112622results about "Metal working apparatus" patented technology

A stop for use with an electric drill bit, the stop having at least one threaded sleeve for positioning the stop relative to a surface into which the drill bit will extend. The stop may have both an inner and an outer sleeve. The sleeves are mounted coaxially, one inside the other about the drill bit. One of the sleeves, preferably the inner sleeve, provides coarse adjustment of the position of the shoulder relative to the tip of the bit, while the other, preferably the outer sleeve, provides fine adjustment of the position of the shoulder relative to the top of the bit.

The invention relates to the technical field of numerical control machine tool machining precision improvement, in particular to a tool compensation system and method for machine tool machining, and the system comprises a cutting load monitoring module, a machine tool thermal deformation detection module, a tool compensation path calculation module, a track error correction module and a tool error compensation execution module. According to the method, through cutting load monitoring and real-time analysis of main shaft current sensor data, the relation between tool stress change and main shaft rotating speed deviation is accurately recognized, dynamic response to the tool abrasion state is achieved, and in combination with machine tool temperature data, the thermal deformation amount is calculated through a system, and a compensation path is dynamically adjusted; a compensation strategy is optimized to cope with the real-time influence of thermal deformation on a machining track, the tool compensation path correction and the track error trend are analyzed, fine adjustment of the machining path is achieved through an innovative scheme, sudden errors are effectively reduced by integrating tool abrasion, machine tool thermal deformation and cooperative adjustment of path errors, and the machining precision is improved. And the adaptability and the consistency of the machining process are enhanced.

The invention relates to the technical field of curved surface machining control, and discloses an intelligent curved surface machining method and system based on a CNC cutting machine tool, and the method comprises the steps: carrying out the laser scanning of a to-be-machined workpiece, obtaining the three-dimensional geometric data of the workpiece, activating a target clamping device, and generating an initial clamping scheme; the target clamping device is controlled to execute multi-area pressure gradient clamping operation, and target position data and clamping pressure distribution data are obtained; performing multi-field coupling dynamic analysis to generate a processing optimization parameter set; executing segmented continuous Hamiltonian path planning and self-adaptive lattice point reconstruction according to the machining optimization parameter set, and generating a tool path data set; according to the method, it is ensured that all the surfaces of the polygon prism workpiece are evenly stressed, the problem of machining deviation caused by edge stress concentration in a traditional method is solved, and the overall machining quality of the workpiece is improved.

The invention relates to the technical field of program control systems, in particular to a pentahedron machining center precision calibration method and system based on multi-sensor fusion, and the method comprises the steps: a sensor system construction and calibration module is used for field calibration, drift correction and redundancy deployment to ensure data precision, and achieves the whole-course traceability of a calibration process through a block chain technology; the multi-source data preprocessing and fusion module is used for time-space synchronization of heterogeneous data and dynamic fusion of multi-source information; the intelligent modeling and state prediction module is used for performing real-time and multi-task prediction on key states such as tool wear and thermal deformation; based on the prediction result, the adaptive compensation and path optimization module is used for dynamically optimizing the tool path; meanwhile, through an online learning mechanism, the calibration model is continuously updated by utilizing a processing result; the distributed cooperative control module executes data processing and calibration algorithms locally and makes a cooperative decision with a numerical control system, and low-delay and intelligent response to machining abnormity is achieved.

To provide a metal paste capable of efficiently providing a joined body having reliability high in electrical and mechanical strength even when narrowed in pitch, and to provide a method for manufacturing the joined body.SOLUTION: A metal paste comprises metal particles and a solvent, and has a shear viscosity of 1 to 100 Pa_s, measured at a shear rate of 10 s-1 at 25°C, wherein a value (TI value) obtained by log-transforming a ratio of a shear viscosity measured at a shear rate of 0.1 s-1 and a shear viscosity measured at a shear rate of 1 s-1 is 0.7 to 1.0.SELECTED DRAWING: Figure 4

The invention provides an aluminum alloy auxiliary frame welding accurate positioning and quality control method and system. The method comprises the steps that S4, welding gun track control parameters are updated through a dynamic adjustment instruction, laser tracking data are fused to optimize the welding path angle in real time, and the accurate movement track of each section of welding seam is determined; s5, acquiring real-time thermal expansion data during welding execution, monitoring temperature field distribution of a welding seam area by adopting an optical measurement technology, and judging whether thermal deformation adjustment exceeds a preset threshold value or not; s7, micron-sized welding spot positioning operation is executed according to the stable positioning state, the dynamic path optimization result is fused to generate a final welding instruction, and consistent welding seam quality data is output; and S8, after weld joint quality data are obtained, weld joint deviation and geometric consistency are detected through a laser tracking technology, whether welding quality meets design requirements or not is judged, and a quality verification report is generated. According to the method, the precision and consistency of intelligent welding of the aluminum alloy auxiliary frame are remarkably improved.

The invention relates to the technical field of data processing, and discloses a method and system for monitoring the running state of reflow soldering equipment. The method comprises the steps of collecting data through a multi-point sensor, extracting temperature gradient, tension fluctuation and gas concentration characteristics, constructing a state recognition model, calculating a health index and setting an early warning threshold value, constructing a fault precursor extraction model to predict a future state, and finally establishing a maintenance strategy optimization system and generating an equipment maintenance plan based on fault early warning information. Through multi-dimensional data fusion and intelligent analysis, early accurate identification of the abnormal state of the equipment, accurate prediction of the fault development trend and active maintenance decision based on quality influence and cost optimization are realized, so that the welding quality stability is improved, the non-planned downtime is shortened, and the maintenance cost is reduced.

The present invention belongs to the technical field of machining and punching, and in particular relates to a surface pressurized punching device for anode plate machining. The surface pressurized punching device comprises a workbench of a table structure, a machine unit mounted on one side of the workbench, and a rack welded to the table top of the workbench, wherein an operation platform is fastened to the table top of the workbench and inside the rack by means of bolts, and clamping plates which are oppositely arranged are slidably mounted on two sides of the surface of the operation platform; and a hydraulic cylinder is mounted at the center of the surface of the rack, and an output shaft of the hydraulic cylinder running into the rack is fixedly connected to a drill rod by means of a coupler. By means of providing a reaming assembly, an electric motor B is controlled by an external power supply to operate while the hydraulic cylinder drives the drill rod to move, such that the electric motor B drives, by means of a gear A and a chain, a gear B to rotate synchronously while the electric motor B moves with the drill rod by means of an outer frame, thereby driving the drill rod to rotate. Thus, the surface of the drill rod can rotationally grind and finish holes in an anode plate while the drill rod performs drilling, thereby reducing burrs.

The invention relates to a shaft linkage curved surface component machining path real-time control method, system and device, and the method comprises the steps: obtaining geometric data and machining process parameters of a shaft linkage curved surface component, and carrying out the shaft linkage decomposition to obtain a multi-shaft linkage machining path; real-time operation parameters of machining equipment and tool workpiece contact data are obtained, deviation matching is conducted on the multi-axis linkage machining path, and a real-time axis control instruction set and an axis position compensation trend curve are obtained; performing path optimization on the shaft position compensation trend curve according to the real-time shaft control instruction group to obtain an initial shaft linkage adjustment scheme; performing curved surface precision evaluation on the tool workpiece contact data, and performing curved surface prediction in combination with the axis position compensation trend curve to obtain a curved surface quality prediction area; and performing coordinated optimization on the initial axis linkage adjustment scheme according to the curved surface quality prediction area to obtain an axis linkage optimization processing strategy. It can be guaranteed that efficient operation can be achieved in different machining states, and path deviation in the machining process is reduced.

The invention discloses a control method and system of a vertical multi-axis numerical control mortise broaching machine and a storage medium, and relates to the technical field of broaching machines. The control method comprises the following steps that S1, a three-dimensional model of a workpiece is imported, and a mortise machining area is recognized based on geometric features of the model; s2, according to the material attribute, the tool type and the machining precision requirement, the feeding speed, the cutting depth and the main shaft rotating speed parameter of a machining path are set; s3, generating a multi-axis linkage tool path plan, and decomposing a tool path into a control instruction of multi-axis cooperative motion through a numerical control system; s4, the deviation between the actual position and the theoretical position of each shaft is monitored in real time in the machining process, and the output torque and the rotating speed of the servo motor are dynamically adjusted; s5, collecting cutting force data in real time; s6, the distance between the cutter and the surface of the workpiece is measured in real time through a laser displacement sensor, and a displacement feedback signal is generated; and if the cutting force data and the displacement feedback signal exceed preset threshold values, a dynamic compensation mechanism is triggered. The broaching machine control method has the effect of improving broaching machine control accuracy.

The invention relates to the technical field of digital twinning control, and discloses a composite structure prefabricated segment digital twinning-adaptive assembly correction method and system, and the method comprises the steps: reading BIM geometric model data, and constructing an assembly reference coordinate system and a digital twinning geometry of a prefabricated segment; composite data are collected in real time, and end tooth groove boundary feature point cloud is extracted; matching the actually measured point cloud with the digital twinborn geometry through a dynamic point cloud registration technology, calculating a six-degree-of-freedom pose error vector, and generating a predicted total pose error vector in combination with a pre-constructed pose drift prediction model; based on the error vector, a mechanical fine adjustment jack is driven to execute position and posture adjustment until the position and posture are converged, and then tooth groove precise meshing and mechanical locking are completed; according to the method, through the synergistic effect of the dynamic mapping of the digital twinborn model and the self-adaptive correction algorithm, high-precision dynamic correction of the multi-combination structure segment assembly process is achieved on the premise that an original mechanical connection structure is not changed.

The invention discloses an intelligent machining control method and control system for a CNC lathe, and relates to the technical field of lathe machining control, and further realizes real-time correction of a speed regulation control plan by collecting a spindle load feedback value in real time for a regulation target track section and comparing the spindle load feedback value with a spindle load dynamic prediction model, so that the machining accuracy of the lathe is improved. The problems of system response lag and load prediction deviation are effectively solved, meanwhile, after a machining task is finished, an inertia index, a main shaft load curve, speed regulation feedback data and final machining quality parameters are archived and used for updating main shaft historical operation data, a main shaft load dynamic prediction model and a track direction change rate response model can be continuously optimized, and the machining efficiency is improved. The learning ability evolved along with data accumulation is enhanced, the speed regulation control precision and machining stability of the numerical control lathe in complex path machining are fundamentally improved, and the core problems of speed regulation control delay, frequent path impact, track error accumulation and the like in the prior art are solved.

An adjustable bladeset for a hair clipper with a clipper housing includes a stationary blade having a stationary toothed end with a plurality of stationary teeth, an opposite stationary base end and an upper surface, and a moving blade having a moving toothed end with a plurality of moving teeth, the moving blade configured for reciprocal transverse movement relative to the stationary blade on the upper surface. The stationary blade is linearly displaceable relative to the moving blade by action of an adjustment lever on the clipper housing. A blade guide is on the upper surface at the stationary base end, and has at least one toothed strip. The adjustment lever is connected to a blade actuator shaft having at least one toothed cog configured to engage the toothed strip so that rotation of the actuator shaft causes the linear displacement of the stationary blade relative to the moving blade.

An edge guide is provided. A structure includes curved surface over which a print media can travel. The print media includes a first edge and a second edge that is opposite the first edge. A first media guide is contactable with the first edge of the print media. A second media guide is contactable with the second edge of the print media. The second media guide is spaced apart from the first media guide. A relative spacing between the second media guide and the first media guide is adjustable such that a distance between the first media guide and the second media guide is variable. The second media guide includes a mechanism that applies a nesting force to the second edge of the print media to cause the first edge of the print media to move toward and contact the first media guide.

A component includes a body having a coupon opening defined therein, and an additively manufactured (AM) metal coupon including a dense region, a porous region adjacent the dense region, and a coupon outer surface. The porous region has a first cross-sectional area at a first location at or near the coupon outer surface and a second cross-sectional area less than the first cross-sectional area at a second location distal from the coupon outer surface. A braze material couples the metal coupon in the coupon opening and infiltrates into the porous region, e.g., based at least on a characteristic of the porosity thereof. The dense region may have a third cross-sectional area at the first location and a fourth cross-sectional area greater than the third cross-sectional area at the second location so it can direct the braze material in the porous region toward an inner surface of the coupon opening.

The invention relates to the technical field of image analysis, in particular to an ETFE film cutting control method and system based on image recognition, and the method comprises the following steps: enhancing an edge through multi-scale Gaussian filtering, extracting a gray level change rate pixel by a Sobel operator, generating a path segment, outputting a coordinate, calculating a gradient direction, constructing a direction continuous sequence, and recording an angle deviation; a dynamic window judges abnormal fluctuation to trigger calibration, a fluctuation segment vector is replaced to update a motion track, and a B spline is fitted to generate a track output cutting instruction. According to the method, multi-scale Gaussian filtering is combined with Sobel operator enhanced edge extraction continuous pixels, the fracture problem caused by a fixed threshold value is solved, vector space projection constructs a direction sequence to quantify angle deviation, dynamic window range judges fluctuation to trigger calibration, and a vector replacement strategy corrects an abnormal section control point direction. A smooth track is generated through B spline interpolation, mechanical vibration is reduced, and the flexible material cutting precision and the equipment cooperation efficiency are improved.

A laser processing apparatus irradiates a target with a laser light to form a modified region along a virtual plane in the target. The laser processing apparatus includes a support portion, an irradiation portion, a movement mechanism, and a controller. The controller performs a first processing process of irradiating a first portion in the target with the laser light under a first processing condition, and a second processing process of irradiating a second portion more on an inner side than the first portion in the target with the laser light under a second processing condition different from the first processing condition, after the first processing process.

The invention relates to steel box girder high-strength bolt operation, in particular to a high-strength bolt automatic tightening machine based on machine vision positioning and a tightening method. The automatic tightening machine for the high-strength bolts is used for automatically tightening the bolts of the steel box girder and comprises a multi-shaft moving support, a tightening assembly and a control unit. The multi-axis moving support achieves plane movement of a steel box girder top plate through a servo-driven moving part, a multi-axis support provides three-dimensional space freedom, and the tightening assembly is driven to accurately adjust the posture. The tightening assembly adopts a double-station design, a first tightening head and a second tightening head which are symmetrically arranged on the two sides synchronously move through a door frame type lifting shaft, the image obtaining set is combined to collect position and posture data of a nut and a screw in real time, and a three-dimensional motion path is generated to guide centering. The control unit coordinates multi-axis motion and torque output based on machine vision feedback, full-process automation of the bolt from recognition, positioning to tightening is achieved, the problems that manual operation is low in efficiency and large in error are solved, and screwing precision and structural reliability are ensured.

The invention discloses silver-nickel conductive paste for a BC battery and a preparation method of the silver-nickel conductive paste, and belongs to the technical field of photovoltaic batteries. The silver paste comprises the following raw materials in percentage by weight: 39-69% of micron silver powder, 20-50% of modified nickel, 2-6% of glass powder, 0.1-10% of a dispersing agent, 0-1% of silicone oil and the balance of an organic carrier, the modified nickel is simple substance nickel powder subjected to modification treatment, and the modification treatment mode is surface organic modification and ball milling modification or surface inorganic modification and ball milling modification. The nickel powder is adopted to replace part of silver powder, the prepared conductive silver nickel paste is used for a BC battery, the cost is remarkably reduced, the reliability is high, and the conversion efficiency is superior to or equivalent to that of traditional all-silver electrode paste.

The invention relates to the field of bending machines, in particular to a bending machine system based on real-time springback compensation and a bending angle dynamic calibration method, and the bending machine system comprises a bending machine sliding block, a workbench, a linear guide rail, a sensor, a compensation calculation module and an electric control cabinet; an upper die is arranged at the bottom of the bending machine sliding block, a lower die matched with the upper die is arranged above the workbench, a material to be bent is placed on the lower die, linear guide rails are symmetrically arranged on the two sides of the workbench, angle detectors are symmetrically arranged on the linear guide rails, high-precision angle sensors are arranged in the angle detectors, and the high-precision angle sensors are arranged on the linear guide rails. The angle acquisition module is used for acquiring material bending angle data in real time and uploading the data to a control system of the electric control cabinet through the communication module; the sensor and the compensation calculation module are arranged in the electric control cabinet, the degree-of-freedom rotating arm is arranged on the electric control cabinet, through real-time feedback, dynamic compensation and intelligent decision making, the precision and efficiency bottlenecks caused by material springback are solved, and the industrial application value is remarkable.

The invention relates to a radio frequency elastic sheet precision punch forming method in the field of precision hardware stamping, which comprises the following steps of: embedding an optical fiber sensor array in a die, monitoring displacement deviation and stamping force change in a stamping process in real time, and obtaining dynamic data of a contact surface of the die and a material; according to displacement deviation and stamping force data collected by the optical fiber sensor, stress distribution of material flow is calculated, and whether a local stress concentration phenomenon exists or not is judged; according to the mold wear compensation model, displacement deviation caused by mold wear is calculated, the position and pressure parameters of the mold are dynamically adjusted, and errors caused by wear are compensated in real time; the displacement control parameters adjusted in real time are applied to a multi-stage stamping control system, it is ensured that the displacement precision of each stamping stage reaches the micron order, and the high-frequency transmission performance requirement of the radio frequency elastic piece is met; and according to the final detection result, the multi-stage stamping displacement control model and the die wear compensation model are updated, and the forming precision and the production efficiency of the radio frequency elastic sheet are continuously optimized.

Energy is locally supplied to a cutting surface that is formed in an outer circumferential region of a wafer in a trimming step, before a grinding step of grinding the wafer. This can remove or repair at least part of a damage layer formed in the outer circumferential region of the wafer due to the trimming step. As a result, breakage of the wafer that originates from the outer circumferential region in the grinding of the wafer which has been subjected to the edge trimming and generation of dust in a step after this grinding can be suppressed.

The invention discloses an automatic fastening system and method for overhead line system cantilever bolts. The system comprises a maintenance car, a visual ranging parking unit, a laser radar sensing unit, a mechanical arm execution unit, a force feedback control unit, a tail end execution unit, a digital twin unit and an operation management platform. The method comprises the following steps: S1, guiding a maintenance car to stop below a cantilever of the overhead line system; s2, scanning an overhead line system cantilever, generating a three-dimensional model and positioning a bolt; s3, planning a collision-free path; s4, smooth alignment of the bolt sleeve is achieved; s5, bolt fastening is completed according to the preset torque; s6, synchronously displaying the operation progress, and storing whole-process operation data; and S7, performing anomaly detection and task continuous transmission on the whole process, and performing data archiving and early warning. Intelligent and automatic bolt fastening operation is achieved for the first time in the field of railway contact network maintenance, and an effective solution is provided for improving the railway operation and maintenance efficiency and safety.

The invention relates to the technical field of body-equipped intelligent robots and intelligent equipment, in particular to a self-adaptive flexible tightening body-equipped intelligent robot which comprises a body-equipped moving platform, the top of the body-equipped moving platform is provided with a body-equipped lifting mechanism, and the top of the body-equipped moving platform is provided with a body-equipped articulated arm module. And a tightening actuator and a clamping jaw actuator are arranged at the tail end of the outer part of the body articulated arm module. According to the self-adaptive flexible tightening intelligent robot and the tightening process method, sensing and self-adaptive adjustment of external environment changes are achieved through multi-module integration, and the tightening process method based on a multi-mode sensing system and an intelligent control system is constructed; vision, force sense and touch sense data are fused, real-time monitoring and dynamic adjustment of the tightening process are achieved through a machine learning algorithm, and the intelligent level and quality stability of tightening operation are effectively improved.

The invention belongs to the field of machining, and relates to a machining process quality online monitoring and feedback adjusting system and method. The system comprises a multi-modal data acquisition module used for acquiring a mechanical vibration signal and a high-frequency micro-damage signal; the feature preprocessing and cross-modal fusion module is used for carrying out time domain, frequency domain and time-frequency domain feature extraction on the collected mechanical vibration signals and high-frequency micro-damage signals, carrying out edge, texture and shape feature extraction on workpiece machining surface image signals, and introducing a cross-modal attention mechanism to achieve weighted fusion of heterogeneous signals. And finally generating a fusion feature vector with high discrimination. The machine tool / cutter state and workpiece quality intelligent analysis module is used for constructing an intelligent analysis model for the equipment operation state and the workpiece machining quality; inputting the fusion feature vector into an intelligent analysis model to obtain a quality evaluation result; and the quality judgment and feedback adjustment module is used for adopting a dynamic threshold adjustment mechanism to realize adaptive comparison with a process standard according to a quality evaluation result.

A metal coupon (200) for repairing a component (202) includes an additively manufactured (AM) metal member (210) having at least two porous regions (300) and a braze material infiltration barrier (304) positioned between the at least two porous regions (300). The braze material infiltration barrier (304) has a lower porosity than the at least two porous regions (300). A component (202) using the metal coupon (200) may also include a braze material (310) coupling the metal coupon (200) in a coupon opening (204) in the body (206). The braze material (310) infiltrates at least one of the two porous regions (300), and the braze material infiltration barrier (304) separates the braze material (310) in the at least one of the two porous regions (300) from at least one other of the at least two porous regions (300). Different braze materials may be used in each porous region.

An additive manufactured (AM) metal coupon for a turbomachine component is provided. The component includes an airfoil body having a pressure side, a suction side, a trailing edge, and a coupon opening. The AM metal coupon has an AM metal member with at least one slanted coupon side wall at an angle of less than 90° with an exterior surface of the AM metal member. The AM metal member also has a first porous region having a first porosity and a second porous region having a second porosity different than the first porosity. A braze material couples the AM metal coupon in the coupon opening in the airfoil body and infiltrates into at least one of the first porous region based at least on a characteristic of the first porosity and the second porous region based at least on a characteristic of the second porosity.

A metal coupon for repairing a component includes an additively manufactured (AM) metal member having a conduit in an interior of the AM metal member, and a first porous region around the conduit. The conduit is hollow. The porous metal coupon with conduit allows a braze material to be directed based on characteristics of the first porous region. A second porous region may be provided inside the conduit to increase heat rejection of the conduit.

The invention relates to the field of lucid ganoderma processing equipment, and discloses lucid ganoderma slicing equipment which comprises a conveying belt, a portal frame is fixedly mounted on one side of the top of the conveying belt through a support, a movable frame is movably mounted on the lower side in the portal frame, and a variable-pitch shaft is movably mounted on the upper side in the movable frame; two guide rods are fixedly installed on the lower side of the interior of the movable frame, a plurality of movable blocks are evenly and movably installed on the outer diameters of the guide rods, blades are fixedly installed at the bottom ends of the movable blocks, and a sleeve is movably installed in the middle of the interior of the portal frame through two supporting rods; a rotating column is movably mounted at the inner top of the portal frame, the bottom end of the rotating column extends into the sleeve, and a bidirectional spiral groove is formed in the outer diameter of the rotating column. The ganoderma lucidum cutting device can efficiently clean ganoderma lucidum and automatically complete cutting, the blade can vibrate to prevent tearing and breaking during cutting, the slicing thickness is uniform and adjustable, the automation degree is high, and the finished product quality and the production efficiency are effectively improved.

A tooling fixture for welding an automobile accessory. The tooling fixture for welding an automobile accessory comprises a workbench (100), wherein transverse adjustment devices (200) are fixedly mounted on an upper side of the workbench (100), and a set of clamping devices (300) for clamping an automobile accessory is fixedly mounted at an adjustment end of each transverse adjustment device (200); and a support device (400) for supporting a welding position is provided on the workbench (100) and is located between the two sets of clamping devices (300). When the automobile accessory is welded, the automobile accessory can be clamped and fixed, thereby improving the welding quality.