259 results about "End milling" patented technology

The invention discloses an on-machine measurement assistive device and method for abrasion of a discrete edge end mill. The auxiliary tool comprises a fixing clamp, a worm and gear and rack composite lifting mechanism, a bevel gear driven pivotal bearing mechanism, a camera platform, an industrial camera and a laser gradienter. The fixing clamp comprises a bolt and a gasket; the invention discloses a worm and gear and rack composite lifting mechanism. A bevel gear drives a pivotal bearing mechanism. The measuring method comprises the following steps: vertically lifting and positioning the camera platform by driving the worm and gear mechanism; horizontal rotation positioning of the camera platform is achieved by driving the bevel gear mechanism, the laser gradienter provides position reference, the industrial camera collects cutter abrasion images, and the image processing unit analyzes and processes the collected images and calculates abrasion loss. On-machine real-time monitoring of abrasion of the discrete edge end mill can be achieved, automatic abrasion measurement of chip separating grooves of different heights is completed, frequent manual adjustment is avoided, and the measurement precision and reliability are improved.

The invention relates to a method for predicting force-induced deformation of a titanium alloy thin-wall part in an end milling machining process by considering tool wear, and belongs to the technical field of cutting machining. The method comprises the following steps: firstly, constructing an annular cutter milling thin-wall part overall milling force model considering cutter wear; on the basis, a force-induced deformation model of the material removal effect in the end milling machining process of the thin-walled workpiece is established based on a small deflection deformation theory. The model can correct element stiffness matrixes at different feeding positions after materials are removed in the milling process of the thin-wall part, and rapid extraction of force-induced deformation of the thin-wall part is achieved. Finally, an iterative calculation method is adopted, and accurate prediction of cutting force and machining deformation at different feeding positions in the end milling machining process of the thin-walled workpiece is achieved. According to the method, the influence of cutter abrasion on the milling force when titanium alloy type difficult-to-machine materials are milled is considered, and the force-induced deformation predicted value after cutter abrasion in end milling of the titanium alloy thin-wall part can be accurately obtained.

The invention provides a design method for balancing cutting force between cutting edges of a symmetrical gradually-changing end mill, and relates to the technical field of shape characteristics of milling cutters, through the design of the gradually-changing cutting edges, a truncated edge is evolved into a sharp shape, and multifunctionality from rough machining to finish machining is achieved; the gradual change characteristic remarkably improves the chip breaking effect in the cutting process, tool adhesion is effectively prevented, meanwhile, cutting chip breaking is promoted by thinning cutting chips and reducing the bending rigidity of the cutting chips, in addition, due to the symmetrical design of the odd number of cutting edges and the even number of cutting edges, cutting force is balanced, cutting loads are reduced, abrasion is reduced, and the service life of the tool is prolonged. Further, the machining stability is enhanced, and high-quality surface quality and machining precision are ensured; through deep analysis of cutting force and distribution thereof, vibration is effectively reduced through the design, the stability of the cutter is further improved, the service life of the cutter is further prolonged, meanwhile, the fracture state of cuttings is optimized, and the machining efficiency is improved.

The invention relates to the technical field of machining tools, and discloses a small finish machining ball-end milling cutter which comprises a cutter bar and a ball head which are integrated, a V-shaped groove is formed in the ball head, an upper cutter mounting groove and a lower cutter mounting groove are formed in one face in the V-shaped groove, and an upper blade and a lower blade are mounted in the upper cutter mounting groove and the lower cutter mounting groove correspondingly. An inner cooling spray pipe is arranged in the liquid conveying channel in an up-down sliding mode, a lower liquid discharging opening is formed in the side face of the bottom of the inner cooling spray pipe, an outer liquid discharging opening is formed in the side face of the middle section of the inner cooling spray pipe, and an outer liquid discharging channel is formed in the inner wall of the ball head. The other end of the outer liquid discharge channel is communicated with one side, opposite to the knife mounting groove, in the V-shaped groove; the problems that when a small-sized ball-end milling cutter for finish machining is used for vertical punching, scrap iron is easily flushed into a preset hole by cooling liquid to affect chip removal, and an existing cooling liquid spraying mode does not meet the chip removal requirement during horizontal cutting are solved.

By analyzing the micro-texture of the machined surface, inverse estimation of tool mounting eccentricity is realized on the machine tool. [Solution] Under predetermined workpiece parameters, simulation machining is performed based on multiple parameter sets obtained based on different tool parameters, tool attitude parameter settings, and cutting parameters, and the surface shape after machining for each parameter set is obtained. An optimization variable set is constructed based on each parameter set, and the optimization variable set when waviness is most sensitive to changes in tool mounting eccentricity is determined. The tool mounting eccentricity during machining of the workpiece sample is calculated using the constructed relationship between the tool mounting error and the peak-to-peak value of waviness. If the tool mounting eccentricity exceeds the predetermined value, the bull nose end mill is reattached and the workpiece sample is replaced so that the workpiece can be actually machined, and this calculation of tool mounting eccentricity is repeated until the tool mounting eccentricity becomes smaller than the predetermined value.

The utility model relates to synchronous cross operation control over transverse station connection, rail piece flash processing and heel end rail bottom milling of special-shaped steel rails, in particular to a multi-station rail piece connection system for flash processing after forging of steel rails, which can be used for intelligent manufacturing of turnouts. The whole transverse station mainly comprises a feeding and storing area, a feeding and overturning area, a waiting area, a machining area, an inspection area, a discharging and overturning area and a discharging and collecting and storing area. The material waiting area has the double functions of material taking, material placing and material waiting for heel end milling rail pieces and material waiting for flash machining at the same time, so that rail piece feeding connection of rail bottom milling and transition section flash machining is achieved. The connecting vehicle body can move in the transverse area of the whole flash machining production line in a through mode and can transversely penetrate through seven transverse station areas. The connecting system is mainly composed of a ground rail unit, an advancing power set, a vehicle body frame, a rail piece inverted supporting body and a height oil cylinder set.

The invention relates to the technical field of numerical control machining, and discloses an end mill tool bit parameter optimization method which comprises the following steps: step 1, collecting cutting force data, cutting temperature data and machining vibration data in a machining process in real time through a sensor group integrated on an end mill tool bit; the sensor group comprises a strain sensor, a temperature sensor and a vibration sensor; 2, the collected cutting force data, cutting temperature data and machining vibration data are subjected to wireless processing; according to the technical scheme, a closed-loop control system is constructed, the feeding speed, the cutting angle and the cutting depth are automatically adjusted according to dynamically-changed cutting force and vibration data, it is ensured that the machining process is always kept within a stable interval, the machining precision and the surface quality of a workpiece are effectively improved, and the machining efficiency is improved. Compared with the technical scheme that fixed preset parameters are adopted for machining in the prior art, the defect that the precision and quality of the workpiece are finally damaged due to process instability caused by the fact that adaptive adjustment cannot be achieved is overcome.

The application discloses a kind of head crescent boss processing methods of pin shaft structure bite cutting forceps, comprising the following steps: (1) the head of bite cutting bite cutting forceps is aged hardening;(2) the lower forceps tube of bite cutting forceps is clamped on five-axis engraving machine;(3) whether workpiece clamping on tool is in place is detected;(4) detection end mill, run program, carry out roughing to blank;(5) detection T-shaped milling cutter I, the wear condition of tool is detected in machine using tool detector, whether tool wear exceeds limit value is judged, if exceeding tool wear, machine tool automatically alarms, prompts operator to replace tool;(6) run program, outer circular surface is processed using T-shaped milling cutter I, (7) tool is replaced for T-shaped milling cutter II, T-shaped milling cutter II is detected again, and detection steps are as in step (5);(8) run program, inner circular surface is processed using T-shaped milling cutter II.The method can be processed crescent structure at a time, guarantee processing efficiency, precision and stability.

A multi-sensor integrated intelligent tool holder real-time monitoring and anti-collision system, comprising: an intelligent tool holder device, an external PLC controller, a built-in relay, a numerical control machine tool and a PC signal processing and display module; the intelligent tool holder device comprises: a handle cone structure, a force sensor structure, a resistance strain gauge group, a protective shell, a plurality of supporting copper columns, a first hardware circuit board, a second hardware circuit board, a vibration sensor, a lithium battery, a fixed upper shell, a fixed bottom shell, a draw stud, a clasp spring, a compression cap and an end mill. The application is based on the collected cutting signals for real-time analysis and rapid judgment and response, is not affected by the machining environment and the shape and size of the workpiece, is accurate in measurement, greatly reduces the influence of the external sensor arrangement distance on the cutting data accuracy, and is suitable for the monitoring of cutting force and vibration and the anti-collision monitoring link in the part machining process, and improves the cutting automation, intelligence and safety level.

The invention relates to the technical field of milling cutters, in particular to a welded integral PCD spiral-edge milling cutter. The welded integral PCD helical blade milling cutter comprises a hard alloy cutter body, and first PCD cutter bits and second PCD cutter bits which are welded on the hard alloy cutter body, the two first PCD cutter bits are provided with first helical cutting blades, the two first PCD cutter bits are distributed in a central symmetry manner relative to the rotation center of the hard alloy cutter body, and the second PCD cutter bits penetrate through the hard alloy cutter body and are provided with second helical cutting blades. The second PCD tool bit is provided with two second spiral cutting edges which penetrate through the rotation center and are distributed in a central symmetry mode with respect to the rotation center. Each of the first spiral cutting edge and the second spiral cutting edge comprises a side milling edge part for side milling and an end milling edge part for end milling; a spiral chip containing groove is formed in the portion, beside each PCD tool bit, of the hard alloy tool body. The technical problems that a traditional spiral-edge milling cutter is high in abrasion speed and low in machining efficiency can be solved.

The present invention discloses an intelligent double-head end milling and working method, which has more accurate positioning and is convenient for the loading mechanism to place profiles; the action of the robot to pick up materials is eliminated, and the time for picking up and placing materials is shortened; the technical solution includes: a frame, a left milling device, a right milling device, a picking mechanism and a loading mechanism; the left milling device and the right milling device are slidably arranged above the frame, and an electric control unit is also arranged at the end of the frame, and a touch display screen is arranged on the electric control unit; the picking mechanism and the loading mechanism are arranged on the mounting seat on the same side of the frame; the loading mechanism is composed of a six-axis robot and a first gripper; the picking mechanism is composed of a fixed bracket, a vertical bracket, a horizontal bracket and a second gripper; the fixed bracket is fixedly installed on the mounting seat, a vertical guide rail is arranged between the fixed bracket and the vertical bracket, a horizontal guide rail is arranged between the top of the vertical bracket and the horizontal bracket, and a second gripper is arranged on the horizontal bracket.

The utility model relates to the technical field of end milling cutter edge grinding inspection, and discloses an inspection device for end milling cutter edge grinding, which comprises a device main body, the outer surface of the upper end of the device main body is fixedly connected with a device top cover, and the outer surface of the upper end of the device main body is rotatably connected with a fixed base. A storage cabinet is fixedly connected to the outer surface of the lower end of the device top cover, a first clamping plate is slidably connected to the outer surface of the lower end of the device top cover, and when the device is used, adjustment can be conducted through an arranged limiting arc-shaped plate according to the size of an end mill, so that the end mill is fixed; wherein the anti-skid gasket and the anti-skid base are made of rubber materials, good anti-skid performance is achieved, the end mill can be stably fixed to the upper portion of the fixed base, the first reinforcing plate and the second reinforcing plate serve as reinforcing parts to be fixed to the two sides of the end mill, the bandage penetrates through the second clamping plate to be reinforced, and the placing stability of the end mill is improved.

The utility model belongs to the technical field of cutters, and discloses an end mill, which is characterized in that bottom blades are distributed on a revolution surface formed by rotation of a 1 / 4 ellipse around a central axis of a cutting part, so that a tool cutting edge angle is gradually and slowly increased in the direction from the center of the end mill to the periphery of the end mill, and one end, connected with a circumferential blade, of each bottom blade can also be used for cutting. And under the same cutting depth, cuttings become thinner and longer, and the thinning cutting effect is better during fast feeding, so that the machining efficiency of difficult-to-machine materials such as titanium alloy and high-temperature alloy is improved. The end, connected with the circumferential edge, of the bottom edge is used for increasing the maximum cutting depth after cutting, and the front angle corresponding to the bottom edge is gradually increased in the radial direction, away from the central axis of the cutting part, of the cutting part, so that the end, close to the circumferential edge, of the bottom edge is sharper, cutting resistance is reduced, cutting force and cutting heat are reduced, and the wear resistance of the cutter is improved; and the service life of the cutter is prolonged.

The utility model relates to the technical field of aluminum alloy door and window machining, in particular to a numerical control end face milling machine for aluminum alloy door and window machining, which comprises a base, a worktable mounted at the top of the base, and a to-be-machined object body placed at the top of the worktable. A positioning plate used for positioning an object body is installed on one side of the workbench, an L-shaped rod used for pushing the object body is installed on the side, away from the positioning plate, of the workbench, first driving assemblies used for driving the workbench to move are installed in the base and the workbench correspondingly, and a clamping assembly used for clamping the object body is installed in the workbench. The numerical control end face milling machine for aluminum alloy door and window machining has the advantages that automatic accurate positioning and efficient clamping are achieved, the cutting work space is optimized, and linkage driving is achieved to reduce energy consumption and cost.

This invention provides a method and system for planning the attitude of a ball-end milling cutter in a five-DOF hybrid robot, comprising: Step S1: acquiring tool information and surface information of the machining component on the ball-end milling cutter, and establishing a local coordinate system for each tool contact point; Step S2: establishing a global path smoothness performance index and an effective tool diameter performance index for the hybrid robot tool; Step S3: based on the tool information, establishing a constrained optimization model with the weighted sum of the global path smoothness performance index and the effective tool diameter performance index as the optimization objective; generating and simplifying the feasible region of the tool axis direction for each tool contact point according to the constraint conditions; Step S4: optimizing the tool axis direction path according to the constraint model and the feasible region of the tool axis direction for each tool contact point, and outputting the machining path of the five-DOF hybrid robot tool. The method and system provided by this invention can maintain a large effective tool diameter and make the effective tool diameter change smoothly, thereby improving machining efficiency.

The invention relates to the technical field of numerical control machining error compensation, and discloses a ball-end milling cutter contour error compensation method and device, a medium and equipment, and the method comprises the steps: obtaining contour error values between actual cutter contours and theoretical cutter contours of a ball-end milling cutter in a plurality of spatial orientations; an original cutter location file generated based on the theoretical cutter contour is obtained, and the original cutter location file comprises cutter location points and cutting contact points; based on the contour error value, a tool contour error compensation model with the normal direction of the cutting contact point as the compensation direction is established; and correcting the cutter location point coordinates of the cutter location points by using the cutter contour error compensation model to generate a compensated cutter location data file. According to the method, point-by-point compensation is carried out in the normal direction of the cutting contact point based on the multi-azimuth actual measurement contour error, and high-precision and space self-adaptive 3D cutter radius compensation is achieved.

This application provides a dynamic tool setting device and method for diamond micro-end milling cutters, relating to the field of precision and ultra-precision machining technology. The method includes the following steps: acquiring a time-series pulse sequence of time-division multiplexing images; and performing tool setting detection on the diamond micro-end milling cutter based on the time-series pulses. This application utilizes the diffraction interference imaging principle of diamond micro-end milling cutters under coaxial laser illumination, employing object-side telecentric vision imaging to ensure a fixed holographic image magnification and microscopic imaging accuracy. By setting the camera trigger acquisition pulse through an external trigger controller via a host computer, the rotating image of the diamond micro-end milling cutter is sampled in a time-division multiplexing manner, achieving full-contour holographic imaging of the diamond micro-end milling cutter under rotating conditions. Simultaneously, by designing a downsampling holographic autofocus algorithm in holographic image processing, the computational load for image holographic reconstruction is reduced, accelerating the tool setting calculation efficiency and providing high-precision tool setting technology support for ultra-precision micro-milling.

The utility model belongs to aluminium -plastic door and window production and processing equipment field relates to a kind of sawing device of improving aluminium -plastic door and window section bar cutting efficiency, including base, upper portal frame ram swing angle cutting device, lower portal frame ram swing angle cutting device, opposed four main shaft end milling device, the upper portal frame ram swing angle cutting device includes upper vertical saw blade, the lower portal frame ram swing angle cutting device includes lower vertical saw blade, and the opposed four main shaft end milling device includes horizontal saw blade. The utility model is provided with the upper vertical saw blade and lower vertical saw blade of independent movement, cooperate with four horizontal saw blade, can be cut off in the mode of completion tenon mouth, so the utility model cutting frequency is less, compared to multiple milling to mill tenon mouth, the working mode efficiency of the utility model is higher.

The present invention relates to a left-hand rotating end mill (1) with a shank (10) and a cutting head (20) having a number of left-hand spiral cutting edges (50) spaced apart from one another by flutes (30), wherein the cutting edges (50) are divided into cutting edge segments (60) at least over a portion of their length by a number of right-hand spiral dividing grooves (40). The cutting head (20) is divided into a shank-side cutting step (22) and an end-side cutting step (24) adjoining the shank-side cutting step (22) via a transition section (23), the end-side cutting step having a smaller cutting diameter than the shank-side cutting step (22).

The invention relates to a high-wear-resistance coating for a diamond straight-shank end mill and a preparation method of the high-wear-resistance coating, and belongs to the technical field of wear-resistance coatings. According to the high-wear-resistance coating for the straight-shank end mill of the diamond and the preparation method of the high-wear-resistance coating for the straight-shank end mill of the diamond, the thickening agent is self-made, after the thickening agent, titanium powder, silicon powder and silver-copper alloy powder are made into brazing filler metal, the straight-shank end mill base body of the diamond is brazed, and the high-wear-resistance coating for the straight-shank end mill of the diamond is obtained; an alkyl hydrophobic long chain improves the wetting effect of the brazing filler metal on the surface of a base body by reducing surface tension, in addition, azo bonds in the long chain are preferentially broken in the brazing process and decomposed into small molecule compounds, then the small molecule compounds are gradually and completely decomposed, metal powder in the brazing filler metal can be directly combined with the surface of the base body, and a firm alloy coating is formed; the wear resistance and the comprehensive service life of the diamond straight-shank end mill are improved.

The utility model discloses a hard alloy spiral straight shank end milling cutter which comprises a cutter body and a cutter holder, the cutter body is fixedly arranged on the cutter holder, the cutter holder is provided with a liquid storage cavity, the liquid storage cavity is of an annular columnar structure, the end, close to a mounting seat, of the liquid storage cavity penetrates through the cutter holder, and the cutter body is provided with a plurality of first liquid storage grooves communicated with the liquid storage cavity. The multiple first liquid storage grooves are each provided with a second liquid storage groove, the second liquid storage grooves are distributed in the two sides of the first liquid storage grooves, an installation base is arranged on one side of the tool apron, an installation block is fixedly arranged on one side of the installation base, an installation assembly connected with the installation block is arranged on the outer wall of the tool apron, the installation assembly comprises a fastening bolt and an installation groove, and the installation groove is formed in the side end of the tool apron. Cooling liquid flows into the first liquid storage grooves through the liquid storage cavity to cool the cutter body, meanwhile, the cooling liquid in the first liquid storage grooves can flow into the second liquid storage grooves in the two sides, the contact area between the cooling liquid and the cutter body is increased, the cooling effect on the cutter body is improved, and the service life of the cutter body is prolonged.

The invention provides a ball-end milling cutter milling force modeling method and device, relates to the technical field of numerical control machining, and is used for solving the technical problem that the milling force is difficult to accurately predict by an existing milling force modeling method. The method comprises the following steps: constructing a single fiber milling force model of the thermoplastic composite material; according to the single fiber milling force model, constructing macroscopic milling force models corresponding to different areas of the ball-end milling cutter; constructing a target infinitesimal milling resultant force model of any point on the ball-end milling cutter according to the macroscopic milling force models corresponding to different areas of the ball-end milling cutter; and according to the target infinitesimal milling resultant force model of any point on the ball-end milling cutter, summing the target infinitesimal milling resultant forces of all points on the milling area of the ball-end milling cutter, and constructing an overall milling force prediction model of the ball-end milling cutter. Therefore, the invention provides an integral milling force prediction model which starts from a milling mechanism and reveals the change rule of the milling force based on the milling nature, so that the accuracy of predicting the milling force is greatly improved.

This invention discloses a method for solving the grinding trajectory of helical grooves in a conical end mill. Specifically, the method involves: first, defining the process characteristics of the helical groove, including modeling the tool's helical cutting edge, defining tool parameters, and modeling the grinding wheel's grinding motion; second, establishing the solution equation for the grinding wheel's pose based on the tool parameters; and finally, using a particle swarm optimization algorithm to solve for the grinding wheel's pose. This invention can be effectively used for machining helical grooves, simultaneously meeting the machining accuracy requirements of the rake angle and core diameter, and providing a theoretical reference for the actual production and machining of cutting tools.

The invention provides a milling method. The milling method comprises the following steps: mounting a milling cutter on a milling machine; drawing a starting point line and a finishing point line in the to-be-processed area, and establishing a starting surface and a finishing surface; a guide face is arranged in the to-be-machined area, the guide face and the starting face intersect at a cutter feeding line, and the guide face and the ending face intersect at a cutter discharging line; milling along the progress path; milling along the return path; and repeating the steps until the processing is finished. According to the technical scheme, the layered milling process and the plunge milling process are combined, the moving path of the milling cutter is circuitously folded in the depth direction of the workpiece, on one hand, the edge of the end milling cutter is fully utilized, and the machining efficiency is improved; on the other hand, the cutting stress of the workpiece is dispersed to other layers and other faults of the to-be-machined area of the workpiece, the stress layering concentration risk is reduced, and the cutting machining quality is improved; in addition, the moving path of the milling cutter is not limited to reciprocating detour along a straight line, and the application range of milling machining can be expanded.

The invention belongs to the field of end mill preparation, and particularly relates to a preparation method of a beta-Si3N4 oriented and orderly-arranged silicon nitride ceramic integral end mill. A horizontal sintering mold is filled with the silicon nitride-based mixed powder, the filled powder is in a long-axis shape in the sintering mold, SPS sintering is carried out, the sintering pressure acts on the long-axis direction of the powder during sintering, beta-Si3N4 crystal grains are directionally arranged in the long-axis direction in the sintering process, and a ceramic matrix with an ordered microstructure is formed; and the ceramic substrate is prepared into a vertical milling cutter, and the high-wear-resistance prismatic surface of the crystal grains is parallel to the main cutting force direction in the cutting process. The method successfully breaks through the size limitation of the integral end mill prepared by traditional SPS, and remarkably improves the tipping resistance and the service life of the silicon nitride ceramic cutter.

The utility model discloses an alloy spiral end mill for processing an aerospace impeller, which comprises a base, a transmission rod, an alloy spiral end mill, an indexing mechanism and a feeding mechanism, and the transmission rod is rotationally connected onto the base. The alloy spiral end mill has the beneficial effects that the transposition mechanism and the feeding mechanism are arranged, so that the alloy spiral end mill can slide in a limited manner in a feeding chute through a feeding rod in the feeding mechanism in the process of machining a workpiece, further a feeding adjusting rod is driven to slide, and a transmission rod is pushed to move through a linkage plate; according to the alloy spiral end mill feeding device, feeding operation of an alloy spiral end mill on a workpiece is achieved, a transmission rod is made to deflect through linkage of a transposition plate in a transposition sliding groove in the transposition mechanism during feeding, transposition of the alloy spiral end mill is achieved, end teeth of the alloy spiral end mill can make uniform contact with the workpiece, and the machining precision of the alloy spiral end mill is improved. And the situation that the machining precision is affected due to end tooth breakage is avoided.

The invention discloses an integrated processing path generation method for a triangular mesh curved surface, and the method comprises the steps: determining an optimal clamping direction through two-stage clustering based on the direction of an outer normal of the surface of a triangular mesh model, selecting an optimal class cluster through a k-means clustering normal vector in combination with a feature evaluation function, and determining a model base according to height secondary clustering; the shoal and the steep area are divided according to a preset boundary angle, small-area isolated shoal sub-areas are deleted, and holes in the shoal are processed through boundary expansion; constructing a GPU parallel acceleration collision detection model, and obtaining a feasible machining direction set of each point for the geometric structure of the ball end milling cutter; a cutting path section is generated based on a section plane method, a section plane normal vector is optimized and determined in a shoal area, and a steep area follows a clamping direction; generating an optimal cutter lifting fast moving line by combining a path section endpoint feasible direction domain and a traveling salesman problem optimization algorithm; and carrying out adaptive path encryption by adopting geometric projection dynamic interval adjustment to ensure that a preset residual height constraint is met.

The present invention discloses a bimetallic milling cutter wear monitoring method and system that considers differences in material properties. The method relates to the technical field of bimetallic material processing. The method comprises: real-time acquisition of the milling force and vibration signals of the bimetallic end mill during the milling process; inputting the acquired milling force and vibration signals into an unsupervised material recognition model, and after feature extraction and feature dimensionality reduction, clustering and outputting the metal material category of the current signal; inputting the acquired milling force, vibration signal, and corresponding metal material category into a physics-guided neural network model based on wear mechanism, and outputting the flank wear value of the bimetallic end mill. The present invention considers the differences between the two metal materials and introduces wear mechanism guidance. Through wear physics-data fusion monitoring, a monitoring model with higher accuracy and better robustness is obtained, effectively improving the accuracy of tool flank wear value monitoring in bimetallic end milling scenarios.

The application discloses a kind of flat bottom end face milling cutter tool shaft vector optimization method, tool shaft vector optimization is considered from processing interference, cutting force, rotation axis angular displacement and angular velocity etc. Multiple factors comprehensively. First, the improved space partition tool shaft vector global interference detection method based on surface principle is proposed, whether the interference detection algorithm is used to judge tool to occur processing interference and carry out interference-free tool shaft vector space calculation;Second, the relationship model of end milling cutter tool shaft vector and cutting force change is established, and the tool shaft vector optimization is carried out with the tool cutting force optimization as the target;Third, using Dijkstra algorithm, an optimal path algorithm-based machine tool rotation axis angular displacement and angular velocity optimization model is proposed;Using the optimization algorithm for complex surface machining, the machining quality of the surface workpiece after tool shaft vector optimization is obviously improved compared with that before tool shaft vector optimization.