47results about How to "Improve bonding quality" patented technology

The invention discloses a manufacturing method of a micro-channel heat dissipation chip, and relates to the technical field of semiconductor processing and packaging, and the method comprises the steps: providing a first wafer, forming a micro-channel structure on the surface of the first wafer, and filling the micro-channel structure with a first supporting layer; a second wafer is provided, a water inlet and a water outlet are formed in the second wafer, the surfaces of the first wafer and the second wafer are bonded, and a micro-channel radiator wafer is formed; filling the water inlet / outlet with a second supporting layer, wherein the surface of the second supporting layer is flush with the first surface of the micro-channel radiator wafer; providing a chip wafer, and bonding the second surface of the micro-channel radiator wafer with the first surface of the chip wafer to form a bonded chip wafer; and removing the first supporting layer and the second supporting layer to obtain the micro-channel heat dissipation chip. According to the invention, the heat dissipation performance and the bonding quality of the wafer can be improved.

This invention provides a fixture for controlling the adhesive thickness of Heilbeck magnetic components. The mounting base includes a station, a push rod moving mechanism, and a pressure rod moving mechanism. The station is used to place a fixture plate with a placement slot for holding the magnetic components. The magnetic components include a fixed magnet and a movable magnet, with adhesive dots positioned between them. The push rod moving mechanism includes a first drive unit and a push rod. The first drive unit drives the push rod to move the movable magnet along the placement slot, closer to the fixed magnet, and controls the adhesive dot spacing between the movable and fixed magnets. The pressure rod moving mechanism includes a second drive unit, an elastic element, a primary pressure rod, and a secondary pressure rod. The length of the primary pressure rod is greater than the length of the secondary pressure rod. The second drive unit drives the primary pressure rod to pre-press and fix the fixed magnet, preventing it from being sucked away. The second drive unit also drives the primary and secondary pressure rods to apply pressure to the fixed magnet and the movable magnet, respectively. This fixture is used to control the adhesive thickness and improve the quality of the magnetic components.

The utility model discloses a bonding device for lining paper production equipment, which comprises a base, and the top of the base is fixedly connected with a support frame. Through cooperation of the base, the supporting frame and the winding roller, the winding roller is convenient to replace, lining paper is convenient to wind, production efficiency is improved, dust and other impurities on the lining paper can be sucked away in time before the bonding process through a dust suction system composed of the portal frame, the dust collector, the flow divider, the dust suction head and the dust collection box, and the bonding quality of the lining paper is improved. According to the lining paper gluing device, impurities are prevented from affecting the gluing effect, the gluing quality is improved, then a bearing frame, a bearing plate, a lifting groove, a lead screw, a lifting block, a sliding block, a rotating shaft and a gluing roller are matched, the lead screw is driven by a lifting motor to enable the gluing roller to ascend and descend, and the lining paper gluing device can adapt to lining paper of different thicknesses; glue pumped out by the glue pump in the liquid storage tank can be uniformly coated on lining paper, and the bonding effect is ensured.

This utility model relates to the field of aerogel thermal insulation felt processing technology, specifically an adaptive roller coating device for aerogel thermal insulation felt. It includes a carrier block, with a fixed frame fixed to the top of the carrier block. An electric push rod is fixed to the middle of the top of the fixed frame, with its push rod movably passing through the fixed frame and fixedly connected to a retainer. A hollow roller is rotatably mounted inside the retainer. A hot air blower is fixedly mounted on one side wall of the fixed frame, and the output end of the hot air blower is fixedly connected to a first conduit. The outer end of the first conduit is connected to a hollow short shaft via a rotary joint. The hollow short shaft passes through the retainer and communicates with the roller. This utility model generates hot air through the hot air blower and guides the hot air into the inner cavity of the roller, thereby giving the roller a certain base temperature. During the roller coating process, the heat can be transferred to the coating, thus improving the adhesion quality between the coating and the substrate during roller coating.

This invention belongs to the field of high-content ceramic / metal composite material preparation technology, specifically relating to a high-fatigue-strength B4C / Al composite material and its preparation method. This invention employs chemical vapor deposition to generate CNTs in situ on the surface of micro / nano-scale B4C particles. These CNTs are then thoroughly mixed with aluminum alloy powder, and a billet is prepared using SPS plasma discharge sintering equipment. After grinding and polishing, the billet is processed using a high-frequency current rolling test bench to obtain a high-fatigue-strength B4C / Al composite material. This invention aims to improve the interfacial bonding quality of ceramic / metal composite materials and inhibit harmful reaction products through the modification effect of CNTs; the addition of high-frequency current-assisted rolling enhances the fatigue resistance of the composite material, resulting in a B4C / Al composite material with excellent comprehensive performance.

The application discloses a battery pack, which comprises: a plurality of battery modules arranged in sequence; a partition plate arranged between two adjacent battery modules; the partition plate is provided with a fixing support on a surface facing the battery module; the horizontal part of the bottom of the fixing support is provided with a convex part, and the horizontal part and the convex part are made of elastic material; the vertical part of the fixing support on both sides is in a strip shape and is made of hard material; and an adhesive is filled in a space formed by the partition plate, the fixing support and the battery module to bond and fix the partition plate and the battery module. The vertical part made of hard material is used to control the compression amount of the horizontal part and the convex part, so that the gap size between the fixing support and the battery module is kept consistent, which can not only ensure that the adhesive amount filled between the partition plate and the battery module is the same, but also ensure that the coverage area of the adhesive is the same, so that the resonance frequency and the stiffness of the battery pack cannot be reduced.

The application relates to the field of loudspeaker assembly, and discloses an automatic production line for an external-magnet loudspeaker, which comprises a rack, a conveying line, a drying chamber, glue dispensing heads, a pressing plate and an assembling mechanism arranged on the rack. A plurality of supporting assemblies are arranged on the upper surface of the conveying line along the conveying direction. The two glue dispensing heads are arranged on the two adjacent assembling assemblies. The assembling mechanism comprises assembling assemblies and positioning assemblies. The three assembling assemblies are arranged on the two adjacent assembling assemblies. The five positioning assemblies are arranged below the three assembling assemblies and the two glue dispensing heads. The assembling assemblies are used for transferring the parts of the external-magnet loudspeaker to the supporting assemblies. The positioning assemblies are used for making the center lines of the parts of the external-magnet loudspeaker clamped by the assembling assemblies and located above the supporting assemblies, the center line of the supporting assemblies and the center lines of the parts of the external-magnet loudspeaker located on the supporting assemblies coincide.

A semiconductor package assembly process that uses a self-aligned die-to-wafer bonding process that aligns interconnects of a semiconductor die with corresponding interconnects of a wafer. A surface preparation process assists in the accurate alignment of the die and the wafer. The surface preparation process serves to define a liquid confinement region that helps ensure accurate alignment. Additionally, the surface preparation process helps ensure that the bonding surfaces of the wafer and the die are smooth and free of debris, which enhances the quality of the bonds between the interconnects of each component. When the surfaces of the wafer and the die have been prepared, the self-aligned die-to-wafer bonding process utilizes surface tension to align the interconnects of the die with the interconnects of the wafer.

The application discloses a PMMA micro-fluidic chip packaging method, mainly comprising the following steps: providing a PMMA micro-fluidic chip to be packaged; adding phase change material into a micro-fluid channel of a chip bottom plate after the phase change material is heated to a molten state; covering a layer of solvent on a bonding surface of the chip bottom plate after the phase change material is cooled and solidified; aligning a chip cover plate with the chip bottom plate and combining the chip cover plate with the chip bottom plate, the solvent infiltrating the bonding surfaces of the chip bottom plate and the chip cover plate and forming a liquid bridge between the chip bottom plate and the chip cover plate, the chip bottom plate and the chip cover plate being automatically aligned according to a contour by a horizontal directional component force of the liquid bridge force; and after standing until the bonding is completed, heating the micro-fluidic chip to melt and blow out the phase change material in the micro-fluid channel, and completing the packaging. Furthermore, the application also provides a PMMA micro-fluidic chip formed by the packaging method. The application realizes the packaging of the PMMA micro-fluidic chip by one-step method, does not need to rely on external expensive equipment, is simple to operate, has high alignment precision and good bonding quality.

According to the welding method and device of the electronic device, the electronic equipment and the storage medium, the method comprises the steps that firstly, the real-time deformation value of a welding area of the electronic device is obtained in the welding process of the electronic device; if the real-time deformation value is within the preset deformation threshold range, the ultrasonic power of the ultrasonic generation unit is calculated based on the preset deformation value, the real-time deformation value and a preset proportionality coefficient, and the current pressure compensation serves as the first pressure compensation of the pressure compensation unit; wherein the preset proportionality coefficient is used for proportionally adjusting the deformation deviation between the real-time deformation value and the preset deformation value. And finally, the welding pressure applied to the welding area by the pressure compensation unit is compensated and adjusted according to the first pressure, ultrasonic vibration energy emitted by the ultrasonic generation unit in the welding process is adjusted according to the ultrasonic power, and device deformation in the welding process is effectively restrained through cooperative regulation and control of the pressure and the ultrasonic energy. And the welding interface bonding quality and the welding quality are improved.

The application belongs to the technical field of mechanical devices, and specifically provides a device for bonding annular copper-clad strips in a spherical fairing, which comprises a spherical fairing, an annular copper-clad strip, a bottom glue coating device and a surface glue coating device; the bottom glue coating device comprises a base one, an upper stop block one, a lower stop block one and a positioning ring one, and the surface glue coating device comprises a base two, an upper stop block two, a lower stop block two and a positioning ring two; the device solves the problem that the bonding position of the existing annular copper-clad strip on the spherical surface in the spherical fairing is difficult to determine, and the position and width of the glue solution cannot be controlled; and the device realizes accurate control of the bonding position of the surface glue of the annular copper-clad strip, the position and width of the glue solution.

This invention discloses a seed crystal oxidation structure to prevent oxidation of single-crystal superalloys during directional solidification, aiming to effectively suppress surface oxidation of the seed crystal during directional solidification. To this end, the seed crystal oxidation structure provided by this invention includes a ceramic mold shell, in which a seed crystal is fitted into the seed crystal cavity of the ceramic mold shell. The top of the seed crystal is covered by an alloy spacer, the melting point of which is lower than that of the seed crystal.

The application discloses a non-developable curved surface bonding uniform pressing device and a uniform pressing method, relates to antenna cover and mold technology, and comprises a rigid outer frame, an inner cavity with an upper and lower opening, a top plate arranged on one side of the opening of the rigid outer frame and in sliding connection with the rigid outer frame, external load being introduced based on the upper end surface of the top plate, a flexible closed capsule accommodated in the inner cavity of the rigid outer frame, the inside of the flexible closed capsule being filled with a phase change medium with a shear thickening effect, the lower surface of the flexible closed capsule being in contact with a curved surface workpiece to be bonded, and a vibration excitation module fixed to the rigid outer frame and / or the flexible closed capsule and used for applying mechanical vibration to the phase change medium so that the medium triggers the shear thickening effect of the medium under the mechanical vibration. The application can make the bonding surface rubber layer of the non-developable curved surface antenna cover be uniformly distributed, and significantly improve the service stability of the aircraft antenna cover.

This application belongs to the field of cigarette manufacturing technology, specifically relating to a glue application device for bonding filter tip forming paper, including a mounting bracket mechanism, a hot melt glue gun, and a forming paper glue application mechanism; the mounting bracket mechanism is used to fix the glue application device; the hot melt glue gun is set at the top of the mounting bracket mechanism and is used to apply hot melt glue for bonding the forming paper. One end of the glue nozzle has two sets of glue outlet holes, which are used to apply glue lines for bonding the overlapping joints of the forming paper and for bonding the forming paper to the filter element, respectively. Controlled by the opening and closing of a solenoid valve, the glue liquid is squeezed out from the glue outlet holes on both sides of the glue nozzle to form two sets of glue lines, while the hot melt glue gun independently applies a third set of glue lines, realizing triple bonding function. The structure is simplified, the cost is reduced, it is suitable for large-scale industrial applications, supports hot melt glue of various viscosities, is flexible in operation, does not require frequent shutdowns for cleaning, has stronger adaptability, the solenoid valve is a standard part with a long service life, the glue nozzle fixing design reduces wear, the equipment operates stably, and requires virtually no maintenance.

This utility model relates to a repair structure for a bucket elevator conveyor belt, comprising a base belt, side guards, cross partitions, and fasteners. A side guard base is bonded to the top of the base belt. Corrugated side guards are symmetrically arranged on the side guard base, and cross partitions are provided between the side guards on both sides, so that adjacent cross partitions and side guards together form a bucket seat. An adhesive layer is provided between the base belt and the side guard base. Fasteners are fixed within the corrugated section of the side guard's skirt for repairing and connecting the side guard base to the base belt. This utility model has a simple structure and strong practicality, effectively solving the problems of belt bucket seat detachment and cracking from the base belt in existing large-angle corrugated side guard conveyor belt structures. It also provides high repair quality, reduces the failure rate, and effectively achieves cost reduction.

The application provides a CMOS-MEMS integrated pressure sensor and a preparation process thereof. The pressure sensor comprises a bonded MEMS wafer and a CMOS wafer; a bonding sealing area and a PAD vertical interconnection structure in the bonding sealing area are arranged between the MEMS wafer and the CMOS wafer; the bonding sealing structure is formed by eutectic bonding of a metallization layer and a metal solder ball formed in corresponding bonding areas of the two wafers, and the bonding sealing structure surrounds a sensitive element to form a sealed cavity; the PAD vertical interconnection structure comprises conductive bumps respectively formed on the two wafers, the two conductive bumps are aligned with each other and bonded, and electrical interconnection between the MEMS wafer and the CMOS wafer is realized. The electrical interconnection of the pressure sensor realizes monolithic integration, not only improves the problems of increased signal transmission loss, reduced detection precision caused by additional parasitic resistance, capacitance and inductance introduced by wire bonding, and external noise interference, but also improves the service life and reliability, and reduces the size of the chip.

This invention discloses a monolithically integrated complementary inverter for GaN HEMT and its fabrication method, relating to the field of semiconductor technology. The inverter includes an n-channel and a p-channel enhancement-mode GaN HEMT, both laterally distributed on a common epitaxial layer of the same substrate. A two-dimensional dielectric layer, a graphene layer, and an isolation dielectric layer are sequentially disposed above the epitaxial layer. The source and drain electrodes of the p-channel device are located in grooves after etching the isolation dielectric layer and the graphene layer, with the gate groove etched into the P-GaN layer. The source and drain electrodes of the n-channel device are located in grooves etched from the epitaxial layer to the bottom of the barrier layer, with the gate electrode located above the unetched P-GaN layer. Isolation between devices is achieved through isolation trenches extending into the buffer layer. By introducing a two-dimensional dielectric layer and a graphene layer, this invention induces a two-dimensional hole gas at the P-GaN interface, significantly increasing the hole carrier concentration, solving the performance bottleneck of p-channel devices, and realizing high-speed, low-power monolithically integrated complementary logic.

The utility model discloses a reinforced well cementation casing centralizer tool, the main body structure adopts the seamless steel pipe of spring steel, after cutting, the integral main body structure of further processing is formed after the integral processing, the upper sleeve and the lower sleeve of accommodating and sleeving in casing are located in the upper and lower both ends, and the multiple centralizing ribs of longitudinal arrangement between the upper sleeve and the lower sleeve and in the middle part, multiple centralizing ribs are arranged on the outer peripheral surface of upper sleeve and lower sleeve along the circumferential direction of upper sleeve and lower sleeve and are integrally formed connection with upper sleeve and lower sleeve, and the centralizing rib is outwardly inclined from the upper and lower both ends to the axis of casing, and a stress groove is arranged in the middle position of each centralizing rib to increase the reset force after deformation, and the fluid flow channel is formed between the adjacent two centralizing ribs, and the brush is fixed on the outside of upper sleeve and lower sleeve, and the brush is in contact with the well wall to destroy and remove the well wall mud cake. The application can ensure that the casing can smoothly enter the well, and improve the well cementation quality.

The utility model discloses a fixing device for stone bonding, which belongs to the technical field of stone bonding and comprises a frame, two bonding plates are arranged in the frame, opposite sides of the two bonding plates are fixedly connected with supports, and a bonding component is arranged between the two bonding plates. According to the stone cleaning device, the bonding assembly is arranged, the motor drives the two bonding plates to be close to each other through the first lead screw, the cleaning roller makes contact with the stone surface of the bonding roller, meanwhile, the first belt wheel drives the transmission shaft to rotate through the second belt wheel, the worm drives the worm wheel to rotate, and the second lead screw drives the cleaning box to ascend; the cleaning roller and the bonding roller are used for cleaning the surface of the stone, coating the adhesive and removing dust and other impurities on the surface of the stone, so that the adhesive can be fully and uniformly coated on the surface of the stone, the bonding strength is remarkably improved, poor bonding is prevented, and the bonding quality is improved.

The application relates to the technical field of clothing bonding machines, in particular to a clothing bonding device with controllable bonding pressure, which comprises a workbench and a base plate installed above the workbench, a frame is fixedly connected to the top of the workbench, two guide assemblies are arranged on the inner side of the frame, and a pressing plate is arranged between the two guide assemblies; the clothing bonding device can be used for adjusting the bonding force on the clothing by setting a bonding assembly, a driving assembly, a base plate, a plate-type pressure sensor and a display, and the hand wheel drives the worm to rotate to engage the worm gear, so that the stud can be threadedly driven in the worm gear, the position of the bonding plate can be changed, the bonding force on the clothing can be adjusted when the clothing is pressed and bonded, the bonding force on the clothing can be adjusted, the bonding quality of the clothing is improved, the plate-type pressure sensor and the display can display the pressure at the moment, the clothing bonding pressure can be adjusted to an appropriate force, and the staff can observe, so that the bonding force on the clothing can be conveniently controlled.

The utility model relates to the technical field of bonding equipment, and discloses a bonding machine for a pearl wool production line, which comprises two symmetrical conveying support frames, a transmission belt used for reciprocating conveying is arranged between the two conveying support frames, and a rack of which the upper part is matched with the transmission belt is arranged on the side surface of the transmission belt; positioning units used for positioning the first to-be-bonded piece and the second to-be-bonded piece are arranged at the two ends of the transmission belt, a first telescopic device which has a telescopic effect and is located above the middle of the transmission belt is arranged on one side of the rack, an adsorption base is fixedly installed at the telescopic lower end of the first telescopic device, and a plurality of suction cups are arranged on the lower portion of the adsorption base; and a glue dipping groove is formed in the rack. According to the pearl wool bonding device, two pieces of pearl wool are firstly positioned through the positioning unit and then are driven through the transmission belt, one piece of pearl wool is dipped with bonding glue through the cooperation of the driving unit and the first telescopic device, and the efficiency and quality of bonding the pearl wool are improved through double-station operation.

The application discloses a wafer surface activation bonding device and a bonding method, and relates to the technical field of wafer processing. The device comprises a clamp, a movable support rod and a bombardment particle emission device. The clamp comprises oppositely arranged first and second sample holders, and the first and second sample holders are each provided with a hard nonmetal back plate. Two wafers to be bonded are fixed on the hard nonmetal back plate, and the surface area of the two wafers to be bonded that is in contact with each other is a bonding area, which is surrounded by the surface of the hard nonmetal back plate. The movable support rod is arranged at least on the outer side of any one of the first and second sample holders, so that relative extrusion between the first and second sample holders is realized, and the bonding area of the surfaces of the two wafers to be bonded is fully contacted under the action of pressure. The bombardment particle beam spot emitted by the bombardment particle emission device uniformly covers the bonding area of the two wafers to be bonded. The application can effectively avoid the introduction of metal contamination at the bonding interface, and has the advantages of simple process, good compatibility and the like.

The application provides a hydraulic steam clothing bonding equipment for fashion design and a use method, and belongs to the technical field of fashion processing. The equipment comprises a vertical rack, a lower pressing plate and an upper pressing plate arranged on the vertical rack for pressing square pieces of clothing, and a shaping part, a heating part and a heat reducing part. The shaping part comprises four groups of movable supports, each of which is provided with a Y-shaped lifting support, and each of the four groups of Y-shaped lifting supports is provided with a fixer for clamping a right-angle end of the square piece of clothing. The fixer comprises two symmetrically distributed T-shaped clamping pieces. The four groups of movable supports, the Y-shaped lifting supports and the fixers work cooperatively, and the fixers are filled with flexible capsules containing cold air, so that the four corners of the cloth can be clamped uniformly in a flexible manner, forming an efficient heat exchange structure mainly using liquid cooling and supplemented by air cooling, and effectively preventing shrinkage deformation and warping caused by uneven natural cooling.

The utility model discloses a production equipment of bridge main cable heat insulation material. Including operation platform, it is used for arranging material to be processed, first roller axle, its installation is in first support and is connected with motor drive through drive unit, to drive material to be processed to go forward after starting the motor, second roller axle, is provided with adhesive tape roll on it and is installed on second support, third roller axle, its winding the protective paper of adhesive tape roll and is installed on third support, is used for tearing open the protective paper of adhesive tape roll, and fourth roller axle, its installation is in fourth support and is arranged above material to be processed, and it has the gap of the interval for adhesive tape through between material to be processed, is used for exerting to stick the pressure, to make adhesive tape bonding on material to be processed. The production equipment of bridge main cable heat insulation material provided by the utility model has the advantages of small floor space, high bonding efficiency, stable pressure in the bonding process and high bonding quality.

The invention discloses a polyurethane edge-sealed rock wool composite board and a preparation process thereof, and belongs to the technical field of composite board production. The technology comprises the steps of uncoiling, edge cutting, profiling, gluing, pressing and edge sealing, curing, cutting and the like. The gluing mechanism comprises two supporting plates, a first driving motor, a first ball screw and a movable rod are arranged on the supporting plates, the end of the movable rod is connected with a glue storage box, and glue spraying heads opposite in vertical direction are installed on the surface of the glue storage box and spray glue to the upper surface and the lower surface of the rock wool board and the opposite surface of the metal sheet correspondingly. The first driving motor drives the glue spraying head to reciprocate to realize uniform gluing; the conveying mechanism comprises a movable plate, a plurality of rotating rollers with protruding blocks are installed on the side face of the movable plate, and a third driving motor drives the rotating rollers to rotate synchronously to actively convey the rock wool board. The device is further provided with a leveling guide roller and an automatic tensioning mechanism. Multi-surface synchronous uniform gluing and active stable conveying are achieved, damage to surface fibers of the rock wool board is avoided, and the bonding quality and the production efficiency are improved.

The invention belongs to the technical field of composite materials, and particularly relates to a titanium-based composite material of a bionic layered structure and a preparation method and application of the titanium-based composite material. The titanium-based composite material is prepared from the following chemical components in percentage by mass: 88.0%-92.0% of a Ti element, 6.2%-7.5% of a Cr element, 0.6%-0.9% of a B element, 0.6%-1.0% of a C element and inevitable impurities, and the total percentage is 100%. A material containing a Ti element, a material containing a Cr element, a material containing a C element and a material containing a B element are subjected to vacuum suspension smelting and casting of a (TiC + TiB) / Ti composite material cast ingot, the obtained (TiC + TiB) / Ti composite material cast ingot is subjected to homogenization, hot rolling and annealing composite process treatment, then the annealed (TiC + TiB) / Ti composite material cast ingot plate is used as a reinforcing layer, a TC4 titanium alloy plate is used as a toughness layer, and the TiC + TiB / Ti composite material cast ingot is subjected to heat treatment. Alternately laminating and placing; and finally, the high-toughness titanium-based composite material of the bionic layered structure is obtained through vacuum hot-pressing diffusion bonding. The high-strength and high-toughness titanium-based composite material has high strength and high plasticity at the same time.

The utility model discloses a bonding tool for a composite material co-curing test panel, which comprises an equipment bottom box, the top surface of the equipment bottom box is provided with a bearing groove in a penetrating manner, the inner bottom surface of the equipment bottom box is fixedly connected with a supporting column, the top end of the supporting column is fixedly connected with a supporting disc, the edge of the bearing groove in the top surface of the equipment bottom box is fixedly connected with a bearing ring, and the bearing ring is fixedly connected with a supporting plate. A bearing strip is arranged between the supporting disc and the bearing ring in the radial direction, an adjusting sliding groove is formed in the bearing strip in a penetrating mode, an adjusting sliding block is slidably connected into the adjusting sliding groove, and a clamping groove column is fixedly connected to the top face of the adjusting sliding block. The relative positions of the four groups of bearing strips and the positions of the clamping groove columns can be flexibly adjusted through the sliding fit of the bearing strips, the outer sliding grooves, the outer sliding blocks, the inner sliding grooves and the inner sliding blocks and the sliding of the adjusting sliding blocks in the adjusting sliding grooves.

The application discloses a medium wide-band rolling mill supporting roller and a centrifugal composite casting method thereof, and belongs to the technical field of metallurgical rolling; and solves the quality problems of the existing technology, such as peeling caused by poor combination of the working layer of the roller body, insufficient strength of the roll neck and fracture, etc. The wide-band rolling mill supporting roller comprises an outer layer, an intermediate layer and a core portion from outside to inside; the outer layer is made of 45Cr4NiMoV steel, and the intermediate layer and the core portion are made of nodular cast iron. The centrifugal composite casting method of the medium wide-band rolling mill supporting roller comprises the following steps: step 1, smelting and slag washing of the outer layer molten steel; step 2, refining and pouring of the outer layer molten steel; step 3, smelting, inoculation and pouring of the intermediate layer molten iron; step 4, stopping and assembling; step 5, smelting, spheroidizing inoculation and pouring of the core portion molten iron; and step 6, quenching and tempering heat treatment. The medium wide-band rolling mill supporting roller has the advantages of low production cost, short production cycle, high accident resistance, etc.

The invention discloses honeycomb paper protective sleeve synthesis equipment with a multi-station rotary table. The honeycomb paper protective sleeve synthesis equipment comprises a rack, and a storage device, a honeycomb strip feeding device and a honeycomb strip pulling device are arranged on the two opposite sides of the rack; the honeycomb strip pulling device is provided with a group of stretching and unfolding mechanisms which alternately suck honeycomb strips and convey the honeycomb strips at fixed points, the honeycomb strips are stretched and unfolded after being sucked, and the unfolded honeycomb strips are downwards pressed to the multi-station turntable honeycomb strip bonding device by a pressing mechanism; the multi-station rotary table honeycomb strip bonding device integrates honeycomb strip overturning, glue spraying, folding, attaching and forming and discharging, and a plurality of protective sleeve overturning and attaching components of the same structure are distributed on the circumference of a rotary table of a rotary table rotating mechanism of the multi-station rotary table honeycomb strip bonding device and used for assisting the operation. A plurality of functional modules such as storage, feeding, stretching and unfolding, multi-station turntable integrated type overturning, glue spraying and attaching, automatic discharging and the like are creatively integrated into one set of equipment, and a mechanical structure is combined with pneumatic and electric control, so that full-automatic and continuous production of the honeycomb paper protective sleeve is realized.