EP1788128B1 - Disque de support - Google Patents
Disque de support Download PDFInfo
- Publication number
- EP1788128B1 EP1788128B1 EP05025415A EP05025415A EP1788128B1 EP 1788128 B1 EP1788128 B1 EP 1788128B1 EP 05025415 A EP05025415 A EP 05025415A EP 05025415 A EP05025415 A EP 05025415A EP 1788128 B1 EP1788128 B1 EP 1788128B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metallization
- hub ring
- supporting disc
- ring
- disc according
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Not-in-force
Links
- 238000001465 metallisation Methods 0.000 claims description 52
- 239000000463 material Substances 0.000 claims description 20
- 238000007383 open-end spinning Methods 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 4
- 239000007769 metal material Substances 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 4
- 238000000576 coating method Methods 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 10
- 230000002093 peripheral effect Effects 0.000 description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 239000012080 ambient air Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000010970 precious metal Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011135 tin Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- 229910000599 Cr alloy Inorganic materials 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910000640 Fe alloy Inorganic materials 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 229910001128 Sn alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 238000003856 thermoforming Methods 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- 238000010023 transfer printing Methods 0.000 description 1
- 238000001771 vacuum deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H4/00—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques
- D01H4/04—Open-end spinning machines or arrangements for imparting twist to independently moving fibres separated from slivers; Piecing arrangements therefor; Covering endless core threads with fibres by open-end spinning techniques imparting twist by contact of fibres with a running surface
- D01H4/08—Rotor spinning, i.e. the running surface being provided by a rotor
- D01H4/12—Rotor bearings; Arrangements for driving or stopping
Definitions
- the invention relates to a support disk for the mounting of a rotor of an open-end spinning machine, comprising a hub ring which is enclosed on the outer peripheral side by a support ring, wherein the hub ring and the support ring each consist of a polymeric material.
- Such a support disk is from the DE 41 36 793 C1 known.
- the hub ring is enclosed on the outer peripheral side directly adjacent to the support ring.
- the hub ring consists of a polymeric material having a modulus of elasticity of 7,000 to 13,000 N / m 2 , a heat resistance of 150 ° C to 250 ° C and an elongation at break of 1.3% to 3%.
- Such a support disk is simple and inexpensive to produce. It should be noted, however, that in the existing of a polymeric material support body during normal use and heavy mechanical stress, for example by flexing, the heating may increase such that the support ring is thermally damaged.
- the hub ring consists in this support disk made of a metallic material, which is unsatisfactory in production engineering and economic terms.
- the hub ring must be pretreated comparatively complex in order to be connected to the existing of polymeric material support ring.
- the hub ring is designed as a composite part and consists of at least two different materials, wherein the hub ring consists of a metallic and a polymeric material, which are non-positively and / or positively connected to each other.
- the hub ring is formed by a disc made of aluminum, which is partially covered by a plastic body.
- the disc made of aluminum and the plastic body are durable by mechanical Verkrallung interconnected.
- the known support disk has a good thermal conductivity and a good, high mechanical strength.
- the invention is based on the object to further develop a support disk so that the aforementioned disadvantages are avoided.
- the heat dissipation from the support ring can be significantly improved, so that the performance properties, even at high mechanical stress, are improved during a long service life.
- the support plate should be simpler and cheaper to produce economically and has a lower inertial mass.
- a support disk for supporting a rotor of an open-end spinning machine comprising a hub ring and the hub ring at least partially enclosing with radial spacing support ring, wherein the hub ring and the support ring each consist of a polymeric material and wherein the hub ring at least its outer peripheral surface at least partially has a metallization arranged in the gap formed by the gap, which contacts the inner circumference of the support ring and extends axially to at least one of the end faces of the support disk.
- a support disk in such a support disk is advantageous in that it has a total of only a low weight, which does not differ significantly from supporting disks without metallization, in which the hub ring and the support ring each consist of a polymeric material. Due to the low inertial mass energy consumption during braking and starting operations when piecing the open-end spinning machine is reduced to a minimum. It is also advantageous that the heat dissipation from the support ring to the environment works similarly well as support disks, the hub ring is designed as a comparatively expensive and laborious to be machined aluminum part. The metallization dissipates the operational heating of the support ring via the metallization out of it to the environment. The risk of thermal damage to the support ring are thereby limited to a minimum.
- the support disk is simple and inexpensive, even on a large scale, produced.
- good heat dissipation from the support disk to the environment know the support disk on a good dimensional stability, so that even in long-term use a secure fixing of the hub ring on a shaft, for example by a low-cost press connection, can be achieved.
- the metallization is both firmly connected to the hub ring and fixed to the support ring.
- the extent of the metallization axially up to at least one of the end faces of the support disk ensures that the dissipated heat is released to the ambient air of the support disk.
- the heat dissipation is improved from the support disk when the outer peripheral surface of the hub ring is completely covered by the metallization.
- a further, significant improvement of the heat removal from the support disk to the environment is achieved if at least one of the end faces of the hub ring is covered by the metallization, more preferably if both end faces of the hub ring are covered by the metallization.
- the annular surfaces of the end faces based on the frontal annular surfaces of the gap between the hub ring and support ring much larger, so that even with a large mechanical load of the support ring, for example by flexing, large amounts of heat given by the metallization to the environment.
- a further improved heat dissipation from the support disk can be achieved in that the inner peripheral side surface of the hub ring is at least partially, preferably completely, covered by the metallization.
- the heat transfer from the support disk takes place in such a case not only on the frontal metallization of the support disk to the ambient air but also by a heat transfer from the metallized inner peripheral surface of the hub ring on the shaft on which the hub ring is mounted
- the maximum thermal conductivity from the support disk to the environment is achieved when the entire surface of the hub ring is covered by the metallization.
- the relatively higher cost for the complete metallization of the hub ring is opposed by a maximum heat dissipation from the support ring.
- the claimed support disk has a low inertial mass, is simple and inexpensive to produce, has only a low energy consumption during braking and starting operations and good heat dissipation from the support ring.
- a particularly safe and durable fixing of the hub ring of a shaft for example, by simply, axially pressing the hub ring onto the shaft, can be achieved in that the inner circumference of the hub ring has at least one radially inwardly open groove in which a congruent designed, annular insert made of tough material, such as a metallic material, is arranged.
- the insert may be annular or in the form of a polygon or polygonal ring. Outside the outer side, the insert can be rerändelt example to increase the Oberertlächenrauhtechnik. As a result, a durable clawing of the insert is achieved with the hub ring.
- a secure press fit is thereby also during a long service life secured and generally known in mechanical engineering, complex shaft hub connections, such as polygonal profiles or spline connections, are unnecessary for most applications.
- the hub ring and the insert forms a preassembled unit.
- the insert and the metallization can essentially consist of a matching material. Due to the matching materials, the coefficients of thermal expansion also coincide, so that undesired stresses within the support disk can be at least partially compensated.
- the metallization may have a thickness which is at most 3 mm. Preferably, the metallization is 0.001 to 1.0 mm thick. The cost / benefit ratio is particularly good in such a case.
- the thickness of the metallization can be made thinner, for example, if the material from which the metallization consists, has a very good thermal conductivity, such as copper or some precious metals.
- the metallization can be applied by well-known methods on the existing of a polymeric material hub ring, for example by electroplating, painting, coating by means of water transfer printing, vacuum coating or vapor deposition. Metallizing by means of thermoforming systems or physical vapor deposition is also conceivable.
- the metallization can be made of metal or alloys of copper, zinc, aluminum, chromium, nickel, tin or iron alloys, such as steel or stainless steel.
- precious metals can also be used for metallization.
- the metallization can be designed as a single layer. It is advantageous that such a coating is simple and quick to carry out and that the support disk is thereby overall easy and inexpensive to produce.
- the metallization is multilayered.
- the combination of the advantageous properties of different metals is possible, for example, good thermal conductivity of copper, covered by a particularly corrosion-resistant layer of tin.
- the support disc comprises the hub ring 1, which consists of polymeric material, wherein the entire surface 10 of the hub ring 1 is covered by the metallization 5.
- a metallization 5 which covers only partial areas of the entire surface 10, for example only the end faces 7, 8 and the outer peripheral side surface 3 of the hub ring 1, is also conceivable.
- the metallization 5 serves to dissipate heat from the support ring 2 to the environment 15, partial metallizations 5 are to be implemented in a coherent manner, so that a heat transfer is possible between the partial metallizations 5.
- FIG. 2 and 3 two different embodiments are shown, wherein in each case the entire surface 10 of the hub ring 1 of the Metallization 5 is covered. Zeichnerisch the metallization 5 is shown by the boundary lines of the hub ring 1.
- the hub ring 1 is formed substantially I-shaped and has within its radial extent uniformly distributed in the circumferential direction openings 16 which are penetrated by the polymeric material of the support ring 2.
- the support ring 2 has in the embodiment shown here a substantially U-shaped profile which encloses the I-shaped profile of the hub ring 1 with radially inwardly projecting legs 17, 18.
- the legs 17, 18 are connected by the apertures 16 of the hub ring 1 into one another, whereby the support ring 2 is fixed not only in an adhesive manner, indirectly by the metallization 5, on the hub ring 1, but additionally on the basis of a mutual, form-fitting Enclosure of hub ring 1 and support ring 2. Even at very high speeds, this is a färbkraftbadingte detachment of the support ring 2 from the hub ring 1 is not to be feared.
- FIG. 3 an embodiment is shown, similar to the embodiment of FIG. 2, wherein in addition an annular insert 13 is provided, which is arranged in a arranged on the inner circumference 11 of the hub ring 1, radially inwardly open groove 12 of the hub ring 1.
- the insert 13 is designed congruent to the groove 12 and fits flush with the surface in the inner periphery 11 of the hub ring 1 a.
- the insert 13 is in the embodiment shown here from the same material as the metallization 5. The thermal expansion of the metallization 5 and the insert 13 are therefore substantially coincident.
- the metallization 5 causes a good heat dissipation from the support ring 2 to the environment 15, wherein the heat dissipation corresponds substantially to the heat dissipation of a correspondingly shaped support disk with hub ring made of aluminum.
- the support disk according to the invention however easier and less expensive to produce and has a lower inertial mass, which is advantageous in terms of their deceleration or acceleration.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Rolling Contact Bearings (AREA)
- Polishing Bodies And Polishing Tools (AREA)
- Magnetic Record Carriers (AREA)
Claims (14)
- Disque de support pour supporter un rotor d'une machine de filature à fibre libérée, comprenant une bague de moyeu (1) et une bague de support (2) entourant au moins partiellement la bague de moyeu (1) avec un espacement radial, dans lequel la bague de moyeu (1) et la bague de support (2) sont composées d'un matériau polymère, caractérisé en ce que la bague de moyeu (1) présente, au moins sur sa surface du côté de la périphérie extérieure (3), au moins partiellement une métallisation (5) disposée dans l'interstice (4) formé par l'espacement, qui touche de manière adjacente la périphérie intérieure (6) de la bague de support (2) et qui s'étend axialement jusqu'au moins une des faces frontales (7, 8) du disque de support.
- Disque de support selon la revendication 1, caractérisé en ce que la surface du côté de la périphérie extérieure (3) de la bague de moyeu (1) est recouverte entièrement par la métallisation (5).
- Disque de support selon l'une quelconque des revendications 1 ou 2, caractérisé en ce qu'au moins une des faces frontales (7, 8) de la bague de moyeu (1) est recouverte par la métallisation (5).
- Disque de support selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les deux faces frontales (7, 8) de la bague de moyeu (1) sont recouvertes par la métallisation (5).
- Disque de support selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la surface du côté de la périphérie intérieure (9) de la bague de moyeu (1) est recouverte au moins en partie par la métallisation (5).
- Disque de support selon l'une quelconque des revendications 1 à 5, caractérisé en ce que toute la surface (10) de la bague de moyeu (1) est recouverte par la métallisation (5).
- Disque de support selon l'une quelconque des revendications 1 à 6, caractérisé en ce que la périphérie intérieure (11) de la bague de moyeu (1) présente au moins une rainure ouverte radialement vers l'intérieur (12), dans laquelle une pièce rapportée annulaire (13) en matériau tenace dur de forme correspondante est disposée.
- Disque de support selon la revendication 7, caractérisé en ce que la pièce rapportée (13) est composée d'un matériau métallique.
- Disque de support selon l'une quelconque des revendications 7 ou 8, caractérisé en ce que la bague de moyeu (1) et la pièce rapportée (13) forment une unité pouvant être préassemblée (14).
- Disque de support selon l'une quelconque des revendications 7 à 9, caractérisé en ce que la pièce rapportée (13) et la métallisation (5) se composent essentiellement d'un matériau correspondant.
- Disque de support selon l'une quelconque des revendications 1 à 10, caractérisé en ce que la métallisation (5) présente une épaisseur qui vaut au maximum 3 mm.
- Disque de support selon l'une quelconque des revendications 1 à 11, caractérisé en ce que la métallisation (5) présente une épaisseur qui vaut de 0,001 à 1,0 mm.
- Disque de support selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la métallisation (5) est formée au total en une couche.
- Disque de support selon l'une quelconque des revendications 1 à 12, caractérisé en ce que la métallisation (5) est formée en plusieurs couches.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT05025415T ATE383463T1 (de) | 2005-11-22 | 2005-11-22 | Schützscheibe |
EP05025415A EP1788128B1 (fr) | 2005-11-22 | 2005-11-22 | Disque de support |
DE502005002526T DE502005002526D1 (de) | 2005-11-22 | 2005-11-22 | Schützscheibe |
US11/602,007 US7454890B2 (en) | 2005-11-22 | 2006-11-20 | Supporting disk |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05025415A EP1788128B1 (fr) | 2005-11-22 | 2005-11-22 | Disque de support |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1788128A1 EP1788128A1 (fr) | 2007-05-23 |
EP1788128B1 true EP1788128B1 (fr) | 2008-01-09 |
Family
ID=36035834
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05025415A Not-in-force EP1788128B1 (fr) | 2005-11-22 | 2005-11-22 | Disque de support |
Country Status (4)
Country | Link |
---|---|
US (1) | US7454890B2 (fr) |
EP (1) | EP1788128B1 (fr) |
AT (1) | ATE383463T1 (fr) |
DE (1) | DE502005002526D1 (fr) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4011632A1 (de) | 1990-04-11 | 1991-10-17 | Fritz Stahlecker | Stuetzscheibe fuer eine stuetzscheibenlagerung |
DE4136793C1 (fr) | 1991-11-08 | 1993-06-03 | Fa. Carl Freudenberg, 6940 Weinheim, De | |
IL106302A (en) * | 1993-07-09 | 1996-12-05 | Univ Ramot | Hollow waveguide tips for controlling beam divergency and methods of making such tips |
DE4334985B4 (de) * | 1993-10-14 | 2005-12-29 | Stahlecker, Fritz | Stützscheibe für eine Stützscheibenlagerung eines OE-Spinnrotors und Verfahren zur Herstellung dieser Stützscheibe |
US6286206B1 (en) * | 1997-02-25 | 2001-09-11 | Chou H. Li | Heat-resistant electronic systems and circuit boards |
DE10046525C2 (de) * | 2000-09-19 | 2003-04-30 | Freudenberg Carl Kg | Stützscheibe |
-
2005
- 2005-11-22 AT AT05025415T patent/ATE383463T1/de not_active IP Right Cessation
- 2005-11-22 EP EP05025415A patent/EP1788128B1/fr not_active Not-in-force
- 2005-11-22 DE DE502005002526T patent/DE502005002526D1/de active Active
-
2006
- 2006-11-20 US US11/602,007 patent/US7454890B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE383463T1 (de) | 2008-01-15 |
US7454890B2 (en) | 2008-11-25 |
DE502005002526D1 (de) | 2008-02-21 |
US20070130907A1 (en) | 2007-06-14 |
EP1788128A1 (fr) | 2007-05-23 |
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