108 results about "Breakage probability" patented technology

The invention relates to an automatic dynamic adjustment method for synchronous extension of a loop of a cold rolling continuous processing line. The automatic dynamic adjustment method specifically comprises the following steps of: at a non-drift stage of an uncoiling machine, acquiring a pulse encoder signal on an inlet tension roller, calculating the actual traveling distance of strip steel and thereby judging the relative position of a weld joint and the loop, and automatically adjusting a synchronous extension set value of the loop; at a drift stage of the uncoiling machine, calculating length of strip steel to be replenished according to a target set value and a current actual value for the synchronous extension of the loop, comparing the length of the strip steel with that of the remaining strip steel on the inlet uncoiling machine, and automatically adjusting the synchronous extension set value of the loop; and finally, arranging a functional module in a cold rolling continuous processing line control system to realize an undisturbed automatic switching function of the synchronous extension set value of the loop. According to the automatic dynamic adjustment method, deviation of the strip steel in the loop can be prevented, and the strip breakage probability of the strip steel in the loop is reduced; the production efficiency of the processing line can be increased and the working intensity of operation personnel is reduced; and the disposal difficulty for strip breakage accidents in the loop can be reduced and the accident recovery time is shortened.

The embodiment of the invention discloses automation equipment for picking and placing a large-sized liquid crystal substrate, which comprises a cartridge lifting module, a cartridge pushing and pulling module, a cushion pick-and-place module and a substrate jacking mechanism. According to the embodiment of the invention, the large-sized liquid crystal substrate can be picked and placed automatically, so that the manpower is saved, the productivity is increased, and breakage probability of the liquid crystal substrate is reduced.

The invention discloses an adjustment system and an adjustment method for a printing platform of a three-dimensional printer. The system comprises a jet head unit, a printing platform supporting frame, the printing platform, a drive unit, a distance detector, a control unit and a parallelism adjusting assembly; the printing platform is arranged on the printing platform supporting frame and is provided with a plurality of detection points; the drive unit drives a jet head of the jet head unit to move; the distance detector is arranged on the jet head unit and detects multiple vertical detection height values between the jet head and the multiple detection points; the control unit controls the drive unit to move, receives the multiple vertical detection height values of the distance detector and converts the multiple vertical detection height values into a plurality of vertical adjustment height values; and the parallelism adjusting assembly comprises a plurality of adjusting and locking units, and the printing platform is adjusted to be parallel with a horizontal displacement surface of the jet head according to the multiple vertical adjustment height values. According to the adjustment system and the adjustment method, the adjustment operation can be simplified, the adjustment time can be shortened, the adjustment accuracy can be improved, the breakage probability of the jet head can be lowered, and the printing forming quality can be improved.

The invention discloses a construction method of a rock structural plane damage statistical constitutive model considering a size effect, which comprises the following steps of: firstly, simplifying astructural plane into an equivalent thin layer, and determining damage variables according to the number of damaged mesoscopic microelements and the total number of the mesoscopic microelements in the thin layer; secondly, obtaining a damage probability density function of the mesoscopic unit body; then, determining a reasonable damage initial stage, simulating the structural plane load condition, and obtaining a statistical damage constitutive model of the structural plane under the shearing effect; secondly, according to stress balance in the shearing process, determining the relation amongnominal shearing stress, effective shearing stress borne by the undamaged infinitesimal body and shearing stress borne by the damaged infinitesimal body, and obtaining a damage evolution model and astructural surface shearing deformation damage constitutive model of the structural surface in the shearing deformation process; determining parameters m and u0 of the structural plane shear deformation damage constitutive model, and establishing a structural plane shear constitutive model considering the size effect based on the nonlinear relationship between the parameters and the size; finallyverifying the correctness.

The invention relates to the glass processing field and specifically discloses a preparation process of tempered glass. The preparation process of the tempered glass comprises the steps of thermally tempering glass, and then coating the tempered glass with an anti-fog layer so that the tempered glass has an excellent anti-fog effect; besides, the tempered glass has the advantages of even surface stress distribution, high flatness, low spontaneous breakage probability in a cooling process, and the like.

The invention relates to the field of strip steel rolling production, in particular to a fixed-width trimming device and method for cold-state strip steel. The fixed-width trimming device for cold-state strip steel comprises two rows of high-pressure spray nozzles, a turning roll, a tensioning unit, a scrap cutter and a control device, wherein the two rows of high-pressure spray nozzles are arranged at the two sides of strip steel respectively in a direction consistent with the moving direction of the strip steel. The fixed-width trimming method for cold-state strip steel comprises the following steps: tensioning strip steel so that the surface of the strip steel is flat and straight and has stable tension; preparing the mixed solution for spray cutting, wherein the high-pressure spray nozzles adopt the mixed solution of industrial pure water and abrasive; and finally controlling the high-pressure spray nozzles to perform trimming by the control device. Based on the high-pressure abrasive jet cutting technology, the device and method provided by the invention realize combination of high-speed cutting and good cutting quality; and smooth-transition tracking cutting is adopted in width specification switch of the strip steel, an S-shaped track is obtained, and the breakage probability of the welded seam area is effectively reduced.

The invention discloses a gas stove. The gas stove comprises a panel, a pot frame, a decoration strip and a connecting piece, wherein the pot frame is arranged on the upper side of the panel, the lower part of the pot frame is provided with a positioning hole, and the decoration strip is arranged between the panel and the pot frame; the decoration strip is connected with the panel, one end of the connecting piece is connected with the decoration strip, and the other end of the connecting piece is detachably embedded in the positioning hole. According to the gas stove disclosed by the embodiment of the invention, the positioning and fixing of the pot frame on the panel are realized through the connecting piece and the decoration strip, holes used for positioning are not formed in the panel due to the positioning way, so that the quality requirements of the panel are lowered, a trepanning process is not needed, the manufacturing costs is lowered, meanwhile the whole structure stability of the panel is improved, the abnormal breakage is observably lowered, and the ultimate temperature difference borne by the panel is obviously increased. The structure is reliable, simple and efficient, and the gas stove is capable of effectively reducing the panel breakage probability and improving the product quality.

The invention relates to the technical field of food packaging materials and discloses a cooking film. The cooking film comprises an inner-layer film, a middle-layer film and an outer-layer film. The inner-layer film comprises a master batch, an antiblocking agent and a PPA assistant. The master batch, the antiblocking agent and the PPA assistant are mixed according to the mass ratio of 100:3:0.5. The middle-layer film and the outer-layer film each comprise a master batch and a PPA assistant, wherein the master batch and the PPA assistant are mixed according to the mass ratio of 100:0.5. The master batches of the inner-layer film, the middle-layer film and the outer-layer film each comprise HDPE, LDPE, LLDPE and MVLDPE, wherein HDPE, LDPE, LLDPE and MVLDPE are mixed according to the mass percentage of 5%:10%:40%:45%. The cooking film comprises the special material components. The cold and hot physical performance of the cooking film is improved, and the bag breakage probability in the refrigeration or high-temperature heat-seal process is greatly reduced.

The invention discloses a manufacturing method for an ultrathin capacitive touch screen. The method comprises the steps of coating a carrier plate with stripping glue; attaching a thin glass sheet tothe carrier plate through the stripping glue; making a touch circuit layer on the thin glass sheet; performing lacerating and precision carving on a combined body of the carrier plate and the thin glass sheet; and soaking lacerated units in an etching chemical liquid for performing chemical polishing. Through cooperation of two aspects of reducing the probability of generating thin and small cracks and controlling a spreading trend of the thin and small cracks, the breakage probability of the thin glass sheet is greatly reduced in the thin glass sheet making process, so that the manufacturingyield of the capacitive touch screen is greatly increased.

The invention discloses a manufacturing method for a porous powder sintered body and a preloading molded body for manufacturing the sintered body. According to the method, the aperture size of the porous powder sintered body can be controlled easily and effectively, and the breakage probability of the molded body during compression molding can be lowered. The method comprises the steps of material preparation, molding and sintering. During material preparation, according to basic raw material powder for manufacturing the porous body, first powder and second powder are used, wherein the first powder and the second powder are different in shape and size, compared with the second powder, the granularity of the first powder is smaller, the compactibility of the first powder during molding is better, and the first powder accounts for 10 percent-90 percent of the total mass of the basic raw material powder. The first powder has the characteristics of being better in compactibility and smaller in sintered aperture size, the second powder has the characteristic of being larger in sintered aperture size, in this way, after the first powder is fully mixed with the second powder, gaps formed in the second powder can be filled with the first powder, on one hand, the effect of controlling the aperture size of the sintered material is achieved, and on the other hand, the compactibility of the mixed powder is improved.

The embodiment of the invention discloses a mutual inductor calibration instrument which comprises a host machine and an auxiliary machine, wherein the host machine comprises a first wireless communication unit, a data processing unit and a first display unit; and the auxiliary machine comprises a second wireless communication unit and a second display unit. The host machine is used for conditioning, acquiring and converting signals of a mutual inductor, and the auxiliary machine is used for conditioning, acquiring and converting the signals of the mutual inductor and then transmitting the signals to the host machine through wireless communication. A ratio difference and a phase difference after the signals are compared are obtained by data operation processing of the data processing unit of the host machine. The mutual inductor calibration instrument has no need of connecting a secondary test lead, thereby reducing false wiring and lead breakage probability, improving the test safety and reliability, relieving the site workload, and improving the working efficiency and the quality.

The invention discloses a transfer box for cleaning of silicon wafers, which comprises a box body. A support is arranged in the box body and provided with at least one V-shaped groove for holding silicon wafers. By the aid of the transfer box for cleaning of silicon wafers, the silicon wafers can be stored and picked conveniently. A rubber pad covering the surface of the support is capable of reducing impact and pressure subjected by the silicon wafers when the silicon wafers are stored and picked, and sliding of the silicon wafers is avoided effectively and the breakage probability of the silicon wafers is lowered due to the design of the V-shaped grooves on the support. The width of the support is smaller than that of the silicon wafers and gripping spaces can be reserved on two sides of silicon wafers on the support, so that the silicon wafers can be stored and picked conveniently. In addition, due to the fact that the support is detachable, silicon dust left on the surface of the support can be cleaned directly without changing of water in the box body, then damages to the edges of the silicon wafers caused by silicon chips can be reduced, and high work efficiency can be achieved.

The invention relates to an intelligent 3D printer with a material wire guiding function. The intelligent 3D printer comprises a first support, a guide mechanism, a feeding mechanism, a shell, a moving mechanism, a tray, a correcting mechanism and a base. The guide mechanism comprises a driving assembly, a guide assembly, a second support, a first supporting rod and a moving assembly. The driving assembly comprises a first gear, a second gear, a first motor and a limiting block. The guide assembly comprises a guide rod, a second driving rod and an open groove. The moving assembly comprises a first driving rod, a second sliding block and a guide pipe. The correcting mechanism comprises lifting rods, a second motor, a driving shaft, a second supporting rod, a third sliding block, an oil storage groove and a pipeline. According to the intelligent 3D printer with a waste material monitoring function, abrasion of material wires is reduced through the guide mechanism, the breakage probability of the material wires is lowered, and printing efficiency of the 3D printer is improved; and due to arrangement of the correcting mechanism, the tray can be corrected automatically, correcting efficiency and precision of the tray are improved, and quality of 3D printer finished products is improved.

The invention discloses a substrate for processing a cutter and a manufacturing method of substrate and a drill bit using the substrate; the substrate is a hard alloy material; the substrate is provided with at least two alloy sections with different hardness; and the substrate is formed by integrally pressing and sintering a plurality of sections. The drill bit comprises a drill tip section and a drill body section, and the hardness of the drill tip section is more than that of the drill body section. According to the substrate for processing the cutter and the manufacturing method thereof and the drill bit using the substrate, because the substrate for processing the cutter is provided with a plurality of alloy sections with different hardness, the alloy sections with higher hardness can be used for manufacturing the cutting part of the cutter, such as the drill tip of the drill bit. In such a manner, the wear resistance of the drill bit and the drill tip can be improved, and the service life of the cutter is prolonged. The alloy sections with lower hardness can be used for manufacturing the cutter body of the cutter, such as the drill body of the drill bit. The drill body is provided with a spiral groove and bear the drilling pressure and torque, so that the toughness of the drill body can be improved by the alloy sections with lower hardness, so that the drill breakage probability of the drill bit is reduced.

The invention discloses a semiconductor film thickness measurement calibration standard sheet and a manufacturing method thereof. The calibration standard sheet comprises a wafer substrate and at least two pattern regions which are located on the surface of the wafer substrate and are of different film thickness levels. Due to the fact that the pattern regions of the different thickness levels are formed on the same standard sheet, the same standard sheet can be adopted for calibrating multiple thickness levels. Compared with the prior art, the expense for purchasing the standard sheet can be saved, the measurement use rate of a film thickness measurement table used for a product is increased, the work efficiency of operators is improved, and meanwhile the wafer breakage probability and the management and control efficiency of a wafer of the standard sheet are reduced.

The invention discloses tear-resistant absorption nano-modified rubber and a preparation method thereof. The tear-resistant absorption nano-modified rubber comprises the following raw materials: chlorohydrin rubber, nitrile-butadiene rubber, acrylonitrile-butadiene copolymer rubber, diene rubber, styrene-butadiene rubber and regenerated rubber. By the matched use of the chlorohydrin rubber, the nitrile-butadiene rubber, the acrylonitrile-butadiene copolymer rubber, the diene rubber, the styrene-butadiene rubber and the regenerated rubber as main materials, the material toughness is greatly improved, the problem of high breakage probability of a conveying belt is effectively solved, and meanwhile, gas harmful to a human body cannot be generated at a higher temperature; high temperature resistance, tear resistance and other properties are perfectly integrated, so that the tear-resistant absorption nano-modified rubber disclosed by the invention can be applied to various harsh conditions. Adopted chitosan can absorb negatively-charged bacteria as molecules are positively-charged, so that a bactericidal function is achieved; structurally, fiber membrane layers with different diameters and pores are prepared; by means of nano grapheme between a bonding layer and a layer, the porosity and the specific surface area of a composite absorption membrane are improved, and the effect is enhanced.

The invention provides a touch substrate. The touch substrate comprises a touch layer; the touch layer comprises multiple first electrodes and multiple second electrodes; the first electrodes and thesecond electrodes are insulated and crossed; the first electrodes comprise multiple first electrode units, which are arranged along the row direction and connected in sequence; the second electrodes comprise multiple second electrode units, which are arranged along the column direction and connected in sequence; the multiple first electrodes are divided into multiple first electrode sets arrangedalong the column direction; each first electrode set comprises multiple first electrodes; in each first electrode set, the first electrode units in the same column are connected in sequence; and/or, the multiple second electrodes are divided into multiple second electrode sets arranged along the row direction; each second electrode set comprises multiple second electrodes; and, in each second electrode set, the second electrode units in the same row are connected in sequence. The invention further provides a display device. By means of the touch substrate and the display device provided by theinvention, the electrode breakage probability in a touch product can be reduced; and the product stability can be improved.

A rapid assessment method for wind-induced damage to urban street trees. A simplified model of wind-induced damage to street trees is established. According to the finite element theory and assuming that the tree materials are isotropic and uniform, the material physical parameters that affect the individual dynamic behavior of trees are abstracted; at the same time, considering Due to the different tree species and growth conditions, as well as the large differences in individual tree shapes and traits, the material physical parameters in the wind-induced damage model of street trees are regarded as random variables; the input fluctuating wind speed is taken as the Davenport spectrum, and the virtual excitation method is used for rapid wind-induced response of street trees. calculate. On this basis, a wind-induced damage criterion for street trees based on flexural strength is defined, and Monte Carlo simulation is used to quickly evaluate the damage probability of street trees under different wind load levels. The invention is beneficial to more accurately and effectively predicting wind disaster damage to street trees in urban areas, and has practical significance for formulating corresponding defense measures.

The invention discloses a speed and tension control method for eliminating pole piece slipping or extension accumulative errors. The method comprises the following steps that action grades of a coating mechanism, a traction spliced belt, a tension adjusting mechanism, a winding and unwinding mechanism, a cutoff mechanism and a belt splicing mechanism are divided according to coating quality grade requirements; coating working time and non-coating working time are divided according to the divided action grades, and within the coating working time, coating is normally carried out, and the constant speed and constant tension of a pole piece are kept; and within the non-coating working time, coating is not carried out, and speed and tension adjustment of length error compensation is allowed to be carried out on the pole piece. According to the speed and tension control method for eliminating the pole piece slipping or extension accumulative errors, the coating quality cannot be affected, pole piece tension fluctuation is reduced, the pole piece belt breakage probability is reduced, the belt splicing time is saved, and the production efficiency and the production benefit are improved.