279 results about "Shape control" patented technology

A control device of a processing machine controls a first drive source based on detection values from a first sensor so that a reference workpiece other than a workpiece is processed from a first direction by a tool into a prescribed target shape. The control device measures a shape of the reference workpiece based on a detection value from the first sensor at the time when contact in the first direction of a touch sensor with the processed reference workpiece by the touch sensor. The control device specifies a first deviation amount of a position of the tool in the X-direction based on a deviation amount in the first direction between the target shape and the measured shape, and corrects control for processing the workpiece based on the specified first deviation amount.

The invention relates to an intelligent method for controlling the shape of a fiber flexible body in the operation process, and belongs to the field of flexible body shape control. The method comprises the steps that point cloud data of a fiber flexible body and pose data of a manipulator tail end clamp holder are obtained; inputting the trained PIGNN model, and outputting shape prediction of the fiber flexible body; and a model prediction control method is adopted to calculate a motion track required by the mechanical arm, so that the mechanical arm controls the fiber flexible body to reach a target shape position. According to the method, the shape change predicted through the PIGNN model strictly follows the mechanical law of a fiber flexible body material, and the consistency and reliability of the optical fiber sensor can be greatly improved; model prediction control can predict and dynamically adjust the track of a mechanical arm in real time according to the shape, the processing requirements of optical fibers of different specifications are flexibly adapted, physical constraint and data driving are combined, so that the system can quickly adapt to a new scene, and a core technical foundation is laid for large-scale and high-precision application of an optical fiber sensor.

The invention discloses a section shape control method applied to a three-dimensional inward-turning adjustable air inlet channel, and belongs to the field of air inlet channel molded surface pneumatic design, and the method comprises the following steps: step 1, optimization design of an inward-turning reference flow field; based on a given incoming flow design working condition, a preliminarily optimized inward rotation reference flow field is obtained; 2, optimization design of the profile of the inward-rotation adjustable air inlet channel is carried out; an inlet capture molded line and an adjustable section control constraint of the air inlet are given, and the inward turning air inlet meeting the requirement is obtained through streamline tracking in the inward turning reference flow field in the first step by combining an optimization tool and utilizing an optimization algorithm; 3, profile adjustment design is conducted, specifically, profile adjustment design is conducted at the position of a set rotating shaft straight line on the basis of the inward rotating air inlet channel generated in the step 2; according to the scheme, the inward rotation air inlet channel generated directly through streamline tracking has the characteristic that the section molded line is approximately a straight line at the specified section, and the problem that in the prior art, an original streamline tracking molded surface needs to be changed to be matched with adjustable design is solved.

An agricultural baler (10) includes a pickup unit (16) comprising at least one rotatable reel (18) for introducing crop material into a baling chamber (22) of the baler (10). A variable speed drive system (200) rotates the at least one reel (18). A sensor (220) senses a shape of a bale being formed within the baling chamber (22) of the baler (10). A controller (34) adjusts a shape of the bale based upon the sensed shape of the bale by adjusting a speed of the variable speed drive system (200).

The utility model discloses a high-temperature fretting fatigue testing device, which belongs to the technical field of tenon connection structure testing and comprises an upper clamp and a lower clamp which are used for fixing a tenon sample and applying acting force to the tenon sample, and a digital integrated circuit (DIC) camera used for observing material deformation and crack progress of the tenon sample, a micro-motion cushion block used for supporting a tenon sample is arranged in the upper clamp, the upper clamp is sleeved with an electromagnetic induction coil, the electromagnetic induction coil is located at the contact area of the tenon sample and the micro-motion cushion block, an observation window is arranged between every two adjacent turns of coils of the electromagnetic induction coil, and the DIC camera faces the observation window and is as high as the observation window; the observation window is reserved between the two turns of coils, and the material deformation and crack initiation progress of the tenon sample can be recorded in real time through the DIC camera; and the clamp is connected with the bearing seat through the joint bearing, so that self-centering of the tenon sample can be realized, deflection torque is prevented from being introduced, and the shape control precision of a friction surface of a contact area is improved.

The invention discloses a crane three-axis linkage anti-swing positioning control method, device and equipment and a storage medium, and relates to the technical field of crane control, and the method comprises the following steps: obtaining a cart X-axis current position, a trolley Y-axis current position, a lifting Z-axis current position and a three-axis target position sent by a programmable logic controller; according to the current position of the cart X axis, the current position of the trolley Y axis, the current position of the lifting Z axis and the target positions of the three axes, a three-axis cooperative motion path is planned through an input shaping control algorithm and a position control algorithm; generating a cart speed given value, a trolley speed given value and a lifting speed given value based on the three-axis cooperative motion path; and the cart speed set value, the trolley speed set value and the lifting speed set value are sent to a programmable logic controller, so that a cart frequency converter, a trolley frequency converter and a lifting frequency converter drive three shafts to synchronously run to three-shaft target positions. According to the invention, three-axis linkage high-precision anti-swing positioning of the travelling crane is realized.

Disclosed are an electronic device for controlling attributes of one-handed mode screen on the basis of a grip shape and a method for controlling same. An electronic device according to an embodiment of the present document may be configured to display, on a flexible display, a one-handed mode screen which is reduced and displayed according to a predetermined ratio so as to correspond to a first screen, detect, while the one-handed mode screen is displayed, that a first housing is moved, and determine, on the basis of the detection of the movement of the first housing, the direction of expansion of the one-handed mode screen depending on whether a grip of a portion of a user's body on the top portion of the first housing is sensed by a first grip sensor, among grip sensors, which is disposed on the edge of the first housing.

The invention provides a plate shape control and plate thickness precision collaborative optimization method in the rolling process of a cold-rolling mill, which relates to the technical field of cold-rolling mill control, and comprises the following steps: acquiring contact parameters between a rolling working roll and a supporting roll, determining a contact stress distribution state, and acquiring the bending deformation of the working roll; constructing a coupling mapping relation between plate shape moment distribution and stress distribution; a compensation coefficient is adaptively adjusted according to the rolling state, and a dynamic collaborative optimization objective function is established; and working roll bending force and supporting roll displacement meeting the target are obtained through calculation, and rolling parameters are adjusted in real time. According to the method, cooperative control over the plate shape and the plate thickness is achieved, and the quality of cold-rolled products is improved.

The invention discloses laser and aerial fog cooperative shape control equipment and method for robot incremental forming. The equipment comprises a first robot and a second robot which are arranged on the two sides of a plate correspondingly. The first robot and the second robot are kept relatively static all the time; the first robot is fixedly provided with a first tool head, a first laser and a first aerial fog nozzle, and the first tool head, the first laser and the first aerial fog nozzle are kept relatively static all the time; the first laser and the first aerial fog nozzle are located on the two sides of the first tool head respectively; the coverage area of gas mist sprayed by the first gas mist nozzle is 1.5-5 times of the irradiation area of laser emitted by the first laser; the second robot is fixedly provided with a second laser and a second aerial fog nozzle, and the second laser and the second aerial fog nozzle are kept relatively static all the time; and the area of the coverage area of the gas mist sprayed by the second gas mist nozzle is 1.5-5 times of the area of the irradiation area of the laser emitted by the second laser. The equipment and the method can improve the forming precision and the forming quality.

To provide a metal-strip warped-shape control method capable of controlling the warped shapes with a W-shaped cross-section in the width direction and the warped shapes approximated with higher-order functions, enabling the reduction of the warp height of a metal strip downstream of a temper rolling mill. In a metal-strip manufacturing facility including a temper rolling mill 31 that corrects a shape of a metal strip 1 continuously conveyed, and a warped-shape measurement device that measures a warped shape of the metal strip, a metal-strip warped-shape control method for controlling an exit-side warped shape, which is a warped shape of the metal strip 1 downstream of the temper rolling mill 31, includes: calculating an approximation curve for the warped shape of the metal strip 1 using an approximation method selected from parabolic approximation, circular arc approximation, and envelope approximation; and, based on the calculated approximation curve, setting operating parameters of the temper rolling mill 31 that can reduce the warp height of the exit-side warped shape.

The invention discloses a pre-part shape control process for selective laser melting forming of a large-size additive workpiece. The pre-part shape control process comprises the steps that S1, an appropriate material is selected; s2, model processing, wherein the size specification of the pre-part can be set to be a projection area of the pre-part on the bottom face when the part is printed and formed, and the thickness of the pre-part is set to be 1-20 mm; drawing a pre-part model in CAD software, converting the pre-part model into an STL format, and then importing the pre-part model into Magics software; s3, setting a laser scanning strategy; s4, heat treatment; s5, carrying out linear cutting on the pre-part and the substrate; s6, carrying out destressing heat treatment; s7, the part body and the pre-part are linearly cut, and a high-quality and high-precision near-net forming large-size 3D printed part can be prepared through a pre-part shape control technology; by adding pre-part sintering forming, the effect of buffering stress deformation is achieved, and meanwhile the part cracking phenomenon caused by uneven stress deformation can be reduced. And an optimized process scheme for selective laser melting forming, shape control and cracking prevention of the 3D printing component is provided for aerospace key parts.

The invention discloses a quenching plate shape control method and device, components of a target steel plate are designed, and the components meet the product requirements of the target steel plate and the preset SA517Gr.F steel plate component requirements; the target steel plate is heated, the heating temperature ranges from 1180 DEG C to 1230 DEG C, and the in-furnace time of the target steel plate ranges from 1 m i n / mm to 1.5 m i n / mm; rolling plate shape control parameters are obtained and used for controlling a rolling roller to roll the target steel plate; carrying out unevenness detection on the rolled target steel plate; and according to the unevenness detection result of the target steel plate, quenching parameters and tempering parameters are determined and used for conducting quenching treatment and tempering treatment on the target steel plate. Thus, by optimizing the component design, controlling the rolling thickness, controlling the plate shape and regulating and controlling the quenching parameters and the tempering parameters, the plate shape unevenness of the quenched target steel plate reaches the expected range, the plate shape control of the ultimate thin specification plate is greatly improved, and homogenization of microstructures at different positions is achieved.

The invention provides a soft soil open cut tunnel base excavation and inverted arch forming auxiliary device and a shape control method, and belongs to the technical field of tunnel inverted arch forming. The supporting beam which is not prone to deformation is arranged above the to-be-constructed position of the inverted arch, the shape of the flexible beam which is prone to deformation is adjusted through the shape control assembly on the supporting beam, and the shape of the flexible beam is made to be the same as the shape needed by the inverted arch. When concrete is poured into the inverted arch of the tunnel, the height of the concrete pouring face is adjusted with the flexible beam as the reference, and the shape of the poured inverted arch is made to be consistent with the shape of the flexible beam; the shape of the flexible beam is consistent with the required shape of the inverted arch, so that the shape of the inverted arch after pouring is consistent with the required shape. The accuracy of inverted arch construction is greatly improved, the reworking probability is effectively reduced, and the construction progress is guaranteed.

The invention relates to a plate shape control method in the rolling process of steel 30MnB5 for hot stamping forming. The plate shape control method in the rolling process comprises the working procedures of plate blank heating, rolling, cooling and coiling. In the cooling process, laminar cooling is used for cooling the strip steel to the coiling temperature, the cooling process is set as follows: cooling is performed in a sparse cooling mode, the cooling speed of the front section of laminar cooling is controlled to be 20-30 DEG C / S, the cooling speed of the rear section of laminar cooling is controlled to be 30-40 DEG C / S, and the total water amount of laminar cooling water spraying is set according to the ratio of the water amount of the front section to the water amount of the rear section of 1: 1.2-1: 1.4. The method is easy to implement, and the good strip shape control quality of the steel strip can be obtained through reasonable process design. And additional equipment and investment are not needed. By means of the method, the strip shape of the 30 MnB5 steel strip of the hot stamping forming steel of 5-10 mm is well controlled, the unevenness of the strip steel is not larger than 10 mm / m after the strip steel is flattened, and the wave shape judgment reduction amount and strip shape objection complaints caused by the poor strip shape are completely eradicated.

1. The name of the design product: punch-in window of chat session graphical user interface for electronic device. 2. The use of the design product: an electronic device. 3. The design points of the design product: in the local part of the graphical user interface. 4. The picture or photo that best indicates the design points: design 1 front view. 5. Design 1 is designated as the basic design. 6. The use of the graphical user interface: the overall interface is used for chat session, friend relationship management and interactive punch-in; the local part of the interface is used for bidirectional interactive punch-in based on friend relationship. 7. The human-computer interaction mode of the graphical user interface: in the design 1 front view, the user can view the friend relationship, consecutive punch-in days, punch-in record and punch-in process, can click the punched heart-shaped control in the calendar to view the punch-in details, and can click the horizontal bar control at the top of the pop-up window to close the pop-up window. The human-computer interaction modes of design 2 and design 3 are the same as those of design 1.

The present invention relates to a method for improving the wavy shape defects of the head of cold-rolled thin-gauge strip steel, comprising the steps of setting the roller shifting value according to the flatness, adjusting the frame load, and the like. The method for improving the wavy shape defects of the head of cold-rolled thin-gauge strip steel provided by the present invention is based on the existing plate shape control means of cold-rolled UCM equipment. By analyzing the influence of the intermediate roller shifting setting of the finished product frame on the plate shape control, a method for setting the intermediate roller shifting of the finished product frame for the wavy shape of the strip head is designed, as well as a method for resetting the load distribution if the plate shape control ability of the intermediate roller shifting is insufficient. Utilizing the method of the present invention, effective improvement measures can be implemented for the plate shape defects of the head of thin-gauge strip steel that plague production through manual intervention methods, which not only shortens the length of the thin-gauge strip steel with serious plate shape problems that needs to be sheared before entering the subsequent continuous annealing process, thereby improving the yield rate, but also improving the stability of rolling.

The invention relates to the technical field of additive manufacturing, and discloses a supporting structure for additive manufacturing of a large-size thin-wall workpiece, which comprises a hollow rib plate control frame, a variable density lattice support and a solid grid lattice distribution structure, the hollow rib plate shape control frame is arranged in the thin-wall part or in an opening area, the variable-density lattice support is arranged at a key part and an easy-to-deform area of the thin-wall part, and the solid grid lattice distribution structure is arranged in a stress concentration area or a sudden change surface area of the thin-wall part. A sawtooth cutting contact structure is arranged at the contact part of the cutter and the thin-wall part; according to the supporting structure for additive manufacturing of the large-size thin-wall part, mechanical linkage and thermal expansion self-adaption design of the movable assembly are utilized, transmission cooperation of a driving plate, a toothed plate and a gear is combined with the limiting effect of a bevel gear set and a limiting plate, an abutting plate is attached to the inner wall of a frame all the time, and gaps and stress concentration caused by thermal expansion are counteracted; and the supporting stability and the fitting degree are maintained.

The present invention relates to a method for determining the wear of the rollers of a leveling mill, and belongs to the technical field of hot rolling methods in the metallurgical industry. The technical solution of the present invention is: determining the length and number of the divided intervals of the rollers along the axial direction; after determining whether the rolling mill has changed rollers, obtaining the initial accumulated wear of each position on the axial direction of the rollers; after the rolling mill has cast steel, obtaining process parameter information to construct a roller wear model, and calculating the wear amount of each position on the axial direction of the rollers; obtaining the initial accumulated wear of each position on the axial direction of the rollers, calculating the current accumulated wear of each position on the axial direction of the rollers and storing it, waiting for the next roller change or mill casting. The beneficial effects of the present invention are: effectively improving the strip shape control level of the leveling and coiling production line, accurately calculating the roller wear at any time, providing conditions for the accuracy of the roller gap setting and bending roll force setting of the leveling and coiling production line, etc., with wide practicality and broad application prospects.

The invention provides a plate shape control method, device and equipment, a medium and a program product, and relates to the technical field of plate shape control. The method comprises the steps that in the process of rolling a target plate blank through a target rolling mill, the plate shape of the target plate blank is controlled based on the target loading speed and the target vertical roll speed; wherein the target load speed is the target speed when the roller way of the target rolling mill is loaded, and the target load speed is higher than the original load speed of the roller way; the target vertical roll speed is the target speed of a vertical roll of the target rolling mill when the target plate blank is subjected to odd-pass rolling and a flat roll of the target rolling mill is loaded, the target vertical roll speed is lower than the original vertical roll speed, and the target vertical roll speed is determined based on the preset tension; the preset tension is determined based on a first torque when the vertical roller is loaded and a second torque when the flat roller is loaded. According to the plate shape control method, device and equipment, the medium and the program product, the rolled plate shape qualification rate of the target plate blank can be increased.

A multi-pass free forging punching method for deep blind holes in an engine cylinder block includes the following steps: jaw pressing, chamfering, pre-drawing, upsetting, wide anvil strong pressure drawing, rolling and drawing blanking, upsetting, step forming, pre-punching the blind hole in the first pass with a variable diameter punch, mechanically expanding the blind hole in the second pass, rolling forging and drawing, deep-drawing the blind hole in the third pass with a long punch, rolling forging and drawing, flattening the end face, and finishing the finished product. The blind hole forming process is controlled in multiple passes and stages, with the use of a variable diameter punch for pre-punching and mechanically expanding the blind hole, and a long punch for deep-drawing the blind hole. Furthermore, the forming effect is ensured by combining rolling forging and drawing and end face flattening processes. The multi-pass blind hole forming process can achieve staged shape control in each process, facilitate precise parameter control, suppress inner wall shrinkage, overcome the large inner wall shrinkage phenomenon of traditional punching methods, ensure fiber streamline integrity and dimensional reliability, and avoid the bottom folding phenomenon that is easily generated during traditional blind hole drawing. This method improves forging efficiency and provides more stable quality.

The invention discloses ultra-thin specification ultra-high strength weathering resistant steel and a plate shape control method. The ultra-thin specification ultra-high strength weathering resistant steel comprises the following components in percentage by weight: 0.06%-0.12% of C, 0.25%-0.5% of Si, 1.40%-2.1% of Mn, 0.18%-0.55% of Cu, 0.28%-1.25% of Cr, 0.05%-0.1% of Ni, less than or equal to 0.025% of P, less than or equal to 0.01% of S and the balance of Fe and other inevitable residual elements. The unevenness of the ultra-thin specification ultra-high strength weathering resistant steel is controlled within 5 mm / m. The method can ensure that the appearance plate shape of a product is flat and straight, and meets the special requirements of the fields of container steel and the like on high plate shape quality.

The present invention relates to the technical field of computer-aided design, and more specifically to a system for dynamically predicting the occlusal relationship of a transparent support for a partial denture. The system implements the following steps: screening effective occlusal points based on the force conditions during tooth occlusion when the partial denture and the transparent support are installed; determining the main occlusal points at each moment based on the force magnitude and force superposition of each effective occlusal point; determining the slip trend of each main occlusal point; determining the slip transfer trend of each target occlusal point based on the slip trend and the force transfer between the main occlusal points; the target occlusal point is the main occlusal point on the partial denture; determining the shape control coefficient of the adjacent voxels of the target occlusal point on the transparent support based on the slip trend and slip transfer trend of the target occlusal point at each moment. Using this system, the occlusal relationship can be accurately predicted, thereby accurately determining the shape control coefficient of the voxels on the transparent support, and further accurately adjusting the shape of the transparent support.

The invention provides a shape control method and system for a multi-connecting-rod deformable tent, and relates to the technical field of deformable tent control. The method comprises the steps that parameters of external loads borne by a tent and tent structure response parameters are obtained; identifying a current load mode according to the external load parameters, associating the load mode and the structure response parameters with the current shape of the tent, recording the actual performance of the tent in the load mode, and forming historical performance data; analyzing historical performance data to form a shape selection rule; correcting the shape selection rule according to actual operation feedback after tent shape adjustment; and based on the corrected shape selection rule and the current load mode, generating a control instruction and adjusting the shape of the tent. According to the method, on the premise that structural safety is guaranteed, structural stress is reduced and energy consumption is optimized, the combined action of various loads is effectively dealt with, and the method adapts to performance changes generated by long-term use of tent structural components.

The invention relates to the technical field of computer aided design, in particular to a partial denture transparent support occlusion relation dynamic prediction system. The system is implemented by the following steps: screening effective occlusal points according to a stress condition in a tooth occlusal process in a state of installing a partial denture and a transparent bracket; determining a main occlusion point at each moment according to the stress magnitude and the stress superposition condition of each effective occlusion point; determining the slippage trend of each main occlusion point; according to the slippage trend and the stress transmission condition between the main occlusion points, the slippage transmission trend of each target occlusion point is determined; the target occlusal point is a main occlusal point on the partial denture; and determining a shape control coefficient of an adjacent voxel of the target occlusal point on the transparent bracket according to the slippage trend and the slippage transmission trend of the target occlusal point at each moment. By adopting the system, the occlusion relationship can be accurately predicted, so that the shape control coefficient of voxels on the transparent bracket is accurately determined, and the shape of the transparent bracket is accurately adjusted.

The invention discloses a body surface appendage form control method of an artificial intelligence toy, electronic equipment, a readable storage medium and a computer program product, and belongs to the technical field of intelligent terminals. The method comprises the following steps: acquiring target situation data, wherein the target situation data comprises at least one of the following data: interaction state data of a user, environment state data of the user, interaction state data of an artificial intelligence toy and environment state data of the artificial intelligence toy; corresponding control reference data are determined according to the target situation data, and the control reference data are used for indicating the body surface appendage form corresponding to the target situation data; and controlling the shape of the body surface appendage of the artificial intelligence toy based on the control reference data.

The invention discloses bending forming equipment which comprises an edge positioning module, a bending mechanism and a feeding mechanism, and the bending mechanism is located between the edge positioning module and the feeding mechanism. The bending mechanism comprises a first support, a first bending assembly and a second bending assembly. The first support is provided with the first bending assembly and the second bending assembly. The feeding mechanism comprises a base, a bending limiting column is mounted in the middle of the base, and a first pressing assembly and a second pressing assembly are slidably mounted on the positions, located on the two sides of the bending limiting column, of the base correspondingly. According to the 3D bending device, the heights of the first limiting column and the second limiting column of the bending limiting column are different, the positions of the first limiting column and the second limiting column can be adjusted, the height and the transverse distance of the limiting columns can be adjusted according to the 3D bending track requirement, and control over diversified bending shapes is achieved; a lower pressing plate of the bending assembly is installed in an adjustable mode, the position can be adjusted according to the width of a workpiece, and it is guaranteed that a pressure applying point is accurate.

The present application belongs to the field of strip steel cold rolling, and particularly relates to a twenty-high rolling mill high magnetic induction oriented silicon steel shape control method, which can pre-set the roll system position of the twenty-high rolling mill and improve the shape quality of the last pass strip head. The twenty-high rolling mill high magnetic induction oriented silicon steel shape control method comprises a control method of a middle roll of the twenty-high rolling mill and a control method of an ASU roll, wherein the control method of the middle roll comprises: establishing a position pre-calculation mathematical model of the middle roll, and obtaining the preset position of the middle roll in the last pass according to the position of the middle roll in the previous pass and the rolling pressure pre-calculated in the last pass; and establishing a position pre-calculation mathematical model of the ASU roll in the last pass, and obtaining the total crown value of the ASU roll in the last pass according to the position of the ASU roll in the previous pass.

This invention relates to equipment for processing large yellow croaker, and more particularly to a continuous production apparatus and method for marinating large yellow croaker. The continuous production apparatus for marinating large yellow croaker includes a frame, a controller, a horizontal conveying mechanism, and a shape detection mechanism, a punching mechanism, and a marinating mechanism arranged sequentially along the feeding direction of the horizontal conveying mechanism. The shape detection mechanism is located above the horizontal conveying mechanism and is used to detect the shape of the belly and back of the large yellow croaker respectively. The controller is used to receive information sent by the shape detection mechanism and generate a belly punching feed table and a back punching feed table. The two punching mechanisms punch holes in the belly and back of the fish according to the belly punching feed table and the back punching feed table respectively. The marinating mechanism is used to store and marinate the punched large yellow croaker. The continuous production apparatus for marinating large yellow croaker provided by this invention not only facilitates full marinating of the large yellow croaker and improves the marinating effect, but also meets the punching accuracy requirements for different fish sizes and shapes, avoiding damage to the fish meat.

The invention relates to a shape control method for a titanium alloy heat treatment process, and belongs to the technical field of titanium alloy treatment. The method comprises the following steps of S1, casting forming; s2, the casting is heated to T beta-(15-35) DEG C, and heat preservation is conducted for 1-4 h; s3, preheating the matching mold to 200 to 250 DEG C; s4, the casting is transferred to a lower mold, the upper mold covers the casting, and air cooling is conducted at the cooling rate of 2-8 DEG C / min; s5, the casting is subjected to stepped aging treatment, heat preservation is conducted at the temperature of 450 DEG C, and then the temperature is increased to 550-600 DEG C and kept for 2-8 h; and S6, the mold pressing and air cooling steps are repeated, the weight W of the upper mold and the projected area A of the casting need to meet the requirement that W / A is larger than or equal to 1.5-3.5 MPa, the residual stress is counteracted through mold pressing, and the deformation amount is reduced to be smaller than or equal to 6 mm from 8-18.5 mm of a traditional process; the aging system is optimized, so that the high-temperature endurance strength is improved by 15-20% Only a conventional heat treatment furnace and a mold device are needed, the equipment threshold is lowered, and the method is suitable for shape cooperative control of TA32 and other high-temperature titanium alloy castings.

The invention discloses a strip shape control method for ultrahigh-strength low-alloy high-strength steel. The production steps include smelting, continuous casting, hot rolling, acid rolling and continuous annealing. Aiming at the pain and difficulty problem that the shape of a low-alloy high-strength steel plate with the yield strength of 800MPa is not easy to control, structure property control is taken as a breakthrough, Nb + Ti is more than or equal to 0.085% and less than or equal to 0.110%, Cr is more than or equal to 0.15% and less than or equal to 0.50%, the in-roll strength difference is less than or equal to 50MPa, and the plate shape control difficulty in a flattening process is reduced; by taking reduction of wave heredity as a breakthrough, a combined measure of a coiling temperature of 550 + / -30 DEG C, a wedge mean value of + / -10 microns and an acid rolling reduction rate of 45-55% is innovatively provided, the acid rolling plate shape is stably controlled to be less than or equal to 20 IU, and the plate shape control difficulty of a leveling process is reduced; the plate shape control capability of the temper mill is remarkably improved through the matching design of the diameter of the working roll, the leveling elongation, the roll bending force distribution and the roll shifting rule by taking the exertion of the capacity of the temper mill as a breakthrough. The plate shape qualification rate of the low-alloy high-strength steel with the yield strength of 800 MPa is increased to 90% or above from 20% or below, and stable production is achieved.