40 results about "Cnc milling" patented technology

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.

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.

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 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.

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.

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.

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.

This utility model provides an automatic tool changer for CNC milling machines, belonging to the field of CNC milling machine tool changing technology. It includes a frame, a sliding module mounted on the frame, and a CNC module mounted on the sliding module. It also includes a tool changing component mounted on the CNC module, with a detachable tool head inside; a bracket mounted on the frame, with a moving component mounted on the bracket, and a rotating component mounted on the moving component. The rotating component assists the tool changing component in changing the tool head. This utility model features a moving component and a rotating component. A servo motor can quickly drive the moving and rotating components, and an electric push rod can quickly clamp and release the tool head, greatly shortening the tool changing time, improving machine tool production efficiency, eliminating the need for manual tool changing by operators, and simultaneously improving safety during the production process.

This invention relates to a method for bending and forming ultra-thick, high-ribbed aluminum alloy grid panel using CNC milling, belonging to the field of advanced manufacturing technology. The method includes: CNC milling the sheet material to create a grid pattern; processing filler and pads, processing filler material and pads according to the grid shape, size, and quantity; fixing the filler and pads, placing the filler into the grid, and then covering the grid with the pads to form the panel; and material placement and alignment. This invention achieves the bending and forming of ultra-large grid-patterned sheet materials by establishing reasonable rolling bending process parameters, solving the problem of manual alignment for ultra-large panel construction.

This utility model relates to the field of CNC milling machine technology, specifically to a chip removal device for CNC milling machines. It includes a milling machine body with a discharge port on one side for discharging chips, a fixed shaft located inside the milling machine body, a guide plate rotatably positioned outside the fixed shaft and inclined, and an adjustment assembly located inside the milling machine body, including a fixed column inside the milling machine body. This chip removal device utilizes the cooperation between a swing plate and a guide plate. When the swing plate swings, the guide plate is pushed and moved downwards; when the swing plate returns, the guide plate returns. This up-and-down swinging motion of the guide plate vibrates the chips on its top, causing them to be discharged from the milling machine body through the discharge port. This prevents chip accumulation and avoids scratching the device, ensuring the normal operation of the chip removal process.

The present application relates to the technical field of aircraft sheet metal part processing, and particularly relates to a processing method of an inner boss annular sheet part, which comprises the following steps: selecting a metal sheet material meeting the material quality requirement of the part; cutting and blanking the sheet material according to the specification; obtaining a sheet material blank with a preset size through numerical control milling; cleaning the surface of the sheet material blank; clamping the pretreated sheet material blank to a three-axis roll bending machine; calculating and adjusting the upper roller shaft pressure H of the three-axis roll bending machine; performing a multi-pass gradual roll bending process to form an annular blank with a preset curvature; and placing the roll-bent annular blank into an expansion die, introducing high-pressure gas, and making the annular blank adhere to the cavity of the expansion die to form an inner boss, thus achieving the precise forming of the inner boss and the annular outer contour at one time. The present application avoids cracks and defects in roll bending forming, maximizes the use of materials, reduces waste, and realizes the efficient and accurate manufacturing of the inner boss annular aluminum alloy sheet part.

This invention discloses a precision machining method for large curved surface molds. The steps are as follows: rough machining of the large curved surface mold on both sides using a CNC milling machine; allowing the large curved surface mold to stand freely in air; finishing machining the bottom plane of the mold in the free state; flipping the mold over and positioning it with the bottom plane, checking the flatness of the bottom plane of the mold body in the free state; preheating the machine tool to allow all moving parts of the CNC machine tool to reach thermal equilibrium in the machining area, thus ensuring stable operation of the machine tool; verifying changes in machine tool accuracy; machining the large curved surface of the mold using a hemispherical insert for finishing; and high-precision surface inspection of the machined large curved surface. The beneficial effects of this invention are: by using a preheating program to keep the spindle rotating and running the XYZ linkage idle for 1.5 to 2 hours, the CNC machine tool reaches thermal equilibrium; and by checking tool wear using a verification ring, the problem of tool wear judgment is effectively solved.

This utility model provides a positioning structure for a CNC milling machine, belonging to the field of CNC milling machine technology. It includes a machine bed, and further includes a feed mechanism mounted on the machine bed. The machine bed has at least two mounting slots, and a support plate is fixed within each mounting slot. A positioning component is mounted on the support plate, and the positioning component is used to clamp and position the workpiece. The positioning component is particularly suitable for precisely clamping and positioning small workpieces, effectively preventing insufficient machining accuracy. It performs excellently, and its flexibility and reliability make it widely applicable in various machining applications.

This application relates to a CNC milling machine for bottom milling, specifically in the field of bottom milling machine technology. It includes a milling mechanism for milling the bottom of a gas cylinder. The milling mechanism comprises an outer tube with a milling head disposed inside the outer tube. A fixing mechanism for securing the gas cylinder is disposed on one side of the milling mechanism. It also includes a protective mechanism and a support mechanism. The protective mechanism creates a closed water cavity environment around the milling head, allowing milling debris to fall directly into flowing water, preventing debris from adhering to the bottom surface of the gas cylinder and interfering with milling accuracy, thus ensuring the processing quality of the bottom milling operation. The support mechanism's outer support plate is held tightly against the inner wall of the gas cylinder, providing stable support for the outer cylinder and the milling head inside, preventing polarization caused by an excessively long drive shaft during milling head rotation. The support mechanism's inner pressure plate can press the area of ​​the outer cylinder near the baffle, generating inward pressure on that area of ​​the outer cylinder, reducing the gap between the outer cylinder and the baffle, and improving the sealing between them.

This invention discloses a composite CNC milling machine, relating to the field of workpiece machining technology. The composite CNC milling machine includes a milling machine body, inside which is a cleaning mechanism. The cleaning mechanism includes a rotating frame, which is movably connected to the inside of the milling machine body via a rotating shaft. A first filter screen is embedded inside the rotating frame, and first springs are fixedly connected to both sides of the bottom of the first filter screen. Through the design of the cleaning mechanism, when the first and second magnetic stones are within the magnetic attraction range, they will quickly attract each other. At this time, due to the sudden stop of the cleaning scraper, the scraper will flip upwards due to its own inertia. When the two contact, the scraper will compress the telescopic scraper due to the degree of its flipping, thereby cleaning and scraping away impurities on the surface of the scraper, thus facilitating more thorough collection of impurities from the surface of the first filter screen.

This invention relates to the field of milling equipment technology, and provides a low-vibration, high-precision CNC milling machine tool, including a base. A movable seat one is fixedly connected to the top side of the center of the base. A movable seat two is mounted on the top of the movable seat one. A T-shaped worktable is mounted on the top of the movable seat two. A positioning component is installed in the T-slot of the T-shaped worktable. A top frame is fixedly connected to the bottom of the top frame around the top of the base. Cleaning components for blowing debris from the worktable surface are provided on both sides of the top frame. Collection components are provided on both sides of the movable seat one for collecting the cleaned debris. A radial contraction linkage mechanism enables the air hose to automatically converge with the cutting feed, and supports multi-degree-of-freedom independent adjustment to eliminate blind spots in the blowing process. At the same time, the cleaning and collection components are linked in sequence, and the debris is automatically drawn into the chamber with the airflow, eliminating the need for manual cleaning. Furthermore, the coolant flow rate automatically increases or decreases with the load, balancing cooling effect and energy saving.

This invention relates to the field of composite machining equipment technology, and discloses a CNC milling composite machining equipment for machining ring grooves in hardware. The equipment includes a machine tool, a milling section located on the rear side of the machine tool, and a center support base mounted on the inner wall of the machine tool bottom, in front of the milling section. A gantry slide seat one and a gantry slide seat two are slidably mounted on the right side of the center support base from left to right. This CNC milling composite machining equipment for machining ring grooves in hardware effectively solves the problems in the prior art. When performing composite machining on flange gear shafts, the flange extends from the shaft end to form a cantilever structure. During milling the end face groove, the cutting force is perpendicular to the flange end face, causing bending vibration of the flange. Furthermore, during milling the annular groove, the cutting force is axial, leading to axial movement of the part and causing the depth accuracy of the annular groove to exceed tolerances. Simultaneously, the vibration generated during machining causes wavy grooves on the bottom of the groove and exacerbates tool wear.

This invention relates to a thread turning roughness control method integrating temporal knowledge graphs and digital twins, belonging to the field of machining process quality control. The method includes: 1. Establishing three-dimensional geometric models of the machine tool, cutting tool, and workpiece; 2. Building a machine tool motion control simulation environment; 3. Conducting thread turning experiments using a CNC milling and turning machine, collecting multi-source data information in real time during the turning process, and acquiring data via the MQTT protocol to complete the construction of a digital twin system for the turning process; 4. Real-time monitoring of the turning motion trajectory, thread forming process, and related machining signals, and roughness measurement to determine whether the thread roughness is acceptable; 5. Dynamically acquiring temporal knowledge and tracing quality problems through a temporal knowledge graph; 6. Associating historical data, locating key optimization points, optimizing parameters through optimization algorithms, and conducting experimental verification. This invention achieves control over thread surface roughness by constructing a temporal knowledge graph and combining it with a digital twin system.

The present application relates to the technical field of spacer bar processing equipment, and particularly relates to a numerical control milling equipment for milling spherical joints of spacer bars, which comprises a bearing assembly, a grabbing component arranged on the bearing box, a milling assembly and a finishing assembly, wherein the bearing assembly comprises a processing machine tool and a processing area, the processing machine tool comprises a main bearing bottom plate, the milling assembly comprises a rotating component arranged on the grabbing component and a cutter arranged on the processing machine tool, and the rotating component is provided with a cutter moving part, and the finishing assembly is arranged on the processing machine tool. Through the cooperative work of the bearing assembly, the milling assembly and the finishing assembly, high-precision processing of the spherical joints of the spacer bars can be realized, and the processing efficiency and product quality are improved.

An intelligent production line for integrated light steel box-type housing panels includes an uncoiling and forming device connected to a double-layer conveyor line. Along the material travel direction on the double-layer conveyor line are sequentially arranged an intelligent glue-applying device, an automatic panel-separating and conveying device, a robotic precision filling device, an automatic panel-flipping and assembling device, a constant temperature and pressure composite device, a CNC milling and chip-removing device, an intelligent reversing and flipping device, an automatic frame-forming device, and a finished product stacking and packaging device. This invention achieves fully automated and continuous production from raw material feeding to finished product stacking and packaging through the organic integration and intelligent collaborative control of all processes in the panel production process. It can flexibly adapt to various metal and non-metal panel materials and can switch between producing ordinary composite panels and integrated light steel box-type housing panels, effectively improving production efficiency and product quality, reducing production costs, and meeting the diversified and large-scale production needs of the prefabricated building industry.

This invention relates to the field of CNC machining measurement and correction technology, and discloses a method for correcting the machining surface of a CNC milling machining center. The method includes: establishing an original point cloud of the machining surface and extracting its feature structures; analyzing each feature structure to form a structured description list; inputting the list into a geometric growth model, and generating a virtual feature structure set through iterative evolution according to rules; extracting its contour and height field and rasterizing it, registering and fusing it with the reference surface equation, and obtaining a smooth intermediate geometric surface through variational calculation; adaptively resampling the intermediate surface to generate an intermediate point cloud; and finally, adaptively determining the weights based on the spatial frequency distribution of the topological residual field formed by the difference between the original point cloud and the intermediate point cloud, and weighted mixing the two to generate an optimized surface point cloud. This method achieves intelligent evolution of machining surface features and frequency domain adaptive data fusion, improving the accuracy of correction machining and the surface forming quality.

A fixture device for machining Niemann worm gears using seven-axis five-linkage CNC milling includes a fixture support friction-reducing disc. An oil spraying lubrication assembly is floatingly and fixedly mounted on the upper surface of the fixture support friction-reducing disc. The lower surface of the oil spraying plate has multiple through holes. A clamping assembly is fitted onto the fixture support friction-reducing disc through these through holes, facilitating high-speed rotation around the central axis following the friction-reducing disc. A lifting column assembly is fixed to the oil spraying lubrication assembly, a tailstock support assembly is fixed to the lifting column assembly, and a circumferential limiting assembly for the oil spraying plate is fixed to the ground inside the machine tool's working chamber. This invention is used for milling Niemann series worm gears on a seven-axis five-linkage CNC machine tool, ensuring smooth side milling and preventing worm gear deformation. The adjustable length of the lifting column assembly and tailstock support assembly allows the fixture to adapt to the machining of worm gears of various geometric sizes and shapes, highlighting the adaptability and versatility of the fixture for vertical milling of worm gears.

This invention relates to the field of CNC milling machine technology, specifically a high-speed CNC vertical milling machine, comprising a machine body, with a base fixedly connected to the bottom of the machine body. The base contains two sets of adjustment components and two sets of drive components, with one side of the drive components fixedly connected to one side of the adjustment components, and one side of the adjustment components fixedly connected to the machine body. When the movable plate pushes the disc to move, the connecting rod will lift the machine body, allowing for convenient fine-tuning of the machine body's height. When the movable plate pushes the mounting plate to move, rollers will extend from the base and contact the ground, supporting the device. This allows for convenient short-distance movement of the machine body or adjustment of the workshop layout without prolonged reliance on external auxiliary tools such as forklifts or lifting equipment. Furthermore, this device achieves both height fine-tuning and convenient movement functions through a single set of components, eliminating the need for two independent mechanisms, simplifying the structure and reducing costs.

The application provides a multi-axis numerical control linkage cutting forming machining device and relates to the technical field of numerical control cutting. The application discloses a multi-axis numerical control linkage cutting forming machining device and relates to the technical field of numerical control cutting. When the blank needs to be turned by more than 180 degrees, the blank back and lateral dead zone can be machined in single clamping without loosening the workpiece for re-clamping, the machining blind area caused by clamping coverage and posture limitation is eliminated, the number of auxiliary clamping is significantly reduced, the efficiency and continuity of multi-surface continuous machining are improved, the coverage and shielding of the clamping mechanism on the blank surface are solved, some machining areas are still inaccessible, the interference dead zone in the process is formed, and the problem that the full-milling of the blank cannot be realized by one-time clamping is solved.

This utility model discloses a CNC milling machine with easy chip removal, relating to the field of CNC milling machine technology. The utility model includes a milling machine: a collection component, a drive component, a transmission component, and a cleaning component are respectively arranged on the milling machine; the collection component is fixedly installed on one side of the milling machine to collect cutting fluid and chips generated during the milling process; the utility model drives the transmission component installed at the output end of the drive component to rotate, causing the transmission component to drive the internally installed cleaning component to reciprocate. Because the surface of the cleaning component is in contact with the inner wall of the collection component, when the cleaning component reciprocates, it can separate the chips filtered inside the collection component from the cutting fluid, thus facilitating the centralized collection and processing of chips, saving time and labor.

This invention relates to the field of milling machine processing technology, and discloses a fixed fixture for CNC milling of aerospace forging parts. The fixture includes a mounting frame, with an inclined housing mounted on the top of the mounting frame. Inside the housing are a first carrier plate and a second carrier plate, which respectively support the two sides of the part. A slot is provided on the top of the housing, which is adapted to the first and second carrier plates. This invention not only achieves significant reduction in processing auxiliary time by utilizing the coordinated action of a working surface flipping system and a part clamping flipping system, eliminating the need for manual disassembly and re-alignment during the entire process, but also achieves differentiated and stable support for the front and back sides of the part by setting the first carrier plate, the second carrier plate, and the adapted slot. Furthermore, by opening the first slot at the attraction end of the first and second electromagnets, it achieves contour-guided and limiting adsorption of the part.

A stringed instrument (10) with a stringed instrument body (14) and at least one string held on the stringed instrument body (14), wherein the stringed instrument body (14) consists at least partially of parts (22, 26, 28, 30, 44) which are manufactured by machining using a CNC machine, characterized in that the stringed instrument (10) further comprises a neck (16), a pegbox (18) and a scroll (20), each of which is formed in two parts and is realized in total on two neck halves (46, 48) which are formed symmetrically to a mirror plane (34), wherein each neck half (46, 48) is manufactured in one piece from a solid material by machining by CNC milling.