535 results about "Surface smoothness" patented technology

An additive manufacturing method based on micro-selective laser melting technology. By using a spot size of 30 μm or less, a metal powder layer thickness of 10 μm or less and ultrafine metal powders having a D90 particle size of 30 μm or less, and in combination with the control of a scanning laser power, a scanning rate, a linear energy density and a volumetric energy density within specific ranges, the method can print complex-structured metal parts having extremely high resolutions and surface smoothness, and can obtain a high-density internal structure of a component even under a relatively low energy density or power condition, thereby effectively protecting an optical system. Moreover, a printed component exhibits a defect-free microstructure, and has excellent electrical properties, thermal properties and mechanical properties. Particularly, ultrafine grains and a high dislocation density provide superior mechanical properties compared to conventional manufacturing materials. An infrared laser device can be used, thereby achieving low costs.

The invention provides a secondary sizing agent as well as a preparation method and application thereof. The secondary sizing agent comprises the following components: a main film-forming agent, an auxiliary film-forming agent, a lubricant, a silane coupling agent and water, wherein the main film-forming agent is an aqueous epoxy solution, the auxiliary film-forming agent comprises a low molecular weight epoxy emulsion and an aqueous polyurethane emulsion, and the lubricant comprises an organosilicon lubricant and an ionic lubricant. In the scheme, the secondary sizing agent formed by mixing the main film-forming agent, the auxiliary film-forming agent, the lubricant and the silane coupling agent with proper types and proper contents can endow the silicon carbide fiber with excellent wear resistance, folding resistance and mechanical properties. Compared with one-time sizing, the number of times of wear resistance of the fiber yarn is increased by more than 10 times, the yarn breaking rate in the fabric processing process is greatly reduced from 10% to 0.5%, the surface smoothness of the prepared fiber fabric is greatly improved, the performance of the composite material prepared through the impregnation method is integrally improved, the bending strength is obviously improved, and the performance requirement of the three-dimensional fabric can be completely met.

The present disclosure provides high bulk tissue products, as well as an apparatus and methods for manufacturing the same. The tissue products provided herein not only have high bulk, but they also have improved surface smoothness, particularly compared to tissue products of similar basis weights.

Methods and systems for coating metal substrates are provided. The methods and systems include sequential application of low flow and high flow powder coatings followed by a single heating step to provide a cured coating. The methods and systems include a marker that allows coating uniformity to be monitored and assessed during application. The described methods provide coatings with optimal surface smoothness and edge coverage.

The invention belongs to the technical field of grinding equipment, and particularly relates to a welded pipe mold cambered surface smoothness accurate grinding device which comprises a workbench, a fixing assembly is arranged on one side of the upper end of the workbench and comprises two first circular plates arranged at the upper end of the workbench in a sliding mode, and an accurate grinding assembly is arranged on one side of the fixing assembly. The accurate grinding assembly comprises an arc-shaped plate slidably arranged at the upper end of the workbench, the side, close to the first circular plate, of the arc-shaped plate is wrapped with abrasive paper, second rectangular strips are rotatably arranged at the two ends of the side, away from the abrasive paper, of the arc-shaped plate, and a third rectangular strip is arranged between the second rectangular strips. A fourth rectangular strip is fixedly connected to the end, away from the arc-shaped plate, of the third rectangular strip, a second rectangular hole is formed in the position, corresponding to the third rectangular strip, of the fourth rectangular strip, and the third rectangular strip is slidably arranged in the second rectangular hole. And the practicability is low.

The invention relates to the technical field of intelligent manufacturing equipment, in particular to grinding equipment for plastic mold accessory production. Comprising a plurality of containing cavities evenly distributed in the circumferential direction and arranged on a base, the base is provided with symmetrically-distributed electric control push rods, telescopic parts of the symmetrically-distributed electric control push rods are jointly and fixedly connected with a fixing frame, a motor is installed in the fixing frame, and an output shaft of the motor is fixedly connected with a first gear; second gears which are evenly distributed in the circumferential direction are rotationally connected into the fixing frame, the number of the second gears is the same as that of the containing cavities, and a grinding roller is arranged in the base. The multiple guide columns are ground through the multiple grinding rollers at the same time, so that the grinding time and the grinding degree of the multiple guide columns on the same die are the same, and the situation that due to state fluctuation of the grinding rollers during one-by-one grinding, the surface smoothness difference of the multiple guide columns on the same die is caused is reduced, and the grinding efficiency of the guide columns and the quality after grinding are guaranteed through grinding.

The invention discloses an automobile part grinding control system, which relates to the technical field of automobile part grinding control, and ensures that a grinding tool always keeps an optimal focal length and an accurate position in an operation process by accurately controlling a first focusing instruction, a first translation instruction and a first rotation instruction. A strain sensor is introduced to monitor the deformation of the workpiece in real time, and the deformation can be found in time and compensated in real time in the grinding process. The system can optimize temperature control management for different workpiece materials by considering heat conductivity coefficients k and heat conduction factors Rczz of different materials. Multiple factors of stress distribution, heat conduction, cooling efficiency and surface smoothness are considered by integrating the grinding quality index Mzqs, the machining quality grade is generated after comprehensive evaluation is provided for the grinding quality, parameters including the grinding depth, the workpiece feeding speed and the cooling system are adjusted according to the grade result, and therefore the machining quality of the final workpiece is improved.

The invention discloses a metal mold aluminum alloy low-pressure casting device and method, and belongs to the field of low-pressure casting. The metal mold aluminum alloy low-pressure casting device comprises a base, the top of the base is fixedly connected with a crucible and a supporting column, the top of the supporting column is fixedly connected with a supporting table, the side wall of the crucible is communicated with an air injection pipe, and the top of the supporting table is fixedly connected with a bottom die; two semicircular side dies are symmetrically arranged on the front portion and the rear portion of the bottom die, an upper die is arranged on the tops of the two side dies, and a liquid rising pipe is fixedly connected to the top of the crucible; according to the invention, the problems of stress and deformation caused by overlarge temperature difference of the mold are reduced, the dimensional precision and surface smoothness of a product are maintained, the product quality is improved, the problem of cracks or deformation on the surface of the mold possibly caused by overhigh cooling speed is prevented, the service life of the mold is further prolonged, and the quality of a casting is further improved.

The utility model relates to the technical field of culvert construction, and discloses a culvert overall efficient pouring trolley which comprises a rail, the top of the rail is connected with a trolley hydraulic walking mechanism in a sliding mode, a bottom beam is arranged at the top of the trolley hydraulic walking mechanism, a first portal is arranged at the top of the bottom beam, and a second portal is arranged on the right side of the first portal. The first door frame and the second door frame are connected through a connecting beam. By means of the arrangement of the whole plastic steel formwork, gaps in the surface of the culvert are reduced, the gap processing time is greatly saved, the construction period is greatly shortened, due to the fact that the plastic steel formwork is light in weight, equipment is easier to move, and the problem that an existing formwork is made of a single formwork and made of steel, and the construction cost is low is solved. The existing culvert wall is small in area and heavy in weight, and needs to be combined with a plurality of templates, but gaps can be formed between the templates, so that the appearance quality problems of low surface smoothness, surface drawing marks and the like of the demoulded culvert wall are solved.

The invention relates to a continuous casting and rolling rapid processing technology of a medicine foil. The process comprises the steps of raw material preparation, smelting and refining, continuous casting, cooling treatment, heating and rough rolling, finish rolling, annealing treatment, surface treatment, slitting and the like. By controlling the smelting temperature, the casting speed, the rolling speed, the roller surface roughness, the annealing parameters and other process conditions, efficient production of the aluminum foil is achieved, and the surface smoothness, the thickness precision, the tensile strength and the ductility of the medicine foil are guaranteed. The thickness of the finished medicine foil is 0.02-0.04 mm, the tensile strength is 80-120 MPa, the ductility is not lower than 1.5%, and the surface roughness Ra value is controlled to be 0.1-0.3 micron. The process can produce high-quality medicine foil meeting the medicine packaging requirement, has the advantages of being efficient, stable, energy-saving and environment-friendly, and is suitable for large-scale industrial production.

The invention discloses a clamping and supporting tool for thin-wall parts, and relates to the field of clamping and supporting tools, the clamping and supporting tool comprises a box body part, a square inner groove is formed in the middle of one end of the box body part, a first clamping tool is arranged in the square inner groove, and the first clamping tool is of a frame type structure and is matched with the square inner groove in the box body part; a plurality of first inner grooves which are symmetrically distributed are formed in the peripheral wall of the first clamping tool, the first inner grooves are blind grooves, and clamping springs are fixedly installed at the bottoms of the first inner grooves; by means of the combined structure of a frame type / rod-shaped clamp, an elastic support and a process plate, traditional rigid clamping is replaced, clamping force can be evenly dispersed, plastic deformation during thin-wall part machining is effectively avoided, the size precision, shape tolerance and surface smoothness of parts are guaranteed, and the rejection rate of the parts is reduced; and meanwhile, damage to the inner wall caused by excessive supporting is prevented through the process plate (or the follow-up process plate), and the qualification rate of parts is further increased.

The present invention discloses an inner ring smoothness processing device for gear processing, which specifically relates to the technical field of gear processing, and comprises a base, a control box is fixedly installed at the front end of the base, a shell is fixedly connected to the upper end of the base, a frame is fixedly connected to the upper end of the shell, a clamping and rotating assembly is arranged on the inner surface of the base, and a cleaning and polishing assembly is arranged on the upper inner surface and the upper end of the shell. The inner ring smoothness processing device for gear processing described in the present invention is provided with a revolution mechanism, a clamping mechanism and a rotation mechanism, so that the gear can realize automatic clamping operation during the rotation process, and when the gear revolves to a set angle, the gear can realize self-rotation and rotate together with the polishing component, which is helpful to realize uniform polishing of the inner ring, improve surface smoothness, reduce friction and wear, thereby improving the transmission efficiency of the gear, extending the service life, reducing noise and vibration, and improving the surface quality of the inner ring.

The invention belongs to the technical field of heavy machine tool machining, and particularly relates to a transmission structure for heavy horizontal machine tool machining and a machining method. Comprising a moving seat, the two ends of the upper surface of the moving seat are fixedly connected with a tool apron and a skewness measuring assembly respectively, the skewness measuring assembly comprises a measuring tool connecting arm, the measuring tool connecting arm comprises a first measuring tool arm, one end of the first measuring tool arm is rotationally connected to a lifting seat and is in transmission connection with a stepping motor, and the stepping motor is fixedly connected to the lifting seat. The device can assist a wheel velocimeter in more conveniently and accurately measuring the rotating speed and the skewness of the outer surface of a turning billet in real time, and is more convenient for lifting a workpiece, so that cuttings generated in turning are reduced, and the cuttings are prevented from scratching the machined surface; built-up edges can be reduced, the surface smoothness is improved, and the surface roughness is reduced; and in the turning process, the turning speed is adjusted in real time along with the change of the shape and the quality of the machined steel blank so as to keep the optimal turning rotating speed.

The invention provides a preparation method of 3D printing ceramic slurry and a ceramic shaping method, and the preparation method of the 3D printing ceramic slurry comprises the following steps: S1, loading nano-scale silicon dioxide on the surface of micro-nano-scale aluminum oxide to obtain nano-silicon dioxide modified aluminum oxide; s2, coating the surface of the nano silicon dioxide modified aluminum oxide with aluminum hydroxide to obtain modified aluminum oxide; and S3, ball-milling and mixing the modified aluminum oxide and a dispersing agent, and then mixing and stirring with a binder, an auxiliary agent and a solvent. The 3D printing ceramic slurry provided by the invention can realize high solid content, has good dispersibility and fluidity, is strong in stability, is not liable to cause problems of layering, precipitation and the like, the surface smoothness of extruded silk threads is high, and a prepared ceramic product is high in strength.

The invention provides a large-size optical mold material for aspheric glass lens mold pressing, a preparation method of the large-size optical mold material and a large-size optical mold for aspheric glass lens mold pressing, wherein the large-size optical mold is made of the large-size optical mold material. The large-size optical mold material is formed by tungsten carbide and a sintering inhibitor through SPS sintering, the diameter of the large-size optical mold material is 100-200 mm, and the height of the large-size optical mold material is 10-100 mm; the fracture toughness of the large-size optical mold material is 7.4-7.5 MPa.m < 1 / 2 >, and the content of the sintering inhibitor is 0.1 wt.%-2 wt.%. The large-size optical mold material has the advantages of high density, high hardness, proper thermal expansion coefficient, favorable processability, excellent surface smoothness and uniform and consistent radial hardness, and is suitable for processing and forming a large-size optical mold for mold pressing of aspheric glass lenses.

The invention relates to the technical field of cable welding equipment, in particular to pre-refrigeration end heating cable connection section welding equipment and a welding process thereof.The pre-refrigeration end heating cable connection section welding equipment comprises a supporting frame, a guide rod, a welding mechanism and a clamping mechanism, the supporting frame is fixed to an external machine tool, the guide rod is vertically fixed in the supporting frame, and the welding mechanism is slidably connected to the guide rod; the two clamping mechanisms are arranged at the upper end and the lower end of the supporting frame, mechanical surrounding welding is achieved through the arrangement of the welding mechanism, current, voltage and welding speed can be adjusted in real time when a cable is welded, local overheating or insufficient penetration caused by manual operation is avoided, and the defects of incomplete penetration, undercut and the like of a weld joint are reduced; and meanwhile, through a 360-degree surrounding type welding path, uniform distribution of heat input is achieved, phase change or looseness of a magnesium oxide insulating layer due to local high temperature is prevented, the consistency of welding seams is effectively improved, and it is ensured that the size and surface smoothness of the welding seams meet the standard through programmed parameter setting.

Chemically treating ionically conductive sulfide glass solid electrolyte separators or separator layers can improve performance. In particular, treatment involving chemically etching a surface or surface region of the sulfide glass separator to blunt, lessen or remove edge defects or surface flaws, and / or to enhance surface smoothness is cost effective, reliable and well suited for high production environments compared to physical methods of removing scratches or smoothing surfaces, such as mechanical grinding and polishing.

The invention relates to the technical field of inspection climbing robots, in particular to a foot end component of an inspection robot and the inspection robot, and the foot end component of the inspection robot comprises a foot end shell, a suction cup unit, a sliding block and a telescopic rod. When the telescopic rods contract to drive the pull rods to slide away from the sucker bodies, the tops of the sucker bodies are driven to move towards the bottoms, and negative pressure cavities are formed between the sucker bodies and adsorbed objects. Due to the fact that the multiple suction cup units are arranged on the foot end component of the inspection robot side by side, each suction cup unit can independently suck the surface of the object closest to the sucked object, and it is guaranteed that the foot end component can suck the different surfaces or different radians of the sucked object; therefore, the foot end unit can still be stably adsorbed under the condition that the foot end unit has a certain radian or the surface smoothness degree is limited, climbing inspection is achieved through cooperation of different foot end components, and the application scene is expanded.

The invention relates to the technical field of post-processing of 3D printed parts, in particular to a universal coloring post-processing method for 3D printing. The method comprises the following steps: (a) preparing an organic solvent mixed dyeing solution; (b) preparing a 3D printed piece with a rough dye attachment surface on the surface; (c) dipping the 3D printed piece in an organic solvent mixed dye solution, and promoting coloring through physical and chemical effects; and (d) slightly dissolving the surface of the 3D printed piece by using an organic solvent to promote the sealing of surface micropores so as to fix the dye. The invention provides a general coloring post-processing method which is low in cost, high in efficiency, free of requirements on geometrical shapes of workpieces, higher in applicability to high-molecular 3D printed workpieces with various complex structures, and capable of improving the problem of uneven coloring of fine structures, improving the surface smoothness of products and improving the mechanical property and attractiveness.

The invention discloses a tension real-time feedback and slitting online monitoring system for a slitting machine, which belongs to the technical field of coiled material slitting and comprises a first guide roller group, a second guide roller group, a third guide roller group, a shearing mechanism and a polishing mechanism which are mounted on a fixing frame. The tension real-time feedback and slitting online monitoring system of the slitting machine further comprises a second mounting plate and a controller. The power of the first shearing roller is transmitted to the two sets of grinding assemblies through the first transmission belt, so that the multiple grinding parts of the two sets of grinding assemblies rotate synchronously, the top face and the bottom face of the coiled material obtained after slitting are ground, corners and burrs generated in the slitting process are removed, and the requirement of subsequent machining for the surface smoothness of the coiled material is met. The controller can be matched with the corresponding grinding rotating speed according to the burr conditions of different cut coiled materials, the situation that the coiled materials are damaged due to excessive grinding is avoided, and the defect that grinding is insufficient and residues exist is also avoided.

The invention belongs to the technical field of additive manufacturing, and discloses a method and device for improving 3D printing quality, the device is used for being matched with an FDM 3D printing system, the device comprises a printing platform (4), a containing cavity (5), a temperature control system, an annular ultrasonic auxiliary system (3), a liquid circulation system and an infrared liquid level detector (8), and the containing cavity (5) is provided with an ultrasonic generator (53); the annular ultrasonic auxiliary system (3) comprises an annular support (31), an ultrasonic array module (32), a spray header module (33) and a lifting mechanism (34). According to the 3D printing device, the assemblies are improved, and 3D printing can be effectively improved through the overall arrangement of the containing cavity, the temperature control system, the annular ultrasonic auxiliary system, the liquid circulation system and the infrared liquid level detector. The device is flexible in structure, high in synchronism and excellent in local treatment capacity, and the surface smoothness and structural integrity of the FDM 3D printing piece can be remarkably improved.

The invention relates to the technical field of gratings, in particular to a prismatic grating and a manufacturing method thereof. The prism grating comprises a prism and a grating part. The prism is provided with a binding face, the grating component comprises a base body part and a diffraction part, the diffraction part is mainly used for diffracting and splitting incident light, the base body part is arranged on the binding face, and the diffraction part is arranged on the side, away from the binding face, of the base body part. The base part and the diffraction part are integrally formed on the binding surface. The substrate part and the diffraction part are integrally formed and are formed on the binding surface of the prism together, so that the grating part is directly formed on the binding surface of the prism to form the prism grid, the process is simple, the flow is short, the cost is reduced, and the structural strength of the grating part is improved. According to the manufacturing method, the integrally-formed grating component is manufactured on the binding face of the prism through the imprinting technology, the imprinting technology is completed through automatic equipment, the dependence degree on the skills of staff is basically zero, meanwhile, the requirements for the surface smoothness, flatness, roughness and the like of the binding face of the prism are low, and the yield can be improved.

The invention discloses a one-kiln two-line production process for energy-saving glass, and relates to the technical field of energy-saving glass plate production. A shunting pressure stabilizing chamber, a central partition wall and an electromagnetic-platinum combined stirring device are arranged at the tail end of a melting furnace, and are matched with prolonging of clarification residence time and a microbubble bubbling device, so that a highly uniform temperature field and component distribution can be obtained before molten glass enters a feeding channel, and bubbles and inclusions are fully eliminated. By means of the collaborative measure, the melt cleanliness is remarkably improved, optical defects such as stripes, stones and white points in the subsequent forming process are greatly reduced, and the appearance and the physical strength of a finished product are more reliable. By means of the Y-shaped double feeding channels and the independent temperature control tin bath, ultra-thin glass and medium-thickness glass can be produced at the same time in the same melting furnace and do not interfere with each other. The main line focuses on the flatness and the optical quality of the energy-saving glass of the building curtain wall, and the branch line focuses on the thickness control and the surface smoothness of the ultrathin energy-saving glass.

The invention relates to a thin-wall ceramic tube for static pressure strength testing and a preparation method thereof. The ceramic tube comprises a prefabricated body, and grinding sections are arranged at the two ends of the prefabricated body; and densifying the formed preform to obtain a ceramic tube, and grinding the surfaces of the two ends of the ceramic tube to obtain the thin-wall ceramic tube for static pressure strength test. The coaxiality of the two ground ends is not larger than 0.2 mm, and the surface smoothness is smaller than 0.2. Compared with the prior art, accurate characterization of the circumferential strength of the ceramic tube is realized.

The invention discloses a forging and heat treatment process for a single-row tapered roller bearing ring. Raw materials are sequentially subjected to cutting, forging, annealing, turning and heat treatment, and then the single-row tapered roller bearing ring is obtained. The hot-rolled polished bar is used as the raw material, so that the surface smoothness of the bar is ensured, no crack occurs during forging, and the yield of the material is improved; a secondary heating process is adopted after forging, it is guaranteed that the forge piece is in a reasonable temperature interval during rolling expansion, the phenomenon of rolling expansion cracks does not occur, and the product quality of the forge piece is guaranteed; the ash cooling process is adopted to replace slow cooling along with a furnace in an electric furnace, the process method is simple, practical and low in cost, and electric energy is saved on the premise that the quality of the forge piece is guaranteed; three-time preheating is adopted. The vacuum heating and heat conduction mode is radiation heating, and a repeated preheating mode is adopted, so that the ferrule in the furnace can be uniformly heated, the heating temperature is slowly increased, thermal stress in the ferrule can be reduced, and the quality of the quenched ferrule is ensured.

The invention is related to efficient laser ablation to remove material at a high rate, where the throughput is more than an order of magnitude higher than conventional laser ablation. The invention also relates to the high machining quality and the resulting low surface roughness, with the smoothness of the laser-milled cavity bottom surface being equivalent to the original surface smoothness of the mirror-polished material. The invention also relates to the repeated removal of a small sub-layer depth in a single scan, thereby in layer-by-layer multi-scan removing the total thickness of the material to any desired depth. To maintain efficient ablation machining conditions, the milling of each sub-layer is performed by refocusing or partially refocusing the laser beam each time on the bottom of the increasing depth of the milled cavity. The milling technology can be used to form cavities of any complex three-dimensional shape.

The invention relates to a corrosion-resistant and high-temperature-resistant sinter plate and a preparation method thereof, and belongs to the technical field of sinter plate preparation. According to the invention, by controlling the temperature of a melt extruder and a mold extrusion process and combining dual polishing treatment, rough grinding is carried out by a 500-mesh grinding head and then accurate grinding is carried out by a 2000-mesh grinding head, so that the surface smoothness and cleanliness of a basic plate are effectively improved; the surface dust is further removed by adopting a nitrogen purging process, a solid foundation is laid for uniform adhesion of the surface strengthening coating, the surface strengthening coating is uniformly coated by adopting a spraying method, the corrosion resistance and the high temperature resistance of the sinter plate are enhanced, the firm combination between the coating and the basic plate is also ensured, and the service life of the sinter plate is prolonged. Therefore, the service life and the overall performance of the sinter plate are remarkably improved, and the application range of the sinter plate in a severe environment is widened.

The invention discloses a low-resistance bonding ceramic tube coating material and a coating method thereof, and relates to the field of steel tube coatings, and the low-resistance bonding ceramic tube coating material comprises a bottom layer material, a ceramic hybrid layer material and a hydrophobic functional material. According to the low-resistance bonding ceramic tube coating material and the coating method thereof, through coating of the bottom layer material, the ceramic hybrid layer material and the hydrophobic functional material, a coated steel tube can have natural resistance to corrosive media such as acid, alkali and salts, and even under the long-term complex working condition, the corrosion resistance of the steel tube is greatly improved. The roughness of the inner wall of the pipe can still be stably maintained within the range of 20-100 microns, the surface smoothness is 5-20 times that of a traditional pipe in the initial service stage, the friction coefficient of fluid and the pipe wall can be greatly reduced, the fluid can more easily form a laminar flow state, energy loss is effectively reduced, and the service life of the pipe is prolonged. And the composite material can be applied to the fields with extremely high requirements on energy consumption and stability, such as ships, airplanes, high-speed rails, ocean engineering, petrochemical engineering, sewage treatment, long-distance water delivery and the like.

The invention relates to the technical field of fastener preparation, in particular to a high-temperature-resistant zirconium oxide fastener and a manufacturing method thereof.The manufacturing method comprises the following steps that high-purity zirconium oxide powder is selected as a raw material, the zirconium oxide powder is pretreated, and uniform and fine powder particles are obtained; pressing the zirconium oxide powder into a fastener blank in a required shape by adopting a hot press molding process; sintering the fastener blank into a compact zirconium oxide fastener by adopting an electric furnace sintering process according to the phase change characteristic and sintering kinetics of zirconium oxide; the sintered zirconia fastener is subjected to polishing and sand blasting surface treatment until the surface smoothness of zirconia meets the requirement, and the volume change of zirconia in the phase change process is successfully reduced by precisely controlling sintering process parameters and combining with pretreatment of a hot press molding process, so that the surface smoothness of the zirconia fastener is improved. Therefore, generation of internal cracks and overall deformation of the fastener are effectively restrained.

The invention relates to the technical field of composite material manufacturing, and discloses a manufacturing method of a composite material tubular structure product, which comprises the following steps of: effectively solving the problems of thermal deformation and large weight in the traditional metal plate welding process through an innovative staggered platform laying layer design and an autoclave and vacuum bag pressing prepreg forming process; and in the composite material bonding process, the strength of the joint is insufficient, and the overall strength is poor. Meanwhile, the technological process is simple and efficient, the cost is low, and the final product has good surface smoothness and attractiveness.