EP1068382B1 - Ring für ringspinn- und ringzwirnmaschinen - Google Patents
Ring für ringspinn- und ringzwirnmaschinen Download PDFInfo
- Publication number
- EP1068382B1 EP1068382B1 EP98909264A EP98909264A EP1068382B1 EP 1068382 B1 EP1068382 B1 EP 1068382B1 EP 98909264 A EP98909264 A EP 98909264A EP 98909264 A EP98909264 A EP 98909264A EP 1068382 B1 EP1068382 B1 EP 1068382B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- ring
- hard chrome
- chrome layer
- core
- layer
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
- D01H7/52—Ring-and-traveller arrangements
- D01H7/60—Rings or travellers; Manufacture thereof not otherwise provided for ; Cleaning means for rings
- D01H7/602—Rings
Definitions
- the invention relates to a ring for ring spinning and Ring twisting machines.
- a ring for a ring spinning or ring twisting machine In addition to a precisely worked shape, the Customized, optimized surface have a ring traveler running at speeds up to 55m / s revolves on the ring, a calm and to enable running with as little wear as possible. Therefor the surface of the ring must be as smooth and hard as possible and may only be a small one for the ring traveler Oppose running resistance.
- the ring should be low in wear, as the wear of the Ringes also the quiet running of the ring traveler on the ring is impaired, resulting in increased thread breaks can lead. It also increases with increasing Wear defects of the ring also the wear of the Ring traveler too, resulting in shorter downtimes of Ring traveler and ring leads, which in turn, like that increased thread breaks, which increases production costs.
- the object of the present invention is therefore a To create a ring for ring spinning and ring twisting machines, which is a more economical use of rings and Ring travelers allowed.
- a hard chrome layer gives the ring a very hard, wear - resistant surface that is firmly attached to the core of the Ringes is liable.
- Hardness values of the are advantageous Hard chrome layer measured according to Vickers HV 0.05 out of 900 to 1300, preferably with values over 1000.
- the hard chrome layer can be easily can be used as a coating for the ring, though when the ring traveler rotates quickly on the rings very high temperatures (up to approx. 1000 ° C) can occur.
- a specialist is known (cf. Schatt: "Materials of the Machine, plant and apparatus construction ", VEB Deutscher Verlag für Grundstoffindustrie, Leipzig 1982, p. 144), that hard chrome layers at temperatures above 400 ° C soften, which is why the use of hard chrome coatings never considered for rings were.
- the core of the ring has a core surface that polished before applying the hard chrome layer is.
- the core is with a copper or nickel layer coated, which in turn is then polished and on the hard chrome layer is arranged.
- nickel or copper layers are advantageous the core and under the hard chrome layer for corrosive Operating conditions of the ring.
- One on a polished one Hard chrome layer applied to the core surface has a very smooth surface on what a very quiet run of a ring traveler on the hard chrome-plated ring causes. Commissioning without a ring inlet is therefore without Problems possible, what through the loss of production Break-in times greatly reduced.
- a ring, the one attached to the core of the ring Hard chrome layer also a polished surface has special advantages, because by the Polishing the surface of the hard chrome layer sharp - edged tips of chrome crystals that come from the Surface of the hard chrome layer can protrude, be rounded off. These pointed, sharp-edged Crystals of the hard chrome layer look like a file and result in sliding or over the hard chrome layer slipping objects to heavy wear. These file-like properties of the previously known Hard chrome layers are another reason why Hard chrome layers have never been used for rings for ring spinning or Ring twisting machines have been considered. Become the hard crystal tips of the hard chrome layer but rounded off by polishing, so this problem eliminated.
- the ring sets the one running around it Ring traveler only a low running resistance counter and there is no increased wear on Ring traveler on. So the core surface and the Surface of the hard chrome layer polished, so you get a very smooth, hard and wear-resistant Ring surface on which the ring traveler with little Wear can circulate.
- the roughness of the core surface is before applying the hard chrome layer e.g. Ra 0-0.3 ⁇ m, preferably less than 0.2 ⁇ m.
- Ra of the core surface of e.g. 0.15 ⁇ m also shows the surface of the hard chrome layer applied thereon a roughness of approximately 0.15 ⁇ m.
- the core of the ring is made of tempered steel. From the high speeds, with which the ring travelers can run on the rings large centrifugal forces arise, so that the ring traveler Apply pressure to the ring. Thread breaks at these circulation speeds can increase a sudden shock load on the ring caused by the Lead ring traveler. A core material that is too soft leads to such pressure or impact loads Damage to the core and hard chrome layer. Is this Base material of the ring, on the other hand, is a tempered steel, see above gives the material lying under the hard chrome layer even with high pressure and sudden impact loads not after and the ring can withstand these loads without Damage to the hard chrome layer and the underlying one Survive core.
- the hard chrome layer advantageously has a thickness between 1 ⁇ m and 60 ⁇ m, the layer thickness in a preferred embodiment in the range of the highest Stress, i.e. in those areas of the ring that with the ring traveler during his run on the ring in Contact is the thickest.
- the ring has at least one electrical contact point, over which the ring during the application of the Hard chrome layer is powered.
- This Electrical contact point is advantageously in the Area of a seat that the contact surfaces exhibiting area, e.g. a flange. This arrangement ensures that in the area no undesirable bumps in the contact surfaces, Roughness or other disturbances caused by the Electrical contact points in the hard chrome layer or on the surface of the ring arise. Even if after polishing the hard chrome layer the place of Electrical contact points no longer localized by the eye hard chrome layer at these locations but have micro-faults, which wear resistance or run of the ring traveler or the Negatively affect the wear resistance of the ring.
- An inventive, hard chrome plated ring advantageous in all spinning mills and Threading plants with ring spinning or with Ring twisting machines work because of the use of such a ring the production costs can be reduced can.
- the ring offers special advantages everywhere where materials are processed that are being processed lubricating substances, e.g. animal fat or Fibers with lubricating properties, in the range of Submit rings and the ring traveler. Most notably the ring is suitable for processing cotton with their short, lubricating fibers. Since the Surface of the ring has a very high wear resistance has and the ring traveler only a small Opposed running resistance, so that this on a such a ring runs with very little wear, no one is required additional lubrication, e.g.
- Fig. 1 shows a perspective part of one with a Hard chrome layer 26 (not explicitly shown) coated ring 10 with e.g. from tempered Rolling steel manufactured core 11, one side is designed as a T-flange 12.
- the flange 12 opposite side is designed as a seat 18, the seat 18 in a variety of ways can be configured, for example as in Fig. 2c shown.
- the annular core 11 of the ring 10 has a polished core surface 28.
- FIG. 2a and 2b are two on average Designs of hard chrome-plated rings 10 with T flanges 12 and with something to match differently designed C-shaped ring travelers 14 shown.
- the section is one hard-chromed ring 10 shown, the core 11 in Form of an inclined flange 17 is formed. Also from the core 11 is shaped opposite the inclined flange 17 in this example a square cross section having seat 18 arranged. On the bevel flange 17 a matching hook-shaped ring traveler 19 is shown. All ring travelers 14, 19 are in a position with respect to the respective flange 12, 17 shown during of the company in relation to the ring 10.
- a contact surface 24 forms in the area of this contact surface 24 Stress on the ring 10 in relation to wear, Temperature, pressure, etc. greatest. To this burden To meet accordingly, a hard chrome layer 26 in this area of the ring 10 thickest.
- the ring from FIG. 2a is again shown in section.
- the hard chrome layer 26 covers 3a only a part of the core surface 28 which in 3b shown ring 10, however, is complete with the Hard chrome layer 26 coated.
- the hard chrome layer 26 is directly on the polished core surface 28 of the core 11 of the respective ring 10 applied. Since a thread 30, which during operation by the ring traveler 14, 19 is passed through (indicated by dashed lines in FIG. 1), depending on speed, type of thread and Machine settings under one different the area of the ring 10 or its flange 12, 17, which with the ring traveler 14, 19 the contact surface 24 forms vary locally. On Area A on the radially inner side 16 of the Flange 12 of the ring 10 on which the Can form contact surface 24 is therefore somewhat larger chosen as the actually at this point forming contact surface 24.
- Fig. 3a shows an embodiment in which the Hard chrome layer 26 primarily in area A and one more little in a transition area B, which can also be loaded can (see below) is applied.
- the Residual area C of the ring 10 is not with the Hard chrome layer 26 coated.
- Such a ring 10 has the same advantages, less wear and tear Ring 10 and ring traveler 14, 19, very quiet running, little Thread breaks, etc., like a completely chrome-plated one Ring 10.
- Embodiment is the thickness of the hard chrome layer 26 in area A e.g. 20-40 ⁇ m.
- one Transition area B on the radially inner side 16 of the flange 12 has the hard chrome layer 26 average thickness of 10 to 25 microns.
- the layer thickness in Remaining area C the remaining part of the ring 10 is at least 4 ⁇ m.
- the reason for that average layer thickness of the hard chrome layer 26 in Transition area B of the ring 10 is that during operation with an unfavorable parameter setting (Thread type, thread thickness, ring traveler shape, Ring traveler weight etc.) also in this transition area B a contact surface 24 between ring traveler 14, 19 and ring 10 can form. So that the ring 10 after a one time Operation with such an unsuitable parameter setting not immediately damaged and it can still be used without any problems useful that the ring 10 in this area B a little has thicker hard chrome layer 26 than in the remaining area C.
- the core 11 of the ring 10 is just as resistant is like the hard chrome layer 26, the core is 11
- the basic material for the core 11 are of course also other materials such as other case hardened quenched and tempered steels, ceramics, Plastics or e.g. Composite materials conceivable that comparable properties, e.g. Hardness, impact resistance etc., such as tempered roller bearing steel.
- For the core can have better corrosion resistance a nickel or copper layer.
- the Hard chrome layer itself can also be an ECD or Topocrom layer.
- rings 10 are suitable all ring shapes to ring 10 with hard chrome layer 26 to be trained. Also regarding the material and the shape of the ring traveler 14, 19 there are none Restrictions on their usability together with the ring 10 according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Spinning Or Twisting Of Yarns (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Storage Of Web-Like Or Filamentary Materials (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Machines For Manufacturing Corrugated Board In Mechanical Paper-Making Processes (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
- Adornments (AREA)
Description
- Fig. 1
- einen Teil eines Ringes mit einem T-Flansch und mit einem auf ihm umlaufenden Ringläufer;
- Fig. 2a bis 2c
- Ringe mit verschiedenen Flanschprofilen im Querschnitt mit jeweils passenden Ringläufern
- Fig. 3b
- den Ring aus Fig. 2a mit nur teilweise beschichteter Kernoberfläche; und
- Fig. 3b
- den Ring aus Fig. 2a mit vollständig beschichteten Kern und angedeuteter Schichtdickenverteilung der Hartchromschicht auf diesem Kern.
Claims (10)
- Ring (10) für eine Ringspinn- oder eine Ringzwirnmaschine mit einem ringförmigen, polierten Kern (11) und einer Chromschicht dadurch gekennzeichnet, dass der Kern mit einer Nickel- oder Kupferschicht beschichtet ist und dass auf diese eine Hartchromschicht (26) aufgebracht ist.
- Ring nach Anspruch 1, dadurch gekennzeichnet, dass die Hartchromschicht (26) eine polierte Oberfläche aufweist.
- Ring nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Kupfer- oder Nickelschicht eine polierte Oberfläche aufweist.
- Ring nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass die Hartchromschicht eine in sich strukturierte und/oder mit nichtmetallischen Komponenten angereicherte Hartchromschicht ist.
- Ring nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass der Kern (11) des Rings (10) aus Stahl ist, insbesondere aus einem vergüteten Stahl.
- Ring nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass die Hartchromschicht (26) zwischen 1 µm und 60 µm dick ist, eine Härte HV zwischen 900 und 1200 und eine Rauheit Ra von insbesondere bis zu 0.3 µm aufweist.
- Ring nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, dass dieser eine Kontaktfläche (24) aufweist, welche durch die sich beim Laufen eines Ringläufers (14, 19) auf dem Ring (10) ergebenden Berührungsstellen bestimmt ist, und dass zumindest die Kontaktfläche (24) eine Hartchromschicht (26) aufweist, wobei, sollten weitere Flächen eine Hartchromschicht (26) aufweisen, die Hartchromschicht (26) der Kontaktflächen am dicksten ist.
- Ring nach Anspruch 7, dadurch gekennzeichnet, dass der Ring (10) an einem der Seite mit der Kontaktfläche (24), die vorzugsweise als Flansch (12) ausgebildet ist, gegenüberliegenden Sitz (18) eine Elektrokontaktstelle (19) aufweist.
- Verwendung des Rings (10) nach einem der Ansprüche 1 bis 8 zur Verarbeitung von fasrigen Materialien, die Substanzen mit schmierenden Eigenschaften abgeben, insbesondere schmierend wirkende Fasern, wie Baumwolle.
- Verwendung des Rings (10) nach einem der Ansprüche 1 bis 8 in einer Spinnerei oder Zwirnerei.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CH1998/000124 WO1999051802A1 (de) | 1998-04-02 | 1998-04-02 | Ring für ringspinn- und ringzwirnmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1068382A1 EP1068382A1 (de) | 2001-01-17 |
EP1068382B1 true EP1068382B1 (de) | 2002-06-26 |
Family
ID=4551316
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98909264A Expired - Lifetime EP1068382B1 (de) | 1998-04-02 | 1998-04-02 | Ring für ringspinn- und ringzwirnmaschinen |
Country Status (10)
Country | Link |
---|---|
US (1) | US6360521B1 (de) |
EP (1) | EP1068382B1 (de) |
JP (1) | JP2002510755A (de) |
CN (1) | CN1190536C (de) |
AT (1) | ATE219795T1 (de) |
DE (1) | DE59804610D1 (de) |
ES (1) | ES2175684T3 (de) |
PT (1) | PT1068382E (de) |
TR (1) | TR200002870T2 (de) |
WO (1) | WO1999051802A1 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012070063A2 (en) * | 2010-11-24 | 2012-05-31 | Lakshmi Machine Works Ltd. | Improved textile spinning and twisting ring |
CN102443893A (zh) * | 2011-09-22 | 2012-05-09 | 吴江秦邦纺织有限公司 | 一种具有自润性能钢丝圈的制备工艺 |
CH706605A1 (de) * | 2012-06-08 | 2013-12-13 | Braecker Ag | Spinn- oder Zwirnring. |
JP5910569B2 (ja) | 2012-07-04 | 2016-04-27 | 株式会社豊田自動織機 | リング式紡機のリング/トラベラ系 |
CN102758280A (zh) * | 2012-07-06 | 2012-10-31 | 常熟市天豪机械有限公司 | 纺织钢领圈 |
CH708659A2 (de) * | 2013-10-03 | 2015-04-15 | Bräcker Ag | Spinn- oder Zwirnring. |
WO2017153969A2 (en) * | 2016-03-10 | 2017-09-14 | Ab Carter, Inc. | Metallic sulfide coated travelers, methods of coating travelers, and systems for use of metallic sulfide coated travelers |
CH712733A1 (de) | 2016-07-22 | 2018-01-31 | Bräcker Ag | Ringläufer. |
JP7390969B2 (ja) | 2020-05-12 | 2023-12-04 | 株式会社豊田中央研究所 | 精紡機用リングおよびその製造方法 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE843490C (de) | 1949-08-24 | 1952-07-10 | Rieter Joh Jacob & Cie Ag | Verfahren zur Herstellung von Laeuferringen fuer Spinn- und Zwirnmaschinen |
US2970425A (en) | 1956-05-21 | 1961-02-07 | Walter A Kluttz | Plated spinning ring and method of making same |
US4246746A (en) * | 1979-01-31 | 1981-01-27 | Standard Oil Company (Indiana) | Method and apparatus for winding and twisting yarn |
US4354342A (en) * | 1979-01-31 | 1982-10-19 | Standard Oil Company (Indiana) | Twister ring and traveler |
FR2463829A1 (fr) * | 1979-08-24 | 1981-02-27 | Alsacienne Constr Meca | Perfectionnement aux dispositifs antiballon des continus a filer |
JPH0723566B2 (ja) * | 1985-04-18 | 1995-03-15 | 金井 宏之 | 紡機用リング |
US4677817A (en) * | 1985-12-19 | 1987-07-07 | Kanai Juyo Kogyo Kabushiki Kaisha | Travellers for spinning machinery |
JPH0811848B2 (ja) | 1987-12-28 | 1996-02-07 | 金井 宏之 | 紡機用リング |
DE4300491A1 (de) | 1993-01-13 | 1994-07-14 | Carl Hofmann Ringlaeufer Und R | Ring für Spinnmaschinen und Verfahren zur Herstel- lung einer Oberflächenschicht |
DE4342148A1 (de) * | 1993-12-10 | 1995-06-14 | Cerasiv Gmbh | Ring-/Läufersystem für Spinn- und Zwirnmaschinen |
US5721055A (en) * | 1995-01-03 | 1998-02-24 | Surface Technology, Inc. | Lubricated textile spinning machinery parts |
US5829240A (en) | 1997-03-17 | 1998-11-03 | A. B. Carter, Inc. | Spinning ring having improved traveler bearing surface |
-
1998
- 1998-04-02 DE DE59804610T patent/DE59804610D1/de not_active Expired - Fee Related
- 1998-04-02 PT PT98909264T patent/PT1068382E/pt unknown
- 1998-04-02 WO PCT/CH1998/000124 patent/WO1999051802A1/de active IP Right Grant
- 1998-04-02 CN CNB988140837A patent/CN1190536C/zh not_active Expired - Fee Related
- 1998-04-02 JP JP2000542511A patent/JP2002510755A/ja active Pending
- 1998-04-02 TR TR2000/02870T patent/TR200002870T2/xx unknown
- 1998-04-02 AT AT98909264T patent/ATE219795T1/de not_active IP Right Cessation
- 1998-04-02 ES ES98909264T patent/ES2175684T3/es not_active Expired - Lifetime
- 1998-04-02 EP EP98909264A patent/EP1068382B1/de not_active Expired - Lifetime
- 1998-04-02 US US09/647,333 patent/US6360521B1/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59804610D1 (de) | 2002-08-01 |
ATE219795T1 (de) | 2002-07-15 |
CN1190536C (zh) | 2005-02-23 |
ES2175684T3 (es) | 2002-11-16 |
WO1999051802A1 (de) | 1999-10-14 |
PT1068382E (pt) | 2002-11-29 |
CN1295634A (zh) | 2001-05-16 |
JP2002510755A (ja) | 2002-04-09 |
TR200002870T2 (tr) | 2000-12-21 |
EP1068382A1 (de) | 2001-01-17 |
US6360521B1 (en) | 2002-03-26 |
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