71 results about "Abrasive blasting" patented technology

The invention particularly discloses a sand blasting and coating integrated production device used after PE sheet extrusion. The sand blasting and coating integrated production device comprises an unwinding roller, a machine body and a drying box which are continuously arranged. A plurality of guide rollers are arranged on the machine body and used for guiding the PE sheets on the unwinding roller into the drying box; a surface treatment mechanism, a glue spraying mechanism and a glue scraping mechanism are sequentially arranged on the machine body in the movement direction of the PE sheet; the surface treatment mechanism comprises a main shell, and a sand blasting treatment assembly is arranged on one side of the main shell and used for conducting sand blasting cleaning on the surface of the PE sheet. A processing roller assembly is arranged at the bottom of the main shell and used for conducting galling processing on the PE sheet. And a suction assembly is arranged on the other side of the main shell. Through process integration and structure optimization, the production efficiency is improved, the product quality is guaranteed, meanwhile, environment-friendly and energy-saving production is achieved, and the device has remarkable technical advantages and practical value and can be widely applied to large-scale machining and production of PE sheets.

This disclosure relates to the field of waste resource utilization technology, and in particular to a method and apparatus for preparing coal gangue blasting abrasive, as well as the coal gangue blasting abrasive itself. The method includes: feeding coal gangue tailings to a hydrocyclone for coal slime removal to obtain coarse-grained coal gangue; centrifuging the coarse-grained coal gangue to obtain dehydrated coal gangue; and feeding the dehydrated coal gangue into a hot air drying system for drying to obtain dried coal gangue blasting abrasive. Through targeted coal slime removal, the amount of dust generated during the blasting process of the coal gangue blasting abrasive can be reduced, improving the environment; processing coal gangue tailings into coal gangue blasting abrasive results in extremely low raw material costs, and the entire process allows for wastewater recycling without secondary pollution.

The application discloses the technical field of metal pipe surface treatment and relates to a deburring device for spiral micro-ribbed pipes. In view of the problems of the prior art, such as the easy embedding of heterogeneous abrasive into the base body and the incapability of existing equipment to match the spiral micro-rib pitch characteristics, the application provides a non-damage, high-precision and environment-friendly deburring device.The device comprises a fully-closed sandblasting box, a clamping mechanism, a ring-shaped sandblasting mechanism, a translation mechanism and a sandblasting recovery mechanism, the device uses particles of the same material as the pipe as the sandblasting abrasive, controls the moving speed of the ring-shaped sandblasting mechanism along the axial direction of the pipe, the rotating speed of the pipe and the spiral micro-rib pitch to meet a synchronous relationship, makes the sandblasting track completely coincide with the spiral micro-rib and realizes accurate deburring along the rib.Meanwhile, the fully-closed box is matched with a negative pressure dust removal and an abrasive recycling system to realize dust-free operation and repeated use of the abrasive.The application fundamentally avoids the embedding of the abrasive into the base body and damage to the base body, and guarantees the dimensional accuracy and the appearance consistency of the micro-rib.

A carrier assembly for holding a hose that includes a main body having a first portion selectively moveable to engage with a second portion at an at least one contact point. Either the first portion or the second portion is configured with a gripper feature. The carrier assembly is movable between an open position and a closed position.

TITLE: METHOD FOR FINISHING A PART MADE BY DEPOSIT AND SOLIDIFICATION OF SUCCESSIVE LAYERS OF POWDER AND PART OBTAINED BY THIS METHOD. One aspect of the invention relates to a method for finishing a part made by depositing and solidifying successive layers of a powder, characterized in that it comprises: a roughing step (E1) by sandblasting a portion of a surface of the part with an initial roughness (Ra0) using a first sand (S1) having a rough grain size (G1) and projected at a rough sandblasting angle (A1) and a rough sandblasting pressure (P1) until a rough roughness (Ra1) of the portion of the surface of the part is achieved, and a finishing step (E2, E2') of the portion of the surface of the part until a Final roughness (Ra2) of the surface area of ​​the part, with the final roughness (Ra2) lower than the roughing roughness (Ra1). Figure to be published with the abbreviation: Figure 2

The application discloses an aluminum melt spraying reinforced film blocking plate for filter sand blasting pretreatment, which comprises a base layer and an aluminum melt spraying porous rough coating, the aluminum melt spraying porous rough coating is arranged on the upper surface of the base layer, the thickness of the aluminum melt spraying porous rough coating is 150-250 mu m, the porosity of the aluminum melt spraying porous rough coating is 8-12%, and the surface roughness of the aluminum melt spraying porous rough coating is 100-150 mu m. The aluminum melt spraying porous rough coating forms a porous rough coating on the surface of the base layer through an aluminum melt spraying process, which is a porous rough structure formed by high-speed atomization deposition of molten aluminum, can be closely attached to the working surface of the base layer, is combined with the base layer through mechanical engagement, is used for grabbing sand blasting dust to prevent the sand blasting dust from falling off and anchoring a redundant film layer of a plated film, can effectively solve the problem that the dust is easy to fall off, and thus can make sand blasting uniform, improve the adhesion of the film layer and reduce the point defect rate.

This application discloses a quick-change abrasive coating nozzle device, including a mounting frame and a nozzle body. The mounting frame is installed on the spraying equipment, and the nozzle body is connected to the mounting frame via a locking part. The mounting frame is provided with a connecting sleeve, and the top of the nozzle body is provided with a mounting sleeve that passes through the connecting sleeve. The locking part includes multiple sets of locking components and a starting ring. The locking components can switch between compressed and expanded states. In the expanded state, they are locked inside the connecting sleeve, and the starting ring is sleeved on the connecting sleeve. Rotation can switch the state of the locking components. A connecting pipe is provided inside the connecting sleeve. One end of the nozzle body is provided with a liquid inlet pipe, and the other end is provided with a nozzle. The connecting pipe is connected to the liquid inlet pipe and a sealing component is provided between them. The connecting pipe is also connected to the spraying equipment. This device can realize tool-free quick disassembly and assembly of the nozzle body, simplifying the replacement process and shortening the replacement time. At the same time, the sealing component reduces abrasive leakage, improves the operational stability of the device, and ensures continuous abrasive coating operations.

The invention discloses a method for blasting sand on the inner wall of an oil pipe through brown aluminum oxide. The method comprises the steps of oil pipe protection, pretreatment, sand blasting treatment, aftertreatment and coating. According to the method for blasting the sand on the inner wall of the oil pipe by using the brown fused alumina, the brown fused alumina is used as a sand blasting grinding material for the inner wall of the oil pipe, can be broken in the sand blasting and circulating processes, cannot become a pill shape due to the loss of edges and corners like steel sand, and can always keep sharp edges and corners, so that a micro-form of rough anchor pattern standing is formed on a treated surface, and the specific surface area is greatly increased. The surface morphology of steel treated by taking steel grit and steel shots as sand blasting grinding materials on the inner wall of the oil pipe is improved, pollutants attached to the surface of brown aluminum oxide particles are also separated after the brown aluminum oxide particles are crushed, and secondary pollution of the grinding materials to the cleaned surface is effectively reduced. The secondary pollution degree is solved in the sand blasting process, and contributions are made to solving the problem that the adhesive force of a coating is increased in the pretreatment section of cleaning the inner wall of the oil pipe.

The application discloses a special sand-blasting triangular belt with wear-resistant top glue, which comprises a strong layer, a stretching layer, a compression layer, a cloth layer and wear-resistant top glue; the strong layer is polyester steel wire; the stretching layer and the compression layer are adhered to the upper and lower sides of the strong layer; the cloth layer is wrapped outside the strong layer, the stretching layer and the compression layer to form a basic triangular belt; and the basic triangular belt is provided with a layer of wear-resistant top glue on the top. The triangular belt is provided with a layer of wear-resistant top glue on the top, which improves the wear resistance of the top surface; the triangular belts are arranged side by side to form a sand-blasting production line conveying line, which can complete the conveying task, effectively avoid the accumulation of the sprayed material, improve the sand-blasting effect and reduce the energy consumption of the conveying line; and the wear-resistant top glue can withstand the impact of the sprayed material and is not easy to wear, so that the service life of the triangular belt in the sand-blasting production line is long.

The invention provides a surface treatment method which is suitable for a metal base material, and the metal base material is provided with an appearance surface. The surface treatment method includes the following steps. The method comprises the following steps of: firstly, performing surface sand blasting treatment on the appearance surface to form a sand blasting surface; then, an electrolyte is matched, and micro-arc oxidation treatment is performed on the sand blasting surface, so that a micro-arc oxidation surface is formed. Then, forming a coating to cover the micro-arc oxidation surface; wherein the electrolyte comprises the following components: sodium phosphate, sodium silicate, sodium aluminate, potassium fluoride, potassium hydroxide, ammonium vanadate, potassium vanadate, disodium ethylene diamine tetraacetate (Na2EDTA) and sodium tetraborate.

The invention relates to the field of industrial solid waste steelmaking slag resource regeneration, and discloses a steel slag-based non-metal abrasive and a preparation method thereof, the abrasive comprises the following components: 89wt%-94wt% of molten steel slag, 1.28 wt%-4.68 wt% of iron tailings, and 3.38 wt%-7.71 wt% of lime; the preparation method comprises the following steps: (1) pouring molten steel slag, iron tailings and lime into a tundish, mixing, and uniformly stirring; (2) heating the mixture to 1500-1600 DEG C in the tundish, and then crushing and granulating the molten mixture by using a gas quenching and granulating device to obtain gas-quenched steel slag; and (3) drying the gas-quenched steel slag, and screening to obtain the non-metal grinding material. According to the invention, the industrial solid waste and the auxiliary materials are reasonably and scientifically matched, so that the industrial waste residue is quenched and crushed to produce an amorphous nonmetal product with higher chemical stability, and the amorphous nonmetal product is screened to obtain a nonmetal abrasive product which meets the standard requirements of sand blasting abrasives and has stable performance indexes.

Bearing having copper-based lining 3, a polymer-based overlay 5, and a chemically resistant interlayer 4. The interlayer surface 4a facing the polymer overlay may be roughened by grit blasting to 0.4

The application relates to the field of cutting tool manufacturing, and discloses a sand blasting device and method for surface treatment of a cutting tool. The method comprises the following steps: clamping and fixing a tool to be treated, collecting shape, size, thickness and spatial position information of the tool to be treated through a visual recognition measurement component, and generating real-time geometric data; an intelligent control system matches optimal sand blasting process parameters according to the similarity between the data and a preset process parameter database, calculates the motion trajectory of each component, and sends initial control instructions; a tool posture regulation component adjusts the spatial pose and placement position of the tool, so that the cutting edge is directly opposite the jet flow of a spray gun; a sand material conveying component switches to a corresponding abrasive material bin and conveys abrasive materials with adaptive particle sizes; a sand blasting execution component adjusts the position and spraying angle of the spray gun and sprays the abrasive materials; feedback data is continuously collected during sand blasting, and if there is a deviation from target parameters, correction instructions are generated to dynamically compensate for errors, until the requirements are met. The application improves the control precision of the cutting edge parameters of the tool, the processing consistency and the production efficiency.

A system for treating a gas turbine component to alter a surface thereof is disclosed. The system includes a composite blasting media configured to be blasted onto a surface of the gas turbine component using a blasting device. The composite blasting media includes a carrier material and an abrasive media embedded in the carrier material. The carrier material is capable of entrapping at least a portion of a substance released from the surface as a result of contact with the composite blasting media.

The invention discloses a targeted sandblasting derusting device for a butt weld under a large water supply pipeline hole, which relates to the technical field of sandblasting devices for pipeline derusting and comprises a hard conveying pipe penetrating through the axis of a machine body. According to the targeted sand blasting derusting device for the butt weld under the large water supply pipeline hole, water drops left on the welding surface of the pipeline and coarse gravels and dust adhered to the water drops are scraped off by the scraping and conveying mechanism during sand blasting, so that the gravels and the dust are quickly stripped, and the dust, the gravels and rust chips are promoted to float in the air; floating particles can be brought into the protective cover through airflow generated by the fan to be collected in a centralized mode, the airflow, dust, gravel and rust are filtered through the filter cartridge, the rust on the surface of the filter cartridge is adsorbed through the adsorption mechanism, and the dust, gravel and rust can be pretreated while the dust, gravel and rust are brought out of the water supply pipeline; the water supply pipeline is prevented from being blocked, and the sand blasting derusting quality and efficiency are improved.

The utility model discloses AG frosted surface water sand blasting sword shape waterfall shower nozzle relates to frosted technical field, including first half casing, the one side of first half casing places second half casing, places the baffle between first half casing and second half casing, the bottom space of first half casing, second half casing and baffle is provided with the export, the one side fixed coupling of first half casing has a plurality of first joint, the one side fixed coupling of second half casing has a plurality of second joint, the inside of second half casing is provided with first cavity, one end of second joint all is linked with first cavity inside intercommunication, this AG frosted surface water sand blasting sword shape waterfall shower nozzle is set up with first half casing, second half casing and export, lets sand water mixture even covers glass surface with waterfall shape, and single spraying sand area increases greatly, makes sand blasting efficiency compared with traditional equipment and promotes greatly, ensures the evenness of product surface, effectively avoids the quality problem caused by uneven sand blasting.

A method for manufacturing a golf club head comprises a step of preparing a head main body having a plane forming a ball striking face; a step of forming, in the plane, a primary groove having a groove depth exceeding the upper limit depth specified by the Rules of Golf; and a step of surface-trimming the plane to obtain a secondary groove having a groove depth complying with the Rules of Golf while maintaining the shape of the groove bottom of the primary groove, wherein the surface treatment is a blasting treatment in which abrasive materials are collided against the plane.

The present disclosure discloses an oscillator for stirring and vibration of sponge abrasive blast, and relates to the technical field of sponge abrasive blasting machines. To overcome the technical deficiencies of a screw rod propulsion structure adopted by an existing sponge abrasive blasting machine, the oscillator comprises a tank, a stirrer disposed in the tank and a power mechanism for driving the stirrer, wherein the stirrer comprises a drive shaft in a flat strip-shaped structure, an upper end of the drive shaft is in transmission connection with the power mechanism, a bottom end of the drive shaft is inserted into a discharge channel of the tank, and each side wall of the drive shaft is connected with more than two flexible stirring arms in spring structures. With the adoption of the drive shaft in the flat strip-shaped structure, a part of an airflow in an airflow pipeline can be intermittently introduced into the tank to blow off a sponge abrasive stuck in corner positions during the rotation of the drive shaft, and meanwhile, under the stirring and vibration of more than two flexible stirring arms in the spring structures connected to each side wall of the drive shaft, the discharging is smooth and thorough.

The application discloses a regionalized method for improving top coal caving rate based on well up and down combined operation, which comprises the following steps: step one, constructing an accurate three-dimensional geological model of the target coal seam roof; step two, constructing a horizontal directional long borehole along the minimum horizontal principal stress direction of the coal seam roof; step three, performing directional sand blasting and tight cutting in the horizontal directional long borehole; step four, performing fracturing construction on the horizontal directional long borehole by well up and down combination; step five, performing directional sand blasting and tight cutting and fracturing construction on all the horizontal directional long boreholes; and step six, mining the bottom coal, and the reformed top coal naturally falls under the overburden pressure, thereby improving the top coal caving rate. The application can inject high-pressure water into the target top coal through the horizontal directional long borehole of the coal seam roof, when the water pressure reaches the coal rock mass cracking pressure, cracks are generated in the coal seam roof and the top coal and are extended, the integrity of the top coal is damaged, and the purposes of weakening the coal rock mass and improving the top coal caving rate are achieved.

To provide an electrostatic chuck and a manufacturing method of the electrostatic chuck, which reduce scratches generated on a rear surface of a substrate held by the electrostatic chuck.SOLUTION: The electrostatic chucks 1111 for holding the substrate W each include a dielectric (ceramic member 1111a), electrodes disposed inside the dielectric, and a gas outlet 300 through which a heat transfer gas flows out, wherein the dielectric includes an upper surface 200, a plurality of protrusions 201 protruding upward from the upper surface and supporting the substrate, and a seal band 202, and the protrusions each include a crystalline base and an amorphous surface layer disposed on the base. A method of manufacturing an electrostatic chuck includes a step of forming an amorphous surface layer, a step of polishing the surface layer to form a polished surface, and a polishing step of polishing the surface layer by blasting to form the polished surface. The blasting treatment may be performed using an elastic abrasive.SELECTED DRAWING: Figure 3

The utility model relates to a kind of abrasive automatic sorting's sandblast house, belong to abrasive automatic sorting technical field.The abrasive automatic sorting's sandblast house, comprising: vibrating screen, the top of the vibrating screen is fixedly connected with feed hopper;Scattering mechanism, the scattering mechanism includes rotationally connected in feed hopper inner wall's pivot, the pivot one end is fixedly connected with first motor, the surface of the pivot is fixedly connected with annular distribution's nylon rope, the inner wall of the feed hopper is slidably connected with openwork plate;Through openwork plate for controlling the amount of steel ball abrasive that falls on pivot and nylon rope, avoid steel ball abrasive too much to fall on pivot and nylon rope, and then affect the scattering effect of agglomerated steel ball abrasive to nylon rope, by first motor, pivot and nylon rope cooperate with each other, scattering to the steel ball abrasive in feed hopper is realized, reduce the amount of agglomerated steel ball abrasive that falls into vibrating screen, to reduce the probability that sieve hole on vibrating screen is blocked.

The invention discloses a surface coating process of a main shaft for a numerical control machine tool, and relates to the technical field of coating of main shafts of numerical control machine tools, and the surface coating process comprises the following steps: carrying out soft sand blasting on the main shaft, fixing the main shaft on a sand blasting table, carrying out 0.2 MPa low-pressure sand blasting for 3 minutes by using modified starch microspheres as a sand blasting medium, and cleaning the surface of the main shaft by using deionized water at 60 DEG C, fixing the main shaft in a suspension manner by using an elastic polyurethane clamp, putting the main shaft into a PVD vacuum coating chamber, and mounting a composite target material, a chromium target and a high-purity graphite target; modified starch microspheres are used as a soft sand blasting abrasive material, a soft matrix of the modified starch microspheres has excellent elasticity and plastic deformation capacity, the surface texture consistency of the spindle is guaranteed, and matrix microcracks and precision damage caused by a traditional hard abrasive material are avoided; by using the composite target material, a composite ceramic phase formed by nuclear phase zirconium dioxide and titanium dioxide has high hardness and excellent toughness, and the impact resistance of a subsequent coating can be enhanced through a stress buffer effect.

A blasting container for blasting workpieces with abrasive media has a wall with openings for the abrasive media to exit. Covers are located over the openings on the outside of the wall.

The invention relates to the technical field of reinforcing steel bar pretreatment, in particular to a disc type reinforcing steel bar straightening pretreatment device which comprises a frame mechanism, the frame mechanism comprises a vertical plate and a fixing plate, a connecting assembly is arranged between the vertical plate and the fixing plate, a first round opening is formed in the vertical plate, a second round opening is formed in the fixing plate, and the first round opening is communicated with the second round opening. The diameter of the first circular opening is larger than that of the second circular opening, and the height of the circle center of the first circular opening is smaller than that of the circle center of the second circular opening. The two ends of the sand blasting separation barrel are fixed to the inner wall of the first circular opening and the inner wall of the second circular opening correspondingly, the surface of the reinforcing steel bar is washed through abrasive flow, rust slag is removed, the abrasive flow forms rotating airflow in the barrel and fully collides with the surface of the reinforcing steel bar in the traction process, the rust slag and oxide skin on the surface of the reinforcing steel bar are stripped, and the rust slag and the oxide skin on the surface of the reinforcing steel bar are removed; rust slag at the corners and the bent parts of the reinforcing steel bars is stripped, materials are filtered through the filter screen, and abrasive materials on the surface of the filter screen are recycled.

The invention discloses a self-sharpening gas quenching steel slag sand blasting abrasive material as well as a preparation method and a cyclic application method thereof. The preparation method comprises the following steps: S1, controlling the alkalinity CaO / SiO of liquid steel slag at the temperature of 1600 DEG C or above to be 1.88-2.08; the liquid steel slag is drained to a gas quenching device, and impact granulation is conducted through high-speed airflow sprayed out of a Laval nozzle; the gas quenching pressure is controlled to be 0.25 to 0.40 MPa, and the Mach number of a spray hole is controlled to be 1.2 to 1.6; and S2, cooling and solidifying the granulated slag drops, and collecting to obtain the self-sharpening gas quenching steel slag sand blasting abrasive. The invention relates to the technical field of industrial solid waste resource utilization and surface treatment. According to the self-sharpening gas quenching steel slag sand blasting grinding material and the preparation method and the cyclic application method thereof, the stability problem is solved, more importantly, enrichment of a high-hardness and wear-resistant iron-containing phase in slag at the edge of slag particles is promoted, a unique hard shell-soft core structure is formed, and self sharpening of the grinding material under impact is achieved.

This utility model discloses a dental air-blasting device, including a handle, a nozzle, and an air tube. The handle has independent water channels and air-abrasive channels. The nozzle has a mounting hole. The air tube is stepped, with its larger end inserted into the mounting hole and connected to the nozzle, and the other end extending out of the nozzle. The air tube is inserted into and communicates with the air-abrasive channel, forming a liquid outlet between the air tube and the inner wall of the mounting hole. The water channel communicates with the liquid outlet. This utility model features a stepped air tube, with its larger end inserted into the front of the air-abrasive channel. This design prevents high-speed abrasive powder from directly impacting the nozzle, and the larger thickness of the larger end of the air tube provides impact resistance. The smaller thickness of the smaller end facilitates the formation of a ring-shaped liquid outlet between the air tube and the mounting hole, achieving water and abrasive powder separation and reducing the likelihood of abrasive clogging. Furthermore, the design of one end of the air tube protruding from the nozzle ensures that the water and abrasive are mixed outside the nozzle, away from the mounting hole, further reducing the likelihood of abrasive clogging.

The invention relates to a method for manufacturing a component with a tensile strength Rm of at least 1,300 MPa, comprising the steps of: providing a blank (1) coated with an anti-scale coating made of a press-hardenable steel material with a carbon content ≥ 0.20 wt%, wherein the anti-scale coating comprises a binder and metal pigments; feeding the coated blank (1) into a hot forming machine for heat treatment; heating the coated blank (1) by means of a furnace unit of the hot forming machine to a temperature above the austenitizing temperature Ac3 of the steel material, preferably more than 800 °C, and maintaining the temperature of the coated blank (1) by means of the furnace unit for a certain period of time, wherein the coated blank (1) is exposed – at least temporarily – to an oxidizing atmosphere during the heat treatment; and inserting the coated blank (1) into a hot forming / press hardening tool.wherein the coated blank (1) is formed into a component in the hot forming / press hardening tool in a hot forming step and / or hardened by contact pressure over a holding time, removal of the component from the hot forming / press hardening tool and optional removal of the scale protection coating by abrasive blasting. The invention further relates to a corresponding component in the form of a hot-formed and / or press-hardened blank (1) made of a steel material with a mean carbon content ≥ 0.20 wt%, with a tensile strength Rm of at least 1,300 MPa.

This utility model provides a sandblasting abrasive recycling and purification device, comprising: a lower processing box, an upper processing box fixedly connected to the bottom of the lower processing box, a feed pipe connected to the top of the upper processing box, and a coarse material tray, a metal shavings tray, a fine material tray, and a crushed material tray slidably mounted on the lower processing box; a screening section installed inside the upper processing box; a material equalization section fixed to the bottom of the lower processing box and connected to the screening section; and a purification section installed inside the lower processing box and located below the material equalization section. This sandblasting abrasive recycling and purification device integrates a screening section, a material equalization section, a purification section, and an air separation section, realizing multi-stage sorting of abrasives, removal of metal impurities, and dust purification, ensuring the purification purity of the abrasives, facilitating recycling and use, and preventing dust generated during the recycling process from polluting the working environment due to dispersion.