38 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 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 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 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 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.

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 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.

The invention relates to the technical field of digital control, in particular to a milling control method and system based on a sheet-shaped cutter, and the method comprises the steps: presetting a machining track, and obtaining a plurality of original cutter location points; determining a cutter axis vector corresponding to each original cutter location point, and fitting a cutter location surface based on the plurality of original cutter location points and the plurality of cutter axis vectors; acquiring a side edge path point corresponding to each original cutter location point based on the cutter location surface, and fitting an envelope surface according to the cutter location surface and all the side edge path points; obtaining a cutter attitude value corresponding to each side edge path point based on the envelope surface, and further solving an inverse kinematics solution for each cutter attitude value to obtain a six-axis joint angle corresponding to each cutter attitude value; and a robot motion instruction is generated based on all the tool posture values and all the corresponding six-axis joint angles, and a preset six-axis robot is controlled to use the flaky tool for milling according to the robot motion instruction.

A face milling and chamfering integrated milling head comprises a face milling mechanism, the face milling mechanism comprises a face milling cutter, a first spindle box and a first motor for driving the face milling cutter, the face milling head further comprises a chamfering device, and the chamfering device comprises an upper chamfering mechanism and a lower chamfering mechanism. The upper chamfering mechanism comprises an upper chamfering milling cutter, a second spindle box, a second motor for driving the upper chamfering milling cutter to rotate and a driving mechanism for driving the second spindle box to lift, and the lower chamfering mechanism comprises a lower chamfering milling cutter, a third spindle box and a third motor for driving the lower chamfering milling cutter to rotate. According to the principle, a milling tool and a chamfering tool are integrated on the integrated machine tool, chamfering can be achieved while a workpiece is milled, the two different technologies are completed at a time, the technological process is shortened, and the machining efficiency is improved; the position of the lower chamfering milling cutter is fixed, and the position of the upper chamfering milling cutter can be vertically adjusted according to the thickness of a workpiece.

The embodiment of the invention discloses a compensation adjustment method and device applied to turbine blades, electronic equipment and a medium. A specific embodiment of the method comprises the steps of performing adaptive compensation detection on a turbine blade to be detected to obtain a three-dimensional point cloud data set of the blade; performing point cloud feature registration processing on the blade three-dimensional point cloud data set and a preset turbine blade three-dimensional model to obtain a blade point cloud registration transformation matrix; determining a normal vector deviation value set and a cutter location normal compensation vector set; performing multi-dimensional direct-axis vector decomposition and rotating shaft interpolation adjustment on the tool location normal compensation vector set to obtain a decomposition compensation vector value set and a rotating shaft adjustment vector value set; generating a cutting tool instruction set; and a cutting tool on a spindle of the numerical control machine tool is controlled to perform compensation cutting adjustment, and the turbine blade after compensation adjustment is obtained. According to the implementation mode, machining of the turbine blade is completed at a time, the quality and adjusting efficiency of the turbine blade can be improved, the machining and adjusting time is shortened, equipment loss is reduced, and performance is improved.

A mirror milling machining and measurement and control process method, and a system therefor. A thin-walled-part machining path program migration process comprises: according to actual locating holes in point cloud data obtained by scanning a thin-walled part and theoretical locating holes on a theoretical triangular mesh curved surface generated on the basis of a design curved surface, aligning the theoretical triangular mesh curved surface and an actual triangular mesh curved surface corresponding to the point cloud data; for a plurality of cutter location points in a cutter location file, respectively calculating geodesic information of each cutter location point relative to the theoretical locating holes; and according to the geodesic information, migrating the cutter location points to the corresponding actual triangular mesh curved surface to form a migrated machining path. According to geodesic information, corresponding cutter location points are accurately mapped onto an actual machining curved surface of skinning data to form a migrated machining path, thereby reducing the impact of skin deformation on a tool path and improving the machining accuracy.

The application provides an adaptive milling method for a sinking feature of an aircraft skin based on in-machine measurement. First, the shape of the clamped skin blank is measured by an in-machine probe, and the thickness of the skin blank at each position is detected by an ultrasonic thickness gauge. Second, the sinking feature machining process is planned according to the actual skin blank shape and thickness, the cutter location point coordinates, the rotating shaft rotation angle and the corresponding cutting depth at the cutter location point are obtained, the machining program is generated and milling is performed. Then, after the machining is completed, the inside and outside of the sinking feature region are measured again by the in-machine probe to obtain the actual cutting depth and the skin surface sinking depth caused by clamping and cutting force. Finally, the compensated cutter location point coordinates and normal vector are calculated by superimposing the skin surface sinking depth, the cutting relief amount and the actual cutting depth, and the compensated machining program is generated to realize the compensation machining of the sinking feature. The method has the advantages of fast calculation efficiency, strong applicability, high automation degree and high machining precision.

The invention relates to the technical field of bottle body polishing machining, in particular to a polishing path planning method and system based on a bottle body contour and a computer program product.The method comprises the steps that firstly, the non-interference cutter location path of each subsection is calculated, and according to the characteristics of the bottle body contour, the subsection is divided into a plurality of curve sections according to the curve type; and calculating a non-interference cutter location path of each curve segment and a transition cutter location path between adjacent curve segments to obtain non-interference cutter location paths in the segments. Furthermore, a transition cutter location path between adjacent sections is constructed, and a complete bottle body contour polishing path is obtained through integration. According to the method, full-automatic path planning is achieved, manual operation is greatly reduced, it can be guaranteed that the automatically-generated cutter path is an interference-free cutter path, and the stability of machining quality is guaranteed.

The present invention discloses a post-processing method for a special seven-five axis linkage machine tool, comprising: building a multi-body kinematic model according to the structure of the machine tool, and building the multi-body kinematic model according to the sequence of workpiece-turntable-machine tool-cross beam-ram-milling head-cutting tool; establishing position coordinate transformation matrices according to the built multi-body kinematic model to obtain the matrices of cutter location points and tool orientation vectors; solving transformation equations of every motion axis of the machine tool and cutter location point coordinates according to the matrices of cutter location points and tool orientation vectors; building a corresponding relationship between the cutter location point coordinates and every motion axis of the machine tool based on a geometric level, and solving specific values of C-axis rotation angle of milling head and C2-axis rotation angle of the turntable.

The invention belongs to the technical field of robot track control and machining process measurement and control, and particularly relates to a robot spiral path on-line measurement compensation method, a robot working method and a robot. The robot spiral path on-line measurement compensation method comprises the steps that the radius, the lead, the number of turns, the number of sampling points and the feeding speed of spiral motion are set, and a nominal cutter location point sequence is generated; when the robot executes a spiral track, radius error and attitude angle data are synchronously collected, and time-angle alignment is completed; measuring shaft rotation calculation is completed by combining attitude information, a displacement error is projected to an actual measuring shaft direction, a compensation vector is calculated in a target plane, and smooth transition of feeding and retracting is achieved; the nominal cutter location point sequence is corrected through a compensation vector, and equal-arc-length resampling is carried out based on the accumulated arc length; and finally, outputting the compensated control program, and issuing the compensated control program to a robot controller to realize online compensation. According to the invention, the roundness and lead error of the spiral path can be effectively reduced, and the geometric accuracy and machining consistency of the workpiece are improved.

A milling device special for new energy automobile battery tray cross beam welding surplus height is characterized in that a workpiece on a table top is fixed by a clamping tool, a milling mechanism is arranged on the rear side of the workpiece, the milling mechanism comprises a transverse moving motor in the middle, the transverse moving motor drives lead screws horizontally arranged on the two sides to rotate through a gearbox below the transverse moving motor, and the lead screws are installed on a rack through a plurality of bearings; a sliding rail is further horizontally arranged on the machine frame, the milling head is connected with the sliding rail in a sliding mode through a sliding block, a screw block is further installed on the milling head, and the screw rod penetrates through a screw hole of the screw block. And the milling cutter with the downward milling head corresponds to the workpiece. On the basis of the original patent technology, the applicant performs special adaptive improvement on the cross beam on the tray, and redesigns the special double-end equipment for milling the cross beam rod piece. The device has the advantages of stable clamping, high automation degree and the like.

The invention discloses a machining constant-cutting-force efficient machining technology, and relates to the field of machining technologies, and the machining constant-cutting-force efficient machining technology comprises the steps that tool information, workpiece information and an NC file are input, and all discrete points of a tool path are planned; according to the tool path discrete points, the current tool location point is read; obtaining a contact body CWE of the cutter and the workpiece; on the basis of the CWE of the current cutter location point, the instantaneous cutting force is calculated and compared with the preset constant cutting force, and then the feeding speed is adjusted till the new instantaneous cutting force meets the requirement; and judging whether subsequent cutter location points exist or not, performing corresponding processing, and if all the cutter location points are completed, ending the processing. In combination with a cutting force result obtained through simulation, the cutting machining efficiency can be improved, the machining surface quality of a workpiece can be improved, cutter damage can be reduced, and the service life of a cutter can be prolonged by adjusting the machining instantaneous feeding speed and controlling the cutting load stability and the constant cutting force in the machining process.

The utility model provides a tungsten steel milling cutter infrared heating device which comprises a box body, two moving blocks are connected to the bottom of the interior of the box body in a sliding mode, and clamping blocks are fixedly installed on the inner side faces of the moving blocks. According to the infrared heating device for the tungsten steel milling cutter, the first motor, the sliding groove, the double-thread screw, the moving block, the clamping block and other structures are arranged, the first motor drives the double-thread screw to rotate and drives the moving block to slide in the sliding groove, and therefore the infrared heating device can flexibly adapt to tungsten steel milling cutters of different lengths, and the working efficiency of the preparation stage is greatly improved; meanwhile, the clamping block is formed by connecting the upper clamping block and the lower clamping block through a bolt, the milling cutter can be stably clamped, it is guaranteed that the position of the milling cutter is stable in the heating process, the second motor and the rotating block are combined, the milling cutter can be driven to rotate, infrared rays evenly irradiate all parts of the milling cutter, and the heating uniformity is improved.

The invention relates to the technical field of precision machining, in particular to a method and system for predicting cutting deformation of a weak-rigidity part at an edge calculation end. The prediction method comprises the following steps: generating a measurement NC program, a simulation CAE file and a processing parameter file based on a theoretical CAD model, and respectively deploying to a numerical control system and an edge calculation controller; running a measurement NC program on a machine, actually measuring geometric data of the workpiece, correcting grid nodes of the simulation CAE file according to the actually measured geometric data of the workpiece, and generating a corrected background grid; and constructing a CutFEM solving model based on the corrected background grid, generating an instantaneous cutting model solving domain for each cutter location point, introducing a ghost penalty function and a Nitsche method to carry out stable solving, calculating the deformation of each point through cutting force-deformation coupling iteration, and finally fitting to generate a whole-field machining deformation prediction result. According to the method, online deformation prediction of measured data driving and edge end quick response is realized, and the precision and the efficiency are effectively improved.