35results about How to "Expand the scope of manufacturing" patented technology

The invention provides a biscuit producing and shaping mold convenient to carry and store. The mold comprises a mold body, telescopic placing frames and a fixing buckle; a storage box body is arrangedon a device body; a mold placing groove is formed in the side wall of one side of the storage box body, and a mold body is embedded in the inner side of the mold placing groove; an item storage drawer is arranged on the right side of the mold placing groove; plate placing grooves are formed in the bottom sides of the item storage drawer and the mold placing groove, and a biscuit plate is embeddedin the inner side of the plate placing groove; four limiting grooves are formed in the side which is in contact with the ground of the biscuit plate; the telescopic placing frames are symmetrically arranged on the left and right sides of the storage box body; the fixing buckle is arranged at the position, corresponding to a placing seat, of the top side of the storage box body. According to the mold, the limiting grooves which fit with the top side of the placing seat are formed, and placing stability of the biscuit plate is convenient to improve by means of the structural design to prevent biscuits from falling due to sliding of the biscuit plate.

An embossing technology featuring that after the paper is fed once, the embossings can be conducted at more working positions includes such steps as delivering paper, embossing at multiple positions by multiple embossing unit, and receiving paper. An automatic cutting-thermopminting machine is composed of a paper delivering unit, an embossing unit with move than two mechanics for performing the thermoprinting, stamping, and cutting, and a paper receiving unit.

The invention discloses a method for preparing a Sn-containing non-oriented electrical steel, including a continuous casting process, a heating process, a rolling process and a cooling process. In the continuous casting process, the molten steel overheating is controlled in a liquidus line +15-30 DEG C. A crystallizer adopts a sine vibration curve with a vibration frequency of 260-300time / s and an amplitude of 6-7mm. A casting speed of the continuous casting is 3.0-4.5m / min. The cooling water distribution form after two cooling curve crystallizers is a sine curve. The cooling water volume is 5000L-7000L / min. Protective slag of the crystallizer is superlow carbon protective slag. The heating system adopts a tunnel kiln and heats at 1150+ / -20DEG C. The continuous rolling process comprises: a beginning rolling temperature of 1070+ / -30 DEG C, a final rolling temperature of 800-900 DEG C, and a reeling temperature of 650-750 DEG C. A depressing system includes that: a relative depressing rate of former two racks is 40-65%, the relative depressing rate of the third to the fifth racks is 30-45%, the relative depressing rate of the sixth rack is 15-35%, and the relative depressing rate of the seventh rack is less than or equal to 20%. The cooling process adopts cooling between the racks and secondary descaling of F1-F2 and the F2-F3, and laminar flow cooling for the back segment cooling.

The invention discloses a method for preparing a clay model foundation for restoring prototype state and strength. Including determining the total thickness and layering of the prototype foundation and the model foundation; obtaining the undrained shear strength of each layer of the prototype foundation; calculating and obtaining the state parameters of the middle part of each layer of the prototype foundation and the average effective value of each layer of the model foundation Consolidation compressive stress; determine the indoor compression consolidation line of the prototype foundation soil and the slope of the unloading springback line, and obtain the initial void ratio of each layer of the model foundation soil through inversion; and prepare the model foundation layers. On the premise of restoring the state and strength of the prototype foundation, the present invention improves the economy and ease of operation of model foundation preparation, expands the range of model foundation preparation, overcomes the problem of sensor misalignment that may occur in the centrifugal model preparation process, and improves the model performance. The economy of preparation and the flexibility of sensor arrangement ensure the accuracy of centrifugal model tests.

The invention provides a biscuit producing and shaping mold convenient to carry and store. The mold comprises a mold body, telescopic placing frames and a fixing buckle; a storage box body is arrangedon a device body; a mold placing groove is formed in the side wall of one side of the storage box body, and a mold body is embedded in the inner side of the mold placing groove; an item storage drawer is arranged on the right side of the mold placing groove; plate placing grooves are formed in the bottom sides of the item storage drawer and the mold placing groove, and a biscuit plate is embeddedin the inner side of the plate placing groove; four limiting grooves are formed in the side which is in contact with the ground of the biscuit plate; the telescopic placing frames are symmetrically arranged on the left and right sides of the storage box body; the fixing buckle is arranged at the position, corresponding to a placing seat, of the top side of the storage box body. According to the mold, the limiting grooves which fit with the top side of the placing seat are formed, and placing stability of the biscuit plate is convenient to improve by means of the structural design to prevent biscuits from falling due to sliding of the biscuit plate.

The invention discloses a method for preparing a self-supporting multilayer micro nano structure. The method comprises the following steps of: selecting and cleaning a flat substrate; growing a multilayer film structure on the flat substrate to form a multilayer film substrate; preparing a self-supporting mother body nano structure on the multilayer film substrate to form a self-supporting mother body nano structure system with the multilayer film substrate; performing ionic beam dry-method etching on the self-supporting mother body nano structure system with the multilayer film substrate to obtain the self-supporting multilayer micro nano structure; and performing annealing treatment on the self-supporting multilayer micro nano structure to obtain a self-supporting multilayer micro nano structure finished product. According to the preparation method, based on a re-deposition phenomenon of the multilayer film substrate material in the dry-method etching process, the self-supporting nano structure on the multilayer film substrate is wrapped with a layer of substrate material, so that the self-supporting multilayer micro nano structure which is not positioned in the plane of the multilayer film substrate; and the method has the characteristics that the process is simple and is easy to implement; the cost is low; the flexibility is high; the construability is high; large-area processing is realized; and structure materials used for preparation are readily available.

The invention provides a spinning nozzle structure for a wet molding process of prepreg and a using method thereof. The spinning nozzle structure comprises a support module, an impregnation module, a yarn pre-spreading module and a yarn spreading module. The support module comprises a side plate and a base plate. The impregnation module, the yarn pre-spreading module and the yarn spreading module are sequentially arranged on the side plate in the horizontal direction of the side plate. According to the spinning nozzle structure, due to the design of yarn spreading rollers and pre-spreading rollers, the widths of yarn sheets can be controlled, yarn spreading of the widths of different yarn sheets is achieved under the condition of cross sectional shapes of the different yarn spreading rollers and yarn pre-spreading rollers, and the carbon fiber reinforced resin matrix composite prepreg of different thicknesses is prepared so as to meet the requirement for the thicknesses of the prepreg in the composite product design process. The spinning nozzle structure can be applied to yarn spreading phenomena of different fiber types and fiber bundle sizes, the spinning nozzle structure can adjust the widths of the yarn sheets by adjusting the cross sectional shapes of the yarn spreading rollers so as to achieve the purpose of preparing the carbon fiber prepreg of different thicknesses.

The invention discloses a method for measuring spatial rotating surface by taking the coordinate of a ball center of a steel pin as a target point. The method comprises the following steps: building a coordinate system according to a spatial rotating surface; determining the measuring range of the spatial rotating surface, and selecting a plurality of polar radii Rs in the range; aiming at each polar radius R, building a plurality of exiguous triangles by adopting an identical graduation method, calculating the normal vector of the plane determined by the exiguous triangles; generating data files conforming to reading format of professional software; and analyzing the numeric area of the height d of the regular triangle through master ball experiment. By adopting the method in the invention, the spatial rotating surface can be measured and the method has high measuring precision.

The invention relates to a production method of electrical steel plates, comprising the following steps: (1) molten steel smelting in a converter; (2) RH refining; (3) continuous casting and rolling of thin slabs; (4) normalized pickling; (5) stand-alone (6) continuous annealing. Further, the following steps are also included: (7) coating; (8) finishing. The cold-rolled non-oriented steel strip produced by the method has excellent magnetic properties and low production cost, and can meet the needs of downstream motor users. And for the first time in China, a thin slab continuous casting and rolling production process for producing non-oriented electrical steel sheets without phase change chemical composition is fully utilized to produce non-oriented electrical steel sheets with lower iron loss and high magnetic permeability by thin slab continuous casting and rolling The advantages of steel provide technical support for the production of high-grade strip products in the thin slab continuous casting and rolling line, and further expand the manufacturing range of thin slab continuous casting and rolling process products.

The invention provides an oxide film preparation method. The oxide film preparation method comprises the following steps: step 1, mixing oxide powder and graphite powder, putting the mixture in a reaction boat, and putting the reaction boat in a quartz reaction tube; step 2, putting a cleaned and blow-dried substrate on a substrate support and putting the substrate support in the quartz reaction tube; step3, respectively feeding inert gas into the quartz reaction tube and the reaction kettle boat; step 4. heating the quartz reaction tube; step 5, adjusting the operating temperatures of the reaction boat and the substrate, and adjusting the operating pressure in the quartz reaction tube, feeding oxygen-containing gas into the quartz reaction tube, setting growth time, and depositing an oxide film on the substrate, thus completing oxide film preparation. The oxide film preparation method expands the preparation range of the oxide films and can be used for preparing metallic oxide films and non-metallic oxide films, particularly for certain oxide films difficult to prepare by using other methods at present.