2019 results about "Forming processes" patented technology

The invention relates to a plastic part forming process parameter optimization regulation and control system, in particular to the field of plastic part forming, through the synergistic effect of multiple modules, the intelligent level and stability of a forming process are remarkably improved, and the system can quickly respond to the physical property change of a new material or a new batch; intelligently generating high-adaptability initial parameter suggestions based on historical data; by fusing physical simulation and real-time sensor data, dynamic behavior characteristics of a material are accurately captured, and an enhanced characteristic vector is constructed; on the premise of strictly following the thermodynamic safety boundary, the process parameter combination is efficiently optimized to meet the complex rheological constraint; and meanwhile, closed-loop precipitation and self-improvement of process knowledge are realized according to a continuous evolution anti-disturbance control strategy of production data, rapid and accurate regulation and control in a high-frequency switching scene are finally achieved, and the consistency of forming quality and production stability of plastic accessories are greatly improved.

The invention relates to the technical field of parameter optimization, in particular to a plastic mold forming parameter optimization method and system based on big data, and the method comprises the following steps: collecting pressure data, calculating an acceleration sequence, recognizing a peak window, matching a pressure-temperature ratio, and building a combined cluster to obtain an optimization result set. According to the method, a speed increasing sequence is constructed based on the die cavity pressure change rate, a high-dynamic section is screened through a peak value ratio, automatic identification of an effective forming section is achieved in combination with continuous ratio stability judgment, forming pressure, die temperature and a cooling time sequence are collected to construct a parameter combination sequence, trend consistency is compared, and available combinations are screened; the parameter acquisition granularity, the process identification precision and the parameter group suitability are obviously improved, the problems of subjective interference and error accumulation in the parameter configuration process are effectively avoided, the objective quantitative analysis capability of the forming process state is enhanced, and the accuracy of the forming process state is improved. And the plastic mold forming process stability and the parameter configuration efficiency are improved.

The invention belongs to the technical field of high polymer material design and intelligent manufacturing, and discloses a machine learning driven epoxy resin based composite material thermal-mechanical property aided design method, which comprises the following steps: S1, data acquisition and feature construction; s2, performing feature screening; s3, constructing and training an interpretable prediction model; s4, carrying out reverse design and optimization; and S5, performing closed-loop verification and updating. According to the method, the quantitative relation of structure-process-performance is constructed through an interpretable machine learning model, and the contribution mechanism of each factor is revealed by means of SHAP analysis. And finally, reversely designing an optimal epoxy resin monomer structure and a matched curing process according to the performance target. The limitation of a traditional trial and error method is broken through, collaborative optimization of the material structure and the forming process can be achieved, and the development efficiency of the epoxy resin-based carbon fiber composite material is remarkably improved.

The present invention discloses a mold and method for thermoforming a micro-hemispherical resonator based on full mold constraint. The mold comprises a main body and a forming ball. The main body has a cavity recessed downward from its top surface, the cavity having a plurality of air holes communicating with the exterior of the main body, and the bottom of the cavity has positioning holes. The forming ball is placed in the cavity through the positioning holes. The shape parameters of the forming ball match the shape parameters of the inner cavity of the micro-hemispherical resonator. The method for thermoforming a micro-hemispherical resonator employs the above-mentioned mold to form the micro-hemispherical resonator. Compared with the prior art, the present invention utilizes a precisely machined forming ball to constrain the shape of the micro-hemispherical resonator during the forming process, thereby further improving the structural symmetry of the micro-hemispherical resonator and enabling control of the shape parameters of the micro-hemispherical resonator.

The invention relates to the technical field of composite material forming, and discloses a compression molding process optimization method of a carbon fiber reinforced composite material thin material. According to the method, multi-dimensional process parameters such as temperature gradient distribution data, pressure load change data and resin flow rate data in the compression molding process are collected in real time through a distributed sensing network; establishing a process state evaluation model to carry out initial defect feature recognition on the parameters, and generating an initial defect feature spectrum; performing defect mode matching on the initial defect characteristic spectrum based on the material characteristic database, and separating a main defect data stream from a secondary defect data stream; constructing a real-time compensation instruction set according to the main defect data flow, and synchronously driving a mold pressing equipment executing mechanism to carry out dynamic process parameter correction; the corrected secondary defect data flow is fed back to the material characteristic database to update the defect mode matching rule; and iteratively executing dynamic process parameter correction until a process convergence condition is met, and outputting a quality control report of the finally formed thin material.

The invention relates to the technical field of electrode preparation, and discloses a dry-method electrode preparation process control method and system and a storage medium. The method comprises the steps that in the rolling forming process of a dry-method electrode material, pressure roller gap data and rotation angle data of a driving motor are monitored and collected in real time, and a support vector machine algorithm is used for recognizing the transmission ratio change trend of a pressure roller system; calculating a pitch precision offset caused by wear through Kalman filtering in combination with historical wear data; when the offset exceeds the limit, an adjustment coefficient is generated based on a simulation model, and the control precision is improved through feed-forward compensation and feedback optimization; when the adjustment precision meets the process requirement, a self-adaptive parameter set is determined through dynamic deviation residual analysis, and an actuator is driven to adjust the gap between the compression rollers; and monitoring the thickness uniformity index of the electrode plate produced after adjustment in real time, and finally forming quality closed-loop control by taking the thickness uniformity of the electrode plate as a verification standard. According to the invention, the quality precision of dry-method electrode production is improved.

According to the hard process cover plate forming method capable of achieving directional control over the R angle thickness of the composite part, the carbon fiber fabric prepreg is laid on the hard cover plate forming tool to prepare a hard cover plate, and the inner R angle of the hard cover plate is compensated to adapt to R angle forming of parts with different thicknesses. By adjusting the value of the R angle in the hard cover plate, the part prepreg is prevented from being excessively extruded in the R angle in the forming process, so that glue flowing is serious, the forming quality of the R angle of the part is guaranteed, and the percent of pass of the composite material part with the R angle is effectively improved.

The invention provides a parameter monitoring method and system in a composite material preparation process based on optical fiber sensing, computer equipment and a medium, and belongs to the field of composite material detection. Center wavelength signals in the resin diversion stage are continuously collected through optical fiber strain sensors in a distributed optical fiber grating sensing array, and the distributed optical fiber grating sensing array is embedded into the multiple layers of dry carbon fiber cloth in the fiber preform in advance; the flowing position and time of the resin in the fiber prefabricated body are determined according to the minimum value of the central wavelength signal offset in the resin flow guide stage, and the flowing front edge of the composite material is constructed according to the flowing positions and time of the resin corresponding to the optical fiber strain sensors in the fiber prefabricated body. According to the method, the change of the structure state of the composite material in the resin diversion process can be continuously monitored in a complex variable-temperature environment, and the accurate monitoring of the three-dimensional resin flowing front edge in the composite material liquid forming process is realized.

The application belongs to the technical field of injection molding machines, and particularly relates to a vehicle lamp shell integrated injection molding and polishing mold and a variable temperature forming process, which comprises a front mold, a rear mold and a heating module. A forming cavity is formed in the rear mold. A spraying module is arranged in the cavity in a retractable manner. The spraying module is used for spraying a release agent to the inner wall of the cavity. The heating module is arranged in the rear mold. The heating module preheats the rear mold and evaporates the moisture of the release agent sprayed on the inner wall of the cavity. The mold further comprises a ejector pin module. The ejector pin module comprises an ejector pin plate and a plurality of ejector pins connected to the ejector pin plate. The plurality of ejector pins penetrate through the through holes on the rear mold and lead to the cavity. The spraying module is arranged on the front end side wall of the ejector pin. The spraying module sprays the release agent to the inner wall of the cavity when the spraying module retracts into the through hole along with the ejector pin. The mold can avoid the first injection material and the second injection material from being unable to be well bonded due to improper spraying of the release agent, and improve the stability of the injection molded product.

The invention discloses an aircraft fairing and a fairing body composite material integrated forming process, and relates to the technical field of aviation equipment manufacturing. The forming process comprises the following steps: 1) preparing a prepreg; (2) sectional forming; 3) a curing process; (4) demolding and trimming; 5) an assembly process; the whole of the front section, the middle section and the tail section of the fairing is of a long-size U-shaped streamline structure. According to the invention, through molecular collaborative design of fluorination modification-polysiloxane toughening-cyanate ester interpenetration, the key contradiction of a high-performance fairing material is systematically solved; ultrahigh strength and toughness are realized at the same time by utilizing in-situ nano microphase separation; a dense graphite carbon layer is generated through catalysis, so that efficient halogen-free flame retardance is achieved; by means of the partition design of molecular fluorination and surface metallization, the high wave transmission and lightning protection functions are ingeniously unified. And finally, a new generation of aircraft fairing composite material with force bearing, wave transmission, heat resistance, impact resistance and environmental stability is successfully prepared.

The invention discloses a continuous microtubule precision machining system and method. The machining system comprises a base, a feeding conveying assembly, a discharging assembly, a forming assembly and a detecting assembly, wherein the feeding conveying assembly, the discharging assembly, the forming assembly and the detecting assembly are supported on the base. The forming assembly comprises a continuous station table and a forming structure, the continuous station table is provided with a plurality of fixing holes for containing the micropipes, the projection of the forming structure on the continuous station table intersects with the running path of the fixing holes, and the forming structure reciprocates towards the continuous station table so as to form the micropipes contained in the fixing holes; the feeding conveying assembly is used for conveying the microtubes into the fixing holes of the forming assembly. The discharging assembly is used for collecting the micro-pipes formed in the fixing holes. And the detection assembly is used for performing pose detection on at least one of the microtubes in the material box, the feeding and conveying assembly and the fixing holes. According to the efficient continuous machining system and method, the forming precision of the micropipe is guaranteed, and the damage situation in the forming process is reduced.

The invention discloses a near-isothermal hot spinning forming method and a heat compensation method for a metal workpiece. The forming method comprises the steps that a blank heated to the spinning preheating temperature is transferred and clamped on a workbench, and the blank is located in an effective heat compensation area arranged in a heat compensation system; the blank is subjected to temperature measurement to judge whether the blank temperature meets the temperature before blank spinning so as to determine whether the blank is subjected to temperature compensation waiting in a heat compensation system or not; and then near-isothermal hot spinning forming is completed in a heat compensation system according to a preset spinning program, the heat compensation system continuously compensates the temperature of the blank during spinning and monitors the spinning temperature in real time, and it is guaranteed that the fluctuation range of the spinning temperature does not exceed + / -20 DEG C in the process from spinning deformation to spinning deformation ending. According to the near-isothermal spinning forming technology, spinning equipment of a measurable and controllable semi-closed active heat compensation system is utilized, and the deformation temperature of high-temperature alloy, titanium alloy and other difficult-to-deform metal materials is controlled within a small fluctuation range in the spinning process.

The application belongs to the technical field of magnesium alloy and provides a low anisotropy magnesium alloy, which comprises the following raw materials in percentage by mass: Gd 5.80-7.20 wt%, Y 0.02-2.00 wt%, Zr 0.30-0.60 wt%, Zn 0-0.60 wt%, Mn 0-0.10 wt%, Sb 0.02-0.3 wt%, Sr 0.02-0.05 wt%, Sn 0.04-0.1 wt%, and the balance being magnesium. The application also provides a method for preparing large structural parts in a short process. The application utilizes the atomic misplacement and the difference in elastic modulus between the matrix and the Gd and Y elements to improve the mechanical properties, thereby ensuring the basic performance indicators of the alloy system, and utilizes the combined action of rare earth elements and precise control of the forming process to realize the short process preparation of large structural parts.

The invention discloses a selective laser melting high-temperature preheating device with high-precision temperature control. The selective laser melting high-temperature preheating device comprises a laser; a forming cylinder; the piston is arranged in the forming cylinder in a lifting manner; the mounting plate is arranged on the piston, and a first accommodating groove is formed in the top surface of the mounting plate; the heating plate is arranged in the first accommodating groove and is provided with a heater; the forming base plate is arranged above the heating plate and is provided with a temperature sensor; the cooling mechanism is used for cooling the piston, the mounting plate, the heating plate and the forming base plate; a heat insulation plate is arranged between the bottom wall of the first containing groove of the installation plate and the heating plate. The invention further discloses a selective laser melting high-temperature preheating method with high-precision temperature control. Through the mode, the problem of cracking caused by overlarge temperature gradient in the SLM forming process is solved, the problems of low preheating temperature, low cooling speed and inaccurate temperature control of the formed substrate are also solved, the powder laser absorptivity can be improved to a certain extent, the scanning speed is increased, and the production efficiency is improved.

The invention relates to a sealing structure of a flexible waterproof FFC wire harness and a forming process, and belongs to the technical field of automobile electronic wire harness manufacturing, the sealing structure comprises an FFC wire, a connector shell, a sealing ring and a blanking cap, the sealing ring is made of a fluororubber and hydrogenated butadiene-acrylonitrile rubber composite modified material, the connector shell is made of a glass fiber reinforced PP or PA66 material, and the blanking cap is made of a glass fiber reinforced PP or PA66 material. Under the cooperation of a vulcanizing agent system and an anti-aging agent system, double-material injection molding is adopted for integral forming, and double sealing is achieved through interference fit of the blanking cap and the sealing ring. The waterproof grade of the FFC wire harness reaches IP67, the weight is reduced, the size is reduced, the production efficiency is improved, and the FFC wire harness can be widely applied to wet area scenes such as automobile door lines, ceilings and seats, has the cost advantage and the environmental protection benefit, and has remarkable industrial application value.

The invention belongs to the technical field of roll bending forming, and relates to a combined roller for forming a frame with an n-shaped section, which comprises a main wheel set and two guide wheel sets, and the two guide wheel sets are matched with the main wheel set to realize radian and trimming of a formed part; wherein the main wheel set comprises a roll bending main wheel and a roll cutting main wheel, the roll bending main wheel comprises a roll bending concave main wheel and a roll bending convex main wheel which are matched with each other, and the roll cutting main wheel comprises a roll cutting concave main wheel and a roll cutting convex main wheel which are matched with each other; the guide wheel set comprises a concave guide wheel and a convex guide wheel which are matched with each other. The invention further discloses a forming method applying the combined roller, aiming at plate frame parts with the same part wall thickness, section height and inward bending radius R and different section widths, a roll bending forming method is adopted, the roller structure and the technological method are reasonably designed, the production economy is improved, multiple sets of rollers are prevented from being machined, the occupied mold storage space is reduced, and the production cost is reduced. Meanwhile, the maintenance cost is reduced.

The invention discloses a forming method of a flash memory unit. The forming method comprises the following steps: providing a semiconductor substrate; forming a tunneling oxide layer on the semiconductor substrate; forming nanocrystalline silicon particles on the tunneling oxide layer; forming an isolation insulating layer on the tunneling oxide layer and the nanocrystalline silicon particles; and forming a control grid on the isolation insulating layer, wherein the step of forming the nanocrystalline silicon particles on the tunneling oxide layer comprises: forming an amorphous silicon layer on the tunneling oxide layer; and performing repeated seed crystal particle forming processes on the amorphous silicon layer, wherein surface annealing treatment is performed between two adjacent seed crystal particle forming processes, and an annealing process is performed after the last seed crystal particle forming process. The flash memory unit can be used for storing a large quantity of electrons, and has high performance.

The invention discloses a fiber-reinforced thermoplastic resin-based composite material based on dynamic reversible interface interaction and a preparation method and a recycling method thereof. The fiber-reinforced thermoplastic resin-based composite material comprises a modified thermoplastic resin matrix and a modified fiber reinforcement which are compounded with each other, the modified thermoplastic resin matrix and the modified fiber reinforcement are bonded and connected through dynamic bonds with dynamic reversible interface interaction. Through construction of dynamic reversible interface interaction in the fiber-reinforced thermoplastic resin-based composite material, infiltration compounding and interface bonding between a fiber reinforcement and a high-viscosity thermoplastic resin melt can be enhanced, and interface debonding and total-value recycling of the fiber reinforcement in the composite material recycling process can be effectively promoted; therefore, the bottleneck problems of poor wettability in the forming process, low bonding fastness at a heterogeneous interface, insufficient mechanical properties, low waste recovery value and the like confronted by the development of the fiber-reinforced thermoplastic composite material are effectively solved.

The invention provides a tee joint cold-pushing one-time forming device and a tee joint cold-pushing one-time forming process, and belongs to the technical field of three-pushing pipes. A three-way rack; the three-way cold pushing table is arranged at the upper end of the three-way rack; the three-way pipe placing groove is formed in the upper end of the three-way cold pushing table; the three-way forming groove is formed in the lower inner wall of the three-way pipe placing groove; the number of the hydraulic fixing devices is two, and each hydraulic fixing device comprises a clamping pressurizing block, a three-way pipe hydraulic clamping block, a three-way pipe fixing ring, a first oil groove, a front pushing block, a hydraulic oil connecting groove, a second oil groove, an oil groove partition plate, an oil groove communicating hole, a clamping inserting rod, an oil groove plugging block, a sliding-in sleeve and a sealing ring; the linearity and synchronism of the clamping action are effectively guaranteed, and deviation or clamping stagnation in the clamping process is prevented.

The invention discloses a forming process of a steel lining polytetrafluoroethylene concentric reducing pipe. The forming process comprises the following specific steps that S1, pretreatment is conducted, specifically, after a steel pipe is cut, laser rust removal is conducted, and primer containing a silane coupling agent is sprayed on the surface; s2, powder filling is conducted, specifically, a mold is placed in the center of the steel pipe, and then PTFE-containing powder is added into modified powder according to 1.3 times of the volume between the steel pipe and the mold; the steel pipe enters a sintering area after the temperature of the steel pipe reaches 200 DEG C in a preheating area, PTFE powder is melted at the temperature of 380 DEG C and is subjected to roll coating forming, gradient cooling is conducted in a slow cooling area at the speed of 5 DEG C / min, the temperature is stabilized at 260 DEG C, internal stress is eliminated, an electromagnetic induction coil is arranged in the preheating area, and microwave heating is adopted in a forming area; s4, static pressure forming; s5, reducing forming is carried out; and S6, post-treatment. The forming process of the steel lining PTFE concentric reducing pipe has the effects that the phenomenon that the lining layer is cracked or stripped after cooling is avoided, and the yield is increased.

The invention relates to the technical field of foaming, and discloses a multi-layer co-extrusion foaming buffer cotton continuous production forming process which comprises the following steps: pretreating raw materials, respectively placing polyolefin resin, biodegradable polyester and foaming agent master batch in a vacuum drying oven, drying at 60 + / -5 DEG C for 2-4 hours, controlling the water content to be less than 0.1 wt%, melting and co-extruding to obtain the multi-layer co-extrusion foaming buffer cotton. When multi-layer co-extrusion synchronous foaming is carried out, by establishing a melt pressure dynamic threshold standard and setting differential pressure control parameters for different functional layers, the stability of interface bonding of all co-extrusion layers is guaranteed, and meanwhile, melt pressure fluctuation in the supercritical fluid injection process is subjected to feedback analysis in real time; according to the method, whether the problem of abnormal fluctuation of melt pressure occurs on a co-extrusion layer interface or not can be detected in real time, the structural integrity of interlayer bonding is guaranteed, the risk of cell collapse is further reduced, and when foaming ratio mismatch is detected, temperature field distribution can be adjusted in real time according to preset gradient foaming parameters.

The invention relates to the field of metal pressure machining, in particular to metal part machining cold heading forming equipment and a forming process thereof.The cold heading forming equipment comprises a cold heading machine body, a fixed die, a movable die, a supporting sleeve and an elastic film, and the fixed die and the movable die are arranged on the cold heading machine body in a face-to-face mode; the supporting sleeve is coaxially arranged at the end, close to the movable mold, of the fixed mold, the elastic film is coaxially arranged on the inner side of the supporting sleeve, the elastic film has elasticity and is in a tensioned conical barrel shape initially, the small end of the elastic film is connected with the fixed mold, and the large end of the elastic film is connected with the supporting sleeve so as to define an oil storage cavity with the supporting sleeve and the fixed mold. During forming, cooling lubricating oil in the oil storage cavity is extruded into the cavities of the fixed mold and the movable mold to provide lubricating cooling, after forming, the movable mold is far away from the fixed mold, negative pressure is formed between the movable mold and the fixed mold, and the cooling lubricating oil in the cavities is sucked out; extrusion lubrication and replacement of cooling lubricating oil can be completed once in each cold heading process, and the lubrication effect is improved.

The application discloses a kind of stackable anti-collapse logistics appliances in the technical field of packaging box, to solve the technical problem of packaging box packing damage in prior art.The logistics appliance includes panel assembly, the panel assembly includes panel and reinforcing bracket arranged in the panel;The panel assembly is integrally formed using a blow molding process or a vacuum forming process.

The application discloses a controllable pattern injection mold, and relates to the technical field of injection molds, which comprises a mold cavity and an injection runner in communication with the mold cavity, and a pattern forming part is arranged in the mold cavity and / or the injection runner. The controllable pattern injection mold can control the pattern forming process, can form specific patterns, and can reduce production cost and make the production process more environmentally friendly.

The invention relates to a process for realizing uniform foaming of an elastic rotating body through temperature gradient control, in particular to an elastic rotating body foaming forming process which comprises the following steps: S1, raw material pretreatment and internal mixing: adopting a blend of POE (Polyolefin Elastomer) and EPDM (Ethylene-Propylene-Diene Monomer) as a main body material, mixing POE and EPDM according to a mass ratio of 6: 4-8: 2, and carrying out extrusion molding; adding 3%-15% of an anti-shrinking agent, 8%-20% of talcum powder and 5%-12% of calcium carbonate as fillers, and mixing and plasticizing for 8-12 minutes through an internal mixer at the temperature of 80-100 DEG C and the rotor rotating speed of 30-50 rpm. According to the foaming forming process of the elastic rotating body, the shaping pipe and the built-in heating pipe are arranged in the middle of the mold cavity, so that the temperature of the middle of the mold cavity is 1-3 DEG C higher than that of the upper and lower areas, and therefore, an accurate axial temperature gradient is formed, the decomposition rate of a foaming agent and the material curing process are effectively balanced, and shrinkage deformation caused by uneven temperature is inhibited.

The invention discloses a shoe sole mold additive manufacturing process, and relates to the technical field of shoe sole molds, the shoe sole mold additive manufacturing process comprises the steps of early-stage data processing, printing matrix preparation, metal 3D printing, post-processing, quality inspection and finished product mold assembly, a complex structure difficult to machine through a traditional process can be achieved, and various metal materials such as aluminum alloy, stainless steel and titanium alloy are supported; the yield and quality of the parts are improved through the high-precision forming process; meanwhile, by means of the technology, optimization design of a conformal cooling water channel and the like can be achieved, so that the performance of the mold is improved, and good cost benefits are achieved when high-cost materials are used or small-batch production is conducted.

The invention discloses a metal powder metallurgy forming process, and belongs to the technical field of metal powder metallurgy. The process comprises the following steps: preparing a metal mixture containing tungsten, copper, nickel, iron and an interface toughening agent according to a specific proportion, adding a polyvinyl alcohol aqueous solution, and uniformly stirring; carrying out compression molding on the mixture to obtain a green body; performing high-temperature sintering steps such as pre-sintering, sintering and cooling to obtain a sintered blank; and finally shaping to obtain a finished product. Compared with the prior art, the fracture toughness and elongation performance of the material are remarkably improved, innovative breakthrough is brought to a metal powder metallurgy forming process, and the method can be widely applied to the fields of aerospace, automobile manufacturing and the like to meet the requirements for high-performance metal parts.

The invention relates to the field of aircrafts, and discloses a sandwich-structured composite material mute paddle, which comprises a paddle blade, and the paddle blade is a sandwich carbon fiber laminated structure composed of an upper layer prepreg laying layer unit, a foam sandwich layer and a lower layer prepreg laying layer unit; the upper-layer prepreg laying unit and the lower-layer prepreg laying unit are each of a bionic spiral structure formed by stacking multiple layers of composite material prepreg sheets in a bionic spiral laying sequence. The invention further discloses the preparation method of the composite material mute paddle of the sandwich structure. Load can be effectively transmitted and dispersed along fiber paths in different directions in the outer-layer prepreg bionic spiral structure, so that the comprehensive rigidity, the torsional property and the damage tolerance of the paddle are improved, the material characteristics are optimized, a three-section type pressurization method is adopted, a stable external pressure environment is established in the early stage of paddle foaming, and the mechanical performance of the paddle is improved. And dynamic balance and collaborative forming of internal and external pressure in the paddle forming process are achieved.

The invention discloses a one-kiln two-line production process for energy-saving glass, and relates to the technical field of energy-saving glass plate production. A shunting pressure stabilizing chamber, a central partition wall and an electromagnetic-platinum combined stirring device are arranged at the tail end of a melting furnace, and are matched with prolonging of clarification residence time and a microbubble bubbling device, so that a highly uniform temperature field and component distribution can be obtained before molten glass enters a feeding channel, and bubbles and inclusions are fully eliminated. By means of the collaborative measure, the melt cleanliness is remarkably improved, optical defects such as stripes, stones and white points in the subsequent forming process are greatly reduced, and the appearance and the physical strength of a finished product are more reliable. By means of the Y-shaped double feeding channels and the independent temperature control tin bath, ultra-thin glass and medium-thickness glass can be produced at the same time in the same melting furnace and do not interfere with each other. The main line focuses on the flatness and the optical quality of the energy-saving glass of the building curtain wall, and the branch line focuses on the thickness control and the surface smoothness of the ultrathin energy-saving glass.