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42 results about "Procedures treatment" patented technology

Fabrication method of circuit board with back-drilled resin-stuffed holes

The invention discloses a fabrication method of a circuit board with back-drilled resin-stuffed holes. The method comprises the following steps: drilling through to-be-back-drilled holes and other all through holes on a laminated circuit board which is subjected to front procedure treatment; carrying out copper precipitation conduction on all holes; carrying out the steps of full-plate copper plating, pattern plating, full-plate tinning and the like; electrically testing the back-drilled holes; pasting a dry film on a copper foil surface of the laminated circuit board for sealing the holes; exposing and developing the back-drilled holes requiring resin stuffing; stuffing the back-drilled holes with resin and grinding the resin smooth; taking off the dry film for sealing the holes; and carrying out subsequent procedures of outer circuit pattern transferring and the like. According to the fabrication method disclosed by the invention, selective stuffing of the back-drilled holes can be achieved by sealing the holes with the dry film; the overall process only comprises a one-step through hole drilling process, a one-step copper-deposited plate plating process, a one-step pattern plating process and one-step back-drilling process; the process is simplified; forward and backward transportation between plate-making processes is reduced; and the quality risk in process transportation and plate loading and unloading processes is reduced. An ET test is added before the hole stuffing step, and whether leaking back-drilling and poor back-drilling exist or not is detected, so that the quality is ensured.
Owner:广东依顿电子科技股份有限公司

A production method of iron-zinc alloy coated steel plate with yield strength ≥ 220mpa

The invention discloses a method for producing an iron-zinc alloy coated steel plate with the yield strength being equal to or higher than 220 MPa. The method comprises the steps that molten iron desulphurization, smelting through a converter and continuous casting are conducted, so that a billet is formed; hot rolling is conducted; rolling is conducted; cold rolling is conducted till the billet reaches the required thickness; continuous hot galvanizing is conducted; rapid cooling is conducted; aerial fog is used for cooling after zinc and iron are alloyed; finishing is conducted; oiling treatment is conducted; and sampling, performance testing and subsequence procedure treatment are conducted. According to the method for producing the iron-zinc alloy coated steel plate with the yield strength being equal to or higher than 220 MPa, on the premise that the yield strength ranges from 220 MPa to 260 MPa, the tensile strength ranges from 300 MPa to 380 MPa, and the elongation is equal to or higher than 43%, grains on the surface of a zinc-iron alloy coating are fine and are even in size distribution, the area ratio of holes in the surface of the coating is equal to or smaller than 5%, no microcrack exists on the surface, and the phenomena of pulverization and falling of the coating are unlikely to occur during stamping forming, namely the 90-degree V bending test grade reaches the level 2.
Owner:武汉钢铁有限公司

Manufacture method for improving solder resist hole plugging ink seepage

The invention discloses a manufacture method for improving solder resist hole plugging oil seepage. The method comprises the following steps of: pre-solder resist procedure treatment; pre-solder resist procedure hole plugging; and solder resist treatment. According to the manufacture method of the invention, board baking treatment is additionally adopted, and therefore, residual moisture left in the holes and base materials of a circuit board can be removed, the defect of ink seepage which appears after the solder resist hole plugging and solidification of the circuit board are performed can be effectively eliminated, the quality of a product can be improved, time consumed by solder resist hole plugging and solder resist treatment is shortened, production efficiency can be improved; an abrasive belt is adopted to perform board grinding treatment, so that solder resist can be prevented from sputtering to hole plugging ink on the circuit board during the pre-solder resist procedure holeplugging, and therefore, it can be ensured that a circuit formed during the formation process of an outer-layer pattern will not be damaged; a negative film for solder resist exposure is improved, evenly distributed light sensing points are added on blocking points on the double-side-windowed negative film which are used for solder resist hole plugging, and therefore, the solder resist in throughholes can be exposed to a certain extent; and under the same development condition, the technical procedures of the solder resist in the through holes are decreased compared with those of the ink on the surface of the circuit board, and production efficiency is improved.
Owner:KIN YIP TECHNOLDGY ELECTRONICS HUI ZHOUCO LTD

Production process for manufacturing reduced iron powder with steel ball grinding iron cement

InactiveCN105817640ADistillationSteel ball
The invention discloses a production process for producing reduced iron powder by grinding iron mud with steel balls. The reduced iron powder produced by the process has high purity and reliable performance, and is suitable for raw materials such as powder metallurgy and wear-resistant structural parts. The process uses steel balls Grinding iron sludge (which belongs to industrial fixed hazardous waste) directly produces reduced iron powder. The process is simple and the production cost is low. It is an environmental protection project for resource reuse. It includes the following steps: cleaning→magnetic separation→drying→distillation→crushing→coarse screening→reduction (preheating, reduction, cooling)→crushing and screening→packaging in batches. The reduction process adopts 3-stage treatment technology, which is divided into preheating section, reduction section and cooling section. The cooling section is divided into air-cooling section and water-cooling section. The dry decomposed ammonia atmosphere is used to enter the air from the air inlet of the cooling section and the wet decomposed ammonia atmosphere Intake air from the front section of the preheating section. The reduced iron powder produced by the invention is tested by the experimental center, and the iron content exceeds 98%. The powder metallurgy parts made of the reduced iron powder produced by the invention have a density of about 7.1 g/cm3.
Owner:WUXI CITY FEI YUN STEEL BALL

Integrated multi-procedure treatment all-in-one machine for safety capacitor

The invention provides an integrated multi-procedure treatment all-in-one machine for a safety capacitor. The integrated multi-procedure treatment all-in-one machine comprises a work rack, a vibrationdisc fding mechanism, an electrical performance detecting mechanism, a grabbing mechanism, a clamp mechanism, a clamp horizontal conveying mechanism, a laser marking mechanism, a first belt feeding mechanism, a forming, correcting and pin cutting mechanism, a material shooting mechanism, a visual sorting mechanism, an automatic counting and automatic boxing mechanism and an electric control box.The material shooting mechanism is used for clamping the discharging end of the forming, correcting and pin cutting mechanism, and the visual sorting mechanism is used for automatically judging the appearance of a material is qualified or not through photo data. The integrated multi-procedure treatment all-in-one machine for the safety capacitor integrates laser marking, forming, correcting, pin cutting, automatic counting and automatic boxing, is high in integration degree and high in efficiency, the high workload caused by repeated manual feeding and taking does not need to be repeated, manpower can be saved, and goods can be directly delivered at one step.
Owner:中山市中港机电设备有限公司

Novel environment-friendly numerical control glass paint spraying machine

The invention provides a novel environment-friendly numerical control glass paint spraying machine. A conveying device and a paint spraying device are included; a steel belt cleaning and conveying device, and a multi-layer air draft and dust collection paint mist removing treatment device are the same; the conveying device comprises an annular stainless steel belt, a first power mechanism and a second power mechanism; the first power mechanism and the second power mechanism are installed on the same horizontal plane in parallel; the annular stainless steel belt is arranged on the first power mechanism and the second power mechanism in a sleeving manner to form a conveying belt structure; the paint spraying device comprises a box body and a paint sprayer; and the box body is installed abovethe upper surface of the conveying belt structure. The novel environment-friendly numerical control glass paint spraying machine can effectively solve the problems that in the glass paint spraying process, for redundant paint liquid, formed due to paint spraying of a spraying gun on the edge portion of a workpiece, on a stainless steel belt, cleanness is restored after procedure treatment, and itis avoided that the redundant paint liquid pollutes the surface of the glass subsequently entering paint spraying.
Owner:陈金贵

Double annealing technology of polycrystalline silicon ingot casting

The invention provides a double annealing technology of polycrystalline silicon ingot casting. The technology comprises the following steps that silicon raw materials are subjected to first annealing after being subjected to heating, melting and crystal growth working procedure treatment in the ingot casting technology, wherein the annealing temperature is 1330-1380 DEG C, and the temperature is kept for 1-2.5 h; a silicon ingot subjected to first annealing is cooled by lowering the heating power and closing a heat insulation plate, and second annealing is carried out, wherein the second annealing temperature is 1150-1250 DEG C, and the temperature is kept for 0.5-1.5 h; follow-up working procedures are carried out. One in-furnace medium-high temperature annealing is added in the polycrystalline silicon ingot casting technological procedure, head and tail temperature difference and heat stress can be effectively lowered, heat stress is sufficiently released, and the mechanical property of the silicon ingot is effectively improved. Compared with the prior art, the quality of the silicon ingot can be effectively improved, the fragmenting, corner lack, edge breakage, the cracking rate in the segmentation process is lowered, the silicon slice output is improved, and the production cost is saved.
Owner:HANWHA SOLARONE

Ilmenite recycling process

The invention discloses an ilmenite recycling process. The ilmenite recycling process comprises the steps that separated-out crude resides are sorted through gravity-magnetic pull dressing equipment,and gravity-magnetic pull strong magnetic concentrate and gravity-magnetic pull strong magnetic tailings are obtained; and the gravity-magnetic pull strong magnetic concentrate is returned into a first-section deironing or second-section deironing or gravity dressing process according to different characters, and continues to participate in the subsequent procedures. The ilmenite recycling processis applied, the gravity-magnetic pull dressing equipment serves as strong magnetic equipment, the advantages of gravity separation and magnetic separation are combined, and the gravity-magnetic pulldressing equipment is permanent magnetic separation equipment with a composite force field; and the crude resides are pre-enriched through the gravity-magnetic pull dressing equipment to obtain a relatively proper raw material, meanwhile, most unqualified crude resides are thrown away to reduce the subsequent procedure treatment amount, and cost is reduced. The gravity-magnetic pull strong magnetic concentrate is returned to different positions in the original titanium separation process according to different characters to be further recycled, and the loss of ilmenite is reduced; and the TiO3recycling rate is greatly improved, the titanium separation cost is reduced, and the economic benefits are remarkable.
Owner:PANGANG GRP MINING

Three-station movable paint spraying and drying workshop and use steps thereof

The invention provides a three-station movable paint spraying and drying workshop and use steps thereof. The three-station movable paint spraying and drying workshop comprises two independent workshops, wherein illuminating devices, air supply and exhaust devices, paint mist treatment devices, heating devices and electric controllers are respectively arranged in cavities of the workshops or the outer walls of the workshops; each workshop comprises a top plate, a left side wall and a right side wall; the front workshop and the rear workshop are connected in series; linear sliding rails which correspondingly cooperate with the left side walls and the right side walls of the workshops are respectively arranged at the bottoms of the left side walls and the right side walls; the length of the sliding rails is at least three times of that of the workshops; feeding doors and discharging doors are respectively arranged on the front sides and the rear sides of the two workshops. Through the adoption of the movable workshop and fixed product mode in the invention, different procedure treatments can be carried out on workpieces in a circulating way between two or three adjacent stations by moving the workshops, and the work efficiencies of drying heating, constant-temperature paint spraying and drying treatment are improved.
Owner:SHANDONG HUIFENG CASTING TECH

Mixing and grinding multi-procedure treatment system of fireproof coating

The invention belongs to the technical field of coating processing equipment and in particular relates to a mixing and grinding multi-procedure treatment system of fireproof coating. The mixing and grinding multi-procedure treatment system comprises a tank body, a first-grade material mixing unit, a second-grade material mixing unit, a grinding unit and a drying unit; a feeding opening is formed in the top part of the tank body; the bottom part of the tank body is of a V-shaped structure; a coating outlet is formed in the bottom part of the tank body; the tank body is arranged on the ground through supporting legs; the first-grade material mixing unit is located at the upper part of the tank body; the first-grade material mixing unit is used for realizing first-time mixing of the coating;the second-grade material mixing unit is mounted in the tank body; the second-grade material mixing unit is located below the first-grade material mixing unit; the second-grade material mixing unit isused for carrying out second-time mixing on the coating mixed by the first-grade material mixing unit; a grinding module is used for grinding the mixed coating so that the diameter of coating grainsis reduced; a drying module is used for drying the coating in the tank body. According to the mixing and grinding multi-procedure treatment system provided by the invention, the system with mixing andstirring functions can be realized, and the coating is dried by utilizing heat produced by a grinding chamber.
Owner:苏州鑫宇表面技术有限公司

Aluminum profile edge grinding and waste material recycling multi-procedure treatment system

The invention relates to the technical field of aluminum profile, in particular to an aluminum profile edge grinding and waste material recycling multi-procedure treatment system. A screening mechanism, a protrusion, a vibration mechanism, a fixing rod, a transmission mechanism, an adjusting mechanism, fixing mechanisms, a grinding tool, a control mechanism, a containing plate, a filter screen, afunnel, a work plate, an installing plate, a fixing frame, a transmission shaft and a driving mechanism are included; a motor drives a first gear to rotate, and the first gear is engaged with a walking frame; the walking frame slides in the fixing frame, it is achieved that a tool rest makes the same movement along with the walking frame; due to the fact that the two side walls of the containing plate are each of an arc-shaped structure, the side edge of an aluminum material on the surface of the containing plate is ground, and precision is high; by adjusting the height of a fixing block, it is achieved that aluminum materials in different thicknesses are ground; a third gear is engaged with a second gear, it is achieved that the transmission shaft rotates and makes the protrusion and a protruding column in contact in an abutting manner, and electric energy is saved; and the bottom of a pressing column makes contact with a baffle in an abutting manner, after the protrusion makes contact with the protruding column, an installing frame is vibrated to screen aluminum powder flowing from the funnel, and recycling is performed.
Owner:佛山市三水润信金属制品有限公司

Method for producing iron-zinc alloy coated steel plate with yield strength being equal to or higher than 220 MPa

The invention discloses a method for producing an iron-zinc alloy coated steel plate with the yield strength being equal to or higher than 220 MPa. The method comprises the steps that molten iron desulphurization, smelting through a converter and continuous casting are conducted, so that a billet is formed; hot rolling is conducted; rolling is conducted; cold rolling is conducted till the billet reaches the required thickness; continuous hot galvanizing is conducted; rapid cooling is conducted; aerial fog is used for cooling after zinc and iron are alloyed; finishing is conducted; oiling treatment is conducted; and sampling, performance testing and subsequence procedure treatment are conducted. According to the method for producing the iron-zinc alloy coated steel plate with the yield strength being equal to or higher than 220 MPa, on the premise that the yield strength ranges from 220 MPa to 260 MPa, the tensile strength ranges from 300 MPa to 380 MPa, and the elongation is equal to or higher than 43%, grains on the surface of a zinc-iron alloy coating are fine and are even in size distribution, the area ratio of holes in the surface of the coating is equal to or smaller than 5%, no microcrack exists on the surface, and the phenomena of pulverization and falling of the coating are unlikely to occur during stamping forming, namely the 90-degree V bending test grade reaches the level 2.
Owner:武汉钢铁有限公司

Alloying hot-dip galvanized steel of which tensile strength is greater than or equal to 780MPa and production method of alloying hot-dip galvanized plate

The invention relates to an alloying hot-dip galvanized plate of which the tensile strength is greater than or equal to 780MPa and a production method of the alloying hot-dip galvanized plate. The alloying hot-dip galvanized plate comprises the following components in percentage by weight (wt%) of: 0.080-0.100% of C, 1.85-1.95% of Mn, 0.010-0.020% of Si, 0.35-0.40% of Cr, 0.20-0.30% of Mo, less than or equal to 0.01% of P, less than or equal to 0.006% of S, 0.04-0.06% of Al, 0.04-0.07% of Ti, and less than or equal to 0.005% of N. The production method comprises the following production steps of performing conventional hot rolling, performing cool, performing crimping, performing acid pickling, performing cold rolling, and performing continuous annealing; performing mist cooling until the temperature achieves hot-dip galvanizing temperature; performing continuous hot-dip galvanizing; performing alloying; performing cooling by an air knife; and performing after working procedure treatment. According to the alloying hot-dip galvanized plate disclosed by the invention, under the conditions that the tensile strength is greater than or equal to 780Mpa, the yield strength is greater than or equal to 480MPa, the elongation rate is greater than or equal to 17%,and n value is greater than or equal to 0.13 are guaranteed, through reducing the additive amount of Si, the additive amount of Mn, the additive amount of Cr and the additive amount of Mo, the surface of the steel plate has good platability and is provided with a good plating structure; and the usage amount of the alloy is also reduced by 5% or above.
Owner:武汉钢铁有限公司

Operation method and operation device for terminal equipment and terminal equipment

The embodiment of the invention provides an operation method and an operation device for terminal equipment and the terminal equipment, and relates to the technical field of communication. The method comprises the following steps: receiving a pressing operation on a displayed interaction item in a user interface; judging whether the pressing operation meets preset conditions or not; and if the preset conditions are met, executing a rolling operation corresponding to the interaction item in response to the pressing operation. According to the embodiment of the invention, the user operation is simplified; because of simplification of user operation, operation treatment for the terminal equipment is simplified, the data processing amount of the terminal equipment is also reduced, burden of the user operation is alleviated, further the data and procedure treatment of the terminal equipment is also alleviated, and the burden of the terminal equipment is alleviated; furthermore, by virtue of executing the rolling operation corresponding to the interaction item in response to the pressing operation, and replacing the rolling operation with the pressing operation, the complexity of the interaction item for the user is reduced, and the operating efficiency of the terminal equipment is improved.
Owner:LETV HLDG BEIJING CO LTD +1

Disinfecting-baking multi-procedure treatment system for pipe

InactiveCN111671947ANot easy to affect the disinfection effectImprove utilization efficiencyLavatory sanitoryChemicalsCircular discGear wheel
The invention discloses a disinfecting-baking multi-procedure treatment system for a pipe and relates to the technical field of pipe disinfection. The disinfecting-baking multi-procedure treatment system for the pipe comprises a rolling device, wherein the rolling device comprises two rollers, a motor, a conveying belt I and two long rods, a bottom plate is arranged below the two rollers, the rolling device is arranged at the right end of the upper surface of the bottom plate, a transmission device is arranged at the rear end of the left end of the upper surface of the bottom plate, a rotatingdevice is arranged at the front end of the transmission device, and a disinfection device is arranged below the rotating device. A connecting rod I of the front surface of a disc rotates along with the disc so as to drive a strip to move, thus, a gear belt of the lower surface of a fan-shaped block can drive a gear rack to move, thus, a traveling block can move left and right, a disinfecting plate infiltrated with a disinfectant can continuously scrape the internal wall of the pipe left and right for internal wall disinfection, operating personnel have no need of contacting the disinfection device during disinfecting, corroding injury to parts such as skin of the operating personnel caused by the disinfectant is avoided, and the safety of the operating personnel is improved.
Owner:SHANDONG RUNDE BIOTECH CO LTD

Cleaning device and technology for low-temperature methanol washing feed gas precooler

PendingCN109357565AAchieving zero emissionsReduce fresh water consumption costsFlush cleaningWater processingHigh pressure
The invention discloses a cleaning device and technology for a low-temperature methanol washing feed gas precooler. The cleaning device comprises a gas washing water processing procedure device, a rawgas precooler and two gas-liquid separators. The raw gas precooler is provided with a washing water inlet, a raw gas inlet, a cooling medium inlet, a cooling medium outlet and a liquid outlet. The bottoms of the gas-liquid separators are both provided with heating assemblies, wherein one gas-liquid separator is switched on, and the other gas-liquid separator is standby. The two gas-liquid separators communicate through a pressurizing pipeline. A system pressurizing valve is arranged on the pressurizing pipeline. Each gas-liquid separator is further provided with a liquid inlet and a raw gas outlet. Each heating assembly is provided with a steam inlet, a condensate outlet, a separated liquid outlet and produced water outlet. According to the cleaning device and technology for the low-temperature methanol washing feed gas precooler, gas water obtained after crushed coal pressurized gasification gas water procedure treatment is fully utilized to circulate in the low-temperature methanolwashing purification procedure raw gas precooler to conduct cleaning, the gas water has the features of being high in temperature and pressure, alkaline and the like, and online treatment of blockageof the crushed coal pressurized gasification purification procedure raw gas precooler can be achieved.
Owner:TIANJI COAL CHEM IND GROUP
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