41 results about "Variable thickness" patented technology

A method of bonding a smaller substrate, such as a die, to a larger substrate, such as a wafer. The method includes forming a bulge at a front side of the larger substrate by releasably securing a backside of the larger substrate to a rigid chuck, bonding the smaller substrate to the bulge at the front side of the larger substrate, and allowing the bulge to flatten by releasing the larger substrate from the rigid chuck. A variable thickness material on the backside of the larger substrate induces the bulge at the front side of the larger substrate. The method may also include forming the variable thickness material on the backside of the larger substrate. Multiple bulges may be induced at the front side of the larger substrate. Multiple smaller substrates may be bonded to a single bulge.

We offer iron-type golf club heads with variable thickness faces. [Solution] With respect to a golf club head, the striking face has a thick central region and a peripheral region where the thickness decreases, thereby improving the performance of the golf club head.

An intraocular lens having an anterior optic with a central dynamic zone configured to undergo a shape change for accommodative function, the anterior optic including a dynamic membrane having a differential thickness gradient between its posterior and anterior surfaces. Related devices and methods are provided.

The invention provides a forming tool and a preparation method of a variable-thickness composite pipe fitting. In the tool, the two ends of a forming die are fixedly installed on supporting columns at the two ends through screws correspondingly; the profile surface of the forming die is arranged according to the profile surface of the inner wall of the composite material pipe fitting, and target heads are arranged in allowance areas of the two ends of the forming die respectively; in the paving process of the composite material pipe fitting, accurate positioning of a paving layer area is achieved through cooperation of the target head and the laser projection equipment; when the pipe fitting is demoulded, the demoulding assembly is mounted on a forming mould through the connecting piece so as to demould the pipe fitting, the annular top plate of the demoulding assembly is in contact with the end face of the formed composite material pipe fitting, and displacement is provided for the annular top plate through the fixing ring attached to the annular top plate, so that demoulding of the composite material pipe fitting is completed. The method solves the problems that variable-thickness pipe fittings are difficult in thickness control, multiple in wrinkles, easy to damage during demolding and the like, improves the product quality and the production efficiency, and is suitable for batch manufacturing of complex pipe fittings in the fields of aerospace, automobiles and the like.

Systems and methods to determine a thickness profile of nested metallic pipes can include processing long sections (windows) of induction multi spacing and multi frequency noncollocated sensor measurements (attenuation and phase). The systems and methods also include using an inversion based process to deconvolve the tool transfer function from the surrounding pipe structure and its anomalies by running an axisymmetric finite element method ( FEM modeling solver with a model in an inversion loop.

A golf club head with improved striking face is disclosed. More specifically, the present invention relates to a golf club head wherein the striking face has a central region of increased thickness and surrounding regions having decreasing thickness to improve the performance of the golf club head.

This invention discloses an additive manufacturing path planning method and system for the head of an ultra-high strength steel deep blind hole shell component. The method includes: acquiring a three-dimensional geometric model of the component to be formed; identifying and extracting the internal cavity surface and edge contour features of the head of the deep blind hole shell component; generating a variable thickness layered slicing scheme based on the internal cavity surface and edge contour features; adopting a multi-level partitioning strategy within each layer based on the variable thickness layered slicing scheme, and designing the main path direction and scanning angle for each region; generating an adaptive spiral progressive filling path that can suppress residual stress and deformation based on the main path direction and scanning angle; and generating a processing instruction file that can directly drive additive manufacturing equipment based on the adaptive spiral progressive filling path. Using this invention, active control of the heat distribution and shrinkage deformation within the internal cavity of the head of the ultra-high strength steel deep blind hole shell can be achieved, improving the forming accuracy, internal quality, and mechanical property consistency of the component.

A lightweight and durable window well is composed of a long fiber reinforced thermoplastic (LFRT). The lightweight and durable window well has at least some fibers that are omnidirectional relative to the other fibers in the thermoplastic. Additionally, at least some fibers of the LFRT have a length greater than 40 mm. The window well also has a body having a plurality of ribs interposed between a plurality of wall surface portions. Additionally, each rib is positioned between two different wall surface portions and is defined by a variable height and a variable depth. Furthermore, the wall surface portions have a variable thickness that varies from a minimal thickness of less than 3 mm to a maximum thickness of greater than 5 mm, with the wall surface being thicker near the ribs than at portions furthest from the ribs in the wall surface.

The present application relates to the technical field of metal cutting, in particular to a kind of rolling differential thick plate finishing equipment of periodic variable cross-section thickness, including the conveying belt being arranged on machine tool base, and two groups of T-shaped seat being oppositely arranged on both sides of machine tool base, two groups of T-shaped seat are all equipped with disc cutting group, when using, by driving part driving disc cutting group is rotated, when the thick area of equipment shearing differential thick plate to be sheared, cooperate transmission part to make disc cutting group obtain relatively lower speed, disc cutting group speed reduces, to adapt to the requirement of large shear force, relatively lower linear velocity needed by thick area shearing, guarantee shearing completely and smoothly, when the thin area of equipment shearing differential thick plate to be sheared, cooperate transmission part to make disc cutting group obtain relatively higher speed when shearing thin area, match the higher linear velocity needed by sheet shearing, optimize shearing quality, realize high speed, self-adapting, high quality finishing to periodic variable thickness differential thick plate.

The invention relates to a composite material transmitting tube with a variable-thickness section structure and a forming method, and the composite material transmitting tube comprises a front end frame (1), a rear end frame (2), and a composite tube body (3) used for connecting the front end frame (1) and the rear end frame (2); the composite tube body (3) comprises a front end frame connecting structure (31), a middle connecting structure (32) and a rear end frame connecting part structure (33) which are sequentially arranged in the longitudinal direction of the composite material transmitting tube. The middle connecting structure (32) is provided with a plurality of variable thickness parts (32A) which are sequentially connected in the circumferential direction; in the transverse direction of the composite material transmitting tube, the variable-thickness part (32A) is of a symmetrical structure, and the thickness of the variable-thickness part (32A) is gradually reduced in the direction from the middle to the edge. According to the scheme, the composite material launching tube which is excellent in strength and rigidity and light in weight is effectively provided, so that the composite material launching tube has a wider application range and potential.

The invention provides a knowledge-based large integral panel shot peening forming process parameter design method. From the part level, the area level to the path section level, part level parameters (nozzle specification, nozzle diameter, shot specification, shot flow, spraying distance, spraying angle and prestress level), area level parameters (spraying air pressure) and path section level parameters (feeding speed) in the shot blasting process are determined step by step by using verified shot blasting forming process knowledge; and the reliability of parameter design is ensured, so that all process parameters meet the engineering use requirements. Aiming at the characteristics of variable thickness and air pressure change of the whole wallboard part, the shot blasting path is partitioned based on injection air pressure adjustment, a plurality of injection air pressure equivalent regions with feasible process are formed, and the high efficiency of processing is ensured; and the speed similarity of the discrete points and the deviation between the combined path section and the original path are comprehensively considered, the original discrete points are combined into the path section with the equal feeding speed, the machining efficiency is improved, and meanwhile the shot peening forming quality of the whole wall plate is guaranteed.

The present application relates to the field of automobile body structure, and more particularly to an integrally formed middle and rear floor beam frame structure, comprising: a monolithic hot forming body, integrating a cross beam and a longitudinal beam, the cross beam comprising a middle cross beam and a rear cross beam, the longitudinal beam comprising a left longitudinal beam and a right longitudinal beam, and a round corner transition structure at the connection between the longitudinal beam and the cross beam; the monolithic hot forming body is made of a laser welding variable thickness sheet through an integrated hot stamping forming process, the variable thickness sheet comprising at least two regions with different thicknesses, a high stress region using a first thickness sheet, the high stress region comprising a longitudinal beam and cross beam intersection area, a subframe mounting point periphery, and a longitudinal beam bending transition section; a low stress region using a second thickness sheet smaller than the first thickness, the low stress region comprising a longitudinal beam middle non-load bearing section and a cross beam lateral extension section. It integrates multiple traditional parts into one core component, greatly reducing the number of molds, welding processes and assembly time, reducing cumulative errors, and improving production efficiency.

The present application relates to a WAAM reinforced variable-thickness welded I-beam and a manufacturing method thereof. The variable-thickness welded I-beam comprises flanges, a web welded with the flanges and a WAAM stiffener, wherein the flanges are longitudinal variable-thickness steel plates, the web is an equal-thickness steel plate or a longitudinal variable-thickness steel plate, and the WAAM stiffener is arranged at the top end of the flange and integrally formed at the top end of the flange by a wire-arc additive manufacturing technology. The longitudinal variable-thickness flange combined with the WAAM stiffener reinforcing structure not only has a simple processing technology and significantly reduces the amount of steel material, but also has good seismic performance. The manufacturing method uses the WAAM technology to manufacture the stiffener, can realize integrated forming of complex shapes, eliminates traditional welding, cutting and other processes, simplifies the manufacturing process, and reduces material waste.

1. A coated steel sheet having a variable thickness in the rolling direction, with one portion rolled at a rolling ratio of 1 to 60% and at least another portion rolled at a different rolling ratio, wherein the coating comprises optional elements selected from zinc, silicon, magnesium, maximum 3.0 wt% iron, Ni, Zr, Hf, Sr, Sb, Pb, Ti, Ca, Mn, Sn, La, Ce, Cr or Bi, each of which has a content by weight of less than 0.3 wt%, optionally maximum 100 ppm calcium, and maximum 0.02 wt% unavoidable impurities, the balance being aluminum, and wherein the coating has a thickness of 50 to 500 g / m2 on both sides combined before flexible rolling. 2 Coated steel sheets with variable thicknesses having coating weights of

The embodiment of the invention discloses an assembled and synthesized superposed shear wall and a construction method thereof. According to one specific implementation mode of the assembled and synthesized superposed shear wall, formwork shells on the two sides are in a variable thickness form that the edge component area is thin, and the wall body area is thick, the thickness of the formwork shells in the edge component area is controlled to be 30-40 mm, the thickness of the formwork shells in the wall body area is controlled to be 50-70 mm, the strength grade of formwork shell concrete is not lower than C60, and the strength grade of the formwork shell concrete is not lower than C30. The edge component area vertical load-bearing steel bars and the stirrups are all arranged on the middle post-pouring part. By optimizing the thickness of the formwork and optimizing the strength grade of the formwork and the concrete of the middle post-cast part, it can be guaranteed that the overall compressive property of the edge component area is not lower than that of a traditional cast-in-place edge component, and the deformation capacity of the overall superimposed shear wall is not weakened; the problems that in the prior art, due to the fact that shear wall edge component stirrups are reserved on one side of a formwork, production is complex, collision is prone to occurring, and the standardization degree of the formwork is low can be solved, and the problem that anti-seismic calculation of the formwork is not clear is solved.

A crownplate for a golf club head includes a shell formed from a first plurality of pre-preg plies and a second plurality of pre-preg plies and defining a first thickness area and a second thickness area. The first plurality of pre-preg plies includes a resin material and a first plurality of fibers and the second plurality of pre-preg plies includes a resin material and a second plurality of fibers. The first plurality of pre-preg plies have a first tensile strength and a first amount of graphene, and the second plurality of pre-preg plies have a second tensile strength and a second amount of graphene. The second plurality of pre-preg plies define an outer periphery of the crownplate.

The invention relates to a low-hysteresis low-loss variable-thickness fingertip sealing device, and belongs to the technical field of fluid mechanical sealing. The sealing device comprises a rotor, a front baffle, a rear baffle and a sealing piece set clamped between the front baffle and the rear baffle, and is characterized in that a back pressure cavity is formed in the rear baffle, and the sealing piece set is formed by stacking at least three layers of sealing pieces with different thicknesses; the sealing piece I, the sealing piece II and the sealing piece III are sequentially arranged in the direction from the high-pressure side to the low-pressure side of fluid. Reasonable regulation and control of rigidity distribution can be effectively achieved, high fluid loads can be stably borne, through the synergistic effect of the back pressure cavity formed in the rear baffle and the rhombic surface texture of the non-contact area, the working environment of the sealing piece can be optimized, the active utilization capacity of pressure energy of high-pressure fluid can be enhanced, and the sealing piece can be used for sealing the high-pressure fluid. The design contradiction of rigidity-flexibility-energy consumption of a traditional equal-thickness fingertip seal can be relieved fundamentally, and the equal-thickness fingertip seal is suitable for high-parameter, long-service-life and high-reliability rotary mechanical seal scenes.

The application discloses a basic agent model and a ship lightweight optimization design method of variable-thickness steel plates, and belongs to the technical field of ship structure optimization related to finite element numerical simulation. The application solves the problem that the traditional ship variable-thickness structure optimization method in the prior art is difficult to obtain an optimal ship variable-thickness structure due to low precision and efficiency; the application establishes a ship longitudinal stiffened plate finite element model based on the geometric configuration of the ship longitudinal stiffened plate; defines core design variables of the ship longitudinal stiffened plate finite element model, sets constraint conditions, and constructs an objective function; adopts a Latin hypercube sampling method to perform test design, integrates output response values, and forms a DOE sample database; adopts a Kriging model to establish an agent model in combination with sample point correlation; and adopts a simulated annealing algorithm to output optimal design variable values. The application effectively improves the ship lightweight optimization efficiency and precision, and can be applied to the lightweight design of variable-thickness steel plate ships.

The invention provides a pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device. The pneumatic variable-thickness rotary hyperboloid weight type windage yaw prevention stabilizing device is characterized by comprising a bowl-shaped main body, a connecting piece and a ball bearing, the bowl-shaped main body adopts a rotating double-curved-surface aerodynamic appearance which is thickened in the center and gradually thinned on the peripheral side and is designed in a thickness-variable manner, so that the bowl-shaped main body has an axial symmetry characteristic; two sides of the bowl-shaped main body are respectively provided with at least one connecting piece, the upper end of the connecting piece is connected with a ball bearing, and the ball bearing is sleeved on an overhead transmission line. The device does not need to depend on the single gravity effect for protection, is light in structure and easy and convenient to install, and can be directly applied to a built power transmission line without large-scale transformation of an existing line. Through the synergistic effect of pneumatic optimization and the counterweight effect, the windage yaw prevention performance of the line can be remarkably improved under the multi-wind-direction and complex pneumatic environment.

The invention discloses a vacuum diffusion welding pressurizing device for a large composite plate blank, relates to the technical field of vacuum diffusion welding, and aims to solve the technical problem that the overall combination quality of the composite plate blank is poor due to the fact that most of the current vacuum diffusion welding pressurizing devices are of rigid fixed structures and are difficult to adapt to variable-thickness composite plate blanks. Through modularization and self-adaption design of the pressurization assembly, the self-adaption pressure head part endows the pressure plate part with angular deflection and axial telescopic capacity, flexible adjustment is achieved along with the thickness change of the composite plate blank, the pressure of each contact point is uniform, and insufficient local pressure or overload caused by the thickness change is avoided. Through the design of unitized layout and self-adaptive adjustment, the large-size plate blank is covered through cooperation of multiple units, and the local thickness difference is coped with through flexible adaptation in a single unit, so that the variable-thickness composite plate blank keeps uniform pressure and temperature all the time in the welding process, and the welding quality of the variable-thickness composite plate blank is improved. And the welding seam strength consistency and the plate blank overall combination quality are obviously improved.

A golf club head with improved striking face is disclosed. More specifically, the present invention relates to a golf club head wherein the striking face portion has two regions of increased thickness to improve the performance of the golf club head. The two regions of increased thickness may be connected via a connecting member to form an obround shaped thickened region.

The present application relates to sheet metal processing technical field, specifically to a kind of sheet metal component variable thickness and surface texture integrated processing progressive-cutting composite method, comprising: using special tool head integrated with cutting edge and smooth fillet, by planning the motion trajectory and rotation direction of tool head, and generating corresponding numerical control program, according to program instruction dynamic switching the rotation direction of tool head in processing process.When tool head rotates counterclockwise, by the smooth fillet of its end portion, progressive forming is carried out to sheet metal, to realize local thickness thinning;When tool head rotates clockwise, then by the cutting edge on its surface, milling is carried out to sheet metal, to form surface texture.Compared with prior art, the present application can simultaneously complete the manufacturing of sheet metal component with predetermined thickness distribution and surface texture, effectively solve the problems of process separation, low efficiency and high cost in traditional method.

The application discloses a heavy special-shaped variable-thickness steel pipe laser adaptive cutting method and system, relates to the technical field of heavy special-shaped workpiece cutting machining, and comprises the following steps: identifying the geometric shape, surface defects and material texture features of a workpiece and acquiring thickness distribution information of the workpiece according to a collected surface image of the workpiece; acquiring thickness data of different positions of the workpiece based on the thickness distribution information; acquiring an optimal cutting path based on the geometric shape, surface defects, material texture features and thickness data; executing a laser cutting task based on the optimal cutting path, and automatically adjusting laser power, pulse frequency and cutting speed according to thickness changes; and when vibration is detected, compensating for the vibration by means of reverse excitation or dynamic damping adjustment. The application solves the key technical problems in heavy special-shaped workpiece cutting and has a wide industrial application prospect and extremely high popularization value.

A wood-style golf club head having a variable thickness face, a plurality of linear face markings including at least one above and below face center, and face permanent indicia including at least two letters located at least partially on a face toe portion of the face, along with unique relationships to emphasize the contrast of some elements and reduce the contrast of other elements, including a significant contrast between the linear face markings and the face, and a controlled contrast between the face and the face permanent indicia.

A method of bonding a smaller substrate, such as a die, to a larger substrate, such as a wafer. The method includes forming a bulge at a front side of the larger substrate by releasably securing a backside of the larger substrate to a rigid chuck, bonding the smaller substrate to the bulge at the front side of the larger substrate, and allowing the bulge to flatten by releasing the larger substrate from the rigid chuck A variable thickness material on the backside of the larger substrate induces the bulge at the front side of the larger substrate. The method may also include forming the variable thickness material on the backside of the larger substrate. Multiple bulges may be induced at the front side of the larger substrate. Multiple smaller substrates may be bonded to a single bulge.

The invention relates to the technical field of metal cutting, in particular to a periodic variable cross-section thickness rolling differential thickness plate finish machining device which comprises a conveying belt arranged on a machine tool base and two sets of T-shaped bases oppositely arranged on the two sides of the machine tool base, and disc cutting sets are arranged on the two sets of T-shaped bases. When the equipment shears a thick area of a to-be-sheared differential-thickness plate, the transmission part is matched to enable the disc cutting set to obtain a relatively low rotating speed, the rotating speed of the disc cutting set is reduced so as to meet the requirements for large shearing force and relatively low linear speed needed by shearing of the thick area, and it is guaranteed that shearing is thorough and stable; when the equipment shears a thin area of a to-be-sheared different-thickness plate, the transmission part is matched to enable the disc cutting set to obtain a relatively high rotating speed when the thin area is sheared, the disc cutting set is matched with a high linear speed needed by thin plate shearing, the shearing quality is optimized, and high-speed, self-adaptive and high-quality finish machining of the periodic variable-thickness-difference thick plate is achieved.

The invention provides a profiling laser cutting method for a discontinuous variable-thickness profile part, which comprises the following steps of: (1) carrying out profiling filling on a discontinuous thickness abrupt change or non-uniform area of the part, so that the thickness of a material passed by a cutting path is consistent; (2) after finishing profiling filling, cutting with fixed laser power, focal length and gas pressure; according to the cutting mode, the laser beam is vertically emitted and moves in the horizontal direction, or the laser beam is horizontally emitted and moves in the vertical direction. According to the method, copying filling is conducted on the discontinuous variable-thickness or non-uniform-thickness areas, so that the thicknesses of the parts on the cutting path are kept consistent, laser cutting parameters do not need to be adjusted in real time, the cutting difficulty is lowered, and the cutting quality is guaranteed; and the method is particularly suitable for field cutting machining of steel rails and other profile parts with typical discontinuous variable-thickness sections.

The invention discloses a green low-carbon rolling variable-thickness variable-strength B column and a production method thereof.The B column is formed by hot forming steel through variable-thickness rolling and hot stamping forming, the B column comprises three thickness areas in the height direction of the B column, the three thickness areas are an upper connecting area with the thickness ranging from 1.0 mm to 1.4 mm and the strength larger than or equal to 800 MPa, and a lower connecting area with the thickness ranging from 1.0 mm to 1.4 mm and the strength larger than or equal to 800 MPa; the thickness of the middle anti-collision area is 1.8-2.2 mm, and the strength is larger than or equal to 1500 MPa; the thickness of the lower connecting area is 1.1-1.5 mm, and the strength is larger than or equal to 800 MPa; thickness continuous transition is formed among the three areas through a rolling technology. Through the combination of variable thickness rolling and the hot stamping process, light-weight, high-strength and low-energy-consumption production of the B column is achieved, and the problems of welding defects, high energy consumption, low material utilization rate and the like in the prior art are solved.