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

The invention mainly aims at providing a forming method of a hydrogenation reactor barrel. The method is efficient, low in cost and good in 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, metal raw material wires are conveyed to the surface of the base material through a conveying mechanism and the electric smelting head; under accumulation protection of granular auxiliary materials, an electric arc is generated between the raw material wires and the base material, and a molten slag pool is formed by stacking and laying the auxiliary materials on the smelting portion; current flows through the raw material wires and the molten auxiliary material slag pool to form resistance heat and electric slag heat; under the effect of three component high-energy heat sources of electric arc heat, the resistance heat and the electric slag heat, the raw material wires are molten; a local molten pool is formed on the surface of the base material, and the raw material wires and the auxiliary materials are continuously conveyed; according to layered section data of a forming component, a computer is adopted to control relative movement of the electric smelting head and the base material; and the aim that the molten pools are rapidly cooled, solidified and stacked layer by layer on the base material is achieved, and finally the hydrogenation reactor barrel is formed.

The invention provides an electric smelting forming method of a CAP1400 main steam pipe penetration piece which is efficient, low in cost and excellent in mechanical properties. According to the method, an electric smelting head and a substrate are connected to the two poles of a power source; while forming, a metal raw material wire is conveyed to the surface of the substrate by a conveying mechanism and the electric smelting head; under the protection of the accumulation of granular accessories, the electric arc is generated between the raw material wire and the substrate to melt partial surfacing accessories to form a molten slag pool; the current flows through the raw material wire and the molten slag pool to form resistance heat and electro-slag heat; under the actions of the three composite high-energy heat sources, namely the electric arc heat, the resistance heat and the electro-slag heat, the raw material wire is melted to form a local molten pool on the surface of the substrate; the raw material wire and the accessories are fed continuously; the relative movement of the electric smelting head and the substrate is controlled by a computer according to the stratified slicing data of a formed part so as to realize quick cooling and layer-by-layer solidification accumulation of the molten pool on the substrate, and finally, the main steam pipe penetration piece is formed by virtue of layer-by-layer accumulation.

The invention provides an electric melting forming method of a nuclear power conventional island low-voltage rotor, which has high efficiency, low cost and excellent mechanical performance. The method comprises the following steps: an electric melting head and a substrate are connected to two poles of a power supply; a raw metal wire is sent to the surface of the substrate by a conveying mechanism and the electric melting head; under the stacking protection of particle accessories, an electric arc is generated between the raw metal wire and the substrate for melting the accessories to form a molten slag pool; the raw metal wire is molten under the effect of three thermal compounding high-energy heat sources of electric arc heat, resistance heat and electroslag heat to form a molten pool; the raw metal wire and the accessories are continuously conveyed; the relative movement of the electric melting head and the substrate is controlled; quick cooling and layer-by-layer solidification and accumulation of the molten pool on the substrate are realized; finally, the nuclear power conventional island low-voltage rotor is formed through layer-by-layer accumulation; the rotor adopts a 30 Cr2Ni4MoV material; the raw metal wire prepared through electric melting contains 0.20-0.28% of C; the material prepared through electric melting contains 0.10-0.18% of C; and the grain size is 7-10 grade.

The invention discloses a method and a system used for dynamic key network issue and interface control and based on a script, and relates to the field of financing institution network transaction safety. According to the method and the system used for the dynamic key network issue and the interface control and based on the script, multi-client-end concurrent access is supported, a multi-client-end interface layout is pre-configured, file names and layout files of the multi-client-end interface layout are stored in a server, according to a Python script, a dynamic control secret key issue process is configured, an interface display layout is called, verbal content of the interface display is configured, a user interface is dynamically generated according to the process, the universal functions in the issue process are divided into small functional modules which can be recombined and replaced, the method and the system can be applied to various business application scenarios. Once a business application scenario and an industry application scenario are changed, the control script of a server end is just required to be modified, the issue process and the interface display of a client end can be changed, and a client-end interface is not required to be redeveloped. A product cycle is shortened, cost of manpower and time is saved, and maintenance is convenient to achieve.

The invention provides an electric melting molding method of a nuclear power conventional island low-pressure rotor, which includes the following procedures: using high energy heat sources which is composited by electric arc heat, resistance heat and electro slag heat to fuse raw metal wire materials transported continuously, solidifying and accumulating the base materials layer by layer to mold and to make rotor components; using computers to control relative move of the electric melting heads and the base materials, thus achieving that a molten pool cools quickly on the base materials and solidifies and accumulates layer by layer, and finally accumulating the molded rotor components layer by layer. The material of the rotor is 30Cr2Ni4MoV, the content of C in the raw metal wire materials used for preparing electric melting is 0.20-0.28 %, the content of C in the materials made by electric melting is 0.10-0.18 % and the grain size is 7-10 levels. The electric melting molding method of a nuclear power conventional island low-pressure rotor has the advantages of high efficiency, low costs and good mechanical properties.

The invention provides a quick-change die for forming a wire, which includes an upper die base (1), an upper die plate (2), a pressing plate (3), a backing support (4), a lower die plate (5), a stripping plate (6), a lower die base (7), a downward flanging cutter block (8) and an upward flanging cutter block (9), wherein the upper die plate (2) is embedded in the upper die base (1) and is fixed in the upper die base (1); the backing support (4) and the lower die plate (5) are embedded in the lower die base (7); the stripping plate (6) moves up and down along the lower die plate (5); the upward flanging cutter block (9) and the downward flanging cutter block (8) are both of quick change type. The quick-change die for forming the wire is high in production rate and low in cost, can realize universality easily, and is particularly suitable for mass production in batches.

The invention relates to a key intermediate product compound A for preparing trabectedin and a method for preparing the compound A by using a compound D. According to the method disclosed by the invention, three-step reaction can be continuously operated, and individual separation and purification are not needed, and therefore, an operation is simple and convenient. The invention also relates to amethod for preparing a compound E through reduction of the compound A and application of the intermediate product. The method has the advantages of controllability, simpleness and convenience in operation and stable yield. The formula (1) is shown in the description.

The invention discloses a CAP 1400 main steam pipe penetration assembly electric smelting forming method. Through a heating source of high energy which comprises arc heat, resistance heat and electro slag heat, metal wires transported continuously are smelted, the smelted product is solidified and accumulated layer by layer on a base material to be made into shaped metal components; according to layered section data of the shaped components and through relative movement between an electric smelting head controlled by a computer and the base material, a molten pool is fast cooled, and solidified and accumulated layer by layer on the base material, and the CAP 1400 main steam pipe penetration assembly are formed finally. The CAP 1400 main steam pipe penetration assembly has the advantages of high efficiency, low cost, good mechanical property and the like.

The invention relates to a sweet-scented osmanthus screen weaving branch healing method. The method includes the following steps that firstly, a sweet-scented osmanthus variety is selected; secondly, sweet-scented osmanthus seedlings are cultivated; thirdly, sweet-scented osmanthus is planted; fourthly, the period from April to November every year is selected for weaving; fifthly, weaving is conducted, wherein rhombic gaps formed by weaving branches are uniform in size; sixthly, the branches are healed, wherein the contact portion of every two branches is peeled by the depth 1/5 of the diameter of a tree stem, hormone is sprayed on the wound portion, after hormone is completely absorbed, the wound portion is bound and fixed with cloth strips, and hormone is sprayed once every other month; seventhly, maintenance is conducted after weaving. According to the sweet-scented osmanthus screen weaving branch healing method, the screen weaving branches are healed, so that the sweet-scented osmanthus styling product cycle is shortened, the application forms of the sweet-scented osmanthus seedlings are widened, and the method plays a practical role in development of sweet-scented osmanthus.

The invention discloses a cylindrical cavity charging pressing, vacuum pumping and screwing sealing integrated device. The cylindrical cavity charging pressing, vacuum pumping and screwing sealing integrated device consists of a control system, a vacuum pump, a vacuum pumping part and a pressing and screwing part; by the vacuum pumping part, the inside of a cylindrical cavity has vacuum degree in a charging process and in the end; and the pressing and screwing part is used for pressing materials placed in the cylindrical cavity, after charging is finished, a blanking cover at the tail end is screwed and sealed, and therefore, a charging process is finished. A PMAC+ industrial personal computer is used in the control system, the vacuum pumping part and the pressing and screwing part are controlled, and independent operations of different mechanisms are realized as needed. The vacuum pump is positioned outside the device, and two air channels are led out from the vacuum pump, and are respectively connected to an end effector through a first electromagnetic valve and connected to a vacuum sealing cover through a second electromagnetic valve. After the first electromagnetic valve is switched on, the tail end of the end effector generates negative pressure to adsorb materials to be charged. A screwing pin stretches and retracts through a telescopic cylinder, and is matched with a lead screw to fulfill a screwing function.

The invention discloses a memory mirror image card debugging method and system, and the method comprises the steps: enabling a processor of a to-be-tested memory mirror image card to send a basic debugging instruction to carry out the basic function debugging of the to-be-tested memory mirror image card after a memory bank is inserted into the to-be-tested memory mirror image card; after the basicdebugging result meets the prediction basic debugging requirement and the golden finger interface of the memory mirror image card to be tested is inserted into the memory mirror image card of the analog computer end; a processor of the memory mirror image card of the simulation computer end sends a read-write basic debugging instruction to call a self-preset read-write debugging program to carryout read-write basic debugging on the memory mirror image card to be tested; and after the read-write debugging result meets the read-write debugging requirement and the to-be-tested memory mirror image card is inserted into the host, the host generates a transceiving debugging instruction to perform data transceiving debugging on the to-be-tested memory mirror image card until the transceiving debugging result meets a preset transceiving debugging condition. The test process can be set according to requirements, the limitation is small, and the test reliability is higher after the host is inserted subsequently.