CN110293132A - A kind of multisection type convexity regulation roll with interior cold - Google Patents
A kind of multisection type convexity regulation roll with interior cold Download PDFInfo
- Publication number
- CN110293132A CN110293132A CN201910598123.2A CN201910598123A CN110293132A CN 110293132 A CN110293132 A CN 110293132A CN 201910598123 A CN201910598123 A CN 201910598123A CN 110293132 A CN110293132 A CN 110293132A
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- Prior art keywords
- core roller
- water channel
- annular recess
- roller
- roll
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Classifications
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- 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
- B21B27/02—Shape or construction of rolls
- B21B27/03—Sleeved rolls
- B21B27/032—Rolls for sheets or strips
-
- 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
- B21B27/08—Lubricating, cooling or heating rolls internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
- B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
- B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
- B21B38/006—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring temperature
-
- 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
- B21B27/08—Lubricating, cooling or heating rolls internally
- B21B2027/083—Lubricating, cooling or heating rolls internally cooling internally
-
- 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
- B21B27/08—Lubricating, cooling or heating rolls internally
- B21B2027/086—Lubricating, cooling or heating rolls internally heating internally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2267/00—Roll parameters
- B21B2267/18—Roll crown; roll profile
- B21B2267/19—Thermal crown
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- General Induction Heating (AREA)
Abstract
The multisection type convexity with interior cold that the invention discloses a kind of regulates and controls roll, and core roller surface is equipped with multiple annular recess being equally spaced, and is furnished with and the matched annular groove closed-loop of annular recess.The axial water channel hole that there are two core roller one lateral edge axial directions to interior set is arranged symmetrically in 180 degree.Two radial through-hole being arranged symmetrically are designed between each annular recess and axial water channel hole.Water channel can effectively promote thermally-induced convexity thermal balance rate, promote roll crown and regulate and control rate.Disc type electromagnetic stick is installed on core roller center axially extending bore, positioned at the annular recess center position of two core rollers.Flat vortex-like spiral winding is connected with slip ring, then is connected with external variable-frequency power sources, cooler.The external signal wire of temperature sensor is connected with slip ring, then is coupled to temperature control modules.Plate shape flexibility ability of regulation and control of the present invention is strong, regulatory domain is wide, is capable of forming the high-order roller curve of roller form stabilizing, continuous variable.
Description
Technical field
The present invention relates to metallurgical industry steel rolling equipment field more particularly to a kind of multisection type convexitys with interior cold
Regulate and control roll.
Background technique
Strip Shape Control is the important means of plate & strip production.Along with steel industry upgrade propulsion, steel market for
The requirement of Strip product is more stringent, especially in terms of plate shape, plate thickness and properties of product.Further to play existing type
Productive potentialities, inject new vitality to plate & strip production, roll shape control becomes the research hotspot of Strip Shape Control technology instantly.Liquid
The roll shapes control technologies such as bending roll technology, CVC series technique, sub-sectional cooling technology, VC series technique, DSR series technique are successive
Applied to production practices, and obtain a series of good effects.Wherein, hydraulic bending roll, CVC series technique, sub-sectional cooling technology master
If realizing the online regulation to fixed roll shape in the form of roller, original roll crown or external segmentation water cooling；VC series
Technology, DSR series technique are then the online regulations that flexible roll shape is realized with internal hydraulic-driven.The present inventor once invents " one
Kind can roller with flexibly adjustable roller type curves " (CN102527727A), the invention using the roll inside swollen stick of electric heating as driving element,
By electromagnetic inductive heating principle, the online regulation of flexible roll shape is realized, have the characteristics that ability of regulation and control is strong, roll rigidity is high.
In addition, the present inventor also invented " a kind of flexible roll crown regulation roll of segmentation " (CN108372204A), the invention is with built-in
Circular ring shape electromagnetic wand be driving element, it can be achieved that segmentation roll crown flexibility regulation, formed high-order roller curve.
But there is different problems for above-mentioned technology: hydraulic bending roll, CVC series technique, sub-sectional cooling technology etc. are fixed
Roll shape regulates and controls method online, and because its regulation is higher for the dependency degree of initial roll shape, and initial roll shape is during roll is on active service
Abrasion easily occurs and changes, it is difficult to realize Strip Shape Control effect steady in a long-term.VC series technique, DSR series technique are because of it
Hydraulic Elements drive characteristic is only capable of so that it often shows the limited problem of poor rigidity, regulation amount in military service as branch
Support roller, leveling roll uses." one kind can roller with flexibly adjustable roller type curves " (CN102527727A) has found during military service,
Its induction heating area is mutually separated with bulging contact zone can generate temperature Propagation, and roll crown is caused to fluctuate." a kind of segmentation is flexible
Roll crown regulation roll " (CN108372204A) finds that disc type electromagnetic stick axially extending bore can be decreased slightly as low roll during military service
Roller rigidity causes Service Environment limited.
Summary of the invention
In view of the above technical problems, that the purpose of the present invention is to provide a kind of template flexibility abilities of regulation and control is strong, regulatory domain is wide,
And there is the segmented convexity regulation roll for forming the variable high-order roller curve of steady and continuous and interior cold.
To achieve the above object, the present invention is realized according to following technical scheme:
A kind of multisection type convexity with interior cold regulates and controls roll, which is characterized in that including core roller, annular groove closed-loop,
Roller set, disc type electromagnetic stick, claw-like thread spool positioner, flat vortex-like spiral winding, temperature sensor, electromagnetic wand end cap,
Temperature signal line, slip ring, wherein the core roller is cylinder core roller, central axial through-hole built in core roller；The core roller surface is set
There are multiple annular recess being equally spaced；The annular groove closed-loop is matched with the annular recess of the core roller surface, with core
Roller surface is welded and is ground, and closing ring cavity is formed；It is in what 180 degree was arranged symmetrically that there are two one lateral edge of the core roller axial directions to interior set
Axial water channel hole, the axial direction water channel hole depth are deeper than annular recess array total length；Each annular recess with it is corresponding each
Two radial through-hole being arranged symmetrically are designed between axial water channel hole；When roll is cooling, by external water pump water channel hole in the axial direction
For coolant liquid, for coolant liquid along axial water channel hole, the radial through-hole through being connected with axial water channel hole flows into each annular recess, with
Another axial water channel hole is flowed into via other side radial through-hole again afterwards, until outflow core roller；The roller set is used with the core roller
Hot charging simultaneously keeps being interference fitted；The disc type electromagnetic stick is installed on the core roller center axially extending bore, is located at two adjacent
Annular recess center position；Disc type electromagnetic stick both ends are equipped with circular groove, are equipped with aperture, small hole location in circular groove
In circular groove center, the circular groove side wall of disc type electromagnetic stick is equipped with screw thread；The circular groove of the disc type electromagnetic stick
Internal and electromagnetic wand end cap is designed with claw-like thread spool positioner, the installation site pair of the claw-like thread spool positioner at two
Claim；Flat vortex-like spiral winding is fixed by claw-like thread spool positioner, via conductive, water guide access, is connected with the slip ring,
It is connected again with external variable-frequency power sources, cooler, the external signal wire of the temperature sensor is connected with the slip ring, is then connected to
The temperature control modules of peripheral hardware, the temperature control modules carry out signal conversion and real-time Transmission conversion signal, and core roller center is logical
Fill metal charge identical with roll bulk material in hole.
In above-mentioned technical proposal, the core roller and the disc type electromagnetic stick use alloy mold Steel material.
In above-mentioned technical proposal, the claw-like thread spool positioner uses refractory ceramics.
In above-mentioned technical proposal, electromagnetic wand end cap uses iron-nickel alloy, and is coated with nanoscale zirconia coating.
In above-mentioned technical proposal, flat vortex-like spiral winding uses hollow copper tube, and helically formula is arranged, outside package
Insulating materials.
In above-mentioned technical proposal, axial water channel hole depth is than annular recess array total length depth 15mm, so as to axial water channel
Whole annular recess are covered, provide coolant liquid for annular recess.
Compared with the prior art, the invention has the following advantages:
(1) compared to the VC roll of traditional form and DSR roll, the present invention is quick by electromagnetic wand using electromagnetic induction technology
Heating, electromagnetic wand expanded by heating simultaneously transmit heat to core roller.Xin Gun inner hole local heating diameter contract to be formed interior tied mechanism cooperation
Electromagnetic wand Thermal expansion mechanism provides bigger endogenous contact pressure for roll shape regulation.
(2) electromagnetic wand of the present invention is equipped with well every the device of magnetic heat-proof quality, magnetic field and temperature field can be limited in electricity
In bar magnet peripheral space region, thermal balance, dynamic balance mechanism can be constituted in short-term, rapidly, greatly improve roll shape regulation effect
Rate.
(3) annular groove is opened up inside the core roller of roll of the present invention, can be used as cooling water channel.It can be supplied by axial hole in work
Coolant liquid is limited because the expansion of electromagnetic wand induction heating is formed by temperature field in roll shape electromagnetism control technique, inside roll
Axial sprawling improves thermally equilibrated formation efficiency, and then improves roll shape electromagnetism and regulate and control the speed of response.
(5) flat vortex-like spiral winding of the invention, using transverse magnetic flux electromagnetic induction heating mode, directly to electromagnetism
Stick contact zone carries out electromagnetic induction heating, and is heated evenly, and then improve the regulation rate of roll shape electromagnetism control technique.
(6) present invention improves roll shape electromagnetism regulation roll overall stiffness using electromagnetic wand without axially extending bore.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is main view diagrammatic cross-section of the invention；
Fig. 2 is Fig. 1 partial enlarged view schematic diagram；
Fig. 3 is Fig. 1 partial enlarged view schematic diagram；
Fig. 4 is the assembling schematic diagram of single disc type electromagnetic stick；
Fig. 5 is disc type electromagnetic stick number schematic diagram of the invention；
Fig. 6 is the roller curve figure under disc type electromagnetic stick 4-1,4-3,4-5 electrified regulation of the invention；
Fig. 7 is the roller curve figure under disc type electromagnetic stick 4-2,4-4 electrified regulation of the invention；
Fig. 8 is the roller curve figure under disc type electromagnetic stick 4-1,4-2,4-5 electrified regulation of the invention；
Wherein, 1- core roller, 2- annular groove closed-loop, 3- roller set, 4- disc type electromagnetic stick, 5- claw-like thread spool positioner, 6-
Flat vortex-like spiral winding, 7- temperature sensor, 8- electromagnetic wand end cap, 9- metal charge, 10- temperature signal line, 11- are sliding
Ring.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.
In the description of the present invention, it is to be understood that, term " radial direction ", " axial direction ", "upper", "lower", "top", "bottom",
The orientation or positional relationship of the instructions such as "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of retouching
It states the present invention and simplifies description, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific
Orientation construction and operation, therefore be not considered as limiting the invention.In the description of the present invention, unless otherwise indicated,
The meaning of " plurality " is two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation " " is set
Set ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
It, can also be indirectly connected through an intermediary to be to be connected directly.It for the ordinary skill in the art, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
In Fig. 1-main view section simplified schematic diagram of the present invention shown in Fig. 3, core roller 1 is cylinder core roller, preferably with conjunction
Golden die steel material, central axial through-hole built in core roller 1, can be used for installing disc type electromagnetic stick 4；1 surface of core roller is equipped with multiple
The annular recess being equally spaced can be used as the cooling cloth circulation road of roll body；Annular groove closed-loop 2 and the ring-type on 1 surface of core roller are recessed
Slot matches, and welds and is ground with 1 surface of core roller, formed closing ring cavity, inside can lead to cooling water or cooling oil；Core roller 1 one
Lateral edge is axial to be set to interior there are two the axial water channel hole being arranged symmetrically in 180 degree, and axial water channel hole depth is than annular recess array
Total length depth 15mm can be used as the input channel and output channel of the cooling cloth stream of roll body；Each annular recess with it is corresponding
It is designed with two radial through-hole being arranged symmetrically between axial water channel hole, can be used for being connected to annular recess and axial water channel hole.
When roll is cooling, by external water pump in the axial direction water channel hole for coolant liquid, coolant liquid along axial water channel hole, through with this
The connected radial through-hole of axial water channel hole flows into each annular recess, then flows into another axial direction via other side radial through-hole again
Water channel hole, until outflow core roller 1.Roller set 3 using hot charging and keeps being interference fitted with core roller 1.
Disc type electromagnetic stick 4 preferably selects material identical as core roller 1, is installed on the central axial through-hole of core roller 1, is located at two
The annular recess center position of a core roller 1；As shown in figure 4,4 both ends of disc type electromagnetic stick are equipped with circular groove, circular groove
Interior to be equipped with aperture, aperture is located at circular groove center, is used for mounting temperature sensor；It is fixed that it is internally provided with multiple claw-like coils
The circular groove side wall of position device 5, disc type electromagnetic stick 4 is equipped with screw thread, cooperates for 8 thread connection of electromagnetic wand end cap.It is described
Inside the circular groove of disc type electromagnetic stick and electromagnetic wand end cap is designed with claw-like thread spool positioner, the claw-like coil at two
The installation site of positioning device is symmetrical, for installing flat vortex-like spiral winding 6；Claw-like thread spool positioner 5 preferably with
Refractory ceramics has good heat resistance and insulating properties, and the localized hyperthermia generated during induction heating is avoided to melt
Change claw-like thread spool positioner 5, coil is made to be detached from existing position；Electromagnetic wand end cap 8 is coated with nanometer preferably with iron-nickel alloy
Grade zirconium oxide coating for reducing the magnetic leakage generated during flat vortex-like 6 electromagnetic induction heating of spiral winding, and avoids
Heat affecting and magnetic influence between more stick heating medium rods.
Flat vortex-like spiral winding 6 arranges that insulation material is wrapped up in outside preferably with hollow copper tube, whole helically formula
Material；Flat vortex-like spiral winding 6 is fixed by claw-like thread spool positioner 5, via conductive, water guide access, is connected with slip ring 11,
It is connected again with external variable-frequency power sources, cooler, for being the flat vortex-like power supply of spiral winding 6 and cooling water.
The external signal wire of temperature sensor is connected with slip ring 11, then is connected to temperature control modules, temperature control modules
Carry out signal conversion and real-time Transmission conversion signal.1 central through hole of core roller fills metal filling identical with roll bulk material
Object 9, for keeping roll rigidity.Disc type electromagnetic stick 4, electromagnetic wand end cap 8, filling metal charge 9 are equipped with central through hole,
For being routed, stringing.
The course of work of the invention approximately as:
The present invention is based on inductive heating principle and metal heated dilating principle based on electromagnetism, thermal conduction study and mechanics,
And then propose that electromagnetism regulates and controls new technology.The invention by external variable-frequency power sources to flat vortex-like spiral winding electricity consumption, it is flat
Vortex-like spiral winding carries out transverse magnetic flux electromagnetic induction heating to its circumferential metal body；Disc type electromagnetic stick will be with its expanded by heating
And outer tied mechanism forms convexity on core roller, and then realizes that roll crown is adjusted.In electromagnetism regulation process, external water pump is to roll
Internal cloth flowing flux completely cuts off disc type electromagnetic stick and axially passes in temperature roll into roll transmitting temperature course for coolant liquid
It passs.For monitoring disc type electromagnetic stick temperature, temperature is passed to external control is the thermocouple being arranged on disc type electromagnetic stick
System, and then realize roll shape electromagnetism regulation dynamic regulation, form stable roller curve.
Measure of merit is carried out to specific embodiments of the present invention, using 5 electromagnetic wands, each electromagnetism stick end adheres to two
Flat vortex-like spiral winding, as shown in Figure 5.Wherein disc type electromagnetic stick number is followed successively by 4-1,4-2,4-3,4-4,4-5.Root
Electrified regulation is carried out to electromagnetic wand according to different combining forms.It is powered, is produced when to disc type electromagnetic stick 4-1,4-3,4-5
Raw roller curve such as Fig. 6；It is powered when to disc type electromagnetic stick 4-2,4-4, generated roller curve such as Fig. 7；When right
Disc type electromagnetic stick 4-1,4-2,4-5 are powered, generated roller curve such as Fig. 8.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. a kind of multisection type convexity with interior cold regulates and controls roll, which is characterized in that including core roller (1), annular groove closed-loop
(2), roller set (3), disc type electromagnetic stick (4), claw-like thread spool positioner (5), flat vortex-like spiral winding (6), temperature pass
Sensor (7), electromagnetic wand end cap (8), temperature signal line (10), slip ring (11), wherein the core roller (1) is cylinder core roller, core
Central axial through-hole built in roller；Core roller (1) surface is equipped with multiple annular recess being equally spaced；The annular groove closed-loop
(2) it is matched with the annular recess on core roller (1) surface, welds and be ground with core roller (1) surface, form closing ring cavity；Institute
State that core roller (1) one lateral edge is axial to set that there are two the axial water channel hole being arranged symmetrically in 180 degree, the axial direction water channel hole depths to interior
It is deeper than annular recess array total length；Two symmetrical cloth are designed between each annular recess and corresponding each axial water channel hole
The radial through-hole set；When roll is cooling, by external water pump in the axial direction water channel hole for coolant liquid, coolant liquid along axial water channel hole,
Radial through-hole through being connected with axial water channel hole flows into each annular recess, then flows into again via other side radial through-hole another
Axial water channel hole, until outflow core roller；The roller set (3) using hot charging and keeps being interference fitted with the core roller (1)；The circle
Disk type electromagnetic stick (4) is installed on the central axial through-hole of the core roller (1), is located at two adjacent annular recess center positions；
Disc type electromagnetic stick (4) both ends are equipped with circular groove, are equipped with aperture in circular groove, and aperture is located at circular groove center,
The circular groove side wall of disc type electromagnetic stick (4) is equipped with screw thread；It is inside the circular groove of the disc type electromagnetic stick (4) and electric
Bar magnet end cap (8) is designed with claw-like thread spool positioner (5), and the installation site of the claw-like thread spool positioner (5) at two is symmetrical；
Flat vortex-like spiral winding (6) is fixed by claw-like thread spool positioner (5), via conductive, water guide access, with the slip ring
(11) it is connected, then is connected with external variable-frequency power sources, cooler, the external signal wire and the slip ring of the temperature sensor (7)
(11) it is connected, is then connected to the temperature control modules of peripheral hardware, the temperature control modules carry out signal conversion and real-time Transmission turns
Signal is changed, core roller center through-hole fills metal charge (9) identical with roll bulk material.
2. multisection type convexity according to claim 1 regulates and controls roll, which is characterized in that the core roller (1) and the disk
Formula electromagnetic wand (4) uses alloy mold Steel material.
3. multisection type convexity according to claim 1 regulates and controls roll, which is characterized in that the claw-like thread spool positioner
(5) refractory ceramics is used.
4. multisection type convexity according to claim 1 regulates and controls roll, which is characterized in that electromagnetic wand end cap (8) uses iron nickel
Alloy, and it is coated with nanoscale zirconia coating.
5. multisection type convexity according to claim 1 regulates and controls roll, which is characterized in that flat vortex-like spiral winding (6)
Using hollow copper tube, helically formula is arranged, outside package insulating materials.
6. multisection type convexity according to claim 1 regulates and controls roll, which is characterized in that axial water channel hole depth is more recessed than cyclic annular
Slot array total length depth 15mm provides coolant liquid so that axial water channel covers whole annular recess for annular recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598123.2A CN110293132B (en) | 2019-07-04 | 2019-07-04 | Multi-section convexity regulating roller with inner cooling mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910598123.2A CN110293132B (en) | 2019-07-04 | 2019-07-04 | Multi-section convexity regulating roller with inner cooling mechanism |
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| CN110293132A true CN110293132A (en) | 2019-10-01 |
| CN110293132B CN110293132B (en) | 2020-07-07 |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111546137A (en) * | 2020-05-08 | 2020-08-18 | 山西太钢不锈钢股份有限公司 | Method for grinding combined roll profile of flatness roll convexity |
| CN112453068A (en) * | 2020-11-04 | 2021-03-09 | 燕山大学 | External cooling device capable of forming continuous stable high-order roller-shaped curve and cooling method thereof |
| CN112453069A (en) * | 2020-11-05 | 2021-03-09 | 燕山大学 | Novel rolling mill external cooling device capable of flexibly regulating and controlling roll shape in sections and operation method thereof |
| CN112906146A (en) * | 2021-01-15 | 2021-06-04 | 燕山大学 | Round tube forming square and rectangular tube hole pattern design method considering thickening coefficient |
| CN112934975A (en) * | 2021-01-21 | 2021-06-11 | 燕山大学 | Sectional temperature control type RPECT roller shape repairing device and method thereof |
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| CN113976637A (en) * | 2021-11-17 | 2022-01-28 | 燕山大学 | Multi-section thermal regulation and control supporting device of strip mill and control method thereof |
| CN114453422A (en) * | 2022-02-17 | 2022-05-10 | 楚能新能源股份有限公司 | Adjustable tension roller in pole piece stretching mechanism |
| CN115254972A (en) * | 2022-09-27 | 2022-11-01 | 江苏时代新能源科技有限公司 | Roller and rolling device |
| CN116197240A (en) * | 2023-02-24 | 2023-06-02 | 浙江豪环新材料有限公司 | Processing technology and rolling mill for high-performance steel |
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