116results about How to "Solve uneven thickness" patented technology

The invention provides a method for efficiently cutting a silicon slice by electroplated diamond wires. The method comprises the following steps of (1) gluing a rod; (2) performing feeding; (3) compounding cutting liquid; (4) performing cutting, wherein the cutting is realized in a manner that a silicon rod is driven by a cutting machine frame to move towards an electroplated diamond wire net and at the same time, the electroplated diamond wire net is driven by a main roll to be in reciprocating motion, the density of diamond grains on the electroplated diamond wires is 200-350 grains/mm, in the cutting process, the cutting tension of the electroplated diamond wires is 6-16N, the linear speed of the electroplated diamond wires is 1200-1800m/min, the cutting speed of a work piece is 0.8-3.5 mm/min, the temperature of cutting liquid is 18-23 DEG C, and in the cutting process, the electroplated diamond wires adopt a gradual progressive method or a manner of performing supplying in a reverse direction first and then performing supplying in a forward direction; (5) performing blanking; (6) performing ungluing, and performing washing; and (7) performing detecting and packaging. Through the cutting method disclosed by the invention, the smooth cutting of the crystalline silicon rod of 8.4inch and 650-700mm can be completed in two hours.

The invention discloses a preparation method of a coating with a thiol compound as a transition layer, and belongs to the technical field of plasmas. According to the method, a sulfydryl-containing thin layer is adopted as the transition layer between the coating and a substrate; before the coating is deposited, the thin layer of 1-10 nm is deposited on the surface of the substrate by using a sulfydryl-containing monomer, wherein the sulfydryl at one end of the monomer reacts with the surfaces of copper, gold, nickel, epoxy resin and the like, so that a chemical bond is formed, the excellent binding property is kept, and the other end of the monomer is polymerized, and has the excellent binding property with the coating on the upper layer. According to the method for depositing the transition layer, the binding force of the coating and the substrate is greatly improved; according to the method , the environmental protection property is high, the deposition temperature is low, the speedis higher, and the controllability of the coating structure and the composition is high, and the selectivity of the monomer is high; the deposition efficiency is high, and the compactness of the obtained organic silicon nano-protection coating is remarkably improved; and the binding force obtained by the coating on different substrates can be improved by 30-50%.

The invention discloses a method for preparing multifunctional nanometer protection coating through circulation small-power continuous discharge, and belongs to the technical field of multifunctional nanometer protection coating through circulation small-power continuous discharge. The method comprises the steps that a reaction cavity is vacuumized, inert gas is introduced into the reaction cavity, a base material moves in the reaction cavity, monomer steam is introduced into the reaction cavity, chemical vapor deposition is carried out and comprises a pretreatment stage and a film coating stage, the plasma discharge mode is large-power continuous discharge in the pretreatment stage, the plasma discharge mode is small-power continuous discharge in the film coating stage, the pretreatment stage and the film coating stage are cycle and repeated at least one time, more active sites more introduced to the surface of the base material in a circulation mode in the film coating technological process, effective film coating is added, the film structure is more compact, the nanometer coating with of the multi-layer composite structure is obtained, multiple layers of protection are provided for the product, the more compact coating structure is shown microscopically, and excellent hydrophobicity, adhesive force, acid and base resistance, mechanical performance and moisture and heat resistance are shown macroscopically.

The invention discloses a method for plating metal by multiple beams of continuous long carbon fibers simultaneously. At least 16 beams of continuous carbon fibers are connected in parallel, the spacing distance of the beams is 0.5-3 cm, and after being degummed and cleaned, all the continuous long carbon fibers are soaked in a plating bath for surface plating synchronously through two stages of electrolytic deposition, and are washed and dried after the second stage of surface plating; the continuous long carbon fibers enter and pass by a metal electric conduction roller at the front end of each stage of plating bath at the same time, the electric contact conditions of the continuous long carbon fibers are consistent, and the continuous long carbon fibers proceed at the same linear speed; at the same time the metal electric conduction roller is connected with a cathode of a power source to realize the connection of the continuous long carbon fibers and the cathode; and each beam of long carbon fiber is powered up by an independent power source, the current of the long carbon fiber is regulated and controlled independently, the problem of fiber winding caused by the nonuniform speed can be avoided, continuous plating is ensured, and the production efficiency of carbon fiber plating is improved.

The invention provides a preparation method for a high-insulation hard nanometer protection coating of a composite structure, belonging to the field of plasma technology. According to the method, a reaction cavity is vacuumized and inert gas is introduced to allow a substrate to move, so organosilicon monomers with low dipole moment and high chemical inertia are screened out; the free volume and compactness of a coating are regulated and controlled through multifunctionality monomers, so the coating is allowed to have insulating properties and excellent protection performance and wear resistance at the same time; and an organosilicon coating is deposited on the coating with high insulating properties, and surface hard treatment is carried out so as to form a hard coating with a compact structure. The high-insulation hard nanometer protection coating provided by the invention has more excellent protection performance, insulating properties and wear resistance compared with conventionalcoatings such as parylene under the condition of same thickness. The preparation method provided by the invention overcomes the problems of poor wear resistance, too great thickness, low production efficiency and the like of conventional parylene coatings; and through hard treatment, a composite wear-resistant silica structure is increased in the coating, and the hardness and wear resistance of the coating are effectively improved.

The invention relates to a high-flatness paint-free simulation ecological plate and a manufacturing method thereof. The ecological plate comprises a base plate layer (1), at least one of upper and lower sides of the base plate layer is provided with a layer of technical wood sheet (2), melamine impregnated paper (3) is pasted outside the technical wood sheet (2), and the technical wood sheet (2) and the base plate layer (1) are bonded by an adhesive. According to the high-flatness paint-free simulation ecological plate and the manufacturing method thereof, the problem of drying (partial brown) caused by uneven partial thicknesses of base plates and uneven moisture content in production of paint-free ecological plate products is solved, and the product percent of pass is improved to above 99.9% from around 90%.

The invention discloses a preparation method for an organic silicon nanometer hard protective coating, and belongs to the technical field of plasmas. In the method, a reaction chamber is vacuumized, an inert gas is charged to enable a base material to move, monomer steam is charged, chemical vapor deposition is carried out, and an organic silicon nanometer coating is prepared on the surface of the base material through the chemical vapor deposition; and the component of the monomer steam is the mixture of at least one organic silicon monomer containing double bonds and a Si-Cl structure or a Si-O-C structure or a Si-N-Si structure or a Si-O-Si structure or a cyclic structure, and at least one polyfunctional unsaturated hydrocarbon and hydrocarbon derivative, charging for the monomer steam is stopped, oxygen and/or vapor is charged, and hard treatment is carried out on the surface of the organic silicon nanometer coating. According to the preparation method disclosed by the invention, the traditional organic carbonate hydroxide compound monomer is replaced by the organic silicon monomer, each silicon atom at least provides 1-4 active sites, high activity is achieved, a part of oxygen is introduced into the monomer, organic silicon can be oxidized into nanometer silicon dioxide, and the hardness of the coating can be greatly increased due to a dispersion strengthening effect.

The invention provides a preparation method for a high-insulation nanometer protection coating with a modulation structure, belonging to the technical field of plasma. According to the method, a reaction cavity is vacuumized and inert gas is introduced to allow a substrate to move; a low dipole moment-organosilicon/fluorocarbon modulated multilayer compact structure is formed through a manner of alternative preparation of a low dipole moment organic coating and an organosilicon coating or an organic fluorocarbon coating, so the stress of the coating can be reduced while the toughness of the coating is improved; meanwhile, since the low dipole moment-organosilicon/fluorocarbon structure has a transverse interface, when a corrosion medium is used for corrosion of the coating, corrosion develops along a transverse direction when the corrosion medium encounters the transverse interface, so longitudinal corrosion penetrating the coating is hard to form and the corrosion medium is preventedfrom penetrating the coating and corroding protected materials and device; moreover, the modulated nanometer layered structure has superlattice effect, and dislocation accumulation formed among layers, so the coating is more unlikely to breakdown and has improved resistance to underwater energization.

The invention discloses a method for preparing a multifunctional nanometer protective coating through high-duty-cycle pulse discharge, and belongs to the technical field of plasmas. In the method, the interior of a reaction chamber is vacuumized until a vacuum degree is 10-200 millitorrs, inert gas He or Ar is charged, a movement mechanism is started to enable a base material to move in the reaction chamber, monomer steam is charged into the reaction chamber, plasma discharge is carried out, chemical vapor deposition is carried out, a deposition process comprises a pretreatment phase and a film-coating phase, a plasma discharge manner in the pretreatment phase is high-power continuous discharge, and a plasma discharge manner in the film-coating phase is the high-duty-cycle pulse discharge. During a preparation process for the coating, the movement characteristic of the base material and the high-duty-cycle pulse discharge energy of plasmas form combined linkage. The base material moves during the plasma discharge, so that the deposition efficiency of the coating is increased, and the thickness uniformity and compactness of the coating are improved. The prepared coating has the characteristics of being waterproof and moistureproof, mouldproof, resistant to acidic and basic solvents, resistant to acidic and basic salt mist, and the like.

The invention relates to a single-ridge wide-top double-row cultivation method of beans. The prior narrow-row dense-planting high-yield cultivation of soybean fails in shoveling, temperature rise and drought, water-logging resistance, etc. The ridge three-row cultivation method of soybean has narrow on-ridge spacing and is bad for soybean growth. The technical proposal is that the method comprises the steps of land selection, land preparation, deep soil loosening, deep fertilizer application, ridging and seeding, level land seeding, equipment preparation, weeding, fertilizer supplementation, pesticide spray and harvesting. The ridge spacing is 62-70 cm. Each ridge has two rows with a row spacing of 16-24 cm. The method is used for bean cultivation in agriculture.

The invention relates to a preparing method of an ultrathin amorphous alloy strip. Molten steel obliquely sprays the surface of a cooling body, and the spraying direction of the molten steel is opposite to the rotating direction of the cooling body. Meanwhile, the distance between the lower end face of a nozzle and the cooling body is reduced, and therefore the scraping pressing and correcting functions on molten steel laminar flow from the lower end face of the nozzle are improved, and the prepared amorphous alloy strip is thin and even. Meanwhile, the smoothness and density of the free surface of the amorphous alloy strip are improved. The acute angle formed between a nozzle runner and the surface of the cooling body is set in the range of 15-85 degrees, the transverse disturbance of the amorphous alloy strip to the laminar flow molten liquid is small in cooperation with the scraping pressing and correcting functions of the lower end face of the nozzle, and therefore the surface stress of the strip is reduced, and the transverse radian of the strip is reduced; and the quality and the finished product performance of the amorphous alloy strip are improved.

The invention discloses a semiconductor monocrystalline silicon multi-wire cutting clamping device. The device comprises a set of clamping plates. Each clamping plate is provided with an arc-shaped groove. The surface of each groove is provided with adhesives. A fixture is connected to any one clamping plate through the adhesives and located at the end, away from the groove, of the clamping plate. According to the semiconductor monocrystalline silicon multi-wire cutting clamping device, the shape of a monocrystalline silicon rod to be cut is changed by using the clamping plates; meanwhile, the difference between the impact state of mortar and the aggregation state of the mortar on side faces during cutting is changed, and the purpose that cutting states in all positions in the vertical direction are equivalent during cutting is achieved; and the thickness deviation of slices can be effectively reduced, the problem of uneven thicknesses of silicon slices is solved, and the device has good application value.

The invention discloses a traditional Chinese medicine slicer which comprises a supporting base. A support is arranged on the supporting base, a cutter box is installed on the support, a feed hopper is installed on the upper portion of the cutter box, a rotating shaft is installed in the feed hopper, a cutter base is installed on the rotating shaft, and a cutter is installed on the cutter base. The traditional Chinese medicine slicer further comprises a transmission mechanism installed on the supporting base and drives the rotating shaft, the cutter is provided with two sets of spiral rotary knife strips, and the knife strips are spirally and uniformly distributed on the rotating shaft in the axial direction at intervals. The spiral knife strips are distributed on the cutter base, so traditional Chinese medicinal materials can be subjected to force in two directions at the same time, adjustment of the thickness of sheets is completed when cutting is finished, medicinal material sheets of uniform thicknesses are formed, and the problem of uneven thickness is solved; meanwhile, knife edges of the spiral knife strips are continuous in shape, and the problem of leaked cutting caused by the insufficient thickness is solved.

The invention discloses an ultra-light high-strength high-sound-absorption fiber-reinforced thermoplastic foamed composite board and a preparation method thereof, wherein the ultra-light high-strengthhigh-sound-absorption fiber-reinforced thermoplastic foamed composite board is prepared by using a binder uniformly containing a forming agent and a fiber reinforcement body through a non-woven and continuous board-making composite process. According to the invention, plastic synthetic fibers uniformly containing a microsphere foaming agent are prepared by blending the microsphere foaming agent and thermoplastic resin powder as raw materials through a melt spinning procedure; the advantages of a non-woven process can be fully utilized to stably, continuously and efficiently produce the ultra-light high-strength GMT composite board; and the microsphere foaming agent does not fall off in a felt making link, so that the high-quality composite felt containing the microsphere foaming agent canbe prepared safely in batches without increasing additional investment such as newly increased equipment, personnel training and the like, and the manufacturing cost of the section is remarkably reduced.

The invention relates to the field of curtain coating equipment, in particular to a paint curtain coating tool bit. The paint curtain coating tool bit comprises a paint storage chamber, a paint knife arranged on the lower portion of the paint storage chamber, and a flow adjusting assembly arranged inside the paint storage chamber, wherein a paint pass gap is formed between the flow adjusting assembly and the bottom of the paint storage chamber, the size of the paint pass gap can be adjusted through the flow adjusting assembly, the bottom of the paint storage chamber comprises a beam and a base plate, the base plate is arranged on the top of the beam, and a plurality of base plate fine adjustment assemblies are arranged on the beam in the length direction. Because the flow adjusting assembly through which the size of the paint pass gap can be adjusted is arranged inside the paint storage chamber, the thickness of a paint curtain can be conveniently adjusted through the flow adjusting assembly; because the base plate fine adjustment assemblies are arranged on the beam in the length direction, fine adjustment can be carried out on the base plate through the base plate fine adjustment assemblies, it is achieved that fine adjustment can be carried out on the partial position of the paint pass gap so that fine adjustment can be carried out on the thickness of the paint curtain, the accuracy of control is greatly improved, and the problem that the thickness of a paint curtain is not uniform is effectively solved.

The invention discloses a film cooling molding apparatus for the film blower, which comprises an intake plate, an inner cooling water diversion barrel, an outer cooling water ring, a water-scraping barrel, a water-collecting barrel and a water absorption container. The intake plate is arranged on the upper of the inner water diversion cooling barrel; the intake plate is connected with an inlet pipe; the upper end of the outer cooling water ring is open and is covered out of the inner water diversion cooling barrel; a water inlet hole is arranged at upper part of the inner water diversion cooling barrel; a water inlet pipe is arranged at the water inlet hole; the water-scraping barrel and the water-collecting barrel are arranged in sequence under the inner water diversion cooling barrel and the water-scraping barrel; the water-collecting barrel and the inner water diversion cooling barrel are communicated with each other; a pumping pipe is connected with the water-collecting barrel; the water absorption container is arranged under the water-collecting barrel; the water absorption container is provided with a water absorption sponge and the water absorption container is connected with a suction pipe. With simple structure and low production cost, the invention has the advantages that the inside and outside water is contacted with the film base directly; the fast and even cooling is achieved; the problems of poor cooling and non-uniform thickness of the film base in prior art are solved.

The invention relates to strip making equipment for an amorphous strip, in particular to a pressure spray bag for use in pressured making of the amorphous strip and an amorphous strip making method. The pressure spray bag comprises a spray bag shell and a conveying mechanism for conveying molten steel into the spray bag, wherein a prism-shaped liquid guide cavity which is larger on the upper portion and smaller on the lower portion is formed in the bottom in the spray bag shell; the liquid guide cavity is communicated with a jet cavity below; the bottom of the jet cavity is connected with a nozzle. Molten steel enters the pressure spray bag from a liquid guide hopper through a flow guide pipe, nitrogen is added into the pressure spray bag through an air inlet nozzle, and the molten steel flows towards the nozzle under the actions of own dead weight and the pressure of nitrogen, meets a hollow structure and a copper roller into which cooling water is introduced continuously after flowing out of the nozzle, is condensed into solid momentarily, and is molded into the amorphous strip. By adopting the pressure spray bag and the amorphous strip making method, the flowing degree of molten steel is increased, molten steel flowing into the spray bag can be sprayed completely at one time, high density, uniform thickness and a small quantity of rough edges are realized, and the quality of the amorphous strip is improved.