53 results about "Cutter location" patented technology

The invention discloses a free-form surface three-axis ball-end cutter equal approximation error finish machining tool path generation method which comprises the following steps: firstly, importing a free-form surface model to be machined, and setting data such as the radius, the line spacing, the approximation error maximum allowable value and the precision of a ball-end cutter; secondly, a group of section planes are planned according to the row spacing to intersect with the curved surface, the intersecting line serves as a cutter contact curve, and an equal-bow-height-error cutter contact iterative search method for driving cutter contact adjustment through the geometric distance is provided for the cutter contact curve on the section planes; the maximum distance between a cutter cutting envelope surface and a cutter contact track line is used as an approximation error, and an adaptive discrete method is adopted to carry out approximation error calculation; and finally, the cutter location points of the equal-bow-height-error cutter contact points serve as initial values, an equal-error cutter location point calculation method of step length self-adaptive adjustment iteration is provided, approximation errors between the cutter location points are all within an allowable range, and therefore the free-form surface three-axis ball-end cutter equal approximation error finish machining cutter path is obtained.

The invention discloses a numerical control machining track fairing optimization and interpolation method and device, and the method comprises the steps: obtaining N to-be-fairing points based on a plurality of preset original cutter location points of a numerical control machine tool, generating a transition curve Cn (tau) at each to-be-fairing point based on a cubic B-spline method, obtaining a speed upper limit of each transition curve at a point with the maximum curvature, splicing all the linear tool paths and the N transition curves into a tool mixed track, performing speed planning under the constraint of N speed upper limits by adopting a forward and reverse speed extreme value scanning method and a seven-section S-shaped speed planning method to obtain a speed curve with continuous acceleration, and performing interpolation calculation on the mixed track according to the speed curve to obtain a tool mixed track; in each interpolation period, a 4-order explicit Adams method of a correction pre-estimation-correction mode is adopted to solve the d [tau], a curve parameter value [tau] is substituted into Cn ([tau]) to obtain an interpolation point, the consistency of transverse speed is considered in speed planning, the interpolation mode is high in efficiency and accuracy, and the numerical control machining efficiency is improved while the numerical control machining quality is guaranteed.

The invention belongs to the related technical field of robot machining deformation optimization, and discloses a redundant angle and process parameter joint optimization method and device for complex curved surface robot machining, and the method comprises the steps: (1) forming a multi-domain composite constraint by a joint movement limit constraint, a pose singularity constraint and a machining deformation error constraint corresponding to a robot machining system; carrying out fusion modeling in the redundant angular space based on multi-domain composite constraints so as to map constraints of different dimensions in different spaces into a unified fusion potential field; (2) establishing a kinetic equation taking a virtual torque generated by the fusion potential field as driving input, sequentially solving based on the obtained kinetic equation and a numerical solution method to obtain a redundant angle of each cutter location point, and then obtaining a continuous and smooth redundant angle track; and (3) based on the obtained redundant angular trajectory, performing iterative solution on the optimization model by using an optimization algorithm to obtain an optimal processing parameter combination. According to the method, collaborative optimization of the process parameters and the redundant corners is realized.

The invention discloses a thin-wall structure milling residual stress three-dimensional distribution calculation method considering elastic deformation. The method comprises the following steps that 1, a ball-end milling cutter multi-axis milling mechanical model is constructed; 2, the actual milling depth of the titanium alloy thin-wall structure on different cutter location points on the cutter path line is obtained; 3, constructing a gradient distribution prediction model of the residual stress of the multi-axis milling titanium alloy, and predicting a prediction model coefficient of any group of milling process parameters through an RBF neural network; wherein the milling depth is the actual milling depth obtained in the step 2; 4, predicting the prediction model coefficients of different cutter location points of the titanium alloy thin-wall structure one by one; and a three-dimensional distribution model of the milling residual stress of the thin-wall structure considering the elastic deformation is obtained through a multiple linear regression method. According to the method, the problem of poor residual stress prediction precision of the titanium alloy complex thin-wall structure under the condition of elastic deformation during processing is solved.

The invention discloses a hard and brittle material curved surface grinding preparation method, a product, a medium and equipment, and relates to the technical field of ultra-precision machining.The method comprises the steps that a geometric model of a hard and brittle material curved surface to be machined and an error value in the grinding preparation process are obtained; determining a three-dimensional coordinate of a cutter location contact in the grinding cutter path based on the geometric model; determining a rigid body transformation matrix by adopting a spinor theory according to structural parameters of a grinding preparation machine tool; obtaining an ideal grinding motion model of the machine tool based on the three-dimensional coordinates and the rigid body transformation matrix; compensating the ideal grinding motion model according to the error value of the grinding preparation process to obtain a compensated grinding motion model; and finishing the preparation of the hard and brittle curved surface by adopting the compensated grinding motion model. According to the hard and brittle material curved surface grinding preparation method, the product, the medium and the equipment, the machining efficiency and the machining quality of the hard and brittle material curved surface can be effectively improved.

The invention discloses a post-processing method of a five-axis double-swing-angle machine tool based on a C axis, which comprises the following steps of: determining a conversion matrix from a tool coordinate system to a workpiece coordinate system according to positions and vector directions of a tool and a workpiece corresponding to a machine tool form; according to the coordinate transformation matrix, constructing a kinematics model of the machine tool in the corresponding form; according to the kinematic model, the movement distance of each movement axis of the machine tool under the condition that the RTCP compensation exists or not is solved; the swing angle of the fifth shaft is determined according to the included angle between the cutter swing length vector in the cutter location file and the corresponding projection; according to the value of the swing angle of the fifth shaft, the rotation angle of the C shaft is calculated; and according to the rotation angles of the fifth axis and the C axis, the fifth axis swing direction of the first cutter contact in the machining track is obtained through calculation in combination with a kinematic model. According to the technical scheme, the problem that the stroke of the C shaft is too large due to the fact that the fifth shaft of an existing machine tool only swings in a single direction is solved, the machining efficiency of the machine tool is improved, and the service life of the swing angle milling head is prolonged.

The invention relates to an electric cabinet metal plate milling device which comprises a machine tool and a vacuum adsorption carrying table assembly of the machine tool. The assembly comprises an adsorption platform deck, a base and an integrated valve terminal, a negative pressure through hole in the adsorption platform deck is divided into a negative pressure concentration area and a central adsorption area, the bottom is connected with the integrated valve terminal through a pipe joint, and a proximity sensor is arranged on the outer side. Suction force of different areas is subjected to partition management through the integrated valve terminal, and the adsorption force can be dynamically adjusted according to the position of the milling cutter. When the milling cutter approaches, the valve opening degree of the corresponding area is adjusted through the integrated valve terminal, reasonable distribution of suction force is achieved, and the suction requirement of the milling cutter during machining at different positions of a thin plate can be met even if the total suction force is constant. In addition, a chip blowing mechanism is further arranged, chips can be blown away, false alarm of the sensor is prevented, machining reliability and efficiency are ensured, and the milling quality of the electric cabinet thin plate with the thickness being 1 mm is improved.

The invention relates to a plate three-point incremental forming track designing and forming method. The method comprises the following steps that S100, a two-point incremental forming track is generated according to a three-dimensional model of a target part; s200, the track is divided into two areas, the two parts of the track are achieved through two forming tools (2 and 3) respectively, and the connecting line of cutter location points of the two forming tools at the same moment always passes through the same central symmetry axis; s300, a simple support (7) is installed, the periphery of the plate (8) is clamped, a forming tool is installed, and tool setting is conducted; s400, pre-stretching is applied to the plate, and then the two execution tail ends of the machining equipment are made to run according to the tracks of the two forming tools correspondingly to machine the plate; and S500, after machining is completed, the clamping force is removed, and the formed workpiece is taken down. Three-point constraint is formed on the plate through the simple support and the two forming tools, the overall deflection and shaking of the plate during forming are remarkably reduced, and then the geometric accuracy of a final part is improved.

The invention relates to the technical field of numerical control system information processing, in particular to a curved surface numerical control machining information extraction method and device based on B-spline curved surface refactor.The method comprises the steps that after three-dimensional space position information of a curved surface machining cutter location point is obtained, cutter location point parameterization is carried out to determine B-spline curved surface parameters of a cutter positioning curved surface; determining a precision index according to the sum of squares of deviations of all cutter location points and the cutter positioning curved surface to calculate a regression matrix, determining a fairing energy index to calculate a fairing energy matrix, combining the two indexes to determine a comprehensive index, generating a curved surface reconstruction problem, solving the problem to obtain a reconstruction structure, and extracting curved surface numerical control machining information. Therefore, the problem that in the related technology, when a curved surface reconstruction algorithm processes disordered spatial discrete cutter location points, the requirements for rapidity, fairness and precision are generally difficult to consider is solved.

The invention discloses a blade root area five-axis numerical control machining interference-free smoothing tool path generation method. The method comprises the following steps: firstly, importing a to-be-processed blade root curved surface model, setting a processing cutter, and approaching parameter information such as an error maximum allowable value, minimum iteration times and row spacing; planning a cutter contact point trajectory according to the row spacing, obtaining discrete cutter contact points for the cutter contact point trajectory by an isoparametric method, and calculating an initial cutter location point and a cutter axis vector of the cutter contact points; a C (Configuration) space and a cutter shaft space are established for each cutter contact, a detection area is determined by projecting the cutter attitude in the cutter shaft space in the line spacing direction, a calculation method for cutter attitude interference detection and interference correction is provided, and the non-interference cutter shaft space of all the cutter contacts is calculated; and iteratively searching non-interference cutter shaft spaces of the cutter contacts on the two sides with the minimum angle change to obtain the smoothing cutter paths of different initial cutter shafts, and comparing the angle variance values of the smoothing cutter paths to obtain the non-interference smoothing cutter path.

The invention relates to the technical field of robot grinding and polishing machining, in particular to a grinding and polishing path planning method and simulation system for a six-axis robot. Solving a target attitude coordinate system of each cutter location point of the robot end effector in the cutter path; obtaining a target attitude matrix from the previous cutter location point to the next cutter location point according to the target attitude coordinate systems of the two adjacent cutter location points, and obtaining all feasible solutions of the robot joint angle of the next cutter location point by using an inverse kinematics solver; all feasible solutions of the robot joint angle of each cutter location point are screened according to the solution selection fields, and an optimal solution is obtained; and outputting a grinding and polishing motion program of the robot according to the optimal solution of the robot joint angle of each cutter location point in the cutter path. According to the method, the singular solution problem caused by redundant degrees of freedom is solved, and the simulation precision and the machining efficiency of the robot can be improved.

The invention discloses a four-axis compensation machining method under a workpiece offset clamping state, which comprises the following steps of: modeling a kinematic chain of a rotary table type four-axis machine tool to obtain a motion transformation equation between a coordinate axis of the four-axis machine tool and a cutter location under a workpiece non-offset clamping state; modeling a kinematic chain of the four-axis machine tool in the workpiece offset clamping state to obtain a general cutter spacing compensation calculation formula in the workpiece offset clamping state; and according to the obtained cutter spacing compensation calculation formula, a general numerical control machining program under the actual working condition is written. A cutter location source file generated by CAM software is processed, a numerical control machining program with a macro variable is obtained, and precise machining of a workpiece in an offset clamping state is achieved. Precise machining under the non-collinear state of the zero point of the workpiece and the rotary shaft of the rotary table can be achieved, the operation difficulty is lowered, the product clamping and aligning time is shortened, and the production efficiency is improved.

The invention relates to the technical field of machining, in particular to an integral impeller machining method, device and equipment based on a five-axis machining center, and the method comprises the steps: obtaining cutter location data of a starting cutter location point and an ending cutter location point of an interpolation path section according to geometric features of an impeller model, the time interval between the starting cutter location point and the ending cutter location point is determined; randomly generating a plurality of interpolation matrixes, and constructing a judgment matrix corresponding to each interpolation matrix; obtaining each effective interpolation matrix; the overall non-smoothness, the interpolation anomaly, the cutter location point optimization weight and the interpolation self-adaption degree of each column in each effective interpolation matrix are obtained; iteration is conducted on the interpolation matrix through an optimization algorithm, an optimal interpolation matrix is obtained, and the integral impeller is machined. According to the machining method, the change speed of the cutting tool in the machining process can be smooth, shaking of the cutting tool is effectively reduced, and the machining quality of the integral impeller is improved.

The invention belongs to the technical field of intelligent machining, and provides a control method, device and equipment for additive and subtractive repair of a valve body and a storage medium. According to the embodiment of the invention, a workpiece model corresponding to the valve body is obtained, and a reference coordinate system of the valve body is constructed; acquiring cutter location point information corresponding to the defect area under the reference coordinate system; on the basis of the actual installation posture of a target repairing tool located on an executing mechanism, posture calibration is conducted on a repairing tool model corresponding to the target repairing tool in the simulation environment, and the target repairing tool comprises an additive repairing tool or a subtractive repairing tool; based on the cutter location point information and the calibrated repair tool model, the motion trail of the execution mechanism; and performing additive and subtractive material repair based on a processing track program of the motion track. The embodiment of the invention can shorten the repair period of the valve body and reduce the repair cost of the valve body.

The invention discloses a multi-axis linkage metal polishing path intelligent planning dynamic correction method and system, and relates to the technical field of polishing path intelligent planning, and the method comprises the steps: determining a plurality of initial cutter contact lines based on a D-P algorithm, and determining corresponding polishing process parameters and curvature radiuses through the data analysis of each cutter contact point on each initial cutter contact line; dividing region types and respectively calculating a proportion parameter and an effective radius; then determining the specific number of the cutter contact line segments by analyzing the proportion parameter and the effective radius of each local cutter contact line segment, and optimizing a final cutter contact line set by combining with the effective coverage area; and finally, on the basis of the final cutter contact line set, determining a cutter contact point set and an initial line spacing, calculating an actual offset distance by utilizing an eccentric compensation coefficient, generating a polishing cutter location point, and generating a smooth polishing path through a fitting algorithm, so that not only can the precise positioning of local cutter contact line segments be realized, but also the polishing precision is improved. And dynamic correction in the multi-axis linkage metal polishing process is achieved, and the polishing efficiency is optimized.

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.

Postprocessor device (22) outputting a machining program for controlling a CNC machine tool (30), comprising: a characteristic shape recognition unit (222) for reading information about a characteristic shape to be machined from CL data (Cutter Location data) containing information about a characteristic shape, a section setting unit (223) for setting one or more set sections on a toolpath in response to the information about the characteristic shape, and a motion generation unit (224, 225) for generating a machining program containing a command to change at least one parameter to be used for controlling at least one axis of the CNC machine tool outside the set section and inside the set section, wherein the information about a characteristic shape to be machined is inserted into the CL data as comments in the form of tagged text.

The invention discloses a blade curved surface ring cutter five-axis finish machining variable step length spiral cutter path generation method, which comprises the following steps of: firstly, importing a curved surface model to be machined, and setting parameter information such as a machining cutter, an approximation error maximum allowable value, a minimum iteration frequency and line spacing; secondly, respectively planning cutter contact point trajectory lines of a blade head-tail row cutter path and a spiral cutter path of a molded surface between the head row and the tail row, calculating an initial step length for the cutter contact point trajectory lines according to a maximum linear error, obtaining discrete cutter contact points, and calculating cutter location points and cutter axis vectors of the cutter contact points; replacing a cutter motion envelope surface and a cutter contact trajectory between adjacent cutter location points with a discrete cutter cutting surface and a cutter contact point set, and proposing a calculation method for an approximation error of two adjacent cutter location points; and comparing the approximation error with the maximum allowable value, and adjusting the step length to enable the approximation error between the adjacent cutter location points to be within a set range so as to obtain the variable-step-length spiral cutter path.

The present invention provides a milling device for milling a planar metal component, comprising: a milling machine, an ultrasonic control table, and a control system; the ultrasonic control table is mounted on the table of the milling machine, and the metal component is fixed on the upper end surface of the ultrasonic control table; the ultrasonic control table is equipped with a first number of ultrasonic probes, and the coupling surface of each ultrasonic probe is at a height equivalent to the upper end surface of the ultrasonic control table; the control system is used to control the milling cutter of the milling machine to perform milling processing on the metal component from above, and at the same time, according to the position of the milling cutter, control each ultrasonic probe to perform stress control on the metal component from below using corresponding power. The present invention also provides a milling method using the device accordingly. The technical solution of the present invention reduces the deformation of the planar metal component, improves its processing efficiency and extends its conformal period by using corresponding power to perform ultrasonic control on different areas of the planar metal component during the milling process.

The utility model relates to the technical field of milling cutters, in particular to a three-row-blade milling cutter for milling machine processing, which comprises a rotating rod, a three-edge milling cutter, a chuck and a rotating seat, the three-edge milling cutter is slidably arranged on the rotating rod, the chuck is slidably arranged on the rotating rod, one end of the rotating rod is rotatably connected with the rotating seat, and the other end of the rotating rod is rotatably connected with the chuck. A positioning assembly for fixing the position of the three-edge milling cutter is arranged on the chuck, and mounting assemblies for mounting the rotating rod are arranged at the two ends of the rotating rod; according to the milling cutter, three rows of blades are adopted for cutting, the three face and face milling cutters can be installed according to the needed positions, the three face and face milling cutters with different functions can be installed on the rotating rod at the same time, when a machined part is cut, multifunctional cutting can be achieved at the same time, efficiency is greatly improved, and the milling cutter is suitable for large-scale popularization and application. And the mounting assembly is matched and clamped with the milling cutter mounting disc and the rotating seat through the positioning head I and the positioning head II respectively, so that the cutter is mounted on the milling machine, and the subsequent cutter is more convenient to disassemble.

The utility model relates to the technical field of cutter tools, in particular to a milling cutter auxiliary clamping tool which comprises a milling cutter position adjusting mechanism, a handle body and a clamping portion which are coaxially arranged, the handle body comprises a handheld portion, a hanging portion and a clamping seat, the clamping portion comprises a plurality of clamping teeth, one end of each clamping tooth is fixedly connected with the clamping seat, and the other end of each clamping tooth is fixedly connected with the hanging portion. One end of the handle body extends in the axial direction, the other end of the handle body extends in the axial direction, the multiple clamping teeth are evenly distributed in the circumferential direction, a gap is formed between every two adjacent clamping teeth, a cylindrical clamping cavity is defined by the multiple clamping teeth, and a blade part of a to-be-clamped milling cutter is contained in the clamping cavity; the milling cutter position adjusting mechanism penetrates through the handle body and can move in the axial direction relative to the handle body, and one end of the milling cutter position adjusting mechanism is located in the clamping cavity and abuts against the end of the blade portion of the to-be-clamped milling cutter. According to the utility model, the blade part of the milling cutter is placed and limited in the clamping cavity formed by the clamping part, so that the risk of personnel injury caused by holding the blade part by hand is avoided.

This invention discloses a method and system for predicting shield tunneling cutter wear considering the heterogeneity of geological formations. The method includes: acquiring shield tunneling data and tunneling parameters during the shield tunneling process; calculating and determining predicted values ​​of geological parameters based on prior observation operators for geological parameters and shield tunneling data; updating the sample data used to construct the prior observation operators for geological parameters using the predicted values ​​of geological parameters to obtain updated samples; calculating and determining filter gain parameters based on the updated samples; updating the predicted values ​​of geological parameters based on the filter gain parameters to determine the geological parameters of the cutter location; and calculating and determining the cutter wear risk based on the geological parameters of the cutter location and tunneling parameters. This achieves accurate prediction of cutter wear risk.

The invention provides a milling cutter for machining a complex curved surface, and relates to the technical field of milling cutter design, and the specific steps are as follows: constructing a three-dimensional rectangular coordinate system, and constructing an egg round head revolution surface based on the three-dimensional rectangular coordinate system; uniformly arranging a plurality of blades in the circumferential direction of the milling cutter, generating a blade contour according to a right-handed spiral track, and forming a milling cutter solid model and a to-be-machined complex curved surface by combining preset cutter angle parameters; obtaining a cutter contact track and a sampling point coordinate by adopting a section plane, and deducing and solving a cutter location point motion track by utilizing a tangent relation between an egg round head revolution surface and a curved surface at a cutter contact; the overall design of the egg round head revolution surface and the milling cutter is completed. The variable-curvature revolution surface can be better matched with the concave-convex shape of a complex curved surface, the revolution surface of the egg round head and each cutter contact of the curved surface are precisely attached, compared with a point contact machining mode in the prior art, the problems of over-cutting and under-cutting are effectively solved, and the machining precision and the surface quality of the complex curved surface are improved.

The invention provides a robot milling path error prediction method and system and a storage medium, and the method comprises the steps: obtaining robot sensing information and workpiece sensing information, and determining robot feature information and workpiece feature information according to the robot sensing information and the workpiece sensing information; dimension conversion is carried out on the robot feature information and the workpiece feature information, a robot feature matrix and a workpiece feature matrix are determined, and the robot feature matrix and the workpiece feature matrix are combined to determine cutter location point features at the cutter location points; arranging the cutter location point features in sequence, constructing a sliding window with a preset size, and selecting all the cutter location point features in the sliding window through the sliding window for fusion to determine a fusion feature; and inputting the fusion features into a preset hybrid neural network model to predict contour errors of the robot at different cutter location points. The problem that in the prior art, a method capable of accurately predicting the robot milling path error in a high-precision mode does not exist is solved.

The utility model relates to the technical field of speed reducer shell production equipment, in particular to an integrated speed reducer shell hole milling device which comprises an equipment shell, and an equipment door is hinged to the outer wall of the equipment shell through a hinge. The integrated speed reducer shell hole milling device is provided with a mounting frame, a first motor, a first lead screw, a moving frame, a second motor, a second lead screw, a moving platform, an air cylinder, a driving motor and a milling cutter, the first motor drives the moving frame to move through the first lead screw, and the second motor drives the moving platform to move through the second lead screw; the height of the driving motor and the height of the milling cutter are adjusted through the air cylinder, so that the milling cutter can flexibly move in multiple dimensions, compared with the condition that the position of the milling cutter is fixed in the prior art, the device can easily move the milling cutter to different positions of the shell for hole milling without frequently changing the position of the speed reducer shell, the operation process is simplified, and the working efficiency is improved. And the processing efficiency is improved.

The invention belongs to the technical field of gear rounding machining and manufacturing, and relates to a gear rounding machining method and device based on a ball-end cutter and a storage medium. The method comprises the following steps: discretizing a processing contour line to obtain a plurality of discrete points, and constructing a square section at each discrete point; the intersecting line of each square section and the gear to be machined is obtained to serve as a rounding section line; the rounding section lines are offset inwards to construct arc segments; discretizing each arc segment to obtain a plurality of contact points, and dividing the contact points with the same serial number on each arc segment into a group of tool path points; connecting the contact points in each group of tool path points along the tool path direction to obtain a connecting line, and obtaining the curved surface normal direction of the contact point based on the cross multiplication of the tangential direction of each contact point at the connecting line and the tangential direction of the arc segment; cutter location point information at each contact point is calculated based on each contact point, the normal direction of the curved surface of each contact point and preset cutter shaft information, so that a machining cutter path is obtained.

The utility model discloses an automatic tooth aligning mechanism of a gear chamfering machine in the technical field of gear chamfering machines, which is reasonable in structure and is characterized in that a tooth aligning seat is fixedly arranged at the output end of an air cylinder B on a tooth aligning platform, and the tooth aligning platform is fixedly arranged at the output end of an air cylinder A on a side frame; an output shaft of a motor in a tooth holder is fixed on a turntable, so that a gear needing to be processed is placed on the outer wall of a stud on the turntable and is locked and fixed by a nut, the gear is pushed by an air cylinder B to be in contact with the position of a milling cutter on a gear chamfering machine, the tooth aligning effect is realized, and the gear is driven and controlled to rotate according to a motor; the air cylinder A drives and controls the gear to ascend and descend, so that the gear after tooth alignment is machined, the position and the angle are continuously controlled and adjusted, personnel tooth alignment operation is not needed in the period, adjustment treatment of all directions of the gear after tooth alignment is met, and chamfering operation of the gear after tooth alignment is facilitated.

The present invention discloses a multi-model-based interpolation method for the machining path of non-developable surfaces. Based on the workpiece machining trajectory line and the driving geometry defining the cutter axis direction, machining path model information is generated. The machining path model information at least includes cutter location point trajectory model information, cutter axis point trajectory model information, and the associated function information between the cutter location points and the cutter axis points. Based on the machining path model information, iterative interpolation of geometry and machining speed is performed. First, geometric interpolation is carried out to densify and decompose the interpolation steps of the machining path, and the data of all interpolation steps are arranged into a list according to the machining order. Then, the machining speed is set, and the machining speed is set based on the interpolated cutter location points after geometric interpolation. The position information of each physical axis is calculated by inverse solution of the cutter axis vector of the interpolated cutter location points and stored. The information after interpolation and inverse solution is arranged into a control command list to drive the machine tool equipment. It can more accurately plan the machining trajectory of non-developable surfaces, reduce machining errors, and improve the accuracy.

The invention provides a machining track curve fitting method and device, a medium, computing equipment and a product. The method comprises the steps that intensive processing is conducted on a discrete cutter location point sequence of a machining track; performing filtering smoothing processing on the tool location point sequence after the densification processing; track segmentation is carried out on the cutter location point sequence after filtering and smoothing processing, and more than one to-be-fitted area is obtained; and performing non-uniform rational spline fitting on the more than one to-be-fitted area obtained after track segmentation to obtain a fitted curve. According to the scheme provided by the invention, the deviation between the calculated cutter location point and the theoretical contour can be reduced.

The present invention relates to the technical field of mirror milling, in particular to a mirror milling processing and measurement process and control process method, and system thereof, wherein, the thin-walled part processing path program transplantation procedure comprises: aligning, according to an actual positioning hole in a point cloud data obtained by scanning the thin-walled part and the theoretical positioning hole on a theoretical triangle mesh curved surface generated by a design curved surface, an actual triangle mesh curved surface corresponding to the point cloud data with the theoretical triangle mesh curved surface; calculating, for a plurality of cutter location points in a cutter location file, geodesic information between each of the cutter location points and the theoretical positioning hole respectively; transplanting, according to the geodesic information, the cutter location points to the actual triangular mesh curved surface to form a transplantation processing path.