ASTM D3888-95(2001)
(Terminology)Standard Terminology Relating to Open-End Spinning
Standard Terminology Relating to Open-End Spinning
SCOPE
1.1 This terminology covers those parts of a spinning machine which are specific to open-end yarn production.
General Information
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Standards Content (Sample)
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Designation:D3888–95 (Reapproved 2001)
Standard Terminology Relating to
Open-End Spinning
This standard is issued under the fixed designation D 3888; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope open-end spinning machine, n—a textile machine for con-
verting staple fiber into spun yarn by a continuous process in
1.1 This terminology covers those parts of a spinning
which the individual fibers or groups of fibers are caused to
machine which are specific to open-end yarn production.
assemble at the open end of the forming yarn. (See Fig. 1.)
2. Referenced Documents
(See also rotor-type open-end spinning machine.)
open-end yarn, n—a continuous strand of fibers, produced
2.1 ASTM Standards:
directly from sliver or roving, in a single continuous opera-
D 123 Terminology Relating to Textiles
tion, by opening and reassembling them in a spinning
2.2 Other Standards:
element to form the yarn.
ISO 2205 Terminology of Drafting Arrangements
opening device, n—in open-end spinning, either a drafting
ISO 447 Terminology Relative to Cone and Cheese Wind-
system or an opening roller which separates the feed stock
ers
into individual fibers or very small tufts prior to their
3. Terminology
reassembly into yarn.
opening roller, n—a component of the opening device in
3.1 Definitions:
open-end spinning machines, a roller covered with pins or
collecting surface, n—in the rotor of an open-end spinning
teeth or similar device used to separate the feed stock into
machine, that portion of the internal surface of the rotor,
individualfibersorverysmalltuftsbyacontinuouscombing
often in the form of a groove, in which the fibers are
action. (Syn. combing roll)
condensed for assembly into yarn.
rotor, n—in open-end spinning machines, a device resembling
doffing tube, n—a component of an open-end spinning ma-
a centrifuge, in which the fibers are assembled and in which,
chine which is an extension to the navel and is used to guide
by virtue of its rotation, real twist is inserted in the forming
the withdrawn yarn en route to the take-up rollers. (See also
yarn.
navel.)
DISCUSSION—The rotor separates the fibers and the incoming air. The
feed unit, n—in an open-end spinning machine, the device
air is dissipated either through holes in the rotor, or over the rim of the
which presents the feed stock to the opening roller by either
rotor into the surrounding rotor housing and is exhausted through an
a feed roller and feed plate combination or interacting feed
outlet duct.
rollers. (See also opening device.)
rotor-type open-end spinning machine, n—an open-end
fiber channel, n—a component of an open-end spinning
spinning machine wherein the assembly of individual fibers
machine through which the fibers are conveyed by an air
and the insertion of real twist ar
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