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48results about How to "Simplify the finishing process" patented technology

Low-cost superhydrophobic surface treatment method of aluminum alloy

The invention provides a low-cost superhydrophobic surface treatment method of aluminum alloy, which comprises the following steps: (1) carrying out chemical etching on the surface of the aluminum alloy by utilizing hydrochloric acid aqueous solution with the mass-volume concentration of 70g/L-95g/L in water bath at the temperature of 30-50 DEG C for 3-6min; and (2) carrying out evaporation modification on the surface of the aluminum alloy by utilizing long chain fatty acid solution by an evaporation method, wherein, the long chain fatty acid comprises at least one of lauric acid and stearic acid, and the long chain fatty acid solution is prepared by dissolving fatty acid into an ethanol solvent based on the mass percent of 3wt.%-15wt.%. The evaporation method comprises the following steps: placing the long chain fatty acid solution and the aluminum alloy subject to chemical etching treatment in a sealed container; putting the sealed container in a chamber electric furnace, heating until the temperature of the mixture is up to 100-200 DEG C, and performing heat preservation for 1-3h; and taking out the aluminum alloy and placing the aluminum alloy in the chamber electric furnace again, curing at the temperature of 50-90 DEG C for 0.5-1.5h, and finally taking out the aluminum alloy, and carrying out air cooling on the aluminum alloy to obtain the aluminum alloy surface which has the advantages of good superhydrophobic characteristic and less possibility of being adhered to water drops.
Owner:SOUTHEAST UNIV

GIS-based power distribution network line loss data acquisition method and related device

The invention discloses a GIS-based power distribution network line loss data acquisition method and a related device, and the method comprises the steps: obtaining to-be-analyzed power distribution network data, and constructing a GIS graph model, wherein the GIS graph model comprises a connection point model and an equipment model; exporting a CIM file from the GIS graph model according to a preset CIM exporting rule; analyzing the CIM file by adopting a preset CIM structure template to obtain equipment parameters of the equipment model and connection parameters of the connection point model; constructing an association relationship table by adopting the equipment parameters and the connection point parameters; according to the association relationship table, constructing a preliminary grid structure topological graph by adopting the connection point model and the equipment model; simplifying the preliminary grid structure topological graph to obtain a simplified grid structure topological graph; extracting line information of a power distribution network line from the simplified network frame topological graph, and generating a line loss calculation data acquisition table. According to the method, the workload of data preparation in the line loss calculation process is reduced, manual intervention is not needed, the calculation cost is reduced, and the accuracy of theoretical line loss calculation is improved.
Owner:GUANGDONG POWER GRID CO LTD +1

Automatic sorting and numbering device and method for breeding material bags

InactiveCN111186220ASolve the problems of traditional manual sortingSimple actionTypewritersOther printing apparatusEngineeringMechanical engineering
The invention discloses an automatic sorting and numbering device and method for breeding material bags. The device comprises an equipment shell, a conveying system, a mechanical arm, sorting channels, a printing nozzle, an image acquisition system, an upper computer and a main control unit; the conveying system is arranged on the equipment shell, and the top end of the mechanical arm is rotationally arranged at the outlet end of the equipment shell; the top ends of the sorting channels are fixed to the outlet end of the equipment shell and make contact with the bottom end of the mechanical arm, the bottom ends of the sorting channels make contact with or abut against the ground or a placement platform, and the two sorting channels are arranged at the outlet end of the equipment shell in parallel up and down; and the printing nozzle is fixedly arranged at the top of the outlet end of the equipment shell, and the image acquisition system is used for acquiring image information on the breeding material bags, acquiring original images of material numbers on the breeding material bags and transmitting the image information to the upper computer. The device achieves automatic sorting and numbering, and improves the sorting accuracy and the working efficiency of rice breeding materials.
Owner:SOUTHWEAT UNIV OF SCI & TECH

Sulfuric acid dew point corrosion resisting steel capable of avoiding surface cracks and rolling technology of sulfuric acid dew point corrosion resisting steel capable of avoiding surface cracks

The invention provides a sulfuric acid dew point corrosion resisting steel capable of avoiding surface cracks and a rolling technology of the sulfuric acid dew point corrosion resisting steel capableof avoiding the surface cracks. Compared with the prior art, according to the steel and the rolling technology thereof, a steel billet is heated in a heating furnace, and the heating furnace is divided into a preheating section, a first heating section, a second heating section, a first soaking section and a second soaking section in the length direction of the furnace; in the furnace, the temperature of the preheating section is lower than or equal to 750 DEG C, the temperature of the first heating section is 600-900 DEG C, the temperature of the second heating section is 850-1000 DEG C, thetemperature of the first soaking section is 1120-1160 DEG C, and the temperature of the second soaking section is 1100-1140 DEG C; and the quick temperature increasing heating time of the preheating section and the first heating section is 55-65 min, the heating time of the second heating section is 25-35 min, and the heat preservation time of the first soaking section and the second soaking section is 90-120 min. Formation of the surface cracks of the steel billet in the heating process is controlled by reasonably optimizing the heating temperature and the heat preservation time, and thus mesh cracks on the surface of rolled materials are avoided.
Owner:WUHU XINXING DUCTILE IRON PIPES

Low-cost superhydrophobic surface treatment method of aluminum alloy

The invention provides a low-cost superhydrophobic surface treatment method of aluminum alloy, which comprises the following steps: (1) carrying out chemical etching on the surface of the aluminum alloy by utilizing hydrochloric acid aqueous solution with the mass-volume concentration of 70g / L-95g / L in water bath at the temperature of 30-50 DEG C for 3-6min; and (2) carrying out evaporation modification on the surface of the aluminum alloy by utilizing long chain fatty acid solution by an evaporation method, wherein, the long chain fatty acid comprises at least one of lauric acid and stearic acid, and the long chain fatty acid solution is prepared by dissolving fatty acid into an ethanol solvent based on the mass percent of 3wt.%-15wt.%. The evaporation method comprises the following steps: placing the long chain fatty acid solution and the aluminum alloy subject to chemical etching treatment in a sealed container; putting the sealed container in a chamber electric furnace, heating until the temperature of the mixture is up to 100-200 DEG C, and performing heat preservation for 1-3h; and taking out the aluminum alloy and placing the aluminum alloy in the chamber electric furnace again, curing at the temperature of 50-90 DEG C for 0.5-1.5h, and finally taking out the aluminum alloy, and carrying out air cooling on the aluminum alloy to obtain the aluminum alloy surface which has the advantages of good superhydrophobic characteristic and less possibility of being adhered to water drops.
Owner:SOUTHEAST UNIV

Flat wire harness terminal pressing equipment for new energy automobile and pressing process thereof

The invention relates to the technical field of new energy automobile manufacturing, and discloses flat wire harness terminal pressing equipment for a new energy automobile and a pressing process thereof.The flat wire harness terminal pressing equipment comprises a mounting base, a detector is arranged on the side, close to the back face, of the mounting base, and a pressing device is movably arranged above the mounting base; the detector is used for detecting the circuit connection condition at the two ends of the wire harness and making a response. The detector detects the connectivity of the wire harness through a plurality of detection points and the lower half parts of the terminals and performs corresponding display and prompt, so that not only is the on-off of each circuit in the wire harness detected, but also the on-off condition of the connecting parts of the terminals is detected at the same time; and the detector respectively detects the endpoint distribution condition of each line in the wiring harness through a plurality of detection points, so as to measure whether the lines of each endpoint at the two ends of the flat wiring harness correspond or not, and perform corresponding display and prompt according to the corresponding condition, thereby preventing the connection error of the lines between the corresponding endpoints after the terminals are pressed, and improving the reliability of the wiring harness. And the occurrence of a circuit crossing condition is prevented.
Owner:许路生
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