7results about How to "Improve profile accuracy" patented technology

The invention relates to the field of numerical control machining and computer-aided manufacturing software, and particularly discloses a honeycomb core six-axis ultrasonic cutting track digital control and interpolation optimization system which comprises a track preprocessing module, a parameterized spline interpolation module, a six-axis linkage inverse solution module, a dynamic feed-forward compensation module, an ultrasonic energy adaptive control module and a multi-source information fusion and decision module. By the adoption of the technical scheme, smooth and efficient interpolation of a track, dynamic feed-forward compensation of motion errors and self-adaptive adjustment of cutting energy can be achieved, and therefore the machining precision, the surface quality and the system stability are improved. According to the invention, ultrasonic energy control is originally incorporated into an overall trajectory control closed loop, and real-time accurate regulation and control of cutting energy are realized through the ultrasonic energy adaptive control module. The module is based on force, amplitude, temperature and other multi-sensor information, adopts fuzzy reasoning to intelligently decide output power, and ensures that cutting energy is constant and optimal under different processing conditions.

The invention relates to the technical field of PCBs, in particular to a method, a device, equipment and a medium for arranging the routing profile of a PCB. Comprising the steps that received original PCB shape data are preprocessed, preprocessed PCB shape data are obtained, and preprocessing comprises working layer verification, unit unification and basic line segment cleaning; identifying and classifying line segments and arcs in the preprocessed PCB shape data to obtain a source data identification result; based on the source data identification result, performing intersection point segmentation, zero-length line segment filtering and heavy line removal processing on line segments in the source data identification result, and performing opening direction correction, intersection point processing and small-radius arc processing on arcs in the source data identification result to obtain optimized processing data; and redrawing the optimized data and outputting the data as PCB gong path appearance data. Dependence on professional skills of operators is reduced, and the efficiency of automatic arrangement of the PCB routing profile is improved.

The present application relates to the technical field of optical glass manufacturing, and discloses an optical glass mold pressing forming method based on multi-zone non-isothermal gradient heating. The method divides the heating system of the mold pressing forming area into multiple independent temperature control zones, actively constructs a preset non-isothermal gradient temperature field that is geometrically suitable for the component before pressure forming, and guides the viscosity distribution of the glass material. In the pressure forming process, the temperature data of each temperature zone are collected in real time and compared with the dynamic target gradient, the heating power is adjusted based on the deviation closed loop, the actual temperature field intelligently follows the preset gradient, and the material flow filling is optimized. After forming, a gradient annealing cooling program with partition differentiation is executed, different cooling rates are set according to the thickness or stress risk of the region, and the internal stress is sequentially released. The present application actively and accurately regulates and controls the temperature field in the whole forming process, can effectively improve the surface shape precision of the optical component, reduce the residual stress and improve the surface quality.

The invention provides brake pad back plate blank stamping equipment, and relates to the technical field of brake pad back plate production. The brake pad back plate blank stamping equipment comprises a stamping machine and a material conveying platform, the material conveying platform is arranged at the position of a feeding port of the stamping machine, the brake pad back plate blank stamping equipment further comprises a die discharging table, and the die discharging table is fixedly arranged at the lower end of the inner side of a shell of the stamping machine. The discharging mechanism achieves rapid interception and discharging of waste through pushing blocks with different heights, and clamping stagnation caused by adhesion of the waste to a mold and a formed blank is avoided. The outlet is formed in the die blanking table, so that the back plate can quickly fall down and be taken out after being processed, the production efficiency is improved, the potential safety hazard of manual operation is eliminated, and the effect of quickly and automatically discharging waste materials and processed parts is achieved; the problems that waste materials and workpieces need to be manually taken out of the die after stamping, efficiency is low, and potential safety hazards exist are solved.

This invention relates to the field of superplastic forming, and particularly to a method and apparatus for ultrasonic vibration-assisted superplastic forming of titanium alloys. Step S1: Select the vibration frequency of the ultrasonic generator according to the type, thickness, size, and forming shape of different titanium alloy sheets; adjust the vibration amplitude of the ultrasonic vibration; and generate a suitable ultrasonic vibration mode by changing the transducer or amplitude transformer. Adjust the heating temperature, heating time, and output pressure of the gas source system of the heating furnace. This invention incorporates ultrasonic vibration-assisted forming during the superplastic forming process of titanium alloys. Under the combined action of high-pressure argon gas and ultrasonic vibration, the high-temperature yield strength and flow stress of the titanium alloy sheet, which has reached superplasticity after heating, are reduced, shortening the superplastic forming cycle. Applying ultrasonic vibration during the forming process improves its mold adhesion, thereby increasing the contour accuracy of the formed parts and the yield rate of the finished products.

This invention relates to the field of CNC machine tool precision control technology, and discloses a method and system for precision control of heavy-duty CNC machine tools. The method includes: constructing a unified state sample set and a basic error characterization model; performing spatial error partitioning modeling; performing partition boundary transition compensation processing on a preset machining trajectory; performing adaptive feedback correction based on a first compensation trajectory; correcting and controlling CNC commands during the formal machining process; and outputting a precision control result set. Compared to the existing technology that uses a single position compensation method, especially under the condition of machining large, irregularly shaped workpieces across the entire stroke, it cannot achieve the technical problem of boundary area compensation transition. This application, by constructing a unified state characterization model including spatial position, axis load, and workpiece weight distribution, combined with spatial error partitioning and boundary transition compensation, achieves partitioned, continuous, and dynamic precision control of heavy-duty CNC machine tools under the entire machining domain and multiple working conditions.

The application relates to the technical field of mechanical processing process control, and discloses a titanium alloy component processing deformation simulation compensation control method; the method is characterized in that: firstly, the titanium alloy component is clamped on a five-axis numerical control machining center, a corresponding relationship between a clamping unit, a supporting unit, a working condition sensing channel and a machining coordinate and a time reference is established; before cutting, an initial stress state description of a current in-process component is established according to clamping force disturbance and reaction force response; during the machining process, the stress state description is updated according to machining process nodes, and in the clamped cutting state and the loose clamped stable state, the tool deflection deformation and the stress release deformation are separated, and then the supporting amount, the tool position offset amount, the clamping force time sequence and the remaining machining allowance are adjusted; the application can improve the wall thickness consistency, the contour precision and the machining stability of titanium alloy thin-walled parts and frame overall structural parts.