1118results about "Abrasive feeders" patented technology

The invention relates to the technical field of stamping part surface detection, in particular to a stamping part surface detection method and a welding slag cleaning device.The detection method is based on three-dimensional point cloud data processing, is not affected by environment light changes, can more accurately separate a defect area from a background, and is high in detection accuracy. The welding slag can be effectively identified even at a complex geometrical shape or a deep concave position, comprehensive detection of a stamping part with a complex shape can be realized, and the accuracy and the efficiency of detection are remarkably improved; by presetting the basic threshold value and dynamically adjusting according to the reflection characteristics, it can be guaranteed that the stamping part can obtain stable detection and cleaning results under the detection conditions of different light environments.

The invention discloses an anti-corrosion coating method for a steel structure, belongs to the technical field of metal anti-corrosion coating, and solves the problems of reduced anti-corrosion effect and short maintenance period caused by incomplete pretreatment, insufficient coating adhesive force and poor complex environment adaptability in the existing anti-corrosion coating process for the steel structure. According to the technical scheme, the method is characterized by comprising the steps that the surface of the steel structure is pretreated through chemical oil removal, sand blasting and acid pickling and phosphating; epoxy zinc-rich primer, epoxy micaceous iron oxide intermediate paint and polyurethane finish paint are sequentially sprayed, and plasma treatment is introduced in the coating of each layer so as to enhance the interface bonding force of the coating; the uniformity and the corrosion resistance of the coating are optimized by regulating and controlling spraying parameters, plasma processing power and a gas ratio; and finally, a gradient heating curing process is adopted, so that the compactness and durability of the coating are ensured. The method is mainly used for long-term anti-corrosion protection of steel structures such as bridges and buildings, and the anti-corrosion performance and the service life in a complex environment can be remarkably improved.

The invention provides a method for sand blasting and paint removal through a shell medium, and belongs to the field of coating treatment.The method comprises the steps that the type of the shell medium is determined, shells are wild mountain shell peach shells, the shells are smashed and screened to obtain shell particles with the preset size, and the shell particles are loaded into a press-in type sand blasting machine; determining process parameters of sand blasting paint removal, and removing paint on the surface of the part according to the process parameters; different paint removers are selected for softening the paint-removed surface according to different materials, and after a paint layer is softened, the paint removing coating and the paint removers are used; the distance between a press-in type sand blasting machine nozzle filled with the shell particles and the paint removal surface is kept at a preset distance, and the nozzle is uniformly moved to blow off a paint layer on the surface of the part; and after paint removal is completed, shell particles remaining on the surfaces, gaps and small holes of the parts are blown away through compressed air.

The invention relates to the technical field of advanced manufacturing, in particular to a controllable distribution control system for shot blasting, which has the advantages that the processing uniformity is improved, so that the shot distribution standard deviation is reduced to 0.03 mm from 0.15 mm of the traditional process, the surface roughness Ra value is reduced by 30%, the process stability is improved, the equipment comprehensive efficiency (OEE) is improved to 92% from 65%, the residual stress fluctuation range is reduced by 50%, the intelligent level is broken through, and the product quality is improved. The process programming of a new workpiece is completed within 20 minutes, the remodeling time is shortened by 80%, the model training time is shortened by 40%, and the energy consumption is reduced: the processing energy consumption of a single piece is reduced by 18% and the carbon emission is reduced by 15% through parameter optimization.

The invention relates to a preparation method of a high-precision gel injection pressureless sintering silicon carbide ceramic water jet cutter sand pipe, which comprises the following steps: pouring premixed liquid into a mold, and curing to obtain a green body; the inner mold is taken out of the cured blank, then the outer mold and the blank are put into a polyethylene glycol solution to be dried, the blank shrinks when being dried in the polyethylene glycol solution, and demolding is completed; drying the demolded green body on drying equipment, and carrying out vacuum heating to obtain a dried green body; and carrying out pressureless sintering on the dried blank to obtain the silicon carbide ceramic water jet cutter sand pipe. The premixed liquid comprises a monomer, a cross-linking agent, a dispersing agent, a defoaming agent, modified silicon carbide powder, a sintering aid and tetramethylammonium hydroxide, and the modified silicon carbide powder comprises graphene composite silicon carbide and modified carbon nanotubes. The water jet cutter sand pipe has the effect of improving the product quality of the prepared water jet cutter sand pipe.

The invention relates to a water jet attitude detection and calibration device and method, and relates to the technical field of water-guided laser processing and high-pressure water jet cutting. The water jet attitude detection and calibration device comprises an angle adjusting device for adjusting the angle of a processing head; the detection module comprises two groups of correlation type photoelectric sensors, two correlation type photoelectric sensors are longitudinally distributed in each group, one group emits linear light along the X axis of the machine tool, and the other group emits linear light along the Y axis of the machine tool; when the correlation type photoelectric sensor detects that the light intensity reaches a preset light intensity threshold value, a signal is sent out; the value range of the light intensity threshold value is 60%-90% of the initial light intensity; the position adjusting device enables the water jet to pass through two machine tool Y-axis light along the machine tool X-axis and enables the water jet to pass through two machine tool X-axis linear light along the machine tool Y-axis. The correlation type photoelectric sensor is used for replacing the combination of a CCD camera and a sharp mechanical structure, the reaction is more sensitive, the detection efficiency and the detection precision are higher, and the water jet attitude calibration device is suitable for multiple times of rapid water jet attitude calibration under the long-time operation scene of the water-guided laser machine tool.

The invention discloses a CFD (computational fluid dynamics) simulation-based magnetofluid jet shear polishing device and method. The device comprises an industrial five-axis machine tool, a fluid circulation system, a jet polishing module and a CNC (computer numerical control) system. The jet flow polishing module and the machined workpiece 8 are installed on a workbench and a tool installation base of the industrial five-axis machine tool respectively, and five-axis polishing machining can be achieved under the control of a CNC numerical control system. The jet flow polishing module comprises a jet flow tool head and a rotating magnetic field generating device. The rotating magnetic field is applied to the jet flow outlet of the jet flow tool head, ferroferric oxide particles in the polishing solution are driven to be arranged in the magnetic line direction to form a chain structure, the viscosity of the polishing solution is remarkably improved, and the polishing solution is endowed with the high-speed self-rotating motion characteristic. High-speed rotation and enhanced viscosity of the liquid column generate stronger shearing force, so that efficient material removal on the surface of a workpiece is realized.

The utility model provides a polishing sand feeding mechanism of a sand blasting and polishing machine, belongs to the technical field of sand blasting and polishing machines, and aims to solve the problem that the mixing efficiency of the sand is influenced as the conventional sand is easy to agglomerate with a solution. Comprising a liquid distribution cylinder, a sand inlet pipe, a liquid inlet pipe, a discharging pipe, a hybrid driving motor, a stirring shaft, a filtering piece, a stirring and mixing mechanism and a distribution anti-blocking mechanism, the sand inlet pipe is fixedly connected to the upper part of the liquid distribution cylinder; the hybrid driving motor is fixedly connected to the lower part of the liquid distribution cylinder; the stirring shaft is rotationally connected to the interior of the liquid distribution cylinder, and the stirring shaft is coaxially and fixedly connected to the upper end of a rotating shaft of the hybrid drive motor; the filter part is arranged at the upper end of the interior of the liquid distribution cylinder and is of a conical filter screen structure; the stirring and mixing mechanism is arranged in the liquid distribution cylinder; and the distribution anti-blocking mechanism is arranged at the upper end of the stirring shaft, so that full mixing of sand and a solution is ensured, caking of the sand is reduced, and uniform mixing of the sand and the solution is ensured.

The invention belongs to the technical field of hot rolled strip residual stress control, and particularly relates to a sand blasting device of a hot rolled strip residual stress online regulation and control system, a using method of the sand blasting device and the hot rolled strip residual stress online regulation and control system. The non-uniform residual stress value information of the hot rolled strip is obtained through the obtaining mechanism and transmitted to the determining mechanism, and the determining mechanism determines the sand blasting operation information based on the preset relation between the non-uniform residual stress value information and the sand blasting operation information of the sand blaster; and the control system regulates and controls the sand blasting angle of the sand blaster based on the sand blasting operation information and controls the sand blasting parameters of the sand blaster, the sand blaster sprays sand grains to the hot-rolled strip, and the stress of the hot-rolled strip is regulated and controlled. According to the method, non-uniform residual stress in the production process of the hot-rolled strip is regulated on line, operation is convenient, targeted regulation can be conducted on the part with the large difference value, the strip does not need to be damaged, heat treatment does not need to be conducted on the strip again, and time and labor are saved.

The utility model discloses a flow-controllable abrasive feeding device which comprises a charging box, a feeding pipe is communicated with the lower end of the charging box, a booster pump is arranged at one end of the feeding pipe, a discharging pipe is communicated with the other end of the feeding pipe, a discharging valve is arranged on the discharging pipe, the charging box is of a funnel-shaped structure, a feeding pipe is communicated with the charging box, and a discharging valve is arranged on the discharging pipe. An ultrasonic generator is arranged on the charging box, a protection plate is arranged on the charging box, an ultrasonic transducer electrically connected with the ultrasonic generator is arranged on the protection plate, a fixing block is arranged on the charging box, a rotating column is rotationally arranged on the fixing block, a matched sleeve is arranged on the rotating column, a mounting column is arranged on the matched sleeve, and a stirring plate is arranged on the mounting column; compared with the prior art, the grinding material flow control device has the advantages that grinding material accumulation is avoided, blockage is avoided, grinding material supply is continuous and normal, and the grinding material flow can be conveniently controlled.

The utility model relates to an intelligent cleaning device for a sand box, and belongs to the field of industrial automation and intelligent manufacturing. According to the scheme, the rail type RGV is adopted to automatically convey the sand box to the closed intelligent cleaning work station, and the information of the sand box is read through the RFID tag and synchronized to the information system. The cleaning robot scans the position of the sand box through the visual recognition device, and the tool changing robot grabs the adaptive drill bit from the drill bit tool library according to a system instruction and assembles the adaptive drill bit to the electric hammer chuck. And the cleaning robot drills and dredges the sand guide hole of the sand box, returns to the quick change frame to replace the electric pick, and performs multi-angle shoveling and scraping operation on the cavity of the sand box. And after cleaning is completed, the cleaning robot is switched to the sand blasting gun, and fine sand cleaning on the surface of the sand box is completed. The scheme aims at solving the problems that traditional manual cleaning is low in efficiency, severe in environment and large in potential safety hazard.

A surface polishing method for micro inner flow channel, a micro inner flow channel part and a polishing medium. The diameter of the micro inner flow channel is less than or equal to 3 mm and length-diameter ratio is greater than or equal to 50:1. A polishing medium including a liquid phase and a solid phase, and viscosity of the liquid phase <1000 cP, the solid phase includes abrasive particles; a predetermined pressure being set on the polishing medium, making the polishing medium flow in the micro inner flow channel at a flow velocity more than 5 m / s, and flow rate of the polish polishing medium flowing into the micro inner flow channel at one end reaches a saturation flow rate allowed by the bore of the micro inner flow channel, making the hydraulic pressure inside the inner flow channel be in a pressure holding state.

The invention relates to the technical field of ultrahigh-pressure water cutting, and discloses an ultrahigh-pressure water cutting composite material winding sand mixing tank based on a lightweight structure, which comprises a metal cylinder body, and the metal cylinder body is the core part of the whole structure and is used for assembling and connecting other structural members; the two elliptical sealing heads are positioned at the upper end and the lower end of the metal cylinder and are used for sealing the whole structure; the reinforcing layer is positioned on the periphery of the metal cylinder and outside the two elliptical heads and is used for reinforcing the overall structural strength; and the protective layer is located outside the reinforcing layer and the two elliptical sealing heads and used for protecting the whole structure. According to the ultrahigh-pressure water cutting sand mixing tank, the transition section where the elliptical head is connected with the metal cylinder adopts a fillet transition form, stress concentration is reduced, the mechanical property is optimized, the overall safety and reliability of the ultrahigh-pressure water cutting sand mixing tank are improved, the metal cylinder made of high-strength alloy steel is selected, the impact resistance and fatigue resistance of the overall material are cooperatively improved, and the pressure bearing capacity is effectively improved.

The invention discloses an additive manufacturing product surface treatment repairing device stable in supporting, and relates to the technical field of additive surface repairing, the additive manufacturing product surface treatment repairing device stable in supporting comprises a workpiece supporting mechanism and a supporting sliding support installed in the workpiece supporting mechanism, and a mixed material spraying mechanism is arranged at the top of the workpiece supporting mechanism; the workpiece supporting mechanism comprises a drying box, lifting supports are symmetrically installed on the two sides of the interior of the drying box, a motor cover is fixedly installed at the bottom of the drying box, and a lifting motor is fixedly installed on one side of the interior of the motor cover. The output end of the lifting motor is fixedly connected with a chain wheel transmission assembly, when the inner diameter of a workpiece is larger than the distance between the clamping rotating supports, the clamping rotating rods can rotate towards the outer side, a fastening threaded rod is driven to rotate by rotating a fastening rotary knob, a fastening threaded sleeve drives a fastening plate to move, and under the elastic force effect of a fastening spring, the clamping rotating rods can rotate towards the outer side. And the workpiece is fixed by the fastening pressing block.

The utility model relates to an automobile part machining shot blasting device, which belongs to the technical field of automobile part machining equipment and comprises a machining table, a machining box is fixedly mounted in the machining table, a rotary clamping mechanism is arranged in the machining box, and a shot blasting mechanism is fixedly mounted on the outer wall of the machining box. And a waste collecting mechanism is arranged at the bottom of the processing box. The rotary clamping mechanism has the advantages that when the rotary clamping mechanism is used, an automobile part to be machined is placed on the top of the first clamp, the sleeve is rotated so that the height of the top end of the sleeve can be adjusted, and then the first clamp and the second clamp stably clamp the automobile part to be machined; and meanwhile, the motor is started, so that the rotating shaft drives the bottom plate and the top plate to rotate, the automobile spare parts rotate with the vertical center line of the rotating shaft as the circle center, and the shot blasting mechanism can better machine the automobile spare parts.

The invention belongs to the technical field of material welding, and discloses a titanium alloy welding method which comprises the following steps: pretreating a to-be-welded surface of a titanium alloy; the pretreated to-be-welded surface is subjected to sand blasting treatment and magnetron sputtering treatment, and an iron film is sputtered on the to-be-welded surface; the titanium alloy with the to-be-welded surface sputtered with the iron film is subjected to annealing treatment in the argon atmosphere; and the to-be-welded surface of the sputtering iron film is welded through a diffusion welding process. According to the characteristic that the iron element can promote mutual diffusion of the titanium alloy, surface sand blasting, magnetron sputtering, stress relief annealing and diffusion welding processes are combined, so that the titanium alloy is tight in interface connection and complete in grain, the plasticity is not obviously reduced while the strength of the titanium alloy is kept, and the requirement for large-scale and integrated aero-engines can be met.

The invention discloses a TR380 type impeller head structure optimization method based on an EDEM discrete element method. The TR380 type impeller head structure optimization method comprises the steps that a three-dimensional model of a TR380 type impeller head is established through three-dimensional cartographic software; dividing a TR380 type impeller head grid, converting a file format and importing the file format into an EDEM (Extensible Description Model); and simulating the shot blasting process by using an EDEM discrete element method. EDEM simulation software is used for conducting simulation analysis on movement and collision of particles in the impeller head, the influence of different structure parameters on the structure abrasion condition of the impeller head can be simulated, then structure optimization design is conducted, the abrasion degree of the impeller head is reduced, the service life of the impeller head is prolonged, and the service life of the impeller head is prolonged. The optimized impeller head structure can better complete the tasks, meanwhile, due to the fact that the abrasion degree of the impeller head structure is reduced, frequent shutdown for maintenance is not needed, the production efficiency is improved, the replacement frequency and the maintenance cost of the impeller head are reduced, meanwhile, the production efficiency is also improved, the production cost can also be saved, and the production cost is reduced. And the requirements of workers are met.

The invention relates to the technical field of aero-engine turbine blade machining, and discloses a gas-driven abrasive particle polishing device for an inner cavity and a gas film hole of a turbine blade, the gas-driven abrasive particle polishing device comprises a box body and a clamping assembly arranged in the inner cavity of the box body and used for clamping the turbine blade, and polishing output assemblies are arranged on the two sides of the box body in a penetrating mode. The inlet end of the polishing output assembly communicates with an abrasive particle mixing assembly, the abrasive particle mixing assembly is used for feeding abrasive particles and gas into the polishing output assembly after the abrasive particles and the gas are pressurized and mixed, and the outlet end of the polishing output assembly is divided into two paths to communicate with the two sides of the turbine blade; and a collector for collecting discharged abrasive particles is arranged at the lower part of the box body. The polishing device is simple in overall structure, low in technical requirement for workers, easy and convenient to operate by the workers, single in polishing medium and low in manufacturing cost; the polishing medium is convenient to recycle without additional processing and recycling; two-way air inlet is achieved, and the polishing efficiency is high; the blade clamp is large in clamping range, suitable for installing different types of blades and easy, convenient and efficient to replace.

The invention relates to the technical field of anchor withdrawing vehicles, and discloses an abrasive jet cutting anchor withdrawing vehicle and a using method thereof. The mechanical arm comprises an adjusting arm, a multi-section arm, an executing arm and an adjusting assembly; the adjusting assembly comprises a first connecting rod, a second connecting rod, a driving shaft and a hydraulic cylinder, one end of the first connecting rod is rotationally connected with the adjusting arm, one end of the second connecting rod is rotationally connected with the head section of the multi-section arm, and the other ends of the first connecting rod and the second connecting rod are rotationally connected through the driving shaft; the output end of the hydraulic cylinder is rotationally connected with the driving shaft. According to the abrasive jet cutting anchor withdrawing vehicle and the using method thereof, the mechanical arm is adjusted to be in the limit contraction state, and the moving convenience of the abrasive jet cutting anchor withdrawing vehicle in a roadway is greatly improved; the mechanical arm is adjusted to be in the ultimate extension state, and the high-altitude anchor cable withdrawing device can be suitable for high-altitude anchor cable withdrawing under the condition that the requirement for the overall length of the mechanical arm is small.

The invention belongs to the technical field of stainless steel pipe production, and particularly relates to stainless steel pipe production cleaning equipment which comprises a pair of cleaning frames, a pair of soaking cylinders are symmetrically arranged on the two sides of each cleaning frame, a supporting frame is installed at the end of each cleaning frame, and a plurality of fixing barrels are fixedly connected to the top end of each supporting frame. An inserting rod is inserted into the fixing cylinder, a plurality of supporting assemblies are fixedly connected to the surface of the inserting rod, supporting blocks are fixedly connected to the ends, away from the inserting rod, of the supporting assemblies, and a transmission notch is formed in the top end of the uppermost supporting block; when the stainless steel pipe production cleaning equipment is used, a rotating shaft drives a sponge block to move in a stainless steel pipe and controls the sponge block to rotate, the sponge block can be matched with clear water to clean the inner wall of the stainless steel pipe along with movement of an inserting rod in the stainless steel pipe, and compared with pure clear water flushing, the cleaning effect is more excellent; and firm dirt attached to the inner wall of the stainless steel pipe can be fully cleaned.

The present application relates to the manufacturing technical field of aero-engine blisk, in particular to an integrated forming machining method for blisk machining, which combines abrasive water jet rough machining, electrolytic machining and self-adaptive polishing machining to form an integrated machining method. First, the characteristics of the theoretical model of the blisk part are analyzed, simplified and reconstructed to build a water jet machining process model of the blisk. Then, the abrasive water jet equipment is applied to remove the material of the rough machining of the blade body. After that, the double-sided feeding electrolytic finishing method is determined to machine the blade body and the flow channel of the blisk. Then, the blade body and the flow channel are machined by a sand belt robot. Finally, the precision machining of the blisk is completed. The present application combines the advantages of abrasive water jet rough machining, electrolytic machining and self-adaptive polishing machining, re-plans the machining method and technical path of the blisk, effectively reduces the machining difficulty of the part, finally guarantees the dimensional accuracy and position accuracy of the part, and realizes the high-performance manufacturing and machining of the blisk.

The invention discloses an induction type sand blasting gun which comprises a wind tunnel gun body and a wear-resistant sand blasting pipe installed on the wind tunnel gun body. The induction ejector comprises a wear-resistant induction ring, the wear-resistant induction ring is mounted at a nozzle part of the wear-resistant sand blasting pipe, the wear-resistant induction ring and the wear-resistant sand blasting pipe are coaxially arranged, an air injection assembly is mounted at the end, close to the wear-resistant sand blasting pipe, of the wear-resistant induction ring, and the air injection assembly communicates with the wear-resistant induction ring; an output port of the air injection assembly is parallel to the inner wall of the wear-resistant induction ring, an air supply bridge pipe is installed on the air injection assembly, and one end of the air supply bridge pipe fixedly communicates with an air supply pipe of the wind tunnel gun. Wherein the air supply bridge pipe is provided with a pressure regulating mechanism, and the pressure regulating mechanism is used for controlling the air supply pressure. The air jet flow sprayed by the air nozzle has an energy gathering effect on the sand blasting jet flow flowing in the same direction, so that the problem of divergence of the sand blasting jet flow of the wind tunnel gun is inhibited, and the original problems of jet flow divergence and non-concentrated energy are improved.

A mixed abrasive synergistic enhancement immersion microjet processing system and method for RB-SiC ceramic microstructures is characterized by: the micro-abrasive air jet nozzle is driven by an active rack and driven gear, and one end is connected to a precision sandblasting machine containing micron-sized abrasive particles; its output end is immersed in a slurry tank containing submicron / nano-sized abrasive particles; the micro-abrasive air jet nozzle ejects a gas-solid two-phase flow and generates a large number of microbubbles; the driving effect of the microbubbles effectively mixes the submicron / nano-sized abrasive particles in the slurry tank with the gas-solid two-phase flow ejected by the micro-abrasive air jet nozzle, thereby obtaining a mixed abrasive synergistic enhancement immersion microjet; the waste liquid passes through a primary filter particle recovery outlet, a secondary filter particle recovery outlet, and a tertiary filter particle recovery outlet in real time, where the micron-sized abrasive particles and erosion debris are screened, dried, and classified for collection, ultimately achieving efficient and high-quality processing of RB-SiC ceramic microstructures.

The utility model provides a sand blasting room for surface processing, which comprises a sand blasting room body, a net chain conveyor is correspondingly arranged at the bottom in the sand blasting room body, and the net chain conveyor correspondingly penetrates through the sand blasting room body; first sand blasting pipes capable of synchronously lifting up and down in a reciprocating manner are correspondingly arranged on the side walls of the two sides in the sand blasting room body, and a plurality of nozzles are mounted on the sides, away from the inner wall of the sand blasting room body, of the first sand blasting pipes at intervals; a plurality of second sand blasting pipes are mounted at the top in the sand blasting room body at intervals, and a plurality of nozzles are also mounted at the bottoms of the second sand blasting pipes at intervals; and the first sand blasting pipe and the second sand blasting pipe are correspondingly connected with an external sand blasting tank through pipelines. According to the utility model, the number of the sand blasting pipes and the nozzles in the sand blasting room body is effectively reduced, the manufacturing cost is reduced, the economical efficiency is better, the overall design is simple and ingenious, the use and work are very flexible and convenient, and the practicability is strong.

The utility model belongs to the technical field of roller texturing treatment, and provides a roller texturing shot blasting machine which comprises a roller conveying structure, a shot blasting structure is arranged at the top of the roller conveying structure, and a recycling structure is arranged on the shot blasting structure. The shot blasting structure comprises a shot blasting material box, two shot blasting openings are symmetrically formed in the bottom end of the shot blasting material box, and shot blasting rotating plates are arranged in the two shot blasting openings through rotating shafts; the recycling structure comprises a recycling bin, a conveying pipe is inserted into the bottom end of the recycling bin, an air pump is inserted into the other end of the conveying pipe, the air pump is fixedly installed on the shot blasting material box, and a recycling pipe is inserted into the other end of the air pump. The problem that the collecting efficiency is reduced due to the fact that shot blasting materials continuously collide with the outer surface of a roller and need to be manually collected due to the counter-acting force of collision when existing equipment carries out shot blasting to carry out roller texturing behaviors is solved.

The utility model relates to a system for increasing the surface roughness of a wire rod, which comprises a sand blasting chamber, a plurality of sand blasting modules, a wire rod winder and an air compressor, the plurality of sand blasting modules are fixed in four orthogonal directions in the sand blasting chamber, and a metal wire enters the sand blasting chamber and is jetted by sand-containing airflow from the four orthogonal directions; the wire winder is arranged on one side of the plurality of sand blasting modules and is used for winding the metal wire subjected to sand blasting treatment; the air compressor is connected with all the sand blasting modules and used for providing compressed air for the sand blasting modules. Compared with the prior art, the multi-direction sand blasting technology is adopted, the roughness of the surface of the metal wire is improved, the bonding strength of the wire and the glass beads is enhanced, and therefore the reliability, durability and electrical performance of the metal wire in electronic packaging application are remarkably improved.

The invention relates to the technical field of metal surface cleaning, in particular to an abrasive adding control method and device. According to the specific scheme, the slurry control box is arranged, the water valve and the sand valve are arranged below the slurry control box, and then the PLC control device monitors and controls the operation speed and the machining quality of a workpiece, so that the flow of the sand valve and the flow of the water valve are controlled, the water-sand proportion concentration and the flow are precisely controlled, and precise control over the cleaning quality is achieved.

The invention provides a surface treatment method for an X-ray beryllium sheet, and relates to the technical field of metal surface treatment. The method comprises the following steps that S1, according to the preset grinding machining amount, a double-end-face grinding machine is adopted for conducting surface grinding on a beryllium sheet; s2, soaking the beryllium sheet subjected to surface grinding in an organic solvent for primary surface cleaning, and then taking out the beryllium sheet subjected to primary surface cleaning, wiping and airing; s3, the beryllium sheet obtained in the step S2 is adsorbed to a vacuum suction cup and then placed on a crawler belt of a sand blasting machine, and uniform sand blasting is conducted on the beryllium sheet through a swinging sand blasting gun; wherein the material for uniform sand blasting is glass beads, and the mesh number of the glass beads is 80-120; and S4, carrying out secondary surface cleaning on the beryllium sheet subjected to uniform sand blasting by adopting an organic solvent, wiping, airing and then carrying out vacuum packaging. The X-ray beryllium sheet treated by the method is matte in surface and uniform in color.

A fluid-driven dual-mode abrasive perforation tool which is selectively operable to switch between abrasive and neutral mode is disclosed. In the abrasive mode, jets of abrasive fluid are delivered on to perforate the target site. A ratchet path having mated peaks and valleys on the surface of a J-slot piston included in the tool is engaged with guiding pins. On longitudinal sliding of the piston due to guided inflow and interruption pressurized abrasive fluid through the tool, the guiding pins cause rotation of the piston. Rotation of the piston alternately aligns a pair of flow channels included in the piston with flow paths for ejecting jets of pressurized abrasive fluid and flow paths for non-abrasive ejection of pressurized fluid. When the pair of flow channels of the piston get aligned with flow paths for ejecting jets of pressurized abrasive fluid, the tool is operated in the abrasive mode.

The invention relates to the technical field of abrasive material supply, and discloses a remote abrasive material continuous supply quantitative sand feeding system which comprises a remote abrasive material supply module and a continuous quantitative sand supply module, the remote abrasive material supply module comprises a sand storage box, a connecting hose and a sand supply tank, the connecting hose is provided with a non-return assembly, the sand supply tank is provided with an air blowing valve, and the sand supply tank is provided with a sand outlet; the continuous quantitative sand supply module comprises a sand blasting assembly and a sand supply hopper, the sand supply hopper is provided with a sand inlet, a sand outlet is communicated with the sand inlet through a sand supply pipe, the sand supply tank is provided with a first exhaust valve, the sand supply hopper is provided with a second exhaust valve, the sand blasting assembly comprises a sand supply roller and a driving part, and the sand supply roller is provided with a tooth groove; the non-return assembly is arranged to separate the sand storage box from the sand supply tank, so that the sand storage box is in a normal-pressure state, materials can be fed into the sand storage box at any time, and abrasive fine sand can be continuously conveyed for a long distance under the action of dual driving of gravity and air pressure difference by combining with mutual matching of the non-return assembly and the blowing valve.