70results about How to "Applicable to actual production" patented technology

The invention discloses a numerical control machine tool processing stage energy conservation operation method, an evaluation method, a device and a system. Energy conservation of the numerical control machine tool in the processing stage is realized through stopping and starting an energy consumption part of the numerical control machine tool in an empty cutting state. The method comprises the following steps: operation information of the numerical control machine tool and parts is acquired based on NC code analysis, wherein the operation information of the numerical control machine tool and the parts is operation states of the numerical control machine tool and the parts and corresponding time periods, the operation state of the numerical control machine tool mainly refers to the operation state in the processing stage, and the time period corresponding to the empty cutting state is an energy conservation time period in need of energy conservation, the operation state of the parts of the numerical control machine tool mainly comprises the operation state of an energy consumption part controlled by a PLC; and as for each energy conservation time period, whether the sum of the stopping time and the starting time of the energy consumption part in each energy conservation time period is smaller than the energy conservation time period is judged, and if yes, the energy consumption part is controlled to be temporarily stopped in the corresponding energy conservation time period.

The invention discloses a method for improving the position accuracy of a mold core of an integrated type ceramic mold, and belongs to the field of rapid costing based on stereo-lithography technologies. The method comprises the steps that (1) three-dimensional software is utilized to design a resin mold, and a resin mold prototype with a positioning hole is manufactured by utilizing a stereo-lithography method; (2) a ceramic fiber or a ceramic bar penetrates into the positioning hole according needs; (3) ceramic slurry is poured into the resin mold prototype of turbine blades through a gel casting method to obtain a mold blank; (4) vacuum freeze drying and sintering are carried out on the mold blank to obtain the integrated type ceramic mold of the turbine blades. The position accuracy of the mold core of the integrated type ceramic mold can be effectively improved through the vertically through or non-through mold core, and the method is reasonable in design, is easy and convenient to operate, greatly improves the manufacturing integrity and accuracy of the mold and is suitable for practical production.

The invention provides a machine tool energy-saving running method for switching machine tool states within a random machining interval. Firstly, a machine tool energy-saving running strategy is made according to the randomness of the machine tool machining interval; then, based on an established machine tool machining interval energy-consuming model, power of the running states and other basic parameters, running parameters in the made energy-saving running strategy are optimized; finally, according to the energy-saving strategy and the optimized running parameters, a machine tool energy-saving running scheme, namely the running state track of a machine tool within the machining interval, is acquired, and support is provided for saving energy of the machine tool within the machining interval. The method solves the problem how to make a machine tool energy-saving running method within the random machine tool machining interval caused when a workpiece reaches randomly and the problem of improving the energy utilizing rate within the random machining interval of the machine tool.

The invention discloses a new method for extracting rutin from pagodatree flower bud. The method comprises the following steps: smashing the pagodatree flower bud, killing enzyme by adopting a supercritical CO2 method, carrying out ultrasonic-assisted extraction by using 60-70% ethyl alcohol under a certain condition to obtain an extracting solution, standing and crystallizing the extracting solution, carrying out suction filtration to obtain rutin crude products, refining the rutin crude products by using n-butanol, drying at the temperature of 130 DEG C to obtain rutin products with the purity being above 97% and the yield being above 22%. The method disclosed by the invention is simple and convenient to operate and high in extracting efficiency and is suitable for production practice.

The invention discloses a formation and capacity-grading method for a lithium battery. The method comprises the processes of precharging, normal temperature ageing, formation, high temperature ageing,K value testing, capacity grading and sorting, wherein open-circuit voltage (OCV) detection is carried out in the processes of precharging, formation, K value testing, capacity grading and sorting. The formation and capacity-grading method is convenient to operate; the qualified rate of delivered products can be greatly improved; and the formation and capacity-grading method is suitable for practical production.

The invention discloses a novel method for extracting rutin from Japanese pagoda tree flowers. The method for extracting the rutin from the Japanese pagoda tree flowers comprises the following steps of processing dried Japanese pagoda tree flowers under 70 DEG C through a drying steaming method and airing and smashing the Japanese pagoda tree flowers; adding surface active agent with the reasonable ratio such as Tween 20 and OP-15, performing ultrasonic-assisted extraction through ethyl alcohol with the alcohol concentration to be from 60 to 70 % under a certain condition, standing extraction solution to be crystallized and obtaining rutin crude products through suction filtration; refining the rutin crude products through n-butyl alcohol, standing the rutin crude products to be crystallized and drying under 130 DEG C to obtain rutin products with the purity to be more than 98 %, wherein the yield is larger than 22 %. The method for extracting the rutin from the Japanese pagoda tree flowers is simple in operation, high in extraction efficiency and applicable to product and reality.

The invention discloses an evaluation method for true count capability-of-process meeting Poisson distribution. The method comprises the specific steps of 1, collecting samples; 2, calculating a cumulative probability of the Poisson distribution; 3, calculating capability-of-process; 4, judging whether the true count capability-of-process meets the requirement or not; 5, continuing to perform production; and 6, checking reasons for process capability deficiency. The method has the advantages that a result is correct; the method is more suitable for actual production; a corresponding relationship between the obtained capability-of-process CPU and a corresponding process yield is completely same as a corresponding relationship between metric value capability-of-process and the corresponding process yield; the values of the process yields can be directly represented only by comparing the values of the capability-of-process of different processes; and the metric value and true count capability-of-process is subjected to unified quantification.

The invention discloses a food cutter and a manufacturing method thereof and belongs o the field of cutter machining. The food cutter comprises a cutter body and a cutter blade. The cutter body and the cutter blade form a food cutter body. The cutter body comprises a mounting portion located at one end of the cutter body. The profile of the cutter blade is in an arc shape and is a single-face arc-shaped blade. The arc-shaped blade comprises a toothed blade end and a non-toothed blade end. The toothed blade end and the non-toothed blade end are connected to form a cutter blade body. The side, not connected with the non-toothed blade end, of the toothed blade end is connected with the mounting portion. The food cutter can be used for cutting food smoothly and uniformly, food does not stick to the cutter, abrasion of the cutter blade edge is small, the service life is long, the manufacturing method of the food cutter is easy and convenient to implement and combined with practical production, and manufacturing is easy.

The invention relates to a casing pipe combination type rebar connecting device and method. The connecting device comprises a casing pipe, locking screw sleeves and screw sleeves. Threads are arranged inside a first cavity part of the casing pipe and outside second cavity parts of the locking screw sleeves, and the threads of the first cavity part are matched with the threads of the second cavity parts; and threads are arranged inside the screw sleeves and matched with rebar heads. According to the connecting method, one end of the casing pipe is connected with one locking screw sleeve; the casing pipe is connected with one rebar head, and the other screw sleeve is used for being connected with the other rebar head; and the other locking screw sleeve is used for being connected with the other end of the casing pipe, and then a rebar is obtained after connection. According to the casing pipe combination type rebar connecting device and method, two to-be-connected rebars can be connected without rotating the rebars.

The invention provides a method for preparing 3-methyl-2-butenol (prenyl alcohol) through isomerization of 3-methyl-3-butenol. The catalyst reaction system comprises: 1) carbonyl iron compound; 2) organic base; 3) epoxy ligand. Adding a solvent with an ether structure in the isomerization reaction can improve the catalyst activity and product selectivity. In the catalytic process and separation, carbon monoxide (CO) and nitrogen (N 2 ), wherein the volume content of CO is 100ppm‑100000ppm. The catalyst and the raw material 3-methyl-3-butenol are separated from the product isopentenol by rectification without additional separation of the catalyst. The catalyst maintains high activity and long-life operation.

The invention discloses a dual-table die-changing trolley and a die-changing method thereof. The dual-table die-changing trolley comprises a die loading table for replacing a die to be punched, a dieconveying table which is connected to the die loading table and used for placing the die to be punched, a die pushing device which is arranged on the die loading table and used for pushing the die tobe punched from the die loading table to the die conveying table, and a die conveying device which is connected to the die conveying table and used for conveying the die to be punched from the die conveying table to a punching machine. The dual-table die-changing trolley and the die-changing method thereof are simple and convenient for die-changing operation; the loading and die conveying devicesare simple to modify and have good process adaptability; the requirements for working objects and matching conditions are low, and die loading of different process cycles can be adapted; and the production line has a high degree of generality, different production lines without adjustment or slight adjustment can be adapted, and practical production is suitable.

The invention discloses a fluorite-magnesium grain cored wire, application of the fluorite-magnesium grain cored wire and a production process for high heat input welding steel. The cored wire comprises an outer layer and a clad core. Low-carbon steel serves as the outer layer, and the thickness ranges from 0.5 mm to 1.0mm; sustained-release passivated magnesium grains serve as the clad core, and the clad core comprises a sustained-release agent and passivated magnesium grain bodies; and fluorite serves as the sustained-release agent, the sustained-release agent accounts for 5%-90% of the clad core, and the passivated magnesium grain bodies account for 10%-95% of the clad core. The application refers to application of the cored wire in manufacturing of the high heat input welding steel. According to the production process, the sustained-release passivated magnesium grain cored wire with the fluorite serving as the sustained-release agent is fed into molten steel, the absorption rate of Mg is stable, the effect and the utilization rate of Mg are high, slag inclusions are dispersed and abundant, and the slag inclusions containing Mg reach over 80%. By the adoption of the fluorite-magnesium grain cored wire, application and the production process, control is easy, production cost is low, and industrialized mass production of the high heat input welding steel can be achieved.

The invention discloses a bolt joint part looseness detecting method and system based on a nonlinear shock excitation feature. The method comprises the following steps: carrying out simulated modal analysis on a three-dimensional model of a test piece, and determining the arrangement positions of a vibration exciter and a sensor of a local part of a bolt joint part; arranging the vibration exciterand the sensor according to the determined arrangement positions of the vibration exciter and the sensor, and determining a vibration excitement parameter of the vibrator exciter according to the simulated modal analysis result of the three-dimensional model; maintaining the vibration excitement parameter unchanged, carrying out preliminary experiment on the same kind of test pieces to obtain a corresponding relation between a bolt pretightening force and a high harmonic scaling factor, and generating a relation data base; and carrying out test on a test piece to be tested to obtain a high harmonic scaling factor, querying the relation data base, determining the bolt pretightening force of the test piece to be tested, and judging whether the bolt joint part of the test piece to be testedis loosen or not according to the bolt pretightening force of the test piece to be tested. The method has the advantages of wide applicability, flexibility and convenience in use, high sensitivity andthe like, implements nondestructive detection, and is suitable for actual production.

The invention discloses a preparation method for preparing starch from corn, and relates to the technical field of corn deep processing. The specific operation method comprises seven steps of impurityremoval and soaking, crushing and degerming, fine grinding and screening, gluten separation, nine-stage cyclone washing, dehydration and drying, and screening and packaging. According to the invention, the technological process is complete, and in the preparation process of corn starch, corn fibers and corn protein are well reserved and prepared into a feed to be reused, so that the yield of terminal products is greatly increased, the economic value of total products is increased, and resource waste is also avoided; and the technological process is compact, and through long-time actual operation, the screened technological conditions are low in energy consumption and high in yield, so that the method is suitable for actual production.