WO2012079785A1 - Verfahren und vorrichtung zum aufbringen eines schmiermittels beim walzen eines metallischen walzgutes - Google Patents
Verfahren und vorrichtung zum aufbringen eines schmiermittels beim walzen eines metallischen walzgutes Download PDFInfo
- Publication number
- WO2012079785A1 WO2012079785A1 PCT/EP2011/065165 EP2011065165W WO2012079785A1 WO 2012079785 A1 WO2012079785 A1 WO 2012079785A1 EP 2011065165 W EP2011065165 W EP 2011065165W WO 2012079785 A1 WO2012079785 A1 WO 2012079785A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- spray
- lubricant
- rolling
- outlet openings
- rolling oil
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/02—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape
- B05B1/04—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means designed to produce a jet, spray, or other discharge of particular shape or nature, e.g. in single drops, or having an outlet of particular shape in flat form, e.g. fan-like, sheet-like
- B05B1/046—Outlets formed, e.g. cut, in the circumference of tubular or spherical elements
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
- B05B1/20—Arrangements of several outlets along elongated bodies, e.g. perforated pipes or troughs, e.g. spray booms; Outlet elements therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
- B05B7/0884—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point the outlet orifices for jets constituted by a liquid or a mixture containing a liquid being aligned
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
- B05B7/02—Spray pistols; Apparatus for discharge
- B05B7/04—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge
- B05B7/0416—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid
- B05B7/0483—Spray pistols; Apparatus for discharge with arrangements for mixing liquids or other fluent materials before discharge with arrangements for mixing one gas and one liquid with gas and liquid jets intersecting in the mixing chamber
-
- 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
Definitions
- the invention generally relates to the technical field of rolling a metallic material to be rolled, in particular one in a nip between two work rolls
- a lubricant is used.
- liquid or gaseous treatment media are used in the rolling of metallic rolling stock, for example a metal strip, for the purpose of lubrication and cooling.
- These treatment media vary depending on the type of rolling process: during hot rolling, where the rolling stock is heated to several 100 ° C
- Cold rolling in which the temperature of the rolling stock before the rolling process is usually below 100 ° C, the lubrication in the nip is usually done by a cold rolling oil, in addition, a cooling liquid is used.
- the invention is based on the object to provide a method and apparatus for applying a lubricant when rolling a metallic rolling stock, in which the lubricant consumption is minimized.
- the medium used for roller gap lubrication is not a rolling fluid but a spray, that is to say a mixture of rolling oil and a carrier gas.
- the lubricant is divided in an atomizer into finely distributed liquid drops and by means of the
- Carrier gas entered into the nip can either by spraying on the surface of the work rolls, and / or on the surface of the incoming into the roll gap
- Lubricant as a spray the lubricant consumption can be kept relatively low.
- the droplet-form lubricant wets very selectively only ene
- the decisive factor is merely that a sufficient amount of oil for lubrication reaches the nip; This can basically be done by spraying on the surface of the work rolls or on the surface of the incoming
- the concentration of the lubricant in the nip is significantly higher. This increases the efficiency of the lubricant used, because just as much rolling oil passes into the rolling gap as required depending on the type of rolling stock to reduce friction in the nip is. Seen in the width direction of the rolled strip, the invention enables a uniform application of the lubricant. This reduces the risk that in the nip in the width direction different friction conditions
- the desired final thickness of the metal is comparatively low and it can easily lead to a local breakage of the lubricating film.
- a good surface quality of the metal strip is sought, which requires adequate lubrication in the nip.
- Another advantage is the fact that the lubricant is used in pure form, that is not in the form of an emulsion, so that an emulsifier in the lubricant is not required. This results in the advantage that the oil is relatively easy from
- Coolant e.g. Water
- Coolant e.g. Water
- Circulation can be performed.
- Cross sections can overlap in the edge area. In this way, viewed over the width of the rolled strip, a fan-shaped overall spray can be generated, with which the lubricant homogeneous and targeted in the nip
- spray nozzles which have at least two outlet openings. Depending on the shape of these at least two
- Outlets can be very well a uniform surface concentration of the lubricant during the order
- nozzles that are spherical have curved mouthpiece. On this curved
- Mouthpiece are two with respect to an axis of symmetry
- a spray can be formed with a comparatively small number of nozzles, which applies the lubricant evenly.
- the cross section of these sprays
- the spray is formed from a juxtaposition of individual spray jets, each of these spray jets in its
- Seen width direction is approximately parallel to the axis of the two work rolls.
- a carrier medium for the lubricant droplets can be used in a simple embodiment of the process air.
- Figure 1 is a schematic vertical section through a
- Roll stand the arrangement of the invention Apparatus for introducing a lubricant into the roll gap
- Figure 2 shows a spray bar with lined up
- Figure 3 is a sectional view of a
- Atomizing device including spray nozzle
- Figure 4 shows an embodiment of the mouthpiece of a spray nozzle in a spatial and in a sectional view
- Figure 5 is a detailed view of the rolling gap lubrication in a comparative representation between lubrication with emulsion and lubrication with rolling oil.
- FIG. 1 shows in a highly simplified representation a vertical section through a rolling stand.
- the rolling stand consists essentially of the two work rolls 2 'and 2' ', and the respective support rollers 3' and 3 ''. in the
- Rolling gap 8 is between the two work rolls 2 'and 2' 'a rolled strip 28 in the direction indicated by the arrow from left to right passed.
- the device 1 according to the invention is sketched in each case on the upper side and the underside of the rolled strip 28, which sprays an atomised rolling oil in the direction of the roll gap 8. The atomization of the rolling oil takes place in one
- Atomizing device 4 which is supplied via lines 6 and 7 rolling oil or air. As will be explained in more detail below, in the atomizing device 4 is a mixture of air and
- Spray nozzles 5 is applied as a spray. This spray is deposited on the surface 21 of the work rolls 2 'and 2' 'and / or on the surface 23 of the rolled strip 28, whereby the desired reduction of the
- Friction conditions in the nip 8 is effected.
- rolling oil is collected together with the coolant and recycled by means of a conveying and reprocessing plant.
- Each spray nozzle 5 is in each case via a first line 6 rolling oil and via a second line 7 air
- Each spray nozzle 5 generates a spray jet 9, which is formed flat in cross section 15 seen.
- FIG. 3 shows a sectional drawing of FIG
- Atomizing device 4 As already stated, this atomizing device 4 in each case via a connecting line 6 rolling oil and via another connecting line 7 air
- Apertures can be adjusted in a wide range. These orifices in the inlet of air and oil are in the
- Atomizer 4 interchangeable. That's it possible to produce a suitable mixture of air and liquid particles as required.
- This mixture is fed via a short connector of a spray nozzle 5.
- the spray nozzle 5 is spherically curved in the region of an orifice 18. In the area of the spherical curvature 12, two outlet openings 10 are formed. Each of these
- Outlet openings 10 is formed by a slot in the region of the mouth 18.
- the preparation of this slot in the spherical curvature 10 can be easily done by a cut with a saw blade.
- FIG. 4 shows two views of the mouthpiece 18: in the upper illustration, the mouthpiece 18 is in one
- the mouthpiece 18 is convexly curved outwards.
- the curvature 12 is a circular arc.
- a corresponding curvature is also formed on the inner wall of the mouthpiece 18. At the zenith of curvature 12 are two through cuts
- the planes of the incisions 10 are at an angle 30 to each other.
- the slot width 14 of these cuts is advantageously between about 0.6 to 0.7 mm.
- a spray 9 is formed, which has a flat cross-sectional area and a substantially homogeneous
- Distribution of the lubricant concentration has.
- Figure 5 illustrates in a highly simplified representation of the lubrication in the nip, the upper diagram shows the lubrication with emulsion according to the state of Technique, the lower illustration, the invention
- Cost advantage Another advantage results from the greatly reduced friction in the nip, whereby the rolling forces and rolling moments for the rolling process can be reduced. Especially during cold rolling, a very good surface quality of the rolled strip can be achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013132745/02A RU2570257C2 (ru) | 2010-12-16 | 2011-09-02 | Способ и устройство для нанесения смазочного средства при прокатке металлического материала |
EP11749856.8A EP2651577B1 (de) | 2010-12-16 | 2011-09-02 | Verfahren und vorrichtung zum aufbringen eines schmiermittels beim walzen eines metallischen walzgutes |
CN201180060262.1A CN103249504B (zh) | 2010-12-16 | 2011-09-02 | 用于在辊压金属轧辊物料时涂覆润滑剂的方法和装置 |
US13/995,028 US9314827B2 (en) | 2010-12-16 | 2011-09-02 | Method and apparatus for applying a lubricant while rolling metallic rolled stock |
KR1020137018514A KR101807527B1 (ko) | 2010-12-16 | 2011-09-02 | 금속 압연재를 압연하는 동안 윤활제를 도포하는 방법 및 장치 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP10195330A EP2465619A1 (de) | 2010-12-16 | 2010-12-16 | Verfahren und Vorrichtung zum Aufbringen eines Schmiermittels beim Walzen eines metallischen Walzgutes |
EP10195330.5 | 2010-12-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012079785A1 true WO2012079785A1 (de) | 2012-06-21 |
Family
ID=44025288
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/065165 WO2012079785A1 (de) | 2010-12-16 | 2011-09-02 | Verfahren und vorrichtung zum aufbringen eines schmiermittels beim walzen eines metallischen walzgutes |
Country Status (6)
Country | Link |
---|---|
US (1) | US9314827B2 (de) |
EP (2) | EP2465619A1 (de) |
KR (1) | KR101807527B1 (de) |
CN (1) | CN103249504B (de) |
RU (1) | RU2570257C2 (de) |
WO (1) | WO2012079785A1 (de) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9314827B2 (en) | 2010-12-16 | 2016-04-19 | Siemens Vai Metals Technologies Gmbh | Method and apparatus for applying a lubricant while rolling metallic rolled stock |
US20160325327A1 (en) * | 2014-01-08 | 2016-11-10 | Primetals Technologies Austria Gnbh | Lubrication using spray nozzles having multiple oil inlet openings |
EP3461566A1 (de) | 2017-10-02 | 2019-04-03 | Primetals Technologies Austria GmbH | Walzen eines walzguts |
CN112453062A (zh) * | 2020-12-29 | 2021-03-09 | 浙江传播者金属装饰材料有限公司 | 一种轧机打滑补油装置及其使用方法 |
CN112692073A (zh) * | 2020-12-27 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | 一种防轧机打滑装置及其使用方法 |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008050392A1 (de) * | 2008-06-18 | 2009-12-24 | Sms Siemag Aktiengesellschaft | Verfahren und Vorrichtung zum Schmieren von Walzen und eines Walzbandes eines Walzgerüsts |
CN102430596A (zh) * | 2010-09-29 | 2012-05-02 | 山东莱芜金石集团有限公司 | 表面清刷机 |
GB2511512B (en) * | 2013-03-05 | 2015-06-10 | Siemens Plc | Cooling device & method |
CN104942031B (zh) * | 2014-03-26 | 2017-05-31 | 宝山钢铁股份有限公司 | 一种冷轧轧制润滑剂供给方法 |
JP6350274B2 (ja) * | 2014-12-26 | 2018-07-04 | 新日鐵住金株式会社 | 冷間圧延機の潤滑油供給設備 |
CN104985009B (zh) * | 2015-07-31 | 2017-08-01 | 张正秀 | 一种金属板带冷轧用润滑设备、润滑方法及轧制油 |
CN105665177B (zh) * | 2016-03-22 | 2018-12-14 | 苏州吉岛电极科技有限公司 | 自动喷涂机 |
EP3238843A1 (de) | 2016-04-29 | 2017-11-01 | Primetals Technologies Austria GmbH | Verfahren zum walzen eines walzgutes |
EP3251762B1 (de) | 2016-06-02 | 2019-08-07 | Primetals Technologies Austria GmbH | Schmiervorrichtung zum aufbringen eines schmiermittels beim walzen eines walzgutes |
KR102357445B1 (ko) * | 2016-09-23 | 2022-01-28 | 타타 스틸 네덜란드 테크날러지 베.뷔. | 이동하는 강 스트립의 액체-보조 레이저 텍스쳐링을 위한 방법 및 장치 |
EP3308868B1 (de) * | 2016-10-17 | 2022-12-07 | Primetals Technologies Austria GmbH | Kühlung einer walze eines walzgerüsts |
EP3517228A1 (de) | 2018-01-29 | 2019-07-31 | Primetals Technologies Austria GmbH | Regeln eines walzprozesses |
EP3733317B1 (de) | 2019-04-30 | 2022-10-05 | Primetals Technologies Austria GmbH | Walzen eines walzguts |
EP3791971A1 (de) | 2019-09-10 | 2021-03-17 | Primetals Technologies Austria GmbH | Kaltwalzen eines walzguts in einer walzstrasse mit mehreren walzgerüsten |
Citations (2)
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US2960064A (en) * | 1957-04-18 | 1960-11-15 | Davy & United Eng Co Ltd | Nozzles |
DE102008050392A1 (de) * | 2008-06-18 | 2009-12-24 | Sms Siemag Aktiengesellschaft | Verfahren und Vorrichtung zum Schmieren von Walzen und eines Walzbandes eines Walzgerüsts |
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SU1227275A1 (ru) | 1984-07-04 | 1986-04-30 | Всесоюзный Научно-Исследовательский И Проектный Институт По Очистке Технологических Газов,Сточных Вод И Использованию Вторичных Энергоресурсов Предприятий Черной Металлургии | Способ охлаждени прокатных валков в процессе прокатки |
SU1311798A1 (ru) | 1984-10-15 | 1987-05-23 | Институт черной металлургии | Валковый узел прокатной клети |
IL110797A (en) * | 1993-09-15 | 1997-09-30 | Electric Power Res Inst | Fluid atomizer |
DE10131369A1 (de) | 2001-06-28 | 2003-01-09 | Sms Demag Ag | Verfahren und Vorrichtung zum Kühlen und Schmieren von Walzen eines Walzgerüstes |
ITTV20050015A1 (it) * | 2005-01-31 | 2006-08-01 | Riversdale Invest Ltd | Struttura di ugello particolarmente per la atomizzazione di un liquido |
EP2200762B1 (de) | 2007-08-28 | 2014-08-06 | Air Products and Chemicals, Inc. | Verfahren und vorrichtung zum abführen eines nicht linearen kryogensprühnebels über die breite eines walzgerüsts |
BE1017806A3 (fr) | 2007-10-08 | 2009-07-07 | Ct Rech Metallurgiques Asbl | Installation et procede de lubrification par atomisation pour cylindres de laminage. |
RU81911U1 (ru) | 2008-09-01 | 2009-04-10 | Открытое акционерное общество "Западно-Сибирский металлургический комбинат" | Устройство для ускоренного охлаждения и гидротранспортирования шахтной стойки |
EP2465619A1 (de) | 2010-12-16 | 2012-06-20 | Siemens VAI Metals Technologies GmbH | Verfahren und Vorrichtung zum Aufbringen eines Schmiermittels beim Walzen eines metallischen Walzgutes |
-
2010
- 2010-12-16 EP EP10195330A patent/EP2465619A1/de not_active Withdrawn
-
2011
- 2011-09-02 KR KR1020137018514A patent/KR101807527B1/ko active IP Right Grant
- 2011-09-02 WO PCT/EP2011/065165 patent/WO2012079785A1/de active Application Filing
- 2011-09-02 US US13/995,028 patent/US9314827B2/en active Active
- 2011-09-02 RU RU2013132745/02A patent/RU2570257C2/ru active
- 2011-09-02 CN CN201180060262.1A patent/CN103249504B/zh active Active
- 2011-09-02 EP EP11749856.8A patent/EP2651577B1/de active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2960064A (en) * | 1957-04-18 | 1960-11-15 | Davy & United Eng Co Ltd | Nozzles |
DE102008050392A1 (de) * | 2008-06-18 | 2009-12-24 | Sms Siemag Aktiengesellschaft | Verfahren und Vorrichtung zum Schmieren von Walzen und eines Walzbandes eines Walzgerüsts |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9314827B2 (en) | 2010-12-16 | 2016-04-19 | Siemens Vai Metals Technologies Gmbh | Method and apparatus for applying a lubricant while rolling metallic rolled stock |
US20160325327A1 (en) * | 2014-01-08 | 2016-11-10 | Primetals Technologies Austria Gnbh | Lubrication using spray nozzles having multiple oil inlet openings |
US10780475B2 (en) * | 2014-01-08 | 2020-09-22 | Primetals Technologies Austria GmbH | Lubrication using spray nozzles having multiple oil inlet openings |
EP3461566A1 (de) | 2017-10-02 | 2019-04-03 | Primetals Technologies Austria GmbH | Walzen eines walzguts |
WO2019068382A1 (de) | 2017-10-02 | 2019-04-11 | Primetals Technologies Austria GmbH | Walzen eines walzguts |
RU2767127C2 (ru) * | 2017-10-02 | 2022-03-16 | Прайметалз Текнолоджиз Аустриа ГмбХ | Прокатка прокатного материала |
CN112692073A (zh) * | 2020-12-27 | 2021-04-23 | 浙江传播者金属装饰材料有限公司 | 一种防轧机打滑装置及其使用方法 |
CN112453062A (zh) * | 2020-12-29 | 2021-03-09 | 浙江传播者金属装饰材料有限公司 | 一种轧机打滑补油装置及其使用方法 |
CN112453062B (zh) * | 2020-12-29 | 2021-07-06 | 浙江传播者金属装饰材料有限公司 | 一种轧机打滑补油装置及其使用方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2465619A1 (de) | 2012-06-20 |
KR101807527B1 (ko) | 2017-12-11 |
RU2013132745A (ru) | 2015-01-27 |
US20130298627A1 (en) | 2013-11-14 |
US9314827B2 (en) | 2016-04-19 |
EP2651577B1 (de) | 2015-01-28 |
RU2570257C2 (ru) | 2015-12-10 |
CN103249504A (zh) | 2013-08-14 |
KR20130124354A (ko) | 2013-11-13 |
CN103249504B (zh) | 2015-05-06 |
EP2651577A1 (de) | 2013-10-23 |
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