346 results about "Bend radius" patented technology

The invention relates to a minimum bending radius multi-point turning action control method and system, and relates to the technical field of submarine cable laying, and the method comprises the steps: obtaining cable parameters of a cable, cable laying ship parameters of a cable laying ship, and marine environment parameters; analyzing the cable parameters, the cable laying ship parameters and the marine environment parameters to generate a predicted bending radius; analyzing the cable parameters to determine the minimum bending radius; judging whether the predicted bending radius meets the requirement of the minimum bending radius or not; if yes, the cable parameters of the cable, the cable laying ship parameters of the cable laying ship and the marine environment parameters are continuously obtained for cyclic judgment; if not, analyzing the predicted bending radius and the minimum bending radius to generate a bending radius error; analyzing the bending radius error to generate a speed adjustment amount; and the cable laying ship is adjusted according to the speed adjustment amount so that the predicted bending radius can meet the requirement of the minimum bending radius. The method has the effect of improving the timeliness of adjusting the bending radius.

The device comprises a mold body, a first pushing assembly and a second pushing assembly, the first pushing assembly comprises a first driving part and a first pushing head, the first pushing head is provided with a cavity, the cavity penetrates through the two ends of the first pushing head, the first pushing head is further provided with an opening, and the opening communicates with the cavity; the second pushing assembly comprises a second driving part, a second pushing head and a filling ball, the filling ball enters the cavity through the opening, and the second pushing head is driven by the second driving part to push the filling ball to move into the pipe blank along the cavity. Therefore, the bent pipe with the large pipe diameter and the small bending radius can be formed through secondary push bending of the second pushing assembly on the premise that pressure is not unloaded after primary push bending forming, larger bent pipes with more specifications and sizes can be formed on machine tool equipment with limited specifications, the cost of the machine tool equipment is saved, and the production efficiency of the bent pipe is improved.

The invention belongs to the technical field of data cable straightening, and particularly relates to a cable self-adaptive adjusting mechanism which comprises a pay-off device, a first cable inlet angle adjusting mechanism is installed on the upper side of the right end of the pay-off device, and the first cable inlet angle adjusting mechanism is used for adjusting the angle of a pay-off data cable and detecting the surface flatness of the cable. The right end of the first wire inlet angle adjusting mechanism is provided with a second wire inlet angle adjusting mechanism, the right end of the second wire inlet angle adjusting mechanism is provided with a third wire inlet angle adjusting mechanism, the right end of the third wire inlet angle adjusting mechanism is provided with a position adjusting mechanism, and the right end of the position adjusting mechanism is provided with a wire take-up device. The device can be dynamically attached to the bending radian of the cable, rigid extrusion is avoided, pressure is evenly distributed in the circumferential direction of the cable during contact, local abrasion is reduced, and meanwhile self-adaptive wrapping straightening is achieved through flexible pressing.

The invention discloses a BIM-based cable construction method. The method comprises the steps of obtaining BIM model data including a cable design path, a design bending radius and design stress; in the cable laying process, the optical fiber sensors are tightly attached and fixed to the surface of an outer sheath of the cable to be laid, and the optical fiber sensors are continuously distributed in the length direction of the cable; acquiring actual strain distribution data and actual bending radius distribution data of the cable measured by the optical fiber sensor in real time, and performing spatial position correlation comparison with design stress data and design bending radius data in the BIM model; if the actual strain value of any position point exceeds the strain threshold range corresponding to the design stress or the actual bending radius value is smaller than the design bending radius value, it is judged that construction deviation exists in the position point; and generating an adjustment instruction for subsequent cable laying operation based on the position point information with the construction deviation. The cable laying precision and the construction safety can be effectively improved.

The invention relates to an experimental device and method for testing the comprehensive mechanical property of a slender flexible cable, and belongs to the technical field of ocean engineering testing. The device comprises a main body frame, a tensile loading device, a bending load loading device and a torsional load loading device. The tensile loading device is not directly connected with the main body frame and is directly connected with the end part of the cable during an experiment. Through a modular integrated design, multi-axis coupling cooperative loading of stretching, bending and twisting is realized; a stretching actuator provides axial tension; the four-point bending actuator drives the slide rail and the roller to realize dynamic bending, and the bending radius is adjustable; the torsion actuator converts linear motion into torque through a gear-rack mechanism, and the supporting rollers eliminate axial interference. The device has the functions of pressure self-adaptive control and energy recovery. The device solves the problem that a traditional testing machine cannot simulate complex ocean working conditions, and is suitable for comprehensive mechanical property evaluation of flexible pipe cables such as submarine cables.

The invention relates to a cable bending radius determination method and device and computer equipment. The method comprises the steps of obtaining a plurality of cable sub-images in an original cable image based on the original cable image of a to-be-detected cable, performing center line fitting on cable sections in the cable sub-images, obtaining position information of effective center points in the cable sections, determining bending radiuses of the cable sections according to the position information of the effective center points in the cable sections, and determining the bending radiuses of the cable sections according to the bending radiuses of the cable sections. Wherein different cable sub-images comprise different cable sections in the to-be-detected cable. By adopting the method, manual participation is not needed, so that the determination efficiency of the bending radius of the cable can be improved, the determination accuracy of the bending radius of the cable can be improved, manpower resources required in the determination process can be reduced, and the manpower resource cost is reduced.

The invention relates to the technical field of vehicles, and provides a pipeline harness guiding and fixing structure and a design method thereof, and the method comprises the steps: constructing original data through first simulation software; the original data comprises pipeline harness peripheral structure data; determining a key part of the pipeline harness based on the original data and pre-obtained pipeline harness basic data; on the basis of the determined key parts of the pipeline harness and the basic data of the pipeline harness, carrying out shape-following design and simulation analysis on the pipeline harness to obtain first guiding data of the pipeline harness; the first guiding data at least comprises a space path of the pipeline harness, bending radius data and structural data of a pipeline harness guiding and fixing structure; and based on the first guiding data of the pipeline harness, constructing an initial model of the pipeline harness fixing structure through finite element simulation software, performing analysis and post-processing, and outputting target data of the optimized pipeline harness fixing structure. The interference abrasion risk of the pipe bundle and the wire harness is reduced, and stable operation of the pipe harness under the complex working condition is guaranteed.

The utility model discloses a pipe fitting clamping mechanism of a pipe bending machine. The pipe fitting clamping mechanism comprises a base, a rotating shaft is arranged on the base, a working table is connected to the rotating shaft in a rotating mode, an installation frame is arranged on the base, a telescopic rod is arranged on the installation frame, a core rod is arranged at the output end of the telescopic rod, a wheel die is arranged on the rotating shaft, and the working table is connected with the wheel die in a rotating mode. A wheel die is arranged on the workbench, an anti-wrinkling die is fixedly connected to the wheel die, a splicing block is arranged on the wheel die, a guide die is buckled on the anti-wrinkling die, a clamping die is buckled on the splicing block, a supporting frame is arranged on the workbench, and a clamping assembly is arranged on the supporting frame. The clamping assembly and the core rod are arranged on the supporting frame and the base respectively, the inner diameters of the two ends of the pipe are supported at the same time, the stability of the pipe is improved, the bending radius of the pipe is increased, the deformation amount of the pipe in the bending process is effectively reduced, and the defects of distortion, creases and the like caused by uneven stress of a pipe opening are overcome.

ProblemTo provide a laminate that can exhibit sufficient bendability without using a compound corresponding to a PFAS.SolutionThe laminate of the present disclosure includes a substrate and a hard coat layer laminated on at least one surface of the substrate. The hard coat layer contains no compound corresponding to a PFAS. The laminate of the present disclosure is further characterized in that a minimum bendable radius is equal to or less than 5 mm in a cylindrical mandrel test in which the laminate is bent with a surface of the hard coat layer of the laminate being convex. In addition, in a bending durability test of the hard coat layer, the number of operations until a crack occurs in the hard coat layer is preferably 10000 or more.

The invention provides a Cu-Fe-Mn-P series alloy material, which contains 0.15 to 0.50 percent by weight of Fe, 0.15 to 0.50 percent by weight of Mn and 0.05 to 0.30 percent by weight of P, and further contains one or more of Ni, Mg, Cr, Sn, Zn, Zr, Ag, Ti and lanthanide series rare earth elements. The total amount of the Cu and the unavoidable impurities is 0.15 wt% or less, and the Cu and the unavoidable impurities meet the component proportional relation of the following formulas (1), (2) and (3): {Fe} + {Mn} + {P} is less than or equal to 1.0% (1); (2) 0.5 < = {Fe} / {Mn} < = 2.0; 2.0 < = ({Fe} + {Mn}) / {P} < = 5.0 (3); the Cu-Fe-Mn-P alloy material has good bending processability that the ratio R / t of the minimum bending radius to the plate thickness is smaller than 2.0, and the heat-resistant temperature is larger than or equal to 500 DEG C. The composite material can be used in the field of wide characteristic requirements of the electric conductivity of 60-90% IACS and the corresponding tensile strength of 800-600 MPa.

The invention relates to the technical field of bending, and provides an aluminum alloy plate integrated bending forming device for the aviation industry, which comprises a bearing rack, a first bending die, second bending dies, a conveying part, a first stamping bending part and a second stamping bending part, the end of the second bending die is provided with a limiting inclined face and a bending fillet, the limiting inclined face is provided with an adsorption hole, the two sets of conveying pieces are symmetrically arranged on the two sides of the first bending die, and a plurality of sets of Y-direction limiting plates are arranged on the surfaces of the conveying pieces. By combining the step-by-step actions of the first stamping and bending part and the second stamping and bending part, the problem that an aluminum alloy plate is prone to springback or cracking due to traditional single-time bending is solved, the problem that the plate is prone to deviation or low in positioning precision in the traditional step-by-step bending process is solved, and the beneficial effect of being high in bending precision is achieved.

The invention relates to the technical field of numerical control machining, in particular to a numerical control bending control method, device and system for a copper bar. According to the method, a basic logic formula between the springback angle and the designed bending angle and a basic logic formula between the designed bending radius and the designed material thickness at each bending point position are built; the influence of the bending radius and the material thickness on the springback angle is analyzed, and the basic logic formula is corrected for the first time; the influence of the bending angle on the springback angle is analyzed, and secondary correction is conducted on the basic logic formula; and finally, the actual rebound angle is obtained, and bending of the copper bar workpiece is completed. According to the method, the springback amount is predicted in advance, and the compensation strategy is designed in a targeted mode, so that the number of times of trial bending is reduced, technological parameters are optimized, the machining precision is improved, and reworking or waste caused by springback out-of-tolerance is avoided.

A high strength J-bolt for a saddle-mount is provided for use in attaching the saddle-mount to an axle of a vehicle. The high strength J-bolt can include a round distal end, a tapered and / or round mid-section, and a hook end with a specified inside bend radius and cross-sectional shape configured to accommodate an increased range of axle sizes. A D-shaped cross-sectional shape can be formed for the hook end to provide for increased contact area with the axle, a larger cross-sectional area, and a higher section modulus along a critical bending axis as compared to a non-critical bending axis to maximize a clamping force that can be applied to the axle and militate against mechanical failure of the high strength J-bolt. A hot forging process can be used to form the shape of the high strength J-bolt.

The application relates to the technical field of fiber direction simulation, in particular to a composite material fiber direction simulation modeling method and system. The method comprises the following steps: collecting a fiber laying track, correcting the bending radius and unit tangent direction of a path point, and obtaining a fiber laying corrected track; constructing a first direction distribution map according to the tangent direction of each path point in the fiber laying corrected track; analyzing the coverage range of each path in the first direction distribution map on a component curved surface, identifying a curved surface overlapping and crossing area, and calculating an included angle adjustment amount of a direction vector; dividing the first direction distribution map into finite volume units, so as to obtain a second direction distribution map; and performing fiber direction simulation verification according to the second direction distribution map and in combination with preset material anisotropy properties, so as to obtain a fiber direction simulation result. The application is helpful to improve the spatial accuracy of fiber direction modeling and the consistency of simulation prediction.

The invention discloses a submarine cable line type identification and control method, and belongs to the field of submarine cable laying. The method comprises the following steps: establishing a catenary equation of the submarine cable between a point (point A) where the submarine cable is separated from a bearing turntable and a contact point (point B) at the end part of an untwisting frame according to the bending rigidity EI and linear density rho of the submarine cable, and determining the allowable minimum bending radius Rmin of the submarine cable and the maximum bending radius Rmax of the submarine cable; the method comprises the steps of determining the height difference of a submarine cable or a submarine cable section, calculating the horizontal distance Mmin and Mmax of a point A and a point B corresponding to Rmin and Rmax according to a catenary equation, dividing a set (Mmin and Mmax) into three subsets, and controlling the rotating speed of a bearing turntable according to the relation between the horizontal distance M of the point A and the point B measured in real time and the three subsets so as to enable the rotating speed to be matched with the cable laying speed of a cable laying machine. The method has the advantages that the submarine cable regulation and control speed is high, and the matching effect of the submarine cable output speed of the bearing turntable and the cable laying speed of the cable laying machine is good.

The invention discloses a wire outlet hole piece capable of reducing wire loss, and belongs to the field of wire outlet hole pieces. Comprising a hollow pipe, an arc-shaped bent part is integrally formed on the lower surface of the hollow pipe, a plurality of through type round holes are formed in the outer side wall of the arc-shaped bent part, and arc-shaped plates are arranged on the outer side wall of the arc-shaped bent part and located above the round holes; the easy-to-pull carton has the advantages that the defects of a traditional easy-to-pull carton outlet mode are effectively overcome through innovative design, when a wire is pulled out in a traditional straight cylinder mode, the wire is frequently folded to 90 degrees, communication wire signal interference is likely to be caused, and a copper wire is even pulled apart in the serious situation; the arc-shaped bending piece integrally formed on the lower surface of the hollow pipe in the wire outlet hole piece meets the requirement that the bending radius of the network wire is not smaller than 8 times of the diameter of the wire rod, so that the wire rod always keeps a reasonable bending radian in the pulling-out process, and the 90-degree hard bending condition is avoided.

To provide a manufacturing method for a press-formed product that is able to properly perform press forming while reducing a bending radius, and to provide the others.SOLUTION: A manufacturing method for a press-formed product P includes: an intermediate product preparing step (step S10) of preparing an intermediate product P1; a placing step (step S20) of placing the intermediate product P1 on a second lower die 21 in which a second shoulder portion 21c is formed with a curvature radius RC2 smaller than a bending radius RB1 of a first bent portion 80; a sandwiching step (step S30) of lowering an upper die 22 including an upper-die shoulder portion 22c with respect to the second lower die 21, sandwiching a side plate 82 of the intermediate product P1 between a side surface 21b and an upper-die recessed-portion side surface 22b, and restraining a bottom plate 81 in a direction along the bottom plate 81; and a press-forming step (step S40) of lowering the upper die 22 to press-form the intermediate product P1.SELECTED DRAWING: Figure 3

The utility model discloses a putty flexibility detection device, and the putty flexibility detection device is provided with a plurality of groups of support plates and shaft bodies, and the support plates and the shaft bodies are connected through folding assemblies, and the folding assemblies can drive the support plates to move along the radial direction of the shaft bodies, and the opening end of the U-shaped frame is rotatably arranged on the shaft body, and a roller is movably arranged in the U-shaped frame through a first displacement assembly, and the roller can move along the length direction of the U-shaped frame, and the clamping block is slidably arranged on the top of the pedestal and connected with the pedestal through a second displacement assembly. Through the above arrangement, the bending radius of the test plate can be adjusted, and the application scenarios of the device are widened.

A cable-bundle-type underwater high-speed cable-releasing device belongs to the field of underwater equipment technology. The present invention proposes a cable-bundle-type cable winding and storage solution based on a nested thin-walled tube structure, replacing conventional spool reels. This solution avoids the space occupied by conventional reels, allows the cable to be wound with a minimum bending radius, saves space, and effectively increases cable capacity. Furthermore, the thin-walled tube assembly of the present invention can simultaneously apply axial and radial constraints to the cable, solving the problem of looseness and collapse between axial rope loops and radial rope layers. This provides more comprehensive constraints, a simpler structure, and easier operation, while also meeting the requirement of not damaging the structure or cable during high-speed underwater cable release.

The cable laying management method and system for communication construction provided by the present application relate to the field of cable laying technology, obtain cable laying space characteristics and target coverage, analyze the installation correlation and construction constraints between communication construction materials, build a material laying feature network, use cable laying space characteristics and target coverage as search constraints, and perform material setting positioning, cable bending radius, tension control, and path planning search and optimization in accordance with design goals and construction requirements to obtain cable laying management target parameters, match and track the entire cable laying construction cycle according to the cable laying management target parameters, and feedback laying management information, so as to solve the technical problems of insufficient flexibility and untimely feedback in cable laying management, resulting in low construction efficiency, high cost and difficulty in coping with complex construction environments, and achieve the technical effects of improving construction efficiency and accuracy, reducing costs, and effectively adapting to complex construction environments.

This utility model relates to the field of hardware bending technology and discloses a hardware product bending device, including a base on which a bending mechanism is provided. By controlling the first bolt, the arc plate is fully embedded in the positioning groove. After the initialization of the bending plate is completed, the hardware product passes through the limiting frame and the fixing seat. The second bolt is controlled to align the baffle with the edge of the arc plate. The bending arm is further controlled to process the hardware product. Benefiting from the different radii of the arc plates, the appropriate arc plate can be selected according to the bending requirements to process hardware products with the required bending radius. By controlling the hardware product to pass between the support seat and the pressure plate, the third bolt is further rotated to move the pressure plate downward. Benefiting from the horizontal and vertical grooves respectively opened on the lower side of the support seat and the pressure plate, the hardware product is clamped between the support seat and the pressure plate and cannot be detached, thereby avoiding accidents during the bending process.

The present application relates to a kind of adjustable bending sheath tube assemblies, including adjustable bending pipe with adjustable bending pipe section and control structure, control structure includes adjusting pipe;Adjusting pipe includes a plurality of first circular arc segments that are connected head to tail and are distributed along the circumference of adjusting pipe, at least one first circular arc segment is different from the hardness of other first circular arc segment;Or, gap is extended along the axial direction on adjusting pipe, adjusting pipe includes at least one second circular arc segment, gap and second circular arc segment are distributed at different positions on the circumference of adjusting pipe;Adjusting pipe can rotate around the axis of adjustable bending pipe, to control the different positions on the circumference of adjusting pipe and the bending direction of adjustable bending pipe section are aligned, and adjustable bending pipe section and adjusting pipe can be bent synchronously, so that adjustable bending pipe can be bent with different bending radius.The above-mentioned adjustable bending sheath tube assembly is adjusted by adjusting the circumferential position of adjusting pipe, to adjust the bending radius and bending angle of adjustable bending pipe section, improve the applicability of the adjustable bending sheath tube assembly, facilitate to reach target position quickly.

The invention provides a method for improving the production efficiency of a high-efficiency spring steel wire, and relates to the technical field of spring steel wire production.The method comprises the following steps that multi-source physical quantities in the spring steel wire winding process are collected in real time, and the multi-source physical quantities comprise steel wire tension distribution, the bending rod curvature radius, a roller temperature field and an equipment vibration frequency spectrum; based on the obtained multi-source physical quantity, a torque instruction, a rotating speed instruction and a bending radius compensation amount are generated through a dynamic collaborative mapping function; according to the generated instruction, a servo motor set is driven to adjust the wire feeding speed and the angular speed of a roller, and meanwhile a piezoelectric trimmer is controlled to correct the bending radius; and adopting a reinforcement learning strategy to optimize control parameters on line, and dynamically updating a mapping function according to winding quality feedback. According to the method, the problem that the remodeling debugging time is long can be effectively solved, the wire breakage rate can be remarkably reduced, and the size consistency can be effectively improved.

The present invention relates to a method and a system for determining at least one mechanical property of a sample, the method comprising the steps of: providing said sample wherein said sample comprises dimensions in a main direction; mounting the sample at the mounting end of the sample, wherein the free end of the sample is freely movable in a direction perpendicular to the main direction; shaking the mounted end of the sample at an excitation frequency to excite oscillatory bending of the sample about a centerline perpendicular to the main direction; determining a bending radius of the sample at a predetermined deflection of the sample or at a determined deflection; calculating bending stress by using the bending radius; and calculating the at least one mechanical property of the sample using the bending stress and a number of oscillations of the sample until the sample fails, or the bending stress at a plurality of excitation frequencies, or the bending stress at a plurality of excitation frequencies, and a description of the geometry of the sample.

The present invention relates to the field of control cable technology, specifically a corrosion-resistant flexible control cable, including a control cable protective sleeve, a driving component, a convex ring component and a cable core conductor. The convex ring component forms a serrated structure on the inner wall of the protective sleeve, and the deformation cavity enclosed by adjacent convex ring components is filled with water-blocking paste, which improves the flexibility of the cable through the buffering of the valley deformation cavity and supports the convex ring to enhance the pressure and puncture resistance; the driving component drives the convex ring component to slide back and forth along the axial direction, so that the valley and peak positions of the serrated structure alternate, disperses the stress during high-frequency bending, avoids concentrated force rupture in the valley, and extends the life of the protective sleeve. In addition, the water-blocking paste is filled in the valley, which can balance the bending radius and strengthen the sealing protection, and is constrained by the separation of the supporting convex ring to prevent aggregation and loss, thereby ensuring stable protection performance. Through structural innovation, the cable achieves a balance and improvement in flexibility, pressure resistance, corrosion resistance and long-term protection capabilities in high-frequency bending scenarios.

The present invention relates to the technical field of ship cranes, and specifically relates to a cable limit structure for a ship crane, including a crane boom and a cable. One end of the crane boom is fixedly connected with a lifting plate, and a winch is arranged at one end of the crane boom. By adopting multiple sets of directional guide wheels to optimize the cable path, and in cooperation with the design of the bending radius adjustment mechanism, the bending radius at the moving pulley of the cable is increased, avoiding the sharp bending of the cable at the moving wheel caused by gravity, enabling the cable to maintain a large bending radius during movement, reducing friction and damage; and through the joint cooperation of the connecting piece and the bending radius adjustment mechanism, while adjusting the bending radius of the cables on both sides of the hook assembly, the cable can also be adaptively tensioned, preventing the situation of cable conveying jamming, and enabling the cable at the bending part to form a stable triangular shape, further avoiding the situation of the suspended load shaking, and improving the overall safety performance of the ship crane.

This invention proposes a building electrical construction safety monitoring system and method based on Internet of Things (IoT) technology. Through image acquisition, modeling, data analysis, and calculation, it accurately identifies potential problems during construction, such as insufficient bending radius and space constraints. Compared to traditional manual inspection methods, this system can assess risks in real time and quantitatively, avoiding the oversights and delays of manual inspections. It can promptly identify potential cable bending risks during the construction phase, providing timely risk warnings to the construction team and helping them take appropriate adjustment measures to avoid serious electrical faults and fire hazards later. It enables optimization of pipeline layout and cable configuration in the early stages of construction, reducing electrical accidents caused by improper bending and ensuring the stability and safety of the building electrical system during long-term operation.

The utility model discloses a serial port joint that improves cable bending radius is provided with the limiting passage that communicates with its inside on the joint body, and the tail end of limiting passage penetrates the outer wall of joint body, and the cable is located inside limiting passage, and gradually increases from the first end to the tail end inner diameter along the length direction of limiting passage. The utility model discloses a limiting passage is arranged on the joint body, when the cable is bent relative to the joint body, on one hand, the limiting passage that gradually increases from the first end to the tail end inner diameter can give the cable enough bending space, on the other hand, the limiting passage can position and support the cable, while ensuring that the joint of the cable and joint body has enough bending freedom, avoids that the cable is damaged by excessive bending.

The invention relates to the technical field of cable direct-current resistance testing, and provides a polymorphic direct-current resistance testing device which comprises a main frame, a to-be-tested cable is arranged above the main frame, a spring clamp is arranged on the side face of the to-be-tested cable, and an electric lifting table is fixedly connected to the side face of the spring clamp. The side surface of the electric lifting platform is slidably connected with a vertical guide rail, and one end of the to-be-tested cable is provided with a test frame. Through arrangement of a cooperative structure of the spiral frame, the adjusting column, the quantitative sliding rail and the electric sliding table, the contact point of the spiral frame and the to-be-tested cable rotates along with sliding of the adjusting column, continuous adjustment of the bending radius is achieved, the problem that in the prior art, the bending form is single due to the fact that the radius of a bending wheel is fixed is solved, and the bending accuracy is improved. Various bending radius requirements in actual working conditions can be simulated, and the authenticity and comprehensiveness of bending testing are improved.

This application relates to the field of metal bending component manufacturing technology, and discloses a method for controlling the bending radius in progressive forming of tubular materials by spinning and bending. The method includes the following steps: S1, obtaining an optimal combination of loading parameters affecting the forming quality indicators of the tubular material through orthogonal experiments; S2, establishing a regression function between the bending radius and the spinning and bending deformation parameters based on the optimal combination and the Maximin Latin square test results through stepwise regression analysis; S3, testing the regression function; if the test passes, obtaining the regression model of the bending radius; if the test fails, returning to step S2; S4, controlling the bending radius under the optimal loading parameter conditions using the regression model. This application incorporates a diameter reduction parameter into the control method, significantly improving the accuracy of bending radius control compared to existing geometric control models. It reduces the average error between tubular bending radius prediction and control from 10.28% to 5.2%, offering advantages such as high forming accuracy, wide applicability, and higher reliability.