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32results about How to "Guaranteed height difference" patented technology
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Color filter substrate, manufacturing method of color filter substrate and display device
ActiveCN103268037AGuaranteed height differenceReduce manufacturing costNon-linear opticsOptical elementsResistDisplay device
The invention relates to a color filter substrate, a manufacturing method of the color filter substrate and a display device. The color filter substrate comprises a substrate, a black matrix, a color filter layer and spacers; the substrate is divided into a plurality of sub pixel areas which are distributed in a matrix mode by the black matrix; and the color filter layer comprises N color resist patterns of different colors, the N>=3, the color resist patterns of different colors are circularly arranged in the discontinuous sub pixel areas in neighboring N row / line, at least one row / line of the single-color color resist patterns in the M neighboring sub pixel areas in the color filter layer simultaneously extends above the black matrix between corresponding the neighboring sub pixel areas to form a continuous strip-type color resist pattern, auxiliary spacers are arranged above the portion of continuous strip-type color resist pattern, which corresponds to the black matrix, the main spacers are arranged above a position between the neighboring discontinuous color resist patterns, which corresponds to the black matrix, and the M>=2. The color filter substrate can achieve the height difference control of the main spacers and the auxiliary spacers through a common mask plate and is low in cost.
Owner:BOE TECH GRP CO LTD +1
High thermal conductivity silicon carbide grouting material combined with sol used for bottom leveling of blast furnace
This invention belongs to refractory material field. It is concerned with a kind of high thermal conductivity silicon carbide grouting material combined with sol used for bottom leveling of blast furnace. The raw material component proportion of high thermal conductivity silicon carbide grouting material combined with sol is that 55-65% of 98 silicon carbide particle,10-20% of 98 silicon carbide powder, active a The invention discloses a novel coating material to be applied at the bottom of blast furnace with ingredients as follow: 8 to 14 percent of alumina powder, 0 to 3 percent of graphite, , 0.3 to 0.7 percent of curing agent, 0.5 to 0.8 percent of dispersing agent, and 10 to 14 percent of silica solution. The high-thermal conductivity silicon carbide pouring material described in this invention is easy to be constructed with short construction period, high thermal conductivity, high flatness, and long volume stability. Also the novel coating material is difficult to deform with strong anti-corrosion ability and without environment pollution, which is a novel coating material to be applied at the bottom of blast furnace.
Owner:中冶武汉冶金建筑研究院有限公司
Repairing method for bearing bush
InactiveCN109112536AGuaranteed height differenceEasy to useMetallic material coating processesEngineeringMetal powder
The invention discloses a repairing method for a bearing bush. The method comprises the following steps: (1) detecting a damaged part of the bearing bush; (2) washing the bearing bush, and removing anoxidation film and oil stain on the surface of the bearing bush; (3) using a coaxial carrier gas powder sending technology, sending Babbitt metal powder to the damaged part and performing laser cladding, and forming a first cladding layer; (4) performing laser remelting on the first cladding layer area; (5) performing the laser cladding on the remelted first cladding layer, and forming a second cladding layer; and (6) checking and mechanically processing. The method is capable of, through performing the laser remelting on the first cladding layer area formed by the laser cladding, performingsecondary laser cladding, and forming the second cladding layer simultaneously and metallurgically bonded with the first cladding layer and an original Babbitt metal layer. In a using process, even ifthe first cladding layer is separated from a matrix, an overall falling-off phenomenon does not occur, the normal use of the bearing bush can be still ensured, service life is prolonged, a repairingagent layer does not need to be sprayed, and cost is saved.
Owner:成都青石激光科技有限公司
Dummy comprehensive optimization method based on CMP simulation model
ActiveCN103544331AGuaranteed flatnessGuaranteed height differenceSpecial data processing applicationsMean squareEngineering
The invention belongs to the field of manufacturability design of semiconductors and particularly relates to a dummy comprehensive optimization method based on a CMP simulation model for the copper-connection dummy metal filling technology. According to the method, the height morphology of the surface of a chip after undergoing CMP is obtained through full-chip CMP simulation, and an effective hot spot region with intense height changes is obtained; step-by-step dummy filling and fast CMP simulation of local regions are carried out iteratively in the effective hot spot region to gradually eliminate hot spots; finally, it is assured that no effective hot spot exists through the full-chip CMP simulation. Compared with a dummy comprehensive method based on rules, the dummy comprehensive optimization method based on the CMP simulation model can ensure that the height deviation of a layout after dummy filling and the CMP is within a given deviation threshold, and the dummy filling amount is small. Experiments show that in the same filling amount, the mean-square error ratio of the height morphology obtained respectively through the SMDF dummy filling method and the FMF dummy filling method is 58% smaller than that of the height morphology obtained through the dummy filling method driven by density, and the dummy comprehensive optimization method based on the CMP simulation model has obvious advantages.
Owner:FUDAN UNIV
Automatic water level control switch of water supply system
ActiveCN105715525ALimited ascentGuaranteed height differencePump controlWater supply tanksWater supply networkEngineering
Owner:青岛瀚卓环保设备有限公司
Color film substrate, manufacturing method thereof, and display device
InactiveCN104977749AGuaranteed height differenceSimple processNon-linear opticsEngineeringElectrical and Electronics engineering
The present invention relates to a color film substrate, a manufacturing method thereof, and a display device. The color film substrate comprises m columns of list-structured sub-pixels and n columns of island-structured sub-pixels, wherein m>=1, and n>=1; a first black matrix is disposed between the adjacent rows of the list-structured sub-pixels, and the list-structured sub-pixels cover the first black matrixes; a second black matrix is disposed between the adjacent rows of the island-structured sub-pixels; main spacers are arranged on the list-structured sub-pixels on the first black matrixes; and the auxiliary spacers are arranged on the second black matrixes. According to the technical scheme, the main spacer and the auxiliary spacer having the same height can be formed through the same equipment or technology, due to the fact that the base of the main spacer is higher than the base of the auxiliary spacer, an upper surface of the main spacer is higher than an upper surface of the auxiliary spacer, so that the technology of manufacturing the main spacer and the auxiliary spacer is simplified when the height difference between the upper surfaces of the main spacer and the auxiliary spacer is ensured.
Owner:BOE TECH GRP CO LTD +1
Pneumatic type precise corn no-tillage planter
ActiveCN105659994ASolve the accuracy problemSolve the adjustmentAgriculture gas emission reductionSeed depositing seeder partsSeederBevel gear
The invention belongs to the technical field of agricultural machinery, and relates to a pneumatic type precise corn no-tillage planter. The pneumatic type precise corn no-tillage planter comprises a fan (1), a fan rack (2), a fertilizer box (3), a three-point hanging mechanism (4), an active anti-blocking mechanism (7), a general stander (8), a parallel four-connection-rod seeding mechanism (9), an air pressure distribution pipe (5) and a depth control mechanism (6), wherein the four-connection-rod seeding mechanism (9) further comprises a tension spring adjustment ring (29), a stop piece (37) and a lower parallel four-connection-rod limiting mechanism (38); and the depth control mechanism (6) comprises a depth control mechanism mounting plate (46), a depth control mechanism rotating shaft (47), a spring fixing pin (48), an adjustment spring (49), a depth control mechanism adjustment handle (50), a limiting plate (51), a depth control wheel (52), a first depth control mechanism bevel gear transmission box (17) and a second depth control mechanism bevel gear transmission box (56). The planter integrates the active anti-blocking mechanism, a pneumatic type planter and seeding profiling.
Owner:CHINA AGRI UNIV
Durable low-cost automatic water level control switch
InactiveCN105840475ALimited ascentGuaranteed height differenceOperating means/releasing devices for valvesService pipe systemsWater level riseEngineering
The invention discloses a durable and low-cost automatic water level control switch. The water level control switch is arranged on a fixed plate. A hole is arranged in the middle of the fixed plate. A lifting part is fixed on the fixed plate. The upper part of the upper part is provided with a spring leaf, the lifting part includes a fixed cylinder and a lifting tube inside the fixed cylinder, the floating part includes a sealed bucket fixed under the bottom plate, a gravity floating body is arranged in the bucket, and a vertical connection is fixed on the gravity floating Rod, when the water level rises, the connecting rod drives the lifting tube to rise and the top plate touches the spring piece, and the switch is disconnected; when the water level drops, the upper pressure plate of the connecting rod presses down the spring piece, and the switch controls the operation of the water pump. Using this switch can reduce the cost of human resources, no need Waiting for water supply can reduce the cost of the water supply system and facilitate popular use.
Owner:郭菲
Automatic change-over switch
The invention discloses an automatic change-over switch. Automatic change-over is realized through matching of a single circular shaft and a transmission plate; the transmission plate is rotationally arranged on the circular shaft, and a spring on one side presses against the transmission plate by using elasticity, so that the transmission plate on the other side is tightly matched with circuit breakers arranged below the transmission plate, and the structure ensures that different circuit breakers with height difference can be matched with the automatic change-over switch; a toggle support of which the position can be adjusted is arranged on the transmission plate, switching handles of the circuit breakers of different models have vertical position difference, and the vertical positions of the switching handles can be conveniently adjusted through the toggle support arranged on the transmission plate through screws to match the circuit breakers; and the in-place condition of the vertical position of the transmission plate is detected through a micro switch, so that the switch-on-off conditions of the circuit breakers can be learnt in real time.
Owner:ZHEJIANG XIANDAI ELECTRIC
Clamping device for cover of wind power gear box
PendingCN111890086AImprove stabilityGuaranteed radial positioning accuracyPositioning apparatusMetal-working holdersWind powerMachining
The invention discloses a clamping device for a cover of a wind power gear box, and belongs to the technical field of machining. The clamping device for the cover of the wind power gear box comprisesa first base, a second base, a first clamping unit, a second clamping unit, a first pressing unit, a second pressing unit and an adjustment unit, wherein the first base and the second base are slidably connected with a worktable separately and can support the cover; the first clamping unit and the second clamping unit are arranged on the first base and the second base respectively and used for positioning of a first bearing hole and a second bearing hole respectively; the first pressing unit and the second pressing unit are slidably connected with the worktable and used for pressing the upperend faces of the first bearing hole and the second bearing hole respectively; and the adjustment unit is arranged on the worktable and can abut upon the edge of the bottom surface of the cover to support and adjust the height of the cover. The clamping device for the cover of the wind power gear box is high in universality, improves the production efficiency and reduces the production cost.
Owner:NANJING HIGH SPEED GEAR MFG
Sintering method for powder metallurgy brake pad
ActiveCN112024873AImprove braking effectReduce scrap rateFriction liningActuatorsMetallurgyBrake pad
The invention provides a sintering method for a powder metallurgy brake pad. The sintering method comprises the steps that at least one high-temperature-resistant tray is provided, at least one cavityis formed in each high-temperature-resistant tray, a bottom face and an avoiding structure are arranged in each cavity, and the avoiding structures contain protruding structures and cylindrical coreson avoiding back plates; the high-temperature-resistant trays are installed in a sintering furnace in a reducing gas atmosphere; the brake pad obtained after cold press molding is placed in the cavities; at least one pressing plate is provided; the pressing plates are placed in the cavities above friction blocks; pressure acts on the pressing plates so that the pressing plates can press the friction blocks, and the pressure is maintained within a set temperature range; and the high-temperature-resistant trays and the brake pad are slowly cooled together, and then the brake pad is taken out ofthe high-temperature-resistant trays. According to the sintering method for the powder metallurgy brake pad, the product performance and quality are effectively improved, and the product consistencyand reliability are guaranteed.
Owner:SHANDONG GOLD PHOENIX
Sticky coal blending combustion bi-directional feeding device
The invention discloses a sticky coal blending combustion bi-directional feeding device and belongs to the field of sticky coal blending combustion feeding devices. The sticky coal blending combustion bi-directional feeding device comprises a coal bunker, two discharging ports are symmetrically formed along the axis of a bottom plate of the coal bunker, the lower portion of each discharge port is connected with a coal dropping pipe, and the bottom ends of the two coal dropping pipes communicate with each other. A splitter plate is arranged above the two discharging ports, and the two ends of the splitter plate are fixed to the side walls of the coal bunker. The coal bunker is internally provided with a rotary cutting body, the rotary cutting body comprises a base body and three cutters symmetrically arranged along the center of the base body, a power system is arranged below the center of the bottom plate of the coal bunker, and the power system is connected to the center of the base body. Materials in the coal bunker are alternately pushed by the rotary cutting body into the coal dropping pipes, the space for original materials is supplemented with materials on the upper portion under the action of gravity, first come first go of the materials is achieved, linking control is matched, a feeding device channel is kept smooth all the time, the materials come while the other materials go, and quantitative blocking preventing is achieved.
Owner:河南濮润智能机械工程有限公司
Automobile front upper component assembly structure
ActiveCN111703508AHigh strengthIncrease stiffnessSuperstructure subunitsOptical signallingEngineeringHeadlamp
The invention relates to an automobile front upper component assembly structure which comprises a front upper component body, a radiator upper mounting plate connected to the rear surface of the frontupper component body, a front bumper right mounting bracket, a front bumper left mounting bracket and a front collision cross beam; the middle of a middle beam is connected with the middle of the front lower edge of the front upper component body through a connecting plate; the upper end of a middle cross beam support is vertically connected with the middle part of the middle cross beam, and thelower end of the middle cross beam support is vertically connected with the middle part of the front collision cross beam; a right mounting bracket and a left mounting bracket which are used for mounting a through type front transverse lamp are arranged on the middle cross beam; and the front bumper right mounting bracket and the front bumper left mounting bracket are respectively connected between the front upper component body and the middle cross beam. The structure has the function of mounting a front bumper, a front cover lock and a radiator, also has the function of mounting the through-type front transverse lamp, and ensures that the through-type front transverse lamp and the left and right headlamps meet the requirement of matching design tolerance.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Steel plate position adjustment device using magnetism attraction method, and construction method thereof
PendingCN107570939AImprove weld gradeAchieve height changeWelding/cutting auxillary devicesAuxillary welding devicesHeight differenceMagnet
The invention relates to a steel plate position adjustment device using a magnetism attraction method, and a construction method thereof. The steel plate position adjustment device comprises a first magnet 1, a second magnet 2, a first steel plate 7 and a second steel plate 8, and is characterized by further comprising a movement device. The first steel plate 7 is attracted by the first magnet 1.The second magnet 2 is connected with the movement deice. The second steel plate 8 is attracted by the second magnet 2. The second steel plate 8 attracted by the second magnet 2 is driven by the movement device to move upwards or downwards so that the height difference between the second steel plate 8 and the first steel plate 7 can be adjusted. According to the steel plate position adjustment device using a magnetism attraction method, and the construction method thereof, the movement device can be adjusted to move upwards or downwards to drive the second steel plate to move upwards or downwards, height difference welding of the first steel plate and the second steel plate is realized, welding is finer, and the weld joints of steel plate welding are upgraded.
Owner:JSTI GRP CO LTD +1
Track mounting structure
InactiveCN102442517AGuaranteed height differenceGuaranteed positionConveyorsHeight differenceMechanical engineering
The invention provides a track mounting structure, which can guarantee height difference of a track in stopping and rotating and the normal position of a heated glass bar placed on a molding press die, and enables the heated glass bar to enter the die accurately and easily. The track mounting structure comprises a track which is supported on a support through track wheels on two sides, and the track wheels are connected with a power transmission device. The track mounting structure is characterized in that a pawl-ratchet structure is arranged on the side of one of the two track wheels.
Owner:WUXI DANGKOU TONGHE TEXTILE MACHINERY PLANT
Silicon wafer processing device and method
InactiveCN110364463APrecise processingImprove flatnessSemiconductor/solid-state device manufacturingConveyor partsHeight differenceMechanical engineering
The embodiment of the invention provides a silicon wafer processing device and method. The silicon wafer processing device comprises an annular mold, a polishing head and a mold pad, wherein the polishing head includes a central control area and an edge area arranged around the central control area, and the edge area of the polishing head is attached and connected to the axial end face of the annular mold; the central control area of the polishing head is provided with an adjustment structure; the mold pad is located in the annular mold and is arranged in a mode of being independent from the annular mold, the first end face of the mold pad is attached and connected to the adjustment structure, the adjustment structure is used for driving the mold pad to move towards a first direction or asecond direction opposite to the first direction along the axial direction of the polishing head to adjust the height difference between the annular mold and the mold pad, the second end face, which is opposite to the first end face, of the mold pad forms an accommodating space with the inner wall of the annular mold, a silicon wafer is arranged in the accommodating space, and the first end face of the silicon wafer is attached and connected to the second end face of the mold pad. Therefore, the phenomenon of edge tilting or edge collapse of the silicon wafer in the grinding process can be prevented, and the flatness of the silicon wafer is improved.
Owner:XIAN ESWIN MATERIAL TECH CO LTD +1
Straightening roll adjusting device
InactiveCN103691767AGuaranteed straightening accuracyMeet the requirements of finishing and straighteningEngineeringThrough transmission
The invention relates to a straightening roll adjusting device which is applied to a high-strength ultrathin plate strip finishing line. The straightening roll adjusting device comprises a support, wherein a lower roll seat is arranged at the lower part of the support; a plurality of lower straightening rolls which are distributed at intervals are rotatably arranged on the lower roll seat; the outer surfaces of the lower straightening rolls are located on the same plane; upper straightening rolls are arranged at the upper part of the support; a straightening space is formed between the upper straightening rolls and the lower straightening rolls; each upper straightening roll is correspondingly arranged on one upper roll seat; screw rods are rotatably arranged on the support; the number of the screw rods and the number of the upper roll seats are identical; the screw rods and the upper roll seats are matched in a one-to-one way; a connecting rod is vertically arranged corresponding to each screw rod; one end of each connecting rod is correspondingly connected to one upper roll seat; the other end of each connecting rod is provided with a worm gear which is matched with the corresponding screw rod through transmission; the connecting rods are in screw thread fit with the worm gears. The straightening roll adjusting device is simple in structure, reasonable in design, and capable of adjusting the height difference among the upper roll seats, ensuring that the working faces of the upper straightening rolls are always located on the same plane, and meeting the finishing and straightening requirements of a high-strength ultrathin plate.
Owner:CHANGZHOU JINAN METALLURGICAL EQUIP
Overhead Rigid Catenary Temperature Compensation Device
Owner:CHINA RAILWAY HIGH SPEED ELECTRIFICATION EQUIP CORP LTD
An automobile front upper member assembly structure
ActiveCN111703508BHigh strengthIncrease stiffnessSuperstructure subunitsOptical signallingEngineeringPhysics
The invention relates to an assembly structure of a front upper component of an automobile, which comprises a front upper component body, a radiator upper mounting plate connected behind the front upper component body, and also includes a front protection right installation bracket, a front protection left installation bracket and a front collision beam The middle part of a middle beam is connected with the middle part of the front lower side of the front upper member body through the connecting plate; the upper end supported by a middle beam is vertically connected with the middle part of the middle beam, and the lower end supported by the middle beam is perpendicular to the middle of the front collision beam connection; the middle beam is provided with a right installation bracket and a left installation bracket for installing the through-type front cross light; the front protection right installation bracket and the front protection left installation bracket are respectively connected to the front upper member body and the middle between the beams. The present invention has the function of installing the front bumper, the front cover lock and the radiator, and also needs to have the function of installing the through-type headlights, and ensures that the through-type headlights and the left and right headlights meet the matching design tolerance requirements.
Owner:CHONGQING CHANGAN AUTOMOBILE CO LTD
Compressor with compression pump body support member
ActiveCN102953996BAvoid leaningGuaranteed height differenceRotary/oscillating piston pump componentsLiquid fuel engine componentsVapor–liquid separatorCompression Pump
Owner:GREE ELECTRIC APPLIANCES INC +1
Automatic change-over switch
The invention discloses an automatic change-over switch. Automatic change-over is realized through matching of a single circular shaft and a transmission plate; the transmission plate is rotationally arranged on the circular shaft, and a spring on one side presses against the transmission plate by using elasticity, so that the transmission plate on the other side is tightly matched with circuit breakers arranged below the transmission plate, and the structure ensures that different circuit breakers with height difference can be matched with the automatic change-over switch; a toggle support of which the position can be adjusted is arranged on the transmission plate, switching handles of the circuit breakers of different models have vertical position difference, and the vertical positions of the switching handles can be conveniently adjusted through the toggle support arranged on the transmission plate through screws to match the circuit breakers; and the in-place condition of the vertical position of the transmission plate is detected through a micro switch, so that the switch-on-off conditions of the circuit breakers can be learnt in real time.
Owner:ZHEJIANG XIANDAI ELECTRIC
A pneumatic corn precision no-tillage seeder
ActiveCN105659994BEnsure broadcast depth consistencyStable jobAgriculture gas emission reductionSeed depositing seeder partsMechanical engineeringAgricultural machinery
Owner:CHINA AGRI UNIV
Petal extract mooncake and preparation method thereof
ActiveCN114223694AIncrease the fragranceGreat tasteSolid solvent extractionModified nutritive productsBiotechnologyPullulan
The invention belongs to the technical field of food, and particularly relates to a petal extract mooncake and a preparation method thereof. The petal extract mooncake comprises a wrapper material and stuffing containing petal extracts. The petal extract is prepared by water extraction, organic phase extraction and fractionation drying, and dried organic extraction powder is collected and mixed with water extraction powder; the preparation method comprises the following steps: chopping and sieving raw materials to obtain a primarily crushed material, wrapping the primarily crushed material with gauze, performing steam smoking and cooking, blending the primarily crushed material with mung bean paste, pullulan, eggs and a petal extract to obtain stuffing, making the stuffing and a wrapper bag into a rough blank, pressing the rough blank into a moon cake blank through a mold, putting the moon cake blank into an oven, and performing low-temperature baking to obtain the moon cake. And heating and baking, and cooling to obtain the moon cake product. Petal active substances dissolved in water and ethanol are separated from solids through an ultrasonic atomization technology, the petal extract is obtained after condensation, and the fragrance and taste of the mooncake can be effectively improved by adding the petal extract into the mooncake.
Owner:KUNMING GUANSHENGYUAN FOOD CO LTD
A powder metallurgy brake pad sintering method
ActiveCN112024873BImprove braking effectReduce scrap rateFriction liningActuatorsPressure - actionPowder metallurgy
Owner:SHANDONG GOLD PHOENIX
Knife carriage drives for slitting machines
ActiveCN106112089BDoes not affect insertionGuaranteed height differenceShearing machinesShearing toolsPush and pullControl theory
The invention discloses a tool rest drive device of a splitter. The tool rest drive device comprises a base, a tool shaft support arranged on the base in a sliding manner, a lower tool shaft rotationally borne on the tool shaft support, a spline shaft fixed to the shaft end of the lower tool shaft, a motor frame fixed to the base, and a servo motor fixed to the motor frame; a sliding base is in sliding connection to a sliding rod fixed to the motor frame, the base is in screw joint with a limiting screw used for abutting against the sliding base to prevent downward sliding of the sliding base, a sliding shaft sleeve is fixedly arranged in the sliding base, and the sliding shaft sleeve is internally provided with a spline sleeve in a clearance fit manner, and the spline sleeve is connected with the spline shaft; at least two drive rods are fixedly arranged at the flange end portion of the spline sleeve; and the drive rods are connected with grooves in a drive block fixed to the output shaft end of the servo motor. The tool rest drive device is simple in structure, connection of the lower tool shaft and a motor shaft can be rapidly finished by directly pushing and pulling a tool rest, the replacing operation of the tool rest is greatly facilitated, and the tool rest replacing time is saved.
Owner:WUXI LEAD INTELLIGENT EQUIP CO LTD
A color filter substrate, preparation method and display device
ActiveCN103268037BGuaranteed height differenceReduce manufacturing costNon-linear opticsOptical elementsDisplay deviceComputer vision
Provided are a color filter substrate, a manufacturing method, and a display apparatus. The color filter substrate comprises: a substrate (1), black matrixes (3), a color filter layer (4), and spacers (6). The black matrix (3) divides the substrate (1) into multiple sub pixel regions distributed in a matrix mode. The color filter layer (4) comprises N color photoresist patterns with different colors, N being greater than or equal to 3, the color photoresist patterns with different colors are circularly disposed in discontinuous sub pixel regions in neighboring N rows / columns, and at least one row / column of the single-color color photoresist patterns in the M neighboring sub pixel regions in the color filter layer (4) extends above the black matrix (3) between corresponding neighboring sub pixel regions to form a continuous strip-type color photoresist pattern, M being greater than or equal to 2. The spacers (6) comprise a main spacer (61) and an auxiliary spacer (62). The main spacer (61) is disposed above a position between the neighboring discontinuous color photoresist patterns, which is corresponding to the black matrix (3). The auxiliary spacer (62) is disposed above a portion of the continuous strip-type color photoresist pattern, which is corresponding to the black matrix (3).
Owner:BOE TECH GRP CO LTD +1
Auxiliary tool for front-and-back semitrailer tank base fixed-position welding and using method
ActiveCN106862847AGuaranteed coincidenceImprove product qualityWelding/cutting auxillary devicesAuxillary welding devicesFriction weldingGeneral assembly
The invention discloses an auxiliary tool for front-and-back semitrailer tank base fixed-position welding and a using method. The auxiliary tool comprises a lifting saddle and a four-wheel saddle. The lifting saddle comprises a supporting base and a lifting mechanism and is used for adjusting the height of a front tank base during calibration. The four-wheel saddle comprises a base, wheel assemblies, stand columns and upper end cross beams and is used for supporting a rear tank base during calibration. The using method includes the steps that S01, the lifting saddle and the four-wheel saddle are manufactured; S02, level calibration is performed at the operation site of the front tank base and the rear tank base of a semitrailer; S03, the front tank base and the rear tank base are integrally hoisted in place; and S04, tank bodies and the corresponding tank bases are assembled. The auxiliary tool for front-and-back semitrailer tank base fixed-position welding and the using method have the advantages that coincidence of the central planes of the tank bodies and the central planes of the tank bases in the assembling process of the tank bodies and the tank bases is guaranteed; the degree of freedom and flexibility of the tool are high, the tool is suitable for positioning the front and rear tank bases of various dimensions, the positioning dimensions can be ensured when tires and leaf springs are assembled on a semitrailer product general assembly line, and the ex-factory pass rate of semitrailer products is increased; and the operating steps are simplified, the degree of automation is increased, working time is shortened, and production cost is reduced.
Owner:ANHUI XINGMA SPECIAL PURPOSE VEHICLE
3D concrete printing path planning method for realizing inclined top surface
PendingCN114851346AHigh feasibilityHigh precisionGeometric CADAdditive manufacturing apparatusStructural engineeringDigital mockup
The invention provides a 3D concrete printing path planning method for realizing an inclined top surface. The 3D concrete printing path planning method comprises the following steps: constructing a 3D digital model for 3D printing of a concrete building component; performing equal-interval gradient segmentation between the top surface and the bottom surface of the three-dimensional digital model to obtain a gradient whole-layer variable plane of the whole three-dimensional digital model; the three-dimensional digital model is vertically divided along the Z axis, k + 2 segmentation lines are obtained, and each whole-layer variable plane is divided into k + 1 ranges by the segmentation lines; adding a segmented interlayer between every two layers of whole-layer variable planes, wherein the interlayers are located in the k ranges close to one side of the highest point of the three-dimensional digital model; and taking a path obtained after primary segmentation and secondary segmentation as a 3D concrete printing path. According to the method, the conditions of infirm interlayer bonding and interlayer dislocation can be effectively avoided, meanwhile, the height distribution of each layer of concrete printing material in the 3D printing process is more reasonable, transition is more uniform, and the effect of a printed finished product is better.
Owner:无锡荷清数字建筑科技有限公司
A dummy synthesis optimization method based on cmp simulation model
ActiveCN103544331BGuaranteed flatnessGuaranteed height differenceSpecial data processing applicationsMean squareEngineering
The invention belongs to the field of manufacturability design of semiconductors and particularly relates to a dummy comprehensive optimization method based on a CMP simulation model for the copper-connection dummy metal filling technology. According to the method, the height morphology of the surface of a chip after undergoing CMP is obtained through full-chip CMP simulation, and an effective hot spot region with intense height changes is obtained; step-by-step dummy filling and fast CMP simulation of local regions are carried out iteratively in the effective hot spot region to gradually eliminate hot spots; finally, it is assured that no effective hot spot exists through the full-chip CMP simulation. Compared with a dummy comprehensive method based on rules, the dummy comprehensive optimization method based on the CMP simulation model can ensure that the height deviation of a layout after dummy filling and the CMP is within a given deviation threshold, and the dummy filling amount is small. Experiments show that in the same filling amount, the mean-square error ratio of the height morphology obtained respectively through the SMDF dummy filling method and the FMF dummy filling method is 58% smaller than that of the height morphology obtained through the dummy filling method driven by density, and the dummy comprehensive optimization method based on the CMP simulation model has obvious advantages.
Owner:FUDAN UNIV
Auxiliary tooling and application method for positioning welding of front and rear half-hanging tank seats
ActiveCN106862847BGuaranteed coincidenceImprove product qualityWelding/cutting auxillary devicesAuxillary welding devicesGeneral assemblyPass rate
The invention discloses an auxiliary tooling for the positioning welding of the front and rear semi-hanging tank seats and its use method, including a lifting saddle and a four-wheel saddle; the lifting saddle includes a support seat and a lifting mechanism, and is used for adjusting the height of the front tank seat during calibration ;The four-wheel saddle includes the base, the wheel assembly, the column and the upper end beam, which is used to support the rear tank seat during calibration; the method of use is the production of S01 lifting saddle and four-wheel saddle; S02 semi-trailer front and rear tank seat work site Horizontal calibration; S03 front and rear tank bases are hoisted in place as a whole; S04 tank body and tank base are paired. The advantage of the present invention is to ensure that the center plane of the tank body coincides with the center plane of the tank seat during the assembly process of the tank body and the tank seat; The positioning size is guaranteed when assembling tires and leaf springs on the assembly line, and the qualified rate of semi-trailer products is improved; the operation steps are simplified, the degree of automation is improved, the processing time is shortened, and the production cost is reduced.
Owner:ANHUI XINGMA SPECIAL PURPOSE VEHICLE
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