1680 results about "Machine building" patented technology

The invention relates to the technical field of industrial automation control, and discloses a high-precision and quick-response industrial thermostat temperature regulation system which comprises a temperature acquisition module, a fluctuation analysis module, a dynamic calibration module, a gradient optimization module, a threshold management module and a regulation execution module. The temperature acquisition module acquires real-time temperature and environment thermal inertia parameters, and sets a temperature adjustment interval; the fluctuation analysis module divides temperature nodes and generates fluctuation feature vectors; the dynamic calibration module extracts a temperature deviation index and establishes an adjustment compensation rule; the gradient optimization module identifies a temperature change grade and calculates a fluctuation density difference value; the threshold value management module deduces an optimal adjustment threshold value and generates a threshold value deviation sequence; and the adjustment execution module is integrated to form a temperature adjustment execution scheme. The system realizes deep analysis and dynamic compensation of temperature fluctuation through cooperation of multiple modules, improves the adjustment precision and the response speed, and is suitable for high-precision temperature control industrial scenes such as chemical engineering and mechanical manufacturing.

The invention provides a numerical control machine tool dynamic precision control method and system based on multi-axis linkage error compensation, and relates to the technical field of mechanical manufacturing, and the method comprises the steps: collecting shaft system motion parameters and real-time cutting load parameters of a multi-axis numerical control machine tool in a linkage machining process in real time; shafting motion parameters comprise displacement, speed and acceleration of each feed shaft, and cutting load parameters are obtained through inversion of main shaft current and servo driving torque; calculating a dynamic following error of each feed shaft in a linkage state based on the shaft system motion parameters; and carrying out load coupling correction on the dynamic following error by fusing real-time cutting load parameters to obtain an initial multi-axis linkage dynamic error. According to the invention, real-time precision control in the high-dynamic machining process can be realized.

The invention discloses a metal grinding machine tool grinding wheel wear compensation type intelligent control system, and relates to the technical field of mechanical manufacturing automation, and the system comprises a contact type reference detection module which is used for obtaining the initial contour and reference wear loss of a grinding wheel through discrete point measurement in a non-machining state; the multi-parameter non-contact real-time detection module is used for collecting acoustic emission, vibration and spindle current signals in the grinding process through three types of sensors; the grinding environment sensing module collects the temperature of a grinding area and the cutting fluid concentration; the intelligent control unit receives reference data and an environment signal, performs deep learning on a wear loss prediction model after multi-source data fusion, performs periodic reference calibration, analyzes the dynamic wear loss, and synchronously transmits the data to the data storage and tracing module; the executing mechanism adjusts grinding wheel feed amount compensation according to the dynamic abrasion loss; and the data storage and tracing module stores full-process data in real time. According to the system, high-precision and real-time wear compensation is achieved, the machining precision and consistency are improved, and high-end manufacturing requirements are met.

The invention discloses a die stamping process optimization method and system, and relates to the related field of mechanical manufacturing, and the method comprises the steps: obtaining a data set of a workpiece, and extracting the features of the workpiece; matching simulation of the workpiece and the matching part is carried out, and a restrictive space of the workpiece is established; inputting the workpiece features and the product requirements of the workpiece into a structural feature analysis model to execute structural analysis, and establishing a structural sensitive identifier; performing mold optimization fitting, and establishing a mold reinforcing rib scheme set; performing stamping key parameter optimization based on the scheme set, and establishing a control parameter optimization set; and performing evaluation analysis on a mapping result through a multi-dimensional fitness evaluation function to generate a process optimization scheme. The technical problem that in an existing die stamping process optimization method, die design and process parameter adjustment are carried out separately, integrity and collaboration are lacked, and the optimization effect is limited is solved, and the technical effect that die design and process optimization are closely combined, and comprehensive optimization from die design to process parameters is achieved is achieved.

The invention discloses a mechanical part pre-deformation clamping process method based on simulation analysis, and relates to the technical field of mechanical manufacturing. The method comprises the following steps that S1, a design drawing, material characteristic parameters, blank size specifications and technical parameters of a clamp system of a to-be-machined part are collected; according to the method, an integrated simulation model of a part, blank and clamp system is constructed, blank key parameters and the constraint relation of all parts are fused, multi-field coupling simulation is combined, the theoretical deformation field pre-judgment precision is greatly improved, reliable data support is provided for pre-deformation design, a target compensation curved surface is generated through a geometric inversion algorithm, and the pre-deformation design precision is improved. By matching with a pre-deformation clamp with an adjusting mechanism, reverse pre-deformation is realized, differences of different batches of blanks are adapted, machining and rebound deformation are effectively counteracted, simulation and process parameters are corrected through a detection result by means of a closed-loop optimization mechanism, machining precision stability is guaranteed, trial cutting cost and rejection rate are reduced, and the method is suitable for machining of various easily-deformed parts.

The invention belongs to the technical field of other metal machining machinery manufacturing, and particularly relates to pipeline inner wall grinding equipment which comprises a machine body, a first guide rail is fixedly connected to the upper surface of the machine body, a first guide groove is formed in the first guide rail, and two sliding tables are slidably connected into the first guide groove; a storage box is fixedly connected to the upper surface of one sliding table, a first hydraulic cylinder is fixedly connected to one side of the storage box, a grinding wheel is arranged at the output end of the first hydraulic cylinder, a positioning table is fixedly connected to the upper surface of the other sliding table, and a limiting ring and a limiting plate are fixedly connected to one side of the positioning table. A limiting groove is formed between the limiting plate and the limiting ring, a grinding assembly is arranged on one side of the first hydraulic cylinder and comprises a motor fixedly connected to the output end of the first hydraulic cylinder, and a positioning disc is fixedly connected to one side of the motor. The problem that metal dust generated during grinding is accumulated on the inner wall of the pipeline, and the pipeline grinding quality is affected is solved.

The invention provides a space error compensation method, device and equipment and a computer storage medium, and belongs to the technical field of precision machine manufacturing, and the space error compensation method comprises the steps: in an offline mode, based on target space error data, determining a compensation model; and in the current interpolation period of the machine tool, determining the compensated coordinate point of the current interpolation period based on the compensation model and the target position of the current interpolation period. The machining track of the machine tool can be corrected in real time in the machining process.

The invention provides a flexible adjustable mixed line machine tool spindle cooling system and method, and belongs to the technical field of machine manufacturing. The system comprises a main shaft cooling unit, a dry type air cooling unit, a circulating cooling water unit and a cutting fluid cooling unit, integrates four cooling modes of traditional cutting fluid, minimal quantity lubrication, dry type air cooling and circulating water cooling, and is provided with temperature, flow, cutting force and liquid level monitoring instruments as well as a regulating valve, a switching valve, power equipment and the like which are correspondingly interlocked. By monitoring machine tool machining states such as spindle temperature and cutting force in real time and dynamically optimizing a cooling strategy, flexible switching among four modes and parameter regulation and control are achieved, so that machining heat damage is reduced, the service life of a tool is prolonged, the machining efficiency is improved, meanwhile, cooling medium consumption is reduced, and the efficient, low-cost, low-carbon and safe machining process is achieved.

The invention belongs to the technical field of machine manufacturing, and particularly relates to a metal part discharge machining precision control method and system.The method comprises the steps that discharge gap multi-dimensional physical parameters are sensed in real time in a multi-modal mode, high-dimensional feature extraction and data fusion are carried out, an intelligent discharge state prediction model is constructed, and on the basis of a prediction result, a metal part discharge machining precision control system is obtained. And processing parameters such as a pulse power supply, servo feeding and dielectric liquid are adjusted in an ultra-fast and self-adaptive mode, and iterative optimization of the processing process is achieved. By the adoption of the technical scheme, the machining precision, the surface quality and the consistency of the metal part can be remarkably improved, electrode loss is reduced, and the machining efficiency is improved.

The invention discloses a design method of a complex shape modifying and finishing wheel and a honing wheel for internal meshing powerful gear honing, and relates to the technical field of machine manufacturing. The method comprises the following steps: establishing a trimming wheel tooth surface numerical model, and judging whether the modification amount of the trimming wheel tooth surface numerical model meets the modification requirement or not; if yes, establishing a space coordinate conversion relation and a conjugate meshing equation of the dressing wheel and the honing wheel, and establishing a honing wheel tooth surface numerical model in combination with the dressing wheel tooth surface numerical model; according to the space coordinate conversion relation between the workpiece gear and the honing wheel and the honing wheel tooth surface numerical model, a complex modification workpiece gear tooth surface numerical model is established, and whether the modification amount of the complex modification workpiece gear tooth surface numerical model meets the modification requirement or not is judged; and if yes, a dressing wheel three-dimensional solid model and a honing wheel three-dimensional solid model are established according to the dressing wheel tooth surface numerical model and the honing wheel tooth surface numerical model respectively. According to the method, precise design and verification of the complex shape modifying and finishing wheel and the honing wheel for powerful gear honing can be achieved.

The invention relates to the technical field of equipment manufacturing, in particular to a cutting device for a threaded air-tight seal buckle of an oil casing based on industrial machinery manufacturing, which comprises a case, a cutting component is mounted in the middle of the top of the case, partition plates are mounted on two sides of the inner wall of the case, and mounting frames are mounted at the bottoms of one sides of the partition plates. A mounting frame is arranged on the machine box, a turnover mechanism is arranged on the mounting frame, a three-jaw chuck used for clamping an oil casing air-tight seal buckle is mounted at the end of the turnover mechanism, the turnover mechanism is used for driving the three-jaw chuck to rotate by 180 degrees, a funnel is mounted in the middle of the bottom of the machine box, and a supporting frame is mounted at the bottom of the machine box. Two threads of the oil casing can be cut, all-around cutting machining is achieved, effective filtering performance is formed, cooling liquid recycling is achieved, scrap accumulation and blockage are prevented, the effect of automatically cleaning the filtering cloth is formed, repeated dismounting and cleaning are not needed, the cleaning difficulty is lowered, and the service life of the filtering cloth is prolonged.

The invention discloses an industry and trade enterprise public health service resource optimization decision support system, and relates to the technical field of public health management, and the system comprises a data perception and access layer, a semantic fusion and modeling layer, a knowledge graph and risk calculation layer, an intelligent early warning and decision layer, and a feedback optimization closed loop. Multi-source heterogeneous data are collected through a protocol adapter, a unified data view is constructed through industry and trade public health field ontology semantic fusion, a space-time knowledge graph is dynamically generated, risks are deduced in combination with an improved SEIR space-time propagation model and a Monte Carlo method, visual early warning and interactive decision making are achieved based on digital twinborn bodies, and the method is applied to the field of industry and trade public health. According to the method, data islands can be broken, accurate advanced early warning of public health risks is realized, resource allocation is optimized, and the method is suitable for industry and trade enterprises with dense personnel such as machine manufacturing and electronic processing.

The invention discloses a welding fixing clamp for mechanical manufacturing, and relates to the technical field of clamps, the welding fixing clamp comprises a mounting plate, a clamping assembly is arranged at the position, close to the center, of the top of the mounting plate, and a detection assembly is arranged at the position, close to the edge of one side, of the top of the mounting plate; according to the welding fixing clamp for mechanical manufacturing, in the mechanical manufacturing process, when a cylindrical steel pipe needs to be welded, firstly, the steel pipe needing to be welded is placed in an arc-shaped rod, the position of the center line of the pipe is scanned and detected through a laser scanner, and the steel pipe is moved to the position of the center line of two clamping blocks under the action of a conveying device; according to the fixing clamp for welding the pipeline, the clamping assembly is arranged, the pipeline is clamped, the center line of the pipeline is aligned with the center line of the clamping assembly, so that the clamping force of the fixing clamp for welding the pipeline to the pipeline is uniform, and the problem that in the prior art, the clamping force of the fixing clamp for welding the pipeline to the pipeline is not uniform, and the pipeline welding strength is reduced is solved.

The invention relates to the technical field of engineering machinery manufacturing, in particular to an excavator part machining treatment device which comprises a fixing base, a support is fixedly connected to the fixing base, a driving mechanical arm capable of driving horizontal two-dimensional motion is installed at the top of the inner side of the support, and a sliding disc is fixedly connected to the lower end of the driving mechanical arm. The bottom face of the sliding disc is fixedly connected with a driving cylinder, and the lower end of the driving cylinder is fixedly connected with an inverted-U-shaped frame. According to the excavator part machining treatment device, three core procedures of drilling, inner wall grinding and end face grinding are integrated, through cooperative control of the driving mechanical arm, the driving air cylinder and the motor, full-process part machining can be completed without equipment replacement or repeated clamping, the part transferring and positioning time is effectively shortened, and the machining efficiency is improved. The problem that traditional step-by-step machining is low in efficiency is solved, and the machining efficiency is improved.

The invention discloses a precision clamp device for machining special-shaped workpieces in mechanical design, and relates to the technical field of mechanical manufacturing, the precision clamp device comprises a base main body, a reference bottom plate, a plurality of rotating shafts and corresponding elastic clamping blocks, the reference bottom plate is arranged on the base main body, and positioning slots are formed for the rotating shafts to be rotatably mounted; the rotating shafts can independently rotate and drive the elastic clamping blocks to deflect to adapt to the irregular surface of the special-shaped workpiece, the rotating shafts comprise rotating blocks matched with the inserting grooves and adjusting sliding grooves extending along the shaft length, and the rotating shafts are evenly distributed on the circumference of the reference bottom plate; an elastic clamping block is connected with a transmission screw and an adjusting nut, a linear sliding block is arranged to be matched with an adjusting sliding groove, a self-adaptive contact is arranged on the side, facing the clamping center, of the elastic clamping block, the contact is provided with an elastic protection contact end cover, and a stress sensing connecting rod and an elastic buffering spring are installed in the contact. A movable rod penetrates through the base body, one end of the movable rod is connected with a control handle, the other end of the movable rod is connected with a self-adaptive pressing plate, the movable rod is sleeved with a reset spring, the pressing plate is provided with a profiling abutting block, and the clamping stability is improved.

The invention relates to the technical field of feeding devices, and discloses an intelligent mechanical manufacturing workstation feeding device which comprises an equipment base, vertical plates are fixedly mounted on the front side and the rear side of the left portion of the upper end face of the equipment base, and a driving rod is rotatably mounted between the vertical plates on the front side and the rear side. Equipment plates are rotatably mounted on the front side wall and the rear side wall of the driving rod, an electric push rod is slidably mounted in the middle of the right side of the upper end face of the equipment base, a mounting seat is fixedly mounted on the upper end face of the electric push rod, and the conveying mechanism is arranged between the equipment plates on the front side and the rear side. The adjusting mechanism is arranged on the rear side of the upper end face of the equipment base; and a lubricating mechanism. By arranging the conveying mechanism, the adjusting mechanism and the like, shaft parts of different sizes can be conveyed and fed, meanwhile, the lubricating mechanism is arranged, lubricating oil can be added to the connecting position of the conveying belt, and therefore the conveying stability of the shaft parts is improved.

The invention discloses a real-time correction control system for machining errors of a metal grinding machine tool, relates to the technical field of mechanical manufacturing and precision machining, and aims to solve the problems of incomplete error detection, modeling misalignment and correction lagging of a traditional system.The real-time correction control system comprises the steps that a multi-source error detection module collects geometric error data, thermal deformation error data and grinding wheel abrasion error data in real time; the multi-source error coupling modeling module receives data and then constructs a coupling model representing error interaction, and a built-in dynamic parameter self-adaptive correction unit can adjust model parameters according to real-time data to solve dynamic working condition parameter drift; and the real-time correction control module generates a real-time correction instruction according to a comprehensive error output by the model and sends the real-time correction instruction to a machine tool execution mechanism. The system improves the error calculation precision and the machining precision stability, and reduces the machining rejection rate.

The invention relates to the technical field of machine manufacturing, in particular to a range extender hot jacket station floating pressure head mechanism which comprises a driving mechanism, a floating positioning mechanism and a pressing mechanism. The floating positioning mechanism is arranged between the driving mechanism and the downward pressing mechanism and used for achieving self-adaptive floating positioning of the pressing head in the downward pressing process. The driving mechanism drives the pressing mechanism to move in the vertical direction. And the pressing mechanism is used for grabbing and pressing the stator, so that the stator is thermally sleeved into a shell arranged below. The floating positioning mechanism enables the pressure head to adaptively float and position in the downward pressing process, compensates the assembly error of the stator and the shell, ensures that the stator is stably and accurately pressed into the shell, and avoids part damage or assembly failure caused by unbalance loading.

The invention discloses a thickness measuring device for mechanical manufacturing, which comprises a measuring assembly and an auxiliary assembly, and is characterized in that the measuring assembly comprises a measuring tube, fixing plates symmetrically arranged on two sides of the measuring tube, a fixing rod rotationally mounted at the lower end of the fixing plate on one side, and a sliding groove formed in the side, close to the fixing rod, of the measuring tube; the auxiliary assembly comprises a grip arranged in the middle of the outer side of the fixing plate on the other side and round level bubbles arranged at the upper end and the lower end of the grip. The measuring tape rolls are symmetrically arranged at the upper end and the lower end of the measuring tube. The movable measuring mechanism is installed in the sliding groove. The adjusting mechanism is arranged at the lower end of the measuring tube and connected with the movable measuring mechanism in an engaged mode. The bubble level is fixedly installed in the middle of the fixing plate, and the control panel is arranged at the upper end of the fixing plate. The thickness measuring device is low in manufacturing cost and simple to use, can judge the posture of a measured workpiece, has the advantages of convenience in thickness measurement, high thickness measurement efficiency and high thickness measurement accuracy, has multiple functions, and improves the use diversity of the device.

The invention provides a casting joint line polishing method based on vision, and belongs to the crossing field of mechanical manufacturing automation and intelligent manufacturing, and the casting joint line polishing method comprises the following steps: obtaining template surface point cloud of a standard casting, carrying out reverse modeling on the template surface point cloud to obtain first template point cloud, and obtaining first measurement point cloud of a casting to be polished; performing rough matching and fine matching on the first template point cloud in sequence, and converting the original joint line model into a new joint line model; points, closest to track points of the template track, in the new joint line model are obtained, for each closest point, the point, having the largest vertical distance from the plane where the new joint line model is located, in the neighborhood of the closest point is obtained, and all the points having the largest distances form a path planning point cloud; and traversing all planning points in the path planning point cloud according to the machining direction, selecting a machining mode according to the machining allowance corresponding to each planning point, and generating a final machining track. The grinding precision, the grinding quality and the grinding efficiency of the joint line can be improved, and the grinding device is also applicable to complex curved surfaces.

The invention relates to the technical field of wind power generation, in particular to a floating type wind power generation foundation and a floating type wind power generator. The floating type wind power generation foundation comprises a foundation platform, a mooring assembly, a ballast system and two supporting tower barrels. The foundation platform is connected with the mooring assembly; the ballast system is connected with the foundation platform and used for adjusting the gravity center and buoyancy of the foundation platform; the two supporting tower barrels are connected with the foundation platform at intervals. The floating type wind power generation foundation is applied to a floating type wind power generator, two wind power generator sets can be installed on the floating type wind power generation foundation, and the problems of mechanical manufacturing and machining capacity bottleneck, experimental testing equipment capacity bottleneck, hoisting and transporting equipment capacity bottleneck and the like existing in the development process of ultra-high-power generator sets are effectively solved. By the adoption of the basic structure, the floating type unit can be directly universal with existing mature products, the manufacturing cost of a supply chain is greatly reduced, and meanwhile commercial operation of the floating type unit with high cost performance is better achieved.

The application discloses a metal plate spraying device and spraying process for mechanical manufacturing, and relates to the technical field of plate production. The device comprises a raw material storage mechanism, which is used for storing a metal plate to be sprayed. The metal plate to be sprayed is hung on the raw material storage mechanism through a hoisting mechanism. The hoisting mechanism comprises a moving assembly, the lower end of the moving assembly is connected with two mounting assemblies through a cross bar frame, the mounting assembly comprises two arc-shaped strips, the two arc-shaped strips are driven by a power assembly to extend from the two sides of the metal plate in sequence and are connected with the through holes of the metal plate, so that the metal plate is fixed from the two sides. The application realizes the continuous transmission and automatic mounting of the metal plate through the suspension chain conveyor and the automatic hoisting mechanism, significantly improves the spraying operation efficiency, and overcomes the defects of slow speed and low efficiency of traditional manual spraying.

The invention belongs to the technical field of other metal processing machinery manufacturing, and particularly relates to a stainless steel part polishing device which comprises a machine tool, two sets of transmission shafts rotationally installed in the machine tool, two sets of chain wheels arranged at the two ends of the transmission shafts correspondingly, and a plurality of sets of bearing plates arranged between the two sets of chains in a surrounding mode. A bearing plate is arranged on the machine tool, a discharging plate is arranged on the bearing plate, a driving mechanism used for driving the stainless steel pipe to rotate is arranged on the machine tool, a supporting frame is arranged on one side of the machine tool, a movable seat is movably installed on the supporting frame, a push rod is connected to one side of the movable seat, and a polishing head is arranged at the end of the push rod. According to the stainless steel pipe polishing and taking device, a worker can take down a polished stainless steel pipe from the discharging plate, meanwhile, the unpolished stainless steel pipe is placed on the vacant discharging plate, polishing and taking and placing of the stainless steel pipe can be conducted at the same time, the time for taking and placing the stainless steel pipe is saved, and the polishing and machining efficiency of the stainless steel pipe is improved.

The invention discloses a multi-blade large-size cutterhead wear prediction and early warning method and device and a medium, and relates to the technical field of machine manufacturing and control, and the method comprises the steps: S1, multi-source heterogeneous data synchronous collection and feature fusion; s2, constructing a single blade wear-life collaborative prediction model; s3, carrying out multi-blade collaborative wear distribution modeling and dynamic compensation; and S4, online adaptive learning and prediction robustness enhancement are carried out. According to the method, the multi-blade prediction model is deduced through single-blade modeling, model comparison verification is combined, the abrasion trend is automatically recognized, the service life of the tool is accurately predicted, the tool utilization rate can be effectively increased, the machining cost can be effectively reduced, and reliable technical support is provided for efficient machining of large machine tool cluster control.

The invention relates to the technical field of machine manufacturing, and discloses a combined machining device with cutting and hot melting drilling, which comprises a base and a pipe, and a machining mechanism and a conveying mechanism are arranged on the base; the machining mechanism comprises a fixing frame fixedly connected to the top face of the base, and an electric push rod is fixedly connected to the top face of the fixing frame. The machining mechanism is arranged, under the cooperation of two hinge plates and a first adjusting plate, the angles of the first adjusting plate and a second adjusting plate are changed, then the angles of a cutting disc and a hot melting drill bit are adjusted at the same time, workpieces of different materials and different specifications can be precisely cut and drilled, and the machining efficiency is improved. The angle can be adjusted according to different machining requirements, the optimal cutting and drilling scheme is found, after the angle is adjusted according to the machining requirements, the electric push rod can be driven to drive the movable frame to move downwards, machining cutting or hot melting drilling is conducted on the pipe, and combined machining of different modes is achieved.

The invention provides a high-precision integrated forming die for manufacturing an air conditioner compressor shell, and relates to the technical field of machine manufacturing. A bottom plate is fixedly mounted on the mounting frame, a fixing plate is mounted on the bottom plate, four round rods are fixed between the fixing plate and the lower mold base, a demolding plate is movably arranged on the round rods, demolding rods are fixed on the demolding plate, the demolding rods are positioned in demolding holes in the lower mold plate, and springs are sleeved on the four round rods; the demolding rod on the demolding plate is matched with the spring to reset, automatic demolding is achieved, product damage is avoided, the upper mold base and the lower mold base are accurately matched through the guide rod, the molding precision is improved by combining cooling loops in the mold plates, the cooling loops of the upper mold plate and the lower mold plate are communicated with a cooling liquid pipeline, cooling is accelerated, the period is shortened, and warping cracks are prevented; the hydraulic rod drives the valve element and the piston column, closed-loop control over slurry extraction and conveying is achieved, it is ensured that the filling amount is consistent, and the production efficiency, the product precision and the yield are remarkably improved.

The invention discloses a metal plate spraying device for mechanical manufacturing and a spraying process, and relates to the technical field of plate production, the metal plate spraying device comprises a raw material storage mechanism, the raw material storage mechanism is used for storing a to-be-sprayed metal plate, and the to-be-sprayed metal plate is hung on the raw material storage mechanism through a hoisting mechanism; the hoisting mechanism comprises a moving assembly, the lower end of the moving assembly is connected with two hanging assemblies through a cross rod frame, each hanging assembly comprises two arc-shaped strips, and the two arc-shaped strips are driven by a power assembly to sequentially extend out of the two sides of the metal plate and are connected with through holes of the metal plate. Therefore, the metal plate is fixed from two surfaces of the metal plate in a staggered manner. Through the suspension type chain conveyor and the automatic hoisting mechanism, continuous conveying and automatic hanging of the metal plates are achieved, the spraying operation efficiency is remarkably improved, and the defects that traditional manual spraying is low in speed and efficiency are overcome.

The invention discloses a milling path planning method and system for stress gradient steepest descent, and the method comprises the steps: carrying out the discretization of a residual stress field based on a lightweight bearing member, and mapping the discretized residual stress field to a milling model, so as to form a high-dimensional matrix; calculating a gradient vector and stress streamline distribution of the residual stress field, and according to the gradient vector and the stress streamline distribution, based on a minimum potential energy principle and a stress steepest descent strategy, performing milling path planning degradation to obtain an optimized baseline; and according to the high-dimensional matrix and the optimized baseline, milling path planning is converted into graph complete traversal with the graph theory as guidance, a steepest descent scheme of strain energy and rigidity is optimized, and an optimal milling path scheme is obtained. The method serves for precision machine manufacturing process design, and the problems of array geometric feature milling path planning and machining deformation control of current lightweight force bearing components are solved; and the method is particularly suitable for light-weight bearing components with array geometric characteristics and high dimensional precision.

The invention belongs to the field of machine manufacturing, and discloses a deep hole inner molded surface profiling boring direct-drive intelligent control cutter system which comprises a cutter assembly, a rotary drive assembly and a sensor assembly. A rotary driving shaft of the rotary driving assembly is connected with an axial gear of the right-angle bevel gear pair, the inner side of a radial gear is connected with a driving nut, and the base plate and the tool apron are connected through a ball screw, so that a blade on the tool apron is driven to achieve radial feeding. The sensor assembly comprises a force sensor, a temperature sensor and a vibration sensor, signals are collected in real time and fed back to the drive control circuit board to control the rotary drive assembly, and therefore the profiling boring precision of blade feeding is improved. Direct driving and intelligent sensing control are combined and embedded in the profiling adjusting type boring cutter, a cutter transmission chain is greatly reduced, the transmission rigidity, the control precision and the response speed are improved, and therefore the performance requirements of a deep hole complex inner profile for high precision, high quality, high efficiency and high cost performance are met.

The invention provides a system and a method for accurately removing a coating at a mounting position of a sprayed workpiece, and relates to the technical field of surface treatment in mechanical manufacturing, the system comprises a visual scanning module, a positioning module, a control system, an execution mechanism, a real-time monitoring module and an auxiliary device, the method comprises a system initialization and calibration step, a visual scanning and hole site three-dimensional positioning step, a path planning and laser parameter adaptation step, a multi-mechanical-arm collaborative operation deployment step, a coating removal execution and real-time regulation and control step and a quality detection and correction step. According to the method, a dynamic coupling adjustment mechanism of the density between the track points and the laser parameters is achieved, the scanning rate is increased to improve the efficiency, the efficiency and quality dual-optimization target is achieved, and a basis is provided for efficient and intelligent laser coating removal.