CN1756608A - Caster roll - Google Patents

Caster roll Download PDF

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Publication number
CN1756608A
CN1756608A CN 200380110090 CN200380110090A CN1756608A CN 1756608 A CN1756608 A CN 1756608A CN 200380110090 CN200380110090 CN 200380110090 CN 200380110090 A CN200380110090 A CN 200380110090A CN 1756608 A CN1756608 A CN 1756608A
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China
Prior art keywords
roller
cooling duct
roll
metal coating
intake channel
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Granted
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CN 200380110090
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Chinese (zh)
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CN100335203C (en
Inventor
刘嘉骧
特迪·R·克里奇
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Howmet Aerospace Inc
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Alcoa Inc
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Abstract

The caster roll (10) is used in the manufacture of metal plate, strip, sheet, or foil. The caster roll (10) includes a cylindrical roll core (12) and at least one metal overlay (14) formed on the roll core (12). The at least one metal overlay (14) defines a plurality of cooling passages (34) for conducting a cooling medium through the at least one metal overlay (14) to cool the roll (10) during use. Additional metal overlays (16) may be formed on top of the at least one metal overlay. (14). The cooling passages (34) may also be formed in the roll core (12).

Description

Caster roll
Related application
The application requires to enjoy the rights and interests of the U.S. Provisional Patent Application of submitting on January 8th, 2,003 60/438,721 that is entitled as " caster roll and manufacture method ".
Technical field
The present invention relates to employed caster roll in the sheet material manufacturing, and the method for making caster roll.More specifically, the present invention relates to a kind of inside cooled caster rolls with material (such as the metal) layer on one or more roller core that is formed on described caster roll, and the method for making described caster roll.
Technical background
In the manufacturing of cast aluminium plate, cast aluminium band, cast aluminium sheet or cast aluminium paper tinsel (being referred to as " aluminum sheet " hereinafter), the conventional roll-type casting machine (roll castingmachines) that is used to make described aluminum sheet typically has two rollers and arranges.In the described pair of roller arranged, a pair of substantially parallel, water-cooled, the roller that changes is used to cast described aluminum sheet.Usually, after certain life cycle, because the fire check that the out-of-roundness (just, off-centre) that the slip between heat fatigue and/or described roller core and the roller shell (roll shell) causes produces, must grind and/or repair the surface or the roller shell of described " conticaster " roller once more.Owing to described roller shell becomes thinner because of grinding once more, thus must periodic replacement surround the described roller shell of described roller core, and must before joining roller again, repair described roller core.
As everyone knows, the main cause that causes the caster roll of prior art to destroy is the slip between described roller core and the described roller shell.Described roller core in the caster roll of prior art typically has the circumferential groove that forms on described roller core surface.Described slip typically occurs between the fluted surface and described roller shell of described roller core, and this causes forming the roller gap between described roller core and roller shell.This causes above-mentioned out-of-roundness (just, off-centre) problem, will finally cause described cast aluminium sheet material to produce deformity like this.Another problem relevant with existing caster roll comprises the crackle in the described roller shell that causes owing to thermal gradient, and follows the cooling fluid of generation to leak on the described roller shell, and this is a safety problem.In addition, cause described caster roll to produce distortion or crooked along the thermal gradient on described roller core surface and roller core usually with relative slip between roller shell, this also will cause producing deformity in casting aluminum sheet described in the production continuous productive process process.
Well known in the prior art a kind of method in the service life that is used to prolong described caster roll is disclosed in the United States Patent (USP) 5,598,633 of Hartz.In 5,598,633 patents of described Hartz, the surface coverage of described roller core has two-layer stainless steel coating, and each coating has a distinct hardness.Directly softer than the outside stainless steel coating of the described second layer with the contacted described stainless steel coating in described roller core surface.Hartz is equally at United States Patent (USP) 5,265, discloses a kind of and the similar method of said method in 332.5,265,332 patents of described Hartz attempt by at the inner surface of described roller shell coated with hard chrome, prolong the service life of described roller core.
In the field of sheet material conticaster, interior chill roll is well-known.For example, people's such as Hawes United States Patent (USP) 5,279,535 discloses a kind of interior cooled caster rolls that is used for the sheet material continuous casting, and described caster roll comprises the cooling fluid sprocket hole of a plurality of length longitudinal extensions along described caster roll.The ring-type manifold of a kind of end cap (end cap) form is fixed in the depression on each end face of described caster roll, and limits a plurality of discontinuous passages, and these passages make the openend fluid communication each other in hole of described longitudinal extension.Described end cap also limits a passage, and this passage is made into the cooling liquid inlet or the cooling liquid outlet passage fluid communication of the described openend that is used to make a hole and described caster roll.In disclosed International Application PCT/EP01/09818 (WO02/26425), the chill roll that similarly has the cooling bath of longitudinal extension is disclosed.
People's such as Miltzow United States Patent (USP) 5,209,283 discloses a kind of caster roll, comprises roller core and screw thread roller shell with many screw threads, and described screw thread roller shell is screwed on the described threaded roller core.Being threaded between described roller core and the roller shell defines helicla flute, and cooling medium flows through described helicla flute to cool off described caster roll.Similarly " threaded " roller core is disclosed in the United States Patent (USP) 5,292,298 of Scannell.
The United States Patent (USP) 4,944,342 of Lauener discloses a kind of caster roll that is used for the cast aluminium sheet material.Described caster roll comprises the roller shell that seals roller core.Cooling medium flows through the axial cooling bath on the outer surface that is limited to described roller core.Use convective principles in described caster roll, wherein, in described cooling bath, described cooling medium alternately flow to the other end from an end of described caster roll.
In addition, be the United States Patent (USP) 4,773,468 of Lauener equally, a kind of method that is used to prolong the service life of caster roll is disclosed.In the described caster roll of 4,773,468 patent disclosures of Lauener, many bars (rod) are disposed axially in a plurality of grooves that form in the roller core of described caster roll.Described many bars are outstanding from described roller core outward radial, and roller shell by shrink-fit to described many bars.Because use described roller in the production continuous productive process, described roller shell will produce wearing and tearing, and in case described wearing and tearing reached one predetermined than hanging down limit, need to change described bar so, and with new roller shell shrink-fit to described many bars.In the field of interior cooled caster rolls other is with reference to the United States Patent (USP) 5,887,644 that comprises people such as Akiyoshi; And the patent 2,850,776 of Hunter; 2,790,216 and 2,664,607.Above-mentioned each coherent reference open all is fused in the disclosure as a reference.
Above-mentioned reference disclose multiple prior art be used to make, interior cooling and the layout and the method that prolong the service life of described caster roll substantially.But, still have needs to the interior cooled caster rolls of low-cost and roller shell replacement cycle of prolonging.In addition, have the needs to roller shell replacing method, the general reduction with roller shell of described method changed relevant cost, and this is the required main capital expenditure in service life that prolongs described caster roll.
Summary of the invention
The present invention is a kind of sheet metal, band, sheet material of being used for, the caster roll during perhaps foil is made.In one embodiment, described caster roll comprises cylindrical roll core and the metal coating that forms of one deck at least on described roller core.Described roller core has longitudinal center's axis, and limits a plurality of being used for and pass the cooling duct of described roller core with the longitudinal extension that cools off described roller in roller use guided.Described cooling duct can be disposed in the near surface near described roller core, and can arrange at interval equably about the described central longitudinal axis of described roller core.Described roller core can comprise a cylindrical roll body and two outward extending axles.The described metal coating of one deck at least can be formed on the described body of roll.Described cooling duct can be extended along the entire length of the described body of roll substantially, and can arrange at interval equably about the central axis of the described body of roll.
Described roller core can comprise the intake channel of at least one center arrangement, and a plurality ofly extends to being used for described cooling medium from the passage that radially extend of described at least one intake channel guiding to described cooling duct of described cooling duct from described at least one intake channel.The central longitudinal axis that described at least one intake channel can be basically parallel to described roller core extends, and described radial passage can be basically perpendicular to described at least one intake channel extension.As selection, each of described radial passage can limit an acute angle with described central longitudinal axis.
Described roller core can also comprise the intake channel of at least one center arrangement and the exit passageway of a center arrangement, and first group and second group of a plurality of passage that radially extends.Described first group is radially extended passage and can extend to described cooling duct from described at least one intake channel, be used for described cooling medium guiding to described cooling duct, and described second group is radially extended passage and can extend to described at least one exit passageway from described cooling duct, is used for described cooling medium from the guiding of described cooling duct to described at least one exit passageway.The central longitudinal axis that described at least one intake channel and at least one exit passageway can be basically parallel to described roller core extends, and described first group and second group of radial passage can be basically perpendicular to described at least one intake channel and at least one exit passageway extends.As selection, each can limit an acute angle with described central longitudinal axis described first group and second group of radial passage.
Described at least one intake channel and at least one exit passageway can extend through the described body of roll from wherein axle of described roller core, and pass second axle at least in part.Described cooling duct can be extended along the whole length of the described body of roll, and end cap can be connected respectively to the relative end of the described body of roll, is used to seal the end of described cooling duct.
In another embodiment, described roller generally comprises cylindrical roll core, the metal coating that described roller core has central longitudinal axis and forms on described roller core.Described metal coating limits a plurality of cooling ducts, is used for conducting cooling medium to cool off described roller in the roller use by described metal coating.The central longitudinal axis that described cooling duct can be basically parallel to described roller core extends, and in described metal coating longitudinal extension, preferably extend along the entire length of described metal coating basically.Described cooling duct can be arranged uniformly at interval about the central longitudinal axis of described roller core.
Described roller core can comprise a cylindrical roll body and two outward extending axles, and can form described metal coating on the described body of roll.Described cooling duct can basic whole length along the described body of roll be extended in described metal coating.End cap can be connected with the opposite end of the described body of roll respectively, is used for the end of the described cooling duct of closed described metal coating.
In another embodiment, described roller generally comprises the cylindrical roll core with central longitudinal axis, the ground floor metal coating that forms on described roller core, and the additional metal coating that forms on described ground floor metal coating of one deck at least.Described ground floor metal coating preferably limits a plurality of cooling ducts, is used in the roller use by described ground floor metal coating guided with chill roll.Preferably, described ground floor metal coating has the lower hardness of hardness than the described additional metal of one deck at least coating.The central longitudinal axis that described cooling duct can be basically parallel to described roller core extends, and extends along the whole length of described ground floor metal coating substantially.Described cooling duct can be arranged equably at interval about the central longitudinal axis of described roller core.
Described roller can comprise a cylindrical roll body and two outward extending axles.Can on the described body of roll, form described ground floor metal coating and the described additional metal of one deck at least coating.Described cooling duct can be extended along the whole length of the described body of roll substantially, and can arrange at interval equably about the central longitudinal axis of described roller core.End cap can be connected with the opposite end of the described body of roll respectively, is used for the end of the described cooling duct of closed described ground floor metal coating.
Described ground floor metal coating and the described additional metal of one deck at least coating can be made separately less than about 6 inches thickness, preferably, and between about 0.010 inch to 6 inches.Described ground floor metal coating can be a heat-transfer metal, such as copper, bronze, steel or the like.The described additional metal of one deck at least coating can be a metal alloy, such as Ni-based, cobalt-based, copper base or titanium-base alloy.The described additional metal of one deck at least coating can also be a steel.The additional coating of described one deck at least can be the single metal coating that forms on described ground floor metal coating, and can comprise any in the above-mentioned metal.
The present invention is that a kind of manufacturing is used for sheet metal, band, sheet material equally, perhaps the manufacture method of the roller of foil manufacturing.Described method generally comprises several steps: setting has the cylindrical roll core of central longitudinal axis; In described roller core, form the cooling duct of a plurality of longitudinal extensions, be used in roller use guided by described roller core to cool off described roller near the surface of described roller core; And on described roller core, form layer of metal coating at least.Can on described roller core, form the described metal coating of one deck at least by any technology in following technology or the similar technology: submerged-arc welding, spray formation (spray forming), thermal spraying, high temperature insostatic pressing (HIP), solid state diffusion (pack diffusion), vapour deposition, and metallide.
Described cooling duct can be made about the central longitudinal axis of described roller core and arrange at interval equably.The step that forms described longitudinal extension cooling duct can be included in the hole that gets out the central longitudinal axis extension that is basically parallel to described roller core in the described roller core.Described roller core can have the body of roll.The step that forms described longitudinal extension cooling duct can be included in and get out central longitudinal axis that is basically parallel to described roller core and the hole of extending along the entire length of the described body of roll in the described body of roll.The additional step that described method can comprise is: described end cap is connected to the opposite end of the described body of roll, is used for the end of closed described cooling duct.Described method also is included in and forms after the described metal coating of one deck at least on the described roller core, particularly when the described metal coating of one deck at least comprises steel, with about 1 to the 48 hour step of the heat treatment of described roller between about 400 to 1500.
Described roller core can limit at least one center arrangement and intake channel longitudinal extension.Described method also comprises the following steps: to form a plurality of passages that radially extend in described roller core, is used for described cooling duct is connected to described at least one exit passageway; And before forming the described metal coating of one deck at least on the described roller core, stop up the radial passage on described roller core surface.In described roller core, form described step of radially extending the cooling duct and can be included in the hole that gets out the central longitudinal axis extension that is basically perpendicular to described roller core in the described roller core, be used for described cooling duct is connected to described at least one intake channel.As selection, in described roller core, form described step of radially extending the cooling duct and can be included in the described roller core central longitudinal axis with respect to described roller core and acutangulate and hole, be used for described cooling duct is connected to described at least one exit passageway.
Described roller core can also limit the exit passageway of at least one center arrangement and longitudinal extension.Described method can also comprise the following steps: to form a plurality of passages that radially extend in described roller core, is used for described cooling duct is connected to described at least one intake channel and described at least one exit passageway; And before forming the step of the described metal coating of one deck at least on the described roller core, stop up the radial passage on described roller core surface.Can in described roller core, get out the described cooling duct of radially extending, thereby the central longitudinal axis that is basically perpendicular to described roller core extends or acutangulate extension with respect to the central longitudinal axis of described roller core, is used for described cooling duct is connected to described at least one intake channel and at least one exit passageway.
In another embodiment, the manufacture method of described roller generally comprises the following step: setting has the cylindrical roll core of central longitudinal axis; On described roller core, form metal coating; And the cooling duct that in described metal coating, forms a plurality of longitudinal extensions, be used in roller use guided by described metal coating to cool off described roller.Can on described roller core, form described metal coating by aforementioned any technology.
Can in described metal coating, form described cooling duct, and arrange at interval equably about the central longitudinal axis of described roller core.The step that forms described longitudinal extension cooling duct can be included in the hole that gets out the central longitudinal axis extension that is basically parallel to described roller core in the metal coating.Can be in described metal coating with described hole drill, and extend along the whole length of the described body of roll substantially.End cap can be connected to the opposite end of the described body of roll, be used for the end of the described cooling duct of closed described metal coating.On described roller core, form after the described metal coating, particularly when described metal coating comprises steel, can be with about 1 to 48 hour of the heat treatment of described roller between about 400 to 1500.
Described roller core can limit the intake channel of at least one center arrangement and longitudinal extension.Described method can also comprise the following steps: to form a plurality of passages that radially extend in described metal coating and roller core, is used for described cooling duct is connected to described at least one intake channel; And stop up described radial passage on the surface of described metal coating.In described roller core, form described step of radially extending the cooling duct and can be included in described metal coating and roller core internal drilling, and the hole of being bored is basically perpendicular to the central longitudinal axis extension of described roller core or acutangulates extension with respect to described central longitudinal axis, is used for described cooling duct is connected to described at least one intake channel.
Described roller core can also limit the exit passageway of at least one center arrangement and longitudinal extension, and described method can also comprise the following steps: to form a plurality of passages that radially extend in described metal coating and roller core, is used for described cooling duct is connected to described at least one intake channel and described at least one exit passageway; And stop up described radial passage on the surface of described metal coating.
In another embodiment of the method for making roller according to the present invention, described method generally comprises the following step: setting has the cylindrical roll core of central longitudinal axis; On described roller core, form the ground floor metal coating; And the cooling duct that in described ground floor metal coating, forms a plurality of longitudinal extensions, be used in roller use guided by described ground floor metal coating to cool off described roller; And on described ground floor metal coating, form one deck additional metal coating at least.Can on described roller core, form described ground floor metal coating and the described additional metal of one deck at least coating by aforementioned any technology.Preferably in described ground floor metal coating, form described cooling duct, make described cooling duct arrange at interval equably about the central longitudinal axis of described roller core.The step that forms described longitudinal extension cooling duct can be included in and get out the central longitudinal axis elongated hole that is basically parallel to described roller core in the ground floor metal coating.End cap can be connected respectively to the opposite end of the described body of roll, be used for the end of the described cooling duct of closed described ground floor metal coating.On described ground floor metal coating, form after the described additional metal of one deck at least coating, particularly when described ground floor metal coating and/or the described additional metal of one deck at least coating comprise steel, can be with about 1 to 48 hour of the heat treatment of described roller between about 400 to 1500.
Described roller core can limit the intake channel of at least one center arrangement and longitudinal extension and the exit passageway of at least one center arrangement and longitudinal extension.Described method can also comprise the following steps: to form a plurality of passages that radially extend in described ground floor metal coating and roller core, is used for described cooling duct is connected to described at least one intake channel; And before forming the described additional metal of one deck at least step of cladding on the described ground floor metal coating, stop up described radial passage on the surface of described ground floor metal coating.In described roller core, form described step of radially extending the cooling duct and can be included in described ground floor metal coating and roller core internal drilling, the central longitudinal axis that the hole of being bored is basically perpendicular to described roller core extends or becomes an acute angle to extend with respect to the central longitudinal axis of described roller core, is used for described cooling duct is connected to described at least one intake channel.
Described method comprises the following steps: to form a plurality of exit passageways that radially extend equally in described ground floor metal coating and roller core, is used for described cooling duct is connected to described at least one intake channel and described at least one exit passageway; And before forming the described additional metal of one deck at least step of cladding on the described ground floor metal coating, stop up described radial passage on the surface of described ground floor metal coating.In described roller core, form described step of radially extending the cooling duct and can be included in described ground floor metal coating and roller core internal drilling, the central longitudinal axis that the hole of being bored is basically perpendicular to described roller core extends or becomes an acute angle to extend with respect to the central longitudinal axis of described roller core, is used for described cooling duct is connected to described at least one intake channel and at least one exit passageway.
In addition, described method of the present invention relates to the resurfacing (resurfacing) of existing roller, and described existing roller goes for sheet metal, band, sheet material, during perhaps foil is made.Described method of surface reconstruction generally comprises the following step: the existing roller that has central longitudinal axis and include the roller core of the working surface that defines groove is set; Remove described work on hand surface from described roller core, thereby form essentially smooth surface; On the described essentially smooth surface of described roller core, form the ground floor metal coating; In described ground floor metal coating, form the cooling duct of a plurality of longitudinal extensions; And on described ground floor metal coating, form one deck additional metal coating at least.
Described method of surface reconstruction also comprises described cooling duct is connected to step on the existing cooling pipe in the described roller core.Can on described roller core, form described ground floor metal coating and the described additional metal of one deck at least coating by aforementioned any technology.
Description of drawings
When reading in conjunction with described accompanying drawing, according to following detailed description, it is clearer that more details of the present invention and advantage will become, and in described accompanying drawing, all uses similar reference number that similar parts are marked all the time.
Fig. 1 is the perspective view according to a kind of caster roll of the present invention;
Fig. 2 is the front portion cutaway view of the described caster roll among Fig. 1, shows hidden line;
Fig. 3 is the cutaway view of the described caster roll of the line 3-3 in Fig. 2;
Fig. 4 is the cutaway view of the described caster roll of the line 4-4 in Fig. 2, for the purpose of clear the demonstration, omits the diagonal line hatches part;
Fig. 5 is the front portion cutaway view of caster roll described in Fig. 1, and showing on the described roller core does not have metal coating, and shows hidden line;
Fig. 6 is the cutaway view of the described caster roll of the line 6-6 in Fig. 5;
Fig. 7 is the end-view of the described caster roll among Fig. 5;
Fig. 8 is the cutaway view of the described caster roll of the line 8-8 in Fig. 5;
Fig. 9 is the cutaway view of the described caster roll of the line 9-9 in Fig. 5;
Figure 10 is the cutaway view of the described caster roll of the line 10-10 in Fig. 5;
Figure 11 is the front portion cutaway view of caster roll described in Fig. 1, shows to have the ground floor metal coating on the described roller core, and shows hidden line;
Figure 12 is the cutaway view of the described caster roll of the line 12-12 in Figure 11, for the purpose of clear the demonstration, omits the diagonal line hatches part;
Figure 13 is the cutaway view of the described caster roll of the line 13-13 in Figure 11, for the purpose of clear the demonstration, omits the diagonal line hatches part;
Figure 14 is the end-view that is shown as the end cap that is connected with described caster roll among Fig. 2;
Figure 15 is the cutaway view of the described end cap of the line 15-15 in Figure 14; With
Figure 16 is the front portion cutaway view of another embodiment of the described caster roll among Fig. 1.
The specific embodiment
With reference to figure 1-10, show according to caster roll 10 of the present invention.Described caster roll 10 generally comprises the metal coating that roller core 12 and one deck or multilayer form on described roller core 12.As shown in each accompanying drawing, described roller core 12 is preferably solid, but also can be hollow (annular just).In the embodiment of the described caster roll 10 shown in Fig. 1-10, on described roller core 12, form the double layer of metal coating.Run through this paper openly all the time, described double layer of metal coating is used reference number " 14 " and " 16 " to indicate respectively independently.Correspondingly, to described caster roll 10 be described according to the double layer of metal coating hereinafter, described double layer of metal coating comprises the ground floor metal coating 14 that directly forms on described roller core 12, and the second layer metal coating 16 that forms at the top of described ground floor metal coating 14.But, only comprise the metal coating of one deck on described roller core 12 at other embodiment described in the disclosure.In addition, the present invention will be included in and use three layers or more multi-layered metal coating on the described roller core 12.
Described roller core 12 has the structure of substantial cylindrical, and comprises a columniform core or the body of roll 18 and two outward extending axles 20,22.As mentioned below, form described ground floor and second layer metal coating 14,16 at the top of the described body of roll 18.The described body of roll 18 forms the part of described caster roll 10, when described caster roll 10 is used for sheet material conticaster (not shown), and this part contact or ingot metal.Described caster roll 10 can be used for the metal of solid, semisolid or liquid form.Wherein axle of described axle 20,22 preferably is set to drive by described casting machine.Each root of axle 20,22 can be set to " drive end " axle of described caster roll 10.For the ease of explaining the present invention, axis 20 will be called as " drive end axle 20 " or " first axle 20 " hereinafter.Another root axle 22 is set to allow cooling medium to enter described roller core 12, and discharges described cooling medium in the mode hereinafter, and axle 22 will be called as " colling end axle 22 " or " second axle 22 ".The cooling medium that preferably is used for described caster roll 10 is a water.Can use other cooling medium outside dewatering in described caster roll 10, such as oil or ethylene glycol, yet water is preferred.Described cooling medium can be cooling medium and adding to is used to prevent the chemical addition agent that corrodes in the described cooling medium a mixture.Described roller core 12 can be made by 4340 steel (mild steel just) and the metal and the material that are equal to substantially.Described hereinafter cooling medium is called as cooling water, but can use above-mentioned any cooling medium (mixture) to replace following in question " cooling water ".
Described roller core 12 limits the passage 24 that one or more passes the center arrangement of described roller core 12 extensions substantially.Described central passage 24 can also be extended along the whole length of described roller core 12.In the described caster roll 10 shown in Fig. 1-10, described roller core 12 limits the passage 24 of four center arrangement and longitudinal extension, is used to transport water and flows through described roller core 12.Can use more or central passage still less 24 in the roller core 12 according to the present invention, but will be in the disclosure according to four described caster rolls 10 of exemplary central passage 24 explanations.According to the present invention, at least one import or supply center's passage 24 and one outlet or backflow central passage 24, these two mutual fluids of passage are negotiable, just enough are used for chilled(cooling) water supply (CWS) to described roller core 12 and the described cooling water of discharging.
As noted, described central passage 24 is provided with import (just, supply) and outlet (just, backflow) pipeline, is used for water ballast is fed into and discharges described roller core 12.Especially, described central passage 24 generally is divided into two cooling water inlet passages 26 and two coolant outlet passages 28.Described import and exit passageway 26,28th are interconnected, and form two independently cooling water streams in described roller core 12 respectively, in order to clearly demonstrate, indicate described stream at this with additional reference letter " a " and " b ".Correspondingly, in described roller core 12, one of them intake channel 26a is connected to one of them exit passageway 28a and goes up forming first stream, and second intake channel 26b is connected to second exit passageway 28b to form second stream.The described cooling water " stream " that will illustrate hereinafter is an exemplary arrangement, be used to cool off described caster roll 10 of the present invention and roller core 12, and can replace by the fluid flow arrangement that is equal to arbitrarily, such replacement is all within those skilled in the art's the skill.
Described intake channel 26a, 26b and exit passageway 28a, the opening of 28b are set on described colling end axle or second axle 22.Described intake channel 26a, 26b and exit passageway 28a, 28b preferably extend through the described body of roll 18 and partly pass described drive end axle 20 extensions from described colling end axle 22.Preferably, in described drive end axle 20 and described colling end axle 22, described intake channel 26a, 26b and exit passageway 28a, 28b all is connected to together.As what select, in one of described drive end axle 20 or described colling end axle 22, described intake channel 26a, 26b and exit passageway 28a, 28b can be connected to together.As this paper further instruction, described intake channel 26a, 26b is transported to cooling water the described drive end axle 20 by the described body of roll 18 from described colling end axle 22, and described then exit passageway 28a, and the water that 28b will be heated is back in the described colling end axle 22.
The body of roll 18 of described roller core 12 also limits a plurality of from described intake channel 26a, and 26b and exit passageway 28a, 28b extend outwardly into the radially extension passage 30 on the surface 31 of the described body of roll 18.As said, described radially to extend passage 30 general negotiable with the interchannel fluids that form in described ground floor metal coating 14.Described intake channel 26a, each passage of 26b preferably is connected on four radial passages 30, and described exit passageway 28a, and each passage of 28b preferably is connected on four radial passages 30.Yet, can with more or radial passage 30 still less be connected to described intake channel 26a, 26b and exit passageway 28a are on the 28b.For being connected to described intake channel 26a, four radial passages 30 on the 26b and be connected to described exit passageway 28a, the selection of four radial passages 30 on the 28b will be provided as an example of the described caster roll 10 of explanation.At least, described intake channel 26a, 26b and exit passageway 28a, each passage of 28b only needs a radial passage 30.In a preferred embodiment, as mentioned below, after described ground floor metal coating 14 is applied on the described body of roll 18, in the described body of roll 18, form described radial passage 30.As selection, can before forming described ground floor metal coating 16, in the described body of roll 18, form described radial passage 30.
As hereinafter further discussing, described radial passage 30 preferably is symmetrically distributed around the circumference of the described body of roll 18, and with can with the vertical passage fluid flow that in described ground floor metal coating 14, forms.The described radial passage 30 that limits in the described body of roll 18 of described roller core 12 is set to cooling water is sent in described " vertical passage ", and then the water that is heated is back in the described central passage 24.Usually, by intake channel 26a, 26b outwards transmits cooling water by described radial passage 30 in the described body of roll 18.By described radial passage 30 water that is heated is back to described exit passageway 28a, among the 28b.Then, described exit passageway 28a, 28b derives described roller core 12 with the water that is heated.Described radial passage 30 preferably is set at the two ends (just, near the end of the described body of roll 18) of the described body of roll 18, but also can only be arranged on an end of the described body of roll 18.
Described intake channel 26a, 26b is sent to cooling water in the described roller core 12, and for this reason, described intake channel 26a, 26b preferably with the external water source (not shown) of cooling water such as evaporative cooling system (cooling tower just) but fluid flow.Described exit passageway 28a, 28b is back to the water that is heated in described cooling water source or other device.Described radial passage 30 makes that cooling water can be from described intake channel 26a, and 26b is transported to described ground floor metal coating 14, and is back to described exit passageway 28a, 28b.
With reference to figure 1-13, described surperficial 31 of the described body of roll 18 does not preferably have groove, and generally groove is common in the caster roll of prior art.Described ground floor metal coating 14 is formed on the top on the described smooth relatively surface 31 (just, not having groove) of the described body of roll 18.Described second layer metal coating 16 is formed on the top on the surface 32 of described ground floor metal coating 14.Preferably, by metal deposition process, such as: submerged-arc welding, spray formation, thermal spraying, high temperature insostatic pressing (HIP), solid state diffusion, vapour deposition, metallide or the like forms described ground floor and second layer metal coating 14,16 on the described body of roll 18.
Caster roll 10 according to the present invention be provided with a plurality of in described caster roll 10 longitudinal extension and be used for closed cooling medium pipeline or passage 34 at the described caster roll 10 of roller 10 uses coolings.In this preferred embodiment of described caster roll 10, in described ground floor metal coating 14, form described cooling duct 34.In another embodiment of described caster roll 10, in described roller core 12, form described cooling duct 34.Preferably, on described roller core 12, form described ground floor metal coating 14, and in described ground floor metal coating 14, form (just, by vertical boring) after the described cooling duct 34, by in described roller core 12, forming (just, boring) described radial passage 30, make described cooling duct 34 and described intake channel 26a, 26b and exit passageway 28a, the 28b fluid flow.The subsequent embodiment that described caster roll 10 will be discussed in the disclosure, wherein, described cooling duct 34 is set in the described ground floor metal coating 14.Subsequent again in the disclosure, will get in touch the embodiment that Figure 16 discusses described caster roll 10, wherein, described cooling duct 34 is set in the described roller core 12.Described caster roll 10 shown in Figure 16 is made according to a kind of formation method of the described caster roll 10 shown in Fig. 2 that for example is similar to, wherein, by in the described body of roll 18, getting out the hole of longitudinal extension, at first form described cooling duct 34, and get out described radial passage 30 then, be used for described cooling duct 34 is connected to described intake channel 26a, 26b and exit passageway 28a are on the 28b.
The central longitudinal axis L that described cooling duct 34 preferably is basically parallel to described roller core 12 extends, and extends from described central longitudinal axis L outward radial.Preferably also extend along the whole length of the described ground floor metal coating 14 and the described body of roll 18 described cooling duct 34, and arrange at interval equably around the circumference of the described body of roll 18.As mentioned before, can form described cooling duct 34 by boring vertical hole along the whole length of described ground floor metal coating 14.In addition, as mentioned before, can in described ground floor metal coating and roller core 12, form described radial passage 30 by radial bore, thereby described cooling duct 34 is connected to described central passage 24 (just, described intake channel 26a, 26b and exit passageway 28a, 28b) on.In fact, only require described cooling duct 34 to extend along the distance between 30 openings of described radial passage substantially, thereby described cooling duct 34 is connected to described intake channel 26a, 26b and exit passageway 28a are on the 28b.Therefore, needn't only limit to described cooling duct 34 extends on the whole length of described ground floor metal coating 14.
Described ground floor metal coating 14 is preferably made by metal with good heat-conductive characteristic or metal alloy, such as copper, and bronze, steel, stainless steel or the like.Described second layer metal coating 16 preferably can be resisted the metal that heat fatigue is broken and worn and torn.The metal that is fit to that is used for described second layer metal coating 16 will have the hardness range of a HRC between 30 to 66 scope, and preferably HRC is between 55 to 60.The metal example tabulation that is used for described second layer metal coating 16 comprises: steel and Ni-based, cobalt-based, copper base and titanium-base alloy.
Described cooling duct 34 preferably is made into makes each phase adjacency pair cooling duct 34 interconnect in one of them end of the described body of roll 18 of described roller core 12.Like this, each phase adjacency pair cooling duct 34 forms cooling channels or the pipeline that comprises " import " or " supply " cooling duct 34 and " outlet " or " backflow " passage 34, described import cooling duct 34 is connected to and is connected to described intake channel 26a successively, on the radial passage 30 on one of them passage of 26b, described outlet cooling duct 34 is connected to and is connected to described exit passageway 28a successively, on the radial passage 30 of one of them passage of 28b.Correspondingly, described cooling duct 34, radial passage 30, and import and exit passageway 26,28 all is fluid communication, and in described caster roll 10, limit inner cooling medium running system, described system with cooling water from external source, by described intake channel 26a, 26b is assigned to the inside of the described roller core 12 and the body of roll 18, in the described body of roll 18, outwards carry then, and finally be transported to the inside of described ground floor metal coating 14 by described cooling duct 34 by described radial passage 30.To understand as those skilled in the art, by above-mentioned running system, a kind of similar return flow line that arrives described external refrigeration water source can be set equally.Described cooling duct 34 does not require it is interconnective, and can be set to each independent cooling duct 34.
As mentioned before, one deck additional metal coating can be formed,, and multiple layer metal coating or coating may be formed such as described second layer metal coating 16 at the top of described ground floor metal coating 14.Preferably by aforementioned any metal deposition process or technology described ground floor metal coating 14 described surperficial 32 on form described second layer metal coating 16.For example, described second layer metal coating 16 can be set to a kind of thin, hard metal coating, such as tungsten, carbide, perhaps chromium, by gas phase deposition technology, metallide technology (just, being used for chromium), perhaps any aforementioned techniques, with described coating be applied to described ground floor metal coating 14 described surperficial 32 on.
End cap 36 (equally shown in Figure 14 and 15) all is set at the opposite end 38 of the described body of roll 18 of described roller core 12,40 (just, be respectively first and second end 38,40) on, be used to seal the openend of described cooling duct 34, and the words that are necessary interconnect described " import " or " outlet " cooling duct 34.Described end cap 36 all is annular (as shown in Figure 14), be used to be installed in described each axle 20, on 22, and O shape circle (not shown) that can be by routine and machanical fastener 42 are sealably coupled to described first and second end 38,40 of the described body of roll 18.The described openend of described end cap 36 closed described cooling ducts 34, thereby closed described cooling medium running system.
Continue a kind of manufacture method of described caster roll 10 to be discussed now, wherein, described cooling duct 34 is set in described ground floor metal coating 14 with reference to figure 1-13.As indicated above, described surperficial 31 of the described body of roll 18 preferably is set to not have exterior channels, and preferably have rough surface, be adapted to pass through above-mentioned any technology with described ground floor metal coating 14 deposit to the described body of roll 18 described surperficial 31 on.Fig. 5 be presented at the described body of roll 18 described surperficial 31 on form the described roller core 12 and the body of roll 18 before (deposition just) described ground floor metal coating 14.It should be noted that and also in described roller core 12, do not form described radial passage 30.Figure 11 be presented at the described body of roll 18 described surperficial 31 on the deposition or apply after the ground floor metal coating 14, and in described roller core 12, form described radial passage 30 so that described cooling duct 34 is connected to described central passage (just, intake channel 26a, 26b and exit passageway 28a, 28b) described ground floor metal coating 14 afterwards.
In case the described body of roll 18 described surperficial 31 on form described ground floor metal coating 14, so just can in described ground floor metal coating 14, form described cooling duct 34.Can finish this step by the hole of boring longitudinal extension in described ground floor metal coating 14, the hole of these longitudinal extensions forms described cooling duct 34.Preferably form described cooling duct 34 with uniform annular space around the described body of roll 18.Described cooling duct 34 is arranged to described central passage 24 (just, import and exit passageway 26,28) and described central longitudinal axis L outward radial and separates.
In case in described ground floor metal coating 14, form described longitudinal extension cooling duct 34, so just can in described roller core 12, form described cooling duct 34, be used for described cooling duct 34 be arranged as with described roller core 12 in described central passage 24 (just, import and exit passageway 26,28) fluid communication.Default annular location by the requirement in described ground floor metal coating 14 and roller core 12 is carried out radial bore, will form described cooling duct 34, and described radial passage 30 will be in these positions be disposed in described roller core 12.Described bore process forms radial hole 44 in described ground floor metal coating 14, before forming described second layer metal coating 16 on the described ground floor metal coating 14, must stop up described radial hole 44.Shown in Fig. 2 and 11,, stop up described radial hole 44 by a plurality of stoppers 46.Described stopper 46 is preferably by making with the metal of described ground floor metal coating 14 same types.
As indicated above, any amount of longitudinal extension cooling duct 34 can be set in described ground floor metal coating 14, described cooling duct 34 can be set to and any amount of radial passage 30 fluid communication that form in described roller core 12.Described cooling duct 34 is used for guide cooling water and passes described ground floor metal coating 14, preferably pass the whole length of described ground floor metal coating 14, and the water that is heated is back to and described exit passageway 28a, in the described radial passage 30 of 28b fluid communication.
In case in the body of roll 18 of described ground floor metal coating 14 and described roller core 12, form described longitudinal extension cooling duct 34 and radial passage 30, so preferably directly form described second layer metal coating 16 at the top of described ground floor metal coating 14.Can apply described second layer metal coating 16 by any above-mentioned metal deposition or forming technology.Described second layer metal coating 16 is preferably made by any above-mentioned hard metal.Described second layer metal coating 16 will generally have the hardness that is higher than described ground floor metal coating 14 hardness.Preferably, described ground floor and second layer metal coating 14,16 each coating all have about 0.010 inch to 6 inches thickness.Described second layer metal coating 16 general " working surfaces " that form described caster roll 10.
In case form described second layer metal coating 16 on described ground floor metal coating 14, so described caster roll 10 will be subjected to further processing.For example, described caster roll 10 can be in the temperature between about 400 to about 1500 by about 1 to 48 hour of heat treatment, be used at described ground floor and second layer metal coating 14, in 16, particularly when described ground floor and second layer metal coating 14,16 when being made of steel, produces a HRC and be approximately hardness in 30 to 66 the scope, as indicated above.In addition, the surface 50 of described second layer metal coating 16 (just, the preferred working surface of described caster roll 10) can be roughened, make that described surperficial 50 of described second layer metal coating 16 have the surface roughness that is suitable for making commodity aluminium sheet, aluminium strip, aluminium flake or aluminium foil.Described stopper 46 preferably flushes with described surperficial 32 of described ground floor metal coating 14, perhaps before forming described second layer metal coating 16 on the described ground floor metal coating 14, is recessed in the described ground floor metal coating 14.Deposition or the shaping of described second layer metal coating 16 on ground floor metal coating 14 will be filled up any depression of the close described stopper 46 that limits in the described ground floor metal coating 14.
In the alternate embodiment of described caster roll 10, described second layer metal coating 16 can be omitted from described caster roll 10, shown in Figure 11.Described surperficial 32 of described ground floor metal coating 14 will form described " working surface " of described caster roll 10 now.Correspondingly, in described embodiment, described ground floor metal coating 14 is preferably made by a kind of hard metal, such as the relevant various metals of above-mentioned and described second layer metal coating 16.Described metal stopper 46 is used to be sealed in the described radial hole 44 that forms in the described ground floor metal coating 14.Described stopper 46 preferably flushes with described surperficial 32 of described ground floor metal coating 14.Described true " working surface " zone that is used for this alternate embodiment of described caster roll 10 generally be between described stopper 46 described ground floor metal coating 14 described surperficial 32.The step of above-mentioned heat treatment and surface roughening can be used to equally only with the described caster roll 10 of ground floor metal coating 14 as " working surface " of described caster roll 10.
In addition, shown in the dotted line in Fig. 2 and 11, can form described radial passage 30 at an angle with respect to the described central longitudinal axis L and the described central passage 24 (just, import and exit passageway 26,28) of described roller core 12.This has eliminated the needs to described stopper 46, because form described radial passage 30 in the end 38,40 of the described body of roll 18.Described end cap 36 is used to seal the openend of described cooling duct 34, and is as indicated above, and can be used to seal the openend of described " inclination " radial passage 30.In the described embodiment of described caster roll 10, wherein have only described ground floor metal coating 14 to be applied in described roller core 12, the use of described " inclination " radial passage 30 allows described whole surperficial 32 of described ground floor metal coating 14 to be used as described " working surface " of described caster roll 10.In described " inclination " radial passage 30 can be used to the to have two-layer or more multi-layered metal coating equally described preferred embodiment of described caster roll 10 of (just, described ground floor and second layer metal coating 14,16).The angle that is fit to that is used for described " inclination " radial passage 30 is an acute angle, preferably the acute angle in about 75 ° or littler scope.
Be used for described ground floor and second layer metal coating 14,16, and additional metal coating (if having words) is applied to the said method of the described body of roll 12, can be used to existing caster roll equally.Especially, described ground floor and second layer metal coating 14,16 can be applied in the existing caster roll that for example has as the circumferential groove of the aquaporin that is used for cooled caster rolls.As indicated above, a kind of like this prominent example with the caster roll of " ditch " or " groove " is disclosed in the United States Patent (USP) 5,292,298 of Scannell.
By described roller shell is removed from described roller core, and the circumferential groove of the described machining that further removal forms on described roller core (just, choma), described ground floor and second layer metal coating 14,16 can be applied in for example described caster roll of the patent disclosure of Scannell.So the described roller core that produces preferably has essentially smooth surface, and this essentially smooth surface means that generally described roller core does not have the groove (choma just) of described original machining.Then can be with described ground floor metal coating 14 foregoing applying.Can adopt aforementioned manner in described ground floor metal coating 14, to form described longitudinal extension cooling duct 34.Then, described cooling duct 34 can be arranged to the roller core of existing caster roll such as the hot delivery roll of the patent disclosure by Scannell in the radial and axial hole that limits, groove, perhaps pipeline fluid communicates.Described stopper 46 can be used to be sealed in the described radial hole 44 that forms in the described ground floor metal coating 14.Finally, can on described ground floor metal coating 14, form described second layer metal coating 16 and possible additional metal coating according to preceding method.Be used to form and only have the layer of metal coating (just, the aforementioned technology of described caster roll 10 described ground floor metal coating 14) can be used to " resurfacing " of existing caster roll such as the hot delivery roll of the patent disclosure of passing through Scannell equally.The patent of Scannell open only is used to illustrate and will be used to make the aforementioned process application of described caster roll 10 of the present invention in existing caster roll.Aforementioned " renovation " or " resurfacing " technology be considered to be used in sheet material continuous casting field used any in the caster roll of cooling, and the disclosure should not be understood that only can be used for the special arrangement of the described caster roll of the patent disclosure by Scannell.
With reference now to Figure 16,, shows another embodiment of caster roll 10 according to the present invention.In Figure 16, in the described body of roll 18 rather than in ground floor metal coating 14, form described cooling duct 34.Correspondingly, the described whole fluid flowing path that is used for cooling water is disposed in described roller core 12.As indicated above, described cooling duct 34 and described radial passage 30 fluid communication, and described radial passage 30 and described import and exit passageway 26,28 fluid communication.Described radial passage 30 can be arranged as " inclination " according to the preceding method relevant with Fig. 2 and 11.
Usually, the described embodiment of the described caster roll 10 shown in Figure 16, basically with above-mentioned illustrated have the layer of metal coating (just, ground floor metal coating 14) and two-layer or more metal coatings (just, described ground floor and second layer metal coating 14, the described embodiment of described caster roll 10 16) is similar, except not being now forms described cooling duct 34 in described ground floor metal coating 14 but in the described body of roll 18.Form described cooling duct 34 and radial passage 30 according to aforesaid identical method, for example form described cooling duct 34, and radial bore forms described radial passage 30 in the described body of roll 18 by in the described body of roll 18, vertically holing.According to the present invention, described caster roll 10 shown in Figure 16 can have the layer of metal coating (just, ground floor metal coating 14) that forms on the described body of roll 18, perhaps two-layer or more metal coatings (just, described ground floor and second layer metal coating 14,16).Yet, as personnel skilled in the art can understand, the described stopper 46 among the described embodiment of the described caster roll 10 shown in Figure 16, now will the described body of roll 18 described surperficial 31 on be inserted in the described radial passage 30.Then can the described body of roll 18 described surperficial 31 on form described ground floor metal coating 14, and cover described stopper 46.If desired, the additional metal coating can be put on described ground floor metal coating 14 such as described second layer metal coating 16 then.Described end cap 36 can be used in the described cooling duct 34 of 38,40 sealings, the end of the described body of roll 18.In the time of in being used to the described caster roll 10 shown in Figure 16, described end cap 36 can also be used to seal described " inclination " radial passage 30.Usually, in the described caster roll 10 shown in Figure 16, only need the layer of metal coating (just, ground floor metal coating 14), this layer metal coating made by aforementioned and described second layer metal coating 16 relevant any materials (hard metal just).
Hereinafter, with reference to figure 1-16, and with particular reference to the described caster roll 10 with described ground floor and second layer metal coating 14,16, with the described cooling-water flow mode in the described caster roll 10 of general description, and the correlation technique that cools off described caster roll 10.At first by described intake channel 26a, 26b enters described caster roll 10 to described cooling water.By described intake channel 26a, 26b, described cooling water flow through described roller core 12, described intake channel 26a, and 26b is to described drive end axle 20 extensions of passing of small part.Then, described cooling water in the described body of roll 18 by with described intake channel 26a, outwards flow out the described radial passage 30 of 26b fluid communication (" supply " radial passage 30 just).Then, described cooling water is by described " import " or " supply " cooling duct 34, and is vertically mobile along the whole length of described ground floor metal coating 14 (perhaps the body of roll 18).In case arrive the end of described each import cooling duct 34, the so present water that is heated is by described each interconnective " outlet " or " backflow " cooling duct 34, length along described ground floor metal coating 14 (perhaps the body of roll 18) back flows, described " outlet " or " backflow " cooling duct 34 is by described " backflow " radial passage 30 and described exit passageway 28a, 28b fluid communication.In a word, the water that is heated is by described outlet cooling duct 34, is back in the described return radial passages 30 along the length of described ground floor metal coating 14 (perhaps the body of roll 18).Described return radial passages 30, as indicated above, in described roller core 12 with described exit passageway 28a, 28b fluid communication.Described exit passageway 28a, 28b derives described roller core 12 with the water that is heated.Described intake channel 26a, 26b preferably, in the use of caster roll 10, with the continuous water source fluid communication of cooling water, be used for continuous cooling water be fed to described caster roll 10.
Described radial passage 30 and cooling duct 34 preferably are arranged in many backflow cooling water flow roads are set in the described ground floor metal coating 14 (perhaps the body of roll 18).Especially, with reference to figure 11-13, described radial passage 30 preferably is limited to the position (end 38,40 of the close described body of roll 18 just) of each end 38,40 of the described body of roll 18 substantially.Like this, a plurality of radial passages 30 (just, supply radial passage 30) all in the position and the described intake channel 26a fluid communication of described first end 38 of for example described body of roll 18, and a plurality of additional radial passages 30 (just, supply radial passage 30) is all in the position and the described intake channel 26a fluid communication of described second end 40 of the described body of roll 18.As shown in Figure 12 and 13, in two ends 38,40 of the described body of roll 18, cooling water will outwards flow in the described ground floor metal coating 14 basically.Exist a kind of and previous constructions similarly to construct, be used for described second intake channel 26b.
As indicated above, described cooling duct 34 is preferably arranged in pairs, each is to comprising " import " cooling duct 34 and interconnective " outlet " cooling duct 34, described " outlet " cooling duct 34 is back to the water that is heated in the passage of described radial passage 30, is used for removing the water that is heated from described caster roll 10.Like this, be positioned at the described supply radial passage 30 of described first end 38 of the described body of roll 18, in each import cooling duct 34, described import cooling duct 34 is transported to described second end 40 with cooling water from described first end 38 of the described body of roll 18 of described roller core 12 with chilled(cooling) water supply (CWS).By the interconnective outlet of described difference cooling duct 34, the water that is heated is back to starting point (first end 38).Similarly, be positioned at the described supply radial passage 30 of described second end 40 of the described body of roll 18, with chilled(cooling) water supply (CWS) in each import cooling duct 34, described import cooling duct 34 is transported to described first end 38 (just, along opposite direction) with cooling water from described second end 40 of the described body of roll 18.In addition, by the interconnective outlet of described difference cooling duct 34, the water that is heated refluxes along the length of described ground floor metal coating 14 (perhaps the body of roll 18).The described return radial passages 30 of two ends 38,40 by being arranged on the described body of roll 18 guides the water that is heated from described ground floor metal coating 14.Described return radial passages 30 and described exit passageway 28a, the 28b fluid communication, described exit passageway 28a, 28b guides the water that is heated from described caster roll 10.As personnel skilled in the art can understand, by the described second layer metal coating 16 that the backflow cooling water flow cools off described ground floor metal coating 14 and forms on the ground floor metal coating, described backflow cooling water flow flows along the length of described ground floor metal coating 14 (perhaps the body of roll 18).Figure 14 and 15 shows described annular end cap 36, no matter described cooling duct 34 is set in the described ground floor metal coating 14 still in the body of roll 18, described end cap 36 all seals or the described openend of closed described cooling duct 34.As indicated above, described end cap 36 can also be used to seal the end of described " inclination " radial passage 30.
Caster roll 10 and the process that is used to make it cause a kind of caster roll that has reduced the maintenance and repair costs that has as previously mentioned.In addition, for example by submerged-arc welding, the described ground floor on described roller core 12 and the deposition of second layer metal coating 14,16 have been got rid of the problem that well-known roller shell/roller core slides relatively in described technology.In addition, the use of the multiple layer metal coating on described roller core 12 has reduced the possibility on the outer surface (just, surface 50) that cooling water leaks into described caster roll 10, and this has improved the security of caster roll 10 described in the use.It is believed that, use above-mentioned technology, can significantly reduce the replacement cost of the described roller shell relevant, and the described eccentricity issues relevant with the caster roll of prior art can be reduced only about half of (just, 50%) with the caster roll of prior art.
When hereinbefore the preferred embodiments of the present invention being described, can leaving the spirit and scope of the present invention and make tangible correction of the present invention and change.In appended claim and of equal value requirement the thereof, define periphery of the present invention.
Claims
(according to the modification of the 19th of treaty)
1. one kind is used for sheet metal, band, sheet material, and the roller during perhaps foil is made comprises:
Cylindrical roll core, it has central longitudinal axis, and limits a plurality of longitudinal extensions cooling duct, is used in roller use guided by described roller core to cool off described roller, and described cooling duct is disposed in the inside of described roller core; And
At least the metal coating that on described roller core, forms of one deck.
2. according to the roller of claim 1, it is characterized in that described cooling duct is arranged to the surface near described roller core.
3. according to the roller of claim 1, it is characterized in that described cooling duct is arranged to the surface near described roller core, and arrange at interval equably about the central longitudinal axis of described roller core.
4. according to the roller of claim 1, it is characterized in that described roller core comprises a cylindrical roll body and two outward extending axles, and wherein, forms layer of metal coating at least on the described body of roll.
5. according to the roller of claim 4, it is characterized in that described cooling duct is arranged to the surface near the described body of roll.
6. according to the roller of claim 4, it is characterized in that described cooling duct is arranged to the surface near the described body of roll, and extend along the whole length of the described body of roll substantially.
7. according to the roller of claim 4, it is characterized in that described cooling duct is arranged to the surface near the described body of roll, and arrange at interval equably about the central longitudinal axis of the described body of roll.
8. according to the roller of claim 1, it is characterized in that described roller core also comprises:
The intake channel of at least one center arrangement; And
A plurality of passages that radially extend extend to described cooling duct from described at least one intake channel, are used for described cooling medium is transported to described cooling duct from described at least one intake channel.
9. roller according to Claim 8 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and described radial passage is vertical substantially

Claims (50)

1. one kind is used for sheet metal, band, sheet material, and the roller during perhaps foil is made comprises:
Cylindrical roll core, it has central longitudinal axis, and limits a plurality of longitudinal extensions cooling duct, be used in the roller use, guided by described roller core to cool off described roller; And
At least the metal coating that on described roller core, forms of one deck.
2. according to the roller of claim 1, it is characterized in that described cooling duct is arranged to the surface near described roller core.
3. according to the roller of claim 1, it is characterized in that described cooling duct is arranged to the surface near described roller core, and arrange at interval equably about the central longitudinal axis of described roller core.
4. according to the roller of claim 1, it is characterized in that described roller core comprises a cylindrical roll body and two outward extending axles, and forms layer of metal coating at least on the described body of roll.
5. according to the roller of claim 4, it is characterized in that described cooling duct is arranged to the surface near the described body of roll.
6. according to the roller of claim 4, it is characterized in that described cooling duct is arranged to the surface near the described body of roll, and extend along the whole length of the described body of roll substantially.
7. according to the roller of claim 4, it is characterized in that described cooling duct is arranged to the surface near the described body of roll, and arrange at interval equably about the central longitudinal axis of the described body of roll.
8. according to the roller of claim 1, it is characterized in that described roller core also comprises:
The intake channel of at least one center arrangement; And
A plurality of passages that radially extend, it extends to described cooling duct from described at least one intake channel, is used for described cooling medium is transported to described cooling duct from described at least one intake channel.
9. roller according to Claim 8 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and described radial passage is basically perpendicular to described at least one intake channel extension.
10. roller according to Claim 8 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and each passage of described radial passage and acute angle of described central longitudinal axis qualification.
11. the roller according to claim 1 is characterized in that, described roller core also comprises:
The intake channel of at least one center arrangement;
The exit passageway of at least one center arrangement;
First group of a plurality of passage that radially extends, it extends to described cooling duct from described at least one intake channel, is used for described cooling medium is transported to described cooling duct; And
Second group of a plurality of passage that radially extends, it extends to described at least one exit passageway from described cooling duct, be used for described cooling medium is transported to described at least one exit passageway from described cooling duct.
12. roller according to claim 11, it is characterized in that, the central longitudinal axis that described at least one intake channel and at least one exit passageway are basically parallel to described roller core extends, and described first group and second group of a plurality of radial passage are basically perpendicular to described at least one intake channel and at least one exit passageway extends.
13. roller according to claim 11, it is characterized in that, the central longitudinal axis that described at least one intake channel and at least one exit passageway are basically parallel to described roller core extends, and each passage of described first group and second group a plurality of radial passages and acute angle of described central longitudinal axis qualification.
14. roller according to claim 11, it is characterized in that, described roller core comprises the outward extending axle of a cylindrical roll body and two, and described at least one intake channel and at least one exit passageway extend through the described body of roll from axle wherein, and passes second axle at least in part.
15. roller according to claim 11, it is characterized in that described roller core comprises cylindrical roll body, and described cooling duct is extended along the whole length of the described body of roll, described roller also comprises the end cap of the opposite end that is connected respectively to the described body of roll, is used for the end of closed described cooling duct.
16. one kind is used for sheet metal, band, sheet material, the roller during perhaps foil is made comprises:
Cylindrical roll core with central longitudinal axis; And
The metal coating that forms on described roller core, described metal coating limits a plurality of cooling ducts, is used in roller use guided by described metal coating to cool off described roller.
17. the roller according to claim 16 is characterized in that, the central longitudinal axis that described cooling duct is basically parallel to described roller core extends.
18. the roller according to claim 16 is characterized in that, described cooling duct is substantially along the whole length longitudinal extension of described metal coating.
19. the roller according to claim 16 is characterized in that, described cooling duct is arranged equably at interval about the central longitudinal axis of described roller core.
20. the roller according to claim 16 is characterized in that, described roller core comprises a cylindrical roll body and two outward extending axles, and forms described metal coating on the described body of roll.
21. the roller according to claim 20 is characterized in that, extend along the whole length of the described body of roll substantially described cooling duct.
22. the roller according to claim 20 is characterized in that, described cooling duct is arranged equably at interval about the central longitudinal axis of described roller core.
23. the roller according to claim 16 is characterized in that, described roller core also comprises:
The intake channel of at least one center arrangement; And
A plurality of passages that radially extend, it extends to described cooling duct from described at least one intake channel, is used for described cooling medium is transported to described cooling duct from described at least one intake channel.
24. the roller according to claim 23 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and described radial passage is basically perpendicular to described at least one intake channel extension.
25. the roller according to claim 23 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and each passage of described radial passage and acute angle of described central longitudinal axis qualification.
26. the roller according to claim 16 is characterized in that, described roller core also comprises:
The intake channel of at least one center arrangement;
The exit passageway of at least one center arrangement;
First group of a plurality of passage that radially extends, it extends to described cooling duct from described at least one intake channel, is used for described cooling medium is transported to described cooling duct; And
Second group of a plurality of passage that radially extends extends to described at least one exit passageway from described cooling duct, is used for described cooling medium is transported to described at least one exit passageway from described cooling duct.
27. roller according to claim 26, it is characterized in that, the central longitudinal axis that described at least one intake channel and at least one exit passageway are basically parallel to described roller core extends, and described first group and second group of a plurality of radial passage are basically perpendicular to described at least one intake channel and at least one exit passageway extends.
28. roller according to claim 26, it is characterized in that, the central longitudinal axis that described at least one intake channel and at least one exit passageway are basically parallel to described roller core extends, and each passage of described first group and second group a plurality of radial passages and acute angle of described central longitudinal axis qualification.
29. roller according to claim 26, it is characterized in that, described roller core comprises the outward extending axle of a cylindrical roll body and two, and described at least one intake channel and at least one exit passageway extend through the described body of roll from axle wherein, and passes second axle at least in part.
30. roller according to claim 16, it is characterized in that, described roller core comprises a cylindrical roll body, and extend along the whole length of described metal coating described cooling duct, described roller also comprises the end cap of the opposite end that is connected respectively to the described body of roll, is used for the end of closed described cooling duct.
31. one kind is used for sheet metal, band, sheet material, the roller during perhaps foil is made comprises:
Cylindrical roll core with central longitudinal axis;
The ground floor metal coating that on described roller core, forms, described ground floor metal coating limits a plurality of cooling ducts, is used in roller use guided by described ground floor metal coating to cool off described roller; And
The additional metal of one deck at least coating that on described ground floor metal coating, forms.
32. the roller according to claim 31 is characterized in that, described ground floor metal coating has the hardness that is lower than the described additional metal of one deck at least coating hardness.
33. the roller according to claim 31 is characterized in that, the central longitudinal axis that described cooling duct is basically parallel to described roller core extends.
34. the roller according to claim 31 is characterized in that, extend along the whole length of described ground floor metal coating substantially described cooling duct.
35. the roller according to claim 31 is characterized in that, described cooling duct is arranged equably at interval about the central longitudinal axis of described roller core.
36. according to the roller of claim 31, wherein, described rolling comprises a cylindrical roll body and two outward extending axles, and forms described ground floor metal coating and the described additional metal of one deck at least coating on the described body of roll.
37. the roller according to claim 36 is characterized in that, extend along the whole length of the described body of roll substantially described cooling duct.
38. the roller according to claim 36 is characterized in that, described cooling duct is arranged equably at interval about the central longitudinal axis of described roller core.
39. the roller according to claim 31 is characterized in that, described roller core also comprises:
The intake channel of at least one center arrangement; And
A plurality of passages that radially extend, it extends to described cooling duct from described at least one intake channel, is used for described cooling medium is transported to described cooling duct from described at least one intake channel.
40. the roller according to claim 39 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and described radial passage is basically perpendicular to described at least one intake channel extension.
41. the roller according to claim 39 is characterized in that, the central longitudinal axis that described at least one intake channel is basically parallel to described roller core extends, and each passage of described radial passage and acute angle of described central longitudinal axis qualification.
42. the roller according to claim 31 is characterized in that, described roller core also comprises:
The intake channel of at least one center arrangement;
The exit passageway of at least one center arrangement;
First group of a plurality of passage that radially extends extends to described cooling duct from described at least one intake channel, is used for described cooling medium is transported to described cooling duct; And
Second group of a plurality of passage that radially extends extends to described at least one exit passageway from described cooling duct, is used for described cooling medium is transported to described at least one exit passageway from described cooling duct.
43. roller according to claim 42, it is characterized in that, the central longitudinal axis that described at least one intake channel and at least one exit passageway are basically parallel to described roller core extends, and described first group and second group of a plurality of radial passage are basically perpendicular to described at least one intake channel and at least one exit passageway extends.
44. roller according to claim 42, it is characterized in that, the central longitudinal axis that described at least one intake channel and at least one exit passageway are basically parallel to described roller core extends, and each passage of described first group and second group a plurality of radial passages and acute angle of described central longitudinal axis qualification.
45. roller according to claim 42, it is characterized in that, described roller core comprises the outward extending axle of a cylindrical roll body and two, and described at least one intake channel and at least one exit passageway extend through the described body of roll from axle wherein, and passes second axle at least in part.
46. roller according to claim 42, it is characterized in that, described roller core comprises cylindrical roll body, and extend along the whole length of described ground floor metal coating described cooling duct, described roller also comprises the end cap of the opposite end that is connected respectively to the described body of roll, is used for the end of the described cooling duct of closed described ground floor metal coating.
47. the roller according to claim 31 is characterized in that, described ground floor metal coating and the described additional metal of one deck at least coating thickness separately can be made into nearly 6 inches.
48. the roller according to claim 31 is characterized in that, described ground floor metal coating is a kind of heat-transfer metal of selecting from comprise copper, bronze, steel and stainless group.
49. the roller according to claim 31 is characterized in that, can select the described additional metal of one deck at least coating from the group that comprises steel and Ni-based, cobalt-based, copper base and titanium-base alloy.
50. roller according to claim 31, it is characterized in that, the described additional metal of one deck at least coating is included in the single metal coating that forms on the described ground floor metal coating, selects described single metal coating from the group that comprises steel and Ni-based, cobalt-based, copper base and titanium-base alloy.
CNB200380110090XA 2003-01-08 2003-12-10 Caster roll Expired - Fee Related CN100335203C (en)

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US60/438,721 2003-01-08
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Cited By (7)

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CN101979183A (en) * 2010-10-20 2011-02-23 中冶连铸技术工程股份有限公司 Novel durable pulling and straightening roller
CN102728796A (en) * 2011-04-15 2012-10-17 青岛云路新能源科技有限公司 Amorphous crystallizer
CN104029466A (en) * 2013-03-05 2014-09-10 上海联净电子科技有限公司 Mould pressing roller cold area adjusting device
CN106537076A (en) * 2014-05-27 2017-03-22 丹尼尔和科菲森梅克尼齐有限公司 Roll for handling a load in a furnace usable in a continuous casting and rolling process for thin carbon steel slabs
CN110252818A (en) * 2019-07-25 2019-09-20 河南科技大学 A kind of surface reinforcing method and roller set of roller set
CN110280734A (en) * 2019-07-31 2019-09-27 攀钢集团工程技术有限公司 Large square bland continuous-casting machine pulling-straightening roller cooling water seal structure
CN113333472A (en) * 2021-08-08 2021-09-03 常州市坚力橡胶有限公司 Rubber roll and machine tool assembled by same

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CH675974A5 (en) * 1987-10-23 1990-11-30 Lauener Eng Ag
US5651410A (en) * 1991-01-04 1997-07-29 Davy Mckee (Sheffield) Limited Cooling roll
GB9123666D0 (en) * 1991-11-07 1992-01-02 British Steel Plc Cooling of rollers
IT1290603B1 (en) * 1997-05-02 1998-12-10 Voest Alpine Ind Anlagen CASTING CYLINDER
CN1203127A (en) * 1997-06-19 1998-12-30 衡阳市连铸机配件总厂 Full water-cooled roller and its making method
FR2799399B1 (en) * 1999-10-06 2002-02-08 Pechiney Rhenalu CONTINUOUS CASTING CYLINDER OF METAL STRIP COMPRISING A COOLING CIRCUIT
CN1164386C (en) * 2001-02-02 2004-09-01 鞍钢集团机械设计研究院 Composite roller for two cooling regions of conticaster

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101979183A (en) * 2010-10-20 2011-02-23 中冶连铸技术工程股份有限公司 Novel durable pulling and straightening roller
CN102728796A (en) * 2011-04-15 2012-10-17 青岛云路新能源科技有限公司 Amorphous crystallizer
CN102728796B (en) * 2011-04-15 2014-01-15 青岛云路新能源科技有限公司 Amorphous crystallizer
CN104029466A (en) * 2013-03-05 2014-09-10 上海联净电子科技有限公司 Mould pressing roller cold area adjusting device
CN104029466B (en) * 2013-03-05 2016-10-05 上海联净电子科技有限公司 A kind of mold pressing roll cold-zone adjusting means
CN106537076A (en) * 2014-05-27 2017-03-22 丹尼尔和科菲森梅克尼齐有限公司 Roll for handling a load in a furnace usable in a continuous casting and rolling process for thin carbon steel slabs
CN106537076B (en) * 2014-05-27 2019-01-01 丹尼尔和科菲森梅克尼齐有限公司 The roller of carrying load in the furnace of the continuously casting and rolling mill practice that can be used for thin carbon steel plate slab
CN110252818A (en) * 2019-07-25 2019-09-20 河南科技大学 A kind of surface reinforcing method and roller set of roller set
CN110280734A (en) * 2019-07-31 2019-09-27 攀钢集团工程技术有限公司 Large square bland continuous-casting machine pulling-straightening roller cooling water seal structure
CN113333472A (en) * 2021-08-08 2021-09-03 常州市坚力橡胶有限公司 Rubber roll and machine tool assembled by same
CN113333472B (en) * 2021-08-08 2021-10-12 常州市坚力橡胶有限公司 Rubber roll and machine tool assembled by same

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