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315results about How to "Guaranteed printing effect" patented technology

Ceramic material for 3D light curing formation printing and preparation method of ceramic element

The invention relates to a ceramic material for 3D light curing formation printing and a preparation method of a ceramic element. The ceramic material is prepared from 30 to 70 vol percent of ceramicpowder and 30 to 70 vol percent of photosensitive resin premixed liquid, wherein the photosensitive resin premixed liquid is prepared from 37 to 50 weight percent of oligomers, 30 to 60 weight percentof reactive diluents, 0.1 to 5 weight percent of photoinitiators, 1 to 5 weight percent of dispersing agents, 0.1 to 0.6 weight percent of ultraviolet blocking agents, 0 to 0.05 weight percent of polymerization inhibitors, 1 to 4 weight percent of anti-foaming agents, 0.5 to 2.35 weight percent of anti-settling agents and 0.3 to 3 weight percent of leveling agents. In the degreasing and sinteringpost-treatment work procedures, specific parameters are used, so that a sintering element can reach good sintering density and mechanical performance. By optimizing the composition and the proportionof light curing ceramic resin, and selecting the excellent dispersing agent combination and the reasonable consumption, the ceramic powder can be better dispersed in the resin; the problems that theexisting light curing ceramic resin has poor flowability and low formation precision, and that a finally prepared ceramic product can easily generate cracks or deformation, and the like are solved.
Owner:西安点云生物科技有限公司

High-speed industrial jet printing control system and method based on FPGA technology

ActiveCN105564028ABreak through the speed bottleneckProcessing supportOther printing apparatusImaging processingControl system
The invention provides a high-speed industrial jet printing control system and method based on the FPGA technology, and the system and method are applied to the industrial full-printing electronic field. The image processing, jet printing control and motion control functions are integrated to realize full-automatic printing, a traditional processing manner that a jet printer system processes images in a PC and then the images are transmitted to a jet printer control system to carry out jet printing at present is replaced, breakthrough is made in the bottleneck of the data processing speed in traditional jet printing, an array of a super large number of nozzles is supported, and the system and method are especially suitable for one-way jet printing of the industrial roll-to-roll jet printing technology. The jet printing control method can be used to coordinate and schedule functional sub modules to realize the jet printing function, the accumulated positioning error is overcome, and flexible acceleration and deceleration motion is carried out to control and ensure the ink jetting state; and the method is simple, and the jet printing precision is higher. Devices are controlled to carry out jet printing in the speed near the highest theoretical speed, and the production efficiency is greatly improved.
Owner:SHENYANG INST OF AUTOMATION - CHINESE ACAD OF SCI

Biaxially oriented polypropylene hot-pressing film and its making process

The invention discloses a biaxially oriented polypropylene hot-pressing film, which is made by three-layer co-extrusion and biaxial stretching. The middle layer is a homo-polypropylene core layer, the inner surface layer is a hot pressing layer, and the external surface layer is a printing layer. The homo-polypropylene core layer comprises 2%wt of an antistatic agent and 98%wt of homo-polypropylene. The hot pressing layer comprises 70%-80%wt of a thermal adhesive masterbatch, 2%-5%wt of an anti-adhesion agent and 15%-28%wt of an ethylene-propylene-butene copolymer. The printing layer comprises 3%wt of the anti-adhesion agent and 97%wt of homo-polypropylene. The invention also provides a production method of the biaxially oriented polypropylene hot-pressing film. The biaxially oriented polypropylene hot-pressing film provided in the invention can achieve good printing effects of conventional biaxially oriented polypropylene films, gluing is not needed during paper-plastic lamination, and hot-pressing lamination can be carried out directly. The bonding strength of the coated film completely meets the use requirements. Downstream processing procedures are greatly simplified, and the use cost is substantially reduced. Organic solvent evaporation and residual are absent in the production process, so that the process is green and environment-friendly.
Owner:ANHUI GUOFENG PLASTIC

Control system and method of jet printing equipment

The invention provides a control system and a control method of jet printing equipment, which relate to the technical field of jet printing. The system comprises the jet printing equipment, an RFID (radio frequency identification) label, a consumable storage device and an RFID card reader, wherein the RFID label is fixedly arranged on the consumable storage device; the RFID card reader is fixedlyarranged in a corresponding position, which is used for detachably and fixedly installing the consumable storage device, in a jet printing case; the RFID card reader is used for reading the RFID label; the consumable attribute information of consumables stored in the consumable storage device is stored in the RFID label; the RFID card reader is in communication connection with the jet printing equipment; the consumable attribute information on the RFID label is obtained and is transmitted to the jet printing equipment by the RFID card reader; the consumable attribute information is matched with authentication information stored in the jet printing equipment by the jet printing equipment so as to generate matching results; and the jet printing equipment is controlled to automatically starta jet printing function or shut off the jet printing function according to the matching results. According to the control system, the consumables which are matched with the jet printing equipment canbe used by the jet printing equipment.
Owner:北京赛腾标识系统股份公司

Method and device for manufacturing metal lining of 3D printing composite material space pressure vessel

The invention discloses a method and device for manufacturing a metal lining of a 3D printing composite material space pressure vessel. The manufacturing method comprises the steps that an additive manufacturing environment of an environmental simulation storage tank is adjusted to a set parameter condition; a 3D printing welding gun is controlled to fuse a metal welding wire, and molten metal iscoated to a set position of the welded vessel; after the molten metal is cooled to the rough machining temperature, the frequency and the amplitude of a micro forging head are adjusted, the molten metal at the set position is pressed and forged through vibration of the micro forging head, and rough machining additive metal is obtained; a grinding milling cutter is controlled to conduct appearanceand size grinding on the rough machining additive metal until the rough machining additive metal is ground to the set accuracy, and finish machining additive metal is obtained; and layer-by-layer accumulation is carried out, the 3D printing process is completed, and a product to be processed is completed. According to the method and device, the fusing-forging integration process is used for producing the lining of the pressure vessel or a thin-walled pressure vessel, influences of machining like welding on the product quality are reduced, and the precision and the tissue performance of the molded product are improved.
Owner:CHINA ACAD OF AEROSPACE AERODYNAMICS

Full-automatic vertical-surface screen printing machine and multi-surface printing process thereof

The invention discloses a full-automatic vertical-surface screen printing machine and a multi-surface printing process thereof, and relates to the field of screen printing. The full-automatic vertical-surface screen printing machine specifically comprises a machine frame, wherein the peripheral sides of the upper surface of the machine frame are provided with screen plate assemblies for printing aworkpiece so that printing work can be carried out on the surface of the workpiece through the screen plate assemblies; and the middle of the upper surface of the machine frame is fixedly connected with a supporting platform, wherein a clamping and positioning mechanism for clamping and fixing the workpiece and an expansion shaping mechanism for flattening the workpiece through expansion are sequentially arranged above the supporting platform. According to the full-automatic vertical-surface screen printing machine and the multi-surface printing process thereof, a printing manner is designedas vertical surface printing so that multiple surfaces of one product can be simultaneously printed, thus greatly improving production efficiency and reducing labor intensity of operators as well as occupied areas for production; and meanwhile, through cooperation of a self-fitting mechanism, the expansion shaping mechanism and the clamping and positioning mechanism, printing steps are simplified,and the printing effect of the product is improved.
Owner:湖北天佳日用品有限公司

Printed circuit board processing device

The invention discloses a printed circuit board processing device, which comprises a transfer table, a frame, a sliding rod, a brush block, connecting blocks, a jacking plate and a diamond-shaped scraper, wherein a motor is fixed to the left side of the frame, an output shaft of the motor is in transmission connection with the brush block, the right side of the brush block is provided with a fan,a cylinder is fixed to the top end of the frame, the cylinder is fixedly connected with the jacking plate, the lower surface of the jacking plate is provided with guide rails, the guide rails are slidably connected with the sliding rod, the sliding rod is fixedly connected with the diamond-shaped scraper, elastic telescopic rods are fixed to both sides of the jacking plate, a spring is arranged inside each elastic telescopic rod, the elastic telescopic rods are fixedly connected with a steel mesh by means of the connecting blocks, a sensing device is arranged below one connecting block, a solder paste tank is arranged above the steel mesh, a stirring rod is arranged inside the solder paste tank, and a valve is arranged at the bottom part of the solder paste tank. The printed circuit boardprocessing device ensures the processing effect of a printed circuit board, and improves the production efficiency.
Owner:广东高旗技术有限公司

3D photocuring dynamic focusing self-adaption light spot printing method

The invention provides a 3D photocuring dynamic focusing self-adaption light spot printing method and equipment. The method comprises the steps that 1, three-dimensional model data of a to-be-printedarticle are built anddiscretized,so that multiple layer models are obtained; 2, light spot route planning is conducted on each model, wherein a light spot route comprises the sizes and the moving direction of light spots, and the sizes of the light spots are dynamically changed according to the area size of the layer models; and 3, according to the light spot route obtained through planning of step 2, the layer models are printed, the sizes of the light spots are dynamically adjusted through the printingequipment, and printing is conducted along the light spot route until printing is completed. Light spot route planning is conducted on each layer model, The proper light spot sizes are set for printing in all different areas in the layer models according to the shape and performance requirements; and the light spots are gradually decreased at positions with sharp corners; and on the premise that the printing precision and printing article performance are guaranteed, dynamic light spotprinting can be achieved in all directions, and the printing speed can be increased.
Owner:J H TECH ELECTRONICS GZ LTD

Automatic feeding system for ink writer

The invention discloses an automatic feeding system for an ink writer. The automatic feeding system comprises a rolling rotary disc, a feeding mechanism and a discharge mechanism, wherein equally-arranged rolling grooves are arranged in the circumferential sidewall of the rolling rotary disc; a bracket is connected with the rolling rotary disc; pushing claws of the bracket are corresponding to stop blocks on the rolling rotary disc, and one side surface of each pushing claw and one side surface of each stop block are located on the same straight line; the outlet end of a feeding frame of the feeding mechanism is suspended above the rolling grooves of the rolling rotary disc; a stop rod is arranged on the back of a bent material channel; the bottom plate of the feeding frame is connected with a width adjustment device; a material distribution device is arranged at the lower port of a hopper; a slantwise feeding belt driven by two rotary shafts is arranged on the upper part of a rack of the discharge mechanism; one end of the feeding belt is located at one side of the rolling grooves in the lower part of the rolling rotary disc; the two ends of a driven rotary shaft of the feeding belt are connected with a support rod; the support rod is connected with a shifting rod; one end of the shifting rod is fixedly connected with a transversal rack; and a rotary hand wheel is used for adjusting the slantwise angle of the feeding belt.
Owner:李维龙

3D printing device and method based on electromagnetic emission technique

ActiveCN106003733AReduce physical and chemical propertiesAvoid cloggingAdditive manufacturing apparatusSprayerConductive materials
The invention relates to a 3D printing device and method based on the electromagnetic emission technique, and belongs to 3D printing devices and methods. An XY-direction workbench and a support are mounted on a base, a Z-direction workbench is connected with the support in a sliding mode, and a connecting frame is connected with the Z-direction workbench and a sprayer. A high-precision injection pump is fixed to the base. The two ends of a feed pipe are fixedly connected with the sprayer and the high-precision injection pump correspondingly. A piece bearing table is mounted on the XY-direction workbench and located below the sprayer, and a substrate is connected to the piece bearing table. Current and a magnetic field are exerted on conductive liquid in the sprayer, the conductive liquid is pushed by ampere force to be sprayed out to a designated position, the magnitude of the ampere force serving as pushing force can be changed conveniently by changing the current intensity or the magnetic field intensity, and therefore the ejection speed of printing liquid drops is controlled; and a nozzle is prevented from being blocked by giving the magnetic field intensity and current duration and controlling the current intensity, high printing precision can be achieved, and the 3D printing device and method are suitable for 3D printing of biological conductive materials and non-biological conductive materials.
Owner:JILIN UNIV

Digital printing machine

The invention discloses a digital printing machine. The digital printing machine comprises a machine frame, a printing trolley, an operation platform and a conveying mechanism, wherein the printing trolley, the operation platform and the conveying mechanism are arranged on the machine frame; the machine frame comprises a first side plate, a second side plate opposite to the first side plate, a first lower side plate and a second lower side plate opposite to the first lower side plate. A containing space is defined by the first side plate and the second side plate jointly. The operation platform is located on the upper portion of the containing space. The conveying mechanism is used for conveying paper and comprises a paper conveying roller, a transition roller, a first tensioning roller, afirst guide roller, a tension roller, a rubber roller, a first spreading roller, a second tensioning roller, a second guide roller and a paper collection roller. The paper conveying roller, the transition roller, the first tensioning roller, the first guide roller, the tension roller, the rubber roller, the first spreading roller, the second tensioning roller and the second guide roller are contained in the containing space. Thus, the effect that paper is tensioned in the conveying process can be effectively ensured, paper is prevented from winkled, and meanwhile, the overall structure is more compact.
Owner:SHENZHEN TEXTALK GRAPHIC TECH

3D printer

The invention relates to the technical field of printing equipment, in particular to a 3D printer which comprises a bottom frame. Multiple sets of vertical frames are arranged at the top of the bottom frame, a top frame is arranged between any two vertical frames, a cross beam is arranged between the top frames through a Y-axis controller, and an X-axis controller on the outer surface of the cross beam is slidably connected with a printing device; and a bottom plate is arranged at one side of each top frame through a Z-axis controller, the printing device comprises a booster, a raw material pipe is slidably connected into the booster, a heating cavity is formed in the bottom of the booster, the bottom of the heating cavity communicates with a flowing cavity, and a temperature sensor is arranged in the flowing cavity and used for detecting the internal temperature of the flowing cavity. According to the 3D printer, the current value of an electromagnet is controlled to change a gap between a heat-resistant magnetic ball and a spray head and change the volume of a molten material flowing out of the spray head, the material thermal expansion principle is combined, the material volume is increased when the temperature rises, the needed shape and volume are obtained after cooling, the printing effect is good, and the printing precision is high.
Owner:深圳市俩棵树科技有限公司
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