30results about How to "Control coating thickness" patented technology

The invention relates to a damp-proof processing method of an electronic circuit board. The damp-proof processing method of the electronic circuit board comprises the following steps that pre-covering processing is conducted on the electronic circuit board; an automatic spray gun conducts automatic and reciprocating spraying and coating on the electronic circuit board along the horizontal direction and the perpendicular direction; a face is turned automatically according to damp-proof requirements; and the sprayed and coated electronic circuit board is automatically heated and dried. According to the damp-proof processing method of the electronic circuit board, the electronic circuit board is ideal in damp-proof effect and reliable in quality guarantee and work efficiency, and therefore good performance of the electronic circuit board is guaranteed.

The invention provides an automatically adjusted cataplasm automatic production line, which comprises an automatic skew adjustment device and a spunlaced fabric unwinding device, wherein the automatic skew adjustment device comprises a base and an adjusting vehicle which is arranged on the base; the adjusting vehicle is connected to the base in a sliding mode by virtue of a guide rail which is fixedly arranged at the upper end of the base; an adjusting cylinder is arranged on the base, and a piston rod of the adjusting cylinder is hinged with the vehicle body; an opposite-side sensor is additionally fixedly connected to the lower part of the base; the spunlaced fabric unwinding device is detachably connected to a bearing base which is fixedly arranged on the vehicle body by virtue of a bearing; and a lower spunlaced fabric rolling shaft is connected to the part, close to the opposite-side sensor, of the lower side of the vehicle body in a rotatable mode by virtue of a mounted bearing. The automatically adjusted cataplasm automatic production line disclosed by the invention is simple to operate and conducive to production and maintenance. The coating width and thickness of a cataplasm body can be controlled, so that uniform coating is guaranteed; and meanwhile, the sticking amount of the cataplasm body on a cutter head can be reduced when a finished product is cut in a longitudinal direction. In addition, the position of a spunlaced fabric can be also automatically adjusted, so that product quality is guaranteed.

The invention relates to the field of patch production equipment, in particular to an automatic production line for producing patches. The production line is sequentially provided with an ointment coating device, a detection device, an air-drying and cooling device, a cloth expanding device and a cloth coiling device, wherein the detection device comprises an X-ray thickness detector; the X-ray thickness detector comprises a transmitting end and a receiving end; the ointment coating device comprises a coating base plate, a scraper device, a lifting mechanism and a PC control device; and the PC control device is electrically connected to the X-ray thickness detector and the lifting mechanism respectively. The automatic production line can detect ointment thickness in a patch by virtue of X ray and can adjust the height of the scraper device according to the thickness value so as to adjust and control a scraping clearance; the automatic production line can control the coating thickness of ointment more simply, rapidly and accurately, so that the traditional Chinese medicinal ointment layer in the produced patch not only can achieve a standard national thickness value but also can avoid excessive thickness; therefore, the quality of the patch is guaranteed, and meanwhile production cost is saved.

The invention relates to a method of applying a coating to a substrate wherein the coating surface of a sprayed liquid medium onto a substrate by a spray nozzle may be effectively controlled, the formation of the thickness of the coating formed by the liquid medium may be effectively controlled, and the quality control of the coating may be maintained with high production efficiency. The method invention has an operational sequence as follows. A distance sensor 6a to 6c is firstly installed as means of measuring the distance between a media layer surface LS formed on a substrate 1S, 1P and a spray nozzle 4. A test substrate 1S is placed on a table 2 and test coated by liquid media sprayed from the spray nozzle during a forward traverse of a nozzle holder 5 relative to the table. A measuring operation is executed by the distance sensor during a rearward traverse of the nozzle holder relative to the table. A nozzle positioner 3a to 3c is actuated based on the results of the measuring operation executed by the distance sensor as means of setting the spray nozzle position which forms a desired coating. The liquid media L is applied to a substrate 1P.

The invention discloses a preparation method of a carbon material surface boride solid solution modified silicon-based coating, and belongs to a preparation method of a carbon material surface anti-oxidation coating. The preparation method comprises the following steps: preparing content-controllable boride solid solution NB2 modified silicon-based composite ceramic slurry, wherein N is equal to ZrxTa1-x, HfxTa1-x or ZrxHf1-x, and x is equal to 0-1; applying a preset layer of the NB2 slurry, by brushing, dip coating or spraying, to the surface of a carbon material matrix with a SiC internal coating; performing heat treatment and sintering to synthesizing the coating. According to the preparation method disclosed by the invention, the solid solubility of the solid solution phase in the coating is controlled by taking boride solid solution powder as a raw material; the component content of the coating can be controlled by controlling and designing the slurry-powder ratio of composite ceramic; control on the coating thickness can be realized through control on the times of the brushing, dip coating or spraying. Through late heat treatment on the preset layer, the density of the coating and the bonding strength of the internal coating interface can be enhanced. The preparation method disclosed by the invention has the advantages of simple preparation technology, dense and uniform coating and relatively low production cost, and is suitable for carbon material components different in shape and size.

The invention discloses a coating thickness control method and device and a storage medium, and relates to the technical field of intelligent control, the method comprises the steps that target clustering information of target parameters is acquired, and the target clustering information comprises first clustering information of film thickness data and second clustering information of process operation parameters; periodically collecting real-time process operation parameters in the coating process; and controlling the coating thickness according to a Bayesian algorithm, the target clustering information and the periodically acquired real-time process operation parameters. The problem that the coating quality obtained through an existing coating control method is insufficient is solved, and the effects that the real-time process operation parameters can be periodically collected, then the coating thickness is controlled in real time, and the coating quality is improved are achieved.

The invention discloses a novel photovoltaic welding strip production process and relates to the field of solar photovoltaic power generation systems. A calendering process and a tin coating process are adopted for separate treatment, wherein the oxygen-free copper line calendering process comprises the steps of calendering, quenching, nitrogen treatment, deionized water washing and copper strip winding; and the oxygen-free copper strip tin coating process comprises the following steps of copper strip unwinding, cleaning through a cleaning system, welding aid through a welding aid system, preheating and air-drying, tin coating, coating thickness adjustment, material receiving, and cutting and packaging. The novel photovoltaic welding strip production process has the advantages that the quenching process requirement can be satisfied, the physical properties of copper strips are changed, the copper strips can reach an ultra-soft state and the production efficiency is greatly improved; and by adopting a separate treatment method, the coating thickness in the copper strip tin coating process can be better controlled, the product quality is better controlled during production and the process flexibility is increased.

The invention relates to a method for detecting the thermal insulation performance of a building reflective thermal insulation coating (flat coating). The method is mainly characterized in that an ultraviolet-visible-near infrared spectrophotometer is used for measuring the near-infrared reflectance of the reflective thermal insulation coating on a black and white cardboard; the principle is thatthe coating has a transmission phenomenon in the near-infrared, which results in a difference in the near-infrared reflectance of the coating on a whiteboard and blackboard of the cardboard. In this way, the hiding power of the coating can be obtained by using a hiding power calculation formula. The insulation temperature difference of the coating is measured by using the same coating, and it is confirmed that the thermal insulation temperature difference and near-infrared hiding power of the coating are linearly proportional. Guidance can be provided for the actual use of the reflective thermal insulation coatings on the wall. It is avoided that high-reflectance coating obtained during laboratory testing does not achieve the desired thermal insulation effect in practical application.

The invention provides a graphite pot which comprises a pot body made from graphite. The pot body is provided with an inner wall and an outer wall, and a covalent carbide film is attached to at least the inner wall. Due to the fact that the covalent carbide film is attached to the surface of the pot body, the hardness of the covalent carbide film is far higher than that of an existing PTFE resin film, after the graphite pot is used tens of thousands of times, the wear out phenomenon can occur on the film, the abrasion performance of the graphite pot is ensured, and the service life of the graphite pot is prolonged; the covalent carbide film has the good air permeable performance, and it is ensured that the advantages of being good in thermal conductivity, rapid in thermal transmission and uniform in heating of the graphite pot body are well embodied.

The invention discloses a novel cataplasm coating forming device. The novel cataplasm coating forming device mainly comprises a device main body, a constant-temperature discharging hopper, a constant-temperature speed control wheel, a discharging control opening, a cloth releasing device, a double-compression-roller feeding device, a longitudinal cutting device, a transverse cutting device, a control panel and a conveying device; the cloth releasing device, the constant-temperature discharging hopper, the double-compression-roller feeding device and the longitudinal cutting device are sequentially arranged on the upper top surface of the device main body from left to right, the transverse cutting device is fixed at the upper end of the right side surface of the device main body through a lower supporting plate, and a water bath interlayer is arranged on the periphery of the outer side of the constant-temperature discharging hopper; and the constant-temperature speed control wheel is arranged below the inner part of the constant-temperature discharging hopper, and the discharging control opening is formed in the bottom end of the constant-temperature discharging hopper. According tothe novel cataplasm coating forming device, structure is simple, and design is reasonable; the parameters of the paste content, the coating width, and the coating thickness are realized; and more uniform and smooth of the coating are guaranteed.

The invention relates to the technical field of optical adhesives, in particular to an OCA optical adhesive and a preparation method thereof. The OCA optical adhesive comprises a light release film, an OCA optical adhesive layer and a heavy release film sequentially fitted from top to bottom, the OCA optical adhesive layer comprises a surface layer, a middle layer and an inside layer sequentiallyfitted from top to bottom, the upper surface of the surface layer is fitted to the lower surface of the light release layer, and the lower surface of the inside layer is fitted to the upper surface ofthe heavy release layer. The OCA optical adhesive has excellent tensile strength, curing contraction rate, resistance to cold-heat impact and scraping resistance and is excellent in light transmission and high in stability; the preparation method is simple, convenient to operate and control, stable in quality, high in production efficiency, low in production cost and suitable for large-scale industrial production.

The invention relates to the technical field of gluing devices, in particular to a gluing head capable of preventing glue from overflowing and gluing equipment of the gluing head. The gluing head comprises a glue head body, the glue head body is provided with a glue outlet hole and two side flanges, a rear flange protrudes out of the position, located on the rear side of the glue outlet hole, of the glue head body, the two ends of the rear flange are connected with the two side flanges correspondingly to form glue discharging grooves, and glue outlets are located in the glue discharging grooves. The side flanges and the rear flange are arranged near the glue outlets to form the glue discharging grooves, on one hand, glue flowing out of the glue outlets can be discharged in advance, the pressure after the glue flows out is reduced, the side flanges prevent the glue from overflowing towards the two sides so as to prevent edges generated during coating, on the other hand, in the coating process, the glue stored in the glue discharging grooves can also be applied in advance, the rear flange achieves a glue scraping function, the coating thickness of the glue is controlled, the coating uniformity of the glue is maintained, and therefore gluing can be carried out in a groove, and accuracy of the gluing thickness and width is ensured.

The invention discloses an emulsified asphalt paint coating device which comprises a box body base and a material box body, the material box body is fixedly installed on one side of the box body base, the cross section of the material box body is of a conical structure, and a base plane scraper plate used for scraping emulsified asphalt paint is movably installed on the lower portion of one side of the material box body. A thickness determining roller for controlling the thickness of the emulsified asphalt coating is movably mounted at the lower position in the material box body, a heating rod is fixedly mounted in the thickness determining roller, two groups of electric heating plates are fixedly mounted on the inner wall of the material box body and are symmetrically arranged, and a dust collection nozzle is arranged at the bottom of a box body base; according to the emulsified asphalt coating coating device, the base surface scraping plate and the thickness determining roller are arranged, so that the emulsified asphalt coating coating device is provided with multiple adjusting structures, corresponding adjustment can be conducted according to the coating thickness and the scraping thickness, traditional manual operation is replaced, and the construction efficiency and the construction quality of emulsified asphalt coating are improved.

The invention discloses a bridge expansion joint dustproof seepage-proof adhesive which comprises a modified asphalt cement, a base cloth, a high-temperature-resistant polyethylene (PE) film and a high-temperature-resistant PET silicone oil film, the modified asphalt cement is dip-dyed on the base cloth, the high-temperature-resistant polyethylene film is located on the lower surface of the base cloth, and the high-temperature-resistant silicone oil film is located on the upper surface of the base cloth. The modified asphalt cementing material is prepared from the following raw materials in parts by weight: 50 to 60 parts of matrix asphalt, 4 to 10 parts of SBS (Styrene Butadiene Styrene), 15 to 25 parts of rubber powder, 2 to 5 parts of petroleum resin, 13 to 18 parts of extract oil and 0.05 to 0.15 part of stabilizer, the rubber powder is 20-40-mesh desulfurized rubber powder, the stabilizer is a sulfur-containing stabilizer, the extract oil is furfural extract oil, and the petroleum resin is C9 petroleum resin.

The invention discloses a hydraulic roller coating device with the accurate coating thickness. The device comprises a machine frame, a front coating roller, a back coating roller, a front dipping roller and a back dipping roller are symmetrically arranged on the machine frame, thickness measuring sensors are arranged on the two sides of the symmetrical face, the front coating roller, the back coating roller, the front dipping roller and the back dipping roller realize sliding supporting through corresponding sliding seats, corresponding pressure sensors are arranged between the sliding seats and hydraulic cylinders, the peripheries of the front coating roller and the back coating roller are each provided with corresponding uniformizing plates at intervals, the uniformizing ends of the uniformizing plates are hinged to a support through the corresponding hydraulic cylinders, the hydraulic cylinders communicate with corresponding hydraulic positioning loops, and each hydraulic positioning loop comprises an electromagnetic reversing valve, a check valve, a remote pressure regulating valve and a pilot overflow valve. The hydraulic roller coating device not only can automatically adjustthe roller gap and coating thickness, effectively ensure accuracy of the coating thickness, but also can achieve remote adjustment control, and is high in automation degree and coating thickness accuracy.

The invention provides a graphite pot which comprises a pot body made from graphite. The pot body is provided with an inner wall and an outer wall, and a hard carbon film is attached to at least the surface of the inner wall. Due to the fact that the hard carbon film is attached to the inner wall of the pot body, the hardness of the hard carbon film is higher than that of an existing PTFE resin film, the abrasion performance of the graphite pot is ensured, the hard carbon film has the good air permeable performance, and it is ensured that the advantages of being good in thermal conductivity, rapid in thermal transmission and uniform in heating of the graphite pot body are well embodied; in the use process, the far infrared property and the adsorption property of the graphite pot body are well embodied, and the graphite pot is very environmentally friendly and healthy.

The invention discloses a manufacturing method of a PET bottom plate and mother plate combined film. The combined film comprises a large rubber roller assembly, a guide roller, a PET bottom plate and a mother plate, the PET bottom plate is respectively connected with the large rubber roller assembly and the guide roller, the large rubber roller assembly drives the PET bottom plate to reciprocate, the combined film further comprises a splicing fixing piece, a pre-coating roller assembly, a liquid tank assembly and an ultraviolet curing lamp, the splicing fixing piece is matched with the PET bottom plate and the mother plate, the pre-coating roller assembly is matched with the liquid tank assembly and makes contact with the PET bottom plate, and the mother plate is matched with the PET bottom plate and the ultraviolet curing lamp. According to the PET bottom plate and mother plate combined film manufactured through the method, the problem that a traditional mother plate is spliced through an adhesive tape, so that huge waste is caused in the cutting procedure is solved, a protective film does not need to be used, and the cost is low; meanwhile, the problem that the laser splicing cost is high is solved; and the PET bottom plate and mother plate combined film manufactured by the method is uniform in coating of the coating agent, so that the problems of bulges, recesses and the like cannot occur when the PET bottom plate and the mother plate are bonded, and the preparation efficiency of the combined film is improved.