55results about How to "No reduction in production efficiency" patented technology

A low-alloy high-strength steel plate with high yield strength (460 MPa) contains C (0.13-0.20 wt.%), Si (0.2-0.5), Mn (1.3-1.7), Nb (0.01-0.02) Ti (0.005-0.01), Al (0.005-0.015) and Fe (rest). Its preparing process features that two-stage rolling at 1200-1250 deg.C and quick cooling. Its advantages are multi-phase structure including polygonal and acicular ferrite, pearlite and bainite, high yield strength and low cost.

The invention discloses a processing method for deodorized soybean milk. The processing method includes the steps of (1), soaking, (2), grinding, (3), centrifugation for dregs removal, (4), boiling, (5), vacuum degassing, (6), high-pressure homogenization and (7), sterilizing and packing. The processing method for the deodorized soybean milk has the advantages that process steps are simple, operability is high, beany flavor of soybean milk can be eliminated thoroughly without production efficiency reduction, production cost increase and soybean protein modification enhancement, product flavor and taste can be improved, acceptability of customers is greatly improved, and accordingly, the processing method has high promotion and application value.

The invention discloses a head covering cloth adhesive for a white upper and a preparation method and application of the head covering cloth adhesive. The head covering cloth adhesive is prepared from natural rubber, a vulcanization agent, an accelerant M, an accelerant DS, an accelerant DM, a vulcanizing activator, rosin, composite resin DS-B, titanium dioxide, ultramarine and 120# gasoline. The reasonable adhesive formula and preparation method are screened out, the adhesive has good adhesion strength and is used for bonding head covering cloth and the upper, the product quality is guaranteed, meanwhile, the problems that a sewing process is not attractive in appearance, friction is large in the wearing process, and consequently toes are injured can be solved, and the appearance quality and wear comfort degree of the product are improved. The production efficiency is not reduced, and the industrialization degree is good. The head covering cloth adhesive is simple and easy to apply, low in cost and good in use effect.

The invention discloses a workpiece spraying and processing device as well as a processing method thereof. The device comprises a spraying device arranged at a spraying area, a drying chamber for drying workpieces and conveying devices arranged at the spraying area and the drying chamber, wherein the conveying devices comprise a first conveying device and a second conveying device which are respectively arranged at the spraying area and the drying chamber; a piece transferring device which is used for transferring workpieces is arranged between the spraying area and the drying chamber. According to the workpiece spraying and processing device provided by the invention, because the conveying devices at the spraying area and the drying chamber are arranged independently and separately, and the workpiece transferring device for transferring pieces is arranged between the spraying area and the drying chamber, each part of the conveying devices can be prevented from being polluted, and the transferring not only cannot increase labor cost, but also cannot lower the production efficiency, and additionally, the product quality is not affected, thereby saving energy, reducing consumption, improving the product quality, and improving the production efficiency and economical benefit of enterprises.

The invention discloses a precision forming method for a straight/helical tooth cylinder gear with corners easy to fill and a die. During a closed die forging upsetting stage, a cylindrical blank is manufactured into an intermediate process part with lower corners not tidy enough in an upsetting mode; a volume protruding relative to a tooth outline is reserved near each lower corner of the intermediate process part; during an ejection-out stage, a lower convex die moves upwards, due to the function of a lateral wall conical surface of a concave die, the lower corners, not tidy enough, of the intermediate process part are deformed again, the protruding volumes transfer towards the lower corners, and forming of the lower corners is completed. According to the structure of the concave die, the conical surface with the bottom surface outline larger than the gear tooth top outline is used for expanding a concave die cavity near each lower corner, a cylindrical die cavity of the corresponding portion becomes a big-end-down prism-frustum-shaped die cavity, and the tooth root and the parts far away from the lower corners still keep the cylinder die cavity. By means of the precision forming method for the straight/helical tooth cylinder gear with the corners easy to fill and the die, the problems that according to traditional cylindrical gear precision forming, the gear tooth corners are not full enough, forming force is large, the structure of the die is complex, the service conditions are bad, the service life of the die is short, and the requirements for motions of equipment are complex are solved.

The invention discloses a formaldehyde eliminating agent and preparing method thereof. Weight proportioning of raw material for the formaldehyde eliminating agent is: 100-300 quotient of formaldehyde, 150-700 quotient of urea, 50-500 quotient of water, 10-80 quotient of accelerant, 0.1-5 quotient of stabilizer, and 1-20 quotient of catalyst. The preparing method includes steps: adding each component into reaction kettle in turn, stirring the mixture at temperature of 20-50 DEG C until equally mixed and whole dissolved, adjusting pH between 7.5-9.0, and stirring until stable. Advantages of the formaldehyde eliminating agent are: preparing cost is low, formaldehyde eliminating effect is evident and permanent when the formaldehyde eliminating agent is used with urea-formaldehyde resin glue or melamine modified urea-formaldehyde resin glue for synthetic plate of incompetent formaldehyde releasing amount and E2 level synthetic plate, making formaldehyde releasing amount of incompetent and E2 level middle/high density fiber board reach to E2 and E1 level separately and observably reducing preparing cost of the middle/high density fiber board without reducing mechanics capability of the synthetic plate.

The invention discloses a method for manufacturing a film solar cell, which comprises the following steps: providing a deposition reaction chamber; putting a substrate on the surface of an electrode plate in the reaction chamber; introducing reaction gases comprising germanium tetrafluoride, silicane and hydrogen into the reaction chamber; and using radio-frequency glow discharge to excite the reaction gases into plasma to deposite a amorphous silicon-germanium film. The method for manufacturing the film solar cell can remarkably improve evenness of band gap and thickness of amorphous silicon-germanium films deposited on the large-area substrate in batch in a large-sized PECVD deposition device.

A lead powder machine is composed of powder collector, cyclone separator, hollow axle, the pipeline connected between cyclone separator and hollow axle and with a thickened segment, and drum. In said hollow axle there are three powder returning screws for returning the big particles back into drum to grind again.

The invention discloses a method for improving the blast furnace smelting efficiency of high-aluminum iron ore with high-reactivity coke, and belongs to the field of ironmaking of ferrous metallurgy. The method is characterized in that based on the fact that an ore-coke mixed charging technology is universally adopted in present ironmaking production, and aiming at the problems of low breathability, wide soft melting interval and difficulty in slag and iron separation in blast furnace smelting of the high-aluminum iron ore, the high-reactivity coke is adopted to replace the conventional metallurgical coke to be made into coke nut which is fed in a blast furnace, and owning to the high reactivity of the coke nut, the temperature of a heat reserve area can be lowered, the pre-reduction degree of ferrous furnace charge is increased, the FeO content of primary slag containing Al2O3 is reduced, the melting point of the slag containing Al2O3 is increased, the melting interval is narrowed, a soft melting belt moves down, and the breathability of a material layer is further improved on the base of ore-coke mixed charging, so that the purpose of improving the blast furnace smelting efficiency of the high-aluminum iron ore is achieved. The method provided by the invention is conducive to utilization of inferior iron ore and inferior coke resources, reduces the ironmaking production cost of a steel-iron enterprise, guarantees the production efficiency of ironmaking, and has high economic and social benefits.

The invention discloses a formaldehyde eliminating agent and a preparation method thereof. The formaldehyde eliminating agent consists of the following raw materials in part by weight: 100 to 300 parts of water borne epoxy resin (solid), 200 to 1,000 parts of melamine, 100 to 1,000 parts of water, and 0.1 to 10 parts of stabilizing agent. The preparation method for the formaldehyde eliminating agent comprises the following steps of: 1) sequentially adding the raw materials into a reaction kettle according to the raw material proportion of claim 1 or 2 with stirring, controlling the heating temperature at 40 to 60 DEG C, fully stirring the raw materials uniformly, and regulating the pH to be between 5.0 and 5.5 by using acid; and 2) heating the raw materials to the temperature of between 75 and 80 DEG C, reacting for 30 minutes, regulating the pH value to be between 6.0 and 8.0 by using alkali, cooling the reaction product to the temperature of 30 DEG C, and discharging.

An R-T-B based permanent magnet (1) which comprises a magnet body (2) comprising a sintered product comprising a main phase comprising R2T14B crystal grains (wherein R represents one or more of rare earth elements, and T represents one or more transition metals comprising Fe or Fe and Co) and a grain boundary phase containing R in an amount more than that in the main phase and, formed in the surface layer portion thereof, a hydrogen-rich layer (21) having a hydrogen concentration of 300 ppm or more and having a thickness of 300 mum or less (exclusive of zero), and a protective coating film (3) covering the surface of the magnet body (2). The R-T-B based permanent magnet (1) exhibits the corrosion resistance being improved by the protective coating film (3) without the deterioration of magnetic characteristics, and the protective coating film (3) may be formed by electrolytic plating. The R-T-B based permanent magnet (1) can secure the satisfactory corrosion resistance, which is the object of the formation of the protective coating film (3), with little reduction of the efficiency in the production, and also is reduced in the partial disintegration (falling of grains) in the surface thereof and thus exhibits high dimensional precision.

A plasma device which is provided with: a reaction container to which a metal starting material is supplied; a plasma torch which generates plasma between itself and the metal starting material within the reaction container, thereby evaporating the metal starting material and producing a metal vapor; a carrier gas supply unit which supplies, into the reaction container, a carrier gas for conveying the metal vapor; and a cooling tube which cools the metal vapor that is conveyed from the reaction container by the carrier gas, thereby producing a metal powder. The cooling tube is provided with: an indirect cooling section for indirectly cooling the metal vapor that is conveyed from the reaction container by the carrier gas and/or the metal powder; and a direct cooling section for directly cooling the metal vapor and/or the metal powder, said direct cooling section being continued to the indirect cooling section. At least a part of the inner wall of the indirect cooling section is provided with projections and/or recesses.

This wheel rim manufacturing method comprises a molding step for molding a cylindrical rim material into a rim shape, and a thickening step for increasing the plate thickness of at least one opening edge of the rim material before and/or after the molding step. In the thickening step, a thick part is formed by applying a compression load in an axial direction of the rim material onto the opening edge in a state in which the opening edge has been inserted into an annular groove of a metallic mold, the annular groove being wider than the plate thickness of the opening edge.

The invention improves falling strength of a Fe-Ni-Co alloy without addition of elements for high strengthening. In a Fe-Ni-Co alloy that contains 30 to 35 mass% of Ni, 2 to 8 mass% of Co, 0.50 mass% or less of Mn, and the balance of Fe and inevitable impurities or accompanying elements including 0.10 mass% or less of C, 0.10 mass% or less of Si, 0.05 mass% or less of Al, 0.005 mass% or less of S and 0.005 mass% or less of P and is constructed in a rolling work structure, the high strength Fe-Ni-Co alloy for shadow mask is peculiar to that a recrystallization structure consisting of a grain size number of 9.5 or more is revealed when the Fe-Ni-Co alloy is annealed at 750 deg.C for 15 minutes, and a recrystallization structure consisting of a grain size number of 8.5 or more is revealed when the Fe-Ni-Co alloy is annealed at 850 deg.C for 15 minutes.

The invention relates to the technical field of overload starting of a conveyor for a working face of an underground coal mine, in particular to a clutch type high-power efficient mechanical torque converter. Due to caving or top failure of the working face of the underground coal mine with poor conditions, the conveyor for the working face frequently has the problem of delay unloading or incapability of starting, coal can only be manually cleaned, and production efficiency is seriously affected. The clutch type high-power efficient mechanical torque converter comprises a permanent magnet coupling transmission system, a planetary transmission system and a hydraulic control friction clutch system, wherein the permanent magnet coupling transmission system is used for transmitting normal torque and disconnecting overload torque, and the hydraulic control friction clutch system is used for inputting the output torque of an amplification driving system of the planetary transmission system, limiting the maximum output torque of the driving system and slowing down load fluctuation. The clutch type high-power efficient mechanical torque converter solves the problem of delay unloading or incapability of starting of the conveyor for the working face in overload.

The invention discloses a mold temperature control device which comprises a mold, a cooling system and heating devices. A shell of the mold is provided with cooling pipelines. A cooling water outlet of the cooling system communicates with water inlets of the cooling pipelines through pipelines. Each heating device comprises a ceramic core bar, a coil and an insulating layer, wherein the coil is wound around the ceramic core bar, the coil is wrapped by the insulating layer, the heating device is inserted in a cavity of the mold. By the adoption of a variable-mold-temperature injection molding method, a dynamic mold temperature control strategy is adopted, in other words, the mold is rapidly heated before glue injection, high-mold-temperature injection is achieved, then the forming period is shortened through fast cooling, and therefore inherent defects of a traditional injection molding technology are overcome while the production efficiency is not reduced.

The invention discloses a real-time monitoring system, device and method for tool breakage in the machining process of a numerical control machine tool. The method comprises the following steps: carrying out differential processing on an accumulated pulse number collected by a collection grating ruler to obtain time domain data, carrying out Fourier transform on the time domain data, converting the time domain data into frequency domain data, extracting the amplitude of a feature frequency from the frequency domain data, comparing the amplitude with the reference threshold value to judge whether the cutter is short or not in order to monitor the cutter breaking condition of the cutter in real time with high sensitivity in the machining process. The current health state of the cutter can bemonitored in real time, the machining process does not need to be interrupted, and the production efficiency is not reduced. The judgment method is simple, reliable and high in judgment accuracy; andno additional sensor is needed, hardware cost is reduced, and integration with a machine tool is facilitated.

The invention discloses a urea resin and a preparation method thereof. The urea resin additive comprises the following raw materials in parts by weight: 100-300 parts of waterborne epoxy resin (solid), 100-1000 parts of urea, 50-1000 parts of water and 0.1-10 parts of stabilizing agent. The preparation method comprises the following steps: 1) adding the raw materials to a reaction kettle in sequence according to the proportion in claim 1 or 2, beginning stirring when the raw materials are added, raising the temperature and controlling the temperature at 40-60 DEG C, fully stirring the raw materials until the raw materials are uniform and regulating the pH value of the reaction liquid to be 5.0-5.5 with acid; and 2) raising the temperature to 70-72 DEG C and reacting for 30 minutes, regulating the pH value of the reaction liquid to be 6.0-8.0 with alkali, lowering the temperature to 30 DEG C and discharging the material.