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32results about How to "Reduce production consumables" patented technology

Finned heat exchanger

The invention relates to the field of heat exchangers, in particular to a fin-typed heat exchanger with high efficiency and low resistance, comprising a fin row which consists of fins and a heat exchange pipe which vertically passes through the fin row. The fin-typed heat exchanger is characterized in that the section of the heat exchange pipe is an ellipse shape; the fin is provided with a longitudinal vortex generator. The fin-typed heat exchanger can greatly improve the whole heat exchange performance of the heat exchanger but increases the flow resistance to small extent at the same time, and is mainly applied to gas-liquid heat exchange or gas-phase variable heat exchange.
Owner:XI AN JIAOTONG UNIV

Rotary device and gas separating device

The invention provides a rotary device and a gas separating device and relates to the field of mechanical equipment. The rotary device comprises a rotating component and a non-rotating component, and the non-rotating component is arranged on the rotating component in a sleeving mode. A plurality of first runners communicating with an outer pipeline are formed in the non-rotating component, a plurality of second runners matched with the multiple first runners are formed in the rotating component, and a communicating pipe net is formed among the multiple first runners and the multiple second runners. The rotating component has a plurality of rotating states, and when the rotating component is moved to another rotating state from a rotating state, the multiple first runner and the multiple second runners are transformed into another communicating state from a communicating state. According to the rotary device and the gas separating device, the effect that an intricate control valve in the multi-pipeline technological process is replaced by one single rotary device can be achieved, and machining cost of equipment is reduced. The gas separating device comprises the rotary device, and manufacturing cost and the occupied space of multi-pipeline equipment in the gas separating device are reduced.
Owner:CHENGDU SEPMEM SCI & TECH

Method for confirming ink-supplying amount of printing machine

InactiveCN101279531ASolve the problem of ink supplyQuality improvementPrinting press partsSocial benefitsGraphics
The invention relates to a method for determining ink feeding amount of a printing machine, which can effectively solve the problem of the ink feeding amount of the printing machine. The method comprises the steps that a paste-up software is used for pasting up images, graphs and files onto one layout to create a file in the format of PDF and the PDF file is subject to a gridding processing through the Phtoshop software to generate a color TLFF image; the mathematical modeling is performed by utilizing the parameter of the printing machine and combining the image color information provided by the color TLFF picture; the parameter and information are calculated to obtain the ink bond open value of each ink area on each color plate and the angle value of the distributer so as to build the computation model of ink area and ink amount; the computer programming is hired to obtain the ink amount generation program and the ink amount generation program is executed by the computer to obtain the atlas of ink area and ink amount; the printing machine is set to carry out the printing according to the atlas of ink area and ink amount. In the whole process, the production of datamation and standardization with convenient operation and good quality of the printing product is realized, thus saving the material and providing huge economic and social benefits.
Owner:THE PLA INFORMATION ENG UNIV

Preparation method of inner layer of thick copper thin circuit board of printed circuit board

The invention provides a preparation method of an inner layer of a thick copper thin circuit board of a printed circuit board. The technical scheme of the preparation method includes that plating grinding and chemical micro-etching are carried out in preliminary treatment, secondary printing ink is coated in coating, exposure is carried out with a semi-automatic exposure machine of a brand Chuanbao and a model E2100-7KMD, and an encrypted nozzle is adopted and compensation etching is carried out on the line width of a film. The preparation method has the advantages that the reject rate due to open circuits and gaps can be reduced to be 1.5%; the value of the line width is within + / - 10%; and exposure foreign matters and image distortion are reduced. The defects that the reject rate of an existing thin circuit board caused by open circuits and gaps is high, edges of circuits after etching are not regular, thicknesses of the circuits are not uniform and the range of line widths is large are overcome.
Owner:深圳玛斯兰电路科技实业发展有限公司

Grid point making method for lenticular screen three-dimensional printed chart

The invention relates to a method for manufacturing printing dots of a lenticular grating stereoscopic printing map, which effectively solves the problems of improving the definition and stereoscopic impression of the lenticular grating printing map; the method thereof is as follows: according to the number of lines of used grating plates, the resolution of an output device, and the number of rows of laser points which are generated by each view, the number of images in accordance with the subdivision by visual angle and a printing dot manufacture model are determined; the computer is used for programming so as to obtain a printing dot generating program 3D-RIP which is implemented by the computer for obtaining the printing dot binary image of each color version; a film manuscript of the image is sent to a compositor by a laser typesetter or the printing version is output by a direct computer plate-making machine; the printing dot is output onto the film or the printing version; and by using a stereoscopic map printing method, a printing product of high definition and super-strong stereoscopic sense is obtained. The method is simple and easy for operation, greatly improves the expressive ability of the grating stereoscopic printing products, enhances the quality and competitiveness of the products, saves the production consumables, has broad application prospects, and enormous economic and social benefits.
Owner:THE PLA INFORMATION ENG UNIV

Hydraulic oil cylinder, hydraulic oil circuit, material pumping system, and engineering machinery

The invention provides a hydraulic oil cylinder used for a material pumping system. The hydraulic oil cylinder comprises a cylinder barrel, a piston and a piston rod installed in the cylinder barrel; two ends of the cylinder barrel are sealed by a first end cover and a second end cover; one end of the piston rod is arranged on the piston while the other end of the piston rod passes through the first end cover; the inner part of the cylinder barrel is divided into a first cavity and a second cavity by the piston; the invention also comprises a limit piston and a limit piston fixing rod, wherein one end of the piston rod is provided with a blind hole in which the limit piston fixing rod can be inserted; the limit piston can reciprocate on the limit piston fixing rod. The invention also provides a hydraulic oil circuit, a material pumping system and an engineering machinery. According to the technical scheme of the invention, the length of the hydraulic oil cylinder is effectively shortened, the installation space of the pumping system is reduced, the manufacture of the hydraulic oil cylinder and connection of oil pipes are facilitated, the concrete pistons are more convenient and faster to clean and replace, and the continuity of the cement pumping work and the production efficiency are enhanced remarkably.
Owner:SANY HEAVY IND CO LTD (CN)

Novel ultrathin battery and preparation process thereof

The invention relates to the technical field of ultrathin batteries, in particular to a novel ultrathin battery. The novel ultrathin battery comprises a positive electrode substrate, a negative electrode substrate, a positive electrode granular material, a negative electrode granular material, a diaphragm, a positive tab and a negative tab, wherein the positive electrode particle material and thenegative electrode particle material are respectively coated on the positive electrode base material and the negative electrode base material, the positive electrode base material and the negative electrode base material are separated by using a diaphragm, and the positive electrode base material, the negative electrode base material, the positive electrode particle material, the negative electrode particle material, the diaphragm, the positive electrode lug and the negative electrode lug are packaged by using aluminum plastic films and are filled with electrolyte. The invention further provides a preparation process of the novel ultrathin battery, the production process is simplified, the processing is simple, the production consumables are small, the yield is high, the production cost islow, the battery capacity is high, the appearance is smooth and not easy to soften, the hardness meets the high-strength use requirement, and the novel ultrathin battery has market prospects and is suitable for popularization.
Owner:太能控股(惠州)有限公司

Telescopic arm type multi-point displacement meter anchor head applied to soft soil stratum

The invention relates to a telescopic arm type multi-point displacement meter anchor head applied to a soft soil stratum. The anchor head comprises a medium shaft barrel, an outer barrel which sleeves the medium shaft barrel, a first-grade force transmission rod which is connected to the bottom end of the outer barrel through a screw knob, an outer ring which sleeves the outer barrel, a bottom plate which is connected to the low end of the medium shaft barrel, a second-grade force transmission force which is connected with the outer ring through the screw knob, and a telescopic arm barrel mechanism which is respectively connected with the first-grade force transmission rod, the second-grade force transmission rod and the bottom plate through the screw knobs; the first-grade force transmission rod, the second-grade force transmission rod and the telescopic arm barrel mechanism are respectively vertically rotated about the screw knobs; the medium shaft barrel, the telescopic arm barrel mechanism and the bottom plate are all of a hollow structures. Compared with the prior art, the anchor head has the advantages that the settlement amount of different soil stratums in a soft soil area can be reliably and quickly measured, and the data for monitoring the settlement of the stratum are provided for the foundation pit engineering and underground engineering.
Owner:TONGJI UNIV

Cross-flow type aluminum plate fin heat exchanger provided with stress releasing seams, based on flexible seal strips and cover plates

The invention discloses a plate-fin heat exchanger. The plate-fin heat exchanger comprises a heat exchanger core body and end caps, wherein a plurality of layers of hot channels and a plurality of layers of cold channels are stacked in cross-flow arrangement and are clamped by cover plates for brazing, so that the heat exchanger core body is formed; each hot channel is characterized in that one layer of fins is clamped by two layers of partition plates, and is sealed by rectangular seal strips; each cold channel is characterized in that one layer of fins is clamped by two layers of partition plates, and is sealed by flexible seal strips; each end cap is in a semi-circular slot shape; a round-tube-shaped joint is arranged on the outer side of each end cap; and after processing of the whole plate-fin heat exchanger is completed, rectangular stress releasing seams are formed in each cover plate through size calculation according to the length of the cover plate on each of two sides of the heat exchanger core body. According to the novel plate-fin heat exchanger disclosed by the invention, the flexible seal strips provided with stress releasing slots and the cover plates provided with the stress releasing seams are adopted, so that the weight of the heat exchanger is reduced; and through the combination of stress releasing effects of two flexible structures, heat stress is greatly reduced, so that the condition that in the actual operation of the heat exchanger, fatigue failure caused by heat stress is effectively avoided, and the fatigue life of the heat exchanger is prolonged.
Owner:NANJING UNIV OF TECH

Floor drain and mounting structure and production process thereof

The invention discloses a floor drain, and a mounting structure and production process thereof, and relates to the technical field of floor drains. The technical problem that the material cost advantage is too low is solved. According to the technical key points, the floor drain comprises a floor drain body, a grate plate and a blocking mechanism, wherein the floor drain body comprises a body anda mounting part arranged at the upper end of the body, wherein the mounting part comprises a first flanging part, a second flanging part, a third flanging part and a fourth flanging part. The floor drain has the advantages of reducing the material cost.
Owner:厦门盛腾发工贸有限公司

Box structure for filter

The invention discloses a box structure for a filter. In the box structure, a filter is hermetically positioned on a box separator through a sealing material, the back side of the filter faces to a cleaning chamber, and the front side of the filter faces to a ventilating port; the box separator consists of a wall separator, a horizontal separator and a filter separator, the wall separator is fixedly connected to the wall of the cleaning chamber, the filter is hermetically positioned on the filter separator, and the wall separator and the filter separator are in transitional connection by virtue of the horizontal separator; the box separator is formed by virtue of integral bending; the filter separator is a two-layer separator formed by bending, one side, close to the filter, of the horizontal separator toward the back part of the filter, then bending the side toward the direction opposite to the wall, and finally bending the side toward the front side of the filter; the filter separator separates the filter and the outside of the cleaning chamber, so that the sealing property of the horizontal separator is not good due to the requirement of assembling a baffle structure, only air in the cleaning chamber escapes out of the cleaning chamber, and the air cleanness in the cleaning chamber cannot be influenced; and the box separator is formed by virtue of integral bending, so that the production material is saved, and the productivity is improved.
Owner:康斐尔过滤设备太仓有限公司

Cleaning device for liquid crystal module terminal and cleaning method thereof

The invention relates to a cleaning device for a liquid crystal module terminal and a cleaning method thereof. The cleaning device comprises an ultrasonic spray head and a cleaning solution feeding unit, wherein the cleaning solution feeding unit provides alcohol or acetone. The cleaning device for the liquid crystal module terminal and the cleaning method thereof only need the ultrasonic spray head and the cleaning solution feeding unit, so the device has a simple structure and the cleaning cost is reduced.
Owner:上海广电光电子有限公司

Rotation valve and assembly thereof

The invention discloses a rotation valve and an assembly thereof, and relates to the field of valves. The rotation valve is used for enabling a non-rotation part to fit to the end surface of a rotation part, so that a plurality of first runners arranged on the non-rotation part are in sealing fit to a plurality of second runners arranged on the rotation part to form a communication pipe network, and therefore, switching of each pipeline in the communication pipe network is controlled by controlling rotation of the rotation part; and a rotation drive device which is matched with a rotation valve and a control system are arranged, so that automatic operation of a rotation valve assembly is realized, and working efficiency of the rotation valve is greatly improved. According to the rotation valve and the assembly comprising the rotation valve disclosed by the invention, manufacturing cost of multi-pipeline equipment and an equipment space occupation rate can be reduced; and moreover, efficient switching control on multiple pipelines also can be realized, and very high working efficiency is realized, and therefore, the rotation valve and the assembly thereof have very important popularization and application values.
Owner:CHENGDU SEPMEM SCI & TECH

Grid point making method for lenticular screen three-dimensional printed chart

The invention relates to a method for manufacturing printing dots of a lenticular grating stereoscopic printing map, which effectively solves the problems of improving the definition and stereoscopic impression of the lenticular grating printing map; the method thereof is as follows: according to the number of lines of used grating plates, the resolution of an output device, and the number of rows of laser points which are generated by each view, the number of images in accordance with the subdivision by visual angle and a printing dot manufacture model are determined; the computer is used for programming so as to obtain a printing dot generating program 3D-RIP which is implemented by the computer for obtaining the printing dot binary image of each color version; a film manuscript of the image is sent to a compositor by a laser typesetter or the printing version is output by a direct computer plate-making machine; the printing dot is output onto the film or the printing version; and by using a stereoscopic map printing method, a printing product of high definition and super-strong stereoscopic sense is obtained. The method is simple and easy for operation, greatly improves the expressive ability of the grating stereoscopic printing products, enhances the quality and competitiveness of the products, saves the production consumables, has broad application prospects, and enormouseconomic and social benefits.
Owner:THE PLA INFORMATION ENG UNIV

Carbon dioxide physically foamed radio frequency coaxial cable insulation cable core manufacturing method

The invention relates to a method for manufacturing high foaming carbon dioxide physically foamed radio frequency coaxial cable insulating cores, in particular to a production process for radio frequency coaxial cable insulating cores used in the third generation data mobile communication 3G. The production method is as follows: (1) The inner conductor of the insulating cable core is straightened, sized, and ultrasonically cleaned, and after preheating, the inner skin layer is extruded by an extruder; (2) The foaming material is prepared, which is made of high-density polyethylene, Low-density polyethylene and nucleating agent are mixed and melted into a polymer at a high temperature of 180-220°C in the extruder; (3) Liquid carbon dioxide is injected into the melted polymer in the extruder through a small hole gas injection needle under high pressure Carbon dioxide foaming agent; (4) At high temperature, through the rotation of the extruder screw, the molten polymer and carbon dioxide foaming agent are uniformly mixed; (5) The mixture is extruded on the 3G radio frequency coaxial cable through the extruder head The periphery of the inner conductor is foamed to make a foamed insulating cable core; (6) The foamed insulating cable core is made into a carbon dioxide physically foamed radio frequency coaxial cable insulating cable core after three-stage cooling treatment.
Owner:ZHONGTIAN RADIO FREQUENCY CABLE CO LTD

A spring arm type multi-point displacement gauge anchor head for soft ground

The invention relates to a spring-arm-type multi-point displacement meter anchor head for a soft soil ground layer. The spring-arm-type multi-point displacement meter anchor head comprises a center axis barrel, an outer barrel, dowel bars, a base plate and a pull rope, wherein limiting components are arranged on the outer wall of the center axis barrel; the bottom end of the center axis barrel is connected with the center of the base plate; the outer barrel sleeves the center axis barrel; the top end of the dowel bar is connected with the bottom end of the outer barrel through a bolt; the spring-arm-type multi-point displacement meter anchor head further comprises spring arm barrel mechanisms with a switch component arranged at the top end; the top end of the spring arm barrel mechanism is connected with the bottom end of the dowel bar through a bolt; the bottom end of the spring arm barrel mechanism is connected with the base plate through a bolt; one end of the pull rope is connected with the switch component; the other end of the pull rope is fixed at the top end of the center axis barrel; the center axis barrel, the base plate and the spring arm barrel mechanism adopt hollow structures; the anchor head is inserted into the soft soil ground layer when being at closed state; when the anchor head is at unfolded state, the spring arm barrel mechanism is at horizontal state, the switch component is switched on, and the top end of the spring arm barrel mechanism stretches and is inserted into surrounding soil. Compared with the prior art, the spring-arm-type multi-point displacement meter anchor head has the advantages that the settling amount of different soil layers in a soft soil area can be reliably and conveniently measured, and ground settlement monitor data can be provided for foundation pit engineering and underground engineering.
Owner:TONGJI UNIV

4TR antenna oscillator

The invention relates to a 4TR antenna oscillator which comprises a main frame body. The main frame body is provided with a phase center, a first oscillator arm, a second oscillator arm, a third oscillator arm, a fourth oscillator arm, an A feed unit, a B feed unit, a C feed unit, a D feed unit, an E feed unit and an F feed unit. The first oscillator arm, the second oscillator arm, the third oscillator arm and the fourth oscillator arm are sequentially arranged around the phase center; the first oscillator arm and the third oscillator arm feed simultaneously through the A feed unit; the second oscillator arm and the fourth oscillator arm feed at the same time through the B feed unit; the first oscillator arm and the second oscillator arm feed at the same time through the C feed unit; the second oscillator arm and the third oscillator arm feed at the same time through the D feed unit; the third oscillator arm and the fourth oscillator arm feed through an E feed unit; and the fourth oscillator arm and the first oscillator arm feed at the same time through the F feed unit. The 4TR antenna oscillator has the characteristics of simple structure, scientific design, small production consumables, light weight, low production cost and the like.
Owner:FOSHAN CITY EAHISON COMM

Die for processing special-shaped conductor

The invention discloses a die for processing a special-shaped conductor. The die comprises a circular conductor forming die, a circular conductor filling die, a plurality of special-shaped conductor forming dies, a plurality of special-shaped conductor filling dies and a wrapping layer forming die. The axis of the circular conductor forming die is a die axis. The circular conductor filling die iscoaxial with the circular conductor forming die and wraps the circular conductor forming die. The special-shaped conductor forming dies are uniformly distributed outside the special-shaped conductor filling dies in a circular shape, one special-shaped conductor filling die is arranged between every two special-shaped conductor forming dies, and the wrapping layer forming die wraps the special-shaped conductor forming dies and the special-shaped conductor filling dies. The diameter of the wrapping layer forming die is reduced from the starting end to the terminal end. According to the die for processing a special-shaped conductor, the problems that in the prior art, in special-shaped conductor cable production, the gap between adjacent conductors is large, the diameter of the cable cannot reach the expected compression value, the purpose of reducing the diameter and the cross section of the cable cannot be achieved, and the purpose of reducing cable production consumables cannot be achieved are solved.
Owner:铜陵市创威科技股份有限公司

Vibration device for stone crack repair

The invention discloses a vibration device for stone crack repair. The device comprises fixation plates, a horizontal beam, lifting air cylinders, an adhesive scraping plate, a vibration motor and a photoelectric induction switch, wherein the fixation plates comprise two vertical plates which are set in opposite directions, vertical guide rails are disposed on inner sides of the two fixation plates, the horizontal beam is erected between the two fixation plates, guide grooves are formed in two end faces of the horizontal beam, and the horizontal beam can be slid up and down along the guide rails; the vibration motor is disposed on the horizontal beam, the vibration motor is disposed at the middle part of the horizontal beam, the lifting air cylinders are disposed on two ends of the horizontal beam, the lifting air cylinders are vertically installed on the horizontal beam, and piston rods of the lifting air cylinders are connected to the fixation plates; and the adhesive scraping plate is also disposed on the bottom of the horizontal beam. The vibration device for the stone crack repair disclosed by the invention has the advantages of a simple structure, low cost, good resin permeation effects and a high rate of finished products.
Owner:上海坚睿实业有限公司

Box structure for filter

The invention discloses a box structure for a filter. In the box structure, a filter is hermetically positioned on a box separator through a sealing material, the back side of the filter faces to a cleaning chamber, and the front side of the filter faces to a ventilating port; the box separator consists of a wall separator, a horizontal separator and a filter separator, the wall separator is fixedly connected to the wall of the cleaning chamber, the filter is hermetically positioned on the filter separator, and the wall separator and the filter separator are in transitional connection by virtue of the horizontal separator; the box separator is formed by virtue of integral bending; the filter separator is a two-layer separator formed by bending, one side, close to the filter, of the horizontal separator toward the back part of the filter, then bending the side toward the direction opposite to the wall, and finally bending the side toward the front side of the filter; the filter separator separates the filter and the outside of the cleaning chamber, so that the sealing property of the horizontal separator is not good due to the requirement of assembling a baffle structure, only air in the cleaning chamber escapes out of the cleaning chamber, and the air cleanness in the cleaning chamber cannot be influenced; and the box separator is formed by virtue of integral bending, so that the production material is saved, and the productivity is improved.
Owner:康斐尔过滤设备太仓有限公司

An Anchor Head of Folding-blade Knife Multi-point Displacement Meter Used in Soft Ground

The invention relates to a folding blade knife type multi-point displacement meter anchor head for a soft soil ground layer. The anchor head comprises a middle shaft rod, a wall barrel, a base, force transfer rods and a rocking bar, wherein the bottom end of the middle shaft rod is connected with the base, the wall barrel is arranged on the middle shaft rod, the top ends of the force transfer rods are connected with the wall barrel through screws, and the rocking bar is connected with the wall barrel. The folding blade knife type multi-point displacement meter anchor head is characterized by further comprising folding blades, wherein the tail ends of the folding blades are connected with the base, the middles of the folding blades are connected with the force transfer rods, the wall barrel rotates to drive the force transfer rods to control opening and closing of the folding blades, and the middle shaft rod, the base, the folding blades and the force transfer rods are of hollow structures. Compared with the prior art, the anchor head is anchored in a folding blade cutting-in mode, can be used for casting, solidification and anchoring, is suitable for the soft soil ground layer and has the advantages of being little soil body disturbance, convenient to install, light in weight and the like.
Owner:TONGJI UNIV

High-precision digital indicating gauge and adjusting method of position precision of main gate and auxiliary gate

The invention relates to a high-precision digital indicating gauge, belonging to the field of electronic instrument manufacturing and an adjusting method of the position precision of a main gate and an auxiliary gate. The invention is characterized in that a measuring rod is slidingly connected with an upper shaft sleeve and a lower shaft sleeve in a gauge body; a display component is connected with the upper end of the gauge body in a gauge body component in a fastening manner; the lower surface of a balance plate is connected with the middle of the measuring rod by cruciform slot fastening screws, and the upper surface of the balance plate is connected with an auxiliary gate plate by connecting screws; the auxiliary gate is bonded with the upper end surface of the auxiliary gate plate; the main gate is connected with a main gate bracket by screws; the main gate bracket is connected with the gauge body in the gauge body component by fastening screws; and adjusting screws are connected with the main gate bracket. In the invention, the fastening screws and the adjusting screws can be respectively and finely adjusted according to the needs, so that the parallelism and gaps and the like of the main gate and the auxiliary gate reach accurate technical requirements. The invention is applicable to various digital percentage indicating gauges and digital permillage indicating gauges with small specifications.
Owner:GUILIN GUANGLU MEASURING INSTR CO LTD

An online control method for flexible pcb board etching process based on wet chemical etching simulation

The invention discloses an online control method of flexible PCB board etching process based on wet chemical etching simulation. The method utilizes multi-physics field finite element simulation software to construct an equivalent two-dimensional geometric model of a flexible PCB board, and establishes a multi-physics field simulation model , complete the setting of material properties, boundary conditions and initial conditions and perform simulation. By using the process parameter data that may appear in various production lines as the simulation boundary conditions, the process parameter data of various possible permutations and combinations are input into the simulation system as the simulation parameter data and the simulation calculation is performed to obtain a one-to-one correspondence between the simulation parameter data and the simulation results database. Then match the production line data collected in real time with the simulation parameter data in the database, and retrieve the corresponding simulation results. If the simulation results exceed the product indicators, stop production and adjust the process data, so as to monitor the process problems of the earlier production line. Complete online adjustment of process parameters.
Owner:WUHAN UNIV

Detonator packaging assembly

The invention discloses a detonator packaging assembly which comprises a detonator line folding device, a detonator bag manufacturing and opening device and a detonator bagging, vacuumizing and sealing device. The detonator line folding device is used for folding line ends of line handles, the detonator bag manufacturing and opening device is used for manufacturing packaging bags and opening the packaging bags, and the detonator bagging, vacuumizing and sealing device is used for filling the line handles with the bent line ends into the opened packaging bags and vacuumizing and sealing the packaging bags. According to the detonator packaging assembly, full-automatic packaging can be achieved, the detonator packaging efficiency and the detonator packaging safety can be improved, due to the fact that the detonator packaging assembly is provided with a broken line station, the two ends of the line handles can be bent, the length of the line handles is effectively reduced, the depth length of the packaging bags can be reduced, production consumables of the packaging bags are reduced, the production cost is reduced, and production resources are saved; and the line handles with short depth occupies a small space, so that storage resources and transportation resources can be saved.
Owner:DONGGUAN CHUANGZHE AUTOMATION TECH CO LTD +1

A wet chemical etching simulation-based Flexible PCB etching process online regulation and control method

The invention discloses a wet chemical etching simulation-based flexible PCB etching process online regulation and control method, which comprises the following steps: constructing a flexible PCB equivalent two-dimensional geometric model by utilizing multi-physics field finite element simulation software, establishing a multi-physics field simulation model, finishing setting material attributes, boundary conditions and initial conditions, and performing simulation. By taking process parameter data possibly appearing in various production lines as simulation boundary conditions, various process parameter data possibly permutated and combined as simulation parameter data are input into a simulation system and subjected to simulation calculation, and a database in which the simulation parameter data and simulation results are in one-to-one correspondence is obtained. Then the production line data collected in real time is matched with the simulation parameter data in the database, a corresponding simulation result is called, and if the simulation result exceeds a product index, production is stopped, and process data is regulated and controlled, so that early production line process problems are monitored, and online adjustment of process parameters is completed.
Owner:WUHAN UNIV

Method for confirming ink-supplying amount of printing machine

InactiveCN100589978CSolve the problem of ink supplyQuality improvementPrinting press partsSocial benefitsGraphics
The invention relates to a method for determining ink feeding amount of a printing machine, which can effectively solve the problem of the ink feeding amount of the printing machine. The method comprises the steps that a paste-up software is used for pasting up images, graphs and files onto one layout to create a file in the format of PDF and the PDF file is subject to a gridding processing through the Phtoshop software to generate a color TLFF image; the mathematical modeling is performed by utilizing the parameter of the printing machine and combining the image color information provided bythe color TLFF picture; the parameter and information are calculated to obtain the ink bond open value of each ink area on each color plate and the angle value of the distributer so as to build the computation model of ink area and ink amount; the computer programming is hired to obtain the ink amount generation program and the ink amount generation program is executed by the computer to obtain the atlas of ink area and ink amount; the printing machine is set to carry out the printing according to the atlas of ink area and ink amount. In the whole process, the production of datamation and standardization with convenient operation and good quality of the printing product is realized, thus saving the material and providing huge economic and social benefits.
Owner:THE PLA INFORMATION ENG UNIV

A telescopic arm type multi-point displacement gauge anchor head for soft ground

The invention relates to a telescopic arm type multi-point displacement meter anchor head applied to a soft soil stratum. The anchor head comprises a medium shaft barrel, an outer barrel which sleeves the medium shaft barrel, a first-grade force transmission rod which is connected to the bottom end of the outer barrel through a screw knob, an outer ring which sleeves the outer barrel, a bottom plate which is connected to the low end of the medium shaft barrel, a second-grade force transmission force which is connected with the outer ring through the screw knob, and a telescopic arm barrel mechanism which is respectively connected with the first-grade force transmission rod, the second-grade force transmission rod and the bottom plate through the screw knobs; the first-grade force transmission rod, the second-grade force transmission rod and the telescopic arm barrel mechanism are respectively vertically rotated about the screw knobs; the medium shaft barrel, the telescopic arm barrel mechanism and the bottom plate are all of a hollow structures. Compared with the prior art, the anchor head has the advantages that the settlement amount of different soil stratums in a soft soil area can be reliably and quickly measured, and the data for monitoring the settlement of the stratum are provided for the foundation pit engineering and underground engineering.
Owner:TONGJI UNIV

Hydraulic oil cylinder, hydraulic oil circuit, material pumping system, and engineering machinery

The invention provides a hydraulic oil cylinder used for a material pumping system. The hydraulic oil cylinder comprises a cylinder barrel, a piston and a piston rod installed in the cylinder barrel; two ends of the cylinder barrel are sealed by a first end cover and a second end cover; one end of the piston rod is arranged on the piston while the other end of the piston rod passes through the first end cover; the inner part of the cylinder barrel is divided into a first cavity and a second cavity by the piston; the invention also comprises a limit piston and a limit piston fixing rod, wherein one end of the piston rod is provided with a blind hole in which the limit piston fixing rod can be inserted; the limit piston can reciprocate on the limit piston fixing rod. The invention also provides a hydraulic oil circuit, a material pumping system and an engineering machinery. According to the technical scheme of the invention, the length of the hydraulic oil cylinder is effectively shortened, the installation space of the pumping system is reduced, the manufacture of the hydraulic oil cylinder and connection of oil pipes are facilitated, the concrete pistons are more convenient and faster to clean and replace, and the continuity of the cement pumping work and the production efficiency are enhanced remarkably.
Owner:SANY HEAVY IND CO LTD (CN)
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