596 results about "Surface finishing" patented technology

The invention discloses a method for machining a high-precision sealing surface of a numerical control gantry milling center, which relates to the technical field of numerical control machining and comprises the following steps of: fixing a workpiece on a workbench of a numerical control gantry milling machine, and setting machining parameters through automatic tool setting; based on the machining parameters, a random forest algorithm is adopted to generate a milling path; according to the milling path, the workpiece is milled, meanwhile, machining parameters in the milling process are collected in real time, and machining state monitoring data are generated; dynamically optimizing a milling path by combining hyper-parameters of quantum reinforcement learning on the basis of machining state monitoring data; according to the optimized milling path and the optimal parameter combination, sealing face finish machining operation is executed; according to the method, when the milling path is dynamically optimized through the quantum reinforcement learning method, path adjustment is more accurate through optimization of hyper-parameters, and the method can better adapt to machining tasks with high complexity and high precision requirements.

The invention belongs to the technical field of mechanical part surface finishing machining, and aims to solve the problem that traditional barreling finishing machining is difficult to meet the requirements for high precision and uniformity of a large wind power gear ring. The vertical local forced excitation polishing and grinding method for the large wind power gear ring comprises the following steps that a to-be-polished and ground section of the to-be-polished and ground large gear ring is placed in a polishing and grinding container filled with a machining medium; and a vibration excitation element in the machining medium is driven to perform combined motion of radial intermittent feeding motion, axial intermittent feeding motion and reciprocating linear motion, and is matched with circumferential intermittent rotary motion of the large gear ring, so that a locally forced particle flow field is formed in the machining medium, and gear surface finishing machining is performed on the large gear ring to be polished and ground. According to the large gear ring polishing and grinding device, intense exciting force can be applied to a certain specific tooth surface part of a large gear ring in a targeted mode, local polishing and grinding are conducted in a centralized mode, consistent polishing and grinding of different parts of the tooth surface of the large gear ring can be achieved in an all-around mode at a time, and the surface roughness of the large gear ring can be reduced.

A method for surface finishing an object, comprising: surface finishing at least one surface of the object by moving a combination of a plurality of electrically conductive particles and at least one abrasive particle relative to the object, the combination and the at least one surface being in a medium, the object being electrically connected with a first pole of at least one electric source and the medium being electrically connected with a second pole of the at least one electric source, and one or more particles of the plurality of electrically conductive particles comprising an electrolyte. Also, an object, a composition, a machine, an apparatus, and an assembly.

The invention discloses a casting machining parameter optimization method and system based on real-time data analysis, and relates to the technical field of computer control, and the method comprises the steps: collecting casting surface temperature parameters and casting machining surface contour data; the casting cooling rate is calculated according to the casting surface temperature parameters, and a casting surface machining area is divided based on the casting cooling rate; analyzing the machining surface contour data of the casting, calculating a surface roughness value of the casting, and comparing the surface roughness value of the casting with a preset roughness threshold value; when the surface roughness value of the casting is larger than the preset roughness threshold value, a machining compensation instruction is sent to a numerical control machine tool; based on the temperature difference of the fast cooling area and the slow cooling area, corresponding tool rotating speed parameters are set, and casting surface finish machining is completed. According to the method, the temperature gradient distribution characteristics of the surface of the casting are accurately recognized, accurate division of a fast cooling area and a slow cooling area is achieved, a multi-dimensional surface roughness evaluation system is adopted, and accurate regulation and control of machining parameters are achieved.

The invention discloses a plane finishing system suitable for a large-size workpiece, and belongs to the technical field of ultra-precision plane machining equipment. The problems that in the prior art, deformation and secondary deformation exist in the machining process and the detection process of surface shape finishing machining equipment for large-size and large-weight workpieces, so that the machining efficiency is low, and the machining precision is difficult to guarantee are solved. Comprising a control center, and a first-stage platform, a second-stage platform, a first-stage leveling assembly, a second-stage leveling assembly, a processing device, a clamping assembly, a laser interferometer and two groups of laser reflection assemblies which are in signal connection with the control center, each laser reflection assembly comprises a laser, a laser reflector and a photosensitive position sensor. The method is used for plane finishing of large-size workpieces.

A dental polishing paste and a method of surface finishing a dental ceramic with the dental polishing paste is described. The dental polishing paste includes 60 to 90 weight percentage (wt. %) glycerin; 7.5 to 17.5 wt. % inorganic nanoparticles such as, diamond or zirconia, having a mean particle size of 5 to 25 nanometer (nm); and 2.5 to 32.5 wt. % additive, each based on a total weight of dental polishing paste.

The invention relates to an additive manufacturing copper alloy inner runner structure surface finishing method, and belongs to the technical field of additive manufacturing. Preparing a chemical polishing solution; chemical polishing liquid is input into an inner flow channel of the copper alloy structure, and ultrasonic vibration is conducted on the copper alloy structure; clean water is poured into the inner flow channel of the copper alloy structure for cleaning; the inner flow channel of the copper alloy structure is blow-dried through compressed air, and cleaning is completed; the method is used for reducing the surface roughness of copper alloy complex inner flow channel components in the fields of aerospace, energy and chemical industry, removing redundant materials adhered to the inner surfaces of the flow channels, reducing the flow resistance of the flow channels and improving the heat exchange characteristics of inner flow channel structures of parts.

The invention relates to the field of bridge deck pavement, and discloses a bridge deck pavement high-precision elevation control construction method based on three-dimensional laser paving, which comprises the following steps: carrying out mechanical scabbling treatment on the top surface of a beam slab, and cleaning the scabbled surface; setting elevation points on a bridge floor, and performing survey lofting; angle steel and square steel combined positioning clamping grooves are adopted, and the distance between steel bars and the thickness of a protective layer are controlled; a truss type protective layer thickness detection device is used for detecting the thickness of a protective layer within the full-width range of the bridge floor in real time; a three-dimensional laser paver is adopted for concrete paving, and the paving thickness, gradient and flatness are accurately controlled through laser and ultrasonic sensors; a truss type polishing machine is used for mechanical surface finishing; and covering a maintenance material. By means of mechanical scabbling, encrypted measurement lofting, the combined angle steel-square steel positioning clamping groove and the truss type real-time detection device, full-process intelligent construction is achieved in combination with the three-dimensional laser paver, and the problems of steel bar positioning deviation, insufficient flatness and the like in a traditional technology are solved.

The invention relates to the technical field of stainless steel production and manufacturing, and discloses a high-strength corrosion-resistant duplex stainless steel shaft forging method which comprises the steps of blank preparation, homogenization treatment, preheating treatment, multidirectional forging, interrupted cooling, solution treatment, aging treatment and surface finish machining. Uniformity of components in the blank and consistency of temperature distribution are guaranteed, a uniform microstructure basis is provided for subsequent forging, meanwhile, grains are refined through large deformation and multi-pass deformation in multi-directional forging, the strength and toughness of the shaft are improved, brittle phase formation is avoided, and the mechanical property is optimized; by interrupting cooling and solution treatment, controlling the cooling rate and heating parameters in real time, inhibiting harmful phase precipitation and optimizing the austenite-ferrite phase proportion, the shaft has high corrosion resistance, and by means of aging treatment, through a stable structure, the long-term durability of the shaft in a severe environment is guaranteed, and the corrosion weight loss and pitting corrosion risk are reduced.

The invention relates to the related technical field of die casting machining, and discloses an automatic die casting machining device which comprises an automatic machining box set, a punching mechanism, a surface finishing mechanism, an edge treatment mechanism and a driving mechanism. The driving mechanism comprises a bidirectional driving unit and a one-way variable-speed transmission unit; the device further comprises a positioning platform, a power conversion mechanism, a surface finishing control mechanism, an edge processing transmission mechanism and an edge processing control mechanism. Different metal processing combinations are automatically controlled to operate by a single driving mechanism, the operation is stable, multiple metal processing operations with different properties are integrated, multiple processes are completed through one-time clamping, and collaborative innovation that different metal processing is synchronously performed while high efficiency and energy conservation are achieved is achieved; and the production efficiency of specific die castings which are relatively fixed and regular in structure and need to be produced on a large scale is effectively improved.

The present disclosure relates to compositions, assemblies, systems and methods for surface finishing, e.g., smoothing and polishing electrically conductive parts (e.g., metals or metal parts), e.g., via ion transport by means of said compositions, also referred herein as Magnetic Dry Electrolytes (MDEs), comprising free solid bodies retaining a liquid electrolyte used in combination with magnetic particles and / or magnetic fields. Thereby, the free solid bodies retaining the liquid electrolyte may be made magnetically active. The presence of the magnetic particles and / or magnetic fields presents a wide range of possible application, e.g., regarding the control and synchronization of the electrically conductive free solid bodies motion, packing factor and the electrochemical pulses and properties of the particles and the surface treatment, e.g., surface finishing, on which they are used, including the smoothing and polishing of electrically conductive parts, e.g., metal parts, for example punches, gears or inner channels (e.g., metal parts with inner channels).

The invention is used for the technical field of PVC plate processing, and discloses PVC plate surface finish machining equipment which comprises a base, a sliding side pushing seat is installed on the outer surface of the base, an installation seat is fixedly arranged at the upper end of the side pushing seat, a rotating side clamping rod is installed on the upper surface of one end of the installation seat, a sliding contact rod is installed on the upper surface of the side pushing seat, and the contact rod is fixedly arranged on the outer surface of the base. One end of the contact rod is connected with one end of a grounding wire, the other end of the grounding wire penetrates through the lower surface of the base and is connected with round steel pre-buried in the ground, a spring is connected between the contact rod and the mounting seat, a clamping mechanism is arranged on the lower surface of the base, and efficient conduction of static electricity is guaranteed by clamping a workpiece through a side clamping rod. According to the surface finish machining equipment for the PVC plate, the mode that the side clamping rods make contact with and clamp the PVC plate from the two sides is adopted, so that the PVC plate can be kept stable in the polishing process, and meanwhile, continuous guiding-out of static electricity on the surface of the PVC plate is guaranteed through contact of the side clamping rods to the PVC plate.

The invention belongs to the field of hydraulic oil cylinder machining, and particularly relates to a hydraulic oil cylinder surface finish machining treatment device and method.The hydraulic oil cylinder surface finish machining treatment device comprises a base, the upper side of the base is fixedly connected with a mounting base of a circular ring structure, a machining table is rotationally arranged on the upper side of the mounting base, and a containing plate is rotationally arranged on the edge of the upper side of the machining table; a polishing disc is arranged above the containing plate, a driving mechanism used for driving the containing plate and the polishing disc to rotate oppositely is arranged on the machining table, a sand blasting assembly is arranged in the middle of the upper side of the machining table, and a positioning assembly is arranged above the machining table. The driving mechanism comprises a first rotating shaft rotationally arranged on the upper side of the machining table and internally of a hollow structure, and the upper end of the first rotating shaft is fixedly connected with the containing plate. The to-be-machined cylinder barrel can be driven to rotate, meanwhile, the inner surface and the outer surface of the cylinder barrel are subjected to sufficient polishing and sand blasting machining, the operation difficulty during cylinder barrel machining is lowered, the efficiency is improved, and meanwhile the cylinder barrel machining quality can be guaranteed.

The invention relates to a multi-layer abrasive product configured to comprise a plurality of elements capable cooling of an elastic layer based on thermoplastic polyurethane, reactive hot-melt polyurethane adhesive or a combination thereof by means of air flowing through the elements, when the abrasive product is used in machine abrasion. The multi-layer structure distributes the sanding pressure over a wider area of a workpiece surface being abraded while the elastic layer enables a low scratch pattern, which improves quality of the abrasion result in demanding surface finishing applications, such as mattering or lacquer repairments.

A surface finishing apparatus and method for smoothing and coloring parts made by additive-manufacturing technologies is disclosed. The surface finishing apparatus includes a tank or chamber into which a part is placed. A colorant is added. The part is both colored and smoothed until the part is at a desired smoothness and color. The part may be smoothed by different suitable smoothing technologies, including abrading with solid media, spraying with a liquid fluid, spraying with solid particles entrained in a liquid fluid, or submersing in a liquid vortex. Also disclosed is a composition for a colorant for a finishing process that smooths a surface of an additively manufactured part while coloring the additively manufactured part.

The invention provides a torque arm part clamping device and method. The torque arm part clamping device comprises a base plate, a clamp and a cushion block assembly. The clamp comprises a first base, a pressing plate and a pressing rod, one end of the pressing rod is connected to the first base, and the other end of the pressing rod is connected to the pressing plate so that the pressing plate can apply pressure. The two clamps are symmetrically arranged in the X direction, and an acute angle is formed between the two first bases. The multiple cushion block assemblies are arranged between the two clamps, and the multiple cushion block assemblies are arranged in the Z direction; the cushion block assembly comprises a second base and at least one ejector rod connected to the upper end of the second base in a threaded mode. The first base and the second base are installed on the base plate. The online measuring system of the machine tool is utilized, the thought of automatic, reliable and efficient alignment and judgment is achieved, the B shaft of the part is rapidly aligned, it is guaranteed that the allowance of all end faces, namely holes, is uniform, and the tool connecting problem of appearance machining and end face finish machining is solved.

The invention relates to the technical field of surface machining, and particularly discloses a silicon carbide product surface finish machining device and method.The silicon carbide product surface finish machining device comprises a machine body, a workbench fixedly installed at the top of the machine body and a portal frame fixedly installed at the top of the workbench, an air cylinder is fixedly installed at the top of the portal frame, and a first finish machining unit is arranged at the output end of the air cylinder; a second finish machining unit matched with the first finish machining unit to grind the silicon carbide ceramic sealing ring is arranged on the workbench, and the silicon carbide ceramic sealing ring does not need to move in the whole grinding process by adjusting a first grinding piece and a second grinding piece; according to the silicon carbide ceramic sealing ring polishing device, all the surfaces of a silicon carbide ceramic sealing ring can be polished and finely machined only by rotating the rotating shaft, so that the machining quality consistency of all the surfaces can be guaranteed, the overall performance of the sealing ring is improved, the function of polishing multiple surfaces of the silicon carbide ceramic sealing ring at a time is achieved, the machining period is shortened, and the polishing efficiency is improved.

To provide systems and methods for surface finishing.SOLUTION: A system for automated sanding of a surface of a component includes a model generator, a model analyzer, and a path planner. The model generator is configured to generate a model representing at least a portion of a surface of a component. The model analyzer is configured to analyze the model to determine waviness of the surface. The path planner is configured to generate a sanding plan.SELECTED DRAWING: Figure 2

The invention relates to a vibration-free concrete surface finishing, wiping, pressing and finishing device which comprises a vehicle body and at least two tire sets installed on the vehicle body, and each tire set comprises two tires which are coaxially arranged. The crawler belt is used for connecting the at least two tire groups in a transmission manner; the wiping and pressing blades uniformly cover the outer surface of the crawler belt in the transmission direction of the crawler belt; the buffer part is used for reducing disturbance of the plastering and pressing blade to the surface of concrete in the plastering and pressing process, one end of the plastering and pressing blade is hinged to the outer surface of the crawler belt, and the other end of the plastering and pressing blade is connected to the outer surface of the crawler belt through the buffer part. The contact area with the concrete surface is increased in the mode that the wiping and pressing blade is arranged on the crawler belt, meanwhile, the wiping and pressing blade is connected with the crawler belt through the buffering piece, disturbance of the wiping and pressing blade to the concrete surface during wiping is reduced, and the construction quality is improved.

The invention provides a stainless steel CO2 deep treatment high-brightness surface finishing process. The stainless steel CO2 deep treatment high-brightness surface finishing process comprises the following steps: a) adopting supercritical CO and a biological surfactant for synergistic degreasing; b) realizing transition from rough polishing to fine polishing through gradient dry ice spraying; c) performing pulse laser micro-melting repair under the protection of a CO air curtain; and d) generating the nanoscale CrO film by utilizing supercritical CO electrochemical passivation. Through the supercritical CO synergistic degreasing, gradient dry ice polishing and laser repairing processes, submicron surface finishing is achieved while the oxidation reaction is inhibited, and the method has the technical advantages that the machining efficiency is improved, the surface uniformity is enhanced, and the environmental load is reduced.

The present disclosure relates to the field of object surface finishing. More particularly, the disclosure relates to methods for surface finishing of objects and objects with surfaces finished with such methods. More in particular, the present disclosure relates to the use of organic compounds comprising hydrophilic groups for the surface finishing of objects, in particular using electrically conductive particles. Organic compounds comprising hydrophilic groups may be selected from organic compounds comprising carboxyl groups (e.g., fatty acids); hydroxyl groups (e.g., alcohols); sulfonic, sulfate, sulfone or thiol groups; nitro or nitrate groups; phosphate groups; and / or amine groups.

An abrasive flow machining (AFM) system includes a first abrasive media reservoir, means for connecting the first abrasive media reservoir to an additive manufacturing (AM) system build plate, and means for directing abrasive media from the first abrasive media reservoir through the plurality of abrasive media flow channels in the AM system build plate into a plurality of flow channels in the structure. The AM system build plate includes a unitized additive structure built on the AM system build plate during an AM system build campaign and a plurality of abrasive media flow channels extending entirely through a thickness of the AM system build plate to facilitate an in-process surface finishing operation.

The utility model discloses a valve rod surface accurate grinding device which comprises a device body, a grinding wheel is rotatably connected between the inner walls of the device body, a transmission assembly is arranged in the device body and used for driving the grinding wheel to rotate, and a base is slidably connected between the inner walls of the device body. The telescopic electric cylinder drives the first positioning block to move on one side of the first connecting block, the valve rod abuts against the second positioning block on one side of the second connecting block, installation of the valve rod is completed, then the transmission assembly drives the grinding wheel to rotate between the inner walls of the device body, and meanwhile the displacement assembly drives the displacement plate to move on the top of the base. And chippings generated in the accurate grinding process are sucked into a dust suction box through a dust suction fan along a dust suction opening in the first time, and are collected and treated through a dust collection frame between the inner walls of a dust collection groove, so that the accurate grinding efficiency of the surface of the valve rod is improved, and the safety of the accurate grinding device is improved.

The invention discloses PVC plate surface finish machining equipment which comprises a conveying roller, a conveying belt and a machining frame, a polishing execution system is arranged in the machining frame and comprises a multi-degree-of-freedom driving device and a polishing execution assembly, and the polishing execution assembly is borne and driven by the multi-degree-of-freedom driving device. The polishing execution assembly comprises a third motor, a polishing assembly, a dust cover and a dust collection box, the output end of the third motor is fixedly connected with the polishing assembly, and the dust collection box is detachably arranged on the bottom surface of the dust cover; and generated dust is actively captured and collected in the polishing process through the polishing execution assembly. By designing the structure of the closed dust cover synchronously rotating along with the polishing wheel and the built-in vortex ring, a dynamic dust capturing cavity is formed at the moment of a polishing point, the mode of passively depending on external large-air-volume dust collection is fundamentally changed, and low-energy-consumption and high-efficiency dust capturing and collecting from the source are achieved.

The invention belongs to the technical field of concrete prefabrication, particularly relates to a preparation method of a prefabricated fair-faced concrete pipe piece and the fair-faced concrete pipe piece prepared through the method, and aims to overcome the defects and deficiencies in the aspects of fair-faced concrete pipe piece reinforcement cage welding and concrete curing. The method comprises the following steps: (1) prefabricating a reinforcement cage; (2) mold cleaning; (3) brushing a release agent; (4) mounting an embedded part; (5) hoisting the reinforcement cage; (6) installing embedded parts and reinforcing steel bars at hand holes; (7) carrying out concealed acceptance; (8) concrete pouring; (9) surface finishing of a feed opening; (10) trowelling and surface finishing; (11) natural curing; (12) demolding and marking; (13) inspecting a finished product; (14) naturally curing a finished product; (15) the duct pieces are put in storage; (16) repairing the duct piece; and (17) the outer cambered surface is coated with protective paint. The machining efficiency of the steel reinforcement framework of the prefabricated pipe piece is improved, the one-time mold entering percent of pass of the steel reinforcement framework is improved, and the comprehensive production efficiency of the prefabricated bare concrete pipe piece is improved.

The invention discloses a wafer precision grinding method based on laser subsurface modification softening, and belongs to the technical field of semiconductor manufacturing. The method is used for carrying out final damage layer removal and surface finish machining on the hard and brittle wafers (such as silicon carbide and diamond) subjected to preliminary mechanical polishing. The method comprises the following steps: (1) detecting the depth of a damaged layer on the subsurface of a wafer; (2) focusing ultrafast laser on the subsurface of the wafer, scanning to form a continuous and compact softened modified layer, controlling the modified layer to extend upwards in the vertical direction, so that the modified layer covers most of the volume of the material to be removed, and only retaining a micron or submicron original hard thin layer on the top layer of the wafer; (3) carrying out nondestructive testing on the modified layer; and (4) an ultra-precision grinding process (such as CMP or PAP) is adopted, the supporting weakening effect of the modified layer on the top hard thin layer and the characteristic that the modified layer is easy to remove are utilized, and all the to-be-machined allowances are rapidly removed at a time. According to the method, on the premise that the high-quality surface is not damaged, the finish machining efficiency of the superhard material is remarkably improved through the mechanism of internal softening and top layer collapse removal.

The invention discloses a static pressure forming process for a stainless steel marine pipeline. The performance of the pipeline is improved through material optimization and process innovation. The method comprises the following steps: selecting materials according to a service environment and carrying out cold rolling-annealing pretreatment: respectively carrying out 30%-40% cold rolling on 316L and 2205 dual-phase steel or N08367 corresponding to different working conditions, then carrying out protective atmosphere recrystallization annealing and water quenching at the temperature of more than or equal to 200 DEG C / s, and cooperating with pulse laser cleaning to retain a CrOfilm; in the forming stage, a silicon-based shear thickening fluid medium is adopted, segmented pressurization is matched with axial tension regulation, and the wall thickness deviation is smaller than or equal to 0.1 mm. And optimizing the 2205 steel phase proportion through subsequent pulsed magnetic field annealing. Electrochemical polishing Ra < = 0.15 mu m and a graphene coating are adopted for surface finishing, so that the fluid resistance is reduced, and the salt mist service life is 3 times that of a traditional process. According to the technology, through the synergistic effect of fluid dynamic response and magnetic field regulation and control, the problems that a traditional formed wall is uneven in thickness, insufficient in corrosion resistance and the like are solved.

The invention discloses a production process of a transparent packaging paper bag. The production process comprises the following steps: S1, product design; s2, integral printing operation; s3, the manual bag is covered with a film; s4, surface finishing is conducted after film covering; s5, carrying out die cutting on the portable paper bag; s6, pasting the hand bag; s7, hand bag forming: through set selection for pattern styles, control for paper bag raw material conveying rate and adjustment for printing equipment parameters, stable and continuous printing operation is performed on paper bag raw materials, so that the problems of non-uniform product quality and reduced product production efficiency caused by participation of workers are greatly reduced; the whole printing quality is improved through control over printing equipment, the printing process and product design are integrated, paper bag raw materials can be completely separated from participation of workers after typesetting and on a machine, meanwhile, the printing quality is further improved through film covering and surface finishing after printing is completed, transparent packaging paper bag production is more convenient and safer, and the production efficiency is improved. And the labor cost is greatly reduced.

The utility model discloses a roller surface finishing tool which comprises a base, a driving motor and a translation driving structure, two guide rails are installed on the base, a first sliding seat and two second sliding seats are connected to the guide rails in a sliding mode, an electric cylinder and a barrel shell are installed on the two second sliding seats respectively, a tool bit is installed on the electric cylinder, and the tool bit is connected with a motor. A pull rod is installed in the barrel shell, a spring is installed on the pull rod, the spring abuts against the barrel shell, a grinding belt is installed at the upper end of the pull rod, the driving motor is installed on the surface of the base, the first sliding base and the driving motor are each provided with a four-jaw chuck, and the translation driving structure is installed on the side face of the base. The translation driving structure is used for pushing the second sliding seat to move, the moving motor controls the tool bit to translate, the roller surface can be comprehensively cut, it is ensured that the diameter of the roller surface is consistent, the repairing speed of a roller with a groove is higher, and the moving motor can further control the grinding belt to move left and right so that the roller surface can be comprehensively and accurately ground.

1. Name of the product in this design: Ice Surface Repair Vehicle. 2. Purpose of this design: for ice surface finishing. 3. The key design features of this product are the combination of shape and pattern. 4. The image or photograph that best illustrates the design's key points: 3D view 1.