87results about How to "Improve coating accuracy" patented technology

The invention provides a roller machine suitable for coating chemical coating, which is characterized in that the roller machine comprises two sets of coating mechanism arranged top to top, a support roller mechanism, a turning roller component, a frame, a synchronous mechanism, a shower, a back-coated lifting device and a transmission mechanism. Back coating frames of a coating roller device, a reclaiming roller device and a regulating roller device fitted with specially made polyurethane material are driven by an oil cylinder and synchronous lifting at both sides is assured by the synchronous mechanism in the coating mechanism; clearance among the coating roller device, the reclaiming roller device and the regulating roller device is regulated by the regulating mechanism to regulate coating thickness. The shower line is in a lacquer tray of a front coating mechanism and a flat mouth shower with a valve is arranged on the shower line; flow rate of the paint is controlled and coating thickness is adjusted by regulating the valve. Jet tube mode is adopted in the lacquer tray of a bottom roller in the back coating mechanism; paint is agitated to prevent from deposition. The roller machine has the advantages that double-roller coating structure is adopted and one is used and the other is standby, maintenance and exchanging color are carried out online, time is saved and productivity is improved.

The invention discloses a coating die head for single or multiple lithium battery pole pieces. The coating die head comprises an upper die head and a lower die head. A feed inlet is formed in the upper die head or the lower die head, and a trough for accommodating coating slurry is formed in the lower die head, the feed inlet communicates to the trough, and the front sides of the upper die head and the lower die head are matched to form a die nozzle. The upper die head and the lower die head define a die cavity for accommodating the coating slurry, and the front side of the die cavity is isolated by the upper die head and the lower die head to form a silt of the die nozzle; the trough stretches along the length direction of the lower die head, a plurality of adjusting slide blocks are distributed vertical to the coating direction between the upper die head and the lower die head, the adjusting slide blocks slide along the surface of the lower die head, and the adjusting slide blocks are matched on the side of the die nozzle to form a discharge port with variable width for coating slurry. The dimension of the die cavity is adjusted by controlling the slide blocks, so that the coating width of the coating die is adjusted online. The die cavity is not opened in the adjusting process, so that the production efficiency is improved and consistent production of products is facilitated.

A method and apparatus for simultaneously coating and measuring a part. The apparatus includes a part support, a sprayer and a part measurer positioned adjacent to the part support and a display device positioned adjacent to the part support. The sprayer applies a coating to a section of the part while the part measurer continuously measures a dimension of the section of the part being coated. In one embodiment, an initial amount of coating and a final amount of coating are applied to the section of the part based on the dimension measurements and desired dimension of the part. In another embodiment, the amount of coating applied to the part is based on the desired coating thickness. As a result, the apparatus and method of the present invention significantly reduces the margin of error related to the application of coatings to parts.

The invention provides a full-automatic coating machine. The full-automatic coating machine comprises an uncoiling device, a coating device mounted behind the uncoiling device, an oven mounted behindthe coating device, a traction device mounted behind the oven, and a coiling device mounted behind the traction device. The uncoiling device in the coating machine is reasonable in structure arrangement; a frame is totally adjusted in a moving mode to achieve high adaptability; and through arrangement of multiple adjustable guide rollers and tensioning rollers, the coiling/uncoiling effect is excellent. The coating device in the coating machine is reasonable in structural design, not easy to generate precipitations in a trough, high in loading uniformity and easy to control a gap between a coating roller and a transfer glue roller. The traction device of the coating machine is provided with a feed adjusting mechanism to achieve excellent rectifying and tension adjusting effects; and through cooperation between a first tensioning adjustment mechanism and a second tensioning adjustment mechanism, the precise tension adjustment of a coating basal body in the traction conveying process canbe realized.

This invention relates to one optical film thickness online measurement reflection method, which uses computer for online test on film layer real time reflection rate test and uses real time reflection rate value to correct the monitor voltage signal theory change curve; when the coating film curve processed peak value point and trough point to compute real time reflection rate to stop to correct stop point voltage value and theory curve to display the reflection rate onto screen.

The invention discloses a preparation method of a curved web surface titanium alloy superplastic forming-diffusion bonding blank. The blank is a titanium alloy plate containing n layers, and n is larger than or equal to 2. The preparation method comprises the following steps that S1, a process model of a formed part is designed; S2, a forming device for preparing a blank is prepared according to the process model for designing the formed part; and S3, an overall blank is prepared through the forming device for preparing the blank, and the upper surface and the lower surface of the overall blank are evenly coated with welding stopping agents. According to the method, the shapes of the web faces of parts are formed through a pre-forming hot-pressing die, the bonding faces between blanks are coated with the welding stopping agents, a welding stopping agent coating area does not participate in material flowing before follow-up superplastic forming/diffusion bonding forming, the welding stopping agent coating precision is improved, a lineation sample plate is only used for lineation and does not directly participate in welding stopping agent coating, the abrasion of the sample plate is small, in addition, operation is convenient, the requirement for high-quality forming of parts is met, and the method is suitable for wide application and popularization.

The invention relates to a process for coating a strip with a fully-closed outer edge and is mainly applied to the technical field of physical vapor deposition (PVD) coating. The process comprises the following steps: performing computerized numerical control (CNC) machining on the coated film, wherein the profile tolerance is controlled to be 0.1, Cpk is controlled to be more than 1.33 through the SPC control means, and the no-return gauge inspection accords with +0.1/-0.15; coating and cleaning the coated film; putting the coated film into a coating tool, and blocking a non-coated part on the coated film, so that the coated part on the coated film is exposed outside; putting the coating tool in a coating cavity of the magnetron sputtering coating machine, wherein the coating surface is arranged on one side at which a target is positioned; setting the coating process parameters according to the standard; and coating to obtain the coating film with the strip of which the outer edge is fully closed. According to the process, the strip with the fully closed outer edge can be coated, the coating accuracy is high, the film forming position is accurate, the edge is clean and is not shaded, and the cost is low.

The invention discloses an encapsulation method of a dye-sensitized solar cell, which comprises the following steps: making through holes on a piece of FTO conductive glass to be used as a platinum electrode substrate, wherein the through hole is perpendicular to the surface of the conductive glass; utilizing the screen printing technology to print titanium dioxide on the FTO conductive glass, on which a photo anode is manufactured; sintering well-printed titanium dioxide films; after the sintering, adopting the screen printing technology to print a UV curing glue in a clearance position between the thin films; the platinum electrode substrate is covered and then conducting UV curing so as to encapsulating each block of titanium dioxide; injecting electrolyte in the through holes on the FTO glass serving as the platinum electrode substrate; and utilizing the UV glue to encapsulate all through holes. The encapsulation method has the advantages of having relatively high coating precision and simple process, greatly shortens the encapsulation time and improves the production efficiency.

The invention discloses electrostatic spraying equipment, which comprises a line speed detection system (1), an independent atomizing nozzle adjusting system (2), a plate and strip width detection system (3), an automatic flame detection and automatic fire distinguishing system (4), an unbalanced air pressure compensation and control system (5) and a serration plate electrode (6). The electrostatic spraying equipment solves an independent precision line speed detection problem, an independent atomizing nozzle adjusting problem, an independent precision width detection problem, an automatic detection and automatic fire distinguishing problem, an unbalanced air pressure compensation and control problem, and a coating material overflow problem caused by a planar electrode.

The invention provides a display device and electronic equipment, the display device comprises a cover plate, a liquid crystal box, a backlight module, a first shading body and a second shading body,the end part of the cover plate is provided with a through hole, and the through hole is used for light required by a photosensitive device to pass through; the liquid crystal box is arranged on the cover plate and located at the outer side of the through hole, and the liquid crystal box comprises a first side face; the backlight module is arranged at the side, away from the cover plate, of the liquid crystal box, the backlight module comprises a second side face, and the first side face and the second side face are close to the through hole; the first shading body is arranged on the first side face and used for preventing light emitted by the liquid crystal box from entering the through hole. The second shading body is arranged in the second side face and used for preventing light emittedby the backlight module from entering the through hole. The light transmission effect of a photosensitive hole is improved.

The invention provides a device for detecting the two-dimensional morphology of a wafer substrate, and belongs to the technical field of semiconductor material nondestructive testing. The device for detecting the two-dimensional morphology of a wafer substrate comprises N first beam splitters in one-to-one correspondence with N laser beams and N second beam splitters in one-to-one correspondence with N laser beams. The N first beam splitters and the N second beam splitters are provided with coating areas, the coating areas make the beam splitters different in reflectance and transmittance, so that N beams of light incident on a sample and then returned can be divided into two directions through the first beam splitters and the second beam splitters and detected separately. The reflectance and transmittance properties of each coating area are determined by the propagation direction of corresponding first-type reflected light beams. By coating different areas of the beam splitters with films of different properties, the requirement of the device for detecting the two-dimensional morphology of a wafer substrate for light path transmission is met. As the coating precision is extremely high, the consistency of light received by PSDs in different propagation directions is ensured.

The invention provides skin in-situ printing equipment, which is used for coating biological glue and a cross-linking agent on a preset part of a patient, and is characterized by comprising a platformdevice, a printing head device, a coating power device, a three-axis moving device and a control device, wherein the platform device is used for bearing and transporting a patient; the printing headdevice is used for coating biological glue and a cross-linking agent on a preset part and is provided with a support unit and a sprayer unit arranged on the support unit; the coating power device is used for extruding the biological glue and the cross-linking agent out of the sprayer unit during coating; the three-axis moving device is used for driving the printing head device to move to the preset part; the control device is used for controlling the above devices; the sprayer unit is provided with a first sprayer assembly comprising a first barrel and a first needle head, and a second sprayerassembly comprising a second barrel and a second needle head; the second barrel and the second needle head surround the first barrel and the first needle head respectively and are provided with a first gap and a second gap; the first gap is communicated with the second gap; and the lower end of the second needle head is lower than the lower end of the first needle head.

The invention discloses a coating production line for release films. The coating production line comprises an unrolling unit, a corona unit, a feeding traction unit, a coating unit, a heating system, a cooling traction unit and a rolling unit, wherein the unrolling unit, the corona unit, the feeding traction unit, the coating unit, the heating system, the cooling traction unit and the rolling unit are sequentially connected; the heating system is provided with a machine frame, and a plurality of drying ovens are installed on the machine frame and are provided with fans; the unrolling unit, the corona unit, the feeding traction unit, the coating unit, the cooling traction unit and the rolling unit are arranged below the machine frame, and the unrolling unit and the rolling unit are provided with dust removal devices. According to the coating production line, the film moving length is reduced, the film moving path is simpler, the distance from moving films to the ground is increased, and the surface cleanliness of base material is high; the machine frame is separated from the coating unit, the feeding traction unit and the cooling traction unit through wallboards, and vibration of the machine frame is prevented from causing adverse effect on the units. The coating production line has the advantages that the film moving length is small, the coating accuracy is high, the product quality is high and the practicality is high.

The invention relates to the technical field of coating, in particular to a coating device and a coating machine. The coating device comprises a rack, a coating roller component which is arranged on the rack, a rubber roller component which is arranged on the rack and located below the coating roller component, an adjusting component which is arranged on the rack and used for adjusting the liftingof the rubber roller component, a first driving component which is arranged on the rack and in driving connection with the coating roller component, and a second driving component which is arranged on the rack and used for driving the rubber roller component, wherein the transmission speed ratio of the coating roller component is faster than the transmission speed of the rubber roller component,and the transmission directions of the coating roller component and the rubber roller component are opposite; an upper roller structure and a lower roller structure are adopted to coat a product, thereverse speed ratio transmission is adopted, the coating process is stable and reliable, and the coating precision is high. Moreover, the adjusting component is used for adjusting the lower roller structure, and products with different thickness sizes can be adapted.