132 results about "Cnc milling" patented technology

The invention belongs to the technical field of milling, and particularly relates to a high-precision numerical control milling device which comprises a main body framework, a main shaft and a chuck, and further comprises a mounting shell fixedly mounted on the main body framework, the liquid spray head is mounted on the mounting shell; the injection detection assembly is mounted on the mounting shell and comprises a circular plate mounted on the mounting shell; the gas nozzle is mounted on the circular plate, a detection structure is arranged on the gas nozzle, and the detection structure comprises a pressure sensor; according to the invention, the tasks of detection and energy conservation are completed by using gas, and the cooling liquid is focused on the work of cooling and lubrication, so that the two defects of low cooling efficiency and resource waste in the prior art are overcome, and the multiple beneficial effects of prolonging the service life of the cutter and reducing the comprehensive cost are finally realized.

The invention discloses a frequency duplex synthesis method for realizing a terahertz ultra-wideband frequency multiplier, and relates to the technical field of submillimeter wave / terahertz solid-state frequency multipliers, a'frequency division-frequency multiplication-frequency combination 'duplex circuit architecture is adopted, a frequency division circuit and a frequency combination circuit are both based on a hybrid network type waveguide duplexer design, and the frequency division-frequency multiplication-frequency combination duplex circuit design is adopted. The frequency multiplier circuit is realized by adopting a hybrid integrated frequency doubler, the cost is low, the cavity structure is completely processed by adopting a CNC milling process, and the solid-state characteristic is realized; therefore, under the condition that the frequency doubling / frequency conversion efficiency is not reduced, the frequency doubler capable of covering the full frequency band of 170-260GHz (WR-4 frequency band) can be realized, namely, the double advantages of wide frequency band and high efficiency of the frequency doubler are considered, and the technical problem that the wide frequency band and the high efficiency of a submillimeter wave / terahertz schottky frequency doubler at the present stage cannot be achieved at the same time is solved.

The utility model relates to the technical field of powder discharging groove machining, in particular to a drill bit powder discharging groove machining device which comprises a numerical control milling machine and a rotary table chuck arranged on a workbench of the numerical control milling machine. The rotary table chuck comprises a supporting table detachably connected to a numerical control milling machine workbench, a chuck transversely and rotationally connected into the supporting table, a plurality of clamping jaws arranged at one end of the chuck in a sliding mode, a first driving part arranged on the supporting table and a second driving part arranged on the chuck, and the first driving part is in transmission connection with the chuck to drive the chuck to rotate. And the second driving piece is in transmission connection with the multiple clamping jaws to drive the multiple clamping jaws to get close to or get away from each other. The second driving piece on the rotary table chuck drives the multiple clamping jaws to be close to or away from each other synchronously, accurate adjustment can be conducted according to the size of a drill bit, rock drilling drill bits of different specifications can be stably clamped, it is guaranteed that the drill bit does not shake in the machining process, the machining precision of a powder discharging groove is improved, and the product quality is guaranteed.

This invention discloses a digital complete denture manufacturing method and a digital complete denture, relating to the field of digital oral technology. The invention acquires digital models of the patient's edentulous maxilla and mandible, along with jaw position data. Virtual tooth arrangement and denture base design are completed in computer-aided design software, generating a composite digital model. The base data is converted into CNC instructions, and a five-axis CNC milling machine is used to cut prefabricated material blocks to produce a solid denture base. Matching solid prefabricated dentitions are selected from a prefabricated dentition database, surface-activated, and then bonded and fixed to complete the denture assembly. This method is highly efficient, provides stable precision, and significantly shortens the manufacturing cycle and the number of treatment visits.

The utility model discloses a novel VEGA reader-writer, which relates to the technical field of reader-writers and comprises a shell, a communication interface module, a power supply module and an RF (Radio Frequency) module, the shell is of a flat thickened structure formed by aluminum alloy integrated CNC milling. The communication interface module comprises an RS232 serial port of a DB9 female head, an M12-5pin aviation male head interface and a BT radio frequency port; the power supply module supports 9-36V wide-range power supply, and the operation power consumption of the whole machine is less than or equal to 10W. According to the device, the aluminum alloy integrated CNC milling flat thickened shell is adopted, the occupied space is small, collision and friction resistance is achieved, the protection grade is not lower than IP67, the requirement for additional supporting and protection structures during installation is reduced, and the device is suitable for various complex installation scenes.

The utility model discloses a multi-station numerical control milling processing clamp which comprises a mounting base, a linkage unit, a power unit and a plurality of clamp bodies, the linkage unit, the power unit and the plurality of clamp bodies are all arranged on the mounting base, the power unit is connected with the plurality of clamp bodies through the linkage unit, and the power unit is connected with the plurality of clamp bodies through the linkage unit. Each clamp body comprises two clamping jaws which are symmetrically arranged, one end of each clamping jaw is a wedge-shaped part, and a channel is formed between the wedge-shaped parts of the two clamping jaws in the same group; a retraction spring is arranged between the two clamping jaws, and when the two clamping jaws are opened, the retraction spring is in a stretched state. According to the clamp, linkage of the multiple clamp bodies is achieved, the machining efficiency can be effectively improved, loosening or clamping of the clamping jaws within a certain range is achieved through cooperation of the rolling wheels and the wedge-shaped limiting blocks, tensioning is achieved through the retraction springs, clamping is stable and reliable, the clamp is suitable for milling machining of revolving body type parts of different specifications, overall operation is simple, and the machining efficiency is high. And an operator can process and use conveniently.

The invention belongs to the field of five-axis numerical control milling, and discloses a five-axis side milling test piece contour error prediction method considering a tool pose. Comprising the following four steps: establishing a spatial position transformation relation calculation model, calculating the length of a focusing tool and acquiring a track point set, fitting an intelligent algorithm optimized track, calculating a cutting contact track and solving a contour error, and substituting a tool path code of a five-axis side milling machining inspection test piece into a spatial error model considering the tool length. The method comprises the following steps: calculating cutter center point pose data corresponding to the contour of a cutting test piece, carrying out trajectory fitting on the pose data by introducing a spline curve fitting method, improving the precision of the fitting trajectory in combination with a particle swarm optimization algorithm, and finally shifting the cutter along the radius through a homogeneous coordinate transformation method to obtain an actual cutting contact trajectory of the test piece. And high-precision rapid prediction of the contour error of the five-axis machining test piece is realized.

The utility model relates to a groove type partition combined cooling structure suitable for a high-speed motor. The groove type partition combined cooling structure comprises a lower shell assembly, an upper shell assembly and a motor installed in the lower shell assembly. The lower shell assembly comprises a lower shell, and a lower shell partition piece is installed in at least one lower shell groove-shaped flow channel and divides the lower shell groove-shaped flow channel into two areas communicating with each other. A plurality of upper shell groove-shaped flow channels matched with the lower shell groove-shaped flow channels are formed in the upper shell groove in the circumferential direction. The groove-shaped flow channel of the shell can be machined through conventional numerical control milling and is suitable for rapid iteration and small-batch customization, an internal complex cavity is omitted, and the manufacturing cost is remarkably reduced.

This invention discloses a five-axis, five-linkage CNC milling machine, including a machine body. Mounting seats are fixedly connected to the left and right sides of the top of the machine body. A worktable is disposed above the mounting seats, and a support seat is fixedly installed on the rear top of the machine body. Through the coordinated use of a first fixing mechanism, a tool storage mechanism, and a disassembly mechanism, and under the action of the output ends of a second stepper motor and a servo motor, the milling cutter to be replaced is positioned inside an empty placement slot on the storage disk. Then, a magnet abuts against a third sliding seat made of plastic, causing the milling cutter to fall into the placement slot. Similarly, the first fixing mechanism automatically installs the new milling cutter, which is convenient and quick. In addition, this invention also includes a tilting mechanism to facilitate cleaning of the T-slot on the top of the worktable by the operator, and a second fixing mechanism to select a suitable fixture for installation according to the product to be milled, meeting the needs of the operator.

An example milling bit comprises a shank and a working sector comprising a cutting anterior part, which is a portion of a hollow sphere, a cutting posterior part fixed to the shank and located between the shank and the spherical anterior part, at least one cutting tooth extending along an entire length of the working sector with a cutting edge, and at least one flute to the cutting tooth extending along length of the working sector following the path of the cutting edge. The spherical anterior part of the working sector is hollow and at least one cutting tooth in the anterior cavity region has a shape of a spherical shell element.

The machining method comprises the following steps that a disc type tooth-shaped milling cutter is adopted to be fixed to a machine tool spindle, and a gear blank is installed on a device capable of dividing teeth and rotating at a certain angle; the disc-type tooth-shaped milling cutter does linear motion and rotary motion at the same time, the linear motion speed of the disc-type tooth-shaped milling cutter is set to v1, the angular speed at the gear milling pitch circle of the gear blank is converted into the linear speed, namely, the pitch circle linear speed of the gear blank is v2, and the v1 and the v2 are the same in direction and equal in speed; and the arc involute tooth-shaped structure with the symmetrical middle position is obtained. The middle-position arc cylindrical gear can replace herringbone teeth, is good in manufacturability and low in manufacturing cost, can be transformed through numerical control milling equipment, is more stable and lower in noise compared with a cylindrical gear, and meanwhile, the number of meshed teeth is larger.

The utility model relates to the technical field of CNC (computer numerical control) milling machines, in particular to a clamp of a CNC (computer numerical control) milling machine, which is characterized in that the inner side of a side frame is rotatably connected with a bidirectional screw, the two ends of the bidirectional screw are connected with nut seats through threads in a screwing manner, and one sides of the two nut seats are fixedly connected with one sides of two annular pipes respectively; the inner sides of the two annular pipes communicate with a plurality of hydraulic telescopic pipes, the output ends of all the hydraulic telescopic pipes are fixedly connected with clamping plates, one side of the milling machine is fixedly connected with a pump body through bolts, one sides of the two annular pipes communicate with an outlet of the pump body, and flexible adjustment of the distance between the two annular pipes is achieved. The clamp can clamp and limit workpieces with different heights, clamping parts do not need to be adjusted or replaced, and the workpiece machining efficiency and convenience are greatly improved.

The utility model discloses a CNC milling cutter mechanism convenient to replace, which comprises a mounting part, the bottom end of the mounting part is provided with an inner cavity, and the center of the inner cavity is connected with a transmission rod; an inner six-hole is formed in the top end of the milling cutter and is matched and butted with the transmission rod; a plurality of through insertion grooves are formed in the side wall of the inner cavity, and clamping jaws are arranged in the insertion grooves; the lower end of the mounting part is connected with an end cap, a rotating groove is formed between the mounting part and the end cap, a rotating ring is arranged in the rotating groove, the edge of the upper surface of the rotating ring is connected with an outer ring, and the outer ring is in threaded connection with the clamping jaw. During use, the rotating ring and the outer ring are held by a hand to rotate reversely, and the clamping jaws move towards the central axis away from the mounting part and are separated from the milling cutter. And the milling cutter can be pulled out downwards. And a new milling cutter is arranged in the inner cavity. And by rotating the rotating ring and the outer ring in the forward direction, the clamping jaws move towards the central axis of the mounting part until the clamping jaws make contact with a new milling cutter. And putting into use. Operation is fast, use is convenient, and efficiency is improved.

The invention relates to the technical field of machining, in particular to a machining method of a high-temperature alloy turbine with end teeth and a closed blade, which is characterized in that the traditional turbine blade needing a large amount of numerical control milling is changed into precision casting molding, so that the machining amount is greatly reduced, and the machining period is remarkably shortened; the special end tooth milling tool is designed according to the high-precision requirement of turbine end tooth machining, accurate positioning and clamping are achieved in a conical surface expansion mode, high-precision milling of the end teeth at the two ends is completed at a time on a five-axis numerical control machine tool, the coaxiality of the end teeth relative to an inner hole is effectively controlled, and the machining precision is guaranteed. Meanwhile, a special taper mandrel and an overspeed test tool are respectively designed for dynamic balance correction and overspeed test, so that the actual assembly state is effectively simulated, the test is prevented from loosening, and a complete, efficient and reliable special tool guarantee system is formed; therefore, the problems of long processing period, difficulty in precision control and lack of special tool guarantee are systematically solved.

The application discloses a milling method based on automobile front and rear axle processing, and particularly relates to the field of numerical control milling processing technology of automobile axle assembly, and comprises the following steps: obtaining three-dimensional processing data of a non-driving axle axle assembly workpiece to be processed; generating a final milling path of a target mounting surface according to a clamping reference in a machine tool coordinate system; and writing a position of the final milling path passing through a hole boundary into a hole surface sweep entry record; for the hole surface sweep entry record, moving a milling cutter equipped with a numerical control blade along the final milling path bit by bit through a cutter sweep body envelope calculation algorithm, and rotating a blade tip arc of the numerical control blade around a cutter head center according to a blade seat angle; determining a temporary sealing allowance above the hole boundary according to a cutter sweep envelope of the numerical control blade, reserving the temporary sealing allowance after pre-processing in the hole and rough milling of the mounting surface, so that the milling cutter cuts into a supported metal strip while crossing the hole boundary when performing final milling on a key mounting surface, and the temporary sealing allowance is removed from the inside of the hole boundary after the final milling is completed.

This invention discloses a synchronous update and real-time rendering method based on a tri-dexel model, relating to the fields of computer graphics and CNC machining simulation. First, the workpiece model is initialized, a tri-dexel model is established, and it is converted into voxel data and loaded onto the GPU. During machining, the tri-dexel model is dynamically updated according to the tool path, and the voxel data is synchronized to the GPU. During rendering, a line of sight is projected from the camera to the pixel, and the GPU determines the intersection in parallel. If there is an intersection, the triangular facet is reconstructed and colored; otherwise, the pixel remains uncolored. The synchronous update and real-time rendering method based on a tri-dexel model provided by this invention achieves efficient real-time rendering of high-precision models in dynamic machining, and is applicable to scenarios such as CNC milling and additive manufacturing.

The application discloses a kind of preparation methods of low warping high-precision 3D printing products based on polyaryletherketone material, its preparation process includes: first, with PEEK resin and PEKK resin as matrix resin, carbon fiber is reinforced phase and is constructed with melting temperature gradient 3D printing wire;Second, according to the three-dimensional drawing of product, the blank of product is printed using high-temperature 3D printing equipment, and the dimensional accuracy of blank is controlled within ±0.1mm;Then further machining is carried out on blank by precision CNC milling machine using small feed and high speed cutting mode, and two annealing treatments are carried out during processing, so that a kind of low warping high-precision 3D printing product is obtained.The method of the application is suitable for rapid verification of small batch PAEK products, has high economic efficiency, strong production predictability, high work efficiency and other irreplaceable advantages in small batch production, especially in the field of small batch and multi-variety PAEK parts development has wide application prospect.

The invention relates to the technical field of numerical control machine tools, and discloses a numerical control milling machine with a multi-hole-site synchronous machining function, which comprises a machine body, a workpiece mounting table, a first lifting driving mechanism, a lifting table, at least two distance adjusting tables and a control system. The workpiece mounting table is mounted on the machine body; the first lifting driving mechanism is mounted on the machine body; the output part of the first lifting driving mechanism is in driving connection with the lifting table; the lifting platform is provided with a first horizontal driving mechanism; the output part of the first horizontal driving mechanism is in driving connection with at least one distance adjusting table, so that the horizontal distance between the two distance adjusting tables is adjustable; the two distance adjusting tables are each provided with at least one second horizontal driving mechanism, each distance adjusting table is provided with at least two main shaft units, and the output portion of each second horizontal driving mechanism is in driving connection with at least one of the two main shaft units arranged on the same distance adjusting table. Therefore, the horizontal distance between the two main shaft units arranged on the same distance adjusting table can be adjusted. The hole distance between multiple spindles can be adjusted.

The invention discloses a synchronous updating and real-time rendering method based on a tri-dexel model, and relates to the field of computer graphics and numerical control machining simulation, and the method comprises the steps: firstly initializing a workpiece model, building the tri-dexel model, converting the tri-dexel model into voxel data, and loading the voxel data to a GPU; dynamically updating the tri-dexel model according to a tool path during processing, and synchronizing voxel data to the GPU; during rendering, sight lines are projected to pixels from a camera, the GPU judges the intersection condition in parallel, a triangular patch is reconstructed and colored if intersection occurs, and the pixels are colorless if not; according to the synchronous updating and real-time rendering method based on the tri-dexel model, efficient real-time rendering of a high-precision model in dynamic machining is achieved, and the method is suitable for scenes such as numerical control milling and additive manufacturing.

The invention relates to the technical field of cutting machining equipment, in particular to numerical control milling aviation part machining equipment which is used for machining aviation plates and comprises a machining table, a supporting frame and an adjusting mechanism. The machining table is provided with a supporting table used for bearing plates and a linear driver used for controlling the supporting frame to ascend and descend in the vertical direction. The supporting frame is provided with a vacuum suction cup used for adsorbing plates. The adjusting mechanism is used for controlling the supporting frame to stretch out and draw back. The function of fixing plates through negative pressure is achieved through the machining table, the supporting frame and the adjusting mechanism, the adjusting mechanism is used for controlling the supporting frame to stretch out and draw back to achieve the effect of adapting to the plates of different sizes, stable adjustment of the adsorption position is guaranteed, and the situation that adsorption is unstable due to the fact that adsorption points are too close to the edges of the plates is avoided; the problem that due to the fact that traditional equipment is matched with fixed specifications, adsorption of part of size plates is not stable is solved.

The invention belongs to the technical field of manufacturing of aero-engines and gas turbine fan parts, and particularly relates to a turning machining method for a lower mounting plate assembling groove of a double-mounting-plate blade. The core of the method comprises the following steps of: establishing accurate positioning by taking an arc surface B of a boss of an upper mounting plate as a radial reference and taking planes A1 and A2 of air inlet edges of upper and lower mounting plates as an axial reference; firstly, numerical control milling of an upper mounting plate and a blade body profile is completed; preferably selecting a turning tool according to the size of the assembly groove; a vertical numerical control lathe is selected for machining; and a special turning program is designed for rough machining and finish machining. The problem of machining deformation caused by weak rigidity of the long blade is fundamentally solved, the coaxiality precision of the lower mounting plate assembling groove and the upper mounting plate boss is stably controlled to be smaller than or equal to 0.05 mm, the first-pass yield is increased to 100% from 0%, the machining efficiency is improved by about 30%, and the development process of aero-engine key parts is effectively promoted.

This utility model discloses a CNC milling fixture for the bottom surface of a limiting block, belonging to the field of machining technology. It consists of a right base, a left base, and a middle base, all of which have vertical grooves at their contact surfaces. When assembled, they form two rows of cylindrical holes for interference fit with the limiting block. A vise is used to clamp the limiting block. This utility model solves the problem of inconvenient bottom surface removal, provides convenient clamping, and effectively improves machining efficiency.

1. Name of the product in this design: Desktop CNC Milling Machine (C-500). 2. Purpose of this design: For processing parts. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The utility model discloses a double-core interchangeable leather film mould, which relates to the technical field of leather film moulds and comprises an upper backing plate and a lower backing plate, an upper mould plate is fixedly mounted at the lower end of the upper backing plate through a plurality of upper fastening bolts, and a lower mould plate matched with the upper mould plate is fixedly mounted at the upper end of the lower backing plate through a plurality of lower fastening bolts. A machining mold core is detachably installed on the upper mold plate, and a mold core groove matched with the machining mold core is formed in the lower mold plate. Compared with an old-fashioned leather film mold, the double-core interchangeable leather film mold has the advantages that the machining efficiency is greatly improved, the numerical control milling workload at the mold core is reduced, an additional new mold is avoided through double-core interchange, the time and the cost are saved, the mold core is a quick-wear part, the service life of the mold is prolonged through an interchangeable model structure, and the mold is suitable for large-scale popularization and application. And meanwhile, two different products can be produced by one set of mold through double-core interchange.

This invention discloses a method for assembling ceramic-based composites and metal to improve the accuracy of connecting holes. The method includes steps S1, assembling the composite component; S2, placing the assembled composite component in a CVI deposition furnace to deposit a SiC substrate; S3, placing the composite component with the deposited SiC substrate on a CNC milling machine and machining positioning holes on the composite component that match the solid cylindrical pins of the metal part; S4, placing the composite component in a CVI deposition furnace and depositing a silicon carbide protective coating on the surface; S5, using the solid cylindrical pins on the metal part to position and test-fit the positioning holes on the composite component, and applying adhesive to the mating surfaces; S6, machining the connecting holes; and S7, surface cleaning. In this invention, the solid cylindrical pins are embedded in the positioning holes, achieving rapid positioning of the composite component and the metal part. The assembly is simple, and if dimensional deviations occur, only the metal part needs to be replaced. The product has high maintainability and a short maintenance cycle.

A method of manufacturing underfloor heating boards comprises determining room information of a room in a building (e.g. dimensions, layout, heat requirement) and determining a pipe layout 100 of one or more underfloor heating pipes 105 for the room based at least in part on the determined room information. The method further comprises determining a board layout 150 of underfloor heating boards 152 based on the determined pipe layout and determining a plurality of underfloor heating board designs based upon the board layout. A plurality of pipe layouts may be determined, with a user selecting a preferred layout for use in determining the board layout. The underfloor heating boards comprise channels 155 for the heating pipes. The plurality of board designs may be manufactured by a computer numerical control (CNC) machine, e.g. a CNC milling machine, to provide a tailor made (bespoke) underfloor heating system for the room. The method may include use of machine learning to determine the plurality of board designs. A computer program is also claimed.

This utility model belongs to the field of metal processing technology, specifically a gantry-type double-head CNC milling machine for wheel hub processing. A milling machine base plate is installed below the machine frame. Two sets of longitudinal slide rails are symmetrically installed on the surface of the milling machine base plate. Longitudinal sliders are mounted on the surface of the longitudinal slide rails. A motor fixing plate is mounted on one side of the milling machine base plate. A first motor is mounted on one side of the motor fixing plate. A lead screw is installed at the end of the first motor. A motor bearing seat is installed at the connection between the first motor and the lead screw. By adding a control system for multi-axis movement of the automotive wheel hub to the bottom of the worktable, multiple sets of micro motors installed below control the lead screw to rotate, driving the upper worktable to adjust its position. This, in conjunction with the upper milling cutter, allows for the processing of the automotive wheel hub, effectively improving processing efficiency, enhancing the accuracy of the device, improving product quality, and extending the lifespan of the device.

The invention relates to the field of workpiece size measurement, in particular to a workpiece size measuring device for a numerical control milling center, which comprises a supporting seat, a servo motor arranged on the supporting seat, a connecting shaft I arranged on the supporting seat, a rotating unit arranged between the servo motor and the connecting shaft I, and a clamping unit arranged on the rotating unit, the measuring probe is arranged on the rotating unit; according to the invention, the servo motor drives the first rotating ring and the second rotating ring to rotate, a component force perpendicular to the axis of the second rotating ring is generated through the included angle between the axis of the first rotating ring and the axis of the second rotating ring, and therefore, the workpiece can be scanned in an all-dimensional manner. The second rotating ring rotates along with the axis of the second rotating ring while rotating in cooperation with the first rotating ring, composite track rotation of the workpiece is achieved, the measuring probe can fully scan all faces of the workpiece, and measured data are more accurate.

This invention discloses a control method and equipment for a rotary flipping fixture suitable for CNC milling machining centers, relating to the field of CNC machining technology. This invention optimizes clamping force through multi-source sensing and digital twin technology to prevent workpiece deformation; integrates thermal compensation and error propagation chain models to accurately correct the flipping angle and suppress error accumulation; and utilizes digital twin pre-verification and multi-sensor closed-loop monitoring to achieve real-time comparison, traceability, and adaptive adjustment of the machining process. It solves the problems of precision deviation and batch consistency issues caused by unstable clamping, thermal deformation, and error propagation in multi-face milling of high-precision parts, significantly improving the precision, reliability, and process adaptability of complex part machining.

This invention relates to the field of machining center technology, and specifically provides a CNC milling and turning machining center, comprising: a housing, multiple fixtures, and multiple cutting tools. A support is mounted on the housing, and a rotatable tool changer is mounted on the support. Multiple fixtures are spaced circumferentially on the tool changer. Multiple cutting tools are individually clamped in the multiple fixtures. After a cutting tool is removed from a fixture, the area on the fixture used to hold the tool shifts, so that when the tool is repositioned, the contact area between the tool and the fixture changes. The solution of this invention, by setting the area of ​​the fixture used to hold the tool to shift after the tool is removed, changes the contact area between the tool and the fixture when the tool is repositioned, thereby avoiding long-term contact between the fixture and the tool in the same position, distributing wear to multiple areas, and thus significantly improving the accuracy of the fixture in holding the tool for extended periods.