ISO 21485:2013
(Main)Textile machinery — Draw frame for cotton spinning — Vocabulary and principles of construction
Textile machinery — Draw frame for cotton spinning — Vocabulary and principles of construction
ISO 21485:2013 establishes a vocabulary of terms related to, and the principles of construction of, draw frames and their components, used for cotton spinning in the textile industry.
Matériel pour l'industrie textile — Cadre pour la filature du coton — Vocabulaire et principes de construction
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INTERNATIONAL ISO
STANDARD 21485
Second edition
2013-10-01
Textile machinery — Draw frame for
cotton spinning — Vocabulary and
principles of construction
Matériel pour l’industrie textile — Cadre pour la filature du coton —
Vocabulaire et principes de construction
Reference number
©
ISO 2013
© ISO 2013
The reproduction of the terms and definitions contained in this International Standard is permitted in teaching manuals, in-
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ii © ISO 2013 – All rights reserved
Contents Page
Foreword .iv
Scope 1
Terms and definitions . 1
1 Basic terms . 1
2 Machine sides, dimensions (see Figure 1) . 1
3 Machine components (see Figures 2 and 3) . 2
4 Doubling and drafting . 4
Annex A (normative) Principles of construction . 6
Bibliography . 7
Foreword
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Barriers to Trade (TBT) see the following URL: Foreword - Supplementary information
The committee responsible for this document is ISO/TC 72, Textile machinery and machinery and accessories,
Subcommittee SC 1, Spinning preparatory, spinning, twisting and winding machinery and accessories.
This second edition cancels and replaces the first edition (ISO 21485:2006), which has been
technically revised.
iv © ISO 2013 – All rights reserved
INTERNATIONAL STANDARD ISO 21485:2013(E)
Textile machinery — Draw frame for cotton spinning —
Vocabulary and principles of construction
Scope
This International Standard establishes a vocabulary of terms related to, and the principles of
construction of, draw frames and their components, used for cotton spinning in the textile industry.
NOTE 1 The draw frame design is not required to conform with the figures shown in this International
Standard, which are given only as examples of the different types.
NOTE 2 In addition to terms used in English, one of the three official ISO languages, this International Standard
gives the equivalent terms in German; these are published under the responsibility of the member body for
Germany (DIN). However, only the terms and definitions given in the official language can be considered as ISO
terms and definitions.
Terms and definitions
1 Basic terms
1.1
draw frame
textile machinery consisting of a delivery unit (1.3) employed to straighten and parallelize the fibres by
drafting, to homogenize the sliver by means of doubling (4.1) and to blend and de-dust the fibres
1.2
autoleveller draw frame
textile machinery consisting of a delivery unit (1.3) employed to straighten and parallelize the fibres by
drafting, to homogenize the sliver by doubling (4.1), to blend and de-dust, if applicable, the fibres and to
compensate any measured deviation of the fibre mass by means of a variable draft superimposed on the
nominal draft (4.2)
1.3
delivery unit
working point for filling a sliver can (3.1)
2 Machine sides, dimensions (see Figure 1)
2.1
right side
R
textile machine side located to the right as seen facing toward the direction of fibre flow
Note 1 to entry: See ISO 92.
2.2
left side
L
textile machine side located to the left as seen facing toward the direction of fibre flow
Note 1 to entry: See ISO 92.
Key
a machine depth (without space requirement for deposited sliver cans)
a overall machine depth (including space requirement for deposited sliver cans)
b machine width (without space requirement for deposited sliver cans)
b overall width (including space requirement for deposited sliver cans)
R right side
L left side
1 feed
2 delivery
Space requirement: a × b for b ≤ b
2 1 2 1
a × b for b > b
2 2 2 1
Figure 1 — Machine sides, dimensions
3 Machine components (see Figures 2 and 3)
Figure 2 — Machine components (I)
2 © ISO 2013 – All rights reserved
Figure 3 — Machine components (II)
3.1
sliver can
round or rectangular container for the deposit of card, comber or draw frame sliver
Note 1 to entry: Round sliver cans are defined in ISO 93-1 and ISO 93-2, rectangular cans in ISO 16853.
3.2
creel [feed]
positively driven rollers for pulling feed sliver from the sliver can (3.1) or [and] static sliver guides
3.3
sliver guide
device for guiding slivers at the entry to the drafting system (3.4)
3.4
drafting system
device with several consecutive roller pairs running at increasing speeds and a pressure bar (3.4.1) to
draft the infed sliver
3.4.1
pressure bar
static sliver guide component installed in the main drafting zone to guide floating fibres
3.4.2
roll bearing
bearing for the bottom rollers (3.4.4) in the drafting system (3.4)
3.4.3
top rollers
friction-driven or positively driven rollers, self-weighted or with additional load, resting on the bottom
roller and gripping and carrying the sliver
[SOURCE: ISO 2205:1975]
3.4.4
botto
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