14results about How to "Improve processing quality stability" patented technology

The invention discloses a crystallizer copper plate correction method based on digital twinning, which aims at solving the problem of deformation of a crystallizer copper plate caused by thermal stress and mechanical stress in the using process, realizes real-time monitoring and intelligent correction of the copper plate from a global perspective, and mainly comprises the following steps: constructing a digital twinning model of the crystallizer copper plate; performing multi-physics field coupling simulation by combining the structural characteristics and the use environment of the copper plate; on the basis of real-time data collected by a digital twin system, an improved genetic algorithm is used for online evaluation and pre-judgment of copper plate deformation; generating a correction scheme based on a self-adaptive control strategy, and performing intelligent correction on the copper plate in combination with an execution mechanism; and continuously updating the digital twin model through a feedback mechanism to realize closed-loop optimization of copper plate correction. Through the digital twinning technology, deformation of the crystallizer copper plate is accurately predicted and dynamically corrected, the service life of the copper plate is prolonged, the operation efficiency of the copper plate is improved, and the automation level and the production stability of metallurgical equipment are improved.

The invention belongs to the field of FPCs (Flexible Printed Circuit), and particularly discloses a reinforcing method of an FPC. According to the method, the boundary dimension of an FR4 reinforcing plate is designed to be 1.2 mm larger than the boundary dimension of a to-be-reinforced area on an FPC, then the FR4 reinforcing plate and the to-be-reinforced area on the FPC are sequentially attached and solidified to obtain a stacked plate, finally the stacked plate is sequentially subjected to rough punching and fine punching with the single-side allowance being 0.05-0.2 mm, and the FR4 reinforcing plate and the to-be-reinforced area on the FPC are sequentially subjected to rough punching and fine punching with the single-side allowance being 0.05-0.2 mm. And an FPC reinforcing product with the FR4 reinforcing plate having the same boundary dimension as the to-be-reinforced area on the FPC is obtained. According to the method, the defects of scraps and burrs generated in a conventional punching method can be overcome, the size precision and the qualified rate of products are improved, and the yield of the products and the machining quality stability of the products are improved.

The invention relates to a defect detection method and device applied to additive manufacturing and electronic equipment. The method comprises the steps that at least one layer of component material is printed on a manufacturing substrate, and multiple layers of component materials are stacked to form a target component; after any layer of component material is printed, defect detection is conducted on the component material on the current manufacturing substrate through air coupling ultrasonic guided waves; after defect detection is performed on a component material on a current manufacturing substrate through air coupling ultrasonic guided waves, at least one layer of component material is printed on the manufacturing substrate. According to the defect detection method, non-contact air coupling ultrasonic guided waves are adopted for defect detection in the additive manufacturing process, on the premise that the components are not damaged and the additive machining environment is not separated, the manufactured components can be detected in real time, the bonding condition between all layers of component materials is evaluated, and the defect detection accuracy is improved. The layering and debonding conditions of component materials are found in time, and the machining quality and the process stability of additive manufacturing are improved.

The invention provides an aero-engine typical feature machining database construction and use method, and relates to the technical field of aero-engine manufacturing, and the method specifically comprises the steps: dividing typical features of aero-engine family parts, carrying out the parametric modeling of the typical features, inputting equipment, tool and clamp information, and carrying out the machining of the typical features; optimized parameters are provided for programming software through physical simulation to generate an optimized numerical control program, typical features are processed, processing results are detected, and detection data are provided for an artificial neural network training model based on big data to obtain process information of the typical features; then the typical feature process information is automatically combined to generate process information of the part, after a database is built, a three-dimensional model with information such as materials and sizes is input, training measurement indexes of quality, efficiency or cost are determined, the database automatically recognizes typical features of the three-dimensional model, the sorted typical feature process information is searched from the database, and the process information of the part is obtained. Or part process information obtained after typical feature process information is combined.

The utility model relates to a tool, in particular to a low-pressure turbine working blade and blade crown integrated machining device. According to the technical scheme, the low-pressure turbine working blade crown integrated machining device comprises a base, a support, a tenon tooth clamp and a blade body clamp, the support and the tenon tooth clamp are arranged on the base, the blade body clamp is arranged on the side of the upper portion of the support, and the tenon tooth clamp and the blade body clamp are arranged on the base. The tenon tooth clamp is used for positioning tenon teeth of the low-pressure turbine working blade, and the blade body clamp is used for positioning a blade body of the low-pressure turbine working blade. According to the low-pressure turbine working blade crown integrated machining device, machining of the blade crown top face, the blade crown exhaust side face and the blade crown air inlet side face can be completed through one-time clamping, the machining time is shortened, it is guaranteed that the sizes of blades are relatively consistent in the same state, and the machining quality stability of the blades is improved.

The present invention relates to the field of lens production technology, in particular to an automatic lens processing system and method, which is used for lens processing of mobile phone shells. A boss is provided on the mobile phone shell, and a groove is provided on the boss. The groove is used to accommodate the lens, and the groove is provided with an assembly ramp for pressing the lens. The automatic lens processing system includes a lens feeding mechanism, a lens conveying line, a processing jig, a press-in assembly mechanism, a milling processing mechanism, a fine carving processing mechanism, and a polishing mechanism. The processing jig is provided on the lens conveying line, and the lens conveying line is used to drive the processing jig to convey through the press-in assembly mechanism, the milling processing mechanism, the fine carving processing mechanism, and the polishing mechanism in sequence. The present invention provides an efficient, stable and reliable solution for the processing of mobile phone shell lenses, which meets the requirements of the industrial manufacturing field for high-quality and high-efficiency production.

The application relates to the technical field of winding machines, and discloses a winding device which comprises a base, a rack arranged on the top outer side of the base, a spool centering mechanism arranged on one side of the top of the base, a spool fixing seat arranged on the other side of the top of the base, a cutting mechanism arranged on one side of the spool fixing seat, a wire guide mechanism arranged on one side of the cutting mechanism, a spool feeding mechanism arranged on the top of the rack, a feeding rack arranged on one side of the base and matched with the spool feeding mechanism, a conveyor belt arranged in the feeding rack, a conveyor belt driving motor arranged on one side of the feeding rack and matched with the conveyor belt, and a spool discharging mechanism arranged on one side of the feeding rack to realize the discharging of the spool. The winding device can realize the automatic and continuous operation of the whole winding process of the spool, thereby effectively improving the production efficiency and the winding product quality, and enhancing the operation stability and the application range of the device.

This utility model discloses an integrated roughing and finishing runway machining cutter head, comprising a disc-shaped base (1), with a roughing tool (2) and a finishing tool (3) arranged on the radial outer side of the base (1). The distance between the tip of the roughing tool (2) and the axis of the base (1) is less than the distance between the tip of the finishing tool (3) and the axis of the base (1). In the axial forward direction of the base (1), the tip of the roughing tool (2) is located in front of the tip of the finishing tool (3). There are two roughing tools (2), which are symmetrically distributed about the axis of the base (1). Planar notches (4) are provided on both radial sides of the base (1), and the finishing tool (3) is fixed to one of the planar notches (4). This utility model has the advantages of high machining efficiency and good machining quality stability.

The application provides a laser head cooling device and a laser head, and relates to the field of lasers; wherein the laser head cooling device comprises a first seat body and a second seat body; the first seat body is provided with a communication hole and a groove; the communication hole is provided through the first seat body along a laser emission direction; the groove is provided around the first seat body, and the groove is provided in a direction away from the communication hole; the second seat body is provided with a mounting hole and a through hole which are communicated with each other; the mounting hole and the through hole both extend along the laser emission direction; the first seat body is mounted in the mounting hole; the communication hole is communicated with the through hole; and the groove and the hole wall of the mounting hole jointly define a cooling water channel. The laser head cooling device is composed of the first seat body and the second seat body; the laser is emitted from the communication hole and the through hole, and heat is generated; the cooling water channel is used for directly cooling the heat; the heat dissipation requirement of the laser head under high-power operation can be met; and the machining quality and the equipment stability are improved.

The utility model relates to the field of wood and wood composite material cutting processing, in particular to an anti-tipping diamond circular saw blade which comprises a cutter body. The corundum saw grinding layer is fixedly arranged on the side wall of the outer circle of the cutter body in a circular strip shape; the cutter tooth assembly is fixedly connected to the side wall of the outer circle of the corundum saw grinding layer and comprises cutter teeth; the cutter teeth comprise the pre-cutting cutter teeth, the rough trimming cutter teeth and the fine trimming cutter teeth, due to the arrangement of the three kinds of cutter teeth, the tipping possibility of the diamond cutter teeth is reduced, the impact resistance of the diamond cutter teeth is improved, the sharpness of the rough trimming cutter teeth and the fine trimming cutter teeth is kept, and the possibility of edge breakage at the edge of the veneer shaving board is reduced; and the saw grinding layer is added after secondary fine trimming, so that the uneven saw line wall of the veneer shaving board with a multi-layer structure can achieve relatively consistent surface quality, and the problem that the machining quality of the saw line wall is uneven is solved.

The present application provides an aluminum alloy, a preparation method thereof and an application thereof. The preparation method of the aluminum alloy comprises the following steps: aluminum liquid smelting, casting, homogenization, extrusion and pipe drawing and heat treatment. By adding beryllium element to pure aluminum, the melt absorption tendency is reduced during the aluminum liquid smelting process, and the air entrainment, inclusion and burning of the aluminum alloy are greatly reduced. Then, by heat treatment at 220℃-280℃, a large amount of spheroidized β (Mg2Al3) phase can be formed in the aluminum alloy crystal, and dispersedly distributed on the α (Al) phase, so as to improve the hardness of the aluminum alloy itself. After the aluminum alloy is prepared into a lens mount for a single-lens reflex camera, the tolerance grade of the mount can be controlled below IT0, the roughness of the mount surface can be reduced, the amount of chip entanglement of the tool head during the CNC process of the mount can be reduced, the difficulty of CNC processing can be reduced, the processing quality and dimensional stability of the mount can be improved, the quality of the mount can be improved, and the shaking of the mount during the assembly process can be avoided, so as to significantly improve the user experience.

The application provides a kind of based on multi-axis linkage's precision milling closed loop optimization and real-time control process of screw rod, including collecting workpiece geometric parameters, material properties and machine tool dynamics parameters, designing tool and fixture scheme, and setting initial machining parameters based on cutting database;Utilize NURBS curve to construct high-precision curved surface model of screw rod helical groove, optimize path through curvature adaptive discretization and quintic spline interpolation;Adopt real number coding genetic algorithm to iteratively optimize idle stroke path, shorten total path time and reversing frequency;Realize multi-axis synchronous control through inverse kinematics solution, and dynamically adjust tool inclination angle based on contact angle in real time;Use virtual simulation and finite element analysis to predict cutting force, thermal deformation and interference risk.The application generates continuous smooth multi-axis synchronous command, effectively reduces the positioning error of each axis, and dynamically corrects the tool inclination angle through the force feedback of the contact angle, effectively suppresses the cutting force fluctuation, and ensures that the roughness of helical groove tooth surface meets the requirements.

This utility model relates to the field of diamond grinding and processing technology, and in particular to a fixture for diamond grinding and processing. It solves the problem that in the prior art, due to the uneven surface of diamond tools, traditional fixtures are difficult to use for positioning and clamping, making it difficult to achieve a secure hold, leading to tool wobbling during grinding and affecting processing quality. A fixture for diamond grinding and processing includes a processing table, a support base fixedly mounted on the top of the processing table, a rotating component fixedly mounted on the top of the support base, and a positioning component fixedly mounted on the top of the rotating component. This utility model uses a first cylinder and a second cylinder to drive the fixture assembly with an elastic buffer structure. Utilizing a telescopic rod, a return spring, and rubber chucks, it can adapt to the uneven surface of the diamond grinding tool, achieving a tight fit at multiple contact points, thus solving the problem of unstable fixation caused by poor surface adaptability in traditional fixtures.

The invention discloses a novel copper-tungsten alloy material and a preparation process thereof, and the novel copper-tungsten alloy material comprises the following components in percentage by mass: 60-90% of tungsten powder; 0.001 to 0.05 percent of pretreated tellurium powder; the balance of copper powder; the pretreated tellurium powder is composed of 0.1-0.2% of molybdenum disulfide nano powder and the balance tellurium powder; the preparation process comprises the following steps: S1, tellurium powder pretreatment: S1-1, particle size regulation and control, S1-2, anti-agglomeration treatment, S2, copper-tungsten-tellurium composite powder mixing and pretreatment: S2-1, weighing and batching, S2-2, ball milling and mixing, S2-3, process monitoring and post-treatment, and S3, compression molding and vacuum sintering. The particle size of the tellurium powder is regulated and controlled, and the molybdenum disulfide nano powder is used for anti-agglomeration pretreatment, so that the excellent dispersity of the tellurium powder is ensured; by means of multi-stage temperature-controlled vacuum sintering, tellurium volatilization is effectively inhibited, formation of a compact alloy structure is promoted, the technical problem that tellurium element is prone to volatilization and agglomeration is solved, and the cutting machining performance is remarkably improved while high electric conductivity and heat conductivity of the material are kept.