EP1399277B1 - Verfahren und vorrichtung zum kühlen und schmieren von walzen eines walzgerüstes - Google Patents

Verfahren und vorrichtung zum kühlen und schmieren von walzen eines walzgerüstes Download PDF

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Publication number
EP1399277B1
EP1399277B1 EP02754755A EP02754755A EP1399277B1 EP 1399277 B1 EP1399277 B1 EP 1399277B1 EP 02754755 A EP02754755 A EP 02754755A EP 02754755 A EP02754755 A EP 02754755A EP 1399277 B1 EP1399277 B1 EP 1399277B1
Authority
EP
European Patent Office
Prior art keywords
water
strip
cooling
lubricant
rolling
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
Application number
EP02754755A
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German (de)
English (en)
French (fr)
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EP1399277A1 (de
Inventor
Jürgen Seidel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Demag AG
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 Demag AG filed Critical SMS Demag AG
Publication of EP1399277A1 publication Critical patent/EP1399277A1/de
Application granted granted Critical
Publication of EP1399277B1 publication Critical patent/EP1399277B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0218—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for strips, sheets, or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates

Definitions

  • the invention relates to a method for cooling and / or lubricating rolls, in particular of work rolls of a rolling stand and an intermediate this rolling conveyed through during rolling.
  • roller peeling and the rolling of scale to avoid or reduce exists according to a document EP 09 08 248 A2 is to lubricate the rolls.
  • rollers in front of the nip with an oil-water mixture to spray It serves a small amount of water as a carrier medium for the oil.
  • the coefficient of friction should be lowered and partly a thin oil release layer can be created which protects the roller from wear protects.
  • the workpieces at least two with each other to supply immiscible fluids, namely a substrate for reducing the Friction between the cutting edge and the workpiece, as well as a substrate for cooling cutting edge and workpiece, both substrates being stored separately from each other, conveyed via separate supply lines to an application organ and be sprayed from these on the workpiece to be machined.
  • a largely similar process for lubricating and cooling cutting or workpieces is still known from DE 43 09134 A1, according to which in a relative movement of the cutting edge and workpiece in the direction of the Cutting area first the lubricant and then the coolant Sprayed in accordance with the required cooling of the workpiece and the tool becomes. For this, the temperature of a cutting edge or a tool or a workpiece and determines the task rate of one of the two Fluids adjusted according to the determined temperature.
  • the document JP-A-07068310 describes a water cooling device for Cooling the surface of a rolled strip and a Device for feeding rolled oil separated by a water scraper. Both Facilities are near the nip between an upper and a lower one Roll arranged, wherein a lubrication of the rollers through the Rolling oil device is used to reduce the thermal load, thereby Heat development and rolling load by reducing the friction coefficient be reduced. As a result, the roller is freed from the rough surface, and, because the temperature of the rolled strip surface is lowered, the Emergence of a secondary scale formation canceled and scale scrapers are avoided.
  • the document JP-A-11-290932 shows immediately adjacent to the nip between upper and lower work roll with upper and lower support roller cooling equipment for the cooling of the rolled strip and Walzöl noticeden and Cooling devices that are separated by scrapers for water.
  • Lubricants are used to mix lubricating oil with cooling water intended.
  • the flow rate of the cooling water for cooling the upper and lower surfaces of the rolled strip by means of the nozzles on the inlet side of the framework is at 75 m / sec. set.
  • the document JP-A-07-075809 describes when rolling steel with high Carbonantell at high speed the use of highly basic Metal salt sulfonate for application to the surface of at least one Stripper.
  • a sulphonate applicator and shielding device is provided between a water scraper and a lubricant application device below the cooling water Sprühhein direction arranged on the inlet side of the rollers is. This means that the order of sulfonate is separate from the commonly used Lubricant takes place.
  • the document SU-A-1 761 322 describes the application of lubricating and Coolant on roll surfaces.
  • the lubricant consists of saponified Fatty acids. The advantage is that the process the abrasion resistance and the quality of the rolled strip by a factor of 2.5, to 3.4 elevated.
  • the invention provides a method of the The preamble of claim 1 mentioned type for cooling and lubricating Rolls, in particular the work rolls of a rolling stand and an intermediate this rolling conveyed through during rolling ago that depending on Marginal conditions and requirement either applied only lubricant or only the rolling belt cooling is activated.
  • the inlet side roller cooling in the case of active Lubrication deactivated, taking the excess water from the inlet side is used to intensify the outlet side roll cooling.
  • the others intensive cooling of the rollers on the outlet side takes place exclusively with water spray.
  • the roller cooling activated on the inlet side.
  • An apparatus for cooling and / or lubricating rollers according to the invention in particular the work rolls of a rolling stand and one between them rolled and conveyed rolled strip using See water in the form of spray as a cooling medium and a lubricant prior to that, an arrangement of a lubricant spray on the top roller above a scraper and on the lower roller below a scraper seen, which advantageously on the already existing in rolling stands Scraper can be used.
  • Femer is below the upper inlet side scraper and above the lower inlet side scraper one directed against the rolled strip baffle or water spreading plate used for the spraying to raise the spray water to distribute the rolled strip as evenly as possible and without banding.
  • This may be a sheet each side, but also two baffles, which focus the water jet in a funnel shape to the best possible Uniformity ofdemitteistrahls across the width of the rolling surface to achieve.
  • a so-called water curtain used, for example, according to DE Patent 28 04 982, wherein From a rectangular slit, the water escapes and sprayed against the tape becomes.
  • An optimization of the water curtain provides that the Opening width of the exit slot is adjustable to z.
  • a rolled strip 1 between the work rolls 2, 3 of a not shown roll stand in thickness by about 50% in one single roll pass reduced.
  • the following also not shown Scaffolds have roughly the same size of stitches.
  • a combined use of cooling of the belt and lubrication of the roll surface carried out with the following measures.
  • the media - water or Lubricant - each not shown in detail separate storage containers and separate feeds to the loading members 11, 11 '; 11 "for water 4,5 and to the separate admission members 12, 12 'for lubricants 10, 10 'assigned.
  • these admission bodies designed as a lubrication and cooling beam.
  • the arrangement of the lubricant bars 12 on the upper work roll 3 is provided above a scraper 9.
  • the arrangement of the lubricant bar 12 ' is on the lower work roll 2 provided below the scraper 8.
  • the upper water-cooling bar 11 for cooling the top of the belt 1 is below the scraper 9 and the lower water cooling bar 11 for cooling the underside of the rolled strip. 1 is arranged above the scraper 8.
  • water cooling bar 11 With the help of the water cooling bar 11 are water spray 4, 5 on the rolled strip surfaces in front of the nip the work rolls 2, 3 directed.
  • the water spray 4, 5 With the help of the baffle 14 above of the rolled strip 1 and with the aid of the deflecting plates 13 below the rolled strip 1, the water spray 4, 5 are deflected so that they possible impinge directly in the inlet side region of the roll gap and there in the loading areas 7, 7 'for direct cooling of the rolled strip 1 and for indirect cooling of the work rolls 2, 3 for optimum effect reach.
  • baffles An alternative arrangement of the baffles can also be seen from FIG.
  • a water jet is funnel-shaped by means of two baffles focused to ensure the best possible uniformity of the beam across the roll width to achieve.
  • lubrication bar 12, 12 ' For generating lubricant spray jets 10, 10 'are the lubrication bar 12, 12 'provided.
  • the lubricant is used to achieve the most adhesive possible Films on the largely water-free area of the roll surface the work rolls applied.
  • the lubrication and cooling bars 11, 12 can be controlled so that the inlet side water cooling 11 "deactivated in case of active lubrication and with non-active lubrication the roller cooling 11 "is activated. If the roller cooling 11 "on the inlet side is deactivated, excess Water from there to intensify the outlet side roll cooling, i.e. the arranged there cooling bar 11 'fed. Also it is possible from Combined roll cooling and roll lubrication with separate application locations umzusteuem on an exclusive water cooling, wherein all watercooling bars 11, 11 'shown; 11 "are activated and the lubrication bars 12 are disabled altogether.
  • FIG 2 A further embodiment of the arrangement is shown in FIG 2 for the strip cooling immediately before the nip.
  • water 4, 5 from a rectangular Slot and is injected against the belt 1.
  • eccentric adjustment 19 which may be manual or motorized, is the slot or Opening width continuously adjustable by turning the shaft.
  • An embodiment of the lubricant supply according to Figure 3 looks further in that on the work roll sprayed lubricant 10, 10 'within a shielding shell 16, 16 'past the roller and back again becomes.
  • the pivotable shielding shell shows a supply line 17, 17 'for the Lubricant 10, 10 'and a discharge line 18, 18'.
  • the lubricant can also be discharged laterally and then be caught. As a result, if necessary, a treatment or disposal of the lubricant possible. It prevents this from happening in the cooling circuit accumulates.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)
  • Heat Treatment Of Articles (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Lubricants (AREA)
EP02754755A 2001-06-28 2002-06-25 Verfahren und vorrichtung zum kühlen und schmieren von walzen eines walzgerüstes Expired - Lifetime EP1399277B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10131369 2001-06-28
DE10131369A DE10131369A1 (de) 2001-06-28 2001-06-28 Verfahren und Vorrichtung zum Kühlen und Schmieren von Walzen eines Walzgerüstes
PCT/EP2002/007030 WO2003002277A1 (de) 2001-06-28 2002-06-25 Verfahren und vorrichtung zum kühlen und schmieren von walzen eines walzgerüstes

Publications (2)

Publication Number Publication Date
EP1399277A1 EP1399277A1 (de) 2004-03-24
EP1399277B1 true EP1399277B1 (de) 2005-08-17

Family

ID=7689892

Family Applications (1)

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EP02754755A Expired - Lifetime EP1399277B1 (de) 2001-06-28 2002-06-25 Verfahren und vorrichtung zum kühlen und schmieren von walzen eines walzgerüstes

Country Status (18)

Country Link
US (1) US7159433B2 (ru)
EP (1) EP1399277B1 (ru)
JP (1) JP4234003B2 (ru)
KR (1) KR100861247B1 (ru)
CN (1) CN1240494C (ru)
AT (1) ATE302072T1 (ru)
AU (1) AU2002321114B2 (ru)
BR (1) BR0209701B1 (ru)
CA (1) CA2452057C (ru)
CZ (1) CZ20033076A3 (ru)
DE (2) DE10131369A1 (ru)
ES (1) ES2247363T3 (ru)
MX (1) MXPA03011355A (ru)
RU (1) RU2287386C2 (ru)
TW (1) TWI259111B (ru)
UA (1) UA79935C2 (ru)
WO (1) WO2003002277A1 (ru)
ZA (1) ZA200308587B (ru)

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DE102007010375A1 (de) 2007-01-25 2008-07-31 Sms Demag Ag Vorrichtung zur Kühlung eines Metallbandes
DE102007042898A1 (de) 2007-06-08 2008-12-11 Sms Demag Ag Verfahren und Vorrichtung zur Walzenschmierung
DE102010028609A1 (de) * 2010-05-05 2011-11-10 ACHENBACH BUSCHHüTTEN GMBH Verfahren und Vorrichtung zum Entfernen von Kühl- und/oder Schmiermittel von Walzen eines Walzgerüstes
CN101432083B (zh) * 2006-02-27 2013-01-02 纽科尔公司 低表面粗糙度铸带生产方法

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US20030145694A1 (en) 2002-02-04 2003-08-07 Zbigniew Zurecki Apparatus and method for machining of hard metals with reduced detrimental white layer effect
DE102004025058A1 (de) * 2004-05-18 2005-12-08 Sms Demag Ag Verfahren und Vorrichtung zur Kühlung und/oder Schmierung von Walzen und/oder Walzgut
DE102004040375A1 (de) 2004-06-09 2005-12-29 Sms Demag Ag Verfahren und Walzgerüst zum Kaltwalzen von metallischem Walzgut, insbesondere von Walzband, mit Düsen für gasförmige oder flüssige Behandlungsmedien
JP2006117659A (ja) * 2004-09-27 2006-05-11 Kobayashi Pharmaceut Co Ltd 脱毛改善剤
JP2006117657A (ja) * 2004-09-27 2006-05-11 Kobayashi Pharmaceut Co Ltd テカリ抑制剤
WO2006006268A1 (ja) * 2004-09-27 2006-01-19 Kobayashi Pharmaceutical Co., Ltd. テカリ抑制剤
WO2006006270A1 (ja) * 2004-09-27 2006-01-19 Kobayashi Pharmaceutical Co., Ltd. 脱毛改善剤
JP4355280B2 (ja) * 2004-11-22 2009-10-28 新日本製鐵株式会社 冷間圧延における潤滑油供給方法
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DE102008049537A1 (de) * 2008-09-30 2010-04-01 Sms Siemag Aktiengesellschaft Verfahren und Vorrichtung zum Kühlen eines Vorbandes oder Bandes eines Metallstrangs in einem Warmwalzwerk
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CN101693256B (zh) * 2009-11-05 2011-06-08 北京科技大学 一种改善上下工作辊磨损差异的热轧润滑方法
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BR112013029435B1 (pt) * 2011-05-16 2021-01-05 Nippon Steel & Sumikin Engineering Co., Ltd. dispositivo de limpeza de cilindro de laminador e método de limpeza
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CN111037823A (zh) * 2019-12-30 2020-04-21 新乐华宝塑料薄膜有限公司 一种高透明药贴用薄膜的冷却装置及其冷却工艺
CN111702016A (zh) * 2020-06-24 2020-09-25 南京工程学院 一种适用于层状金属复合板轧制润滑的装置及其使用方法
CN112122348A (zh) * 2020-08-19 2020-12-25 吴爱义 一种冷轧精细化工艺润滑和冷却***
EP4101552A1 (de) * 2021-06-09 2022-12-14 Primetals Technologies Austria GmbH Verfahren zur herstellung eines mikrolegierten stahls, ein mit dem verfahren hergestellter mikrolegierter stahl und giess-walz-verbundanlage
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101432083B (zh) * 2006-02-27 2013-01-02 纽科尔公司 低表面粗糙度铸带生产方法
DE102007010375A1 (de) 2007-01-25 2008-07-31 Sms Demag Ag Vorrichtung zur Kühlung eines Metallbandes
DE102007042898A1 (de) 2007-06-08 2008-12-11 Sms Demag Ag Verfahren und Vorrichtung zur Walzenschmierung
DE102010028609A1 (de) * 2010-05-05 2011-11-10 ACHENBACH BUSCHHüTTEN GMBH Verfahren und Vorrichtung zum Entfernen von Kühl- und/oder Schmiermittel von Walzen eines Walzgerüstes

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CZ20033076A3 (en) 2004-05-12
US7159433B2 (en) 2007-01-09
UA79935C2 (en) 2007-08-10
KR100861247B1 (ko) 2008-10-02
CA2452057C (en) 2010-08-10
WO2003002277A1 (de) 2003-01-09
ZA200308587B (en) 2004-07-19
EP1399277A1 (de) 2004-03-24
RU2004102200A (ru) 2005-06-10
ES2247363T3 (es) 2006-03-01
KR20040015256A (ko) 2004-02-18
BR0209701A (pt) 2004-07-27
DE50203972D1 (de) 2005-09-22
BR0209701B1 (pt) 2010-10-05
CA2452057A1 (en) 2003-01-09
MXPA03011355A (es) 2004-07-08
DE10131369A1 (de) 2003-01-09
JP4234003B2 (ja) 2009-03-04
US20040217184A1 (en) 2004-11-04
RU2287386C2 (ru) 2006-11-20
AU2002321114B2 (en) 2008-01-31
TWI259111B (en) 2006-08-01
JP2004532130A (ja) 2004-10-21
CN1537035A (zh) 2004-10-13
CN1240494C (zh) 2006-02-08
ATE302072T1 (de) 2005-09-15

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