4134 results about "Milling cutter" patented technology

The invention discloses a method for online reconstruction of a temperature field of a cutting area of a temperature measurement end mill. The method comprises the following steps: constructing a milling cutter three-dimensional model; establishing a milling heat conduction model; finite element analysis software is used for conducting heat conduction positive problem simulation under different heat flow densities; extracting a temperature value of each node and calculating a temperature sensitivity coefficient; acquiring a temperature data sequence at the temperature measurement position; establishing and training a heat conduction inverse problem algorithm model; acquiring real-time temperature data and predicting heat flux density through a temperature measurement module; and on-line reconstruction of the temperature field of the cutting area is realized in combination with the temperature sensitivity coefficient and the predicted heat flux density. The method can monitor the cutting temperature in real time, optimize the machining parameters, prolong the service life of the cutter and improve the machining precision.

Milling device for prosthetic surgery comprising a milling tool rotating about a milling axis, and a handling body. The handling body is provided with a drive rotating rod which develops along a longitudinal axis of linear rotation and is connected to the milling tool in order to make the milling tool rotate about the milling axis.

A rotating check valve is disclosed for improved debris collection within a wellbore. The check valve can be part of a debris removal tool that includes a motor, pump, gearbox, bailer, milling bit, the check valve, rotational shafts. On its uphole end, the check valve can be coupled with the bailer such that the check valve can rotate relative to the bailer. Also on the uphole end, the check valve can be rotationally coupled to a shaft that passes through the bailer and couples with the gearbox. On the downhole end, the check valve can be rotationally coupled to the milling bit. The check valve can include a torque transfer mechanism that transfers torque generated by the motor and gearbox to the milling bit. The check valve can include a unidirectional flow control mechanism that restricts the flow of fluid and debris to the uphole direction.

The invention relates to the technical field of milling cutters, in particular to a multi-tooth micro-blade milling cutter and a manufacturing method and application thereof. The multi-tooth micro-blade milling cutter comprises a cutter handle and a cutter head body, wherein the cutter head body is fixedly connected to one end of the cutter handle; the multiple cutter teeth are arranged on the outer side face of the cutter head body, and each cutter tooth extends to the tail end, close to the cutter handle, of the cutter head body from the top end, away from the cutter handle, of the cutter head body; each cutter tooth comprises a front cutter face, a rear cutter face and a cutting edge, the cutting edge is provided with a plurality of continuously-distributed micron-sized protruding micro-blades, the micro-blades form an arc-shaped sawtooth structure, the micro-blades extend to the front cutter faces and form micro grooves in the front cutter faces, the micro-blades extend to the front cutter faces and form micro grooves in the front cutter faces, and the micro-blades extend to the rear cutter faces and form micro grooves in the front cutter faces. The multi-tooth micro-blade milling cutter has the structure of the front angle of the front cutter face of the milling cutter tooth and the rear angle of the rear cutter face of the milling cutter tooth, the linear cutting blade of the traditional cutter tooth is dispersed into micro blades, the stress concentration of the cutter is reduced, a plurality of convex micro blades are in grinding motion on the machining face in the milling process, and the milling and grinding combined machining effect is formed. Unification of machining efficiency and machining precision is achieved.

The invention discloses a face milling cutter cutting vibration energy change characteristic identification method. Comprising the following steps: a high-efficiency face milling cutter cutting vibration experiment scheme, a cutting vibration experiment result and cutting time period division method, vibration acceleration time-frequency characteristics of different cutting time periods, a cutting vibration energy calculation method, a cutting vibration energy distribution identification method and a vibration energy dynamic characteristic evaluation method. By comprehensively analyzing and identifying the vibration energy in the milling process, the stability of the efficient milling cutter in the cutting process and the distribution characteristic of the vibration energy can be effectively revealed, and by resolving the vibration energy, the time-frequency characteristic parameters of the vibration energy in different cutting time periods in the process from the milling cutter to the process from cutting in to cutting out of a workpiece are extracted; therefore, the change rule of the milling vibration energy is accurately identified, the change characteristic of the vibration energy in the cutting process can be effectively identified, the cutting stability is improved, the negative influence of vibration on the machining quality is reduced, and the machining efficiency is improved.

The invention provides a cutting device for valve pipeline machining, and relates to the technical field of metal cutting. The cutting device for valve pipeline machining comprises a machine cabinet, two roller shaft conveyors are symmetrically arranged at the top of the machine cabinet, and angle adjusting assemblies are jointly installed between the two roller shaft conveyors and the machine cabinet; a support matched with the cabinet is arranged on one side of the outer surface of the cabinet, and three mounting frames are arranged at the bottom of the support. Through the integrated lifting type cutting assembly and the groove milling cutter on the telescopic machine box, pipeline cutting and groove forming are synchronously completed in one-time clamping, and the problem of repeated positioning caused by step-by-step machining in a traditional technology is solved. Especially for a thick-wall pipe or a high-alloy steel pipe, the coaxiality of the cutting end face and the groove machining face is ensured through cooperative clamping of the fixed roller and the wingspan type auxiliary roller, the precision of the valve pipeline butt joint face is remarkably improved, and the industrial scene with the high sealing performance requirement is met.

The invention provides a double-screw pump helical casing molded line forming and milling device, which relates to the field of helical casing processing, and comprises a base, a driving screw, a fixed bracket and a movable table, a threaded cylinder is installed on the bottom side in the moving table, the driving screw is further in engaged connection with the threaded cylinder through threads, two sets of machining material driving shafts are rotationally clamped to the moving table, and supporting structures are further arranged on the lower sides of the foremost ends of the parts, with the large diameters, of the two sets of machining material driving shafts. Lifting structures are further arranged at the front ends of the small-diameter parts of the two sets of machining material driving shafts, the fixing support is fixed to the base, a double-end driving motor is installed at the rear end of the top of the fixing support, and two sets of milling cutter driving shafts are rotationally clamped to the inner side of the upper end of the fixing support; and the rear end of the milling cutter driving shaft is in transmission connection with a motor shaft at the rear end of the double-head driving motor. Two sets of spiral raw materials can be machined at the same time, the manufacturing cost is low, and the problems that an existing machining machine tool is high in investment and low in machining efficiency are solved.

The invention discloses a multi-discharge efficient precision machining device and method for a milling cutter. The multi-discharge efficient precision machining device comprises a high-precision machining tool, an electric spark machining pulse power supply, a discharge monitoring device and a detection device. The high-precision machining machine tool comprises an electric spark machining machine tool, a spindle, a grinding wheel, a workbench and a machine tool body. The main shaft supports accurate movement in three directions; stable and controllable pulse current and voltage are output through the electric spark machining pulse power supply; a voltage probe and a current probe are arranged on the discharge monitoring device, and discharge voltage and current data are collected in real time through the voltage probe and the current probe; the detection device comprises a non-contact optical measuring instrument, the abrasion of the grinding wheel is monitored through the non-contact optical measuring instrument, meanwhile, the machining allowance of the milling cutter blank placed on the workbench and the size precision after finish machining are measured, and the surface quality of the milling cutter is detected; the machining precision and efficiency of the milling cutter are improved, and efficient precision machining of the milling cutter is achieved.

The invention relates to the technical field of machining, in particular to an ultrasonic milling device which comprises a milling platform, a spindle and the like. A main shaft capable of moving up and down, left and right and front and back is mounted on the milling platform; and a cutting fluid nozzle is mounted on the main shaft. Compared with a conventional ultrasonic milling device, the telescopic state of the end milling cutter is controlled through the first driving part, so that the cutter replacement operation between the face milling cutter and the end milling cutter is completed under the condition that the main shaft does not stop, the time spent on replacing the milling cutter in the milling process of a machined part is shortened, and the milling efficiency is improved; and the baffle and the annular air bag jointly prevent cutting fluid from splashing into the sleeve, collision between cuttings and the end mill is avoided, and abrasion to the end mill is reduced.

The high-precision turning, milling and grinding integrated machining special machine for the tail of the screw of the injection molding machine comprises a machine body, and a mechanical arm used for feeding and discharging is installed on the front side of the top of the machine body. Through cooperative use of the moving mechanism, the left end clamping mechanism and the machining mechanism, the two ends of a single-screw rhomboid screw or an auxiliary-screw rhomboid screw can be clamped and fixed no matter the single-screw rhomboid screw or the auxiliary-screw rhomboid screw is machined, the clamping mode does not generate a dead angle area, the traditional mode that clamping is conducted only through the single end is changed, the situation that a workpiece is affected by centrifugal force is avoided, and the machining efficiency is improved. Therefore, the accuracy of thread engraving and milling is improved, waste chips generated by engraving and milling can be collected in the waste collecting box, and the cleanliness of the environment is guaranteed; besides, a storage mechanism and a detection mechanism are arranged for cooperative use, a milling cutter, a grinding head and a drilling head used in the machining process can be automatically replaced, threads on machined workpieces can be detected, substantive improvement is achieved, and the device is beneficial to application and popularization.

The invention relates to the technical field of milling machining, and particularly discloses a CNC lathe reinforced milling device which comprises a machine box, a first adjusting mechanism is fixedly installed on one side of the machine box, a milling machine is fixedly installed at the top of the first adjusting mechanism, and a milling cutter is installed at the output end of the milling machine through a screw. According to the technical scheme, in the application period, by arranging the clamping assembly, the multiple adjusting mechanisms and the cleaning assembly, workpieces of different specifications can be stably clamped, the relative position of a milling tool and the workpieces and the machining angle of the workpieces can be flexibly adjusted, chippings can be efficiently cleaned in real time, and the machining efficiency is improved. The problems that in the prior art, a milling mechanism is limited in adjustment, a clamp cannot be turned over, and chippings are difficult to clean are solved, the situation that positioning errors and machining precision are affected is avoided, the burden of operators is reduced, the machining stability, efficiency and quality are improved, and diversified machining requirements are met.

The invention discloses a milling process vibration state monitoring method and system for a machine tool milling cutter, and belongs to the technical field of intelligent monitoring. The method comprises the following steps: acquiring a vibration signal of a milling cutter under a reference processing condition, and establishing a reference template containing normal vibration characteristics; dynamically adjusting an alarm threshold value, and starting fault diagnosis analysis; performing envelope spectrum analysis on the vibration signal triggering diagnosis; preliminarily judging the affiliation fault type of the abnormal vibration through a preset fault classification model; and carrying out association verification by combining the attribution fault type and the spatial position information when the abnormality occurs, confirming the root cause of the fault, and outputting a targeted classification alarm instruction. According to the invention, the cutter handle single sensor is linked with phase slicing and dynamic threshold and coordinate verification, so that the faults of the cutter, the cutter rest and the workpiece are accurately distinguished and directionally alarmed, and the problems that a fault source cannot be distinguished by a single channel and the false alarm rate is high in the prior art are solved.

The bevel groove edge milling device suitable for auxiliary welding of the LNG pressure container solves the problems that the workload of double-face edge milling is large, edge milling movement guiding cannot be achieved, edge milling is prone to shifting, and the edge milling accuracy is poor, the bevel groove edge milling device comprises an edge milling rack and a mounting rack, and a second mounting rack and a first mounting rack are fixedly mounted on the inner side of the mounting rack; an upper clamping plate is welded to one side of the mounting frame, a positioning frame is welded to the inner side of the upper clamping plate, a driving set and a driven shaft are movably mounted on the inner side of the positioning frame, a transmission frame is slidably connected to the inner side of the positioning frame, a first driving bevel gear rotates in the transmission frame, and first driven bevel gears are arranged on the surfaces of the driven shaft and the driving set; a universal joint is arranged between the two first driving bevel gears, and a milling cutter is installed at one end of the driving set and one end of the driven shaft, the milling cutter connected with one end of the driving set is driven to rotate through conventional driving work of the driving set, and meanwhile when the driving set is driven to work, the milling cutter is driven to rotate. And the first driving bevel gear and the first driven bevel gear which are matched with the driving set can be driven to rotate in a meshed mode.

The invention discloses a horizontal five-axis turning and milling combined machining center, and relates to the technical field of machining equipment.The horizontal five-axis turning and milling combined machining center comprises a workbench, a facing cutter structure is installed on one side of the top of the workbench, and the facing cutter structure and the workbench are fixedly installed through a fixing base; a milling cutter disc structure is installed on one side of the top of the workbench, a cutter machining manipulator structure is installed on the upper portion of the milling cutter disc structure, a main shaft structure is installed on the lower portion of the milling cutter disc structure through the fixing base, and an auxiliary main shaft structure is movably installed on the other side of the top of the workbench. At the moment, the machine tool must completely stop movement of a main shaft and a workbench, an operator needs to dismount a current cutter and then mount a next cutter, so that the actual cutting time of the machine tool is far lower than a theoretical value, and the efficiency of the whole equipment is reduced.

The invention relates to the technical field of machine tool control, in particular to a milling cutter positioning self-adaptive control method and system. Comprising the following steps: synchronously collecting structure state data and external environment parameters of a machine tool in a preset sampling period; based on the structure state data, the external environment parameters and thermal-structure and dynamic physical characteristic parameters of the machine tool, a positioning deviation prediction model is established in a preset look-ahead time window, and the future three-dimensional total positioning deviation of the milling cutter relative to the theoretical track is obtained; and a prospective compensation instruction opposite to the future three-dimensional total positioning deviation is generated according to the future three-dimensional total positioning deviation, and compensation motion of the milling cutter is achieved. The problem that in the prior art, in the long-time operation process of a machine tool, the actual position of a milling cutter deviates from a preset path due to an internal heat source, and an existing thermal error compensation model cannot accurately predict and deal with severe and local thermal shock caused by sudden change of an external environment, so that the machining precision is affected is solved.

The invention relates to the technical field of implant processing, and discloses a processing device and method for efficiently producing implants.The processing device for efficiently producing the implants.The processing device for efficiently producing the implantscomprises a base, driving mechanisms are arranged on the front side and the rear side of the top of the base correspondingly, and a transmission mechanism and a lifting mechanism are arranged on the top of each driving mechanism; the top end of the lifting mechanism is connected with tool handles, a turning tool and a milling tool are arranged in the two tool handles respectively, the transmission mechanism comprises a driving plate, a sealing box, a sealing plate and a piston plate, a push plate is fixedly installed between the driving plate and the sealing plate, and the sealing plate and the piston plate are installed in the sealing box in a sliding and sealing mode. The design is reasonable, dynamic self-adaptive adjustment of clamping force is achieved through linkage of centrifugal force and a hydraulic system, when the rotary drum rotates at a high speed, the balance weight plate moves outwards under the centrifugal effect, hydraulic oil is pushed to enter the sliding groove, the pressure on the sliding plate is increased, and therefore the fastening force of the clamping plate on raw materials is automatically increased.

A surface milling machine for a giant tank, the surface milling machine comprising a lifting frame (1), a lifting assembly (2), two fixing assemblies (3), a tank outer wall moving mechanism (4), a milling cutter positioning and milling mechanism (5) and a level (6), wherein the lifting assembly (2) comprises electromagnets (29), each of which attracts a steel plate (32) on a side of one fixing assembly (3); the milling cutter positioning and milling mechanism (5) is disposed on one of the fixing assemblies (3), and the level (6) is fixedly mounted on the upper surface of the other one of the fixing assemblies (3); and rays emitted by the level can be received by a laser receiver (515) of the milling cutter positioning and milling mechanism (5), and the laser receiver (515) can convert a received laser signal into an electrical signal and transmit the electrical signal to a cabinet. By means of the cooperation of the laser receiver and the level, the surface milling machine for a giant tank realizes control over a servo motor to drive a small milling cutter to move for milling along the upper surface of a giant tank, thereby saving on manufacturing costs of a large milling machine and better adapting to usage on a giant tank; moreover, the level provides accuracy and precision for surface milling.

The invention relates to the technical field of deep hole machining, and provides a multi-axis linkage machining system for drilling and milling the inner wall of a deep hole, which adopts a linear motion device to directly drive a cutter support module, omits a lead screw and other intermediate transmission links, shortens the non-cutting time, has high positioning precision, can improve the machining efficiency, and has lower operation noise and vibration. The processing environment can be improved; according to the workpiece clamping device, a second hollow rotating platform is connected with a chuck, the chuck clamps the workpiece, through program control, the second hollow rotating platform can drive the workpiece on the chuck to rotate and position at any angle, and the requirement for machining the workpiece by a drilling and milling cutter module is met; the problems of time waste, positioning errors and the like caused by secondary clamping are avoided, and the workpiece machining efficiency is improved; a tool bit of the drilling tool module is fed by adopting a variable-diameter structure (a tool bit feeding assembly), and drilling and milling can be carried out on the inner walls of deep hole type workpieces with complex inner hole shapes such as bottleneck holes and stepped holes.

A diamond coating optimization implementation method for a hard and brittle material milling cutter comprises the following steps: according to a determined process environment and a pretreated specific milling cutter, sequentially carrying out a bottom coating orthogonal test to obtain corresponding optimal key control parameters, and carrying out a top coating orthogonal test to obtain corresponding optimal key control parameters; and finally, optimized manufacturing of the diamond coating of the hard and brittle material milling cutter is achieved after fusion. By optimizing the coating structure and the number of dynamic effective abrasive particles, the abrasive particle grinding effect is achieved, it is ensured that machining is conducted below the ductile-brittle transition critical cutting thickness, the abrasion resistance and machining quality of the tool are remarkably improved, and the problems that in the hard and brittle material machining process, the tool is fast in abrasion and poor in surface quality are effectively solved.

The invention discloses a milling cutter workpiece feeding device of a milling cutter welding machine, and relates to the technical field of milling cutter welding. By arranging the rotary table, the multiple milling cutter clamping assemblies and the feeding control assemblies, when the rotary table rotates, each milling cutter clamping assembly can load the milling cutter assemblies to sequentially pass through the feeding control assemblies at multiple positions, and when the milling cutter clamping assemblies meet the feeding control assemblies, the milling cutter assemblies can be loaded on the feeding control assemblies to sequentially pass through the feeding control assemblies at multiple positions; the feeding control assembly can be triggered and control the blade to be automatically assembled to the cutter groove, and after the blade and the cutter groove are assembled, the electric arc welding mechanical arm can be automatically controlled to weld the blade according to a preset program. After one feeding control assembly completes welding, 120-degree overturning can be completed when the feeding control assembly meets the other feeding control assembly, blade welding operation can be automatically conducted on the next cutter groove, and therefore automatic overturning of the milling cutter assembly, automatic assembly of the blade and the cutter groove and automatic switching of the welding position can be achieved; the purpose of automatically welding the milling cutter assembly is achieved.

The invention provides a magnetic wall-climbing milling robot. Comprising a vehicle body, a driving mechanism, a crawler walking mechanism, a welding seam milling mechanism, an adsorption assembly, a line patrol assembly, a scrap blowing assembly and upper and lower wall seats, the driving mechanism is arranged at one end of the vehicle body, and the crawler walking mechanisms are symmetrically arranged on two sides of the vehicle body to drive the vehicle body to walk. Wherein a transmission chain is arranged, a magnet is arranged on the transmission chain, and the vehicle body is adsorbed on the wall surface; the milling mechanism is arranged in the middle of the vehicle body and provided with a milling cutter for welding seam milling along with the vehicle body; the adsorption assembly is an adjustable strong magnet, is arranged at the other end of the vehicle body and has adsorption force to adsorb the vehicle body on the wall surface; the line patrol assemblies are arranged at the front end of the vehicle body and beside the milling cutter correspondingly and used for guaranteeing the line patrol state of the vehicle body and guaranteeing automatic deviation rectification under the condition that a weld bead is dislocated. The scrap blowing assembly is arranged around the milling cutter and used for discharging scraps milled by the milling cutter; the upper and lower wall seats are rubber platforms, can magnetically attract the vehicle body and the cylinder and are used for assembling and disassembling the vehicle body on the surface of the cylinder.

The invention relates to a milling burr (1) for an electrically or pneumatically operated hand-held tool for deburring, shaping, grinding and finishing iron-free surfaces, comprising: - a shank portion (2) and - a milling portion (4) made of a hard metal, in particular tungsten carbide, which adjoins the shank portion (2) and ends in a milling tip (6), wherein the milling portion (4) has a milling length (f) and a plurality of cutting edges (10) which are separated by mutually spaced main flutes (14) which have a main flute depth (h) and extend helically in a first twist direction (16) with a first twist angle (α) along the milling length (f), wherein each of the cutting edges (10) has a rake face (20) and a relief face (24) and a cutting edge (12) at the transition of rake face (20) and relief face (24), forming a rake angle (γ) and a relief angle (δ). The milling burr (1) according to the invention is characterized in that said relief face (24) is a first relief face (24) and said relief angle (δ) is a first relief angle (δ), wherein the first relief face (24) is adjoined in the circumferential direction of the milling portion (4) by a second relief face (26) which extends at a second relief angle (ε), and, in the region of the milling portion (4) with the largest diameter, the first relief angle (δ) is in the range from 6° to 20° and the second relief angle (ε) is in the range from 8° to 30°, and the second relief angle (ε) is greater than the first relief angle (δ). The invention also relates to the use of such a milling burr (1).

The utility model relates to the field of planer type milling machines, in particular to a planer type milling machine capable of quickly changing a cutter, a main shaft box is arranged on a planer type milling machine body, a driving shaft is rotatably arranged at the bottom of the main shaft box, a detachable mounting sleeve is mounted on the driving shaft, and a milling cutter assembly is mounted at the bottom of the mounting sleeve; a plurality of mounting parts used for clamping the mounting sleeves are movably arranged at the bottom of the driving shaft, mounting cavities corresponding to the mounting parts are formed in the mounting sleeves in a matched mode, and mounting sleeves are rotatably arranged on the outer sides of the mounting sleeves. According to the planer type milling machine, the installation sleeve can be assembled on the driving shaft through adaptive clamping between the installation piece and the installation cavity, the assembling mode is rapid and convenient, no external auxiliary tool needs to be used, a user can rapidly replace the milling cutter assembly on the planer type milling machine body, and the planer type milling machine can be conveniently used by the user.

The embodiment of the utility model discloses a deep hole machining combined tool in the technical field of hole machining drilling tools. When a deep hole is machined, the distance between the milling cutter blade and the chamfering cutter blade is adjusted according to the depth of the hole needing to be machined, the position of the chamfering cutter limiting block can be directly adjusted through the arrangement of the scale marks, a measuring tape does not need to be additionally used for measurement, and firstly, the milling cutter blade is fixed to a groove cavity of a first clamping groove through cooperation of a first bolt and a first threaded hole; then a second bolt is matched with a third threaded hole to fix a chamfering blade in a groove cavity of a second clamping groove, then a positioning sliding block is placed in a groove cavity of a first chip removal groove, and after size adjustment is completed, the third bolt is placed in a hole cavity of a first limiting hole and a hole cavity of a second limiting hole, so that the third bolt is screwed into a hole cavity of the second threaded hole; and the position of the positioning sliding block is fixed, so that the chamfer is machined while the deep hole is machined.

The invention relates to the technical field of milling machines, in particular to a milling machine for machining. The milling machine for machining comprises a supporting assembly, a workbench moving assembly, a cutter sliding assembly, a milling cutter assembly, a pretreatment assembly, a removing assembly and an air bag assembly, the milling cutter assembly comprises a protective shell, a milling cutter fixing piece and a milling cutter, the removing assembly comprises an inverted-L-shaped connecting rod and a removing brush, and the air bag assembly comprises a horizontal section and a vertical section. A pretreatment part of the pretreatment assembly is used for conducting roughening pretreatment on materials, the situation that a milling cutter slips when making contact with the materials, and consequently the milling cutter is damaged is prevented, a switching part can automatically switch the low-frequency rotating speed and prevent the milling cutter from being broken when the milling cutter machines the large materials when the large materials need to be machined are large, and a clearing assembly can clean chippings and waste materials; the air bag assembly can be used for blowing away chippings generated during roughening pretreatment and waste generated during milling cutter machining, the milling cutter can be cooled, and the milling cutter is prevented from being damaged due to the too high temperature during working.

The invention discloses a milling cutter for processing a ceramic matrix composite material, a cutting edge comprises a wave-shaped cutting edge and a tooth-shaped cutting edge, the wave-shaped cutting edge and the tooth-shaped cutting edge are positioned on different edge sections and are alternately arranged, the waveform of the wave-shaped cutting edge is a sine curve waveform, and the sine curve waveform is periodically arranged along the axial direction of the milling cutter; chip separating grooves are periodically formed in the tooth-shaped cutting edge in the axial direction of the milling cutter at intervals, and the chip separating grooves correspond to wave crests and wave troughs of the sine curve waveform. The wave-shaped cutting edge is in a sine curve wave shape, so that the length of the cutting edge is increased, the load in unit length is reduced, the machining cutting force is effectively reduced, heat dissipation is accelerated, vibration and deformation are reduced, the tooth-shaped cutting edge is divided by the chip dividing grooves of the tooth-shaped cutting edge, and chip removal and heat dissipation are facilitated while cutting force distribution is optimized; and in the machining process, discontinuous parts are cut through the tooth-shaped cutting edges, machining is conducted through the wave crests or the wave troughs of the wave-shaped cutting edges, and the cutting service life of the cutter is long.

The invention relates to the technical field of surface defect detection, and discloses a liquid lens-based milling cutter defect automatic detection method and system, a computer readable storage medium and a computer program product. The method comprises the following steps: calculating definition evaluation scores of sequence images with different depths of field, drawing a definition evaluation curve, and forming a depth range of a foreground and a farthest view of clear imaging; intercepting part of images in the sequence images with different depths of field in the depth range, aligning and fusing to obtain a full-depth-of-field picture of the milling cutter; and putting into a pre-trained computer vision detection model for detection. According to the milling cutter defect automatic detection method based on the liquid lens, the dynamic focusing capability of the liquid lens is utilized, multi-position and multi-angle imaging is combined, sequence images with different field depths are collected, field depth fusion is carried out to generate a full-field-depth picture, and then defect detection and recognition are carried out by utilizing a computer vision detection model; therefore, the defect detection precision and detection efficiency of the complex-shaped milling cutter are improved.

The invention relates to an automatic milling cutter setting method and system based on machine vision, and belongs to the technical field of milling cutter setting. The method comprises the following steps: firstly, positioning initial position coordinates of a milling cutter, and planning an initial tool setting path of the milling cutter by combining target tool setting position coordinates; then obtaining an image of the milling cutter in the initial cutter setting path, carrying out image denoising and image deblurring processing, carrying out edge detection after obtaining a second image, extracting an edge contour of the milling cutter, calculating sub-pixel coordinates of edge points of the contour, and carrying out parametric fitting to obtain a current milling cutter position and a current milling cutter posture; inputting the initial tool setting path, the wear degree of the milling cutter, the current position of the milling cutter and the posture of the milling cutter into an error prediction model to predict the current motion error of the milling cutter; calculating the path compensation amount according to the current motion error of the milling cutter, and adjusting the tool setting path of the milling cutter according to the compensation amount. The method can reduce the interference of the motion blur of the milling cutter and environmental factors, and realizes the quantitative adjustment and correction of the tool setting of the milling cutter.

The invention relates to a surface topography prediction method based on a ball-end cutter model and a variable step size iterative algorithm, which is based on the ball-end cutter model, combines and applies a dynamic variable time step size strategy, accurately divides cutting and non-cutting tracks, and remarkably improves the simulation efficiency and precision. Through multi-coordinate system dynamic modeling and a specific function, the eccentricity of the ball-end milling cutter is compensated, the abrasion is accurately modeled, dynamic physical coupling is combined, the actual machining state of the ball-end milling cutter is accurately simulated, the simulation precision and authenticity are improved, and the high-precision requirement of aerospace parts can be met. Meanwhile, through modular design, a complex curved surface tool path is accurately simulated, and through adjustment of evaluation parameter threshold values, the method can be expanded to surface topography prediction of various difficult-to-machine materials, process parameters are rapidly iterated, and the process optimization period is greatly shortened.