49results about How to "Shorten product cycle" patented technology

The invention provides an electric melting forming method of a metal component, which has the advantages of high efficiency, low cost and excellent mechanical performance. In the method, an electric melting head and a substrate are connected to two poles of a power supply; a raw metal wire is conveyed to the surface of the substrate by a conveying mechanism and the electric melting head in forming; under the stacking protection of granular accessories, an electric arc is generated between the raw metal wire and the substrate; a molten part is overlaid on the accessories to form a molten slag pool; current flows through the raw metal wire and the molten slag pool to form resistance heat and electroslag heat; the raw metal wire is molten under the effect of three thermal compound high-energy heat sources of electric arc heat, the resistance heat and the electroslag heatto form a local molten pool on the surface of the base material; the raw metal wire and the accessories are continuously conveyed; the relative movement of the electric melting head and the substrate is controlled by a computer according to hierarchical slicing data of the formed component to realize quick cooling and layer-by-layer condensation and accumulation of the molten pool on the substrate; and finally, the metal component with the needed shape and size is formed through layer-by-layer accumulation.

The invention provides an electric smelting forming method for a nuclear power station pressure vessel shell. The method is efficient and low in cost and has the good mechanical property. The method comprises the steps that an electric smelting head and a base material are connected to two electrodes of a power source, and in the forming process, a metal raw material wire is conveyed to the surface of the base material through a conveying mechanism and the electric smelting head; under accumulation protection of a granular auxiliary material, an electric arc is generated between the raw material wire and the base material, and a molten slag pool is formed by smelting part of the accumulated laid auxiliary material; a current flows through the raw material wire and the molten auxiliary material slag pool to form resistant heat and electric slag heat; under the effect of three composite high-energy heat sources of the electric arc heat, the resistance heat and the electric slag heat, the raw material wire is smelted, and a local smelting pool is formed on the surface of the base material; the raw material wire and the auxiliary material are continuously conveyed; according to hierarchy slicing data of a forming component, a computer is adopted to control relative moving of the electric smelting head and the base material; and the aim that the smelting pool is rapidly cooled on the base material and solidified and stacked layer by layer, and finally the nuclear power station pressure vessel shell is formed is achieved.

The invention discloses a method for generating visualization of a speech recognition network, and the method includes: receiving keywords through a human-computer interaction interface. The current domain field is selected from a plurality of preset general domain fields, and each general domain field corresponds to a plurality of preset crawlers and corresponds to a plurality of preset web crawling pages. Get a general corpus. Get a specific corpus. Train the general corpus to obtain the general language model and the specific language model. After the WFST speech recognition network of the general language model and the WFST speech recognition network of the specific language model are connected in parallel, combined with the acoustic model and pronunciation dictionary, the WFST speech recognition network is synthesized through combination, determinization, and minimization operations. By configuring the system on the same platform, the training speed of the language model is accelerated, the product cycle is shortened, the labor consumption is shortened, and the labor cost is saved. At the same time, through the combination of general language model network and specific language model, the accuracy and efficiency of language recognition can be improved.

The invention discloses a memory mirroring card debugging method and system thereof, comprising: after inserting a memory bar into the memory mirroring card to be tested, the processor of the memory mirroring card to be tested sends basic commissioning instructions to perform basic functions of the memory mirroring card to be tested Commissioning: After the basic commissioning results meet the predicted basic commissioning requirements and the gold finger interface of the memory mirroring card to be tested is inserted into the memory mirroring card on the simulated computer side, the processor of the memory mirroring card on the simulated computer side sends a basic commissioning command for reading and writing, To call its own preset read-write commissioning program to perform basic read-write commissioning of the memory mirror card to be tested; after the read-write commissioning results meet the read-write commissioning requirements and the memory mirror card to be tested is inserted into the host, the host generates sending and receiving commissioning commands , to perform data sending and receiving commissioning on the memory mirroring card to be tested until the sending and receiving commissioning results meet the preset sending and receiving commissioning conditions. The test process of the present invention can be set according to requirements, has less limitations, and the test reliability after being inserted into the host is higher.

An electric melting method for forming a nuclear power plant voltage regulator cylinder: a high-energy heat source formed by combining electric arc heat, resistance heat, and electroslag heat is employed to melt a continuously conveyed raw material metal wire (1), which is solidified and deposited layer-by-layer on a substrate (2) to form a manufactured metal structure; an electric melting head (6) and a substrate (2) are connected to either electrode of a power source, when forming, the raw material metal wire (1) is fed to a surface of the substrate (2) via a conveyor mechanism (5) and the electric melting head (6), under the protection of a stack of a granular auxiliary material (3), an electric arc (9) is produced between the raw material wire (1) and the substrate (2) to partly melt the surfacing auxiliary material (3) to form a molten slag pool (8), an electric current flows through the raw material wire (1) and the molten auxiliary material slag pool (8) to form resistance heat and electroslag heat, the raw material wire (1) is molten under the effect of the high-energy heat source combining the electric arc heat, the resistance heat, the electroslag heat, a partly molten pool (11) is formed on the surface of the substrate (2), conveyance of the raw material wire (1) and the auxiliary material (3) is continued, a computer is employed to control relative movements of the electric melting head (6) and of the substrate (2) on the basis of layer slicing data of a forming component, rapid cooling and layer-by-layer solidification and deposition of the molten pool on the substrate (2) is implemented, and finally, the voltage regulator cylinder is formed by layer-by-layer deposition.

A submerged arc additive manufacturing method for a metal structure having great mechanical properties. The submerged arc welding method for forming the metal structure is such that: two electrodes of a welding power source (12) respectively are connected to a welding torch (6, 401, 602, and 603) and to a substrate (2, 201, 202, and 203), a granular flux (3, 301, 302, and 303) and a metal welding wire (1, 101, 102, and 103) are simultaneously conveyed onto a surface of the substrate, power is turned on, an electric arc is produced between the substrate and the welding wire covered by the flux, thus allowing the welding wire and the surface of the substrate to be partly molten to form a weld pool on the surface of the substrate, conveyance of the welding wire and the flux is continued, and relative movement paths of the welding torch and of the substrate are controlled on the basis of modulus data of parts, thus implementing layer-by-layer hardfacing deposition on the substrate to form the metal structure.

The invention discloses an NFC antenna, which is connected to a circuit board through a thimble, comprising: a substrate; a first contact unit, a second contact unit and a conductive coil located on the upper surface of the substrate; wherein the first contact unit includes multiple a first contact for connecting to the positive pole of the thimble, the second contact unit includes a plurality of second contacts for connecting to the negative pole of the thimble; a plurality of conductive via holes penetrating the substrate, Connected to each other through the conductive pattern located on the lower surface of the substrate; the first contact is connected to the outer ring of the conductive coil, and the second contact is connected to the inner ring of the conductive coil through the conductive via hole and the conductive pattern The connection; the first contacts and the second contacts are arranged in a dot matrix, and each row includes the first contacts and the second contacts arranged at intervals, and each column includes the first contacts arranged at intervals. contact and the second contact. The array contact design can meet a variety of thimble contacts, without the need for custom-designed antennas.

An electric melting method for forming a nuclear power plant evaporator cylinder: an electric melting head (6) and a substrate (2) respectively are connected to either electrode of a power source (12), when forming, a raw material wire (1) is fed to a surface of the substrate (2) via a wire feeder mechanism (5) and the electric melting head (6), under the protection of a stack of a granular auxiliary material (3), the raw material wire (1) is molten under the effects of three heat sources, namely electric arc heat, resistance heat, and electroslag heat, a partly molten pool (11) is formed on the surface of the substrate (2), conveyance of the raw material wire (1) and the auxiliary material (3) is continued, a computer is employed to control relative movements of the electric melting head (6) and of the substrate (2) on the basis of layer slicing data of a forming component, rapid cooling and layer-by-layer solidification and deposition of the molten pool (11) on the substrate is implemented, and finally, the nuclear power plant evaporator cylinder is formed. The method is highly efficient and inexpensive. The nuclear power plant evaporator cylinder formed is provided with great mechanical properties.

The invention provides a preparation method of an aluminum-coated magnesium composite rod wire rod. The preparation method comprises the following steps that the surface of a magnesium alloy core material is cleaned, and then is placed in the central position of a crystallizer and is fixedly connected with a traction device; after an aluminum alloy is heated and melted, the aluminum alloy is poured into a casting inner cavity of the crystallizer, aluminum alloy liquid is in contact with the magnesium alloy core material, the aluminum alloy layer is formed by cooling and solidifying the surfaceof the core material, and meanwhile, the traction device is started, and the composite blank is pulled out from the lower part of the crystallizer, so that continuous coating can be realized; the size ratio of the inner diameter of the casting inner cavity of the crystallizer to the inner diameter of the magnesium alloy core material is 1.5-2.3:1; and after the aluminum-coated magnesium compositeblank is heated, continuous multi-pass rolling is carried out, and the aluminum-clad magnesium composite bar materials with different section sizes and section shapes are prepared by adjusting the rolling pass and the shape of rolling holes. The material has good tissue performance, and is low in cost, high in efficiency and wide in applicability.

The invention discloses a method of eliminating skin wrinkles of a large surface based on a gradient gap die and belongs to the field of techniques of removing skin formation wrinkles. Batch production of high-quality skin can be implemented herein by optimally designing die gaps and manufacturing; the method herein is applicable to the formation of skin parts of various high-intensity materials,particularly manufacturing of titanium alloy skin parts; pressure-pressure stress state is a main cause to wrinkling; gaps are reasonably designed, gradient frictional resistance is utilized to form acontrollable resistance field, and therefore, mobility during plate forming process is limited, the pressure-pressure stress state in plates is reduced, wrinkle removal is achieved, and high-qualityparts with corrugation meeting technical requirements are met. The method herein may be used as a new method to eliminate wrinkles in thermal formation of titanium alloy large-surface skin so as to obtain high-quality parts.