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581results about "Rotary press" patented technology

A dynamic roll forming device and method for gradient porous separator for silicon-based negative electrode

The application discloses a dynamic roller pressing forming device for a gradient-pore diaphragm for a silicon-based negative electrode, comprising a modular coating unit, a multi-shaft roller pressing machine group and a partitioned annealing cavity arranged in sequence, the modular coating unit comprises a slit coating mechanism, a spray coating mechanism and a micro-gravure coating mechanism arranged in sequence, the multi-shaft roller pressing machine group comprises a main pressing roller and a supporting roller matched with the main pressing roller, and a dynamic pressure feedback system is arranged on the main pressing roller; and the application further discloses a method for preparing a gradient-pore high-molecular diaphragm by using the forming device. The device is provided with the main pressing roller of the multi-shaft roller pressing machine group and the partitioned annealing cavity, and the dynamic pressure feedback system is arranged on the main pressing roller, so that the accurate matching between the pore structure and the expansion behavior of the silicon-based negative electrode is realized, the stress buffering capacity and the ion transmission efficiency of the diaphragm are improved, and the device is suitable for the technical field of lithium ion battery materials.
Owner:XIAN RARE METAL MATERIALS RES INST CO LTD

Pre-calendering system for reducing strain imbalances in multilane electrodes

Generally described, one or more aspects of the present disclosure relate to methods, systems, and devices related to pre-straining bare lanes of a multilane electrode with a system for calendering a multilane electrode including a pre-strain roll device including a plurality of pre-strain rollers and a pressure roller forming a pre-strain nib and a calender roll device comprising a pair of calendering rollers forming a calendering nip positioned downstream from the pre-strain roll device.
Owner:TESLA INC

Roller press parameter adjusting method and system, rolling equipment and storage medium

The invention relates to the technical field of data processing, and discloses a roller press parameter adjusting method and system, rolling equipment and a storage medium, and the method comprises the following steps: obtaining target parameters of a roller press reaching a preset operation state, and carrying out parameter configuration on roll gaps at all levels to form a first parameter sequence; on the basis of the first parameter sequence and the target parameter, determining speed ratio configuration among all sections of rollers of the roller press to form a second parameter sequence; the roller press is controlled to execute feeding operation according to the first parameter sequence and the second parameter sequence, and diaphragm detection data formed through processing of the roller press are collected; and correcting the parameter sequence according to the difference between the diaphragm detection data and the target parameter to obtain a target diaphragm parameter. According to the invention, automation and standardization of debugging of the roller press are realized, the precision of parameter configuration and the production consistency are remarkably improved, the dependence on manpower is reduced, the targets of membrane thickness and surface density are stably realized, and the machine debugging efficiency and the product yield are improved.
Owner:QINGYAN NACO INTELLIGENT EQUIP TECH (SHENZHEN) CO LTD

Real gap and minimum gap methods of calendering a dry electrode film, and systems thereof

Calendering methods that accurately and / or precisely calender dry electrode films, and systems thereof, are described. The methods and systems are able to control the calendering nip and / or calendering distance between the calendering rollers with and / or without the presence of an electrode film and / or electrode powder mixture such that the variation of the calendering distance is reduced.
Owner:TESLA INC

Rotary pressing machine

The invention relates to a rotary press comprising a rotor which can be rotated by means of a rotary drive and which has upper and lower punch guides for upper and lower press punches and a die plate arranged between the punch guides, the press punches interacting with the cavities of the die plate, and a filling device, the invention relates to a rotary press for filling a powder material to be pressed into a cavity of a mold disc, comprising a pressure device having an upper and a lower pressure unit which, during operation, interacts with an upper and a lower pressing punch in order to press the powder material in the cavity into a pressed article, comprising a scraping device, and a scraping device for scraping off the pressed product ejected onto the upper side of the mold plate by the lower pressing punch after pressing, the scraping device having a scraping channel arranged at least partially above the mold plate in order to guide the pressed product ejected onto the upper side of the mold plate from the mold plate to the first pressed product outlet along the scraping channel.
Owner:FETTE COMPACTING GMBH

Prepreg method and device capable of automatically adjusting compensation parallelism, computer device and storage medium

The invention provides a prepreg method and equipment for automatically adjusting compensation parallelism, computer equipment and a storage medium. The method comprises the steps that an upper roller and a lower roller abut against each other in parallel to obtain a current end pressure standard value; setting an end pressure deviation threshold value; respectively obtaining a first end pressure value and a second end pressure value when the two ends of the upper roller and the lower roller jointly extrude the carbon fibers during preimpregnation; carrying out difference processing on the first end pressure value and the second end pressure value to obtain an end pressure deviation value; judging whether the absolute value of the end pressure deviation value is greater than an end pressure deviation threshold value; if yes, the gaps between the two ends of the upper roller and the gaps between the lower roller are automatically adjusted so as to compensate the parallelism between the upper roller and the lower roller. Through comparison and judgment of the end pressure deviation threshold value and the absolute value of the end pressure deviation value, the gap does not need to be adjusted according to the pressure detection value, mechanical vibration and pressure detection noise are prevented from causing excessive adjustment of preimpregnation equipment, interference items of mechanical vibration and pressure detection noise are eliminated, and the prepreg operation is more stable.
Owner:HUIZHOU SHENGXING NEW MATERIAL TECHNOLOGY CO LTD

Self-adaptive dry-method pole piece rolling parameter adjusting method and device and electronic equipment

The invention relates to a self-adaptive dry method pole piece rolling parameter adjusting method and device and electronic equipment. The method comprises the following steps: collecting first sample data, training by adopting a machine learning algorithm based on the first sample data, and constructing a prediction model; in response to the received target pole piece thickness and target pole piece surface density, determining target process parameters based on the prediction model; the target process parameters are issued to an execution mechanism of the roller press, and the actual pole piece thickness and the actual pole piece surface density in the production process are collected; and comparing the actual pole piece thickness and the actual pole piece surface density with the target pole piece thickness and the target pole piece surface density respectively, and when a comparison result determines that a deviation value exceeds a preset threshold value, recalculating and issuing corrected target process parameters based on the prediction model, the actual pole piece thickness and the actual pole piece surface density. According to the scheme provided by the invention, self-adaptive dry-method pole piece rolling parameter adjustment can be realized, the debugging period is effectively shortened, and the production efficiency is improved.
Owner:SHENZHEN YINGHE TECH

Trimming and peeling systems for manufacturing dry electrodes

Generally described, one or more aspects of the present disclosure relate to systems, methods, and devices for trimming and peeling electrode films. The system can be integrated into a calender rolling system and can create multi-lane films with clean edge quality for lamination. The system can include a trimming device including a cutting device, and a material removing device positioned downstream from the cutting device, the material removing device including a scraper element, a support element positioned upstream from the scraper element, and a vacuum element.
Owner:TESLA INC

Hot rolling device

The utility model relates to a hot rolling device which comprises a hot pressing assembly, and the hot pressing assembly comprises an upper pressing roller and a lower pressing roller which are used for rolling a material layer and a heating piece used for heating the material layer to be rolled and the pressing rollers. The heating pieces are arranged on the upstream and downstream of the upper and lower pressing rollers in the conveying direction of the material layer, heat reflecting surfaces are further formed on the sides, away from the conveying direction and the pressing rollers, of the heating pieces, the heat reflecting surfaces are used for reflecting heat emitted by the heating pieces, and the heating pieces are separated from the pressing rollers, so that a heat source is separated; the heat generated by the heat source is concentrated in the space where the material layer conveying path near the compression roller is located, so that the heating uniformity of the material layer is improved while the heating effect on the material layer is ensured.
Owner:BEIJING PURE LITHIUM NEW ENERGY TECH CO LTD

Compression molding equipment and method for lithium battery electrode

The invention relates to the technical field of lithium battery electrode rolling forming, and discloses a lithium battery electrode pressing forming device and method, the lithium battery electrode pressing forming device comprises a workbench and a base, the top of the workbench and the bottom of the base are fixedly installed, and the two sides of the workbench are each provided with a deviation rectifying tension compensation mechanism. According to the compression molding equipment and method for the lithium battery electrode, the contact detection mechanism can convert a pole piece deviation force into a detection force and transmit different detection forces according to different deviation degrees, and the oil path switching mechanism carries out different opening operations on an oil path according to the magnitude of the detection force; the tension adjusting mechanism converts rotating force into adjusting force for tension compensation adjustment, the tension can be detected and accurately adjusted in real time when the pole piece deviates during high-speed continuous rolling, the problem that the edge of the pole piece and the pressure of a roller are unbalanced due to deviation is effectively solved, and the service life of the pole piece is prolonged. And the conditions that the thickness consistency of the pole piece becomes poor, the compaction density is not uniform, the edge is torn, wrinkles or belt breakage are generated and the like are prevented.
Owner:JIANGSU JUNTAI ENERGY TECHNOLOGY CO LTD

Electrode sheet calender roll including hard layer formed by physical vapor deposition and method of manufacturing the same

Disclosed is an electrode sheet calender roll including a hard layer formed by physical vapor deposition and a manufacturing method thereof. The manufacturing method of the electrode sheet calender roll according to one embodiment of the present invention is characterized by including: a hard layer forming step of forming a hard layer on a roll core composed of a steel material containing carbon by a PVD method; and a hard layer forming step of polishing the hard layer so that the thickness of the hard layer is different between a center portion and end portions of the calender roll.
Owner:J&L TECH CO LTD

Multi-station rolling die for forming hexagonal rods of pencils

The multi-station rolling die comprises a machine frame, a plurality of rotating rollers are rotationally connected to the interior of the machine frame, a plurality of strip-shaped openings are formed in the inner wall of the top end of the machine frame, rolling rollers are arranged on the inner walls of the strip-shaped openings in a sliding mode respectively, a movable frame is arranged above the machine frame in a sliding mode, and the movable frame is connected with the rotating rollers in a sliding mode. An air cylinder is fixedly connected to the top end of the rack, an opening is formed in the top inner wall of the movable frame, the air cylinder penetrates through the opening, a connecting frame is fixedly connected to the end of a piston rod of the air cylinder, and the connecting frame is fixedly connected to the upper surface of the movable frame. The piston rod of the air cylinder stretches out and draws back to drive the connecting frame and the movable frame to move up and down, so that the distance between the rolling roller and the rotating roller is adjusted, the rolling roller is adjusted to a proper position according to the size and forming requirements of a pencil holder, and a pencil holder raw material can smoothly pass through the position between the rotating roller and the rolling roller and is rolled.
Owner:中国第一铅笔泗洪有限公司

Flue-cured tobacco seedling raising hole pressing roller cleaning device

The utility model discloses a flue-cured tobacco seedling raising hole pressing roller cleaning device, which comprises a hole pressing unit, which comprises a bearing conveying table, a hole pressing roller erected on the bearing conveying table, and a plurality of rows of hole pressing blocks formed on the hole pressing roller at intervals along the circumferential direction; the cleaning unit comprises a cleaning roller erected on the bearing conveying table, a brush arranged on the cleaning roller and a material receiving box arranged below the cleaning roller, and the brush is arranged to be in contact with the hole pressing roller. By arranging the cleaning roller, the brush and the material receiving box outside the hole pressing roller, the brush can clean the adhered matrix before and after hole pressing of the hole pressing roller, so that the hole pressing treatment effect is better, and the cleaned soil falls into the material receiving box, so that waste of the cleaned soil can be avoided, or the cleaned soil is prevented from being scattered on a seedling raising tray again.
Owner:GUIZHOU TOBACCO CO LIUPANSHUI CO

Solid electrolyte-electrode assembly, methods for making, and an all-solid-state battery thereof

A solid electrolyte-electrode assembly, as well as an all-solid-state battery including the assembly are described. For instance, a solid electrolyte-cathode assembly can be formed by co-rolling a plurality of cathode particles and a plurality of solid electrolyte particles, which results in the simultaneous production of the assembly and makes it possible to achieve improved interface resistance between the electrolyte membrane and electrode to improve battery performance. Also, the resulting electrolyte can be thin, which improves the energy density, while also maintaining excellent strength by using an electrode as a support.
Owner:LG ENERGY SOLUTION LTD +1

Double-roller equipment for solid-state battery pole piece

The utility model relates to the field of battery manufacturing, in particular to double-roller equipment for a solid-state battery pole piece, which comprises a feeding assembly, a double-roller assembly, a receiving assembly, a first tray and a second tray, the solid-state battery pole piece in the first tray is fed into the roller assembly through the feeding assembly, the solid-state battery pole piece is rolled through the roller assembly, and the rolled solid-state battery pole piece is contained in the second tray through the receiving assembly. Moreover, the guide rollers can ensure that the solid-state battery pole piece has certain tension and is kept flat when being fed into the roller assembly, so that the thinned solid-state battery pole piece does not have wrinkles, a better rolling effect is achieved, the rolling efficiency is improved, and continuous production is realized.
Owner:HIGH ENERGY DIGITAL MFG (XIAN) TECH CO LTD

Adjustable hygienic product embossing device

The utility model discloses an adjustable hygienic product embossing device, and relates to the technical field of hygienic product embossing. The first motor drives the driving wheel to rotate so as to drive the toothed chain to rotate on the two supporting wheels, the toothed chain drives the driven wheel of the moving assembly to rotate, the driven wheel is fixedly connected with the threaded column, the threaded column is driven by the driven wheel to rotate and moves on the supporting plate at the same time, and finally the second motor and the auxiliary part are driven to move. And the distance between the knurling wheel and the auxiliary wheel is further adjusted. The distance between the knurling wheel and the auxiliary wheel can be flexibly adjusted according to the thickness of a hygienic product material, a production line does not need to be frequently replaced, and the production efficiency is improved.
Owner:BAODING RUWEI ENERGY SOURCES TECH CO LTD

A multi-roll calender for processing active material onto a coating carrier and method thereof

The present disclosure provides a multi-roll calender configured to processing material onto a coating. In particular, the present disclosure provides a multi-roll calender and method with a first roll and a second roll configured to form a first nip, wherein the first roll and the second roll laminate a first film on a first side of a foil in the first nip. The system and method may comprise a third roll and a fourth roll configured to form a second nip between the third roll and the fourth roll, wherein the third roll and the fourth roll laminate a second film on a second side of the foil in the second nip.
Owner:MATTHEWS INTERNATIONAL GMBH

Method and system for preparing dry film, dry film and battery comprising dry film

The invention relates to a method for preparing a dry film, a system for preparing the dry film, the dry film and a battery comprising the dry film. The method and the system are characterized in that at least two processing devices are used, which are respectively arranged relative to the outer section of the carrier roller in a direction perpendicular to the axis of rotation of the carrier roller, where the at least two processing devices are adapted to remove a region of the dry film mounted on the carrier roller and on the outer section of the carrier roller. The method and system can provide segmented strip-shaped dry films with high edge accuracy in a fast and energy-saving manner.
Owner:FRAUNHOFER GESELLSCHAFT ZUR FORDERUNG DER ANGEWANDTEN FORSCHUNG EV

Multi-roller rolling device for dry-method electrode

The utility model relates to the technical field of rolling equipment, in particular to a multi-roller rolling device for a dry electrode, which comprises a base and a rack, and further comprises a rolling structure, a roller spacing adjusting structure, a detection structure, an edge cutting structure and a winding structure which are arranged on the rack, the rolling structure comprises a first pressing roller, a second pressing roller and a third pressing roller which are sequentially arranged, and the heights of the pressing rollers are sequentially reduced so that the pressing rollers can be obliquely arranged. The third pressing roller is provided with a supporting assembly, and the supporting assembly comprises a plurality of traction rollers rotating on the rack and a supporting belt; the roller spacing adjusting structure comprises a first adjusting assembly used for driving the first pressing roller and a second adjusting assembly used for driving the third pressing roller. The detection structure comprises a thickness detector facing the supporting belt. The inclined compression roller enables the powder material to be subjected to component force in the inclination direction of the roller surface, so that the motion trail of dry powder is changed to prevent the dry powder from vertically falling off, the roller spacing adjusting structure drives the compression roller according to the electrode thickness to adjust the roller spacing, and the consistency and the yield of products are improved.
Owner:广东鹏锦智能装备股份有限公司

Pole piece thickness control method and device

The invention provides a pole piece thickness control method and device, and the method comprises the steps: inputting a flatness scanning image of a pole piece into a preset appearance detection model, and obtaining a flatness feature parameter of the pole piece; calculating rolling parameters according to the flatness characteristic parameters; and controlling rolling equipment to roll the pole piece according to the rolling parameter set.
Owner:DONGGUAN HAIYU BAITE INTELLIGENT EQUIP CO LTD

Extrusion roller

The utility model relates to the technical field of extrusion rollers, in particular to an extrusion roller. According to the technical scheme, the device comprises a bottom plate, a sliding groove is formed in the top face of the bottom plate, a first rotating motor is arranged on the left side of the bottom plate, the output end of the first rotating motor penetrates and extends into the sliding groove and is provided with a first screw rod, and the outer ring of the right end of the first screw rod is in threaded connection with a threaded block; vertical plates are arranged on the top face of the threaded block and the top face of the bottom plate correspondingly, first rotating discs are rotationally arranged on the sides, close to each other, of the two vertical plates correspondingly, and first clamping grooves are formed in the sides, close to each other, of the two first rotating discs correspondingly. By arranging the first rotating motor, the second rotating motor, the second rotating disc and the second clamping block, the lower extrusion roller and the upper extrusion roller can be replaced conveniently and rapidly, the distance between the lower extrusion roller and the upper extrusion roller can be adjusted without shutdown by arranging the hollow motor to the adjusting plate, practicability is improved, and the practicability is high. Unnecessary production cost and shutdown time are reduced, and production efficiency is improved.
Owner:YANGZHOU HUASHENG WELDING TUBE EQUIP CO LTD

Method and apparatus for manufacturing electrode

A method for manufacturing an electrode according to the present disclosure includes an electrode film manufacturing step of manufacturing a sheet-like electrode film by passing a powder-type mixture between sheeting rollers and supplying the electrode film at a predetermined speed; an electrode manufacturing step of additionally feeding an electrode foil, and manufacturing an electrode by passing between the rolling rollers in a state where the electrode film and the electrode foil are laminated and bonding them to each other; a rolling roller control step of sensing the thickness of the electrode before the electrode is recovered and controlling the gap size between the rolling rollers and the rotational speed of the rolling rollers; and a feedback control step of feedback controlling the electrode film manufacturing step so that the thickness and supply speed of the electrode film are adjusted in accordance with the gap size between the rolling rollers or the rotational speed of the rolling rollers. The manufacturing method according to the present disclosure may suppress the occurrence of wrinkles in the electrode.
Owner:LG ENERGY SOLUTION LTD

Air extruder special for motorcycle cushion production

The utility model belongs to the technical field of material processing, and discloses a special air extruder for motorcycle cushion production, which comprises a shell and a conveyor belt, the conveyor belt is connected to the inner end of the shell, the inner wall of the shell is rotatably connected with a support, and the inner end of the support is rotatably connected with a plurality of extrusion rollers. According to the scheme, through the arrangement of the brush roller, foam adsorbed on the conveying belt can be cleaned in time, it is avoided that the foam stays on the surface of the conveying belt for a long time, convenience is brought to cleaning work of a user, and the cleaning efficiency is improved. The foam cleaning device has the advantages that long-term stable operation of the foam cleaning device is guaranteed, foam is prevented from being retained on the brush roller by the aid of the retaining rods, the cleaning period of the brush roller is effectively prolonged, the cleaning effect is further improved, the cleaned foam is uniformly collected by the collecting box, and a user can conveniently and regularly process the foam in a centralized manner.
Owner:CHONGQING FENGYIN IND & TRADE CO LTD

Cooling and shaping device for gastrodia elata food processing

The utility model relates to the related technical field of food cooling and shaping, in particular to a cooling and shaping device for gastrodia elata food processing, which comprises a support, a protective shell is fixedly connected to the upper surface of the support, and a compaction mechanism is arranged on the surface of one side of the protective shell. According to the cooling and shaping device for gastrodia elata food processing, by arranging the air inlet, the fan, the motor, the driving wheel, the crawler belt, the driven wheel, a pressing shaft, a drawer and a feeding port, gastrodia elata food is put into the feeding port, the gastrodia elata food is conveyed to the position above the conveying belt through the feeding port, and the gastrodia elata food is conveyed to the position above the conveying belt through driving of the motor in cooperation with the driving wheel and the driven wheel; the gastrodia elata food is pressed and shaped through the pressing shaft, the gastrodia elata food is physically cooled through the effect of the fan, air can enter and exit from the air inlet, in the pressing and shaping process, impurities of the gastrodia elata food may fall off, and residues falling off from the gastrodia elata food can be collected through the net above the drawer.
Owner:贵州基裕生物科技有限公司

Electrode plate manufacturing system and battery manufacturing method

The invention provides an electrode sheet manufacturing system and a battery manufacturing method using the electrode sheet manufacturing system. The electrode sheet manufacturing system can raise the temperature of an electrode body without raising the space temperature and can homogenize the thickness of the electrode body after pressurization. The electrode sheet manufacturing system according to the present invention produces an electrode sheet by pressurizing an electrode body, the electrode sheet manufacturing system being provided with: an irradiation mechanism that irradiates the electrode body with laser light to raise the temperature of the electrode body; and a pressing mechanism that presses the electrode body heated by the irradiation mechanism to produce an electrode sheet.
Owner:TOYOTA JIDOSHA KK

Systems and methods for manufacturing electrodes using increased roll size gradients

A system and method for manufacturing an electrode sheet. The system includes a plurality of sets of rollers having an increased diameter gradient to calender an active material film having an initial thickness to a predetermined production thickness. When the active material film is rolled by a plurality of sets of rollers, the initial thickness decreases continuously. The plurality of sets of rollers include a first set of rollers and a second set of rollers disposed immediately downstream of the first set of rollers. The first set of rollers includes a first roller radius, and the second set of rollers includes a second roller radius greater than the first roller radius. The first set of rollers includes a first gap between adjacent rollers, and the second set of rollers includes a second gap between adjacent rollers, where the second gap is equal to or less than the first gap.
Owner:GM GLOBAL TECHNOLOGY OPERATIONS LLC

Electrode groove forming device and secondary battery formed thereby

An electrode groove forming device according to the present invention comprises: a roller body which forms an electrode groove in an electrode and is formed to be rotatable; a stage which supports the electrode; and protrusions protruding from extension start points on the roller body, wherein the protrusions each have a portion having a certain angle with respect to a virtual line extending from the center of the roller body toward the extension start point.
Owner:LG ENERGY SOLUTION LTD

Plastic material production equipment

The utility model discloses plastic material production equipment, relates to the technical field of positive and negative electrode material preparation equipment, and aims to solve the problem of structural regulation and control of the conventional positive and negative electrode material preparation. Comprising a box body and a cylinder body, the box body is communicated with the cylinder body through an adapter, and heating assemblies for heating the interiors of the box body and the cylinder body are arranged on the box body and the cylinder body; a feeding port communicated with the interior of the box body is formed in the box body, a conveying belt is further arranged in the box body, the conveying belt is driven by a conveying motor, a roller column is further arranged in the box body, the roller column is of a composite structure, and the roller column is arranged above the conveying belt and rolls materials on the conveying belt. The two ends of the cylinder body are rotationally connected with the adapter and the discharging port respectively, the cylinder body is driven by the driving mechanism, the discharging port is formed in the supporting seat, and an inner wall threaded groove is formed in the inner wall of the cylinder body. And meanwhile, the productivity is also improved.
Owner:NINGBO DIGITAL TWIN (EASTERN UNIV OF TECH) RES INST +1

Two-roller pressing and rolling machine with rapid rolled piece guide mechanism

The utility model relates to the technical field of two-roller pressing and rolling machines, and discloses a two-roller pressing and rolling machine with a rapid rolled piece guide mechanism, which comprises a base, a rack is arranged at the top end of the base, a screw-down mechanism is arranged at the top end of the rack, lubricating seats are arranged on two sides of the rack, adjusting holes are arranged at the front ends of the interiors of adjusting rods, and the adjusting holes are communicated with the base. And adjusting bolts are movably arranged in the adjusting holes and the fixing blocks. When the two-roller pressing and rolling machine is used for pressing and rolling materials, the adjusting rod, the fixing block, the guide seat and the like are arranged between the two groups of rollers, so that the materials can be guided to quickly and stably enter the rollers to be pressed and rolled according to a certain track; and when materials with different widths are encountered, the distance between the two sets of guide bases can be adjusted, the materials with different widths can be better guided and fed, the feeding efficiency is effectively improved, and therefore the pressing and rolling efficiency of the machine is also improved.
Owner:ANPING COUNTY RESEN SCREEN CO LTD

Roll press machine

A roll press rolls each including an upper roll and a lower roll that are supported by a main bearing at both ends and rotate at a predetermined speed, upper and lower bending bearings that are disposed outside each of the main bearings and correct deflection of the press rolls by receiving a bending load, an upper reverse operation bending mechanism provided in the upper roll that operates with hydraulic oil, a lower reverse operation bending mechanism provided in the lower roll, and two upper reverse operation bending mechanisms and two lower reverse operation bending mechanisms being installed in the upper and lower bending bearings, respectively. Deflection occurring in the upper roll and the lower roll is corrected by causing the upper reverse operation bending mechanism or the lower reverse operation bending mechanism to generate downward power or upward power, respectively.
Owner:HIATACHI POWER SOLUTIONS CO LTD