1070 results about "Surface finish" patented technology

The invention relates to the technical field of industrial machine vision detection and image processing, in particular to an automobile part production mold surface smoothness detection system based on image enhancement, which comprises a data acquisition module used for acquiring an original grayscale image of the surface of an automobile part mold; performing low-pass filtering processing on the original grayscale image to eliminate imaging thermal noise; the manifold reconstruction module is used for constructing a structure tensor field; reversely deducing a pseudo-curvature field of the mold surface; the adaptive enhancement module is used for generating a corrected image; constructing a texture orthotropic diffusion model; generating a texture reconstruction reference image; the surface metering module is used for calculating the difference between the corrected image and the texture reconstruction reference image and generating a defect saliency image; calculating the surface roughness value of the mold surface; according to the method, the problem that design textures and abnormal scratches are difficult to distinguish in the prior art is effectively solved, and the technical bottleneck that micro defects are easily missed in a complex geometric structure in traditional visual detection is overcome.

The invention discloses a vacuum cup laser welding device, and belongs to the technical field of laser welding, the vacuum cup laser welding device comprises a processing table, the top of the processing table is connected with a base box, and the top of the base box is provided with a synchronous clamping assembly. According to the device, the air curtain assembly is arranged, a continuous and uniform annular laminar flow air curtain is formed by means of the nozzle array evenly distributed in the circumferential direction, a stable inert gas protection environment is formed in a welding area, the oxidation probability of a molten pool is remarkably reduced, meanwhile, the air curtain structure optimally designed through fluid dynamics can effectively disperse welding smoke dust, and the welding quality is improved. By means of a mechanical structure, the angle of the direction adjusting pipe can be accurately adjusted, the coverage range of the air curtain can be flexibly adjusted, accordingly, the vacuum cup body with different specifications can be adapted, possible protection blind areas are eliminated, and the service life of the vacuum cup body is prolonged. And the optimal action angle between the welding protection airflow and the workpiece surface is always kept.

The invention relates to the technical field of spinning machines, in particular to a spinning machine precision control method suitable for a high-temperature working condition, and the method comprises the following steps: collecting multi-source information; establishing a mapping relation between the thermal error and the temperature field to obtain a thermal error prediction model, training and correcting the thermal error prediction model, and outputting a real-time thermal error prediction value; generating a comprehensive position compensation instruction and performing position compensation; the pressure feedback value collected in real time is compared with a corresponding preset threshold value, if the pressure feedback value collected in real time is larger than or equal to the corresponding preset threshold value, the comprehensive position compensation instruction is converted into a force control instruction, and if the actual axial pressure feedback value or the actual radial pressure feedback value is smaller than the corresponding preset threshold value in the force control process, the comprehensive position compensation instruction is converted into the force control instruction. If yes, returning to the position compensation mode. According to the method provided by the invention, comprehensive compensation and active inhibition of thermally induced errors can be realized, and the forming precision of high-temperature spinning and the surface smoothness of a workpiece are remarkably improved.

The invention discloses a stamping die control method and system for watchcase machining, and the method comprises the steps: judging whether a gap between a stamping die and a watchcase cavity meets a preset condition or not, and calculating a curvature variation coefficient of a boundary region to generate a first compensation instruction when the gap meets the preset condition; an actually-measured blanking force-displacement curve during machining is obtained, the actually-measured blanking force-displacement curve is compared with a standard curve to recognize a stamping sub-stroke section with the blanking force deviation rate exceeding a first threshold value, and a resistance deviation signal is generated; a cooling system is triggered to operate in a frequency reduction mode, and surface smoothness data of the watchcase workpiece are detected; when the abnormal index of the burr feature vector exceeds a second threshold value, a mold fault area is positioned, and a second compensation instruction is generated; and the first compensation instruction and the second compensation instruction are fed back to a piezoelectric ceramic actuator of the watchcase stamping die, and pressure distribution of the watchcase stamping die is adjusted in real time. According to the invention, multi-dimensional compensation instructions can be integrated to adjust pressure distribution in real time, and the process reliability of watchcase processing is improved by dynamically and adaptively controlling die processing.

The invention discloses forming equipment for ceramic guide rail production and a forming method thereof, and relates to the technical field of ceramic guide rail forming, the forming equipment comprises a conveyor, a forming processing box and a raw material box, and the top of the conveyor is provided with the forming processing box. The ultrasonic disperser arranged in the raw material box is combined with the constant-temperature heating sleeve and the viscosity sensor of the conveying pipe, uniform flowing and accurate metering injection of slurry are guaranteed, in the forming stage, the vacuum pump actively pumps out bubbles in a cavity through the micropore array, pores are further eliminated in cooperation with the high-frequency micro-vibration device, the compactness and surface smoothness of the guide rail are greatly improved, and the production efficiency is improved. The cooling runner realizes gradient cooling and curing through closed-loop control of a temperature sensor and a temperature regulator, ceramic cracking deformation is effectively inhibited, the rotary mold assembly supports multi-angle adjustment, nondestructive demolding of a complex structure is facilitated, the production period is shortened, the process stability, energy consumption control and equipment adaptation flexibility are further enhanced, and the production efficiency is improved. And the targets of high precision, low defect and batch production are achieved.

The invention provides an automatic online detection method and system for the surface smoothness of a precise injection mold, and relates to the field of precise manufacturing, the method comprises the following steps: S1, synchronously collecting visible light and near-infrared reflection images of the surface of the mold through multispectral coaxial imaging; s2, calculating a dynamic texture parameter based on a multi-directional gradient field weighted variance, and generating a composite reflection parameter in combination with wavelet domain fusion; s3, fusing the features by adopting a dual-path neural network, and comparing the standard library through a modified Stereer ratio model to output the degree of finish; and S4, adjusting the period in real time according to the detected dynamic standard deviation and linking closed-loop control. According to the method, the restriction of single-band characterization is broken through through multispectral data fusion, and the processing speed is increased by utilizing gradient field parallel computing hardware; in combination with a self-adaptive threshold value and a process parameter dynamic correction mechanism, the problems of poor adaptability of a fixed period, high hardware delay and single feature dimension of a traditional method are solved, and the online detection precision and the process control efficiency are remarkably optimized.

The invention discloses a multi-layer plating process for optimizing surface characteristics of a base material, which is characterized by comprising the following steps of: pretreating the surface of a plated base material, improving the surface smoothness of the base material, and removing dirt on the surface of the base material; electroplating the base material by using the nickel pre-plating solution; chemical plating: the base material subjected to pre-plating treatment is placed in a chemical composite plating solution for chemical plating; the chemical composite plating solution comprises a basic plating solution and second-phase particles, the second-phase particles are nano niobium carbide, and the second-phase particles are wrapped and embedded into an alloy plating layer in the chemical plating process, so that the second-phase particles are distributed in plating layer matrix metal in a discrete mode to form a discontinuous phase. The hard particles niobium carbide are added and are dispersed and distributed in a coating substrate (Ni-P alloy), the hard particles can effectively refine the substrate metal, so that the hardness of the substrate metal is improved, and the niobium carbide hard phase particles are high in hardness, excellent in wear resistance, large in yield limit and high in pressure resistance.

The invention discloses an intelligent control method and system for metal forging equipment, relates to the technical field of metal forging, and aims at monitoring the flowing state and the internal flowing resistance of a plastic blank in real time in the pressure applying process, so that an operator can adjust forging parameters in time, and the phenomenon of insufficient flowing or excessive flowing is further avoided. On the basis of the heat flow density and the pressure change data in the mold, the full-cavity evaluation coefficient Mgz is calculated in combination with the prediction model, so that whether the plastic blank fills the whole mold cavity or not can be accurately judged, experience judgment in a traditional method is further avoided, and the scientificity of evaluation is improved. By performing laser scanning and difference coefficient calculation on the surface of the formed metal forge piece, surface defects such as oxide skin and the like can be effectively identified and treated, so that the surface smoothness and the mechanical property of the forge piece are improved. And continuously performing process optimization according to the surface difference coefficient Bcxs to form a closed-loop feedback mechanism.

The invention discloses a burr polishing device for a high-strength automobile structural member, which belongs to the technical field of mechanical polishing and comprises a workbench and a workpiece, a machining table is arranged on the workbench, a motor and a liquid pipe are connected in the machining table, the output end of the motor is connected with a polishing head, and the burr polishing device further comprises a clamping mechanism and a detection mechanism which are arranged at the bottom of the machining table. In the polishing process, vibration transmission between the machining table and the machined part can be attenuated, chatter marks are reduced, and the surface smoothness is improved through elastic clamping of the second sliding block, the first sliding block and the third sliding block on the machined part, in the polishing process, the protruding degree of a polishing area is pre-detected through the detection block, and when the polishing head passes through the detection area subsequently, the polishing efficiency is improved. The rotating speed of the grinding head and the liquid spraying amount of the liquid pipe are adjusted through the transmission rod, self-adaptive automatic adjustment of the grinding head and the liquid pipe is achieved according to the pre-detection result of the machined part, and the grinding efficiency and the grinding work quality are guaranteed.

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 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.

The present invention relates to the technical field of rolling mills, and in particular to a cold rolling mill for improving the surface finish of cold-rolled plates. The cold rolling mill comprises a frame, an upper rolling mechanism and a lower rolling mechanism coordinated with the upper rolling mechanism, wherein the upper rolling mechanism and the lower rolling mechanism are arranged in the frame, and a cold rolling space is formed between the upper rolling mechanism and the lower rolling mechanism; the upper rolling mechanism comprises a lifting drive part, an upper driving assembly, two upper rotating seats and a plurality of upper rollers; the lower rolling mechanism comprises a lower driving assembly, two lower rotating seats and a plurality of lower rollers. Through the design of the upper rolling mechanism and the lower rolling mechanism, the upper rollers and the lower rollers can be replaced, and different upper rollers and lower rollers can be switched according to different cold-rolled plate rolling sizes, thereby eliminating the influence of plate road marks remaining on the upper rollers and the lower rollers of cold-rolled plates of different sizes, avoiding the plate road marks on the rollers from being transferred to the surface of the cold-rolled plates, and making the surface finish of the cold-rolled plates reach Ra≤0.8μm.

The invention provides a precision manufacturing method of a special-shaped lens, a convex spherical surface and a concave aspheric surface are formed on the front and back surfaces of the special-shaped lens respectively, a chord plane is formed on each of the two sides of the special-shaped lens, and the method comprises the following steps: S1, performing rough grinding forming on set fitting spherical surfaces of the convex spherical surface and the concave aspheric surface of the special-shaped lens; s2, turning a concave aspheric surface; s3, after turning is completed, whether the concave aspheric surface is qualified or not is detected, if yes, the step S4 is executed, and if not, the step S2 is repeated; s4, discharging from the disc, cleaning the special-shaped lens, and protecting the concave aspheric surface by using a protective layer; s5, starting the numerical control machining center, and machining two chord planes by taking the convex spherical surface and the concave surface platform as positioning references; s6, a machine tool is started, the protected concave aspheric surface and the special-shaped matching tool are placed into a vacuum adsorption tool together, a polishing disc is installed, and a polishing program is started; and S7, detecting the surface shape precision and the surface smoothness of the convex spherical surface. According to the method, the edge breaking phenomenon during machining is effectively avoided, and the machining difficulty is reduced.

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.

A surface evaluation system that includes one or more vision systems that generate target surface data during evaluation of a surface, the one or more vision systems comprising two or more of: at least one light, a camera, a structured light camera, a laser scanner and a 3D scanner.

The invention belongs to the technical field of laser cutting equipment, and particularly relates to laser cutting equipment for machining sheet metal parts, which comprises a worktable, a portal frame arranged on the worktable, an adjusting assembly arranged on the worktable and used for adjusting the position of the portal frame, and a bearing plate fixedly mounted on the worktable. A feeding assembly used for conveying sheet metal parts is arranged on the bearing plate, a positioning mechanism used for cutting and positioning the sheet metal parts is arranged in the workbench, and a cutting assembly is arranged on the portal frame. According to the laser cutting equipment for machining the sheet metal part, impurities adsorbed on the surface of the sheet metal part can be conveniently removed through the arranged cleaning roller, the cleanliness of the sheet metal part to be machined can be improved, dirt and oxide generated in the cutting process can be reduced through the cleaned surface of the sheet metal part, and therefore the cutting precision and the surface smoothness are improved; and the problems in subsequent machining can be avoided, the time for stopping the laser cutting machine for cleaning can be shortened through the clean metal plate, and the overall production efficiency is improved.

The invention discloses an automobile part grinding control system, which relates to the technical field of automobile part grinding control, and ensures that a grinding tool always keeps an optimal focal length and an accurate position in an operation process by accurately controlling a first focusing instruction, a first translation instruction and a first rotation instruction. A strain sensor is introduced to monitor the deformation of the workpiece in real time, and the deformation can be found in time and compensated in real time in the grinding process. The system can optimize temperature control management for different workpiece materials by considering heat conductivity coefficients k and heat conduction factors Rczz of different materials. Multiple factors of stress distribution, heat conduction, cooling efficiency and surface smoothness are considered by integrating the grinding quality index Mzqs, the machining quality grade is generated after comprehensive evaluation is provided for the grinding quality, parameters including the grinding depth, the workpiece feeding speed and the cooling system are adjusted according to the grade result, and therefore the machining quality of the final workpiece is improved.

The invention discloses a metal mold aluminum alloy low-pressure casting device and method, and belongs to the field of low-pressure casting. The metal mold aluminum alloy low-pressure casting device comprises a base, the top of the base is fixedly connected with a crucible and a supporting column, the top of the supporting column is fixedly connected with a supporting table, the side wall of the crucible is communicated with an air injection pipe, and the top of the supporting table is fixedly connected with a bottom die; two semicircular side dies are symmetrically arranged on the front portion and the rear portion of the bottom die, an upper die is arranged on the tops of the two side dies, and a liquid rising pipe is fixedly connected to the top of the crucible; according to the invention, the problems of stress and deformation caused by overlarge temperature difference of the mold are reduced, the dimensional precision and surface smoothness of a product are maintained, the product quality is improved, the problem of cracks or deformation on the surface of the mold possibly caused by overhigh cooling speed is prevented, the service life of the mold is further prolonged, and the quality of a casting is further improved.

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 a continuous casting and rolling rapid processing technology of a medicine foil. The process comprises the steps of raw material preparation, smelting and refining, continuous casting, cooling treatment, heating and rough rolling, finish rolling, annealing treatment, surface treatment, slitting and the like. By controlling the smelting temperature, the casting speed, the rolling speed, the roller surface roughness, the annealing parameters and other process conditions, efficient production of the aluminum foil is achieved, and the surface smoothness, the thickness precision, the tensile strength and the ductility of the medicine foil are guaranteed. The thickness of the finished medicine foil is 0.02-0.04 mm, the tensile strength is 80-120 MPa, the ductility is not lower than 1.5%, and the surface roughness Ra value is controlled to be 0.1-0.3 micron. The process can produce high-quality medicine foil meeting the medicine packaging requirement, has the advantages of being efficient, stable, energy-saving and environment-friendly, and is suitable for large-scale industrial production.

The invention discloses barbell disc periphery grinding equipment, and relates to the technical field of grinding devices, the barbell disc periphery grinding equipment comprises a machine base and a grinding frame, a main frame is fixed above the machine base, a driving motor is installed at the top end of the main frame, and the bottom end of the driving motor is connected with a first transmission shaft through a coupler. According to the barbell disc periphery grinding equipment, a first transmission shaft can be driven by a driving motor to rotate, then the first transmission shaft drives a grinding frame to rotate, the grinding frame enables a reciprocating grinding mechanism to drive an auxiliary grinding assembly to rotate on the surface of a barbell disc workpiece and transversely move, and the grinding process is more uniform; meanwhile, the lifting frame is driven by the fixing cylinder and the lifting groove to move up and down in a reciprocating mode, the grinding roller can move up and down while rotating, the conditions of grinding dead angles, concentration of heat at a certain position of the barbell disc workpiece and local over-grinding or uneven abrasion are avoided, and therefore the surface smoothness of the barbell disc workpiece is greatly improved; and the grinding quality and the working efficiency of the barbell periphery grinding equipment are improved.

The invention discloses a copper wire drawing and annealing device for cable production, and belongs to the field of cable production, the copper wire drawing and annealing device comprises a base, two sides of the upper surface of the base are fixedly connected with a first support frame, a second support frame and a third support frame in sequence, and one side of the third support frame is fixedly connected with an annealing protection assembly for annealing a copper wire. The induction coil can be electrified to rapidly heat the copper wire for annealing operation, the gas pump conveys inert gas (the inert gas can be nitrogen or argon) in the inert gas tank into the annealing shell, the annealing shell is filled with the inert gas immediately, the inert gas can prevent the copper wire from making contact with oxygen, copper wire oxidation is reduced, and the annealing efficiency is improved. And meanwhile, waste gas emission is reduced, and the traditional acid pickling procedure can be effectively reduced. And the spring pushes the guide wheel frame to extrude and wire the copper wire, so that the copper wire is subjected to a certain tensile force during annealing, and the copper wire cannot be bent in the annealing shell due to annealing.

The invention relates to the technical field of optical processing, and provides a monocrystalline silicon aspherical lens and a numerical control polishing process thereof, a numerical control polishing machine is used for carrying out the main steps of rough polishing, fine polishing, fine trimming and the like, process parameters are adjusted according to the characteristics of monocrystalline silicon, and therefore the monocrystalline silicon aspherical lens with the diameter smaller than 320 mm can be polished. By means of a numerical control polishing machine tool, the optimized front surface type PV can reach 0.3 mu m or below, the surface smoothness can reach 40 / 20, and the method has reference significance for monocrystalline silicon aspherical lenses with the diameter of 320 mm or above.

This invention pertains to a system and method for three-dimensional (3D) printing using acoustic modulation to control the flow and solidification of various materials, with integrated thermal management and real-time analytical adjustments. The system addresses the challenges of controlling the solidification process in non-solid states, which can lead to defects. It utilizes acoustic emitters for precise modulation, a material dispensing unit adaptable to various materials, and an advanced control system for synchronization. The method involves material dispensing followed by acoustic modulation to mold the material. Adjustments based on sensor feedback ensure a seamless transition from non-solid to solid states. The system can handle diverse materials and create multi-material objects with tailored properties. Applications include the fabrication of 3D objects with enhanced structural integrity, surface finish, and complex geometries, as well as functionally graded materials and composites.

The invention discloses a molten drop arc-laser induced additive and subtractive integrated manufacturing system and method. The method comprises the steps that raw materials are heated through one or more energy sources to form molten drops; multiple kinds of energy are synchronously applied to molten drops to form a composite molten pool, in-situ coupling of additive and subtractive materials is achieved, and material removal is conducted on a cladding layer while material adding is conducted in the composite molten pool; dynamically adjusting the energy ratio and spatial-temporal distribution of each energy field, and optimizing the droplet transition and metallurgical quality; when the temperature of the cladding layer is reduced to a solid-liquid mixing interval or a thermoplastic deformation interval, shaping and surface processing are carried out, and the ideal component shape and surface smoothness are achieved; energy field parameters are dynamically adjusted based on real-time feedback of multi-sensor data, residual stress is inhibited in combination with a heating compensation technology, the heating compensation technology is used for effectively controlling heat input and stress release, and it is ensured that the stress state of a component in the manufacturing process is effectively managed.

The invention relates to the technical field of die-casting dies, in particular to a metal die-casting die with a material taking mechanism, which comprises a fixed die, a movable die, an ejection mechanism and a guide mechanism, the ejection mechanism and the guide mechanism are arranged on the movable mold; the ejection mechanism comprises an ejection plate and a linear driver, the ejection plate is arranged in a cavity of the movable mold, the linear driver is mounted on the movable mold, and the driving end of the linear driver is in transmission connection with the ejection plate; the guide mechanism comprises two guide plates movably arranged on the movable mold, and the two guide plates are located on the two sides of the cavity correspondingly. According to the die-casting die, the function of guiding the casting to fall off when the casting is ejected out is achieved, the situation that the casting collides with other objects or is clamped in the falling process is avoided, and the problem that the casting cannot fall off accurately in the taking process of a traditional die-casting die is solved. Casting ejection is conducted through the ejection plate, ejection work can be conducted on castings such as thin-wall shells or deep-cavity parts with the high surface smoothness requirement, local stress is reduced through large-area contact, and the casting quality is guaranteed.

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.

A cutter element for a fixed cutter drill bit has a central axis and includes a cylindrical substrate and a cutting layer mounted to the substrate. The cutting layer includes a first end engaged with the substrate, a second end opposite the first end, and a radially outer surface extending axially between the first and second ends. In addition, the cutting layer includes a cutting surface positioned at the second end and a cutting tip positioned between the cutting surface and the radially outer surface. Further, the cutting layer includes a first region on the cutting surface having a first surface roughness, and a second region on the cutting surface having a second surface roughness that is higher than the first surface roughness. The second region covers the central axis along the cutting surface, and the first region extends from the second region to the cutting tip.

The invention relates to the technical field of rolling optimization, in particular to a ring-pull can aluminum foil rolling process parameter optimization method which comprises the following steps: ring-pull can aluminum foil rolling optimization: setting rolling speed and pressure to ensure uniform thickness and smooth surface; parameters are adjusted through multiple rounds of rolling, and a joint optimization cycle is established; microwave and electromagnetic heating are introduced, rolling and heating are iteratively optimized cooperatively, an optimal parameter combination is obtained, and the problems that due to the fact that the control precision of key parameters such as temperature and pressure is limited, non-uniform distribution of the thickness of aluminum foil and reduction of the surface quality in the ring-pull can production process are directly caused are solved. According to the technical scheme, the technical problems that in the prior art, the rolling process parameters of the aluminum foil of the zip-top can are controlled in a refined mode due to collaborative iteration optimization rolling and multi-stage heating, the thickness uniformity and the surface smoothness of the aluminum foil of the zip-top can are remarkably improved, and support is provided for comprehensively improving the quality of the zip-top can product are solved.

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).