927 results about "Workmanship" patented technology

A home rating and assessment system includes logic configured to identify, analyze and rate features of properties in accordance with customizable filters. By accounting for specific structural aspects of properties, including key structural features, their workmanship, condition, etc. more precise estimates can be calculated for rating/ranking homes relative to each other for particular industries.

The invention belongs to the technical field of production control, and provides a workshop operation management method, a workshop operation management system and a server. The method comprises the following steps of: determining a production plan list of a product to be produced, and generating a process command list and a plan feeding list; printing a process flow card according to the process command list, wherein the process flow card at least comprises two bar codes, respectively a bar code of the product to be produced and the bar code of each processing procedure; generating a dispatch list according to the process command list; transmitting the dispatch list to each personal terminal; receiving the start information and the completion information of each processing procedure transmitted by the personal terminal; and generating production process and cost accounting information according to the start information, the completion information and the processing batch quantity of each processing procedure. Therefore, the production management controlled by the bar codes on the process flow card is realized; the production process is managed and controlled effectively; the on-time delivery rate of orders is improved; quota material reception is realized; and simultaneously, the product quality is ensured.

The invention discloses a test procedure of 32m/900t pre stress pre open box girder concrete box, it includes building testing counter, laying test beam body, fixing balance weight and setting test equipment, and doing load test of three circulation by ordering step by step, and dong crack test for the 32m/900t pre open box girder effectively, splitting test and breaking test, dong experiment for the design of 32m pre open box girder, construct artwork, workmanship and the anti split and intensive properties of box girder.

The intelligent analysis method, the intelligent system, and method for controlling position of X light source are in use for checking products of print circuit board (PCB). Defect recognition algorithm raises accuracy of recognition, and lowers erroneous judgment of false defect. Through user's main threaded, threaded of background operator, and monitoring threaded of serial port, the disclosed intelligent system at PC end, as well as PLC communication and control multithreading implements coordinational synchronization between PC intelligent system and PLC. Since penetrability of X ray, percentage of coverage for detecting defective workmanship of PCB by system is raised greatly.

The invention relates to a method for preparing a gradient nano-structure on the surface of a metal material. According to the method, a processed plate workpiece is placed inside a cooling tank; a fixture is adopted to tightly press the workpiece; the lower end surface of a tool head is placed on the surface of the workpiece, and is pressed into the surface of the workpiece; a cooling medium is poured into the cooling tank, wherein the workpiece is submerged by the cooling medium; after a temperature of the workpiece reaches a temperature of the cooling medium, the tool head rotates at a certain speed while a work table horizontally moves at a certain speed to drive the workpiece to horizontally move at a certain speed so as to complete a shear deformation treatment by the high hardness end surface of the tool head during a high speed rotation process, wherein high strain rate and large strain are generated to the surface of the workpiece with the shear deformation treatment, and a plurality of deformation treatments are performed on the surface of the workpiece by using the high-speed shear deformation technology. Compared with the method in the prior art, the method of the present invention has advantages of high processing efficiency, low equipment loss, low manufacturing cost, simple process, strong applicability, and the like.

The invention is applicable to the technical field of visual positioning, and provides a metal component automatic positioning method and a terminal device. The automatic positioning method comprisesthe steps that an image of a metal component is acquired, and is binarized to acquire a binarized image; edge extraction is carried out on the binarized image to acquire an edge image; polygon fittingis carried out on the edge image, and the barycentric coordinate of the polygon is acquired according to the fitted polygon; and the center coordinate of the barycenter of all polygons and the slopeof a line fitted by the barycentric coordinates of all polygons are calculated according to the barycentric coordinate. According to the invention, some workpieces with high processing precision and fine workmanship are prevented from the risk of being scratched by a positioning device, and accurate and non-destructive positioning of processed workpieces is realized.

A wall molding for suspended ceiling systems has a self-aligning feature adapted to locate one end of a piece being installed on the end of a previously installed piece so that an installation of high quality workmanship is quickly obtained. The self-aligning feature is in the form of a tongue extending longitudinally beyond a faux end and adapted to nest in the previously installed piece. The tongue fits within the spaces between hems on the longitudinal edges of legs of a right angle cross-section and the opposed legs so that the tongue is laterally restrained in the planes of the legs and is longitudinally restrained by abutting end edges.

A paint palette with tray and accessory components having releasable bonding surfaces such as magnets and metallic layers, layers of sticky adhesive, static cling elements, or layers of other types of chemical or mechanical bonding surfaces. The palette components include paint pans, mix/wash pans, note stands, dividers, water container, and laminated value charts, all with bonding surfaces that adhere to and may be repositioned on the tray components. The paint pans and mix/wash pans are preferably stackable, of varying size and depth, some with slanted opening for ease of access to paint, and at least one rough exterior wall for labeling. A second embodiment uses multiple paint palettes in a modular system for use with mixed media. The palettes may be repositioned and held in place by magnets on the palette sides. The palettes are stackable and may be stored and transported in an adjustable carrying case.

The invention relates to an A1203-MgO-C unfired product with carbon wrapped by nano Al2O3-MgO film and a preparation method thereof. The product uses natural high alumina bauxite (AlOOH) and sintered periclase (MgO) as initial raw material and employs method of sol-gel technology, which comprises following steps, putting superfine high alumina bauxite, carbon dust, water and additive into high speed impact mixer, carrying out coating process so as to let the materials have strong impact and mix with each other to form high density composite sol suspension liquid of carbon and aluminium hydroxide, therefore Al(OH)3 is mightily adsorbed on the surface of carbon, then realizing workmanship of coating powdered carbon by aluminium hydroxide. During the wet-milled process of mixture, the magnesium oxide powder and the mixture water in the matrix powder have hydration reaction to produce magnesium hydroxide sol, and the magnesium hydroxide sol and the aluminium hydroxide sol have situ synthesis reaction to produce nanostructured matrix of carbon-aluminium spinel to prepare A1203-MgO-C unfired product of the invention.

The invention discloses a plate-shape parameter online setting method for a dual-UCM temper mill on the basis of mechanism models. The method of the invention is characterized in that: a. the equipment parameters of the dual six-roll UCM type temper mill are collected; b. the key rolling process parameters of the strip to be quickly online set are collected; c. the plate-shape parameters are roughly calculated; d. the plate-shaped parameters are finely calculated; f. the shrinkage movement of the middle rolls of the frame 1model and frame 2model of the temper mill, and the roll bending force of a work roll and a middle roll are calculated correspondingly to the roll shifting coefficient and the roll bending coefficient; furthermore, the online setting of the parameters are realized on the temper mill. When the comprehensive control method provided by the invention is adopted, the plate-shape parameter setting technique on the basis of the mechanism models can be applied online, and can meet the precision requirement on engineering, as well as can effectively ensure the plate-shape quality of the finished product, the service life of the roller, and the service life of the bent roll cylinder, thus bringing obviously economical benefits for the enterprises. The method of the invention is simple and clear and suitable for online application.

The invention provides a machining method of a high-precision deep and long hole thin-walled sleeve part. The machining method comprises the following steps that a rod is clamped and subjected to rough-machining forming, the machining allowance is reserved, and a process chuck is reserved; a roughly-machined workpiece is subjected to thermal treatment aging; and the process chuck of the workpieceis clamped by a lathe, finish machining of the workpiece is completed during primary clamping machining according to a workpiece drawing, and finish machining is divided into the following working steps that a core shaft, a lining and a screw are manufactured; the process chuck is clamped on the lathe, the core shaft is crammed into roughly-machined inner holes of the workpiece, and an outer circle of the part is machined to the required dimension; the screw is screwed into a core shaft threaded hole, and the core shaft is taken out of the workpiece; the lining sleeves the machined outer circle of the workpiece, the outer end face of the workpiece is machined, and the large and small inner holes and the bottom face are bored; tool setting is conducted from the bottom face, the outer end face of the workpiece is machined, and the length dimension L2 of the workpiece is ensured; and the workpiece is cut off, and the total length L1 of the workpiece is ensured. According to the machiningmethod of the high-precision deep and long hole thin-walled sleeve part, the rigidity of the part is improved, machining deformation of the part is reduced, vibration during thin-walled part machiningis reduced, and the machining quality and surface roughness are improved.

The invention discloses a manufacturing method for a tool for machining a heat treatment deformation circular-disc blade. The manufacturing method comprises machining of a tool main body and machining of a tool accessory and comprises the following steps: (1) preparing tool main body raw materials; (2) annealing a forged blank; (3) initially machining the forged blank into a tool main body; (4) carrying out heat treatment on the tool main body; (5) deeply machining the tool main body; (6) detecting the tool main body; (7) preparing tool accessory raw materials; (8) annealing a forged blank ofthe tool accessory; (9) turning of the forged blank of the tool accessory; and (10) tightening the tool main body and the tool accessory together by using a bolt for combined use. According to the invention, through reasonable ingredient composition and a heat treatment process corresponding to the ingredient, a deformation-free effect of the tool is achieved; and during fixing the circular-disc blade, a deformation layer of the circular-disc blade can be rapidly eliminated, so that the machining accuracy of the circular-disc blade is improved and the qualified rate of products is increased.

The invention discloses a process for machining a positioning gasket. The process comprises the following steps of: 1, performing finish turning, namely performing the finish turning on an excircle and an inner hole of a raw material until the sizes of the excircle and the inner hole reach design sizes; 2, performing heat treatment; 3, performing wire cutting; 4, grinding, namely clamping a workpiece by using a double-sided grinding fixture, grinding the plane of the workpiece until the size of the workpiece reaches the design size, and keeping depth of parallelism, planeness and surface roughness; 5, performing finish-milling, namely milling positioning holes in the workpiece according to the requirement of a drawing; 6, performing aging, namely keeping the workpiece in a drying oven at the temperature of 140 DEG C for 12 hours; 7, polishing, namely polishing the surface of a part by using a magnetic force polishing machine without bumping and scratching, and demagnetizing the part by using a demagnetizing machine; and 8, packaging for warehousing. Due to the adoption of the process, the positioning gasket can be machined quickly and efficiently and is high in accuracy, the utilization rate of materials is high, cost is saved, and machining efficiency is improved.

The invention relates to workmanship of a microscopic oil displacement model used in oilfield chemistry and acid fracturing laboratories to simulate a medium-low permeable oil deposit so as to study the oil displacement process. The invention adopts the technical scheme that the workmanship includes the steps: polishing, washing and blow-drying a glass substrate and then roasting the glass substrate on a glue baking plate; spin coating a layer of tackifier on the glass substrate and then baking on the glue baking plate, so as to form a nano-film; spin coating a layer of photoresist, and baking on the glue baking plate; converting an oil deposit picture into a black and white picture, importing the picture into photoetching software, exposing the glass substrate and then developing in developing liquid, washing, blow-drying, and baking on the glue baking plate; sealing the unexposed part of the glass substrate through paraffin wax, rusting in corrosive liquid, washing, then boiling in sulfuric acid and hydrogen peroxide, washing and blow-drying; tightly pressing the glass substrate to a mica sheet ,and sintering in a muffle furnace; and finally, grinding an access passageway, and putting capillary tubes into the access passageway to make a microscopic oil displacement model for studying the oil displacement process.

The invention discloses a method for manufacturing purple mud pottery. The method comprises the following steps: selecting drying and crushing kaolin, red porcelain clay and yellow clay, adding water into the mixture, adding screened river sand to prepare mud, molding, drying in the shade, patching, manually manufacturing a mouth, a kettle handle and the like, assembling the mouth, the kettle handle and the like with a kettle body, polishing, performing press polish, drawing, sculpturing, carving, drying in the shade at low temperature, drying at medium temperature, drying at high temperature, firing in a kiln, discharging from the kiln to obtain a finished product. Because the raw material formula is improved, the large-scale kaolin and river sand are added on the basis of the original yellow clay and red porcelain clay, the density of the pottery products is improved, particularly the firing temperature is increased, the problems that the sintering hardness and the density can not be meet during low-temperature firing are solved, the problem that high-temperature firing water seepage can not be realized is solved, and the pottery is bright in color, ideal in air permeability and exquisite in workmanship and is a brand new pottery product.

The invention relates to the hot rolling strip steel rolling technology, in particular to the virtual simulation of hot continuous rolling strip steel rolling process, and discloses a hot continuous rolling strip steel virtual rolling simulation system which solves the problems during strip steel rolling including equipment problem, defective workmanship, system logic loophole and model precision by means of simulation technique. The hot continuous rolling strip steel virtual rolling simulation method comprises the following steps that: simulation equipment and a simulation input control strategy triggering system used during hot continuous rolling are set up; operating condition is input to the simulation equipment by the simulation input control strategy triggering system; the simulation equipment operates to obtain equipment data and basic automation level data; the equipment data and basic automation level data are converted and transmitted to real equipment, equipment after virtual execution conversion and the basic automation level data; moreover, execution results are monitored. The invention has the advantages that: the invention substantially reduces on-site maintenance and debugging time and greatly improves control quality and precision; moreover, the invention provides a visualized communication platform between designers and end users.

The invention discloses a production process full-period intelligent workshop system based on a digital twinning technology and a solving method. The system comprises a design planning module and a virtual-real synchronization module. The design planning module is used for building virtual components required by the digital twin of the automatic workshop in the virtual component design module, carrying out process design according to actual production requirements, arranging an automatic production line, and verifying a production line planning effect and a control program. The virtual-real synchronization module builds a real production line after verification, collects the operation data of the real production line, transmits the operation data to the data management and storage module, completes the synchronization between the real production line data and the digital twin data, and displays the virtual-real synchronization condition and the operation data, and finally guides the actual production by using the data processing result of the digital twin. The system and method run through the full life cycle of the production line, and production accidents and economic losses caused by design defects can be avoided; the simulation credibility is improved; and feedback control is performed on a real production line, so that major safety accidents and property loss can be effectively avoided.

The invention discloses a double-driving shaft composite automatic finishing method for a blisk. The method comprises the following steps of: machining by using special equipment with a rotary working table, wherein the equipment is provided with a fixed rotation axis; rotating a machined workpiece around the rotation axis relative to the rotary working table, wherein the rotation axis of the workpiece is parallel to the rotation axis of the rotary working table but is not coincident with the rotation axis of the rotary working table; revolving the machined workpiece around the rotation axis of the rotary working table during the rotation; and performing composite finishing operation on the machined workpiece by using a planar abrasive tool or/and a powdery or paste abrasive material under the motion condition. By the method, a completely new process is provided for improving the surface quality of a large-sized part with a complex shape and a high requirement on surface quality. A machining alternative method is found during the polishing of a large number of manually polished parts. The method has higher social value and economic value.

The invention relates to a method and a system for robot carving machining for three-dimensional specially-shaped stone. A six-axis serial robot is utilized for cooperating with a rotatable workbench,carving machining for the three-dimensional specially-shaped stone is realized in combination with corresponding CAD, CAM and CNC software, and machining for a large carving can be realized, so thatthe machinable model range is greatly expanded; and many machining manners of saw cutting, rough machining, semi-finish machining and finish machining are combined in a machining process, and different tools and process parameters are selected in different machining processes, so that the machining efficiency is increased while the final machining quality is ensured, promotion and application fora fully-automatic stone carving technology are benefited, and the method and the system are of great significance to the development of the whole stone carving industry.