43results about How to "Reduce the cost of plate making" patented technology

The invention provides a paper printing method for printing single paper. The method comprises the following steps: a, determining the parameters of a printed matter according to a printing command, and determining the type and quantity of raw paper; b, selecting a corresponding printing device according to the parameters of the printed matter, and generating a cutting command and a printing command; c, controlling a cutting device according to the cutting command in order to cut the raw paper, and controlling the printing device according to the printing command. By adopting the paper printing method, the raw paper cutting error rate is lowered, the paper opening rate is increased, and the production efficiency in a raw paper cutting workflow is increased; moreover, a corresponding platemaking method is generated according to the specifications of finished products, so that the platemaking cost is reduced.

The invention discloses a seamless flexible plate making technology. The seamless flexible plate making technology comprises 1, coating a flitch plate sleeve roller as a base roller with black rubber and carrying out processing through a grinding machine to obtain a rubber layer with thickness of 7-10mm, 2, preparing a carving file according to requirements and inputting the carving file into carving software of a carving machine, 3, inputting actual sizes of the rubber roller into the carving machine, introducing the carving file and carrying out pattern graving on the rubber roller, and 4, preparing a seamless flexible printing plate according to characteristics of diameter error automatic scaling and automatic circumferential joint through the laser carving machine. The seamless flexible plate making technology solves flexible plate joint problems and improves printing adaptability.

The invention provides a gravure digital integral printing machine. The gravure digital integral printing machine comprises a rack, an unreeling part, a combination printing unit, a reeling part and an electric control part, wherein the combination printing unit is combined by at least one gravure printing machine embossing unit and at least one digital ink-jet printing machine unit which are mixedly arrayed on a straight line; the unreeling part, the gravure printing machine embossing unit, the digital ink-jet printing machine unit and the reeling part are all electrically connected with the electric control part and are controlled by the electric control part; the gravure printing machine embossing unit and the digital ink-jet printing machine unit are arranged on the rack; and a conveying mechanism used for conveying a printed material to the digital ink-jet printing machine unit after printing of the gravure printing machine embossing unit is arranged between the gravure printing machine embossing unit and the digital ink-jet printing machine unit. The gravure digital integral printing machine with the combination characteristics also uses a one-printing and one-drying scheme of a traditional gravure printing machine; and advantages of capability of overprinting, large reprinting inking amount, wide expanding design range of gravure printing and advantages of three-dimensional beauty, forming rapidness and the like of digital ink-jet printing are integrated by the gravure digital integral printing machine.

The invention relates to a gravure and digital integrated printing machine. The printing machine can combine the advantages of gravure printing and digital ink jet printing and can reduce the defects of the gravure printing and the digital ink jet printing so as to adapt to the technology trend and meet the production requirement. The technical scheme of the printing machine is that the gravure and digital integrated printing machine is characterized by comprising a discharging part, a combined printing unit, a receiving part and an electrical control part; the combined printing unit is formed by combining at least one gravure printing unit and at least one digital ink jet printing unit which are arranged in a straight line; the discharging part, the gravure printing units, the digital ink jet printing units and the receiving part are all electrically connected with and controlled by the electrical control part.

The present invention relates to printing technology, and is one kind of environment friendly ink jetted CTP offset plate, color ink and its making process. The color ink comprising pigment, dispersed polymer emulsion, water soluble cosolvent, surfactant, cross-linking agent and deionized water is prepared through emulsifying and high speed dispersing. The color ink may be printed fluently without ink jet jamming, and the printed ink may be adhered to the plate fast without flowing. Through printing on aluminum base with one ink jet printer and the color ink and plate settling treatment, one environment friendly ink jetted CTP offset plate may be made without need of further treatment. The plate making process is time saving and environment friendly.

A design method for a reverse class-F power amplifier based on 3 / 4 spiral virtual ground structure comprises the steps as follows: confirming the work frequency of the power amplifier and obtaining the harmonic frequency of a harmonic control circuit; changing the dimension of the 3 / 4 spiral structure and designing corresponding harmonic control circuit according to the needed harmonic frequency in the design; inserting the harmonic control circuit into the output end of a power amplifier tube and designing the input-output matching circuit of a power amplifier circuit; and designing the input-output parameters of the power amplifier through measurement, and adjusting the length of a magic line to reach the maximum work efficiency. The amplifier designed by adopting the method comprises an input matching circuit, a power amplifier circuit, a harmonic control circuit and an output matching circuit which are connected onto a microstrip line in sequence; the harmonic control circuit comprises a 3 / 4 spiral virtual ground structure arranged below the microstrip line, and the virtual ground structure is formed by a complete spiral virtual ground structure cut by 1 / 4; and the 3 / 4 spiral virtual ground structure comprises two spiral structure parts connected with each other and in axial symmetry along the microstrip line.

The invention discloses a plate making method of a flexible printing plate based on a three-dimensional photo-curing molding method. The method comprises the following steps that S1, a three-dimensional model of the flexible printing plate is made, the three-dimensional model is subjected to slicing treatment to form a plurality of slicing layers, and slicing data is obtained; S2, a container groove is filled with liquid photosensitive resin; S3, a construction platform is extended into the liquid photosensitive resin, so that the distance between the bottom of the construction platform and the bottom of the container groove is the thickness of one slicing layer; S4, the liquid photosensitive resin at the bottom of the container groove is scanned and irradiated by using ultraviolet rays toform a printing plate slice; S5, the construction platform drives the formed printing plate slice to rise to the distance of the thickness of one slicing layer; S6, the liquid photosensitive resin atthe bottom of the container groove is scanned and irradiated by using the ultraviolet rays to form the next printing plate slice; and S7, the step 5 and the step 6 are repeated until the plurality ofprinting plate slices are formed. The method has the advantages of being few in working procedures, saving in materials, and beneficial to environmental protection.

The invention discloses dual-purpose printing equipment. The dual-purpose printing equipment comprises a magnetic platform, a replaceable printing plate and a scraping and printing device; the printing plate is any one of rotary screen and hollow gravure rollers; when the printing plate is the hollow gravure roller, the gravure roller is a metal cylinder without an open hole in the surface and with a thickness of 0.5 to 1 mm; a scraper mechanism is mounted outside the gravure roller; a supporting roller bracket is fixedly mounted in the gravure roller in an axial direction of the gravure roller; two shaft ends of a supporting roller are fixedly mounted on the supporting roller bracket through connecting plates; and the supporting roller is tangent to the inner wall of the gravure roller atthe position where the scraper abuts against the outer wall of the gravure roller. On the basis of not changing parts below a rotary screen printing machine guide belt on a production line, a replaceable rotary screen gravure roller and a scraper assembly cooperating with the gravure roller are arranged at the mounting station of a rotary screen, the transformation cost is low and the productionline is optimized, so that an existing production line can flexibly switch the printing plate according to production requirements.

The inventio provides a three-dimensional bronzing method, comprising the steps of: 1. providing a screen printing plate; 2. coating disposable photosensory pulp on the screen printing plate, putting the screen printing plate coated with the photosensory pulp into an oven to be baked, and exposing by a printing-down machine; 3. printing disposable bronzing pulp on printed material with the exposed screen printing plate to form a preset pattern to be bronzed, and drying; and 4. setting a bronzing paper on a flat pressing flat bronzing machine, bronzing the printed material, and melting the surface layer of the bronzing pulp by means of heating and pressing to convert the golden powder on the bronzing paper and complete the operation of disposable bronzing to the pattern to be bronzed of the printed material. The three-dimensional bronzing method disposably produces the multicolour three-dimensional bronzing patterns and characters with good hand feel on the surface of textile or thin paper with the existing common equipment, thereby not only reducing the production cost but also improving the production efficiency to a certain degree.

The invention discloses a method for manufacturing a nonwoven metal porous plate used for printing, relating to the field of printing and plate making and aiming at solving the problem that the porous plate used for printing in the prior art is hard to realize precise patterns. The method comprises the following steps: designing a plate sample of the metal porous plate with patterns on a computer; arranging and manufacturing the plate sample into split films by an imagesetter connected with the computer; coating photosensitive glue on a master plate base for manufacturing the metal porous plate; covering the split films on the master plate base coated with the photosensitive glue for plate burning, then developing and displaying the plate sample on the photosensitive glue; corroding the master plate base and manufacturing the master plate of the metal porous plate with patterns; and manufacturing the metal porous plate used for printing on a machine by electroplating of the master plate. The method not only can improve the precision degree of the patterns with porous plate printing and durability of the porous plate, but also can further improve anti-counterfeit performance of porous plate printing products and reduce plate-making cost.

The invention provides a preparation method of a clothing prism structure. The preparation method comprises the following steps: S1, pretreatment: placing a machined product, hot stamping glue and nonwoven cloth on a machining platform of a hot stamping machine in sequence in an alighning manner for hot stamping treatment; S2, silk screen machining: on a working tabletop, locating the machined product, placing a silk screen template for alignment for silk screen machining, and after the silk screen machining, blowing the product to dry with cold air; S3, cushion pressing machining: placing a bottom surface protection layer, a paper layer and the machined product in sequence above a machining die for cushion pressing molding; and S4, aligning the bottom surface of the machined product withthe nonwoven cloth, and placing the machined product on the machining platform of the hot stamping machine for hot stamping treatment, thus obtaining a finished product. According to the preparation method, a stereoscopic vision and a unique vision of change of different edges can be shown through an image subjected to plane printing; and a stereoscopic vision picture shows a texture that the picture is at fingertips of a person, and achieves a coming-out stereoscopic effect.

The invention discloses a secondary screen tensioning and reusing technology of a solar cell sheet composite material screen plate. The technology comprises the following steps that an old screen plate is stripped, hot melt adhesive stripping is carried out on the screen plate needing to be reused by utilizing a plane stripping machine, so that a stainless steel wire mesh is separated from an oldpolyester screen; a combined false frame is manufactured, a new polyester screen and a fixing frame are prepared, the new polyester screen is adhered to the fixing frame, and the new polyester screenand the fixing frame are combined into the combined false frame; a new screen plate is manufactured, the stainless steel wire mesh stripped from the old screen plate is utilized for the second time, the stainless steel wire mesh is adhered to the polyester screen in the combined false frame through hot melt adhesive, and the polyester screen at the middle position of the stainless steel wire meshis removed, then an upper frame is bonded on the polyester screen, and the fixing frame in the combined false frame is removed. According to the technology, the stainless steel wire mesh of the screenplate can be secondarily tensioned and reused, the plate making cost is reduced, and the waste is reduced.

The invention relates to a cold ironing film. The film comprises a PET thin film, the PET thin film is coated with a release layer, the release layer is coated with a coloring layer, a laser layer is arranged on the coloring layer in a mould pressing manner, a vacuum aluminizing layer is arranged on the laser layer, and is coated with gum, and the material of the gum comprises, by weight, 80 parts of natural rubber, 20 parts of butadiene rubber br9000, an auxiliary material and an addition agent; the auxiliary material comprises, by weight, 5 parts of indirect zinc oxide, 1 part of stearic acid, 0.2 part of coumarone resin and 7 parts of solar oil Sunpar2280; the strength of the gum on the surface layer of the cold ironing film is high, and impact resistance is achieved.