31results about How to "High coating efficiency" patented technology

The invention relates to a hollow fiber complex coating machine and the preparing method and product. Said coating machine comprises roller installed in water phase tank, front drying pipe, reacting pipe, back drying pipe, godet roller and pick-up roller all of which are sequentially connected with water tank; reacting pipe is installed horizontally and pipe jointed with organic phase replenishing device in the inlet, and pipe jointed with overflow device in the outlet; front drying pipe and back drying pipe are vertically installed; roller and pick-up roller are connected with PLC controller and two variable-frequency control generator connected to PLC controller respectively. The method can continuously produce hollow fiber complex film, which is characterized by even coating and stable quality.

The invention relates to a method for preparing tungsten carbide abrasion resistant composite coating by a penetration brazing method, belonging to the field of coating preparation in materials processing engineering. The invention comprises the following steps: (1) pasting coating metal powder cloth containing tungsten carbide-cobalt (WC-Co), nickle (Ni) and chromium (Cr) mixed powder on a metalsubstrate by using epoxy resin bonding agent; (2) preparing welding material metal powder cloth from BNi-2 brazing material and pasting the welding material metal powder cloth on the coating metal powder cloth obtained in the step (1); and (3) carrying out penetration brazing in a vacuum furnace to form a metallurgical bonded interface. The tungsten carbide abrasion resistant composite coating can be applicable to protection of mechanical elements in the field of generating plant, petroleum, aviation, food, plastics and the like.

The invention discloses a car door and window frame production process, and relates to the field of cars. A car door and window frame is manufactured through the steps of window frame strip extrusion, window frame strip combination, car door assembling, electrophoretic painting, stopping opening gluing, drying, stopping opening paint repairing, sealing strip installing and the like. According to the car door and window frame production process, a blank is pressed into a die cavity in a certain shape to form window frame strips in different models, then the window frame strips are combined to form car window frames in different shapes, the production process is simple, large production equipment is not needed, the application scope is wide, and the product quality is even.

The invention relates to a special metal flexible cloth for the preparation of a coating with high temperature and corrosion resisting and a preparation method thereof. The metal flexible cloth can be used for the protection of mechanical parts in fields, i.e. a power station, petroleum, aviation, food, plastic, and the like. The metal powder cloth is prepared by adding a forming agent and a bonding agent into the mixed power of metals, i.e. WC-Co, Ni, Cr, and the like, and the cloth patch can be bonded on a metal base body by an organic bonding agent to form a thicker protective layer with abrasion resistance, high temperature resistance and corrosion resistances by being metallurgically combined with the metal base body in a penetration brazing way. The coating has good heat conductivity, corrosion resistances and impact resistance, and wrapped parts can recover the original mechanical property of base materials through heat processing, thereby, the costing can be suitable for the recovery of pieces with heterogeneous surfaces and especially suitable for the recovery of a curved surface, a folded surface, a helical surface, and the like. The invention an solve the problems of the high temperature corrosion and the abrasion of parts with serious abrasion and heat resistance in mechanical equipment and power station equipment, decreases the times of stopping production for overhauling and enhances the economic benefits.

Disclosed is a paper printing method for fibrous and leather materials characterized by having: a step wherein printing paper is obtained by applying a mixed paste comprising a water-soluble synthetic binder, a natural adhesive, and an auxiliary agent to base paper, which is then dried to obtain paper for printing, onto which a dye ink is printed; a step wherein the printing paper is bonded to a fibrous or leather material and fixed using pressure / heat; and a step wherein the printing paper is removed after a dye fixing process is carried out while the printing paper is fixed to the fibrous or leather material. Further disclosed are the paper for printing and the printing paper used in the paper printing process, and the fibrous and leather materials characterized by being printed on in the paper printing process.

The invention discloses a production process and painting equipment of a composite heat-insulation board. The production process of the composite heat-insulation board comprises the following steps of: (a) cutting a heat-insulation layer, and coating an adhesive on the upper surface of the heat-insulation layer; (b) preparing protective layer slurry, injecting to a mold, carrying out pressure filtration and molding; (c) laminating the heat-insulation layer and the protective layer; (d) maintaining; and (e) coating paint on the upper surface of the laminated protective layer obtained in the step (d) of the heat-insulation board and drying. The painting equipment comprises a conveyer belt for conveying the heat-insulation board, wherein a coating roller wheel which is in driving connection with a driving device is arranged above the front end of the conveyer belt, a gap, matched with the thickness of the heat-insulation board is formed between the coating roller wheel and the conveyer belt, a charging device for supplementing the paint is arranged above the coating roller wheel, the coating roll wheel comprises a roller wheel shaft at the center and an elastic roller body, and a silk screen is coated on the external surface of the roller body. According the invention, the working procedure is simple, the production efficiency is high, and the painting equipment has good coating effect and high coating efficiency.

The invention relates to an automatic swinging glue sprayer used during rubber metal piece producing process. A heat exchanger is fixed on a frame; the inlet end of the heat exchanger is connected with a draught fan, while the outlet end of the heat exchanger is connected with a hot air heating tube; a mount seat of a swinging roller used for holding a workpiece is hinged on the frame through a pin roll; a rotating shaft is rotationally connected in the mount pad seat; one end of the rotating shaft is fixedly connected with the swinging roller, while the other end of the rotating shaft is connected with an output shaft of a speed reducer of a drive motor; the outlet end of the hot air heating tube extends into the swinging roller; the swinging roller is provided with an automatic sprayingpistol; a discharging port of the swinging roller is hinged with an airtight cover; the discharging port of the swinging roller is fixed with a gland strip matched with the airtight cover; and the swinging roller or the airtight cover of the swinging roller is provided with an aspiration pipeline of an adsorption filtration device. When the automatic swinging glue sprayer operates, bonding adhesive has high coating efficiency and good coating effect, and can effectively prevent toxic gas in the bonding adhesive from leaking.

The invention discloses a method for preparing a tungsten carbide anti-corrosion and wear-resistant composite coating, that is, first spraying a slurry containing tungsten carbide particles, an anticoagulant, a nickel-based solder and a water-based epoxy adhesive on a metal substrate, and naturally Dry to obtain a metal substrate sprayed with coating materials, and then in a vacuum brazing furnace, control the temperature rise rate to 20°C / min, rise from room temperature to 350°C for 20 minutes, and then continue to rise at a rate of 20°C / min Sinter at 1050-1200°C for 30 minutes, then control the cooling rate to 20°C / min for cooling, and cool down to 500°C with nitrogen until room temperature, that is, a layer of tungsten carbide with a thickness of 0.5-3mm is formed on the surface of the metal substrate Anti-corrosion and wear-resistant composite coating. The coating has a compact structure, high bonding strength with the metal substrate, has the ability to resist impact, wear and corrosion, and has a service life of up to 36‑42 months.

The invention discloses a static even-color painting method comprising the following steps of: setting a painting chamber control unit for controlling air speed in a painting chamber; setting a static automatic painting unit for controlling the working state of a static automatic painting gun to ensure that the static automatic painting gun achieves a set painting effect; setting an automatic hanger unit to ensure that workpiece hangers to be painted are reasonably arranged at intervals and the velocity of conveying chains for suspending the hangers are reasonable; and painting workpieces to be painted, hung on the hangers in the painting chamber by using the static automatic painting gun so that paints are attached to the workpieces well by a static effect. The static even-color paintingmethod has the advantages that (1) a paint film has the characteristic of evenness, good leveling property and obviously improved orange-peel phenomenon; (2) the distinctness of image (DOI) and glossiness of the paint film are improved, and a PGD (a unit of the DOI) value can be improved by 0.1-0.3; (3) by adopting static automatic painting, the emission of a volatile organic solvent is effectively reduced to relieve environmental pollution of painting; and (4) the painting efficiency is improved and paint is saved.

The invention discloses a life-prolonging, energy-saving and shape-stable PbO 2 The arc thermal spraying preparation method of the anode intermediate layer is to prepare a conductive and corrosion-resistant zirconium nitride-based intermediate layer by using arc thermal spraying on the surface of the titanium substrate that has been pretreated by degreasing and acid etching, and then coat the zirconium nitride-based Anodic electrodeposition of β-PbO on the interlayer 2 Active layer for long life, low energy consumption Ti / ZrN-based interlayer / β‑PbO 2 Structural Coating Anodes. The invention takes full advantage of the excellent electrical conductivity of the sprayed zirconium nitride-based intermediate layer, acid, alkali, and salt corrosion resistance, not only has good bonding strength with the titanium substrate, and the rough sprayed surface can firmly load β-PbO 2 The active layer can effectively prevent the migration of corrosive media and active oxygen to the anode substrate, and play a role in barrier protection, which significantly prolongs the service life of the anode. In addition, the good conductivity of the middle layer makes the cell voltage of the electrochemical process significantly Reduced energy consumption.

The invention discloses a plastic container, a long flow member and a coating apparatus, being able to avoid the harmful condition that the flow path of the viscous liquid is closed when the plastic container body is shriveled, and to eliminate the condition that the viscous construction member adhered to the pipe when the pipe is repeatedly used so as to pollute the surrounding. The plastic container comprises a plastic container body which is provided with an opening and is filled with the viscous liquid and has flexibility so as to help the viscous liquid ejected from the opening when the container is shriveled by compression, a long flow member which extends to the inside of the plastic container body and arranged at the opening, wherein the ejection flow path at least beginning with the side surface formed when the viscous liquid is ejected is taken as the ejection flow path of the viscous liquid; and when the plastic container body is shriveled by compression, the shriveled plastic container and the long flow member can be deprecated together.

A stabilized fluorine-containing polymer powder having an average particle size of 5 to 100 μm is prepared by contacting a fluorine-containing polymer powder, which is prepared by milling the fluorine-containing polymer and removing fine particles, fibrous particles and coarse particles by classification, with a fluorinating agent so that the total number of unstable terminal groups is decreased to 7 to 50 per 106 carbon atoms. This is a fluorine-containing polymer powder achieved a high coating efficiency in an electrostatic coating method and provides a film having good properties such as heat resistance, non-tackiness, low frictional property, chemical resistance, etc.

A powder coating device, wherein a low-voltage pulse signal (S2) generated in a pulse signal generation circuit (7) is boosted to a high voltage in a high voltage application circuit (8) to be applied to a corona electrode (5). This enable corona discharging to be generated intermittently toward an object from the corona electrode (5), powder paint jetted forward from the nozzle opening of a gun body to be charged by negative ions produced by corona discharging, and then charged powder paint to be sent toward the object for coating on the surface of the object.