93results about How to "Guaranteed processing stability" patented technology

The invention relates to the technical field of machine tool machining, in particular to a dynamic compensation method for machining precision of a turn-milling composite machine tool, which is characterized in that deep learning is performed on time series data by using an error prediction LSTM model, and a system can identify hidden modes and laws in a machining process and is suitable for processing complex data with time series. The relevance among temperature, vibration and displacement can be effectively analyzed and converted into accurate error prediction; and the cutting parameters are dynamically adjusted through the error prediction numerical value, so that the effect of dynamically compensating the machining precision is achieved.

The invention discloses a floating deburring tool and a part deburring method.The deburring tool comprises a rod handle, a connecting sleeve, a tool bar, a nut, a clamping sleeve, a tool bit and an adjusting mechanism, the rod handle and the tool bar are connected through the connecting sleeve, the clamping sleeve is clamped to the upper middle end of the tool bit, and the clamping sleeve is fixedly connected to the tool bar through the nut; the upper end of the tool bit sequentially penetrates through the nut and the tool bar and is connected with an adjusting mechanism arranged in the connecting sleeve, and the adjusting mechanism can drive the tool bit penetrating through the tool bar to achieve radial and axial floating along the central axis of the connecting sleeve. By the adoption of the deburring tool and the part deburring method, the burr and flash grinding treatment requirements of different parts can be met, the deburring tool is simple in structure and convenient to assemble and disassemble, and products obtained through deburring are good in consistency, high in efficiency, stable in product machining, high in reliability and suitable for application and popularization.

The invention discloses a cold-drawing processing device suitable for thin-wall stainless steel pipes, which comprises a basic frame, a discharge connecting frame is arranged on the outer wall of one end of the basic frame, a mold mounting frame is embedded in the middle of one end of the basic frame, a mold adjusting frame is sleeved in the mold mounting frame, and a cold-drawing mold is arranged in the mold adjusting frame. An external magnetic impurity removal mechanism and an internal rotary impurity removal mechanism are arranged on the end surface of the mold mounting frame; according to the invention, automatic cold-drawing processing of the thin-wall stainless steel pipe can be realized, the feeding bracket is adjusted according to the size of the steel pipe, uniform-speed processing is ensured, the quality is ensured, scrap accumulation and surface loss can be monitored in real time, a cleaning or maintenance signal is automatically triggered, and corresponding measures are taken according to different conditions; the continuity and the stability of production are ensured; and corresponding measures are taken according to different conditions.

The invention provides a flexible braided electrode and an electrochemical polishing method for a complex inner channel, and belongs to the technical field of electrochemical machining. The flexible braided electrode is formed by mutually braiding a plurality of flexible conductive wires and a plurality of flexible insulating wires according to a certain interval, the diameter of the insulating wires is larger than that of the conductive wires, and steps with a certain height are naturally formed between the insulating wires and the conductive wires, so that short-circuit burn caused by contact between the conductive metal wires and an inner channel can be avoided, mass transfer can be enhanced, and product discharge can be accelerated; the flexible woven electrode is of a hollow net-shaped cylindrical structure, internal and external compound flushing can be achieved, and the flushing effect is improved. During polishing, the flexible braided electrode can be bent and deformed in a bent inner channel in a self-adaptive manner, internal and external compound flushing is performed by utilizing the internal and external through characteristic, and electrochemical polishing of the complex inner channel is realized by combining rotation and reciprocating motion of the electrode. The invention provides the flexible braided electrode with ingenious conception, and the flexible braided electrode is supplemented with an innovative process method, so that high-efficiency and high-quality finishing of a complex inner channel can be realized.

The invention belongs to the technical field of sheet metal machining, and particularly relates to a sheet metal part combined machining center which comprises a panel, a cabinet fixedly connected to the bottom of the panel, a toothed net plate fixedly connected to the panel, meshes of the toothed net plate communicating with the interior of the cabinet, and a laser cutting component arranged at the position, corresponding to the toothed net plate, of the panel. A rotating shaft is rotationally connected into each sliding block, buckling plates are fixedly connected to the two ends of each rotating shaft, a plurality of positioning protrusions are arranged on the surfaces of the buckling plates according to the laser cutting requirement, two sliding grooves are formed in the positions, located on the two sides of the tooth net plate, of the surface of the panel, the sliding blocks are slidably connected into the sliding grooves, and a plurality of sets of drilling machining parts are arranged on the surface, away from the positioning protrusions, of each buckling plate. By driving the buckling plate to be overturned and buckled, positioning and drilling machining are achieved, the plate is pulled to move towards one end while drilling machining is conducted, secondary feeding and secondary laser machining are facilitated, accordingly, laser machining and drilling machining are conducted at the same time, and the machining efficiency is improved.

The invention belongs to the technical field of aluminum alloy electroplating, and particularly relates to a preparation method of a silver coating of aluminum and aluminum alloy. The preparation method of the silver plating layer of the aluminum and the aluminum alloy comprises the following steps that the aluminum or the aluminum alloy is sequentially subjected to alkali etching, primary acid pickling, primary zinc dipping, secondary acid pickling, secondary zinc dipping, copper plating, silver pre-plating and cyaniding silver plating; wherein during copper plating, a copper plating solution comprises 30 g / L to 40 g / L of CuCN and 50 g / L to 60 g / L of NaCN; a silver pre-plating solution in the silver pre-plating process comprises 2-3 g / L of AgCN and 90-100 g / L of KCN, the current density in the silver pre-plating process is 0.3-0.6 A / dm < 2 >, and the silver pre-plating time is 1-2 min. And by controlling electroplating process parameters of copper plating and silver pre-plating in the electroplating process, the compactness of the plating layer is improved, the capability of resisting water vapor and the like is effectively enhanced, and then the corrosion resistance of the silver plating layer is improved.

The invention discloses a biopsy forceps head assembly and a biopsy forceps. The forceps head assembly includes a forceps head support, a first forceps head, a second forceps head, a limiter, a pulling mechanism and a rivet; the first forceps head and the second forceps head are arranged opposite to each other in a long groove of the forceps head support; the forceps handle of the first forceps head, the forceps handle of the second forceps head and the front end of the pulling mechanism are riveted by a rivet; the pulling mechanism extends backward from the tube cavity of the hollow tube of the forceps head support; a limiter is arranged between the first forceps head and the second forceps head, and the two ends of the limiter are respectively fixed to the first support and the second support of the forceps head support; the pulling mechanism is pushed forward, and the front ends of the first forceps head and the second forceps head are opened under the action of the limiter; the pulling mechanism is pulled backward, and the first forceps head and the second forceps head are closed under the limitation of the forceps head support. The above-mentioned biopsy forceps only push and pull the first forceps head and the second forceps head through the pulling mechanism, and the structure is simple, the assembly is convenient, and a small-sized biopsy forceps can be realized.

The application provides a double-station worktable for CNC, and particularly relates to the technical field of CNC machine tool auxiliary equipment, and comprises a CNC main body, an inner platform and a tool head unit, and further comprises a double-shaft switching mechanism arranged between the outer side of the CNC main body and the inner platform, wherein the double-station worktable for CNC; the double-shaft switching mechanism composed of an X-axis displacement component, a Y-axis displacement component and a sinking fastening component is arranged, so as to solve the defects of the existing technology, such as the jamming misplacement caused by the single guide rail alignment of the multi-station switching, the lack of special connection structure, the non-separation of the carrier and the guide rail during the processing, the vibration transmission affecting the precision, and the like, to realize the cooperative action of the X-direction bearing movement of the jig table, the Y-direction smooth connection and the locking of the processing position sinking, and the double-station switching does not need complex debugging, so that the equipment downtime is greatly reduced, and the processing precision and stability are ensured.

The invention discloses a workpiece clamping device and method, and belongs to the technical field of machine tool part machining, the workpiece clamping device comprises a base, a plurality of clamping assemblies are arranged on the upper portion of the base, and each clamping assembly comprises a suction mechanism and a clamping jaw mechanism; the clamping jaw mechanism comprises a clamping jaw seat fixedly connected with the base, a clamping jaw is arranged on the clamping jaw seat in a sliding fit mode, and a clamping jaw driving mechanism is arranged between the clamping jaw and the clamping jaw seat. The suction mechanism is in sliding fit with the base, and a fastener is arranged between the suction mechanism and the base; a shifting fork mechanism is fixedly arranged on the suction mechanism and comprises a rotatable shifting fork; in the same clamping assembly, when the shifting fork rotates to the position where the clamping jaw is clamped, the suction mechanism and the clamping jaw achieve synchronous linkage, and when the shifting fork rotates to the position where the clamping jaw is loosened, the suction mechanism is disengaged from the clamping jaw. According to the tool, workpieces of different sizes and models can be tightly sucked and clamped, so that the number of needed tools is reduced, and the cost and the occupied area of the tool are reduced.

This application relates to the field of insulating materials, specifically disclosing a flexural insulating material, its preparation method, and a robot cable, comprising the following raw materials in parts by weight: 50-80 parts of low-density polyethylene, 30-40 parts of medium-density polyethylene, 30-40 parts of ethylene-tetrafluoroethylene-perfluoropropyl vinyl ether terpolymer, 1-20 parts of filler, 3-8 parts of compatibilizer, 0.1-5 parts of crosslinking agent, and 0.1-5 parts of co-crosslinking agent. This invention addresses the performance shortcomings of existing insulating materials, achieving a balance of flexural resistance, abrasion resistance, insulation stability, and excellent flexibility, thus meeting the stringent requirements of high-frequency cables used in robots / manipulators.

The present invention relates to an automatic control system for a milling and drilling compound machine tool based on double-ring buckle production, comprising a frame body, a processing component, a central control unit, a cooling device and an image acquisition component, wherein the frame body is used to support the frame body and the machine tool components, the processing component is arranged on the frame body, and is used to perform a milling and drilling compound process, the processing component comprises a cutter head for milling and drilling and a pressure sensor arranged at the upper end of the cutter head and capable of detecting the pressure borne by the cutter head, the image acquisition component is used to perform image acquisition of a workpiece to be processed and the processing component located on the processing component, the central control unit is connected to the processing component and the image acquisition component respectively, and can determine the current rotation speed and feed speed of the cutter head according to the pressure detected by the pressure sensor, and re-determine the re-determined feed speed through the detection result of an infrared imaging device. The present invention is more intelligent for the adjustment of milling and drilling processing.

The application discloses a variable-frequency-power-frequency automatic switching energy-saving system and method, and belongs to the technical field of motor control, which comprises the following steps: in the variable-frequency starting stage, a motor is driven to run at variable speed by a frequency converter; when the motor reaches full frequency, high power and stable operation, a control device controls the output voltage of the frequency converter to be synchronous with the grid voltage, and the switching to the power-frequency grid is completed when the phases are consistent; when the load decreases and needs to be reduced, the control device starts the frequency converter to make the output voltage of the frequency converter synchronous with the counter electromotive force of the motor in the power-frequency operation, then performs a back switching operation, the motor in rotation is smoothly connected by the frequency converter, and speed reduction control is implemented, and finally the variable-frequency speed regulation operation state is returned; the application realizes automatic selection of the optimal operation mode according to the actual load, avoids energy loss of the frequency converter in the high-speed area, and ensures that the impact on the motor and the grid in the switching process is minimum.

The invention discloses a photoetching mask process window analysis method and system, and belongs to the technical field of photoetching processes, and the method comprises the following steps: collecting exposure process parameters, photoetching pattern parameters, window evaluation parameters and auxiliary parameters to construct an exposure analysis vector; selecting historical exposure analysis vectors to form a historical vector set, and constructing a sensitivity matrix; a real-time feature vector is constructed through online detection, and the current process state is judged in combination with a sensitivity matrix so as to identify window abnormity; once the window is identified to be abnormal, through multi-exposure condition simulation, constructing an index simulation value corresponding to a process window index for each group of exposure parameters, and screening an optimal exposure regulation and control group; converting the optimal exposure regulation and control group into an exposure execution instruction, and issuing the exposure execution instruction to execute exposure operation; and after the exposure operation is completed, deviation comparison verification is carried out, and a case sample is constructed to iteratively update the sensitivity matrix, so that the process suitability and the prediction precision are improved, and the automatic production requirement of a photoetching mask preparation production line is effectively met.

The utility model relates to laser cutting equipment technical field, concretely relates to a synchronous telescopic load platform. The utility model provides a synchronous telescopic load platform, including base, the slide rail mechanism of setting in the both sides of base and with the support mechanism of slide rail mechanism connection, the slide rail mechanism includes the horizontal setting guide rail, the fixed slide block of being fixed in the one end of guide rail and with the mobile slide block of guide rail sliding connection, the bottom of fixed slide block and mobile slide block passes through telescopic connecting rod and constitutes articulated structure, the support plate that the support mechanism includes the support strip of being located fixed slide block and mobile slide block on and being fixed on support strip. This load platform passes through the support structure design of synchronous telescopic, solves the problem that the spacing of traditional load platform support plate is not adjustable, the replacement of replacement tooling is complicated and the waste material is difficult to discharge, improves the processing flexibility and efficiency of laser cutting equipment.

The invention discloses a machining cooling liquid atomization device capable of discharging mist uniformly, and belongs to the technical field of machining cooling, the machining cooling liquid atomization device comprises a base, the inner side of the base is provided with a cavity, the front side of the cavity is provided with a liquid spraying adjusting mechanism, the other side of the cavity is provided with a liquid distribution disc, and the side, close to the liquid spraying adjusting mechanism, of the liquid distribution disc is communicated with a material mixing mechanism; the exterior of the base is connected with a drive control mechanism. According to the liquid spraying device, the second nozzles on the rotating inner side of the liquid spraying ring can make contact with the guiding cavity outside the guiding ring, and at the moment, cooling liquid sprayed out of the second nozzles can be fed into the first nozzles on the rear side through the pipelines on the rear side of the guiding cavity; cooling liquid can be sprayed out towards the outer end at an inclined angle to conduct spray cooling on the cutting face located on the outer side, the liquid spraying angle of the cooling liquid is adjusted through rotation of the guide ring, and through angle-adjustable spray cooling, the cooling spray adaptability to different special-shaped faces is improved, and the machining stability is ensured.

This application discloses a vision-based sheet metal processing control system and method, relating to the field of vision inspection. The system includes: predicting stress distribution during processing based on initial processing path data to obtain predicted stress distribution data; adjusting and evaluating processing parameters based on the predicted stress distribution data to obtain a preliminary processing control parameter set; acquiring real-time processing environment data; identifying environmental factors affecting the predicted stress distribution data to obtain temperature and humidity-related material deformation influencing factors; performing environmental adaptability correction on the preliminary processing control parameter set to obtain environmental processing control parameter data; constructing a real-time processing control model based on the environmental processing control parameter data to obtain a dynamic optimization control model for sheet metal processing; and deploying the dynamic optimization control model to the machine tool control equipment to execute sheet metal processing control. This application improves the efficiency of sheet metal processing control.

The utility model relates to the technical field of mold fixing, and discloses a convenient fixing device based on mold manufacturing, which comprises a fixed seat, a movable plate is slidably connected in the fixed seat, a mounting plate is fixedly connected to the bottom of the fixed seat, and a hydraulic cylinder is fixedly connected to the right part of the mounting plate. A fixed block is fixedly connected to the output end of the hydraulic cylinder, a movable plate is fixedly connected to the upper portion of the fixed block, a motor frame is fixedly connected to the bottom of the fixed block, a second motor is fixedly connected to the interior of the motor frame, a rotating shaft is fixedly connected to the output end of the second motor, and a rotating table is fixedly connected to the upper portion of the rotating shaft; the bottom of each rotary table is fixedly connected with a limiting assembly. According to the utility model, the die can be effectively driven to rotate, the position and the rotation angle of the die can be accurately controlled, the die can be quickly pressed and fixed, and the stability of the die in the machining process can be ensured.

This utility model discloses an adjustable-height support fixture device, belonging to the field of support fixture technology. It includes a support frame with a parallel operating platform and an auxiliary plate arranged sequentially from top to bottom. A first height adjustment mechanism is provided on the surface of the support frame to adjust the height of the operating platform. Multiple placement grooves are formed on the side of the auxiliary plate near the operating platform, each groove containing multiple ball bearings. Multiple through holes are formed on the surface of the operating platform corresponding to the positions of the ball bearings. A second height adjustment mechanism is provided on the bottom surface of the auxiliary plate, allowing it to move vertically relative to the bottom surface of the operating platform. A dustproof film is provided on the surface of the through holes, with a cross-shaped cutting edge at the center of the dustproof film. This design extends the service life of the device while ensuring the processing stability of the workpiece.

The utility model relates to twin screw extruder technical field, concretely is a kind of extruder granulating mechanism, including head, the extrusion end of head is equipped with granulating shell, and the side top of granulating shell is provided with the clamping groove that is attached in the outer wall of head, the bottom of granulating shell is designed as discharge gate, the other side of granulating shell is fixedly installed with motor, and the output shaft of motor is fixedly installed with the shaft, the outer wall one end of the shaft is fixedly installed with annular rotary drum, and the outer wall one side of annular rotary drum is fixedly installed with the cutter of equidistance distribution, the outer wall other side of annular rotary drum is provided with heating assembly;The utility model ensures cutter to keep appropriate temperature, avoid molten material to stick because cutter temperature is too low, and the heat in head heating groove is transferred to annular heating cylinder inside, auxiliary maintenance heating assembly's operation, without heating assembly excessive energy consumption, improve heat transfer efficiency, form double temperature guarantee to cutter, ensure processing stability.

A CBS hydrogen peroxide oxidation endpoint detection method belongs to a chemical synthesis detection technology, realizes direct, real-time and accurate determination of an oxidation endpoint through a closed-loop system of in-situ potential signal, ultraviolet absorption signal and dissolved oxygen concentration multi-dimensional signal acquisition, on-line lightweight verification and dynamic model self-correction, does not need off-line sampling in a reaction process, and is simple in operation and convenient to operate. The total detection response time is not longer than 5 s, the end point judgment accuracy is high, the misjudgment risk is low, the automation degree is high, the process stability is high, and the method is suitable for CBS industrial continuous production.

The application discloses a kind of low morbidity feed for California bass antibiotic-free breeding and preparation method thereof, belong to aquatic feed field.The feed is composed of 60~80 parts of basic feed component, 10~20 parts of fermented plant protein, 2~6 parts of functional compound additives.Fermented plant protein is prepared by compound fermentation of butyric acid clostridium and bacillus subtilis from soybean meal, bran, rice bran, brown sugar and the like.Functional compound additives include pre-embedded material and microcapsule coated sodium butyrate, and the pre-embedded material is prepared by embedding treatment of astaxanthin, lutein and rosemary extract with β-cyclodextrin and gum arabic.The application significantly reduces the incidence of intestinal inflammation of California bass through the synergistic effect of fermented plant protein, pre-embedded antioxidant combination and microcapsule sodium butyrate, enhances antioxidant capacity, improves body color, improves the stability of active ingredients and feeding rate, and realizes low morbidity under antibiotic-free breeding conditions.

The utility model discloses a kind of stripping devices of cable processing, including lower plate, the bottom of lower plate is equipped with support column for fixing the device on workbench, support column bottom is equipped with fixed hole, screw can be engaged with fixed hole meshing connection from workbench bottom, the top of lower plate is equipped with lower heat insulation plate, lower heating plate is fixed in the top of lower heat insulation plate, the upper plate that can move downward is equipped above lower plate, the bottom of upper plate is equipped with upper heat insulation plate, the bottom of upper heat insulation plate is fixed with upper heating plate, upper heating plate, lower heating plate can be mutually pasted together to carry out heating to cable outer skin, the lower side of upper plate is equipped with scraper, which can scrape the surface where the bottom of upper heating plate is located, the device is heated by lower heating plate, upper heating plate pasting, can quickly soften cable outer skin, improve stripping efficiency;Support column and fixed hole design is convenient for device stable installation on workbench, guarantee processing stability, prevent upper plate from moving with lower plate when driving upward.

The application discloses a bicycle upper fork processing technology and equipment, and belongs to the field of bicycle upper fork processing. The application comprises a support frame, a processing platform fixed on the support frame, a welding assembly arranged on the processing platform, a clamping assembly arranged on the processing platform, a limiting assembly arranged on the processing platform, a moving assembly arranged on the processing platform and a dust suction assembly arranged on the moving assembly. The application can cut the upper fork pipeline through the welding assembly, and the clamping assembly can fix the pipe fitting to prevent displacement. The limiting assembly can move the circular pipe without fixing the size, can be inserted into the pipe fitting for support, can be adapted to pipe fittings with different diameters, does not need to stop and change the pipe fitting, improves the efficiency, avoids the decrease of positioning accuracy, guarantees the consistency of the cut, stably inserts the limiting assembly through the moving assembly, enhances the processing stability, and automatically collects the waste pipe through the dust suction assembly, so that manual sorting is not needed, and the waste pipe is prevented from being accumulated to affect the operation.

The utility model discloses a lubrication type seamless sleeve and a processing device, the lubrication type seamless sleeve comprises a sleeve body (1), the middle part of the sleeve body (1) is provided with a round hole, a plurality of blind grooves (2) formed by stamping are annularly distributed on the periphery of the inner wall of the round hole, the blind grooves (2) are strip-shaped, the section curve of each blind groove (2) is formed by connecting a first circular arc line (3) and a second circular arc line (4), and the first circular arc line (3) is connected with the second circular arc line (4). The second arc lines (4) are symmetrically arranged on the two sides of the first arc line (3) and smoothly connected with the first arc line (3), the groove width of the blind groove (2) is gradually increased from inside to outside in the depth direction, connecting arc faces (5) are formed between the two ends of the blind groove (2) and the inner wall of the barrel body (1), and gaps are reserved between the connecting arc faces (5) and the end faces of the barrel body (1). According to the utility model, the blind slot in the seamless sleeve can be directly punched and formed, so that the processing cost is reduced, and the processing efficiency is improved.

The present invention belongs to the field of automation control technology, and specifically is an industrial automation equipment control system based on a smart network, wherein the system includes a processor, a machine tool status monitoring module, an adaptive control module, a sustainability evaluation module and an early warning terminal; the present invention uses a pre-processing analysis module to perform analysis based on a clamping judgment symbol and a tool judgment symbol, and enables a CNC machine tool to process a workpiece when a qualified preparation signal is generated, thereby ensuring the processing stability and processing effect of the CNC machine tool, and during the processing, the machine tool status monitoring module collects the working status data of the CNC machine tool in real time, the adaptive control module optimizes the CNC machine tool processing process based on the working status data, and uses a sustainability evaluation module to perform an operation sustainability analysis on the CNC machine tool, and enables the CNC machine tool to rest in time when a low sustainability signal is generated, thereby further ensuring the quality and efficiency of the processed products, and having a high level of intelligence and automation.

This utility model discloses a deburring fixture for steel pipe processing, comprising two grinding machines, each grinding machine having a movable grinding disc, and further comprising: a clamping mechanism, disposed between the two grinding machines, for rotating and transporting multiple steel pipes, and individually clamping the steel pipe at the grinding position during transport to maintain its stability during the grinding process; an adjusting mechanism, connected to the bottom of the two grinding machines and the clamping mechanism respectively, for adjusting the distance between the two grinding machines and the clamping distance of the clamping mechanism; and a guiding mechanism, fixedly connected to one side of the clamping mechanism, for guiding the ground steel pipe and removing debris from the ground surface of the steel pipe through vibration. The deburring fixture for steel pipe processing disclosed in this utility model ensures processing stability while shortening the clamping time required, thus improving work efficiency.

This invention belongs to the field of grinding and surface finishing technology, and relates to a follow-up resonant grinding and foreign matter removal device and process for power supply cables. The device includes a precision resonant actuation mechanism, a contour grinding head, a grinding impedance detection unit, and a frequency conversion grinding control center. Based on the electromechanical coupling impedance signal, the control center tracks the mechanical resonant point through phase-locked logic and adjusts the drive signal frequency, so that the contour grinding head with its segmented, clamping structure is in a resonant grinding state with the foreign matter on the surface of the power supply cable. The high-frequency vibration of the inner abrasive layer performs micro-cutting and shearing peeling of the foreign matter; and adaptive mode switching is achieved based on the dynamic characteristics of the impedance spectrum. This invention achieves non-destructive precision micro-grinding, efficiently removes ice buildup and improves the surface finish of the workpiece, avoiding damage from traditional rigid scraping, and is suitable for cleaning the surface of power supply cables such as cables.

The application discloses an anti-white-spot optical coating and a preparation method thereof, and relates to the technical field of coating, which comprises a resin matrix and functional particles dispersed in the resin matrix, the particle size of the functional particles is 5-10 microns, the reflectivity of the optical coating is greater than or equal to 95% at a wavelength of 550 nm, the coating adhesion reaches 5B level according to the hundred-grid method, the coating pencil hardness is greater than or equal to B level, and the optical coating is free of white spots after being tested and lightened. The anti-white-spot optical coating and the preparation method thereof adopt a high-toughness and high-adhesion glue resin system as the resin matrix, and select the functional particles with a particle size of 5-10 microns, the interface bonding force between the functional particles and the resin matrix is optimized, the functional particles are uniformly dispersed in the resin matrix and form stable interface bonding, stress concentration and interface debonding are effectively avoided, and the generation of white spots is inhibited from the root. After testing, the coating is free of white spots when being lightened, and the anti-white-spot reliability of the coating is remarkably improved.

The invention relates to the technical field of filling automation control, in particular to a cosmetic filling control method based on a large model knowledge graph, which comprises the following steps: acquiring an actual filling rate to determine a dynamic filling efficiency index, and determining whether the filling efficiency is stable based on the dynamic filling efficiency index. Determining the abnormal level of the filling efficiency in combination with the nitrogen filling response delay; determining that the filling efficiency is reduced due to the fact that moisture absorption raw material components are influenced by environmental factors to change the viscosity of a material body based on the combination of the viscosity-temperature sensitivity coefficient and the actual viscosity of a product and the environmental humidity, and adjusting a temperature set value of a compression area; the actual response time for adjusting the nitrogen flow is obtained to determine a response efficiency index, whether the comprehensive efficiency of nitrogen charging meets the expectation or not is determined based on the response efficiency index, and the calibration delay for determining the abnormal level of the filling efficiency is adjusted. The filling process is regulated and controlled on the basis of the product characteristics of cosmetics needing to be filled and the characteristics of filling equipment.

The invention belongs to the field of aviation casing machining, and particularly relates to a method for selecting non-uniform distribution clamping positions of a split casing, which comprises the following steps of: firstly, establishing a finite element simulation model, then preliminarily determining the non-uniform distribution clamping positions of parts, specifically, respectively arranging two clamping positions on split casing parts on two sides of a horizontal mounting edge of the casing part, other clamping positions are uniformly distributed on the rest parts of the circumference of the cartridge receiver part; the method comprises the following steps of: selecting a clamping position, performing finite element simulation analysis, adjusting the clamping position according to a simulation result, iteratively optimizing the clamping position into an optimal state, and finally completing the manufacturing and test verification of a tool according to the optimized clamping position. The method can be applied to the selection of the clamping position when a part is a split casing, and because a horizontal mounting edge is a weak point of the part, the machining precision is greatly improved. By means of the method, the clamping reliability of the split casing can be guaranteed, part deformation can be controlled, and it is guaranteed that the free state of a product meets the design requirement.