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1434 results about "Surface grinding" patented technology

Surface grinding is used to produce a smooth finish on flat surfaces. It is a widely used abrasive machining process in which a spinning wheel covered in rough particles (grinding wheel) cuts chips of metallic or nonmetallic substance from a workpiece, making a face of it flat or smooth.

Double-surface grinding and double-surface polishing high-efficiency ultraprecise processing method for large-sized A-directional sapphire mobile phone screen

The invention discloses a double-surface grinding and double-surface polishing high-efficiency ultraprecise processing method for a large-sized A-directional sapphire mobile phone screen. The method comprises the steps of crystal ingot orientation, crystal plate slicing, crystal plate double-surface grinding, crystal plate cleaning, crystal plate annealing, crystal plate double-surface polishing, secondary crystal plate cleaning, laser drilling, crystal plate chamfering, triple crystal plate cleaning and crystal plate film plating. According to the method, optimal parameters, including constituents of polishing liquid, of the optimal processing technology and all the steps can be obtained by screening by a large quantity of experiments. By the method, the manufacturing technology of the large-sized (10 inches) sapphire mobile phone screen can be simplified, the processing stress on the surface layer can be effectively eliminated, the mechanical processing damaged layers can be eliminated, and the ultrasmooth surface with a complete surface crystal lattice, the flatness being less than 5 microns and the polishing surface roughness (RMS) being less than 0.2 nanometers can be obtained; the processing quality is high, the cost is low, and the efficiency is high; compared with the prior art, the method disclosed by the invention has the advantage that an extremely high technical progress is achieved.
Owner:江西伟嘉晶创光电科技有限公司

Square tube cutting and end surface grinding integrated equipment

InactiveCN110421356ADisadvantages of realizing that it cannot be completed at one timeWork clamping meansOther manufacturing equipments/toolsCircular sawEngineering
The invention relates to the field of cutting and grinding machines, in particular to square tube cutting and end surface grinding integrated equipment. The equipment comprises a feeding component, acutting component and an end grinding component, wherein the end grinding component comprises a rotary table and two grinding mechanisms symmetrically arranged on the two sides of the rotary table, the feeding component comprises a first fixed clamp and a movable clamp, the cutting component comprises a movable base and a circular saw blade, an angle adjusting mechanism connected with a free end of a supporting arm is arranged at the top of the movable base, a horizontal pushing air cylinder is arranged at the top of the starting end of the feeding component in a horizontal state, the horizontal pushing air cylinder, the first fixed clamp, the movable clamp and the rotary table are linearly arranged in sequence, and a second fixed clamp is arranged on the top of the rotary table. Accordingto the square tube cutting and end surface grinding integrated equipment, the cutting component carries out cutting on a square tube, and the end grinding component carries out grinding on the squaretube, so that the cutting and end surface grinding integrated equipment is realized, and a large amount of manpower and financial resources are reduced.
Owner:吴丽平

Basketball stand backboard surface grinding device

The invention discloses a basketball stand backboard surface grinding device, and relates to the technical field of backboard machining. The basketball stand backboard surface grinding device comprises a supporting frame, a movable frame is slidably mounted on the supporting frame, clamping blocks used for clamping the backboard are symmetrically arranged on the movable frame, the top of the supporting frame is fixedly provided with an operation box, the supporting frame is fixedly provided with a double-shaft motor, and one output shaft is coaxially and fixedly provided with an incomplete bevel gear meshed with a bevel gear I or a bevel gear II. According to the grinding device, a grinding plate rotates along with a rotating shaft, so that rotary grinding of the surface of the backboard can be realized, meanwhile, the grinding plate can perform transverse reciprocating motion, so that the grinding effect of the backboard is further promoted, the grinding range is wider; and an incomplete gear is arranged to be alternately meshed with two inner racks to achieve reciprocating movement of the movable frame, so that the backboard on the movable frame can move in a reciprocating mode,and the movement direction is perpendicular to the translation direction of the grinding plate, therefore the grinding efficiency is greatly improved, and comprehensive grinding of the backboard is realized.
Owner:李智伟

Ultra-precise processing integrated platform for large caliber optical mirror surface

ActiveCN102756316AEasy to moveAchieve multi-axis ultra-precision grindingOptical surface grinding machinesOptical processingSurface grinding
An ultra-precise processing integrated platform for a large caliber optical mirror surface solves the problem that processing and detection are not integrated while processing the large caliber optical mirror surface in the conventional optical processing technical field. The platform integrates grinding, detection and milling for processing the large caliber optical mirror surface, and comprises a base, a horizontal moving device, a rotation device, an ultra-precise grinding device, a mirror surface detection device and a milling device, wherein the horizontal moving device drives the rotation device to move to a workpiece mounting position, a grinding position, a surface shape detection position and a milling position in a horizontal direction; a vertical moving device drives a spindle system and a diamond grinding wheel to move up and down in a vertical direction; the spindle system can adjust the inclined angle of the diamond grinding wheel; the diamond grinding wheel has a cambered surface; when in the workpiece mounting position, the rotation device can conduct cambered surface grinding on a workpiece; when in the surface shape detection position, the rotation device can conduct surface shape detection on the workpiece; when in the surface shape detection position, the rotation device can mill the workpiece.
Owner:SHANGHAI JIAO TONG UNIV

Diamond tool bit bottom surface grinding device

The invention provides a diamond tool bit bottom surface grinding device, which belongs to the technical field of the operation. The problem that the traditional diamond tool bit bottom surface grinding has low production efficiency because of grinding by a common machine tool is solved. The diamond tool bit bottom surface grinding device comprises a rack, wherein the rack is provided with a first grinding mechanism, a transfer discrimination mechanism and a second grinding mechanism, wherein the first grinding mechanism can be used for grinding the certain end surface of a diamond tool bit into a bright surface; the transfer discrimination mechanism can be used for transferring out the diamond tool bit capable of grinding the certain end surface of the diamond tool bit into the bright surface, can be used for judging whether the bright surface is positioned on the bottom surface or a tool surface and enables the diamond tool bit to face to the same direction according to the judgment result; and the second grinding mechanism can be used for bearing the diamond tool bit with the same facing direction of the transfer discrimination mechanism and can be used for grinding the diamond tool bit bottom surface. The diamond tool bit bottom surface grinding device has the advantages of convenience in production, labor force saving, high automation degree and high efficiency. According to the test, the diamond tool bit bottom surface grinding device can be used for grinding ten diamond tool bit bottom surfaces in one minute.
Owner:ZHEJIANG BANNINGER FLUID CONTROL CO LTD

Panel surface grinding device and grinding method with multi-degree of freedom

ActiveCN104723185ARealize multi-degree-of-freedom grindingImprove grinding limitationsGrinding drivesPlane surface grinding machinesMulti degree of freedomEngineering
The invention relates to a panel surface grinding device and grinding method with multi-degree of freedom. The panel surface grinding device with the multi-degree of freedom comprises a left side plate and a right side plate, a transmission mechanism, a driving mechanism, a grinding mechanism and a lifting table mechanism; the transmission mechanism and the lifting table mechanism are both fixedly connected with the inner sides of the left side plate and the right side plate, and the driving mechanism and the grinding mechanism are connected with the transmission mechanism. By means of the adjustment of the mechanisms, position adjustment is achieved in the directions of X, Y and Z; by means of own characteristics of an articulated mechanism, and the adjustment of different grinding angles on a panel surface is achieved. The grinding direction can be adjusted according to the own characteristics of products and the grinding requirements, the grinding direction is adjusted, the grinding of a panel with the multi-degree of freedom is achieved, the grinding limitation of an existing automatic grinder is improved, manual operation is replaced by automatic processing by using a machine, the labor intensity of workers is relieved, the production efficiency is improved, and the production quality of the products is guaranteed.
Owner:安徽金大进重工机床有限公司

Novel wood plastic anticorrosive wallboard and production method thereof

The invention relates to a novel wood plastic anticorrosive wallboard for outdoor wall decorations and a production method thereof. The wood plastic anticorrosive wallboard consists of PE or PP plastic, wood powder or bamboo powder, calcium carbonate, coupling agent, lubricant, antiaging agent, antibacterial agent and colouring agent. The production method comprises the following steps that: the raw materials are subject to mixing, granulation and extrusion molding to obtain a baseplate, and the baseplate is subject to cooling, cutting, surface grinding, and embossing to obtain a product. The side of the baseplate is a slot structure, and the water absorption of the baseplate in 24h is 0.2%. The wallboard used in the field of outdoor decorations has the advantages of graceful appearance, lifelike pattern, reasonable structural design, being easy to install, fireproofing, waterproofing, insect preventing, sun protection, aging resistance, no formaldehyde, good sound-absorbing effect, good antibacterial and anticorrosive effects and the like, and being 100% recyclable. Compared with other wallboard decorative materials and production technologies existed in the prior art, the novel wood plastic anticorrosive wallboard disclosed in the invention has reasonable structure, and graceful and beautiful appearance, and the production method is advanced and scientific, with high production efficiency, and good performance of the produced products.
Owner:HUANGSHAN MEISEN NEW MATERIAL TECH

Plate glass surface grinding device and method

The invention relates to a flat glass surface grinding device which can meet the processing requirement of large-area flat glass and a grinding method thereof; the grinding device comprises a grinding worktable, a base and a frame, wherein, the grinding worktable is arranged on the guide rail, independently moves along the X direction or along the Y direction and is used for mounting a glass substrate; the base is used for bearing a guide rail; the frame spans over the two sides of the grinding worktable and is fixedly connected with the base; two or more grinding heads are arranged on the frame above the grinding worktable and is driven by a power device to rotate; all grinding heads are arranged on a revolution bracket which is connected with a rotation shaft of a revolution bull gear; the revolution bull gear is meshed with a gear on an output shaft of a revolution driving motor; the rotation shaft of the revolution bull gear is connected with an ascending-descending cylinder of the grinding heads and is driven by the ascending-descending cylinder to ascend and descend; the grinding pressure of the grinding heads are adjusted by the ascending-descending cylinder; even grinding is achieved by the rotation and revolution of a plurality of grinding discs and the motion of the worktable. The grinding device and the grinding method have good grinding efficiency and can be applied to a surface polishing process in the field of liquid crystal glass substrate.
Owner:HENAN ANFEI ELECTRONICS GLASS

Sintering process method and device for producing microcrystalline glass by using blast furnace slag

The invention discloses a sintering process method and device for producing microcrystalline glass by using blast furnace slag, belonging to the field of metallurgical and inorganic non-metallic materials. The process method comprises the following main steps that: (1) blast furnace slag is transferred to a composition hardening, tempering and stirring tank, a modifier, a coloring agent and a nucleating agent are added into the tank, the obtained mixture is uniformly stirred, and the temperature of the slag is ensured; (2) the slag enters a water quenching pond through a slag inlet and is quenched with water so as to form glass particles; (3) after the glass particles are finely ground and screened, qualified glass particles are dried; (4) the dried glass particles are distributed on a shelf board and enter a nucleating area; (5) after the temperature of the nucleating area arises to 700-800 DEG C, the glass particles are subjected to heat preservation; (6) after entering a crystallization area, the glass particles are heated to 900-1100 DEG C and then subjected to heat preservation; and (7) the glass particles enter a cooling area to be cooled, thus obtaining products; and then the qualified products are subjected to surface grinding and polishing, thus obtaining a finished product microcrystalline glass. According to the invention, blast furnace slag and solid waste resources are fully used, and the product microcrystalline glass has the advantages of high strength, corrosion resistance, multiple colors and the like and has remarkable economic benefits and environmental protection benefits.
Owner:UNIV OF SCI & TECH BEIJING

Stainless steel plate 8K mirror surface processing method

The invention relates to a stainless steel plate 8K mirror surface processing method, which is characterized in that the method comprises the following steps of: 1) water washing: cleaning sundries on the surface of a stainless steel plate; 2) rough polishing: polishing the surface of the stainless steel plate by using a rough polishing abrasive tool, i.e. a graphite wheel till the surface is evenly treated and is free of pocking marks, wherein the polishing gap is half of diameter of the polishing wheel; 3) precise polishing: precise polishing the surface of the stainless steel plate by using a precise polishing abrasive tool, i.e. a wool felt, in combination with polishing solution till the surface is free of wheel knurls and fine scratches and is uniform; 4) water washing and drying: washing the stainless steel plate with water and blow-drying the stainless steel plate by using a dryer; and 5) film sticking: sticking a film by using a stainless steel plate film sticking machine. By using the stainless steel plate 8K mirror surface processing method, the surface of a stainless steel plate production can be polished to an 8K mirror surface from a 2B or rougher surface, the mirror surface is bright, gorgeous, attractive and generous, and the processed product satisfies the requirements in SN/T1671-2005 Rules for Inspection of Surface Quality of Stainless Steel Decoration Sheets for Export.
Owner:SHENYANG YUANDA ALUMINUM IND GROUP

Multi-angle two-dimensional ultrasonic vibration-assisted nanofluid minimized quantity lubricating and grinding device

The invention discloses a multi-angle two-dimensional ultrasonic vibration-assisted nanofluid minimized quantity lubricating and grinding device. The device comprises a workpiece clamp for clamping a workpiece and a grinding wheel for grinding the workpiece, wherein the workpiece clamp is connected to a two-dimensional ultrasonic vibrating device so as to maintain the degree of sharpness of the cutting edge of the grinding wheel and reduce the surface grinding temperature of the workpiece; an injection mechanism for injecting a nanofluid to the workpiece is arranged on one side of the grinding wheel to form coupling of two-dimensional ultrasonic vibration and nanofluid minimized quantity lubrication and grinding. The device applies a variable-angle two-dimensional ultrasonic vibration technology to grinding, and different combined vibrating directions are generated by adjusting the angles of two ultrasonic vibrators, so that the relative movement tracks of abrasive particles and the workpiece are changed. The grinding force and the grinding temperature are detected in real time through a force measuring device and a temperature measuring device, and meanwhile, the device is matched with nanofluid minimized quantity lubrication, so that the machining quality of the workpiece is further improved, and the thermal injury of the workpiece is avoided.
Owner:QINGDAO TECHNOLOGICAL UNIVERSITY

Hot-spraying nano composite ceramic coating plastic mold and production method thereof

InactiveCN101249698AEasy releaseRealize easy demouldingMolten spray coatingCeramic layered productsThermal sprayingComposite ceramic
A plastic mold for hot-spray nanometer composite ceramic coating and a production method thereof are provided. The plastic mold is composed of a plastic mold steel basal body, a bottom bonding layer and a nanometer composite ceramic working layer produced by hot-spray technology. The bottom bonding layer adopts any of the Ni/AI, AI/NI or NiCrAl materials. The nanometer composite ceramic working layer adopts the material of granular ball-shaped nanometer composite hot-spray coating powder which is a compound of chromium oxide chromium sesquioxide, titanium dioxide and silicon dioxide. The production method comprises the following steps: firstly, preparing hot-spray coating on mold steel workpieces to be processed according to standard and optimized hot-spray process; secondly, conducting surface grinding and polishing to meet the technical requirements for the size, precision, surface toughness, etc. of the plastic mold. The production method is simple, low in production cost and easy to industrialize, and realizes the high-quality characteristics of the plastic mold such as high rigidity, high wear resistance, high corrosion resistance, long service life, and easiness to de-mould, so that the method has good market application prospect and high commercial value.
Owner:WUHAN YOUKE SURFACE ENG
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