Patents
Literature
Patsnap Eureka AI that helps you search prior art, draft patents, and assess FTO risks, powered by patent and scientific literature data.

680 results about "Surface finish" patented technology

Surface finish, also known as surface texture or surface topography, is the nature of a surface as defined by the three characteristics of lay, surface roughness, and waviness. It comprises the small, local deviations of a surface from the perfectly flat ideal (a true plane).

Automobile part production mold surface smoothness detection system based on image enhancement

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.
Owner:SHAANXI LIANGHANBING PLASTIC TECH CO LTD

Spinning machine precision control method suitable for high-temperature working condition

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.
Owner:TIANJIN TIANDUAN PRESS CO LTD

Stamping die control method and system for watchcase machining

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.
Owner:DONGGUAN XINHUI TECHNOLOGY CO LTD

Forming equipment for ceramic guide rail production and forming method thereof

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.
Owner:莎特卡科技(江苏)有限公司 +1

Plane finishing system suitable for large-size workpiece

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.
Owner:CHANGCHUN TONGSHI PHOTOELECTRIC TECH CO LTD

Precise manufacturing method of special-shaped lens

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.
Owner:TIANJIN JINHANG INST OF TECH PHYSICS

Surface finish quality evaluation system and method

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.
Owner:JLG IND INC

Droplet arc-laser induced additive and subtractive integrated manufacturing system and method

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.
Owner:XI AN JIAOTONG UNIV

Automatic machining device for die castings

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.
Owner:DONGGUAN XINTIANYOU IND CO LTD

Compositions, methods and equipments to surface finish metals by magnetic dry electrolytes

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).
Owner:DRYLYTE SL

Ridge grid and manufacturing method thereof

The invention relates to the technical field of gratings, in particular to a prismatic grating and a manufacturing method thereof. The prism grating comprises a prism and a grating part. The prism is provided with a binding face, the grating component comprises a base body part and a diffraction part, the diffraction part is mainly used for diffracting and splitting incident light, the base body part is arranged on the binding face, and the diffraction part is arranged on the side, away from the binding face, of the base body part. The base part and the diffraction part are integrally formed on the binding surface. The substrate part and the diffraction part are integrally formed and are formed on the binding surface of the prism together, so that the grating part is directly formed on the binding surface of the prism to form the prism grid, the process is simple, the flow is short, the cost is reduced, and the structural strength of the grating part is improved. According to the manufacturing method, the integrally-formed grating component is manufactured on the binding face of the prism through the imprinting technology, the imprinting technology is completed through automatic equipment, the dependence degree on the skills of staff is basically zero, meanwhile, the requirements for the surface smoothness, flatness, roughness and the like of the binding face of the prism are low, and the yield can be improved.
Owner:HUAWEI TECH CO LTD

Automatic control method and system for wood pattern surface treatment

The invention relates to the technical field of computer numerical control, in particular to an automatic control method and system for wood pattern surface treatment, and the method comprises the following steps: extracting space coordinates and curvature characteristics of each point on the surface of a wood pattern through three-dimensional scanning data, and calculating a normal vector and a neighborhood curvature variation amplitude; according to the method, the surface space coordinates, the curvature features and the normal vector of the wood pattern are extracted, the neighborhood curvature change amplitude is combined, the recognition precision of the surface geometric characteristics is remarkably improved, region classification and parameterization division are supported, and by dynamically planning a tool motion path, generating an interpolation path in a low-curvature region and optimizing step length distribution in a high-curvature region, the surface geometric characteristics of the wood pattern are recognized. The method effectively adapts to surface complexity, improves path planning flexibility and machining consistency, reduces error accumulation by analyzing path point curvature change connection paths and optimizing path point sequences, meanwhile, dynamically adjusts the paths by detecting tool loads and machining resistance, accurately controls high-error areas, and achieves overall improvement of surface smoothness and shape precision.
Owner:NAN TONG SHEN JI SHU KONG KE JI YOU XIAN GONG SI

Conveying device for diesel engine connecting rod surface treatment

The invention relates to the technical field of diesel engine connecting rod surface treatment equipment, in particular to a conveying device for diesel engine connecting rod surface treatment. Comprising a hanger rail, a rack, a tackle and a suspension mechanism, the hanger rail is arranged above the rack, a treatment groove is formed in the upper side of the rack, the tackle is slidably installed on the hanger rail, the suspension mechanism is connected with the tackle through a lifting driving piece, and the lifting driving piece is used for driving the suspension mechanism to move up and down; the suspension mechanism further comprises an elastic oscillation starting piece and oscillation starting rails installed on the two sides of the rack, the output end of the lifting driving piece is elastically connected with the suspension mechanism through the elastic oscillation starting piece, and a plurality of evenly-distributed conical protrusions are arranged on the oscillation starting rails. It is ensured that the whole surface of the connecting rod is processed under the more consistent condition; therefore, more uniform dissolution rate and surface smoothness are obtained; defects such as stripes, pitting corrosion and cloud spots caused by bubble retention or uneven current are obviously reduced in a moving state.
Owner:ZIBO BOSHAN HUACHENG FORGING CO LTD

Stripping equipment control instruction generation and execution scheduling method

The invention provides a slitting equipment control instruction generation and execution scheduling method, which comprises the following steps of: acquiring and fusing a tension value, a warping height value, thickness distribution data and surface smoothness in a steel belt conveying process, and identifying a bending stress residual condition generated by non-uniform thickness or winding storage of a steel belt; generating a comprehensive abnormal state evaluation result of the steel belt; according to the offset distance and the position distribution of the center line, performing partition marking on a deformation area in the width direction of the steel strip by combining the area thickness difference identified by the thickness distribution data, and extracting a stable section position with a warping height deviation value smaller than a preset threshold value and relatively uniform thickness; determining a dynamic datum line position adaptive to the real-time shape change of the steel strip based on the stable section position data; according to the dynamic datum line position, a transverse movement distance control instruction of the slitting cutter and a corresponding feeding depth preset value are generated in combination with the thickness distribution data, and a difference value between the control instruction and the current actual position of the cutter is obtained.
Owner:GUANGDONG QUANQI EQUIPMENT CO LTD

Sliding arrangement

A sliding arrangement for use in an internal combustion engine is described, comprising a cylinder liner (1) and at least one piston ring (10), wherein the liner (1) has a through-bore defining an inner surface (S) which in turn defines three sections: a first section (2) near the end of the piston stroke, facing the cylinder head (at top dead center, TDC); a second, middle section (3); and a third section (4) near the end of the piston stroke, facing the crankshaft of the engine (at top dead center, TDC), wherein (i) the TDC section (2) of the liner (1) has a surface finish with a first roughness value defined by a structure of recesses and projections (“valleys” and “raised areas”); the middle section (3) of the liner (1) has a surface finish with a second roughness value defined by a structure of recesses and projections (“valleys” and “raised areas”);(1) the BDC section (4) of the cylinder liner (1) has a surface finish with a third roughness value defined by a structure of recesses and projections (“valleys” and “raised areas”), and the roughness value of the middle section (3) is significantly lower than the roughness value of the TDC section (2), and is defined by an essentially very smooth structure of recesses and projections (“valleys” and “raised areas”); and (ii) a ceramic coating (R) is applied to at least part of the contact surface of the piston ring (10) by the physical vapor deposition (PVD) process.
Owner:MAHLE INT GMBH +1

Integrally-formed composite material structure based on three-dimensional printing and casting technology and preparation method of integrally-formed composite material structure

According to the integrally-formed composite material structure based on the three-dimensional printing and casting technology and the preparation method of the integrally-formed composite material structure, the preparation method of the integrally-formed composite material structure comprises the three steps that firstly, three-dimensional printing is conducted on a first metal material to obtain a metal insert, and then aftertreatment is conducted; and finally, the second metal material is heated to be in a molten state, and finally the integrally-formed composite material structure is obtained. According to the method, the 3D printing metal insert is precisely designed to be in butt joint with a traditional casting process, an integrated composite metal structure is formed, and the precision and sealing performance of mold assembly are ensured. And moreover, the complex-shaped material is manufactured through 3D printing, complex material forming which is difficult to complete through a traditional manufacturing process can be achieved, the requirements of different fields for manufacturing the complex-shaped metal material are met, and the limitation of a traditional titanium-aluminum compounding process is broken through. The integrally-formed composite material structure is a material with high precision, high strength and good surface smoothness.
Owner:GUANGZHOU ZHONGSHAN ADDITIVE TECH CO LTD

PVC plate surface finish machining equipment

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.
Owner:HANG ZHOU POLYTECH PLASTIC MASCH CO LTD

Rubber-coated pipe fitting mold capable of improving appearance quality

ActiveCN223904424USurface finishRobot hand
The utility model relates to the technical field of pipe fitting production dies, in particular to a rubber-coated pipe fitting die capable of improving appearance quality, which comprises a rear die core, a first cavity positioned in the rear die core, a front die core and a second cavity positioned in the front die core. The second cavity is communicated with the first cavity and forms a product cavity for forming a product, a mold sticking surface is arranged on the wall surface of the first cavity, a concave part is arranged on the mold sticking surface, and the mold sticking surface is used for adsorbing a formed workpiece on the wall surface of the first cavity after mold opening. By sacrificing the surface precision of a small part of the surface without the smoothness requirement, the workpiece is stably adsorbed on the first cavity, so that the success rate of the clamping operation of the manipulator is increased, the workpiece is prevented from naturally falling under the action of gravity and being collided to generate deformation, and the working efficiency is improved. And the yield and the surface smoothness of the formed workpiece are effectively improved.
Owner:HESHAN LESSO IND DEV

Wafer precision grinding method based on laser subsurface modification softening

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.
Owner:BEIHANG UNIV

Semiconductor devices and methods of manufacturing semiconductor devices

In one example, an electronic device includes leads comprising a conductive material. A lead from the leads includes a base portion and a protrusion extending from a lower side of the base portion. A die paddle can be disposed between the leads and can include the conductive material. A lower mold can be disposed on a first lateral side of the protrusion and around lateral sides of the die paddle. A lower surface finish can be applied to a lower side of the protrusion. An electronic component can be coupled to the die paddle and in electronic communication with the lead. Other examples and related methods are also disclosed herein.
Owner:AMKOR TECH SINGAPORE HLDG PTE LTD

Energy-saving efficient pneumatic spot welding machine

The invention discloses an energy-saving efficient pneumatic spot welding machine and relates to the technical field of welding equipment, the energy-saving efficient pneumatic spot welding machine comprises a welding seat, a welding table is fixed to one side of the welding seat, and a swing cooling and slag adhering mechanism is arranged on one side of the welding seat and used for blowing and cooling welded workpieces and adhering welding slag; the swing cooling bonded slag mechanism comprises an L-shaped arm arranged on one side of the welding base. According to the energy-saving efficient pneumatic spot welding machine, through the arrangement of the swing cooling bonded slag mechanism, an air outlet hole continuously rotates by utilizing contact rolling of an empty roller and a stainless steel kettle shell, blown air continuously changes the angle and is uniformly blown to one side of the stainless steel kettle shell for cooling, and meanwhile when the empty roller and the stainless steel kettle shell are in contact rolling, the air outlet hole continuously rotates; soldering slag which is not easy to blow away can adhere to the stainless steel kettle shell, the surface smoothness of the stainless steel kettle shell is prevented from being affected after the stainless steel kettle shell is cooled, a high-pressure blowing device is not needed, energy consumption is low, and efficiency is high.
Owner:HUNAN JINCI NEW MATERIAL TECH CO LTD

A surface finishing process for combining a directional etching ink with a marble rock panel

This invention belongs to the field of ceramic building materials, specifically relating to a surface decoration treatment method combining directional etching ink with marble slabs. The surface decoration treatment method includes: applying a base glaze to the surface of a ceramic body; inkjet printing a natural stone design pattern onto the glazed surface using conventional ceramic ink; inkjet printing directional etching ink onto the glazed surface; applying a decorative glaze containing a covering glaze onto the glazed surface; and firing the glazed ceramic body. This invention uses a special functional ink containing low-temperature frit to pre-penetrate and etch the marble slab, then inkjet prints it in specific locations matching the design, creating a relatively matte, frosted effect with downward concavity in specific areas.
Owner:MONALISA GRP CO LTD

Long-life steel shot grading rounding device

The invention discloses a long-service-life steel shot grading rounding device, and belongs to the technical field of steel shot rounding, the long-service-life steel shot grading rounding device comprises a feeding mechanism used for feeding steel shots and a main body frame body, and the main body frame body is provided with an impact mechanism used for conducting preliminary rounding on the steel shots and a grading mechanism used for conducting grading rounding on the steel shots; a three-stage collaborative rounding process of pre-grinding, impact grinding and fine grinding is set, firstly, a grinding plate which rotates in a steel shot box and is provided with a rough surface and a non-uniform grinding column is used for carrying out primary dispersion and corner angle grinding on steel shots, and primary regularization is achieved; the steel shots are subjected to strong and multi-angle impact grinding and efficient sharp edge removal by utilizing the impact block which rotates at a high speed and is provided with bulges on the surface, and finally, in the grading grinding cylinder, the lower grinding plate performs continuous fine grinding and rolling, so that the surface smoothness is ensured, and the geometric consistency and the surface quality of the steel shots are improved.
Owner:JIANGSU TONGLVE METAL PROD CO LTD

Acid pickling process for removing oxide layer on surface of high-purity nickel particle

The invention relates to the field of removal of oxide layers on the surfaces of metal materials, in particular to an acid pickling process for removing oxide layers on the surfaces of high-purity nickel particles. High-purity nickel particles with oxide layers on the surfaces are placed in a beaker to be decontaminated, the nickel particles are washed three times with pure water and washed once with alcohol, and then the nickel particles are blow-dried through a blow gun; an acid solution is prepared according to the proportion of nitric acid to concentrated sulfuric acid to water being 1: 1: 4; soaking the nickel sheet and the nickel particles in the mixed acid solution, and finally, flatly laying the nickel sheet and the nickel particles on purification cloth, simply wiping and drying; according to the method, oxide skin on the surfaces of high-purity nickel particles is directly removed through soaking; the pickling method is simple, the high-purity nickel particles with good surface brightness are obtained by controlling parameters such as the pickling solution ratio, the pickling temperature and the pickling time of the pickling process, the problems of poor surface smoothness and size precision caused by mechanical pretreatment can be effectively solved, and metal loss caused by mechanical treatment can be reduced.
Owner:HARBIN BORUI CHUANGFU NEW MATERIAL CO LTD

Easily-dispersed diamond grinding fluid and preparation method thereof

The invention discloses easy-to-disperse diamond grinding fluid and a preparation method thereof, and relates to the technical field of grinding fluid. The easy-to-disperse diamond grinding fluid is prepared from the following raw materials in parts by weight: 1 to 20 parts of modified diamond micro powder, 40 to 80 parts of deionized water, 1 to 10 parts of polyethylene glycol 6000, 0.5 to 1.2 parts of sodium carboxymethyl cellulose, 1 to 20 parts of glycerol, 1 to 10 parts of triethanolamine, 0.3 to 0.7 part of sodium polyacrylate, 0.05 to 5 parts of 1, 2-benzisothiazolin-3-ketone and 1 to 10 parts of a modified silane coupling agent. According to the easy-to-disperse diamond grinding fluid, through the synergistic effect of the modified diamond micro powder and the modified silane coupling agent, the dispersity is excellent, and the stability is high; the formula is scientific, polyethylene glycol and other assistants are matched, precise process parameters and graded filtration are combined, the grinding efficiency is high, the surface smoothness of a workpiece is good, the antibacterial property and storage stability are good, and the application scene is wide.
Owner:KERUI SEMICONDUCTOR MATERIALS TECHNOLOGY (HEBEI) CO LTD

Shock-resistant hydraulic engineering ecological slope protection reinforcing device

The invention discloses an anti-impact water conservancy project ecological slope protection reinforcing device, and relates to the technical field of water conservancy projects, the anti-impact water conservancy project ecological slope protection reinforcing device has the advantages of reinforcing a slope protection and further improving the impact resistance of the slope protection, and the technical scheme is characterized by comprising the steps of S1, slope surface trimming; s2, foundation reinforcement is conducted, if a crack or a soft layer exists on the slope surface, reinforcement treatment needs to be conducted, and a lower blocking groove for concrete to be poured is excavated in the slope toe; s3, formworks are erected, a plurality of steel formworks which are evenly distributed at intervals are placed on the slope surface, geotechnical cloth is laid on the slope surface below the steel formworks and in the lower blocking groove, and connecting rods connected with the adjacent steel formworks are detachably connected to the sides, deviating from each other, of every two opposite steel formworks; the upper end of each steel formwork bends and extends to the upper end of the slope and abuts against an upper transverse plate erected on the ground, the lower end of each steel formwork extends to a notch of the lower blocking groove and abuts against a lower transverse plate, and the lower transverse plate is located in the lower blocking groove and abuts against the groove wall of the lower blocking groove. And S4, a concrete layer is poured.
Owner:JIANGSU SURVEYING & DESIGN INST OF WATER RESOURCES

A tantalum-based alloy and a method for producing the same

The application provides a tantalum-based alloy and a preparation method thereof. The preparation method of the tantalum-based alloy comprises the following steps: sequentially laying a first mixed material, a second mixed material and magnesium chips in a reaction crucible in a top-down direction, igniting the reaction crucible to generate an aluminothermic reduction reaction, and then sequentially performing a temperature reduction treatment and a surface finishing treatment to obtain the tantalum-based alloy. The first mixed material comprises aluminum particles, tantalum pentoxide, titanium oxide, potassium chlorate and aluminum fluoride. The second mixed material comprises aluminum particles, tantalum pentoxide, titanium oxide, potassium chlorate, aluminum fluoride and calcium fluoride. By adopting double dosing and covering the magnesium chips with the upper material, the application improves the ignition efficiency, significantly improves the material loss caused by the slow ignition speed and insufficient ignition of the material in the traditional off-oven method, and introduces a titanium source to form an AlTaTi compound, thereby significantly enhancing the alloy uniformity.
Owner:CHENGDE TIANDA VANADIUM IND

EPS (Expandable Polystyrene) mold surface flattening processing device

The invention relates to the technical field of mold flattening processing, in particular to an EPS mold surface flattening processing treatment device which comprises a rack, a grip support, a control panel, a driving box, a vibration polishing mechanism, a polishing head, a dirt suction head, a spray head, a dirt suction support, a transmission box, a dirt suction mechanism, an exhaust barrel, a liquid storage barrel, a linkage box, a liquid spray mechanism and a pump body. The polishing heads of various special-shaped structures can be driven to vibrate at high frequency through the vibration grinding mechanism, polishing grinding can be conveniently conducted on the inner corners of the mold, stains on the rear side areas of the polishing heads can be adsorbed through the dirt suction mechanism, part of devices can suck and collect the stains generated after the mold is ground in time, and the polishing efficiency of the mold is improved. And polishing liquid can be sprayed to the front side area of the polishing head through the liquid spraying mechanism, a large amount of polishing liquid is effectively prevented from being attached to the surface of the mold for a long time, and the high efficiency, cleanliness and protection performance of the device are improved.
Owner:NANTONG CHAODA EQUIP CO LTD

Fly cutter holder of long wood flaking machine

The utility model provides a fly cutter holder of a long material flaking machine, which relates to the field of fly cutter holders and comprises a main body unit, the main body unit comprises a cutter holder body, the top of the cutter holder body is provided with a through groove, and an inner cavity of the through groove is detachably connected with a fly cutter body; the tool apron body is an installation foundation of the fly cutter, the through groove is used for inserting and fixing the fly cutter body, the inner wall of the through groove does not affect angle adjustment of the fly cutter body due to the fact that the side view shape of the through groove is the isosceles trapezoid, and the installation frame is used for further fixing and supporting the fly cutter body to ensure stability of the fly cutter body in the cutting process. The threaded column is in threaded connection with the threaded plate, front-back adjustment of the position of the mounting frame is achieved, and therefore the rotating shaft is matched to adjust the cutting angle of the fly cutter body, the purpose of reducing resistance in the cutting process is achieved, the thickness, the uniformity and the surface smoothness of wood shavings can be controlled, and the wood shaving quality is improved.
Owner:NANJING DIJIE MASCH MFG CO LTD

A high-precision magnesium alloy die casting die device

ActiveCN121669888BSurface finishHigh density
The application relates to the technical field of die-casting production and manufacturing of metal parts, and particularly relates to a high-precision magnesium alloy die-casting die device. The device comprises a die mechanism, the die mechanism comprising a first die assembly, a second die assembly and a feeding mechanism, the first die assembly and the second die assembly being provided with a plurality of accommodation openings on the circumferential side, the accommodation openings being provided with liquid runners and cavities, the feeding mechanism comprising a feeding cylinder and a flow divider; a core, the core being located in the cavity during die closing; a core pulling assembly, the core pulling assembly being arranged in correspondence with the core; a overflow system, the overflow system comprising an overflow tank, an exhaust passage and an exhaust mechanism; the liquid runner comprising a first liquid runner and a second liquid runner, the first liquid runner being connected with a tail cavity of the metal part, and the second liquid runner being connected with a head cavity of the metal part. The die-casting metal part of the die device has high density and good surface finish, meets the application scenarios with high quality requirements, and can achieve the super-lightweight target in the low-altitude economic field, such as eVTOL, unmanned aerial vehicles and other aircrafts.
Owner:FOSHAN MAGOOD BICYCLE PARTS CO LTD