55results about How to "Homogenization guaranteed" patented technology

The invention discloses a denoising and simplifying method of a point cloud model. The method specifically comprises the first step of collecting an image and preprocessing the image; the second step of conducting removal of large-scale noise on a three-dimensional point cloud model obtained in the first step; the third step of adopting moving least square to remove small-scale noise; the fourth step of conducting grid downsampling based on voxel on point cloud data which is denoised in the third step to obtain a simplified point cloud model. The problem in the prior art that the occupied memory is large, and the operation of a computer is influenced due to long processing time is solved.

The invention relates to a micro-alloyed high-strength anti-oxidization iron-nickel alloy gas valve steel material and a preparation method. The material comprises elements such as Ni, Cr, Ti, Al, Mo, Nb, Mn, C, B, Mg, Ta, Ce, Zr, V, W, N, Fe and the like. The material can be used in a working environment with a high temperature, high load, strong oxidization and strong corrosion, is low in nickel content, has good tensile strength, good endurance strength, good fatigue strength and excellent oxidization resistance, good corrosion resistance and good resistance to fuel gas, and can be used for preparing a gas inlet valve and a gas outlet valve of a medium-high-load engine.

The invention discloses a connecting base self-centering locking production line and a connecting base self-centering locking technology. The connecting base self-centering locking production line comprises a working table, a material belt, a positioning mechanism, a first centering mechanism, a second centering mechanism, a product fixing mechanism, a defective product ejecting mechanism and a defective product material belt; the connecting base self-centering locking technology comprises the following processing steps: S1, positioning a product; S2, clamping the position in the Y-axis direction; S3, clamping the position in the Z-axis direction; S4, scanning and shooting a plug and a connecting base center by a CCD; S5, inserting the plug in the connecting base; S6, scanning and shooting the gap between the connecting base and a mounting hole by the CCD; S7, fine tuning the gap; S8, locking a jig; and S9, discharging a non-defective project and ejecting the defective product. The connecting base self-centering locking production line is used for automatically adjusting and locking the mounting clearance of the connecting base, ensures uniform product assembling, improves production quality and production efficiency of the product, and is suitable for modern high-speed automatic production.

The invention provides a method for forming via holes by using a laser driller, the method comprises: (a) preparing to form a first circuit substrate having circuits on two sides of an insulative layer; (b) preparing to drill a plurality of prepregs having holes by automatically drilling on positions at which via holes are to be formed; (c) cumulating the prepregs on the two sides on which the first circuit substrate is formed; and (d) machining the via hole postions filled with resins flowed out from the prepregs in the step (c) by the laser driller so as to form the via holes.

The invention provides a method for realizing TiAl-based alloy connection by adopting an Al foil as an intermediate layer and relates to a TiAl-based alloy connection method. The method solves the problems that the existing TiAl alloy joint obtained through soldering has low high-temperature strength, and impurity elements which do not exist in TiAl alloy base materials are led in the connection process to cause that the corrosion resistance, the oxidation resistance and other properties of the joint are deteriorative. The method comprises the following steps: firstly, machining TiAl-based alloy into the required dimension; secondly, polishing after TiAl-based alloy connection surfaces are polished by sand paper and placing into acetone for ultrasonic cleaning; thirdly, placing the Al foil among the connection surfaces, applying the pressure, placing into a vacuum heating furnace for welding, heating and heat preservation and cooling to the room temperature, namely finishing the TiAl-based alloy connection. A welded joint or a joint of the TiAl-based alloy connected by the method can be used at the high temperature of 600-800 DEG C so as to avoid the leading-in of other impurities in the welding process. The method is applied to the technical field of TiAl-based alloy connection.

The invention relates to a melt siliconizing method for a small-size circular-section ceramic-based composite material component. The invention aims to solve problems that in the LSI process preparation process of a small-size circular-section ceramic matrix composite zero component, the internal and external density gradient difference is likely to be generated, the component density uniformity is poor, deformation is liable to happen, and bottom liquid silicon is liable to be accumulated and bonded. The method mainly comprises the steps of preparing a fused siliconizing tool, machining a small-size circular-section ceramic-based composite material component semi-finished product and preparing the small-size circular-section ceramic-based composite material component; wherein specifically, an inner mold of the small-size circular-section ceramic-based composite material component semi-finished product is filled with SiC sand; meanwhile, powder is packed into a gap, namely a powder filling area, formed between the outer wall of the small-size circular-section ceramic matrix composite component semi-finished product and the inner wall of the first crucible unit. Due to internal andexternal double-sided melt infiltration, the process effectively improves the modification uniformity.

The invention discloses a preparation method capable of remarkably overcoming the surface defect of a copper alloy material for a lead frame. The preparation method comprises the following steps that S1, a copper-iron alloy with the iron content being 7% is refined; S2, high-purity copper and wood coal are added into a high-frequency induction smelting furnace, heating is conducted until the high-purity copper is completely melted to obtain copper liquid, heating continues to be conducted, the copper-iron alloy with the iron content being 7%, a copper-zinc alloy, a copper-phosphorus alloy, a copper-tin alloy, a copper-titanium alloy and mixture rare earths are added, and stirring and smelting are conducted to obtain a copper-alloy solution; S3, the components of the copper-alloy solution are detected, and casting is conducted to obtain strips; S4, the strips are subjected to uniform annealing, the annealing temperature is 650-730 DEG C, repeated hot rolling is conducted, then the strips are transferred to be subjected to intermediate annealing finish rolling, the intermediate annealing temperature is 690-710 DEG C, and then a finish rolling product is obtained; and S5, the finish rolling product is subjected to ageing treatment and cooled with a furnace to obtain the copper alloy material, with the surface defect remarkably overcome, for the lead frame. According to the preparation method capable of remarkably overcoming the surface defect of the copper alloy material for the lead frame, uniformization of the copper alloy material for the lead frame is promoted, the surface performance of the alloy material is improved, and the comprehensive performance of the copper alloy material is improved.

An extruded rectangular aluminum panel without the need of shearing process and a fish reel part manufacturing thereof using the same are provided to improve the efficiency of manufacturing fish reel parts, such as a handle arm or a drag, from the extruded rectangular aluminum panel. CONSTITUTION: A method for manufacturing a fish reel part using an extruded rectangular aluminum panel (100) is as follows. A 7075 aluminum rod is put into an extruder. The melt of the7075 aluminum rod is extruded into a rectangular plate with a width of 55 to 150mm, a length of 1000 to 2000mm, and a thickness of 2.5 to 3.9mm. The extruded aluminum rectangular panel is pressed and cut by a press machine to obtain a handle arm or a drag.

The invention relates to a method for expanding the capacity of a microwave photo-catalytic coupling wastewater degradation device, and improving the internal circulation, and belongs to the technical field of wastewater treatment. On the premise of taking the microwave and photo-chemical catalytic coupling effect into consideration, the reactor aims at solving the problems of small wastewater treatment amount of a single tank of a reactor, high repeated operation frequency, insufficient internal liquid circulating strength and the like, which exist in the existing technology of microwave photo-catalytic degradation to organic pollutant industrial wastewater. The method comprises the following steps of forcibly separating and distributing the microwave radiation area inside the reactor by adopting a metal cage to lead a coupling catalytic degradation effect to perform in the metal cage; maintaining a space without microwave radiation between the outer wall of the metal cage and the inner wall of the reactor; and erecting a flared component which is used for guiding and intensifying liquid circulation right below the metal cage. According to the method, the designed capacity of the reactor is permitted to be greatly expanded, and formation of a powerful internal liquid circulation can be facilitated.

The invention discloses a photodynamic therapy instrument used in a human body cavity and a cavity organ. The photodynamic therapy instrument comprises a main entry catheter, a light emitter for emitting effective wavelength light and an opening scattering balloon arranged on the outer side of the main entry catheter are arranged in the main entry catheter, a liquid filling pipeline for filling liquid into the opening scattering balloon and a pipeline opening which communicates with the opening scattering balloon are arranged in the main entry catheter, an extending-into pipeline for the lightemitter to extend into is arranged in the main entry catheter, in addition, a cooling structure capable of cooling the light emitter is arranged in the extending-into pipeline, a liquid filling connecting pipe extending out of the liquid filling pipeline is connected with a liquid filling structure, the rear end of the light emitter is connected with a light generator, and the main entry catheteris of a structure with a closed front end and a round end. During use, the light emitter is firstly sent to a proper position through the extending-into pipeline, then the main entry catheter is sentto a lesion position through a human body cavity, then the opening scattering balloon is expanded to be filled with scattering liquid, then the light generator is started, and light is emitted through the light emitter and gradually and evenly scattered to the surface of the scattering balloon.

The invention discloses a diamond wire cutting machine and a diamond wire replacing method thereof. The diamond wire cutting machine belongs to the technical field of wire cutting technology and solves the problems that in the prior art, a diamond wire cutting machine is poor in cutting continuity, uneven in wire mesh tension and poor in product quality. The diamond wire cutting machine comprises a paying-off wheel, a take-up wheel and main rollers; the input ends of the main rollers are sequentially connected to the paying-off wheel, a first winding displacement wheel and a plurality of guide wheels through diamond wires; the output ends of the main rollers are sequentially connected to the multiple guide wheels, a second winding displacement wheel and the take-up wheel through diamond wires; a plurality of groups of parallel diamond wires are wound around the surfaces of the main rollers; and the paying-off length of the paying-off wheel is at least 100m longer than the sum of the total length of the diamond wires wound around the lower surfaces of the main rollers in a cutting process state and the length of the maximum advancing wire amount. According to the diamond wire cutting machine and the diamond wire replacing method thereof, the connecting wire end is always located at the take-up wheel, and therefore the phenomenon that breakage occurs again can be avoided, the cutting continuity can be guaranteed, and the wire mesh cutting force can be homogenized by adopting a complex-wire cutting method.