46results about How to "High precision printing" patented technology

A printer includes a heating roller unit that heats recording paper at a position downstream of a recording head, which is provided at an upstream position, in the direction of the transportation of the recording paper. The recording head ejects ink to the recording paper that is transported from an upstream side to a downstream side. The heating roller unit is disposed along the direction of the width of the recording paper, which intersects with the transportation direction thereof. The heating roller unit is divided into a plurality of areas in the width direction. Heat applied by first areas of the plurality of areas to the recording paper is different from heat applied by second areas, which are adjacent to the first areas in the width direction, to the recording paper.

The invention discloses a color 3D printing system based on 3DP (three dimensional printing and gluing) and a light curing technology. The color 3D printing system based on 3DP and the light curing technology comprises a mechanical system, a control system, an ink supply system, layering software and a molding material. Many color light curing resin materials can be printed as needed through a standard ink jet method (the 3DP technology), so color 3D products can be printed in high precision. The problems of low fineness and low strength of the surface of the color products made through the current 3DP technology are solved.

A liquid ejection method is provided which ejects small-volume droplets from ejection openings and causes them to reliably combine together on the fly into a large droplet that is less susceptible to influences of air flows, thus realizing a printing with reduced droplet landing position deviations. To that end, each of the ejection openings is constructed of two openings spaced apart and a slit-like constricted connection portion that connects the two openings together.

There is provided a print system in which a print instruction is received from an information appliance (IA), a print request is issued to a server in response to the print instruction from the IA, and print data formed by the server is received in accordance with the print request, thereby enabling the print data to be printed from the IA.

The LED printer includes: a photosensitive drum; a resist roller for feeding a printing medium to the photosensitive drum at a first constant speed; a fixing device for discharging the printing medium from the photosensitive drum at a second constant speed; a separation type LED head arranged zigzag; and a printing control circuit for detecting a position of the printing medium fed by the resist roller or the fixing device and adjusting printing timings of the first portion LED head and the second portion LED head based on the detected position and the LED head interval. The LED printer can normally correct a print length in each of a front end region and a rear end region of a sheet.

The invention discloses a micro-projection photo-curing printing device and method with a doubled single-time printing area. The micro-projection photo-curing printing device comprises a linear guide rail, a light source system, an optical projection system and a transparent resin groove for containing photosensitive resin, wherein the transparent resin groove is formed above the linear guide rail and is parallel to the linear guide rail; the light source system and the optical projection system are arranged between the transparent resin groove and the linear guide rail from bottom to top; the linear guide rail is provided with a driving mechanism; and the light source system and the optical projection system are driven through the driving mechanism to move to a pre-set position along a track of the linear guide rail. According to the device disclosed by the invention, the light source system and the optical projection system are driven through the driving mechanism to move on the linear guide rail to reach a first printing position and a second printing position of each layer of pattern; and two pieces of sub-pictures are spliced. By adopting a simple and feasible technical means, an actual printing size can be doubled and high-precision printing can be realized; and a plurality of camera lenses or high-pixel chips do not need to be utilized, so that the cost is reduced.

In the color information measuring device, the print object information measuring device, the printing device and the electronic equipment, three light fluxes of mutually different wavelengths applied to a measurement object from a red LED, a green LED and a blue LED of a light-emitting part have a common illumination area on the measurement object. The common illumination area on the measurement object contains such an observation area on the measurement object that a reflected ray is made to be incident on a photodiode via a condenser lens and a slit member. Therefore, the common illumination area in which three light fluxes of different wavelengths overlap with one another can reliably be made to be an observation area, so that intensities of a plurality of reflected rays of different wavelengths derived from the observation area can be observed equivalently, hence an improved measurement accuracy.

The invention discloses a control method of a printing machine with a heat dissipation assembly. A temperature sensor detects the temperature of the printing machine, a control element receives the temperature of the printing machine, when a received temperature value detected by the temperature sensor is less than a first threshold value, the control element controls a ventilation valve to be opened, when a cooling fan does not work, an adjusting plate completely seals cooling holes, a first control valve and a second control valve are closed, an air feeder is closed, the ventilation valve achieves air connection of the whole device, cooling is achieved through an outer shell and a channel material, after printing is finished, a controller controls the cooling fan to continue working forpreset time, the ventilation valve is closed, the cooling holes are completely closed, the first control valve is closed, the second control valve is opened, and when a pressure signal of the pressuresensor does not reduced any more, the cooling fan is closed and the second control valve is closed.

The invention relates to the field of tissue engineering and regenerative medicine, and particularly to a three-dimensional biomimetic tissue scaffold that exploits the use of three-dimensional print technology. Surface energy is controlled by precisely placing polymers with differing surface chemistry, and using surface texture and bulk composition to pattern absorbable and non-absorbable polymers for the purpose of promoting functional healing in a mammalian body.

The invention discloses a printing machine with a heat dissipation assembly. The printing machine with the heat dissipation assembly comprises a heat dissipation device outer shell; a plurality of ventilation channels are evenly formed in the rear end face of the heat dissipation device outer shell, heat dissipation fans are fixedly installed on the inner sides of the ventilation channels, a movable bottom plate is movably installed on the bottom face of the heat dissipation device outer shell, two dustproof plates are uniformly installed above the movable bottom plate, two moisture absorptionplates are installed on the middle of the two dustproof plates, anti-falling inserting pins are movably installed inside the two ends of the movable bottom plate, and movable sliding blocks are fixedly installed at the other ends of the anti-falling inserting pins. By installing the heat dissipation holes, an adjusting plate, a supporting column, an adjusting sliding block, a transmission screw and a motor, the ventilation hole diameter of the heat dissipation holes of a heat dissipation mechanism of the printing machine can be adjusted, adjustment can be conveniently conducted according to the internal temperature of the printing machine, the ventilation hole diameter of the heat dissipation holes is increased or decreased, heat dissipation is better conducted, and normal operation of the printing machine is guaranteed.

The invention provides a dual-servo motor control device for a flat plate type digital ink-jetting printing machine. Two high-precision servo motors 1 and 2 are adopted, wherein the servo motor 1 is used for controlling motions of a nozzle group in a width direction of a printed textile, and the servo motor 2 is used for controlling motions of a machine head subassembly in a length direction of the printed textile. Furthermore, the servo motor 2 is connected with the servo motor 1 by a signal converting device, so that the synchronous intermittent movement which is complementary in time of the servo motor 1 and the servo motor 2 is accurately traced. Therefore, the heights of the motions of the machine head subassembly are coordinated and consistent, and the high-precision requirement in printing can be effectively ensured. The device can be directly applied to the ordinary flat plate type digital ink-jetting printing machine and has the advantages of convenience for entire installation and high cost performance.

The invention claims a sheet printing system, in which undesirable printing caused by dislocation of a sheet component will not be brought when arranging an opening on the sheet component and printing by supplying soldering paste to the opening, comprising a paste portion, a pattern making portion, a printing portion, a backflow furnace and a stripping portion, characterized in that the paste portion pastes the sheet component onto a base plate for coating soldering paste; the pattern making portion forms an opening pattern for coating soldering paste on the sheet component; the printing portion prints soldering paste on the base plate mounting with the sheet component that forms the opening pattern; the backflow furnace heats the base plate printing with soldering paste to fix the soldering paste onto surface of the base plate; and the stripping portion removes the sheet component from the surface of the base plate fixing with soldering paste.

The present invention discloses a solder ball printing apparatus for supplying solder balls to a mask surface in an appropriate amount and preventing solder ball wastage as possible. In the invention, the solder ball printing apparatus is provided with a mask and a solder ball filling head. The mask prints solder balls on electrodes which are formed on a substrate that is carried on the printing worktable. The solder ball filling head is provided with a vertical driving mechanism that vertically moves on the mask surface. The solder ball printing apparatus is characterized in that: the solder ball filling head is composed of a solder ball filling part and a solder ball supplying part; the solder ball filling head is provided with the vertical driving mechanism which cause the solder ball filling part and the solder ball supplying part to vertically move simultaneously and a supplying part driving mechanism that causes the solder ball supplying part to move vertically; a static-resistant pipe is used for connecting a syringe for storing the solder balls with the solder ball filling part in the solder ball supplying part; and through action of the supplying part driving mechanism, the static-resistant pipe is extended or bent, thereby supplying the solder balls or stopping.

Present invention provides an image print sheet printable in high accuracy without reducing productivity. After a lenticular sheet 101 and a reception layer sheet 102 on which a detection pattern 103 is printed are inserted in an attachment apparatus 110 from insertion openings, the optical density is measured repeatedly by a density sensor 111 while rotating and parallel-moving the lenticular sheet 101. When the maximum density is measured, the reception layer sheet 102 is attached to the lenticular sheet 101. In this way, an image print sheet 100 having the detection pattern 103 parallel to the longitudinal direction of convex parts 101a and coinciding with the vertexes of the convex parts 101a is produced. When printing on the image print sheet 100, the detection pattern is detected by a photo-sensor, an azimuth adjustment and a print start position determination will be performed. Consequently, printing with high accuracy is available.

According to the present invention, by arranging a pair of paper feed mechanisms having a paper feed roller formed with projections at two positions on the upstream side and downstream side of the platen, it is possible to provide full-surface printing from the front end to the rear end of the recording paper. In addition, waste of recording paper can be avoided, and a pair of paper feeding mechanisms can prevent sliding of recording paper during printing. Paper feeding cylinders (2), (5) and paper feeding cylinders (2), The pressing cylinders (4), (7) of (5), utilize the recording paper (11) in the printing that the printing mechanism (8) carries out, pass the protrusion (2a) of a pair of paper feeding cylinders (2), (5) ), (5a) are transported deep into the back side (11b) of the specified size.

The invention discloses a quick 3D printing device and a quick printing method. The device comprises a base, an exposure mechanism, a control mechanism, a printing mechanism and a liquid containing mechanism, wherein the exposure mechanism and the control mechanism are arranged in the base; the printing mechanism and the liquid containing mechanism are arranged on the base; the printing mechanism comprises a module and a printing platform slidably mounted on the module; the liquid containing mechanism comprises a material tank used for containing a printing solution and a driving assembly used for driving the material tank to rotate; the bottom of the material tank is provided with a completely transparent bottom plate or a partially transparent bottom plate; the bottom plate is covered with a layer of transparent liquid film with the uniform thickness; an exposure port of the exposure mechanism corresponds to the printing platform and used for allowing exposure curing light to pass through the transparent material tank bottom and be directly irradiated onto the printing platform. The quick 3D printing device and the quick printing method provided by the invention has the characteristics that the printing speed is high, the precision is high, the service life is long, the size is small, and operation is easy.

The invention provides a tile assembly making system, which comprises a feeding device for supplying a cell slice, a material detecting and preparing device for performing visual detection and classification preparation on the cell slice, a conductive adhesive printing device with at least one carrying surface for printing the conductive adhesive on multiple cell slices at the same time, a post-processing device for performing subsequent processing on the cell slice after the conductive adhesive is printed on the cell slice, and an accurate positioning device for enabling the multiple cell slices to be aligned and positioned on the at least one carrying surface. The invention also provides a making method by adopting the making system, which comprises steps of feeding, material preparation, conductive adhesive printing and printing post-processing. Low-cost and high-efficiency scale mass production can be realized, accurate patching can be ensured, and the uniformity of online mixing of the conductive adhesive can also be ensured.