38results about How to "Solve the problem of poor fit" patented technology

The invention discloses a curing forming method and a forming die used for a non-slab composite material part. The method comprises the steps as follows: composite material part blank is arranged on a rigid die body which has the same shape with the processing shape and gluing and layer-paving are carried out according to the required dimension; after the layer-paving is finished, the composite material part blank is arranged on the rigid die body; furthermore, surfaces with plane are provided with elastic soft layers; corner pure rubber layers which are connected with elastic soft layer joint seams are arranged at corner profile so as to form a soft die surface; subsequently, vacuum bag auxiliary material is arranged on the soft die surface so as to prepare the vacuum bag curing forming composite material part. By the flexible soft die consisting of rubber-fabrics, the method arranges the composite material part blank on the surface of the soft die after the layer-paving is finished; the method for preparing the vacuum bag curing forming part solves the surface quality problems in the prior art that the non-die surface of the bag-pressing forming composite material part is crapy, accidented and has no gloss and the like, and improves the working efficiency.

The invention discloses a finite-element-based machine tool important part residual stress multi-process continuous modeling simulation method. The method comprises the steps of important part model simplification and casting system three-dimensional modeling, important part casting process finite element simulation, important part casting stress field coefficient correction, important part machining residual stress simulation, and important part thermal aging process residual stress finite element simulation. Accordingly, multi-process continuous simulation of casting, cutting and thermal aging processes are implemented; a blind hole method test measurement value serves as a reference, a stress value of an important part casting simulation corresponding point is extracted, a test value ofthe corresponding point and a correction coefficient with the minimum simulation value error are fitted by applying a least square method through MATLAB, and then the whole casting stress field datais corrected; the calculation accuracy of finite element simulation is improved, and the technical purpose that the casting stress field obtained after a beam is corrected is guided into an ABAQUS accurately is achieved.

The invention provides a crack-resistant rubber sole. The crack-resistant rubber sole is produced from, by weight, 45-80 parts of a rubber matrix, 5-45 parts of white carbon black, 3-5 parts of zinc oxide, 0.2-1.5 parts of a lubricant, 1.5-3 parts of a white smoke activator, 0-1.5 parts of a p-phenylenediamine antioxidant, 0.4-1.2 parts of rubber protecting wax, 0.5-4 parts of a thiourea antioxidant, 0-1.5 parts of a phenolic antioxidant, 0.7-1.5 parts of insoluble sulfur, 0.5-2 parts of a rubber vulcanization accelerator and 0-17.5 parts of a functional assistant; and the thiourea antioxidantis one or more of di-n-octyl thiourea, di-n-butyl thiourea, tributyl thiourea, dialkyl thiourea, difurfuryl thiourea, 2-imidazolidinethione and diethylthiourea. The crack-resistant rubber sole can effectively solve the problems of cracking, caused by lasting mechanical stress generated by lamination of the rubber sole, and flex cracking, also can solve the problem of poor adhesion of traditionalrubber soles to an EVA midsole, and can meet the requirements for basic physical properties of shoe materials.

The invention discloses a three-dimensional shoe tree model structure designing method based on different foot types. The three-dimensional shoe tree model structure designing method is characterized by including the following steps: 1, preparing materials to be graded; 2, carrying out size grading on a standard three-dimensional shoe tree model according to standard size parameters; 3, carrying out girth grading on the shoe tree model according to standard girth parameters; 4, carrying out foot arch grading on the shoe tree model according to standard shoe tree bottom center concavity values; 5, saving the materials. According to the three-dimensional shoe tree model structure designing method, a half size and a quarter size are added into original standard sizes after size grading is carried out, and the number of the shoe sizes in a shoe size system is increased to be thirty seven; meanwhile, due to the girth grading design and the foot arch grading design, the structures of the three-dimensional shoe tree model include five girth type structures and five foot arch type structures, the choices of the sizes of shoes manufactured through shoe trees manufactured through the structures of the three-dimensional shoe tree model are multiple, the number of shoe types in each size is twenty five, and the problem that the shoes are not fit with feet can be solved to the maximum degree.

The invention discloses an inflatable thin film method for preparing a micro-nano structure of a flexible thin film substrate. The method comprises the following steps: firstly, clamping the flexiblethin film substrate with an upper clamp and a lower clamp; then fixing a back plate with an inflating hole below the lower clamp; and in a contact exposure process, seamlessly and tightly fitting theflexible thin film substrate and photoresist on the surface of the flexible thin film substrate with a mask plate by using fed gas, so as to obtain the high-precision micro-nano structure. Compared with an existing technology for preparing the micro-nano structure of the flexible thin film substrate through direct contact exposure, the inflatable thin film method disclosed by the invention has theadvantages of tight fitness between the thin film substrate and the mask plate, high in line width and depth uniformity of the micro-nano structure, high in process repeatability and reliability andthe like.

The invention discloses a capacitive screen laminating method and device. The method comprises the steps of fixing a display module on a surface of a first platen, and fixing a touch panel on the surface of a second platen; or fixing the display module on the surface of the second platen, and fixing the touch module on the surface of the first platen; controlling the second platen to move towardsthe first platen and controlling the middle part of the second platen to convexly bend towards the direction of the first platen; and after the display module contacts the touch panel, laminating twosides of the second platen with the first platen, until the display module and the touch panel are laminated. Through application of the method and the device, a capacitive screen laminating effect isrelatively good.

The invention relates to an artificial intelligence technology, and discloses a marketing interface setting method based on a WEB platform, which comprises the following steps of: judging whether a user does not log in for a long time according to login information of the user on a WEB interface, analyzing a historical WEB browsing record of the user when the user logs in for a short time, and setting the WEB browsing record of the user; performing marketing display configuration on the data content of the marketing interface in the WEB platform according to the analysis result; and when the user does not log in for a long time, querying a plurality of associated users according to the user portrait of the user, analyzing the browsing records of the associated users, calculating the association weight of each associated user, and performing marketing display configuration on the data content of the marketing interface in the WEB platform according to the analysis result of the browsing records of the associated users and the association weights. The invention further provides a marketing interface setting device based on the WEB platform, electronic equipment and a storage medium. According to the method and the device, the fitting degree of contents contained in the WEB platform marketing interface and the user can be improved.

The invention discloses an SAR image ship CFAR detection method based on bilateral truncation statistical characteristics. The method comprises the steps: 1, obtaining an SAR image, setting a local sliding window composed of a target window and a background window, calculating a logarithm domain mean value, a logarithm domain standard deviation and a variation index of pixels in the background window, obtaining a truncation rule, removing the heterogeneous pixels therein; 2, performing logarithm domain mean value and logarithm domain standard deviation estimation on the reserved real sea clutter by adopting a maximum likelihood estimation method; 3, modeling the real sea clutter gray scale probability density by using logarithmic normal distribution; and 4, establishing a judgment rule according to a given detection false alarm rate, and performing target judgment on the to-be-detected pixel in the target window. According to the method, the heterogeneous pixels in the background window can be effectively removed, so that the detection rate of the ship target under the complex sea condition can be effectively improved on the premise of keeping a relatively low false alarm rate, the calculation efficiency is high, and the method has a relatively good engineering application value.

The invention discloses a trouser tailoring, press-in ironing making method, which comprises the following steps: (1) tailoring a front trouser piece, tailoring inner and outer side seams of trouser legs by adopting a cloth folding mode, and tailoring by opening a crotch; (2) tailoring a rear trouser piece, namely tailoring by a front trouser piece stacking and tailoring method; (3) performing silk tailoring on the bottom crotch cloth and the knee circumference by means of the front trouser piece and the rear trouser piece, and fixing the bottom crotch cloth and the knee circumference to the front trouser piece and the rear trouser piece through an edge warping stitching method and a serging process to form protective layers; and (4) performing press-in ironing on the front trouser piece and the rear trouser piece; wherein the press-in ironing of the front trouser piece is characterized in that a trouser piece top fly and the side hip circumference need to be drawn back, the knees of the trousers are pulled open from inside to outside, the ironing trend is an S line, and drawing back and ironing are conducted on the two sides of a stitched line; the press-in ironing of the rear trouser piece is characterized in that the drawing length of the rear crotch part is set, the front trouser piece and the rear trouser piece are folded along stitched lines, and the curvature stitched lines of the front trouser piece and the rear trouser piece can be ironed. According to the method, the drawing and tailoring efficiency is improved, and the height conformity of the trouser pieces to the body shape is improved.

The invention discloses a base with a sucker and a support. The base comprises an inverted-n-shaped base body, the sucker and a sucker lifter, wherein the sucker is mounted below the inverted-n-shaped base body, a lifting rod is arranged in the middle of the upper surface of the sucker, a through hole is formed in the middle of the inverted-n-shaped base body, the lifting rod penetrates the through hole to be connected with the sucker lifter, the support for fixing an action camera is further connected to the upper surface of the inverted-n-shaped base body, a flange is formed on the periphery of the inverted-n-shaped base body, the edge of the sucker sequentially extends upwards and inwards to form a wrapping ring, a first annular groove is formed in the outer side of the wrapping ring, the inner side of the wrapping ring wraps the flange, a fastening ring is arranged in the first annular groove, and a pinching part is arranged at the edge of the sucker. The base has the advantages that the problem that the sucker and the inverted-n-shaped base body of an existing sucker type base are not closely matched with each other is solved, the stability and firmness of the action camera using the base are increased, and the strict fixing requirement of the action camera is satisfied.

The invention relates to the technical field of medical equipment, in particular to an efficient anti-infection protective mask. The protective mask comprises a mask body, the mask body is provided with a first fitting part; the first fitting part is in an annular shape; the first fitting part corresponds to the position of the mouth of a wearer, after the wearer wears the mask, the first fittingpart surrounds the periphery of the mouth of the wearer, the first fitting part has viscidity, so that the first fitting part can be attached to the face of the user, and the inner side of the first fitting part is further detachably covered with a film coating layer. According to the protective mask disclosed by the invention, the possibility of the mask body at the periphery of the first fittingpart of moisture in exhaled air is directly avoided, so that the wearing comfort of the mask and the filtering effect of the exhaled air are greatly improved; moreover, after the mask is replaced, when the replaced mask is sterilized and disinfected, the mask body on the inner side of the first fitting part can be sterilized and disinfected mainly, so that viruses and bacteria can be completely killed.

The invention belongs to the field of auxiliary positioning tools for test loading, and particularly relates to an integral tension-compression pad curved surface line drawing plate, a design method and a using method. The design method comprises the steps that firstly, equal-thickness stretching is conducted on an aircraft surface skin in a loading point area to obtain a line drawing plate main body, and the line drawing plate main body is shaped according to the boundary of a tension-compression pad; secondly, a first groove is formed in the line drawing plate main body according to the shape of the tension-compression pad; thirdly, a second groove used for positioning is formed in the line drawing plate main body; fourthly, a third groove is formed in the outer surface of the line drawing plate main body and used for marking the number of the line drawing plate; fifthly, a fourth groove is formed in one end of the line drawing plate main body and used for marking the pasting direction of the line drawing plate; sixthly, after the line drawing plate is designed according to the first step to the fifth step, the line drawing plate is machined.

The invention discloses a transmission pole number plate mounting rack, which comprises two supporting rods, a connecting rod and a plurality of fixing clips, wherein a plurality of rectangular guide holes are formed in the supporting rods in an axial direction; one end of each supporting rod is rotatably connected to one end of the other supporting rod by virtue of a pin shaft; two ends of the connecting rod are connected to the guide hols in the two supporting rods by virtue of bolts and nuts which are matched with the guide holes; and the plurality of fixing clips are arranged at the outer side of one of the supporting rods, so that the supporting rod is fixedly arranged on an iron tower. With the application of the transmission pole number plate mounting rack disclosed by the invention, the problem that a conventional number plate rack fails to closely fit to a pole or a tower can be effectively solved and an area in contact with the iron tower can be increased; and meanwhile, through triangular bracket type stress, an effect on enhancing the stress strength of a number plate can be achieved well and the reliability of the mounting rack can be enhanced.

The invention discloses a double-sided grinder upper disc device, which comprises a frame provided with a first driving device, a moving bracket arranged on the frame and driven by the first driving device to slide up and down along the frame, The main shaft, which is driven to rotate by the second driving device, and the upper plate assembly, which is movably connected with the main shaft through joint bearings, are arranged on the moving support. The present invention has its own driving structure, which reduces the difficulty of manufacturing and processing the lower transmission main body and improves the precision of the equipment. The lifting and lowering of the upper plate and the pressurization are realized by the movement of the moving bracket driven by the cylinder on the linear slide rail, which solves the problem of unstable transmission and large vibration of the traditional upper plate device. The upper plate device adopts the joint bearing structure, so that the upper plate can be automatically fitted according to the working conditions of the lower plate, which effectively solves the problem of poor bonding of the upper plate and lower plate caused by the level difference of the lower plate, and improves the machining accuracy.

The invention discloses a mask plate, and belongs to the technical field of display. The mask plate comprises a frame and a mask support located on the frame, wherein the mask support comprises a plurality of first supporting strips and a plurality of shielding strips which are arranged on the frame, the first supporting strips and the shielding strips are arranged in a staggered manner, and firstgrooves are formed in the sides, facing an evaporation material, of the shielding strips; the mask plate further comprises at least one second supporting strip, each second supporting strip is provided with the corresponding first supporting strip, and the second supporting strips are stacked on the corresponding first supporting strips; and the mask plate further comprises a plurality of mask strips located on the frame provided with the second supporting strips. Due to the structure of the double-layer supporting strips, the supporting effect on the mask strips is improved, and the droopingamount of the mask strips is reduced. The problem that due to the fact that the drooping amount of the mask strips is large, the mask strips and a substrate are poor in attaching is solved, and the effects of reducing the drooping amount of the mask strips and improving the attaching tightness of the mask strips and the substrate are achieved.

The invention discloses a planar transformer and a power adapter and relates to the technical field of transformers. The planar transformer comprises a first magnetic core, a second magnetic core, a winding, a first fixing device and a second fixing device, the first magnetic core and the second magnetic core are oppositely arranged, the winding is arranged between the first magnetic core and thesecond magnetic core, the first magnetic core is arranged between the first fixing device and the winding, the first magnetic core is arranged between the winding and the first fixing device, the second magnetic core is arranged between the winding and the second fixing device, the first fixing device is provided with a clamping groove, the second fixing device is correspondingly provided with a clamping hook matched with the clamping groove, the winding is provided with a limiting through hole, and the clamping hook can penetrate through the limiting through hole to be clamped in the clampinggroove, so that the second fixing device and the first fixing device can be locked. The power adapter comprises the planar transformer. According to the planar transformer, the problem that the two magnetic cores are not tightly attached can be solved, and then the stability of the planar transformer is improved.

The invention discloses a medical-grade butyronitrile glove and a production process thereof, and relates to the technical field of glove production processes. The medical-grade butyronitrile glove comprises a medical glove, a wrist strap layer, a first web layer and finger layers, wherein the wrist strap layer is arranged on the outer surface of one end of the medical glove, the first web layer is arranged on the outer surface of the medical glove, the finger layers are arranged on the five fingers of the medical glove, each finger layer comprises a polyene gum wear-resistant layer, and friction force between the glove and the outside is increased through the polyene gum wear-resistant layers. According to the invention, a frosted layer is in contact with the surface of the skin, so friction force between the frosted layer and a skin contact area is increased; the interior of the wrist strap is prevented from being abraded in cooperation with a cotton textile inner connecting layer, and then the outer surface of the wrist strap layer is subjected to restorative pulling through a tension rebounding rope, so deformation of the wrist strap due to pulling is reduced; and the wrist strap has the characteristics of friction and plasticity, the problem that the wrist strap deforms when being pulled and is not tightly attached to the wrist is solved, and the effects of increasing the tightness of the wrist and preventing deformation are achieved.