63 results about "Deformation Problem" patented technology

The invention relates to the technical field of demolding control, and provides an anti-deformation demolding control method and system for a plastic mold. The method comprises the steps that temperature sensing is conducted on a mold, and the initial temperature is obtained; traversing according to the initial temperature, determining a to-be-preheated area, and performing temperature control calculation to obtain a temperature uniformity coefficient; activating a cooling channel based on the temperature uniformity coefficient, and performing staged cooling to obtain cooling state data; demolding analysis is conducted according to the cooling data, demolding parameters are generated, dynamic association is conducted in combination with environment temperature changes, and a demolding strategy is formulated; simulating and executing a demolding strategy, performing deformation monitoring, generating feedback data, optimizing the strategy and executing anti-deformation demolding operation. The technical problem of mold deformation caused by non-uniform temperature distribution in the demolding process of the plastic mold is solved, and the technical effects of avoiding mold deformation and improving the product quality and the production efficiency by accurately controlling the temperature distribution, the cooling process and the demolding parameters are achieved.

The invention discloses a method and system for constructing an elastic viscoplastic multi-scale constitutive model of a polycrystalline material, and the method comprises the steps: building a single crystal scale constitutive model on the basis of a representative volume element model RVE of the polycrystalline material, obtaining a relation between a stress rate and a strain rate of a single crystal grain, and then obtaining a relation between a stress rate and a strain rate of an RVE scale; establishing a relationship among an affine strain rate, a stress local tensor and a strain local tensor; setting the initial strain increment of a single crystal grain as the overall strain increment, and obtaining the stress increment of the RVE scale through finite element analysis iterative calculation. The method is suitable for solving the deformation problem under the complex boundary condition, the relation between the strain increment and the stress increment is defined through the algorithm tangent operator and the affine strain increment, and the calculation accuracy is improved.

The invention relates to a method for preventing welding deformation of a wing framework and a skin, belongs to the technical field of welding, and solves the problem that the welding deformation is easy to occur when the existing laser welding technology is used for welding the wing framework and the skin. The invention discloses a method for preventing welding deformation of a wing framework and a skin. The method comprises the following steps that S1, a tool clamp used for welding the wing framework and the wing framework and the skin is designed; s2, parts of the wing framework to be welded are assembled on the base plate; s3, after assembly, chord plane measurement is carried out; s4, the joints of the wing framework are welded in a laser welding mode; and S5, chord plane measurement and shape correction are carried out on the wing framework obtained through welding. By optimizing the tool clamp, the assembly procedure, the welding sequence, chord plane measurement and shape correction, the deformation problem of the wing framework and the skin in the laser welding process is effectively controlled and reduced, and the welding deformation can be controlled to be + / -0.5% or below.

The invention relates to an injection molding machine self-adaptive machining control method and system based on material characteristics, and relates to the technical field of injection molding machining control. The method comprises the steps that material characteristic data and initial control parameters of injection molding materials produced by an injection molding machine are collected; according to the material characteristic data and the initial control parameters, injection molding machining flash prediction is conducted, and the flash size is obtained; adjusting step length according to the flash size configuration, optimizing the initial control parameters to obtain adjusted control parameters, predicting injection molding processing flash and injection molding short-shot deformation, and obtaining adjusted flash size and adjusted short-shot parameters; injection molding cost parameters and injection molding quality parameters are obtained through calculation according to the adjusted flash size and the adjusted short shot parameters, optimal control parameters are obtained through iterative optimization, and machining control is conducted. The method solves the problems that a traditional machining control method mostly depends on fixed parameter machining, material characteristic fluctuation is difficult to cope with, burrs formed when materials overflow from a mold and product deformation caused by short injection cannot be solved, and the product quality machining precision is insufficient.

The invention discloses a method for determining the elastic strain energy of a circular film under transversely and uniformly distributed loads, which comprises the following steps of: applying a transversely and uniformly distributed load q to a circular film which is flat before deformation, has the periphery fixedly clamped, the radius a, the thickness h, the Young's elastic modulus E and the Poisson ratio v, and determining the elastic strain energy of the circular film under the transversely and uniformly distributed load q; the elastic strain energy U after the axial symmetry deformation of the circular film can be determined by utilizing the measured value of the load q based on the static equilibrium analysis of the axial symmetry deformation problem of the circular film.

The application relates to an injection molding machine adaptive processing control method and system based on material characteristics, and relates to the technical field of injection molding processing control, and comprises the following steps: collecting material characteristic data and initial control parameters of injection molding materials produced by an injection molding machine; performing injection molding processing flash prediction according to the material characteristic data and the initial control parameters to obtain a flash size; adjusting a step length according to the flash size, optimizing the initial control parameters to obtain adjusted control parameters, and predicting injection molding processing flash and injection molding short shot deformation to obtain an adjusted flash size and an adjusted short shot parameter; and calculating the injection molding cost parameter and the injection molding quality parameter according to the adjusted flash size and the adjusted short shot parameter, iteratively optimizing the optimal control parameter, and performing processing control. The application solves the problem that the traditional processing control method depends on fixed parameter processing, cannot cope with material characteristic fluctuation, cannot solve the product deformation problem caused by burrs and short shots formed by material overflow from a mold, and causes insufficient product quality and processing precision.

The utility model relates to the technical field of cross beam type goods shelves, and discloses an anti-deformation cross beam type goods shelf which comprises a goods shelf body, sliding grooves are formed in the two sides of the top of the goods shelf body, a plurality of square blocks are fixedly connected to the tops of inner cavities of the two sliding grooves, and clamping blocks which are symmetrical in pairs are connected to the tops of the square blocks in a clamped mode. The top of each clamping block is fixedly connected with a connecting block, a placing plate is jointly and fixedly connected between every two symmetrical connecting blocks, so that different objects can be placed, the multiple sets of first reinforcing plates and second reinforcing plates are connected in a sliding and inserting mode, different force bearing points of the goods shelf body can be placed and supported in a targeted mode after the different objects are placed, and the placing effect of the goods shelf body is improved. Therefore, the problem of deformation of the goods shelf main body due to the fact that the stress point of the goods shelf main body is adjusted after an object is placed and the supporting point of the goods shelf main body is not adjusted is avoided, and the height of the goods shelf main body can be adaptively adjusted to a certain extent under the supporting condition of the supporting plate through rotation of the two rotating threaded sleeves.

The present invention provides a stamping die with a deformation suppression mechanism after workpiece forming, which includes: an upper die mechanism; a lower die mechanism; a deformation suppression mechanism, which includes two symmetrically arranged deformation suppression components, the deformation suppression components include a mounting seat and a swing rod, the first end of the swing rod is connected to the mounting seat through a rotating shaft, and a reset component is mounted on the rotating shaft, the second end of the swing rod has a tapered surface, the edge of the workpiece is placed on the positioning plane of the tapered surface, the swing rod swings within an angle range of 10-19 degrees, and the workpiece is swung by the swing rod after stamping to remove the material. Compared with the prior art, the present invention can effectively overcome the deformation problem of the forming part and the edge connection when removing the material and taking the workpiece.

The present application relates to a kind of carbon fiber composite reflector mould surface new design method, belong to satellite antenna field;For the thermal deformation in the curing process of reflector, chemical shrinkage deformation and the deformation problem caused by mould, consider the thermal deformation influence of carbon fiber resin matrix composite material from rubber state to glass state whole cycle process, and according to the mould surface compensation of thermal deformation analysis result is carried out.Formation of reflector three-dimensional analysis model;The reflector is according to the rubber state and glass state of corresponding solidification process Double-state whole solidification cycle thermal deformation analysis is carried out, and three-point boundary constraint analysis method is proposed, and it is consistent with the working condition of reflector curing;In the solidification cycle of reflector, the interfacial stress of mould to reflector is extracted, and it is superimposed into reflector thermal deformation and is compensated jointly, through the thermal deformation joint compensation of reflector and mould, the mould surface design for high-precision composite material reflector manufacturing is realized, meet the need of high-precision antenna reflector to surface precision.

The utility model discloses a special indexing device for processing a titanium alloy workpiece, which belongs to the technical field of titanium alloy workpiece processing and comprises a base and a plate body positioned on the base, the plate body is integrally welded on the base, an indexing plate designed in a C shape is mounted on the inner side of the plate body, and the indexing plate is positioned on the base. A ratchet wheel and a pawl installed above the ratchet wheel are further arranged in the disc body, a handle is further installed in the disc body, the handle is of a cylindrical design, and one side of the handle penetrates through the side portion of the disc body and horizontally extends to the outside, so that people can operate the handle on the outer side of the disc body, and the handle is connected with the ratchet wheel in a matched mode. The ratchet wheel can be driven when the handle rotates, and a plurality of semi-annular cams are installed on the inner wall of the disc body. According to the indexing device special for machining the titanium alloy workpiece, the machining efficiency of titanium parts is improved, the workpiece deformation problem caused by strict control over the clamping force is solved, the rejection rate of products is greatly reduced, and the strict size precision is controlled.

The utility model belongs to the field of titanium anode plate machining, particularly relates to a pneumatic bending machine for a titanium anode plate, and aims to solve the problems that an existing bending machine is prone to deviation in the machining process, the reject ratio of products is increased, materials are wasted, and deflection deformation is caused by deformation of a machine frame and a sliding part. Comprising a machine frame, a lower die, an upper die and a deflection correction mechanism, the deflection correction mechanism is arranged between sliding rails on the inner wall of the machine frame in a sliding mode and used for correcting deflection deformation, the deflection deformation can be effectively corrected, the overall length consistency of the bending angle of the titanium anode plate is guaranteed, and the machining precision and the product percent of pass are improved; accurate control and stable supporting are achieved, the production efficiency is improved, and the production cost is reduced; and through an intelligent control mechanism, the operation convenience and the equipment automation level are improved.

The utility model discloses a tool for forming a molded part with a notch, which belongs to the technical field of molded part processing and comprises an upper module, a lower module is arranged on the lower surface of the upper module, an upper bump is fixedly mounted on the inner wall of the top of the upper module, and a lower bump is fixedly mounted on the inner wall of the bottom of the lower module. The inner side faces of the upper die block and the lower die block are each provided with a notch cavity. According to the tool for forming the molded part with the notch, the elastic extrusion device is arranged, and during demolding, an extrusion spring can provide buffering force, so that the molded part is gradually separated from the notch of the tool, the problems of cracks and deformation at the notch caused by too large instant external force are solved, and the demolding yield of the molded part is greatly increased; due to the adjustability of the elastic extrusion device, the tool can adapt to production of notched molded parts with different size and shape requirements, the extrusion force can be changed by adjusting the compression degree of the extrusion spring, and machining of the molded parts with different materials and process requirements is met.

The application relates to the technical field of precision machining machine tools, and discloses a milling mechanism and method for a compound lathe, which comprises a milling execution module for milling a workpiece, a workpiece fixing module for clamping and driving the workpiece, an auxiliary supporting module, and a control module; the auxiliary supporting module is used for providing dynamic support for the workpiece during milling, and comprises a supporting assembly, a displacement driving unit, a detection unit, and a position calibration unit; the supporting assembly is used for being in contact with the surface of the workpiece; the displacement driving unit is connected with the supporting assembly and is used for driving the supporting assembly to move along the axial direction of the workpiece. According to the application, the auxiliary supporting module is arranged, the static deflection deformation problem of an elongated shaft caused by insufficient rigidity of the elongated shaft is solved, the module provides accurate radial supporting force by tracking a milling point in real time, the bending of the workpiece during machining is directly compensated, the straightness, cylindricity and other geometric tolerances of the workpiece are ensured, and the machining geometric precision is improved.

The invention discloses a machining method for controlling deformation of a roller neck of a slender roller. The machining method comprises turning machining and grinding machining. Hardening and tempering and first-time stress relief are further included before turning; secondary stress removal is carried out after turning and before grinding; a clamping mode of clamping and jacking is adopted in turning, a three-jaw self-centering chuck in a machine tool spindle box is used for clamping the left end of the slender roller, the right end of the slender roller is jacked by an elastic live center, and an open steel wire ring is padded between the three-jaw self-centering chuck and the slender roller. According to the machining method, a whole-process standardized machining method including quenching and tempering heat treatment, turning machining, grinding machining and the like is formulated for the slender roller, a method for controlling deformation of the roller neck of the slender roller is formulated for each working procedure, and the problem of deformation of the roller neck of the slender roller caused by factors such as gravity and thermal deformation can be effectively solved by adopting the machining method; the machining quality and the machining efficiency are greatly improved, and the defects of an existing machining technology are overcome.

This application belongs to the field of cleaning robot technology, specifically relating to a non-deformable space installation structure using a jig. It includes a base shell and a collision drop bracket. The base shell has a movable groove for the collision drop bracket to connect and mate with. The movable groove allows the collision drop bracket to extend upwards in a first orientation and restricts its downward disengagement in a second orientation. This application achieves pressure-free assembly by designing the movable groove to only allow the collision drop bracket to extend upwards in the first orientation and restrict its downward disengagement in the second orientation. This fundamentally avoids the problem of plastic deformation caused by external force during installation, ensuring the buckle height and structural integrity. Simultaneously, this directional assembly method and the precise constraint of the movable groove allow the bracket to maintain a preset minimum movement gap within the groove for smooth forward and backward sliding, while effectively suppressing wobbling caused by excessive gaps.

The invention discloses a special-shaped part tool clamp and a using method, aims at solving the technical problems that machining holes in the edge of a special-shaped thin plate are prone to deformation, and interference is prone to occurring during clamping due to the fact that special-shaped parts are uneven in structure distribution and irregular in shape, and belongs to the technical field of clamps. The clamping jaw comprises a jaw seat and an aligning bolt, the jaw seat comprises a center shaft, a first circular boss is arranged at one end of the center shaft, a second circular boss is arranged at the other end of the center shaft, a stud is fixed to the center of the outer side of the first circular boss, a fastening nut is assembled on the stud, and a plurality of clamping jaws are connected to the circumferential face of the center shaft in the radial direction. Threaded holes are formed in the positions, close to the tops, of the clamping jaws in the direction parallel to the axis of the center shaft, and the aligning bolts are screwed into the threaded holes. By designing the special-shaped part tool clamp adapting to the appearance characteristics and the machining characteristics of the part, the purposes of manufacturing a plurality of threaded holes and unthreaded holes in the thin plate special-shaped part and meeting the corresponding tolerance and position degree are achieved.

The utility model discloses a saddle welding anti-deformation tool which comprises a saddle body, a first processing assembly is arranged at one end of the saddle body, second processing assemblies are arranged on the two sides of the first processing assembly, through the arrangement of the first processing assembly, the saddle body can be accurately positioned and rigidly fixed, and the saddle body can be firmly fixed. The problem of bottom plate deformation caused by thermal stress in the welding process is effectively restrained, the deformation risk caused by infirm fixation in a traditional spot welding process is avoided, then the second processing assembly is matched with the adjusting screw through the two-way screw, saddle bodies of different sizes can be flexibly matched, multi-direction fine adjustment is achieved, and the welding quality is improved. And the flatness and the assembly precision of the saddle before welding are ensured, and the flatness standard with high requirements is met, so that the procedures of manual shaping and grinding are reduced, the production period is remarkably shortened, the rework rate and material waste are reduced, and the overall production efficiency is improved.

The present invention relates to the technical field of pulley casting molds, and discloses a grooved pulley casting mold and a casting method thereof, comprising a base plate and an adapted mold body, wherein a coaxially connected turntable and an adjusting roller are installed on the mold core column. In terms of workpiece forming and mold protection, the present invention uses the indentation plates staggered and evenly distributed on the side walls of the mold core column to achieve local and gradual separation of the mold core and the workpiece, thereby avoiding the problem of workpiece deformation caused by uneven force and effectively ensuring the forming quality of the grooved pulley; at the same time, through the linkage design of the adjusting roller, the sleeve and the spring plate, the deformation position of the spring plate gradually changes, thereby avoiding the impact force generated by the instantaneous separation of the workpiece and the mold core, and preventing the mold core from being damaged due to the concentration of demolding stress. This innovative design not only ensures the high-precision forming of the workpiece, but also significantly improves the durability of the mold, reduces the production loss and cost caused by poor workpieces and mold damage, and achieves a dual improvement in workpiece quality and mold life.

To solve the technical problem that the existing mechanical auxiliary support cannot realize the elastic deformation control in the milling process of the thin-walled annular part, the present application provides a thin-walled annular part processing elastic deformation active control device and method. The present application builds a clamping module to realize the positioning and clamping of the thin-walled annular part; designs an active support module to apply controllable support force to the inner surface of the thin-walled annular part through multiple independent and support force controllable support devices, providing a basis for the active control of the elastic deformation in the milling process; and combines the deformation monitoring module and the regulation and control module to realize the active control of the elastic deformation in the processing of the thin-walled annular part for the first time, solving the elastic deformation problem caused by the introduction of the milling force in the processing of such thin-walled annular parts.

The invention discloses an SLM forming part process parameter optimization method based on an evolutionary mixing and melting method, and belongs to the field of metal additive manufacturing. The method comprises the following steps: firstly, selecting key process parameters such as laser power, scanning speed, scanning spacing and powder laying thickness, performing numerical calculation on a deformation problem in an SLM forming process by taking deformation of an SLM forming part as a response index to obtain deformation data, and constructing a mathematical relationship model between the process parameters and the deformation through a response surface method, so as to obtain the deformation data of the SLM forming part; therefore, the deformation can be predicted; then, an evolutionary mixing and melting method is adopted for optimizing technological parameters, the evolutionary mixing and melting method is used for conducting evolutionary operation in predation and migration behaviors of the black wing plinostratums, candidate solutions are generated through two evolutionary strategies, evolution vectors are generated through weighted mixing, and mixed probability factors are introduced to generate test individuals; and whether a new solution is accepted or not is determined by comparing the fitness of the test individual and the fitness of the original solution, so that the technological parameters are optimized, and the deformation of the SLM forming part is reduced. The method can accurately predict and optimize the process parameters, reduce the deformation of the formed part, simplify the parameter adjustment process, reduce the production cost and improve the production efficiency.

The utility model discloses an aviation engine casing shell block cover's anti -deformation processing special fixture belongs to aviation engine spare and part manufacturing technical field. The fixture includes the clamping body (1), the compression screw cap (2), the support (3) and the open sleeve (4). The clamping body (1) is equipped with the hole matching with the part outer circle, adopts H7 / g6 cooperation to realize accurate positioning, the compression screw cap (2) is connected with the clamping body thread, is used for the axial compression spare, the support (3) is fixed on the clamping body top through the bolt, and its support sleeve is adopted gap cooperation with the part high outer cylinder, provides radial support, the open sleeve (4) is the split type structure, is covered in high outer cylinder and is locked through the bolt and plays the supplementary support. The fixture through multiple anti -deformation design has solved 7075 aluminum alloy thin -walled spare processing deformation problem, has guaranteed high outer cylinder upper through -hole axis relative to the base outer circle axis position degree tolerance out -of -tolerance problem, makes the part qualified rate from less than 30% to improve to 95% above.

The invention discloses a control method for improving the forming deformation of a plate-shaped sizing material, which comprises the following steps of: 1, performing shrinkage deformation simulation through mold flow analysis software based on product 3D (three-dimensional) data to obtain product deformation distribution data; 2, according to the product deformation distribution data obtained in the step 1, reverse pre-deformation compensation design is conducted on a mold cavity; 3, at least three glue inlets are formed in the top of the mold, the middle glue inlet corresponds to the middle section area of the top of the mold cavity, and the side glue inlets in the two sides correspond to the left section area and the right section area of the top of the mold cavity respectively; and 4, during injection molding, the opening and closing sequence of the pouring gate is controlled according to the following time sequence: in the first stage, the middle glue inlet is independently opened for glue injection, and the duration is T1; in the second stage, the side edge glue inlets in the two sides are opened, the side edge glue inlets and the middle glue inlet are made to conduct glue feeding synchronously so that residual glue injection can be completed jointly, and the synchronous glue feeding duration is T2; therefore, the deformation problem of the platy rubber material during injection molding is effectively improved.

The utility model discloses a kind of metal cabinet side panels with anti-deformation reinforcement belongs to metal cabinet side panel technical field, and its technical scheme main points include inner frame, concave frame and front frame, the front frame is located in the front side of inner frame, the concave frame is installed in the back of inner frame, the inside of the concave frame is fixedly connected with inner rib, the front side of the inner frame and the back of the front frame are all set with cooperation groove, filling capsule is clamped between two cooperation grooves, through multilayer structure design, solve the deformation and impact influence problem of existing metal cabinet side panel, it is filled with polyurethane foam by riveting structure and inner rib of inner frame and concave frame and enhances rigidity, deformation problem under long-term bearing and installation stress is responded, guarantee structure stability and aesthetic appearance;Utilize filling capsule and viscous oil between front frame and inner frame, provide elastic buffer for external collision, reduce the direct damage of impact to side panel and the influence to internal article, avoid article to dump.

To improve practicality in a shape-stabilized mold.SOLUTION: In a normal copper mold to be used for continuous casting of steel, thermal deformation due to thermal expansion occurs with an increase in the number of uses, thereby hindering stability of quality and operation. A novel graphite mold solves the problem of expansion and deformation, but is practically difficult to use in operation due to its fragility. In the present invention, an upper part of the mold where deformation occurs is made of graphite to which prestress is introduced, and a lower part of the mold where scratches, wear, and impacts become problems is formed of a heat-resistant and wear-resistant metal instead of copper. For inevitable damage generated in the graphite part during discharge of a top portion of a slab remaining in the mold due to a casting accident, a mechanism is incorporated to immediately retreat the mold upward at the time of accident occurrence, and separate the mold from the slab, thereby improving durability of the mold.SELECTED DRAWING: Figure 1

The application provides a thin-wall special-shaped workpiece correcting device and a correcting method. The thin-wall special-shaped workpiece correcting device comprises a clamping plate correcting device. The clamping plate correcting device is composed of a first steel mold clamping plate and a second steel mold clamping plate. A heating correcting gap is formed between the first steel mold clamping plate and the second steel mold clamping plate. A clamping adjusting assembly is arranged between the first steel mold clamping plate and the second steel mold clamping plate. In the application, the internal stress of the thin-wall special-shaped workpiece is released through low-temperature heating, and the heating and fastening cycle mode is adopted to effectively solve the deformation problem. In addition, the correcting method in the application can make the thin-wall special-shaped workpiece reach the delivery standard, avoid post-deformation, and effectively improve the production quality.

The invention relates to the technical field of thin-wall part machining, and discloses an anti-deformation machining method for a special-shaped complex thin-wall workpiece. An ejection base is included, a special-shaped workpiece is welded to the bottom of the ejection base, a special-shaped mold is arranged in the special-shaped workpiece, and a positioning plate is detachably installed at the top of the special-shaped mold through a bolt; ejection screw holes are formed in the two sides of the surface of the positioning plate, a runner groove is formed in the outer wall of the special-shaped workpiece, and a pouring hole is formed in the inner bottom wall of the special-shaped mold. By designing the uniformly distributed ejection screw holes, the ejection screws are in threaded connection in the ejection screw holes, and the ejection screws are rotated to move downwards, so that the special-shaped mold and the special-shaped workpiece can be separated, uniform stress is ensured, and product deformation in the removal process is prevented. The problem of machining deformation of the 3mm-level ultrathin-wall special-shaped complex curved surface part is solved, the overall deformation of the casting is controlled within + / -0.3 mm, and the machining precision of the casting is ensured.

The utility model relates to the technical field of clamps, and provides an anti-deformation clamp for workpiece machining. The positioning piece is connected to the supporting seat; the first pressing plate is movably arranged above the supporting seat; the second pressing plate is movably arranged above the supporting seat; the first hydraulic supporting cylinder and the second hydraulic supporting cylinder are arranged on the positioning piece; and the supporting column is rotationally arranged above the supporting seat. Compared with the prior art, the clamping device has the advantages that one side of the thin-wall structure is fixed through the first hydraulic supporting rod and the second pressing plate, the supporting column is driven by the second hydraulic supporting cylinder to abut against the lower portion of the thin-wall structure, the workpiece is fixed, and meanwhile the deformation problem of the thin-wall structure can be solved.

The invention relates to an anti-deformation device for assembling and welding a cross-shaped steel column, which can effectively solve the problem of deformation of the cross-shaped steel column in the assembling and welding process, and adopts the technical scheme that the anti-deformation device comprises a fixing device and a steel structure mould, the fixing device is a circle formed by connecting a detachable arc-shaped top plate, two detachable arc-shaped side plates and a fixed arc-shaped plate together, the fixed arc-shaped plate is welded to the steel structure mould through a welding rib plate, and a steel structure cross-shaped column is placed on the steel structure mould. The T-shaped beam and the H-shaped beam to be assembled are completely fixed by externally applying pressure to the T-shaped beam and the H-shaped beam to be assembled, and then are welded, so that the problem of deformation of components in the welding process is solved, the forming quality is improved, the use effect is good, the labor intensity of workers is reduced, and the production efficiency is improved. The anti-deformation device is an innovation of the anti-deformation device for assembling and welding the cross steel column.

The present application relates to a kind of methods for preventing wing skeleton and skin from welding deformation, belong to welding technical field, solve the problem that existing laser welding technology is used for welding wing skeleton and skin when easily welding deformation.A kind of methods for preventing wing skeleton and skin from welding deformation, comprising the following steps: S1, design the tooling fixture for welding wing skeleton and wing skeleton and skin;S2, the parts of the wing skeleton to be welded are assembled on substrate;S3, after assembly, chord plane measurement is carried out;S4, using laser welding method, the joint of wing skeleton is welded;S5, the chord plane measurement of wing skeleton obtained by welding is carried out, and is corrected.The present application effectively controls and reduces the deformation problem of wing skeleton and skin in the process of laser welding by optimizing tooling fixture, assembly procedure, welding sequence, chord plane measurement and correction, and welding deformation can be controlled below ±0.5%.