623 results about "Work roll" patented technology

The invention discloses a TC4 titanium alloy preformed blank, a TC4 titanium alloy plate with a full lamellar structure and a preparation method of the TC4 titanium alloy plate, and belongs to the technical field of titanium alloy machining. According to the method, TC4 alloy powder prepared through hydrogenation dehydrogenation and plasma rotating electrode atomization serves as a raw material, and a high-density binary structure preformed blank is prepared through a three-step type hot isostatic pressing technology; a pure titanium sheath is adopted for packaging, two-heating-number rolling is conducted through the sheath, and the plate shape is optimized through convexity design of a working roller and dynamic roller bending force control; and after rolling, solid solution and two-stage aging composite heat treatment are combined, the head and the tail are cut off, and the TC4 titanium alloy plate is obtained. The problem of tissue segregation of a traditional cast ingot is solved through powder metallurgy, the obdurability is improved, and the anisotropy is reduced; and meanwhile, the raw material cost is reduced, the production period is shortened, the yield is increased, the surface quality is improved, and a reliable scheme is provided for green and efficient preparation of high-performance titanium alloy plates in the aerospace field.

The invention relates to a method for calculating a rolling mill roll changing pressing position, and belongs to the technical field of rolling mill roll changing methods. According to the technical scheme, the method comprises the steps that CAD modeling is carried out, a constraint relation is established to simulate field reality, indication marking lines and a size relation are set, key parameter sizes are displayed in real time, related size links are established, data calculation and automatic correction are carried out through a set logic relation, and calculation and inspection of key parameters such as the rolling mill roll changing pressing position are completed. And meanwhile, a numerical value displayed on an operation interface is compared with a calculation result, and data is manually corrected. The method has the beneficial effects that key parameters such as an optimal screw-down position value can be displayed only by inputting diameter data by using the model when the supporting roll is replaced every time, so that the screw-down position corresponding to each set of supporting roll is suitable for working rolls in all diameter ranges, tedious calculation is avoided, and the method has the advantages of simplicity, rapidness, high calculation precision and the like, and is suitable for popularization and application. The method can effectively solve the problem of accurate calculation of the rolling mill roll change screw-down position.

The invention relates to the technical field of laser cladding repair, and provides a positioning and clamping system and method for repairing the surface of a large working roll of a steel mill based on laser cladding, a three-field coupling prediction model of a temperature field, a stress field and a displacement field is established, and a partial least squares regression algorithm is combined with a Kalman filter to realize multi-step prospective prediction. According to the predicted thermal deformation, self-adaptive compensation control is implemented through a three-layer cascade compensation mechanism composed of a hydraulic drive, a piezoelectric ceramic driver and a laser head adjusting mechanism. The system adopts a time domain, frequency domain and time-frequency domain joint analysis method to extract vibration characteristics, vibration types are classified and identified through a support vector machine, and an active-passive hybrid suppression strategy is adopted for different vibration sources. High-precision positioning and stable clamping of the large working roller in the laser cladding repairing process are achieved, and the thickness uniformity and the surface quality of a cladding layer are remarkably improved.

Disclosed in the present invention is an automatic disassembly and assembly device for work roll chocks, comprising a carriage base, wherein carriage linear guide rails are arranged on the upper surface of the carriage base, a roll transverse transfer vehicle is slidingly arranged on the carriage linear guide rails, work rolls are placed on the roll transverse transfer vehicle, a work roll chock is mounted at either end of each work roll, a carriage driving mechanism used for driving the roll transverse transfer vehicle to move along the carriage linear guide rails is mounted on the carriage base, and automatic disassembly and assembly structures used for disassembling and assembling the work roll chocks are symmetrically arranged on two sides of the carriage base. The roll transverse transfer vehicle is driven by the carriage driving mechanism to move on the carriage base and transfers the work rolls to the automatic disassembly and assembly structures, and the work roll chocks are disassembled and assembled by means of the automatic disassembly and assembly structures, which replaces conventional manual disassembly and assembly work, reduces the labor intensity of workers, greatly improves the efficiency of disassembling and assembling the chocks, and reduces the workload; additionally, the potential installation danger in the manual disassembly and assembly process is eliminated, and the production safety is guaranteed.

The invention discloses a working roll surface roughness forecasting method suitable for a hot galvanizing temper mill, and the method comprises the steps: building a working roll surface roughness forecasting model in combination with a field production working condition, and then building an optimization objective function; and solving the influence coefficient in the working roll surface roughness forecasting model through field actual production data by using a big data regression method, and finally obtaining the working roll surface roughness forecasting model conforming to the hot galvanizing temper mill. According to the method, the surface roughness change of the working roller of the hot-galvanized strip steel temper mill is analyzed, the method suitable for forecasting the surface roughness of the working roller of the hot-galvanized temper mill is established, the surface roughness of the working roller in the hot-galvanized strip steel temper mill is calculated, and the surface quality of finished strip steel is improved.

The present invention belongs to the technical field of non-oriented silicon steel production and discloses a method for improving the cold-rolled edge quality of high-grade non-oriented silicon steel burr coils. The method comprises: cold rolling using a multi-stand continuous rolling mill or a single-stand reversible rolling mill for 5 to 7 rolling passes, controlling the flatness of the plate after the first, second, and final rolling passes to meet a specific formula; in addition, the rolling speed of the first pass, the emulsion flow rate of the first and second passes, and the original roughness of the mill work rolls can be further controlled. The present invention achieves the purpose of controlling rolled edge cracks and reducing edge waves by adopting a large edge wave rolling mode and adjusting the rolling speed, emulsion flow rate, and the original roughness of the work rolls, thereby achieving optimal cold-rolled edge quality of the burr coils and improving production efficiency and product yield.

The invention provides a working roll capable of reducing the transverse thickness difference of cold-rolled strip steel and a working method, and relates to the technical field of cold rolling process.The middle position of a roll body of the working roll is provided with roll convexity, symmetrical strip steel edge thinning areas are arranged at the positions, corresponding to the two side edges of the strip steel, of the roll body, and small-diameter areas are formed; the diameter of the roller body corresponding to the strip steel edge thinning area is smaller than the diameter of the roller convexity in the middle of the roller body; wherein the strip steel edge thinning area is an extension area of the part of the strip steel width and the edge of the strip steel in the width direction and is used for counteracting the thickness difference caused by too high rolling pressure of the edge of the strip steel in the rolling process. According to the method, rolling mill equipment and rollers do not need to be transformed, and roller consumption of the rollers is not increased. The roll shape can be achieved through grinding of a grinding machine, and the transverse thickness difference of strip steel is smaller than 0.0068 mm.

The invention relates to a genetic sectional type calibration method for a plate and strip finish rolling continuous mill. The first-time working roll changing calibration is used for finding out the zero-adjustment rolling force deviation during calibration; the second-time working roller replacement calibration is used for following the zero-adjustment rolling force deviation found by the first-time working roller replacement; the method from the third time of work roll changing calibration to the nth time of work roll changing calibration is the same as the second time of work roll changing calibration. The method has the advantages that the heredity means that when a first block is rolled after a new working roll is replaced within a supporting roll period, the rolling force deviations of the same steel type are the same, the roll gap deviation adjustment coefficients of all the racks are different in segmented adjustment, and the segmented adjustment coefficients are adopted according to the rolling thickness; the accidents that zero roll gap calibration of a rolling mill is not accurate due to replacement of a supporting roll and a working roll of a finish rolling and continuous rolling unit, and steel is clamped due to the fact that the head of a first block is laterally bent and folded in a large direction during roll replacement rolling are eliminated, the rolling success rate and the rolling efficiency after roll replacement of the rolling mill are improved, and a favorable guarantee is provided for smooth rolling.

The invention discloses a calculation method for edge thinning of a medium-thickness rolled steel plate. The method comprises the following steps: collecting equipment parameters of a rolling mill and rolling process parameters of a rolled piece; constructing a roll system elastic deformation model, a roll thermal crown model and a roll wear model, and combining to construct a comprehensive roll gap computer mechanical model; finite element simulation, actual measurement data, a mechanism model and a machine learning model are used for accurately predicting the edge thinning of the medium-thickness plate, the outlet plate thickness distribution of each steel plate after each finish rolling pass can be predicted, the corresponding edge thinning amount is given according to different edge positions, and the accuracy of edge thinning prediction is improved. The method is used for guiding an on-site operator to adjust rolling process parameters in time, a working roll changing plan and a rolling plan are arranged more reasonably, and the rolling capacity of medium and thick plates in a steel mill is improved.

The invention provides a bidirectional variable-curvature special-shaped barrel roll bending forming method and system and electronic equipment, and belongs to the technical field of roll bending forming. The method comprises the steps that a working roll displacement expression of roll bending equipment is determined based on shape parameters of the roll bending equipment and material performance parameters of a plate; the roll bending equipment comprises a working roll and a servo motor; the working roll comprises a convex upper roll, a concave lower roll and a concave side roll which are meshed to form a variable-curvature forming surface; determining a displacement parameter of the working roll based on the plate thickness parameter and the working roll displacement expression; the displacement parameters are input into the trained network model to obtain servo motor control parameters, the servo motor control parameters are input into a PI controller, a servo motor is controlled, and a working roller is driven to move to conduct roller bending forming on the plate; the network model is obtained based on WNN neural network training. According to the method, the problems of low machining efficiency and low forming precision of a bidirectional variable-curvature special-shaped barrel roll bending forming method can be solved.

The invention discloses a high-performance wide precision zirconium alloy strip as well as a preparation method and application thereof. By strictly controlling the content of key elements in the zirconium alloy raw material and the structure before cold rolling, the deformation resistance is reduced, and the processing plasticity is improved; the material, the roll shape curve and the surface quality of a cold rolling working roll suitable for cold rolling of the zirconium alloy strip are strictly controlled, the rolling stability is improved, the strip thickness-rolling parameter matching relation is established in stages, the pass deformation is improved, and work hardening is reduced; small-angle oblique welding seam tailor-welding is adopted, so that welding seams sequentially pass through a rolling deformation area, the average unit pressure of the welding seams is reduced, welding seam cracking is reduced, tailor-welding coiling cold rolling stable control over the wide precision zirconium alloy strip is achieved, and machining of the precision strip with the width larger than or equal to 500 mm and the thickness smaller than or equal to 0.2 mm can be achieved.

The invention discloses equipment and a method for customizing front and back morphology structures of an invar alloy ultra-thin strip, and belongs to the field of invar alloy ultra-thin strip processing. The equipment comprises a working roller with differentiated surface topography, a first middle roller with a polyurethane-based organic material coating layer, an ultrasonic clamping device, an integrated tension weighting control system and a central control unit. By configuring different surface roughness of the upper working roll and the lower working roll and combining stable transverse pressure stress and axial ultrasonic vibration provided by the first middle roll, asymmetric plastic flow and shape copying of metal on the front face and the back face of the strip are achieved. In the rolling process, plate shape defects caused by friction differences are dynamically compensated by cooperatively adjusting the roll shifting amount of the first intermediate roll and the convexity of the backing roll saddle, finally, customized production of the 4J36 invar alloy ultra-thin strip with the thickness of 15 microns is achieved, the A face and the B face of the strip have different surface roughness, and the surface roughness of the strip is greatly improved. And the specific requirement of a fine metal mask plate pore-forming process on the surface state of the base material is met.

The present invention discloses a control method for the peak number of surface roughness in the rolling of EDT automotive sheets by a six-high aluminum cold rolling mill, including the following: (1) using a six-high HC cold rolling mill with Ф480mm / Ф560mm / Ф1300mm*2050mm; (2) roughening the rolls: after roughening, the surface roughness of the rolls is Ra: 1.9 - 2.4μm, and Rpc: 100 - 120 / cm; (3) calibrating the rolling force at 1000 - 3000 KN with the roll gap close to zero, and calibrating the bending force of the work roll Fwb and the intermediate roll FImb to be 15% - 30%; (4) adopting a rolling force control mode. The present invention can effectively improve the peak number and reduce the production cost; the product quality of automotive sheets has been significantly improved.

The invention relates to a forging method for a working roll of a large aluminum plate rolling mill, belongs to the technical field of forging processes, and solves the problems of low steel ingot utilization rate, easiness in surface cracking, defects in the core of a steel ingot and the like in the forging process of similar products in the prior art. The invention provides a forging method for a working roll of a large aluminum plate rolling mill. The forging method comprises the steps of heat treatment, pre-drawing, upsetting, first-time drawing, second-time drawing and the like. According to the forging method, the problem of surface cracking in the electroslag ingot surface slag runner forging process can be effectively solved, meanwhile, by setting the reasonable pre-drawing ratio, upsetting ratio and drawing-out ratio and adding uniform diffusion before the heating number of upsetting and drawing-out compaction, the purpose of compacting the steel ingot core defect is achieved, organization preparation is provided for subsequent heat treatment, and the quality of the steel ingot core is improved. And the produced aluminum plate rolling mill working roll is excellent in performance, and is particularly suitable for forging production of large aluminum plate rolling mill working rolls with relatively strict quality requirements.

The utility model provides a working roller axial moving device and a rolling mill, comprising a hydraulic sleeve connected with the rolling mill; the piston is mounted on the inner side of the hydraulic sleeve; the sliding sleeve is installed on the outer side of the hydraulic sleeve, the sliding sleeve is connected with the piston, and a first boss is arranged on the outer side of the sliding sleeve; the rotating sleeve is rotationally connected to the outer side of the sliding sleeve, a second boss is arranged on the rotating sleeve, and a driving groove is formed between the second boss and the first boss; and the driving assembly is used for driving the rotating sleeve to rotate. The mounting seat has the advantages that the mounting seat is compact in structure and can be mounted on the operation side of the rolling mill, the second boss can be matched with the first boss to limit the driving boss by rotating the rotating sleeve and moving the second boss, and the mounting seat can be conveniently detached and maintained in the later period.

The utility model discloses a cold-rolling mill working roll changing device which comprises a base, a cold-rolling mill body arranged on the right side of the base, an outer shaft arranged on the right side of the cold-rolling mill body, a first-stage rotating shaft arranged in the middle of the right side of the outer shaft, and a roll changing assembly arranged on the outer side of the first-stage rotating shaft. A roll changing opening is formed in the left side of the top of the roll changing assembly, a hooping sleeve is arranged on the right side of the roll changing opening, a hooping ring at the tail end of the right side of the hooping sleeve further fixes or adjusts the position of the hooping sleeve, and the inclined upward structural design of a clamping block adapts to different working conditions or provides better stability; the telescopic hole in the bottom of the clamping block allows the clamping block to have a certain moving space in the vertical direction, so that the clamping block can adapt to different working environments and requirements, flexibility and stability can be provided through the design, and the equipment can better adapt to different requirements and environment changes in the working process.

The invention discloses a method for improving the same-plate difference of non-oriented silicon steel through multi-process coordinated regulation and control. The method comprises the following steps: cooperatively controlling the following key process parameters: 1) hot continuous rolling process control: plate shape target control; width control; configuring and grinding a roller; a roller changing period; (2) five-rack acid continuous rolling procedure control: roller configuration; grinding the roller; and roll bending force control is conducted, specifically, the roll bending force of working rolls of all the racks is set to be 320 + / -20 kN for the rack S1, 330 + / -20 kN for the rack S2, 330 + / -20 kN for the rack S3, 330 + / -20 kN for the rack S4 and 330 + / -20 kN for the rack S5, an automatic mode is adopted, and dynamic adjustment is conducted according to feedback of a real-time strip shape instrument. According to the method, key process parameters in the whole hot rolling and cold rolling process are accurately controlled, the synergistic effect is formed, the transverse thickness uniformity of the strip steel is fundamentally improved, and therefore the high-quality non-oriented silicon steel product with the extremely small same-plate difference is obtained.

To provide a plate thickness control device of a tandem rolling mill that can suppress the influence of eccentricity of a work roll and achieve high-precision control of the outlet side plate thickness of a final stand even when a plate thickness gauge is not installed on the inlet side of the final stand.SOLUTION: A plate thickness control device includes a mass flow plate thickness calculation unit and a final stand plate thickness control unit. The mass flow plate thickness calculation unit calculates the mass flow plate thickness at the outlet side of a preceding stand using the inlet side plate thickness actual value measured by an inlet side plate thickness gauge installed on the inlet side of the preceding stand arranged immediately before the final stand, the inlet side plate speed actual value measured by an inlet side plate speed meter arranged on the inlet side of the preceding stand, and the outlet side plate speed actual value measured by an outlet side plate speed meter arranged on the outlet side of the preceding stand. The final stand plate thickness control unit performs feedforward AGC for the final stand using the mass flow plate thickness calculated by the mass flow plate thickness calculation unit.SELECTED DRAWING: Figure 1

A splash-proof mechanism of an upper working roller for aluminum coil cold rolling comprises the upper working roller rotationally supported on a cold rolling rack, the two ends of the upper working roller are cone sections, the small-diameter ends of the cone sections face the cold rolling rack, two connecting plates extending in an arc shape are fixedly arranged on the cold rolling rack and correspond to the two ends of the upper working roller respectively, and the two ends of the upper working roller are connected with the cone sections. An oil baffle is fixedly arranged on each connecting plate and is bent in an arc shape, the circle where the oil baffle is located is concentric with the circle where the upper working roller is located, one side of the oil baffle bent in the arc shape is flush with the inner wall of the corresponding side of the cold rolling rack, and the other side of the oil baffle bent in the arc shape extends to the large-diameter end of the cone section at the corresponding end of the upper working roller; the starting end of the oil baffle is located on the discharging side of the upper working roller and corresponds to the bottom of the upper working roller, and the stopping end of the oil baffle extends in the rotating direction of the upper working roller and corresponds to the top of the upper working roller. The cold rolling oil recycling device is simple in structure, low in modification cost, capable of effectively preventing cold rolling oil from splashing out of cold rolling equipment, beneficial to cold rolling oil recycling and capable of avoiding pollution.

The utility model relates to the technical field of rolling mills, and discloses four-roller rolling mill equipment with a roller surface lubricating device, which comprises a transverse plate, two vertical plates are symmetrically and fixedly connected to the upper surface of the transverse plate, and two supporting rollers are rotatably connected between the two vertical plates in a penetrating manner from top to bottom. Two working rollers are rotatably connected between the two vertical plates and the two supporting rollers in a penetrating mode from top to bottom, and a damping mechanism is arranged outside the transverse plate. A lubricating mechanism is arranged in front of the two vertical plates on the upper surface of the transverse plate; by arranging the damping mechanism, looseness and fatigue damage of parts caused by vibration are remarkably reduced, so that the service life of equipment is prolonged, the lubricating mechanism realizes efficient and uniform coating on the surface of the working roller, rolling friction force is reduced, roller surface abrasion and workpiece surface scratches are reduced, and the service life of the equipment is prolonged. And the roller surface temperature is effectively controlled through the cooling effect of the lubricating oil, and roller surface damage caused by local overheating is avoided.

The automatic roll gap control system comprises the roller mill and a PLC (Programmable Logic Controller), a steady flow bin is arranged at the top of the roller mill, a level gage for metering the material quantity in the current bin is arranged in the steady flow bin, a material flow adjusting device with an adjustable opening degree is arranged at an inlet of the roller mill at the bottom of the steady flow bin, and the PLC is connected with the material flow adjusting device. The material flow adjusting device is further provided with an opening degree detecting device in a matched mode and further comprises a frequency converter for controlling an extrusion roller motor of the roller mill, and the PLC is electrically connected with all electric devices. According to the utility model, the working roll gap of the roller mill can be manually set, the rotating speed of the motor is automatically changed according to the change of the upstream incoming material quantity, the roll gap is kept stable at a set value, and a user can enable the roller mill to operate at the optimal power consumption roll gap or the maximum yield roll gap according to the production requirements.

The utility model discloses a novel cold rolling mill working roll bending device which comprises a fixing frame and bending rolls, the fixing frame is installed on the left side of the upper end of a bottom frame, the two bending rolls which are placed up and down are arranged between the left end and the right end of the inner wall of the fixing frame, and the two bending rolls are used for extruding a plate for shaping. Two guide blocks are arranged on the front side of the fixing frame, fixing rods are arranged on the left side and the right side of the front end of the fixing frame, cross rods are arranged on the front sides of the two fixing rods, the two cross rods are fixedly connected with the guide blocks, fixing grooves are formed in the opposite face sides of the two guide blocks, and the fixing grooves are used for clamping plates. The edge of the plate is clamped in the guide block fixing groove to be fixedly conveyed, so that the situation that the thickness of the machined plate is uneven due to the fact that the plate drives the position of the plate above to deviate when the plate falls can be prevented, the plate can be helped to keep the stable position in the cold rolling process, deformation generated in the cold rolling process can be reduced, and the product quality is guaranteed.

According to the off-line brush roll adjusting device and method, an upper working roll assembly and a lower working roll assembly are placed in a containing groove of an overturning frame body, then the overturning frame body and the working roll assemblies are driven by a driving device to rotate to adjust the angle, and a working roll is pressed against the position, close to a brush roll, of a working roll bearing seat under the action of gravity; and then the brush roll is driven by the hydraulic motor of the brush roll, the gap is eliminated, the brush roll does not need to be adjusted on line, the operation is simple, the adjusting time is shortened, the working efficiency is improved, and the labor burden of workers is greatly relieved. According to the invention, the real state of the working roll and the brush roll during working can be simulated in an off-line manner. When the overturning oil cylinder extends out, the overturning frame body is horizontal, and at the moment, the working roll device can be hoisted. After hoisting is completed, the overturning oil cylinder retracts, the working roller device is overturned by 20 degrees on the overturning frame, the working roller is completely attached to the bearing seat under the action of gravity, the bearing backlash is eliminated, and the real working condition is simulated.

The application discloses a kind of work roll box grinding full-automatic overturning and supporting system, belong to machine tool technical field, comprising: support seat first base is set on common base, sliding component is set on first base, support seat second base and sliding component sliding connection, second base drive component is set on support seat first base, bearing box support is set on support seat second base, support seat detection component is set on support seat first base;Lifting assembly is set on positioning support, roll support is set on lifting assembly, soft landing detection component is set on positioning support;Guide rail shell is set on common base, box turning drive component is set on guide rail shell, box turning support is set on arc-shaped overturning gear, box turning detection component is set on guide rail shell.The application can avoid the various interference that occurs during work roll box grinding action process overturning roll box.

This invention provides a fully automatic cold rolling equipment for producing copper strip, belonging to the technical field of fully automatic cold rolling equipment for producing copper strip. It includes: a main body, mounting plates, mounting frames, a cleaner, a waste trough, and an electric cylinder. Mounting plates are respectively installed on the upper and lower front sides of the main body. Mounting frames are installed on the inner sides of each mounting plate. Electric cylinders are installed on the front sides of each mounting frame. A cleaner is installed on the rear side of each mounting frame. The cleaner consists of a felt layer and a fiber cloth layer. A waste trough is installed on the inner side of each mounting frame. The cleaner, driven by the electric cylinder, presses against the roller surface from the side of the work roll end. The felt layer scrapes off large copper shavings, the fiber cloth layer cleans residual oil, and the waste trough collects the waste material. This system is interlocked with the main drive motor, achieving automatic online cleaning without stopping the machine. This effectively improves the surface quality of the copper strip and production efficiency. The structure is compact and easy to install and modify on existing equipment.

The invention relates to a working roll for rolling metal products, in particular for rolling metal strips, comprising: a metal matrix; and a wear-resistant protective layer at least partially arranged on the base body, the wear-resistant protective layer being a thermally sprayed protective layer; wherein the particle size of the wear-resistant protective layer is less than or equal to 50 m, preferably less than or equal to 45 m, particularly preferably less than or equal to 30 m or less than or equal to 20 m.

The utility model relates to the technical field of cold roll heat treatment, in particular to a novel cold-rolled working roll heat treatment device which comprises a tempering furnace, a furnace door, a heat exchanger and a heat exchanger, a mounting structure is mounted on the inner side of the tempering furnace, the mounting structure comprises a fixing column, the fixing column is fixedly mounted on the inner wall of the tempering furnace, a sliding block is slidably mounted on the fixing column, and a positioning groove is formed in the top surface of the sliding block; a collecting structure is installed on the front face of the tempering furnace and comprises a fixing frame, and the fixing frame is fixedly installed at the lower end of the front face of the tempering furnace. The positioning groove is formed in the top face of the sliding block, during use, a cold roller can be vertically placed into the positioning groove, convenient installation of the cold roller on the sliding block is achieved, the positioning groove is of a V-shaped structure, the installation requirements of the cold rollers with different diameters can be met, meanwhile, the cold roller can be prevented from shaking on the sliding block, and the service life of the cold roller is prolonged. And the use experience of the device is improved.

The utility model relates to the technical field of bearing box discloses a kind of finishing mill work roll bearing box end cover, including the end cover body of being movably installed on bearing box ontology, the end cover body is installed on bearing box ontology by bolt ontology, the side of the end cover body close to bearing box ontology is provided with alignment component and sealing rubber ring, the alignment component is evenly set on end cover body;In the utility model, by setting alignment component, in the process of end cover body installation to the side of bearing box ontology, it is convenient for staff to temporarily fix end cover body in the side of bearing box ontology, avoid needing staff to manually fix end cover body, simultaneously avoid the end cover body deviation leads to needing to adjust position again, speed up the efficiency of installation.

The invention belongs to the field of hot continuous rolling strip steel production processes, and particularly relates to a process lubricating method for a hot continuous rolling unit in the rolling process, which comprises the following steps of: determining a process lubricating oil proportion of each rack; collecting a head and tail cutting signal of a flying shear and an on-load signal of a rolling mill, and preparing an oil-water mixture based on the proportion of process lubricating oil; after an on-load signal of the F1 is triggered, an oil-water mixture is sprayed to a supporting roller of the F1, and the rotating supporting roller transmits the oil-water mixture to a working roller in contact with the supporting roller; after the on-load signals of F2, F3 and F4 are triggered, delaying for first preset time, and spraying an oil-water mixture onto a working roller of a rack; after an on-load signal of the F5 is triggered, delaying a second preset time and spraying an oil-water mixture onto a working roller of the F5; and when a tail cutting signal of the flying shear is triggered, the hot rolling oil valve is closed, and the oil-water mixture injection valve is closed after a third preset time is delayed after the tail cutting signal is triggered. The problem of slipping of the first rolling mill is completely eradicated.