WO2017198253A1 - Douille de tourillon et de palier - Google Patents

Douille de tourillon et de palier Download PDF

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Publication number
WO2017198253A1
WO2017198253A1 PCT/DE2017/100348 DE2017100348W WO2017198253A1 WO 2017198253 A1 WO2017198253 A1 WO 2017198253A1 DE 2017100348 W DE2017100348 W DE 2017100348W WO 2017198253 A1 WO2017198253 A1 WO 2017198253A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing
journal
contact surface
annular channel
bushes
Prior art date
Application number
PCT/DE2017/100348
Other languages
German (de)
English (en)
Inventor
Frank Benfer
Original Assignee
Sms Group Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sms Group Gmbh filed Critical Sms Group Gmbh
Publication of WO2017198253A1 publication Critical patent/WO2017198253A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/74—Sealings of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/24—Brasses; Bushes; Linings with different areas of the sliding surface consisting of different materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2322/00—Apparatus used in shaping articles
    • F16C2322/12—Rolling apparatus, e.g. rolling stands, rolls
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/10—Construction relative to lubrication
    • F16C33/1025—Construction relative to lubrication with liquid, e.g. oil, as lubricant
    • F16C33/103—Construction relative to lubrication with liquid, e.g. oil, as lubricant retained in or near the bearing

Definitions

  • the present invention relates to bearing and journal bushings for hydrodynamic plain bearings, in particular for load-bearing oil film bearings of back-up rolls in rolling mills with a designed as a ring segment bearing seal, which is arranged in the radial direction positively and sealingly fitting to the pin bushing.
  • EP 1 031 389 B1 proposes sealing devices which seal the bearing gap between roll neck / shaft journal bushing and bearing bush.
  • the publication DE 196 28 731 A1 describes a sealed bearing of a roller, on the cylindrical roll neck pin bushings of high strength are preferably shrunk and the leg of a profiled sealing ring, the end faces of the journal bushings facing the roll barrel ends sealing and areas of Walzenbai - len end faces are formed across.
  • journal or the bearing bush in the region of the form-fitting and sealingly fitting bearing seal is associated with a, circumferential in the radial direction, wear-resistant contact surface consisting of a higher-alloyed and abrasion-resistant material is formed as the base material of the journal or the bearing bush.
  • a surface is provided which is more resistant to abrasion, so that the service life of the journal or bearing bush can be considerably extended.
  • the wear-resistant contact running surface can be designed as at least one exchangeable contact running surface. It is no longer necessary to replace the entire journal or bushing with a new one. Rather, it is possible to replace only the contact surface. This saves considerable costs and the processing of the journal or bushing, which is only worn in the contact area, can be carried out in a very short time.
  • the wear-resistant contact surface can be arranged in a, in the journal or bearing bush embedded, rotating in the radial direction annular channel, positively and positively connected to the journal or bearing bush.
  • An exchange of the contact surface with standardized tools is thus possible.
  • it can be removed in one piece from the annular channel and replaced by a new one.
  • a contact surface is thus to be understood in this context, a three-dimensional body which is accurately fitted in the provided in the journal or bearing bushing annular channel.
  • the wear-resistant contact running surface as a single or multi-layered contact welding applied in the annular channel.
  • the contact surface could be solved by means of suitable machining machining methods of the annular channel.
  • the wear-resistant contact running surface as a ring segment which can be positively and positively inserted into the annular channel.
  • the ring segment should be designed such that it can be shrunk into the annular channel of the pin bushing form and rotation.
  • the device is further provided to give the annular channel in the transverse direction to the installation position of the journal or bearing bush a substantially concave cross-section.
  • This embodiment proves to be particularly advantageous if the Kontakflauf concept by flame spraying or build-up welding, for example by means of TIG welding or MIG - welding process to take place.
  • the weld bead can be placed in the concave annular channel. Since the weld bead tapers to the edges, a smooth transition to the base material of the pin bushing is possible.
  • the annular channel in another embodiment in the transverse direction to the installation position of the journal or bushing essentially as an isosceles trapezoid.
  • the annular channel can be designed as a negative mold for the contact contact surface designed to be suitable for this purpose (as a positive mold).
  • it may be provided to form the annular channel in the journal or bearing bush in such a way that the long base side of the trapezoid terminates with the surface of the journal or bearing bush.
  • the contact surface is formed raised with respect to the surface of the journal or bearing bush. This could additionally increase the service life of the journal or bearing bush. In such an embodiment, it would then no longer necessarily be provided to form the contact running surface of a harder and / or more abrasion-resistant material than the material from which the journal or bearing bush was manufactured.
  • the width of the contact running surface can essentially correspond to the width of the bearing seal designed as a ring segment.
  • Fig. 1 is a simplified, schematic representation in cross section of an embodiment the pin / bushing according to the invention with a trained as a contact surface wear-resistant layer;
  • Fig. 2 is a simplified schematic representation
  • Fig. 3 is a simplified, schematic representation
  • Contact surface is formed as a ring segment and embedded in a groove formed as an annular channel
  • Fig. 5 is a schematic representation in cross section of another embodiment of the
  • a bearing bush 11 is axially centered in a pin bushing 12.
  • the actual bearing in which the layer bushing 11 is embedded and the pin, with which the pin bushing 12 is operatively connected, not shown.
  • a ring segment 14 is provided in the region of the free end 13 of the bearing bush 11.
  • the ring segment 14 is formed as a, in the radial direction positively and sealingly on the pin bushing 12, on a Maisflä surface 15 abutting arranged, bearing seal.
  • the contact surface 15 is arranged in a concave annular channel 16 (shown in a raised position).
  • the contact surface 15 is a job by contract welding in the annular channel 16 order, which is formed of a higher-alloyed and / or harder material than the material from which the bearing bush 11 and the spigot bushings 12 are formed.
  • the so-called cladding mainly three welding processes are used.
  • the highly efficient ESW process electroslag welding, ie electric arc welding
  • the TIG process tungsten inert gas welding
  • MAG welding metal active gas welding
  • the flame spraying in question in the powder, wire, lace and rod-shaped filler materials processed and can be sprayed onto the component surfaces. Both ceramic materials and plastics and / or metallic materials can be applied.
  • the annular channel 16 is completely filled by the introduced or applied material.
  • the contact running surface 15 of the journal bushing 12 which is inserted into the annular channel 16 or has been applied must be reworked in order to be able to ensure a uniformly smooth surface.
  • the layers applied by the cladding are usually set to a thickness of 1, 5 to 3.0 mm but also to a thickness of up to 5.0 mm.
  • the contact bearing surface 15 terminates flush with the surface 17 of the journal bushing 12.
  • the contact surface 15 with respect to the surface 17 of the Zap fenbuchse 12 sublime form, which is otherwise applicable for the Ausry tion form of FIG.
  • Fig. 3 shows the bearing bush 12 in which a designed as a rectangle annular channel 18 is inserted.
  • the annular channel 18 may alternatively also be formed as a trapezoid or have a semicircular cross section, similar to that shown in FIG. It is provided here, in the annular channel 18, the wear-resistant contact surface 15 as a force and form-fitting usable ring segment 19 form.
  • the ring segment 19 can be shrunk into the annular channel 18 of the pin bushing 12, form and rotation.
  • Fig. 4 shows a further embodiment of the arrangement of the annular channel 18 in the bearing bush 12.
  • the annular channel 18 is open towards the free end 13 formed.
  • the ring segment 19 is located in the open towards the free end 13 annular channel 18 and can be flush with this.
  • the ring segment 19 is shrunk frictionally and on the pin bushing 12.
  • the contact surface 15 of the radially encircling ring segment 19 in this embodiment is flush with the surface 17 of the pin bushing 12.
  • FIG. 5 shows a further embodiment of the journal or bearing bush according to the invention with a wear-resistant layer in the form of a contact running surface, which is assigned to the bearing bush.
  • the annular channel 18a is arranged radially circumferentially in the bearing bush 11.
  • the ring segment 19a is fitted positively and positively.
  • the contact surface 15a closes in a form-fitting manner with the surface 20 of the bearing bush 11.
  • the ring segment 14a is provided in the region of the free end 13a of the pin bushing 12.
  • the ring segment 14a is designed as a bearing seal arranged in the radial direction in a form-fitting and sealing manner on the bearing bush 11 and on the contact surface 15a.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding-Contact Bearings (AREA)

Abstract

L'invention concerne une douille de tourillon et de palier pour paliers lisses, notamment pour paliers porteurs à film d'huile de cylindres d'appui dans des laminoirs comprenant un joint d'étanchéité conçu sous la forme d'un segment annulaire, lequel joint est ajusté par complémentarité de forme et de manière étanche sur la douille de tourillon ou de palier contre une surface de contact dans la direction radiale, la douille de tourillon ou de palier étant associée, dans la zone du joint d'étanchéité ajusté par complémentarité de forme et de manière étanche, à une surface de contact résistante à l'usure, laquelle est formée d'un matériau plus fortement allié et plus résistant à l'abrasion que le matériau de base de la douille de tourillon ou de palier.
PCT/DE2017/100348 2016-05-20 2017-04-27 Douille de tourillon et de palier WO2017198253A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016109299.1A DE102016109299A1 (de) 2016-05-20 2016-05-20 Lager- und Zapfenbuchse
DE102016109299.1 2016-05-20

Publications (1)

Publication Number Publication Date
WO2017198253A1 true WO2017198253A1 (fr) 2017-11-23

Family

ID=58772297

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2017/100348 WO2017198253A1 (fr) 2016-05-20 2017-04-27 Douille de tourillon et de palier

Country Status (2)

Country Link
DE (1) DE102016109299A1 (fr)
WO (1) WO2017198253A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3546772A1 (fr) * 2018-03-29 2019-10-02 Hamilton Sundstrand Corporation Palier de pompe hybride pour résistance à la contamination
DE102018119504A1 (de) * 2018-08-10 2020-02-13 Schuler Pressen Gmbh Verfahren zum Fertigen eines Gleitlagers und Gleitlager

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE29620018U1 (de) * 1996-11-18 1998-01-08 Kark, Uwe, 21149 Hamburg Walzenlager für Walzgerüste
DE19628731A1 (de) 1996-07-17 1998-01-22 Schloemann Siemag Ag Abgedichtetes Walzenlager
EP1031389B1 (fr) 1999-02-26 2002-05-22 Morgan Construction Company Joint d'étanchéité pour palier à film d'huile de laminoir
DE102013224117A1 (de) 2013-11-26 2015-05-28 Sms Siemag Ag Walzenanordnung für Walzen in einer Walzanlage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19628731A1 (de) 1996-07-17 1998-01-22 Schloemann Siemag Ag Abgedichtetes Walzenlager
DE29620018U1 (de) * 1996-11-18 1998-01-08 Kark, Uwe, 21149 Hamburg Walzenlager für Walzgerüste
EP1031389B1 (fr) 1999-02-26 2002-05-22 Morgan Construction Company Joint d'étanchéité pour palier à film d'huile de laminoir
DE102013224117A1 (de) 2013-11-26 2015-05-28 Sms Siemag Ag Walzenanordnung für Walzen in einer Walzanlage

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3546772A1 (fr) * 2018-03-29 2019-10-02 Hamilton Sundstrand Corporation Palier de pompe hybride pour résistance à la contamination
US10941767B2 (en) 2018-03-29 2021-03-09 Hamilton Sunstrand Corporation Hybrid pump bearing for contamination resistance
DE102018119504A1 (de) * 2018-08-10 2020-02-13 Schuler Pressen Gmbh Verfahren zum Fertigen eines Gleitlagers und Gleitlager

Also Published As

Publication number Publication date
DE102016109299A1 (de) 2017-11-23

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