238results about How to "Guaranteed bonding quality" patented technology

The invention belongs to the technical field of composite material forming, and relates to a method for forming a frame, a stringer and a covering of composite material through integrated co-curing. The method adopts advanced temperature-resistant pressure-resistant foams to fill the inner part of the stringer, so that the stringer and the covering can be completed through one-step paving and pasting; a positioning and curing tooling for the frame is adopted, and special sharpening processing is performed on the positioning and curing tooling, so that the pressurizing problem on a joint face of the frame and the stringer can be solved, and the integrated co-curing forming of the frame, the covering and the stringer can be achieved; in addition, a rubber lining film technology is adopted, so that the pressure uniformity of the inner complicated structure and the quality of the inner surface can be ensured. The method for forming the frame, the stringer and the covering of a composite material component through integrated co-curing solves the problem of cementing interfacial effect on the joint face of the frame, the stringer and the covering in the traditional secondary cementing forming, improves the product quality, and satisfies the strength requirement of large load of the structure.

A multi-chip package device with heat sink and a fabrication method thereof are proposed. At least one first chip and at least one semiconductor package are mounted on and electrically connected to a chip carrier. Then, a heat sink is mounted via an adhesion layer to the first chip and the semiconductor package. In addition, at least one hollow part extending through the heat sink is formed in an area of the heat sink free of contact from the first chip and the semiconductor package, in order to release thermal stresses produced from the heat sink. Thereby, the package device can be prevented from being damaged during the reliability test process, and a product yield is thereby promoted.

The invention relates to the technical field of preparation of a bimetallic composite plate, in particular to a method for strongly deforming and rolling a bimetallic composite plate, and aims to solve the technical problems of low bonding strength, large residual stress and serious warpage in an existing bimetallic plate rolling method. According to the technical scheme, a manufactured bimetalliccomposite plate blank is subjected to two passes of rolling, a wave plate rolling mill is adopted for the first pass, the upper roller is a crossed corrugated roller, and the lower roller is a flat roller; and a flat roller mill is adopted for the second pass, and the upper roller and the lower roller are all flat rollers. According to the rolling method, the composite plate with good comprehensive performance of the tensile shear strength and tensile strength in the rolling direction and the transverse direction is obtained, and the residual stress distribution inside the bimetallic composite board can be obviously improved; and by adopting the novel process for rolling the bimetallic composite plate, the bonding strength of the two plates can be improved, the residual stress distribution state is improved, and the plate warpage is reduced.

The invention discloses a preparation technology of a disposable paper cup. Before printing, rectangular paper is subjected to corona treatment, the surface tension of the treated rectangular paper is 40-50 nM/m, the surface tension of the rectangular paper can meet requirements of printing during printing, printing quality is guaranteed, adhesion temperature and adhesion temperature of a paper board forming machine can be controlled, adhesion quality of the paper cup can be guaranteed, so that yield of the paper cup is guaranteed, after a finished product is formed, the disposable finished paper cup is placed in a disinfection cabinet and is disinfected for 6-8 hours and at the temperature of 100-120 DEG C, and the quality of the disposable paper cup can be improved. A cup body produced by the method is regular in appearance, market potential is huge, and the prospect is wide.

The invention relates to an automatic fusing machine for EPE pearl wool. The automatic fusing machine for the EPE pearl wool comprises a cabinet, a material conveying device, a material taking device and a heating and ironing device, wherein the material conveying device is horizontally arranged on a material discharging station of the cabinet, and a material conveying plate of the material conveying device can horizontally move to a processing station of the cabinet; the heating and ironing device is horizontally arranged on the cabinet, and a heating and ironing plate of the heating and ironing device can horizontally move to the processing station of the cabinet and is positioned over the material conveying plate moved to the processing station; the material taking device is perpendicular to the cabinet, and a material taking plate of the material taking device is arranged right above the processing station and can perpendicularly move up and down to the material conveying plate and the heating and ironing plate on the processing station; material taking needles are arranged on the bottom surface of the material taking plate at intervals. Therefore, fusing of an upper material and a bottom material of a pearl wool sheet can be automatically finished; the automatic fusing machine is suitable for fusing large-area pearl wool sheets, and the material taking needles can be used for guaranteeing stable taking and loading of the pearl wool sheet; the moving and conveying precision is high, the fusing speed is high, heating is uniform, and the fusing effect is good.

The invention discloses a pipe end groove forming machine, which comprises a central shaft, a fixed device fixedly arranged at one end of the central shaft and a groove forming device which is fixed in the middle of the central shaft, wherein the fixed device is provided with at least two crank sliding block mechanisms which have the same structure and are symmetrically arranged on the circumference of the central shaft. The groove forming machine has the advantages that: the central shaft can be positioned on a steel pipe to be machined or the inner wall of a plastic pipe by two crank connecting rod mechanisms symmetrically arranged at one end of the central shaft, at least two forming cutters are arranged on the left side face of a cutter disk, the positions of the forming cutters are adjusted according to the apertures of the steel pipe to be machined or the plastic pipe, and a driving disk is manually rotated to drive the cutter disk to rotate, so that a groove at one end of the steel pipe or the plastic pipe can be formed. The device has a simple structure, is not required to be provided with an externally-connected power device, and can finish forming the groove at one end of the steel pipe or the plastic pipe only by manual operation, ensure the welding quality of the steel pipe and the adhesive bonding quality of the plastic pipe and improve construction efficiency and reduce equipment cost.

The invention discloses sealing strip bonding equipment, and relates to auxiliary equipment of the car production process. The sealing strip bonding equipment not only guarantees the bonding quality of a sealing strip, but also improves production efficiency. The sealing strip bonding equipment comprises a storage unit, a conveying unit, a bonding unit, a cutting-off unit, a detection unit and a control unit, wherein the storage unit is used for storing the sealing strip and conveying the sealing strip to the conveying unit, the conveying unit is used for conveying the sealing strip to the bonding unit, the bonding unit is used for bonding the sealing strip to the edge of a car door, the cutting-off unit is used for cutting off the sealing strip after the car door is bonded with the sealing strip, the detection unit is used for detecting whether the car door is thoroughly bonded with the sealing strip, if yes, the cutting-off unit executes the motion of cutting off the sealing strip, if not, the cutting-off unit does not execute the cutting-off motion, and the control unit is respectively in electric connection with the other units, and used for controlling the conveying, bonding and cutting-off motions of the sealing strip. The sealing strip bonding equipment is mainly used for bonding the sealing strip.

The invention discloses a method for calibrating a concrete prefabricated wallboard installation construction datum. The method includes the following steps that (1), a construction datum calibrating device is manufactured and comprises a supporting assembly, a ruler rod and a connecting and locking assembly; (2), chalk lines are marked at the corresponding positions where concrete prefabricated wallboards are to be installed; (3), the supporting assembly is propped; (4), a laser paying-off instrument is placed above the chalk line portion and emits rays; (5), the ruler rod is connected, the side surface of the ruler rod faces toward the direction in which the wallboards are to be installed, the side surface of the ruler rod coincides with the rays, and then the side surface of the ruler rod forms the construction datum for installing the concrete prefabricated wallboards. The invention further discloses the construction datum calibrating suite device. The concrete prefabricated wallboard installation construction datum not only improves the working efficiency of installing the concrete prefabricated wallboards, but also is beneficial to ensuring the flatness of a siding wall under construction, and is more beneficial to ensuring bond quality between the wallboards or between the wallboards and corresponding vertical faces under construction.

The invention relates to the technical field of constructional engineering, and in particular relates to a method for assembling concrete prefabricated wallboards and a special mechanical device therefor. The special mechanical device for assembling the concrete prefabricated wallboards is provided with a movable underframe with movable runners, a wallboard supporting rack arranged on the movable underframe for fixedly bundling the wallboards, a vertical lifting system for respectively smoothly lifting the wallboards fixedly bundled on the wallboard supporting rack, a front-back translation system for smoothly moving the wallboards forwards and backwards, a lateral swing system for swinging the wallboards smoothly and laterally, a transverse translation system for moving the wallboards transversely, a lateral adjusting system for adjusting the perpendicularity of assembling surfaces on two sides of the wallboards, and a front elevation aligning system for adjusting the perpendicularity of the surfaces of the wallboards; according to the special mechanical device for assembling the concrete prefabricated wallboards, workers are convenient to construct the wallboards to be a wall, assembly quality and bond quality of the wallboards are effectively ensured, work efficiency of the workers for assembling the wallboards is improved, and labor intensity of the workers for assembling the wallboards is reduced.

An ultrasonic coating detection method is used to detect the coating on the matrix of parts of aero-engine. The method comprises the following steps: horizontally arranging a matrix in a water tank, wherein the coating on the matrix is face-down; adjusting the focus of a probe to make the focus fall on the bottom surface of the matrix; through a pre-fitted function curve of ratio of reflection echo signal height of ultraviolet detection equipment to defect of combination between coating and matrix, filling values into the curve to calculate the ratio, and judging the quality is qualified or not. Through the optimized ultrasonic coating detection, a set of standard values for ultrasonic detection is established. The detection can be carried out automatically and digitally. The measurement precision and efficiency are improved. The method can be applied to the non-destructive detection of aero-engines to ensure the quality of coating bonding.

The invention provides a bonding alignment precision detection method and a semiconductor device and relates to the technology field of a semiconductor. The detection method comprises steps that a first device wafer is provided, a first alignment mark is formed on the first device wafer, and the shape of the first alignment mark is annular; a second device wafer is provided, and a second alignmentmark is formed on the second device wafer; a dielectric layer is formed to cover the surface of the second device wafer on which the second alignment mark is formed, and the surface of the dielectriclayer is flush with the surface of the second alignment mark; a virtual bonding layer around the second alignment mark is formed on the dielectric layer; the first device wafer and the second devicewafer are bonded, the first alignment mark and a virtual bonding layer are aligned and bonded, and the second alignment mark is opposite to a blank area surrounded by the first alignment mark; a pattern formed by the first alignment mark and the second alignment mark is imaged to detect bonding alignment precision.

The invention discloses an improved sole pressing machine for shoemaking. The improved sole pressing machine for shoemaking comprises a shoemaking sole pressing bottom frame and a main base plate, wherein the shoemaking sole pressing bottom frame is fixed to the main base plate, a lower box body is arranged at the bottom of the shoemaking sole pressing bottom frame, the front portion of a back plate of the shoemaking sole pressing bottom frame is provided with a transverse protruding strip, a transverse groove is formed in the back side of the lower box body, the transverse protruding strip is inserted into the transverse groove in a sleeved mode, the bottom face of the lower box body is provided with a bottom face sliding groove, a sliding strip is fixed to the top face of the main base plate and is inserted into the bottom face sliding groove in a sleeved mode, a supporting plate is fixed in the lower box body and pushes an air cylinder to be fixed on the supporting plate, a push rod pushing the air cylinder upwards extends out of the supporting plate and is fixed with a lower shoe tree fixing cover, the bottom of the lower shoe tree fixing cover is inserted into a top plate of the lower box body in a sleeved mode, and a shoe tree is inserted into the lower shoe tree fixing cover in a sleeved mode. The lower box body performs front-back movement by adopting a positioning air cylinder so as to enable the lower shoe tree fixing cover and an upper shoe tree fixing cover to vertically correspond for extrusion and ensure fixed and firm bonding of shaping base materials of a sole.

The invention discloses a rolling pretreatment process of a composite board, belonging to the technical field of composite board manufacture. The rolling pretreatment process comprises the steps of: forming a combined blank; respectively forming a gas inlet and a gas outlet in two ends of an interface of the combined blank; inflating an inert gas in the interface of the combined blank through the gas inlet; plugging the gas outlet; continuously inflating the inert gas, preserving the pressure under constant pressure; heating the combined blank; connecting the gas inlet with a vacuum pump, and vacuumizing; and arranging a gas storage bag communicated with the interface of the combined blank at the gas inlet, and sealing the interface of the combined blank by the gas storage bag. According to the rolling pretreatment process, the interface of the combined blank is avoided being oxidized; and meanwhile, during hot rolling, little gas remained between the interface of the combined blank and each of two layers of stainless steel interfaces is extruded into the gas storage bag with the movement of a roll and the combined blank, and thus the remained gas is avoided separating a parting agent or oxidizing the interface of the combined blank, and the binding quality of the composite board is ensured.

The problem addressed by the present invention is inhibiting the dripping down or scraping off of adhesive when a part to be joined and a part to be joined with are bonded. This panel joining structure (10) is provided with a first panel (18) having a step part (26) extending in a direction that crosses a vertical direction and a joining part (28) extending upward in the vertical direction from one end part of the step part (26) in that crossing direction, and a second panel (14) having a facing part (36) that extends in that crossing direction and also is made to overlap the step part (26) on the upward vertical direction side, a part (38) to be joined that extends in the upward vertical direction from one end part of the facing part (36) in that crossing direction and is joined to the joining part (28) by adhesion and welding, and a downward part (40); that extends downward in the vertical direction from the other end of the facing part (36) in that crossing direction.

The invention discloses a solid rocket engine fiber-wound shell inner heat insulation layer cold bonding repairing method. The method comprises pre-treatment, repairing mature rubber sheet preparing,heat insulation layer defect treatment, repairing mature rubber sheet treatment, adhesive preparing and repairing. It is guaranteed that the surface defect of an inner heat insulation layer of a solidengine is repaired in a normal-temperature curing manner, it is guaranteed that the engine with the inner heat insulation layer defect can be continuously normally used, and the problem that due to the defect of the inner heat insulation layer, the engine cannot be normally used or is scrapped is solved; the thickness and the bonding face intensity of the repaired inner heat insulation layer meetthe requirements for the solid rocket engine fiber-wound shell inner heat insulation layer, meanwhile, the airtight performance and ablation performance of a repaired fiber-wound shell are guaranteed, and the solid rocket engine fiber-wound shell inner heat insulation layer cold bonding repairing method is suitable for repairing in the aspects that the defect depth is smaller than 5 mm, and the defect area is smaller than 5,000 mm<2>.

The invention discloses a construction method for bonding a lightweight concrete board wall. Wallboards are bonded to form the board wall in a jointed mode by the fact that elastic binders are arranged on bonding base faces of the wallboards, and therefore the construction method which allows constructing operations to be easy and convenient and is good in bonding quality among the wallboards is achieved. The board wall formed by jointing is good in sound insulation performance, crack-resisting performance, anti-permeability performance and waterproof performance. Further provided are the elastic binders and the wallboards, wherein the elastic binders are used for bonding the lightweight concrete board wall and the jointed gap bonding base faces of the wallboards are in plane shapes. According to the construction method and the elastic binders for bonding the lightweight concrete board wall, and the wallboards, and due to the fact that the wallboards are connected through the elastic binders, the quality of bonding among the wallboards in the board wall is ensured, the sound insulation performance, anti-seismic performance, the crack-resisting performance, the anti-permeability performance and the waterproof performance of the board wall are obviously improved, mutual bonding of the wallboards is plane-to-plane jointing bonding, therefore, manufacturing, storage, transport, installation and construction of the wallboards are benefited, and the board wall in a geometrical shape can be constructed by the wallboards.

The invention belongs to the field of paper cup making and in particular relates to a paper cup making process. The paper cup making process comprises the steps of 1) film spraying for base paper; 2) slitting; 3) sample pattern setting; 4) printing; 5) die cutting; 6) disinfection; 7) formation; 8) disinfection and packing; 9) storage. The paper cup making process is characterized in that: rectangular paper pieces are subjected to corona treatment before printing and the surface tension is 40-50nM/m after treatment, so that the surface tension of the rectangular paper pieces can meet the requirement of printing during printing and the printing quality is guaranteed; through the control of bonding temperature and bonding speed of a paper board forming machine, the paper cup bonding quality is guaranteed and the percent of pass of paper cups is guaranteed; the finished paper cup products are placed in a disinfecting cabinet for disinfecting treatment, the disinfecting duration being 6-8h and the disinfecting temperature being 100-120 DEG C, so that the quality of paper cups can be improved.

The invention discloses a suspended formwork supporting device for casting a lining on the surface of an underground continuous wall and a construction method. The device is arranged below the cast lining. The suspended formwork supporting device comprises a side formwork arranged vertically on the outer side of the cast lining and a bottom formwork parallel to the bottom face of the cast lining and making contact with the underground continuous wall. A horn opening for pouring concrete is formed in the upper portion of the side formwork. A powder spraying pile for supporting the bottom formwork is arranged below the side, close to the underground continuous wall, of the bottom formwork. Suspending steel bars for suspending the bottom formwork are arranged on the side, away from the underground continuous wall, of the bottom formwork. The suspended formwork supporting device has the technical beneficial effects of being good in construction operability, high in construction effect, safe, reliable, good in quality controllability and the like.

The invention discloses a bi-component solvent-free reactive polyurethane hot melt adhesive applied in electronics and household appliance industry. A polyurethane adhesive is a bi-component reactiontype polyurethane hot melt adhesive. Components contain both hydroxyl and epoxy structure and can react with terminal NCO prepolymer to generate polyoxazolidone, so that high-temperature resistance ofthe hot melt adhesive after being solidified is improved, reaction is not limited by environment, mainly humidity, and final Young modulus can reach higher than 1000MPa.

The invention provides a method for monitoring and repairing composite material curing adhesive bonding, which belongs to the field of composite material adhesive bonding repair equipment. The method is based on a composite material curing adhesive repair instrument, which includes a body, and a curing source module is provided at the adhesive repair working surface of the body, and the curing source module provides energy for the composite material prepreg to cure, and the curing The source module is surrounded by multiple temperature zones from the inside to the outside. Each temperature zone is equipped with an independent curing source for providing energy to the temperature zone. The multiple temperature zones are used alone or in conjunction with each other, and according to The shape of the damaged area of ​​the structure is determined, and the temperatures of multiple temperature zones are the same or different. The present invention is based on multi-area curing source control, establishes a uniform and stable temperature field under external field conditions, and solves the problem of avoiding excessive temperature differences. Based on the principle of heat conduction, the multi-area temperature field control technology is used to achieve uniform and stable bonding repair areas. temperature field while avoiding excessive temperature differences.