinning machine, na textile machine for con-verting staple fiber into spun yarn by a continuous process inwhich the individual fibers or groups of fibers are caused toassemble at the open end of the forming yarn. (See Fig. 1.)(See also rotor-type open-end spinning machine.)open-end yarn, na contin
8、uous strand of fibers, produceddirectly from sliver or roving, in a single continuous opera-tion, by opening and reassembling them in a spinningelement to form the yarn.opening device, nin open-end spinning, either a draftingsystem or an opening roller which separates the feed stockinto individual f
9、ibers or very small tufts prior to theirreassembly into yarn.opening roller, na component of the opening device inopen-end spinning machines, a roller covered with pins orteeth or similar device used to separate the feed stock intoindividual fibers or very small tufts by a continuous combingaction.
10、Syn. combing roll)rotor, nin open-end spinning machines, a device resemblinga centrifuge, in which the fibers are assembled and in which,by virtue of its rotation, real twist is inserted in the formingyarn.DISCUSSIONThe rotor separates the fibers and the incoming air. Theair is dissipated either th
11、rough holes in the rotor, or over the rim of therotor into the surrounding rotor housing and is exhausted through anoutlet duct.rotor-type open-end spinning machine, nan open-endspinning machine wherein the assembly of individual fibersand the insertion of real twist are effected by a rotor. (Seeals
12、o open-end spinning machine.)DISCUSSIONThe fibers are separated from the feed stock and areconveyed to the rotor, where they are continuously deposited on thecollecting surface. By the rotation of the rotor the fibers are twisted intoyarn which is progressively withdrawn through the navel.separator,
13、 na component of some open-end spinning ma-chines located inside the rotor to direct the incoming fibersto the slide surface.slide surface, nin the rotor of an open-end spinning ma-chine, that part of the internal surface of the rotor on whichthe fibers are deposited and are caused to slide to theco
14、llecting surface.1This terminology is under the jurisdiction of ASTM Committee D13 on Textilesand is the direct responsibility of Subcommittee D13.58 on Yarn Test Methods,General.Current edition approved May 15, 1995. Published July 1995. Originallypublished as D 3888 80. Last previous edition D 388
15、8 90.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Summary page onthe ASTM website.1Copyright ASTM International, 100 Barr Harbor Drive, PO
16、 Box C700, West Conshohocken, PA 19428-2959, United States.take-up rollers, nin open-end spinning machines, a pair ofclosely set, continuously rotating cylinders which withdrawthe spun yarn from the rotor.trash removal device, nin open-end spinning machines,asystem for removing impurities from the o
17、pened feed stockbefore the fibers are conveyed to the rotor.winding system, nin open-end spinning machines, a devicewhich forms the yarn package.4. Keywords4.1 spinning; terminologyThis standard is subject to revision at any time by the responsible technical committee and must be reviewed every five
18、 years andif not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standardsand should be addressed to ASTM International Headquarters. Your comments will receive careful consideration at a meeting of theresponsible technical co
19、mmittee, which you may attend. If you feel that your comments have not received a fair hearing you shouldmake your views known to the ASTM Committee on Standards, at the address shown below.This standard is copyrighted by ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA
20、19428-2959,United States. Individual reprints (single or multiple copies) of this standard may be obtained by contacting ASTM at the aboveaddress or at 610-832-9585 (phone), 610-832-9555 (fax), or serviceastm.org (e-mail); or through the ASTM website(www.astm.org).FIG. 1 Schematic Diagram of Open-End Spinning MachineD 3888 95 (2001)2
