289results about How to "Improve manufacturing precision" patented technology

The utility model discloses a poker machine and a card lifting device thereof, the card lifting device comprises a plurality of card lifting seats arranged around a card receiving seat, a card receiving box and the card lifting seats are arranged in a one-to-one correspondence manner inside and outside, the card lifting seats are provided with card lifting grooves, and card lifting plates are vertically connected with the card lifting seats in a sliding manner and can lift up and down in the card lifting grooves; the mahjong tile lifting device further comprises a rotating ring, the rotating ring penetrates through the mahjong tile lifting seats, a plurality of lifting cams are arranged on the top of the rotating ring, the lifting cams correspond to the mahjong tile lifting seats and the mahjong tile lifting plates in a one-to-one mode, and each lifting cam comprises an upward protruding part used for lifting the corresponding mahjong tile lifting plate to the top and a downward concave part used for descending the corresponding mahjong tile lifting plate to the bottom. And when the rotating ring rotates in a reciprocating manner, the tile lifting plate can be driven to lift up and down in the tile lifting groove. The scheme is simple in structure, reliable in operation, low in manufacturing cost and convenient to install and debug.

The invention relates to the technical field of advanced manufacturing, and discloses a patterned multilayer structure construction method based on immiscible phase auxiliary filling. The construction method of the patterned multilayer structure comprises the following steps: S1, dispersing assembly units in a curable water phase to obtain a pre-assembly liquid; s2, the pre-assembly liquid is added to the bottom layer of an assembly cavity, an insoluble phase is added to the upper layer to be flush with the upper edge of the assembly cavity, standing waves are applied, the assembly units form patterns in the pre-assembly liquid, the pre-assembly liquid is cured, and a first structural layer is obtained; s3, removing the immiscible phase, adding the assembling liquid to the surface of the first structural layer, adding the immiscible phase again until the immiscible phase is flush with the upper edge of the assembling cavity, applying standing waves to enable the assembling units in the pre-assembling liquid to form patterns, and solidifying the pre-assembling liquid to obtain a second structural layer; and S4, repeating the step S3 to obtain the patterned multilayer structure.

The invention relates to a pre-assembly-free steel pipe truss arch parallel connection manufacturing process. The manufacturing process is characterized by comprising the following specific manufacturing processes: S1, projection of steel pipe arch units; s2, arranging a jig frame; s3, steel pipe welding; s4, welding the joint plate; s5, steel pipe arch parallel connection manufacturing; by means of the manufacturing process, a large amount of site occupied by pre-assembly can be omitted, and the production operation efficiency is improved; the labor cost required by the assembly process and the disassembly after the assembly is completed is saved; the material cost required by pre-assembly is saved, the welding finishing cost is saved through welding deformation control, and the manufacturing precision of the steel pipe arch is improved; and a special jig frame structure and a special welding platform structure are adopted, so that the construction efficiency can be effectively improved.

The invention relates to a method for manufacturing a low-wavefront-error double-blazed grating for electron beam gray lithography, which comprises the following steps of: decomposing dose parameters of an electron beam into average dose and dose difference, decomposing grating parameters into grating height and grating depth, and constructing a mathematical model between the average dose and the dose difference; through differential calculation and least square fitting, the relation between the dose parameter and the height and depth of the grating is optimized, and then high-precision manufacturing of the target grating is achieved. The method comprises the following specific steps: firstly, decomposing dose and grating parameters, and establishing a first mathematical model among grating height, depth and dose parameters; and then obtaining relational data through an experiment, performing optimization calculation by using the second mathematical model, and finally obtaining a dose parameter corresponding to the target grating. And finally, manufacturing the double-blazed grating with the low wavefront error according to the target parameters. According to the method, wavefront errors can be effectively reduced, the photoetching precision is improved, and the method has relatively good manufacturing consistency and is suitable for the production requirements of high-precision gratings.

The invention relates to the technical field of round pipe polishing machines, in particular to a round pipe polishing machine for automobile part production, which comprises a bottom plate, and a polishing assembly is arranged in the middle of the upper end of the bottom plate and is used for grinding and polishing the surface of a conical exhaust round pipe. One side of the upper end face of the bottom plate is fixedly connected with a discharging frame used for containing unpolished conical exhaust circular pipes, the side, away from the discharging frame, of the upper end face of the bottom plate is fixedly connected with a discharging frame used for assisting in discharging of the polished conical exhaust circular pipes, and the upper end face of the bottom plate is provided with a circular pipe supporting assembly. The two round pipe supporting assemblies are arranged on the two sides of the middle of the upper end face of the bottom plate correspondingly and used for supporting a round pipe to be polished. Compared with the prior art, the problem that in the prior art, it is difficult for a round pipe polishing machine to meet the actual requirement for the polishing quality of the conical exhaust round pipe is solved.

According to the chip resistor and the preparation method thereof, the laser wire cutting grooves adjacent to the left electrode and the right electrode are formed in the resistance layer through laser cutting, the resistance value of the resistor can be accurately adjusted and controlled, the manufacturing precision and consistency of the resistor are improved, the laser cutting mode is optimized through diagonal cutting, and the production efficiency is improved. The laser wire cutting groove is limited at the diagonal position and is adjacent to the front electrode, and the heat effect of the resistor is correspondingly controlled, so that the heat dissipation performance is improved; according to the chip resistor, through a multi-layer protection structure formed by the first protection layer made of the glass material and the second protection layer made of the epoxy resin material, the invasion of moisture, chemical corrosion and mechanical damage is effectively prevented, the service life of the resistor in a severe environment is remarkably prolonged, and particularly, through the third protection layer made of the resin silver material, the service life of the resistor is prolonged. The anti-corrosion performance of the electrode part is enhanced, so that the resistor can keep stable electrical performance during long-time work.

The invention provides a machining method for a complex thin-wall part, and relates to the technical field of mechanical manufacturing, in theory, MASTERCAME software is used for simulating and analyzing a cutting path of a cutting tool on the thin-wall part, a numerical control program is programmed, a high-precision mold mandrel is adopted, the mold mandrel is consistent with an inner cavity of a product in shape, a gap is reserved, small deformation and vibration in the machining process are ensured, and the machining precision is improved. Meanwhile, the clamping fixture mandrel can absorb part of cutting heat, thermal deformation of a cutter and a product is kept small, the long one-time feeding time of a thin-wall workpiece is very long, so that the cutter is greatly abraded due to vibration in the cutting process, and the dimensional accuracy of the workpiece is affected; geometric parameters and abrasion resistance of the tool are reasonably selected, the influence caused by tool abrasion is minimized, small deformation and vibration in the machining process are guaranteed, meanwhile, the clamping fixture mandrel can absorb part of cutting heat, and thermal deformation of the tool and a product is kept small.

The invention discloses a large prefabricated part critical dimension detection method and device, electronic equipment and a storage medium. The method comprises the steps that S1, a prefabricated part BIM model is constructed based on the BIM technology; s2, a factory processing stage: constructing a millimeter-level point cloud model of the prefabricated part according to the prefabricated part BIM model, the unmanned aerial vehicle and the three-dimensional laser scanner, and carrying out prefabricated part inspection and key size precision detection; and S3, in a field installation stage, an overall centimeter-level and prefabricated part millimeter-level construction site large-scene live-action three-dimensional model and a BIM + GIS fusion platform are constructed through an unmanned aerial vehicle and a three-dimensional laser scanner to realize automatic detection of key size precision in the field installation stage, and it is ensured that acceptance specification requirements are met. According to the method, the BIM, the unmanned aerial vehicle aerial survey technology and the three-dimensional laser scanning technology are subjected to advantage complementation, so that the detection efficiency and the detection precision of the large workpiece are improved, and the situation that the prefabricated part is returned to a factory for the second time and the field installation positioning precision is low is prevented.

The invention provides a razor head with a 360-degree follow-up razor net and a shaver, the razor head with the 360-degree follow-up razor net comprises a combined razor net, the combined razor net is formed by connecting and assembling three or more razor nets, each razor net can float or tilt after being stressed, and the razor net on the inner side can float or tilt after being stressed along with the razor net on the adjacent outer side. According to the shaver, the shaver nets can float independently, can also float in a linkage mode, can flexibly rotate in all directions, can be tightly attached to the facial contours including the cheeks, the jaw, the neck and other parts, can easily adapt to different facial contours without moving the shaver body in a large range during shaving, and effectively improves the attaching degree and comfort degree of shaving.

The invention provides a complete denture manufacturing method for determining a plane and jaw position relation based on digitization, and relates to the technical field of dentistry, the method comprises the following steps: using a finished product tray to prepare an initial impression, filling a plaster model, and scanning to obtain a three-dimensional data STL file of the plaster model of the upper and lower jaws; recording the occlusion relationship by using oil sludge silicone rubber, and scanning to obtain a three-dimensional data STL file of the upper and lower jaw plaster model with the occlusion record silicone rubber; obtaining a CBCT DICOM file when the patient wears and occludes the silicone rubber, and extracting a three-dimensional data STL file of the face, the maxilla and the mandible; fitting the archive to construct a virtual patient; and digitally designing a plane and a median relation jaw position, and the like. According to the method, the upper and lower jawbones are segmented by using CBCT DICOM data, the position of the lower jawbone is moved by using software, the jaw position is accurately designed, and the false tooth is manufactured on the basis of a correct plane and a correct median relationship, so that temporomandibular joint health and false tooth stability of a patient are facilitated.

The invention belongs to the technical field of laser welding, and particularly relates to a window frame shape righting method for an automobile door laser welding process. Three shape righting units are arranged on a window frame part of a door assembly pressing station; the vehicle door assembly is placed on a vehicle door assembly pressing station, so that the vehicle door assembly is aligned with the tire mold; the vehicle door inner plate is fixed, and then the window frame area is finely adjusted to be located between a supporting block and a pressing block of the shape correcting unit; throttle valves and pressure gauges are arranged on air source connecting pipes of the jacking air cylinder and the pressing air cylinder, when the pressure gauges on the jacking air cylinder and the pressing air cylinder display preset pressure values, the pressure is maintained, and the jacking air cylinder and the pressing air cylinder are controlled to release the pressure gradually; detecting the shape righting effect of the window frame area by using a high-precision tool until the shape righting requirement of the window frame is met; according to the method, the window frame part subjected to laser welding can be effectively corrected in an overpressure and pressure maintaining mode, and deformation caused by welding is eliminated.

The invention relates to the technical field of rewiring structures, and discloses a preparation method of a rewiring structure and the rewiring structure, and the method comprises the steps: providing a semiconductor substrate; forming a barrier layer, a seed layer and a photoresist layer on the surface of one side of the semiconductor substrate; exposing and developing the photoresist layer to form a via hole window and a wiring window on the photoresist layer, and exposing the seed layer from the via hole window; forming a first metal layer on the seed layer exposed by the via hole window; removing part of photoresist reserved in the wiring window; forming a second metal layer on the first metal layer and the seed layer exposed by the wiring window; removing the photoresist layer, removing the seed layer and the barrier layer which are not covered by the first metal layer, and removing the seed layer and the barrier layer which are not covered by the second metal layer to form a via hole and a wiring layer; and forming a plastic package layer on the surface of one side of the semiconductor substrate to form a rewiring structure. The alignment deviation of the wiring layer and the via hole can be eliminated, so that the I / O density is improved.

The invention provides a grinding, spraying and rolling composite surface machining method for a gear tooth surface, which comprises the following steps of: determining the overall maximum elastic deformation of a gear to obtain a modified theoretical involute gear tooth profile; by means of the micro-line-segment theory, a micro-line-segment type involute gear tooth profile is obtained; by means of non-linear smooth fitting, a final modified involute gear tooth profile is obtained, and an initial gear is obtained through machining; on the basis of the initial gear, a gear shot blasting impact model is built, and a shot blasting gear is obtained; and on the basis of the shot blasting gear, a gear finishing and grinding model under gear tumbling finishing machining is built, and a finished gear is obtained. Grinding, shot blasting and barreling finishing are combined, through process coupling design, the overall performance of the gear is improved, higher manufacturing precision is achieved, the failure risk is reduced, the service life of the gear is prolonged, and the gear has the practical application value.

The invention relates to an impeller and belongs to the technical field of impeller production, the impeller comprises a front disc and a rear disc, a plurality of grooves are formed in the face, facing the rear disc, of the front disc, a plurality of blades are arranged on the side, facing the front disc, of the rear disc, the blades correspond to the grooves in a one-to-one mode, and the sides, away from the rear disc, of the blades are inserted into the corresponding grooves; the blades are made of materials capable of absorbing laser energy strongly, the front disc, the rear disc and the blades are made of plastics, and the surfaces, making contact with the grooves, of the blades are welded to the front disc through laser. The impeller has the effects that the production efficiency of the impeller is improved, the coaxiality and the connection strength of the front disc and the rear disc are improved, and the production quality of the impeller is improved.

The invention discloses a design method of a bending detonation combustion chamber with a V-shaped passivated front edge, and belongs to the field of hypersonic velocity detonation engines of aircrafts. The oblique detonation engine aims at solving the problems of an existing oblique detonation engine in the aspects of detonation, standing, mixing and the like. According to the method, by determining the temperature increasing amplitude of the V-shaped front edge, the distance and flow parameters of a detached shock wave are determined by using a two-dimensional detached shock wave theory, the geometrical shape and interference type of a bent shock wave are determined based on a bent shock wave theory, and the crotch shape of the passivated V-shaped front edge is determined. And finally, constructing a geometric model and a combustion chamber geometric model according to the passivation angle and curvature of the V-shaped front edge. According to the method, the length of the engine can be effectively shortened, the formation and stability of detonation waves are improved, effective standing of the detonation waves is achieved, and normal work of the engine is guaranteed. The combustion chamber has the advantages of saving space, being easy to detonate, compact in structure and the like, and is suitable for a propelling system of a hypersonic aircraft.

The invention belongs to the technical field of concrete beam column structures, and particularly relates to a beam column structure locally internally provided with thin-wall steel pipes and a mounting method of the beam column structure. By reasonably arranging the internally-arranged steel pipes and the reinforcing steel bars, the effects of reducing the dead weight of the structure and improving the bearing capacity are achieved. Due to the application of the steel pipe, the bending resistance and the shearing resistance of the concrete member are enhanced, and generation and expansion of cracks are effectively delayed. In addition, as the steel pipe has high strength and rigidity, the structure can still keep stable under the condition of high load, and is particularly suitable for occasions needing high bearing capacity, such as bridges and buildings. The stress characteristics of beam column components are fully considered, and a novel design method for internally-arranged steel pipe concrete is provided. Through detailed analysis of construction details and working principles, professional technicians can implement the method according to description, so that the safety and economical efficiency of an engineering structure are effectively improved. The shear resistance, the bending resistance and the overall stability of the structure are improved.

The invention relates to a robot which comprises a trunk structure, a controller, a charging structure, a driving assembly and a walking structure, and the trunk structure is provided with a mounting cavity; the controller is mounted in the mounting cavity; the charging structure is connected with the trunk structure, is electrically connected with the controller and is used for supplying power to the controller; the robot comprises a trunk structure, a controller, a driving assembly and a walking structure, the driving assembly is electrically connected with the controller, the driving assembly is installed on the trunk structure, the walking structure is connected with the output end of the driving assembly, and the driving assembly is controlled by the controller to drive the walking structure to move. The robot can walk, retreat, roll and lie down, so that the robot can be applied to various fields of families, industry, rescue, detection and the like, and the application universality of the robot is achieved.

The present invention discloses a planetary gear reducer with a large-caliber hollow structure, which solves the problem that when the existing planetary gear reducer is applied to a robot, the robot's cables cannot be built-in, resulting in a large device volume, and the existing reducer has a large axial size and weak rigidity. The reducer uses an end cover to axially position the planetary wheel of the first-stage planetary gear reduction mechanism, the current-stage planetary carrier axially positions the planetary wheel bearing, and the upper-stage planetary carrier axially positions the first external tooth of the next-stage sun wheel. At the same time, the same-stage planetary wheel and the planetary carrier directly contact each other to achieve mutual axial positioning; the reducer realizes power input from one side and output from the other side through the cooperation between the hollow sleeve, the input gear and the sun wheel of the first-stage planetary gear reduction mechanism, and the internal cavity of the hollow sleeve, the central through hole of each stage sun wheel and the through hole set in the center of the planetary carrier are connected in sequence, thereby forming a hollow structure for passing the line.

The invention provides a shaver head with a modular combined floating knife net and a shaver, the shaver head with the modular combined floating knife net comprises the modular combined knife net, the modular combined knife net is formed by connecting and assembling a plurality of mesh modules and a plurality of functional modules, each mesh module and each functional module can float or tilt under stress, and the modular combined knife net is arranged on the modular combined knife net. The mesh modules or function modules on the inner side can float or tilt along with the adjacent mesh modules or function modules on the outer side after being stressed, and each mesh module is provided with a movable cutter set. According to the modular design, mesh modules with different thicknesses and different groove types are formed, and functional modules with different functions can also be combined, such as an antibacterial module, a heating module, a cleaning module, a skin detection module and an odor module. Combination is carried out according to requirements, the requirements of different customers are met, the product development frequency and time can be reduced, the production efficiency is improved, and the cost is reduced.

The invention discloses an optical element surface defect data set manufacturing method based on deep learning. The method comprises the following steps: acquiring an optical element surface defect image; inputting the obtained defect image into a pre-trained defect detection model to carry out defect automatic detection; based on the defect detection result, drawing the outer contour of each defect by using a contour retrieval method, counting the corresponding defect type and defect total number, and then generating a contour retrieval result; carrying out rapid manual correction on the obtained contour retrieval result; and generating a label of the optical element surface defect image. The defect detection model is a semantic segmentation network, can not only judge whether defects exist or not and perform defect classification, but also can realize defect positioning and extraction at a pixel level. According to the method, the probability of false detection and missing detection under a complex background when the defect pixel-level label is manufactured is reduced, and the manufacturing efficiency and the manufacturing precision of the surface defect data set of the optical element are greatly improved.

The invention provides a preparation method of a micro-lens array based on fluid confinement additive, the micro-lens array and application. The preparation method of the micro-lens array comprises the steps of constructing a patterned hydrophilic and hydrophobic gradient on a substrate, forming a confinement energy barrier at a hydrophilic and hydrophobic boundary to constrain movement of a solid / liquid / gas three-phase contact line, realizing confinement of liquid drops, and being beneficial to improving the manufacturing precision, performance and reliability of the micro-lens array. The invention further provides a microlens array and application.

The invention discloses a vertical multistage centrifugal pump with a fully open flow channel, comprising a motor, an inlet and outlet water housing and a cylinder connected in sequence, a flow channel housing being arranged in the cylinder, the flow channel housing comprising an extrusion section, a middle section and a suction section connected in sequence, a guide impeller being arranged in the flow channel housing, the motor being connected to the cylinder through the inlet and outlet water housing, the inlet and outlet water housing being connected to the extrusion section, the middle section, the suction section and the guide impeller through a pipe; the guide impeller is composed of several stages of impellers connected in sequence from top to bottom, the bottom impeller being located in the suction section, each stage of the impeller comprising a hub and blades covering the hub, the outer edge positions of the inlet and outlet of the blades being connected with a water inlet ring and a water outlet ring; a flange connection surface is arranged at the maximum outer diameter position of the guide impeller, and the connection surface between the extrusion section, the middle section and the suction section is a flange connection stop fitting surface. The invention solves the defects in the traditional vertical multistage centrifugal pump, improves the manufacturing accuracy and hydraulic performance of the centrifugal pump, and is convenient for installation and maintenance.

The invention relates to a preparation method of an interskeletal fitting type stretchable knee pressure testing gasket, and belongs to the field of biomechanical measurement. According to the knee pressure testing gasket, the unique paper-cut conformal design is adopted, and the shape and the notch are specially designed, so that the gasket can be flexibly stretched during installation and perfectly fit the bone contour of a patient. By means of the design, the measurement precision and reliability are greatly improved, and guarantee is provided for the success rate of an operation. The method for designing the knee pressure measuring gasket in the operation through the paper-cut (Kirgami) conformal technology is an innovative method, and the fitness and flexibility of the gasket can be improved. According to the paper-cut technology, a structure capable of being unfolded and bent is formed through precise cutting in materials, and therefore the materials can better adapt to complex shapes. And finally, preparing the interosseous fitting type stretchable knee pressure testing gasket by combining paper-cut design with femtosecond laser-induced carbonization processing.

The utility model discloses a mould pressing tray hydraulic machine, which relates to the technical field of mould pressing tray manufacturing and comprises a bottom plate, four fixing columns are connected to the upper end of the bottom plate, fixing blocks are fixedly connected to the upper ends of the fixing columns, connecting plates are fixedly connected to the rear ends of the fixing blocks, two supporting columns are fixedly connected to the upper ends of the fixing blocks, and fixing plates are fixedly connected to the upper ends of the supporting columns. A first hydraulic cylinder is fixedly connected to the lower end of the fixing plate, a second hydraulic cylinder is fixedly connected to the upper end of the bottom plate, an extrusion module is arranged in the middle of the fixing block, a groove is formed in the middle of the extrusion module, a cleaning mechanism is arranged in the fixing block, a push block is pushed through a telescopic rod, and the push block drives a sliding block to slide in a sliding rail. The rotating shaft rotationally connected with the sliding block moves along with the sliding block, the gear and the rack on the rotating shaft move mutually to drive the rotating shaft to rotate, the rotating shaft rotates to drive the cleaning cotton strip to rotate, high-temperature residues are conveniently cleaned, and the manufacturing precision of the mold pressing tray is improved.

The invention discloses a research and development system and method for a FAST carbon fiber double-prevention split bulletproof helmet, and aims at achieving efficient, high-quality and personalized helmet manufacturing, creating a three-dimensional model of the helmet through the CAD technology, finely designing an inner helmet, an outer helmet and a connecting structure of the inner helmet and the outer helmet, and conducting material pretreatment. An automatic laying machine is adopted to accurately control the fiber direction, and laying data are collected in real time through a sensor. X-ray tomography and machine vision technologies are introduced, nondestructive testing is carried out on internal defects, the defect rate Dr is predicted through machine learning, and the manufacturing process is optimized in combination with real-time feedback so as to reduce interlayer delamination. The protection performance of the helmet is verified through performance testing, the production bottleneck is recognized through generated data, and technological parameters are optimized. Performance indexes are set and adjusted based on user feedback, product quality and user experience are ensured, and intelligent management from design to production is achieved.

The invention relates to a prosthesis material, a nose prosthesis containing the same and a preparation method. The prosthesis material comprises 20-90 parts of a degradable high polymer material and 10-80 parts of an inorganic material, the degradable high polymer material comprises any one or a combination of at least two of polycaprolactone, polylactic acid, polyurethane or polyether-ether-ketone; the inorganic material comprises tricalcium phosphate and / or hydroxyapatite. By designing and preparing the composite wire rod in a specific proportion, the flexibility and ductility of the prosthesis are improved, and enough mechanical strength and ideal osseointegration capability can be provided; and in combination with a personalized design process, precise customization and efficient manufacturing of the nose prosthesis are realized.

The utility model relates to a universal lifting appliance for steel shell tower sections, which comprises a frame, main balance beams, auxiliary balance beams and a lifting assembly, at least one main balance beam is welded inside the frame, a plurality of auxiliary balance beams are further welded between the main balance beams and the frame, and the lifting assembly is connected with the main balance beams and the auxiliary balance beams. A plurality of crane lifting lugs used for being connected with a crane in a hanging mode are evenly welded to the upper end face of the frame. And a plurality of hoisting assemblies are uniformly welded on the lower end surface of the frame. The steel shell tower crane has the advantages that the four crane lifting lugs and the four lifting assemblies are arranged, the four-point lifting design enables lifting stress to be plumb to the ground as much as possible, horizontal deformation of the upper end of a steel shell tower is reduced, and manufacturing precision is improved; 2, a *-shaped structure is adopted and is consistent with a steel shell tower shell, and auxiliary balance beams are mounted on diagonal lines to support horizontal stress and the like;

The invention provides a microcup device mask, an electronic paper screen and a manufacturing method thereof.The manufacturing method of the electronic paper screen comprises the following steps that S1, a substrate material is conveyed to a gluing mechanism through a first feeding roller shaft, and a first ITO electrode layer is coated with a layer of imprinting glue through the gluing mechanism; s2, feeding the substrate material and the imprinting glue to a micro-cup device mask plate, and carrying out imprinting and exposure by a micro-cup manufacturing mechanism to form a micro-cup device; s3, ink adding equipment adds ink into the microcup device; and S4, pressing the second ITO electrode layer of the packaging film on the microcup device and the ink to form the electronic paper screen. Through the composite manufacturing method based on nanoimprint lithography and contact lithography and the packaging method based on roller-to-roller, manufacturing and packaging of the microcup structure needed by the electronic paper screen are achieved, the production efficiency is high, the product precision is easy to guarantee, the depth-to-width ratio of the microcup is large, and the product using effect is good.

The rotatable hot roller system and method for continuous fiber 3D printing comprise a fiber tensioning device, the fiber tensioning device is fixed to a gantry printing table cross beam, the gantry printing table cross beam is connected with a force control feedback device, and the bottom of the force control feedback device is connected with a hot pressing device; the force control feedback device comprises a lead screw guide rail, a first stepping motor is connected to the lead screw guide rail, and a sliding block is connected to the lead screw guide rail. The sliding block is connected with the hollow rotating platform and the tension sensor; a pressure sensor is connected between the hollow rotating platform and the hot-pressing device; a second stepping motor for driving the hot-pressing device to rotate is connected above the hollow rotating platform, the lead screw guide rail is connected with a heating block, the heating block is arranged above the hot-pressing device, and a printing nozzle is connected below the heating block; accurate matching of the hot pressing direction and the printing path is achieved through the rotatable hot roller, real-time adjustment of the pressure of the hot roller and the fiber tension force is achieved through the force control feedback device, and the mechanical performance of a printing sample piece is remarkably improved.

The invention discloses a spiral bevel gear grinding system deformation error compensation method and system and electronic equipment. According to the method, multiple times of grinding machining are conducted on a spiral bevel gear workpiece through a spiral bevel gear grinding system, and the spiral bevel gear grinding system comprises a laser distance measuring sensor and a force sensor; acquiring first data in each grinding process through a laser ranging sensor, and acquiring second data in each grinding process through a force sensor; according to the first data, grinding wheel abrasion loss and grinding system deformation are calculated; calculating a target normal force of the spiral bevel gear grinding system based on the second data; based on the target normal force and the grinding system deformation, the cutting rigidity and the grinding system rigidity are calculated; and according to the cutting rigidity, the rigidity of the grinding system and the abrasion loss of the grinding wheel, deformation error compensation of the spiral bevel gear grinding system is conducted. The rigidity of the grinding system can be accurately measured, so that intelligent compensation of the deformation error of the spiral bevel gear grinding system is realized.