338results about How to "Improve processing stability" patented technology

The invention provides a self-adaptive vacuum defoaming process optimization method based on an intelligent control system, and aims to solve the problems of micro-bubble residue, too high energy consumption and the like caused by the fact that a traditional defoaming technology cannot adapt to liquids with different viscosities, and accurate defoaming is realized through a multi-dimensional sensing technology and strategy generation and regulation. Presetting a high-precision vacuum parameter and a viscosity grading strategy; establishing a liquid characteristic vector model by adopting a YOLOv7 and Hough transformation algorithm, and matching a historical optimal strategy in combination with weighted cosine similarity; generating a defoaming strategy based on the pre-training network and a multi-objective optimization algorithm, and verifying the defoaming strategy in the virtual environment; defoaming is carried out in four stages, and efficient foam breaking is achieved through sectional PID control, resonance vibration and cooperation of a two-stage pump; a Kalman filtering algorithm is integrated, pressure, temperature and vibration data are fused, and vacuum pump power and a heating strategy are adjusted; and constructing a multi-index evaluation system, and driving strategy iterative optimization through a reward signal.

The utility model discloses a kind of high-efficiency processing positioning structure of medical instrument injection molding panel, belong to medical instrument injection molding panel application technical field, aiming at the positioning problem when medical instrument injection molding panel processing, including base, the base is cylindrical, and the upper end middle part of the base is equipped with connecting groove, the first sliding groove is equipped with in the base located connecting groove edge, the base is fixedly connected with placing table in connecting groove middle part, the placing table cam surface is fixedly connected with several conical limit blocks, the both sides of the limit block are equipped with several fixed clamping tooth, and the adjacent limit block between is slidably connected with positioning assembly, and the upper end of the placing table is equipped with cross guide line;The utility model is through multi-directional limiting, self-locking clamping tooth, spring reset and so on innovative design, high-precision, high-efficiency, high-stability processing positioning is realized, especially suitable for the production of high requirement injection molding parts such as medical instrument, with remarkable practical value and market prospect.

The utility model discloses an adjustable clamp for ultrasonic vibration auxiliary low-voltage micro-arc machining, and relates to the technical field of ultrasonic vibration auxiliary machining. The clamp comprises a three-jaw chuck, an ultrasonic vibration device and a nylon outer shell. A threaded hole is formed in the tail end of the three-jaw chuck and used for being connected with the ultrasonic vibration device and the nylon outer shell. The ultrasonic vibration device is arranged in the nylon outer shell and comprises an ultrasonic transducer and an ultrasonic amplitude-change pole, and the ultrasonic transducer is formed by stacking piezoelectric ceramics and electrode plates and is fixed through a front end cover and a rear end cover; the nylon outer shell is of a square-outside and round-inside structure, the bottom of the nylon outer shell is matched with the rear end cover, and an opening is connected with the three-jaw chuck to provide insulation protection for the whole device. By combining low-voltage micro-arc machining with ultrasonic vibration, efficient and high-precision machining is achieved, and the ultrasonic vibration machine has the advantages of being compact in structure, high in stability, integrated in insulation design, adjustable in vibration direction and the like, and is suitable for precision machining of materials difficult to machine in the fields of aerospace, military industry, medical treatment and the like.

The invention discloses a multifunctional machine tool for gear end face finish machining, and relates to the technical field of gear machining, the multifunctional machine tool comprises a grinding assembly arranged on a rotating frame and used for machining the gear end face, a chamfering assembly used for chamfering a gear inner hole, and a reference block arranged on an operation table, the grinding assembly is provided with an end face contact piece corresponding to the reference block, when the grinding assembly is fed in the axial direction, the end face contact piece can make contact with the reference block, the chamfering assembly is installed on a lifting plate, and the lifting plate is further provided with a reference follower used for limiting axial operation of the chamfering assembly. The gear end face finish machining and inner hole chamfering device has the advantages that the end face grinding assembly and the chamfering assembly are arranged on the same rotating frame, the reference block serves as a unified axial reference datum, gear end face finish machining and inner hole chamfering machining can be continuously completed in the one-time clamping state, and the datum consistency between the two working procedures is effectively guaranteed.

The invention relates to the technical field of reactors, in particular to a kneading-pressing type mixing reactor based on hydraulic drive and a working method, and the kneading-pressing type mixing reactor comprises a mixing cavity section module, a power source module and a microcontroller. Wherein the mixing cavity section module is provided with a flexible inner container used for containing materials, a plurality of independent flexible driving cavities are arranged outside the mixing cavity section module, and the mixing cavity section module comprises at least one annular cavity section and a base cavity section; the power source module conveys or recycles a working medium to each driving cavity through a pipeline system with an independent control valve and drives the driving cavities to expand or contract, so that local extrusion force is applied to the wall surface of the flexible liner from the outer side; the microcontroller controls all the valves to act according to a preset strategy and drives all the cavity sections to act cooperatively, so that the flexible inner container generates non-rotating modeling deformation kneading and pressing actions, three-dimensional mild mixing of materials is achieved, the safety risk of rotating components is fundamentally eliminated, and the problems that high-viscosity materials are poor in mixing uniformity and mixing heat release is difficult to remove rapidly are solved.

This invention discloses a highly filled modified PP masterbatch and its preparation method, belonging to the field of polymer material modification technology. The masterbatch, by weight, consists of the following components: 25-30 parts polypropylene, 60-65 parts heavy calcium carbonate, 2-3 parts compatibilizer, 1-2 parts toughening agent, 0.3-0.5 parts compounded antioxidant, 0.5-1.0 parts lubricant, and 0.2-0.3 parts dispersant. This invention achieves a high-filling system with ≥60% calcium carbonate filling through synergistic optimization of the raw material formulation and precise control of the preparation process. This effectively solves the industry pain points of traditional highly filled modified PP masterbatches, such as filler agglomeration, precipitous decline in mechanical properties, and poor processing stability. The finished masterbatch meets national and industry acceptance standards for industrial equipment shells, automotive interior and exterior trim, and functional parts. The raw material cost is reduced by 15-25% compared to traditional modified PP masterbatches. The preparation process of this invention is simple and can achieve stable mass production using existing general-purpose modification equipment. The product qualification rate is ≥98%, demonstrating excellent economic benefits and broad application prospects.

The utility model discloses an upper cross beam structure of a closed four-point high-speed precision press, which comprises an upper cross beam, the upper cross beam is of a symmetrical structure, two ends of the upper cross beam are respectively provided with a mounting hole, each mounting hole is respectively provided with a first sliding bearing seat, and at least one mounting hole is provided with a flywheel seat; a first installation seat is arranged in the middle of the upper cross beam, a second installation seat is detachably arranged on the first installation seat, lower bearing seats are arranged at the two ends of the first installation seat respectively, upper bearing seats are arranged at the two ends of the second installation seat respectively, and each upper bearing seat and the corresponding lower bearing seat form a second sliding bearing seat. According to the technical scheme, the upper cross beam is of a unique split type structure, and the first installation base and the second installation base are connected through the attached installation planes and the bolts. On one hand, machining is facilitated, and the overall machining difficulty is reduced; and on the other hand, when the precision deviation of the hole system is detected, fine adjustment can be carried out by repairing the mounting plane.

The invention provides a continuous polypeptide precipitation system. The polypeptide continuous precipitation system comprises: a main heat exchange module, wherein the main heat exchange module is provided with an input end and an output end; the precipitation module comprises at least two mixing-precipitation curing units which are arranged in series, each mixing-precipitation curing unit comprises a cyclone mixer and a precipitation ager, an inlet of the precipitation ager is communicated with a first outlet pipe of the cyclone mixer, and an outlet pipe of the precipitation ager is communicated with a second outlet pipe of the cyclone mixer; the output end of the main heat exchange module is communicated with a first inlet pipe of a rotational flow mixer of the head end mixing-precipitation curing unit, first inlet pipes of other rotational flow mixers are communicated with an outlet of an upstream precipitation curing device, and second inlet pipes are used for inputting a precipitation solvent into the rotational flow mixers; and the filtering module comprises a suction filter and a waste liquid bottle and is selectively communicated with the outlet of the precipitation ager. According to the continuous polypeptide precipitation system, full continuous operation of the system can be realized, continuous polypeptide precipitation is realized, the efficiency is higher, and the operation is simpler and more convenient.

This invention relates to the field of die-casting mold technology and discloses a die-casting mold for aluminum alloy forming, comprising a moving mold and a fixed mold, and further comprising: a pre-vacuuming mechanism, fixedly installed inside the fixed mold, the pre-vacuuming mechanism including a sealing element and a pre-vacuuming channel communicating with the sealing element, and a slot corresponding to the sealing element on the moving mold; a vacuuming mechanism, including a fixed mold vacuuming component fixed on the fixed mold and a moving mold vacuuming component fixed on the moving mold; and a feeding assembly, fixedly installed on the side of the fixed mold away from the moving mold. This die-casting mold for aluminum alloy forming, by setting the pre-vacuuming mechanism and the vacuuming mechanism, initiates pre-vacuuming during the mold closing process, utilizing the dynamic stage of the gradually decreasing cavity volume to expel most of the gas in advance; a second vacuuming is performed after mold closing to further extract residual gas. The synergistic effect of the two vacuuming processes effectively reduces the initial gas content in the cavity.

This invention belongs to the field of optical component mounting technology, specifically a real-time coaxial optical coupling loss detection and alignment system for prisms and lens arrays. It includes an automatic loading and unloading module for automatically loading the substrate, prisms, and lens arrays, and automatically sorting and unloading qualified and unqualified products. By adopting a technical solution that uses the real-time coaxial optical coupling loss detection value as the sole criterion for final alignment of the lens array, combined with a graded alignment strategy of visual coarse alignment and coaxial optical fine alignment, it solves the common industry pain point of existing pure visual alignment and passive alignment technologies that separate physical dimensional accuracy from optical performance. This results in the inability to compensate for manufacturing errors such as uneven refractive index and surface flatness deviations within optical components, leading to substandard optical performance despite meeting physical accuracy standards and low yield rates in mass production. By using dimensional and angular tolerances only as auxiliary constraints, it directly locks the global minimum coupling loss point, improving the consistency and stability of the product's optical performance.

The invention provides a connecting line isolation performance improvement method and an integrated circuit. The method comprises the following steps: preparing a circuit element on the surface of a wafer; forming a multi-layer metal interconnection structure on the surface of the circuit element to realize electrical connection of each polarity of the circuit element; each layer of metal interconnection structure comprises a metal connecting wire formed in the low-dielectric-constant material layer, an isolation film layer is formed between the low-dielectric-constant material layer and the side wall contact surface of the metal connecting wire, the dielectric constant of the isolation film layer is larger than that of the low-dielectric-constant material layer, and the isolation performance between the metal connecting wires in the later process is improved.

This invention relates to a non-contact, low-temperature, intermittent heat exchange pulsed-dynamic electrolytic machining apparatus and method, belonging to the field of electrolytic machining. The apparatus consists of a blade workpiece, a cathode plate, a cathode holder, and an insulating sleeve. The cathode plate undergoes high-frequency reciprocating vibration during radial feeding, coordinated with the synchronous switching of a pulse power supply, to achieve pulsed-dynamic electrolytic machining. In this pulsed-dynamic electrolytic machining method, the cooling medium flows into the insulating sleeve from the inlet of the cooling channel, flows through the cooling channel, and then flows out from the outlet of the cooling channel, reducing the temperature inside the insulating cavity. As the blade is shaped and enters the insulating cavity, the cooling medium undergoes convective intermittent heat exchange with the stray electrolyte within the cooling channel, reducing the temperature and conductivity of the stray electrolyte, and even freezing the stray electrolyte, creating a low-temperature environment around the shaped blade and inhibiting the electrolytic reaction in the stray corrosion zone. Pulsed-dynamic machining promotes the removal of electrolytic products and heat, further improving machining accuracy and surface quality.

The utility model relates to aluminium material draw bending technical field discloses a draw bending straightening device for aluminium material processing, including operation platform, the bottom fixed connection of operation platform has four support legs, four the bottom edge of support leg does smooth chamfer design, the top right side fixed connection of operation platform has three bending assembly, the inboard fixed connection of bending assembly has location component, the top left side fixed connection of operation platform has the setting component, the setting component includes the sliding slot, the sliding slot is set up in the inside of operation platform, the inside slide connection of sliding slot has the lead screw, the top rotatory connection of lead screw has the support block. In the utility model, through setting adjustable arc setting plate, using the sliding fit of lead screw in sliding slot, drive support block and setting plate flexible adjustment position, combining the sliding guide of slide and top plate, can accurate adaptation different arc requirement's aluminium material processing, improve processing applicability and finished product quality.

This invention relates to the field of metal material processing technology. It discloses a synergistic composite forming process for metal wire electroforming and drawing, comprising the following steps: first, surface cleaning and activation treatment of the base metal wire to remove oxide layers, oil stains, and impurities; then, feeding the pretreated wire into an electroforming device to deposit a metal plating layer, obtaining an initial electroformed composite wire; subsequently, direct online radial high-pressure drawing to achieve a dense bond between the electroformed layer and the base metal; followed by annealing of the composite wire; repeating the electroforming, drawing, and annealing steps at least once to complete multiple synergistic cycles; finally, testing the dimensional accuracy, mechanical properties, and interlayer bonding force of the composite wire, and cutting it into finished products after passing the tests. This invention employs an online tandem synergistic process of electroforming and drawing, avoiding plating oxidation and interface contamination. Radial high-pressure drawing can compact the plating layer, eliminate porosity, and improve bonding density.

The application discloses a reflection type volume grating uniformity improving device and method, which adopts a double-system cooperative structure of axial exposure dose compensation and double-beam interference exposure. The axial exposure dose compensation system compensates the non-uniform axial exposure dose distribution caused by energy attenuation through laser irradiation of a photosensitive wave band of a recording medium and multi-axis rotation of the recording medium. The double-beam interference exposure system generates two collimated coherent lights with adjustable polarization states and powers by using laser of a high-transmittance wave band of the recording medium and a polarized beam splitter, and accurately controls the interference angle by adjusting the mirror posture, so that the high-contrast grating structure is written in the recording medium subjected to the axial exposure dose compensation. The application can effectively solve the non-uniform exposure dose distribution problem caused by laser energy attenuation in the traditional preparation process, thereby guaranteeing the consistency of the axial performance of the volume grating, and effectively promoting the development of the fields of high-performance laser beam combination, pulse compression and optical communication filter which need high-uniformity volume grating.

This application relates to the field of biomedical technology, specifically disclosing a highly liquid-stable SUMO fusion influenza B NP antigen and its preparation method. The antigen is a fusion protein of a SUMO-tagged peptide and an influenza B virus nucleoprotein NP. The SUMO-tagged peptide is directly linked to the N-terminus of the influenza B virus nucleoprotein NP via peptide bonds. The antigen is dissolved in a storage buffer for liquid preservation. The preparation method includes key steps such as fusion gene construction, vector engineering construction, host transformation screening, induced expression culture, and bacterial cell disruption and purification. This antigen can be used for clinical detection of influenza B virus, preparation of quality control materials, and immunogen development. It exhibits excellent liquid preservation stability, maintaining good immunoreactivity even after long-term storage under low-temperature liquid conditions. The preparation method of this application is simple and controllable, requiring no inclusion body refolding step, and can efficiently obtain high-purity and homogeneous soluble fusion antigen.

The present application relates to the technical field of turbine double-sided array blade processing of an aero-engine, and particularly relates to a turbine double-sided array blade integrated forming electrolytic machining tool and method, through the continuous feeding of the left and right tool cathodes to the direction of the part to be processed at the same time, the double-sided array blade is simultaneously machined; the machining tool comprises a cathode clamping block, a tool cathode, a sealing device and a support seat device; a plurality of electrolyte input channels are arranged on the left and right sides of the support seat, the liquid of the electrolyte input channels passes through the flow blocking cavity of the sealing device, the electrolyte is integrated and then flows into the machining area, then flows to the current collection area arranged in the cathode clamping block through the built-in plastic insulation device of the tool cathode, and finally flows out of the electrolyte output channel. Through the double-sided multi-feature integrated forming electrolytic machining technology, the machining efficiency and machining precision can be improved; the electrolyte flow channel adopting the reverse flow type flow field design can effectively improve the uniformity of the flow field.

This invention relates to the field of cable technology, specifically to a high-performance polyvinyl chloride (PVC) cable material and its preparation method. The cable material is based on PVC resin, combined with plasticizers and multifunctional flame-retardant composite fillers, with the filler content being 85-95 parts by weight per 100 parts by weight of resin. The multifunctional flame-retardant composite filler employs a multi-layered interface design: using magnesium hydroxide / calcium carbonate as the core, it first undergoes silane treatment to introduce epoxy sites, then constructs a phytic acid-tin-calcium-zinc chelate layer, and immobilizes double-grafted modified carboxymethyl-β-cyclodextrin, ultimately forming a tannic acid-metal ion polyphenol network layer. The preparation method includes pre-plasticization, segmented mixing with filler addition, and extrusion granulation. This invention effectively improves the filler-matrix interface compatibility, enhances flame retardancy, mechanical properties, and thermal stability, and solves the problem of insufficient durability in high-filler systems.

The invention discloses a cavitation shot peening surface strengthening method and system based on cooperation of high hydrostatic pressure and spherical focused ultrasound. The method comprises the following steps: establishing and maintaining a hydrostatic pressure environment higher than 0.1 MPa in a high-pressure processing cavity filled with a degassing liquid medium; the to-be-machined surface of the workpiece is positioned in a sound field focal region of the spherical focused ultrasound transducer; and in the high hydrostatic pressure environment, a transducer is driven to work so as to generate a cavitation bubble group in a space confinement range in a focal region of the transducer, and meanwhile, the workpiece is controlled to move according to a preset path, so that cavitation collapse impact acts on a target region on the surface of the workpiece. The device comprises a high-pressure processing cavity, a spherical focused ultrasonic transducer, a multi-degree-of-freedom movement mechanism and a control system. Through cooperation of high hydrostatic pressure constraint and the spherical focusing sound field, precise localization and energy strengthening of the cavitation effect are achieved, a plastic deformation layer can be efficiently and controllably introduced to the surface of a metal material, the surface hardness can be remarkably improved, a residual compressive stress layer is formed, surface layer grains are refined, and the method is suitable for precise surface strengthening of complex components.

This utility model proposes an alloy end mill, including a shank and a drill body. Four main cutting edges extend outward from the center of the drill body away from the shank end. Secondary cutting edges are evenly spaced along the sides of the drill body, each secondary cutting edge corresponding to a main cutting edge. The secondary cutting edges have a stepped structure. By setting a multi-step secondary cutting edge structure, efficient integrated machining of multiple hole diameters can be achieved, effectively reducing cutting resistance. A double clearance angle structure is provided between the main cutting edges, balancing cutting sharpness and vibration resistance, improving machining stability. Simultaneously, by setting redundant transition sections and controlling the width of the secondary cutting edges, the rigidity and durability of the tool body are enhanced, comprehensively improving the tool's machining efficiency and service life.

This invention provides an optimization method for thermal deformation compensation of alloy plates based on digital twins, relating to the field of data processing technology. The method includes: collecting multi-source heterogeneous data of the alloy plate to be processed; performing finite element simulations on multiple processing conditions to obtain a residual stress field sample set; performing dimensionality reduction processing on the residual stress field sample set to determine a low-dimensional parameterized expression model; constructing a thermo-mechanical coupling deformation model of the alloy plate by combining the low-dimensional parameterized expression model and processing environment temperature data; mapping the residual stress field to the deformation of the alloy plate structure in the processing coordinate system through the thermo-mechanical coupling deformation model of the alloy plate; constructing a rapid prediction model of the machine tool temperature field; calculating the thermal displacement error of the machine tool structure through the rapid prediction model of the machine tool temperature field; fusing the deformation of the alloy plate structure and the thermal displacement error to obtain a comprehensive deformation error; and calculating the control variables in the processing process based on the comprehensive deformation error to obtain the optimal compensation parameters.

The invention relates to a post-treatment method for a mercury-based II-VI group nanocrystal with a protective layer formed by chemical oxidation, and solves the problems of poor stability and photoelectric property degradation of the mercury-based II-VI group nanocrystal caused by surface oxidation, ligand desorption and environmental sensitivity. An oxide protection layer with the thickness of 1-3 nm is formed on the surface of the nanocrystal, the long-term stability and the photoelectric property of the nanocrystal are improved, and the method comprises the specific steps of centrifugal purification of the nanocrystal, preparation of an oxidizing agent solution, controllable oxidation reaction, functional ligand surface modification and purification treatment. The oxidation layer is ensured to be compact and stable by accurately adjusting the concentration of the oxidant, the reaction temperature and the reaction time. According to the method, oxygen and moisture permeation is effectively blocked, surface defects are reduced, the quantum yield and the photoelectric property are improved, and the method is widely applied to the fields of post-treatment of mercury-based II-VI group nanocrystals and photoelectric devices.

The application discloses a 15-degree highland barley and mulberry compound liquor and a preparation method thereof, and belongs to the technical field of liquor brewing and compounding. The compound liquor is prepared from the following raw materials in percentage by weight: 65-75% of mulberry original liquor, 20-30% of highland barley base liquor and 3-8% of softened water. The alcohol content of the mulberry original liquor is 16%vol, the alcohol content of the highland barley base liquor is 42%vol, and the alcohol content of the finished product is 15%vol±0.5%vol. The preparation method comprises the following steps: raw material pretreatment, initial sample blending, small sample blending and detection, medium sample blending and aging and large sample production. The 15-degree low-alcohol setting retains the pleasant feeling of the fruit wine and the quality of the highland barley wine, and the two do not affect each other, forming a compound fragrance. Through the precise process control of 'active carbon refining + multi-stage filtration + constant-temperature aging', the industry problems that the fruit wine and the grain wine are prone to turbidity and the taste is prone to dispersion when mixed are effectively solved.

The utility model relates to a quantitative powder feeding device and friction stir deposition additive manufacturing equipment. The device comprises a feeding shell, a stock bin, a feeding screw, a feeding motor and a controller. A hollow cavity is formed in the feeding shell; the hollow cavity is communicated with the stock bin and the feeding hole of the stationary shaft shoulder; the stock bin is arranged above the feeding shell, and metal powder is stored in the stock bin; the feeding screw is arranged in the hollow cavity of the feeding shell, the first end of the feeding screw faces a feeding hole of a stationary shaft shoulder, and the second end of the feeding screw is fixedly connected with an output shaft of the feeding motor. After the metal powder in the stock bin falls into the hollow cavity of the feeding shell, the controller controls an output shaft of the feeding motor to rotate, the feeding screw is driven to rotate to push the metal powder, and therefore the metal powder in the hollow cavity is filled into a feeding hole of a static shaft shoulder. The feeding device is not easy to block materials, stable in feeding amount and capable of improving process stability.

This invention relates to an intelligent screen printing device, a screen printing system, a control method, and a computer-readable storage medium, belonging to the field of thin-film battery manufacturing technology. The intelligent screen printing device is used for perovskite thin film screen printing and includes: a screen frame for supporting the screen; a tension sensing module disposed on the screen frame for real-time monitoring of the tension distribution in various areas of the screen; a temperature regulation module disposed on the screen frame for heating or cooling the screen; an electrostatic control module disposed above the intelligent screen printing device for generating an ion flow to eliminate static electricity accumulation during the printing process; and a control unit electrically connected to the tension sensing module, the temperature regulation module, and the electrostatic control module, respectively, for receiving monitoring signals and outputting control commands to achieve coordinated closed-loop regulation of tension, temperature, and electrostatics.

This application relates to the field of copper wire drawing technology, and particularly to a method for compensating for the implicit resistance of guide wheels in copper wire drawing machines, and the copper wire drawing machine itself. The method includes: acquiring a tension signal and a set of rotational speed signals; calculating the dynamic friction coefficient of each first-type guide wheel using Fourier transform based on the tension signal, the set of rotational speed signals, and the wrap angle of each first-type guide wheel, obtaining a set of dynamic friction coefficients; determining the smooth friction coefficient of each first-type guide wheel based on the set of dynamic friction coefficients, obtaining a set of smooth friction coefficients; determining that compensation conditions are met, and determining tension compensation based on the set of smooth friction coefficients; determining feedforward compensation based on the tension compensation, and generating a compensation command based on the feedforward compensation; and controlling the output torque of the traction device based on the compensation command. This method achieves online identification and quantification of the friction state of key guide wheels, reduces tension control lag, and improves the real-time performance of tension control.

The invention discloses a double-beam synchronous following anti-reflection device for laser forging printing, which is characterized in that the specific wavelength combination of 1064nm powder bed cladding laser and 532nm green ultrafast strengthening laser is adopted to impact a fusion layer, and a special reflecting coating with the wavelength of 532nm is coated on a scanning galvanometer mechanism; therefore, the coating can selectively transmit laser of 1064nm and efficiently reflect laser of 532nm at the same time by utilizing the obvious wavelength difference between the two; on the basis, diffuse reflection of green ultrafast laser can be selectively isolated, so that damage to the laser caused by return light is fundamentally avoided, stable work of equipment in a long-time and high-power following mode is ensured, and therefore, the device is very suitable for large-scale application and popularization in the technical field of laser forging printing.

This invention relates to the field of material performance analysis, specifically a method for synergistic optimization of the performance of high-pressure polypropylene composites. The method includes: determining a combination of process parameters based on the gradient ratio of modified conductive carbon black and polar monomer-grafted polypropylene, combined with multi-scale control of agglomerate premixing and melt blending indices, and synergistic optimization of segmented temperature control parameters and gradient temperature-controlled crystallization parameters. This method solves the technical problem that adding conductive fillers and compatibility modifiers in a fixed ratio, coupled with a lack of synergistic linkage between process parameters in the premixing, melting, and crystallization stages, easily leads to uneven dispersion of modified components and insufficient consistency in the performance of the prepared composite materials. It achieves significant improvement in the process stability of high-pressure polypropylene composites by synergistically optimizing multi-scale process parameters such as agglomerate premixing, melt blending, and segmented temperature control to dynamically match the gradient distribution of modified components with the thermal-fluid-structural evolution process.

The present application relates to a short process forging method of Ti1100 alloy bar, which is used to solve at least one of the problems of long time, low production efficiency, poor mechanical properties, poor process stability, poor consistency of different batches, high cost and the like in the prior art forging method. The forging method controls the heating times of blooming forging and trans-phase zone forging, and cooperates with gradient air cooling treatment. Specifically, in the organization control, the conventional multi-heating-time beta phase zone upsetting and drawing forging is abandoned, the single-heating-time beta phase zone precise temperature control and dynamic deformation regulation are adopted, the excessive growth of beta grains is avoided, and the needle-like alpha phase lamellar aggregation or equiaxed alpha phase abnormal precipitation is prevented by combining with gradient air cooling, so as to ensure the uniformity of the organization, solve the problems of mechanical property fluctuation exceeding the index and low service reliability.

The application discloses a kind of sensing optical cable surface laying methods, it is related to sensing optical cable technical field.The present application includes laying vehicle, laying vehicle top is fixed with unwinding frame and pad height chamber, pad height chamber top is connected with sliding table by ground rail, sliding table top linearly is equipped with distance measuring mechanism, drilling mechanism, support auxiliary frame and wire rack, drilling mechanism includes first lifting cylinder, first lifting cylinder telescopic end is fixed with motor, motor output end is connected with drill bit, support auxiliary frame includes hydraulic hammer and second lifting cylinder.The present application can be automatically opened in installation surface by the design of drilling mechanism, the design of support auxiliary frame can be positioned to Z type support with high stability, and hydraulic hammer can assist manual hammering expansion bolt, the design of wire rack can limit the position of optical cable, the whole anchoring process worker only needs to participate in hammer tool and hook tool, save time and effort, improve laying efficiency and can ensure laying safety.