160 results about "Manufacturing cell" patented technology

The invention relates to the technical field of control of manufacturing units, in particular to a composite material rod piece winding tension dynamic compensation control method and system. The method comprises the following steps of: calculating an instantaneous linear velocity pulsation quantity caused by the change of a non-circular section contour of a core mold at each moment; according to the dynamic elastic modulus and the equivalent viscosity coefficient, calculating a phase correction factor for representing the viscoelastic response lag of the prepreg tape at each moment; based on the instantaneous linear velocity pulsation quantity and the phase correction factor at each moment, a dynamic compensation torque instruction is obtained, and the dynamic compensation torque instruction is in negative correlation with the phase correction factor; and the dynamic compensation torque instruction is output to the tension unwinding motor, so that the adjustment of winding tension is realized, the accuracy of tension dynamic compensation control is effectively improved, and the product quality is effectively improved.

The invention relates to the technical field of manufacturing and order splitting, in particular to an order splitting method and system based on discrete manufacturing and a storage medium. The method comprises the following steps: obtaining task flow data of a manufacturing execution unit, collecting information of a machining part of the manufacturing unit, and executing order splitting processing of the machining part to generate order splitting data; evaluating the matching deviation condition based on the split data, detecting the dynamic fatigue accumulation condition of the cutter, and predicting the progressive imbalance trend of the function of the cutter; further measuring the cutter path deviation degree and the spindle vibration increasing condition, and calculating the part machining precision reduction degree; and finally, comprehensively analyzing the abnormal condition of the order splitting suitability, realizing the optimization management of the order splitting data, and outputting the optimized processing part order splitting data. According to the invention, the split order is optimized, so that the distribution of the manufacturing split order is more accurate.

A manufacturing system including an automated storage and retrieval system (ASRS) structure with a three-dimensional array of storage locations distributed throughout a two-dimensional footprint of the ASRS structure at multiple storage levels; workpieces stored within the storage locations of the ASRS structure; robotic storage / retrieval vehicles (RSRVs) navigable within the ASRS structure in three dimensions to access the storage locations, and multiple manufacturing cells positioned outside the ASRS structure, is provided. The manufacturing system includes a track structure attached to the ASRS structure and defining one or more travel paths traversable by the RSRVs from the ASRS structure. The same fleet of RSRVs that is navigable within the ASRS structure is operable to deliver the workpieces to the manufacturing cells. One or more of the manufacturing cells are positioned along the track structure, thereby receiving convenient access to the workpieces along with associated tool pieces and workpiece supports for manufacturing goods.

A method and system for manufacturing containers are disclosed. The system includes one or more manufacturing cells comprised of an unloading station, a queuing / sequencing station, a heating station, an unloading station, and a molding station. The queuing / sequencing station utilizes a plurality of carrier shuttles configured to traverse a platform comprised of a plurality of induction coil sections. Each of the carrier shuttles is provided with a preform mount for receiving a preform thereon. The preforms are selected and the carrier shuttles are arranged in accordance with a predetermined sequence. At least one heater of the heating station is disposed over one of the induction coil sections and adapted to heat the preform. The heated preforms are transported by the carrier shuttles from the heating station to an unloading station, which transitions them to the molding station for a fluid (e.g., gas or liquid) blow molding operation to form the containers.

To visually display the manufacturing statuses of products manufactured through a plurality of manufacturing processes in order and changes of process characteristic factors caused in the manufacturing processes, a visualization system according to an embodiment stores manufacturing log information including start times and end times of manufacturing processes of products grouped in manufacturing units and manufactured through a plurality of manufacturing processes in order, and chronological history information of process characteristic factors corresponding to factors affecting quality characteristics in the manufacturing processes. A time axis for the process characteristic factors in synchronization with the time course of the manufacturing log information is created, and a display object representing a state or a change of each of the process characteristic factors is created based on the chronological history information and placed on the time axis to create a timeline object of each of the process characteristic factors. A process characteristic factor timeline screen including the timeline objects of the respective process characteristic factors arranged in parallel is displayed on a display apparatus.

The invention provides an atmospheric composition observation system for a high-humidity atmospheric environment, and relates to the technical field of atmospheric composition detection equipment. The device comprises a heat preservation machine box, and a heat preservation door is installed at the open end of the heat preservation machine box; the dry carrier gas manufacturing unit is mounted in the heat preservation case; the sample gas drying unit is installed in the heat preservation case and communicated with the dry carrier gas outlet end of the dry carrier gas manufacturing unit, and sample gas in the sample gas drying unit is dried through dry carrier gas; and the atmospheric component analysis unit is mounted in the heat preservation case and is communicated with the dried sample gas exhaust end of the sample gas drying unit and the interior of the heat preservation case. On the whole, the structure is simple, dry air can be utilized, the observation cost can be reduced, and the purpose of continuous observation can be achieved.

The invention relates to the technical field of concrete electric pole manufacturing, and discloses an optimized steel fiber anti-crack ultra-high performance concrete centrifugal electric pole manufacturing method and system. The method comprises the following steps: dividing an electric pole manufacturing process into a plurality of manufacturing units according to production batches, and collecting material component data, process setting data and online detection data in each manufacturing unit to form a multi-source production data set; calculating an anti-cracking performance index and a strength performance index based on a multi-source production data set, and dynamically outputting an initial process correction value through a dual-threshold monitoring mechanism and a performance adjustment model; performing adaptive adjustment on the initial process correction value of each manufacturing unit according to the production correlation between the adjacent manufacturing units to generate an adjusted process correction value; and carrying out serialization processing on the adjusted process correction value, and outputting a production optimization instruction which is applied to a manufacturing execution process. According to the method, electric pole manufacturing whole-process data integration and dynamic process optimization are achieved, and the production efficiency and the product quality stability can be improved.

The invention discloses a storage and processing collaborative optimization scheduling method and system for a flexible manufacturing unit, and relates to the technical field of scheduling in a workshop manufacturing process, and the method comprises the steps: constructing a storage and processing collaborative optimization scheduling model for the flexible intelligent manufacturing unit, the scheduling model considers flexible processing scheduling in the flexible intelligent manufacturing unit and scheduling of goods locations of workpieces in a warehouse at the same time, and the optimization target of the scheduling model is to minimize the maximum completion time; flexible operation related data and machine and storage goods location layout data in the flexible intelligent manufacturing unit are collected, then according to the data, a hybrid optimization algorithm combining a genetic algorithm and variable neighborhood search is adopted to carry out optimization solution on the scheduling model, and a processing and storage scheduling scheme of the flexible intelligent manufacturing unit is obtained. According to the method, the production scheduling and the storage scheduling in the flexible intelligent manufacturing unit containing the storage are optimized, the transportation time can be reasonably optimized, the production efficiency can be improved, the production cycle can be shortened, and great economic benefits are brought.

The present invention relates to a method for manufacturing cells for secondary batteries, and this method is - The first operation involves rewinding the separator film (3), - A second operation involves depositing the first electrode (1) onto the separator film (3), -A third operation in which the first horizontal edge (4) and the first vertical edge (6) of the first electrode (1) are held on the separator film (3) using the first holding element (8), and the second horizontal edge (5) on the opposite side of the first horizontal edge (4) and the first vertical edge (6) of the first electrode (1) is also held using the second holding element (10), - A fourth operation involves unwinding the separator film (3) to cover the first electrode (1), Includes.

The present invention provides an apparatus for manufacturing a unit cell, wherein a lower diaphragm and an upper diaphragm are continuously moved in a length direction, and in the process of manufacturing the unit cell, the lower diaphragm and the upper diaphragm are cut between electrodes adjacent to each other, and the unit cell is provided in a state in which the electrodes are stacked between the lower diaphragm and the upper diaphragm and on the upper diaphragm, respectively. The apparatus includes: a fixed part, which is arranged below the lower diaphragm and is heated to a predetermined temperature; a movable part, which is aligned with the fixed part in a vertical direction on the upper diaphragm; and a cutter, which is coupled to the movable part, is heated to a predetermined temperature, and is configured to cut the upper diaphragm and the lower diaphragm, wherein the lower diaphragm and the upper diaphragm are thermally fused between the fixed part and the movable part, and are cut by the cutter when passing between the fixed part and the movable part.

The invention relates to a frame manufacturing method and a frame. A frame manufacturing method according to the present invention is used in a connector of a mask for OLED pixel formation and a frame, the method comprising the steps of: (a) adhering a first surface of a metal sheet to a moving plate; (b) forming a plurality of mask cell regions on a second surface opposite to the first surface of the metal sheet and manufacturing a cell sheet portion; (c) connecting the unit sheet portion to an edge frame portion, the edge frame portion including a hollow region, after which the unit sheet portion is stretched in a lateral direction in a state of clamping an edge of the unit sheet portion and connected to the edge frame portion as a comparative example, the unit sheet portion is stretched in the lateral direction, and the edge frame portion is connected to the edge frame portion. The maximum value of the residual stress value left in any point of the edge of the unit sheet part is smaller than the maximum value of the residual stress value left in any point of the edge of the unit sheet part of the comparison example.

The invention relates to a distributed manufacturing multi-production task-oriented resource configuration method, a service platform and a medium. The method comprises the following steps: determining the task completion degree of a manufacturing task associated with each manufacturing unit when an interrupt instruction is received; according to the task completion degree, current manufacturing tasks are determined from all the manufacturing tasks corresponding to the manufacturing configuration information, an alternative manufacturing unit associated with each current manufacturing task is determined, and the alternative manufacturing units are associated with at least one manufacturing device; performing hybrid coding based on the current manufacturing task, the task completion degree and the manufacturing equipment to generate a plurality of hybrid coding bodies; after the fitness of the hybrid coding bodies is determined according to a preset fitness function, performing corresponding genetic evolution operation iteration and simulated annealing search iteration by utilizing a genetic simulated annealing algorithm based on the plurality of hybrid coding bodies and the corresponding fitness until the iteration is performed for a preset number of times; and selecting a target hybrid coding body from the plurality of generated candidate hybrid coding bodies to obtain a resource configuration result.

This invention provides a system and process for reducing combined media pollution and carbon emissions used in the treatment of industrial furnace sludge. [Solution] Using the exhaust gas of the industrial furnace and kiln manufacturing unit as a heat source and oxidation medium, the sludge is dried, thermally decomposed, and activated in stages. The generated thermal decomposition gas / tar and gaseous products from the activation stage are used as fuel to replace a portion of the furnace fuel. Adsorbents are prepared simultaneously with the sludge treatment and used for exhaust gas and taillime purification. Through absorption and adsorption by a multi-pollutant coordinated control unit, depth control and absorption of multi-pollutant exhaust gases are achieved, along with exhaust gas purification and recycling, thereby achieving coordinated pollution control of solid-gas-water composite media and reduction of carbon emissions.

The Autonomous Device for Grasping, Manipulating, and Opening Bead Containers for Flexible Cells in Educational Manufacturing is an electromechanical robotic gripping and handling mechanism for the automated grasping and opening of containers. This device comprises a main structural body to which a gripper is attached. The gripper has one fixed jaw and one movable jaw, with nitrile inserts on part of its inner surface and lid control fins, designed to grip HAS200 type square containers. The containers are opened by a claw-shaped opener installed beneath the jaws, driven by a shaft coupled to a geared motor. The controlled rotation of the claw acts on the container lid.The device also incorporates connecting bushings that guarantee alignment and repeatability of movement.

The utility model discloses a collecting and shaping structure for manufacturing a cell wax block, and relates to the field of pathology, the collecting and shaping structure comprises a shaping part for shaping cells and a water-permeable and cell-impermeable separating part, the shaping part is provided with an inlet end and an outlet end, the outlet end comprises a shaping section and an outlet, the shaping section is surrounded by a side wall to form a shape required to be endowed by the cells, and the separating part is provided with a water-permeable and cell-impermeable separating part. The outlet is located in the end, away from the inlet end, of the side wall, the section size of the shaping section is gradually increased or kept unchanged in the direction close to the outlet, and the separating part wraps the outlet and is detachably connected with the shaping section. By adopting the shaping component for shaping cells and the water-permeable and cell-impermeable separation component, an original sample is poured into the shaping component from the inlet end, and moisture in the original sample penetrates through the separation component through gravity, adsorption force or centrifugal force, so that the moisture is removed, and cell components are retained. In the process of removing moisture, cell components can be naturally enriched on the separation part according to the shape of the shaping section, so that shaping is synchronously completed.

A manufacturing cell comprises at least one workpiece path having a workpiece supply region of a workpiece supply and a workpiece table of a machine tool. The machine tool has at least two machining robots. The workpiece table comprises at least one suction block assembly. The manufacturing cell has a second workpiece path running in a longitudinal direction of the manufacturing cell and parallel to the first workpiece path, with a second workpiece table comprising at least one suction block assembly. In addition, each suction block assembly can be displaced in the longitudinal direction of the manufacturing cell. This increases the output rate of a manufacturing cell and expands its machining capabilities.

This invention discloses a virtual unit scheduling method and system based on grouping technology and an improved CS algorithm, belonging to the field of virtual unit scheduling. It includes: receiving the division of workpiece groups, machine groups, and manufacturing units, where all components in the workpiece groups have similar processes, all machines in the machine groups process the same workpiece groups, and the manufacturing units correspond one-to-one with the machine groups; constructing the objective function of virtual unit scheduling as minimizing the maximum completion time of all workpiece processing steps; encoding the workpiece processing sequence, AGV allocation, and machine configuration within the unit on different machines; solving the encoded virtual unit scheduling problem using an improved CS algorithm, which introduces Levy flight with adaptive flight step size and variable neighborhood search with adaptive bird's nest discovery probability; decoding the optimal solution and outputting the virtual unit scheduling result. This invention can effectively solve the virtual unit scheduling problem and obtain a production plan with the shortest completion time as the objective.

The application relates to an order release decision method, system and medium for a unit manufacturing workshop, which comprises the following steps: determining manufacturing process path information according to received order information of to-be-processed orders; determining unit layer trial load corresponding to each to-be-processed order and corresponding workstation trial load based on manufacturing unit sequence information, workstation sequence information and processing time information of the manufacturing process path information; in the case that all unit layer trial loads are determined to be less than a unit load threshold, releasing the to-be-processed order to the first manufacturing unit in the corresponding manufacturing unit sequence; judging whether all workstation trial loads corresponding to the to-be-processed order released to the production workshop are less than a workstation load threshold, and when it is judged that all workstation trial loads are less than the corresponding workstation load threshold, releasing the to-be-processed order to the first workstation in the corresponding workstation section sequence. Through the application, load balancing between production units and production workstations is realized.

The application belongs to the technical field of additive manufacturing, and provides a kind of multi-energy field assisted arc wire additive manufacturing device and method, comprising: workbench, additive manufacturing unit, ac magnetic field unit, ultrasonic vibration unit, mechanical impact unit, additive manufacturing unit includes arc welding gun fixed on first mechanical arm, ac magnetic field unit includes ac magnetic field mechanism, swing mechanism and connecting frame, the connecting frame is connected with first mechanical arm, the swing mechanism is connected with connecting frame, the ac magnetic field mechanism is connected with swing mechanism, the swing mechanism is used to drive ac magnetic field mechanism to approach or away from the welding position of arc welding gun, ultrasonic vibration unit is fixed on workbench, for applying ultrasonic vibration to substrate, mechanical impact unit is fixed on second mechanical arm, for carrying along mechanical impact to the deposited layer of welding part.The application can be synergistically regulated by multi-energy field, optimize organization, reduce defect, improve comprehensive performance, improve forming quality and additive stability.

The invention relates to a device and a method for producing plastic parisons, having a control of a production unit as a function of inspection results. The invention relates to a device for producing plastic parisons, comprising a production device which is suitable and intended to produce plastic parisons, said production device comprising a plurality of production units for producing the plastic parisons; the invention relates to a device for producing plastic preforms, comprising a production device for producing plastic preforms, and a transport device which is suitable and intended to transport the plastic preforms produced by the production device, the device having a control device for controlling the production device, characterized in that the device has a first inspection device, the first inspection device is suitable and intended to inspect at least one region of the plastic parisons produced by the production device, the inspection device is suitable and intended to output at least one value characterizing a physical property of the plastic parisons, and the device has a distribution device, the distribution device is adapted to distribute, for each inspected plastic parison, a manufacturing unit from which the plastic parison is manufactured, and wherein the control device is adapted and intended to control the manufacturing device, in particular a control unit, as a function of the value.

This invention relates to the field of solar cell technology, specifically disclosing a solar cell and its metallization method, a cell module, and a photovoltaic system. The cell includes: a cell body; fine grid lines disposed on the cell body, with a plurality of fine grid lines arranged along a first direction and extending along a second direction; a main grid, including a main grid base metal layer and a main grid noble metal base layer; the main grid base metal layer is disposed on the side of the fine grid lines facing away from the cell body, extending along the first direction, with a plurality of main grid base metal layers arranged along the second direction, and the main grid base metal layer includes a plurality of overlapping portions, which are stacked with the fine grid lines of the same polarity and electrically connected; the main grid noble metal base layer is at least partially disposed at the overlapping portion and the layer of the fine grid lines, and in the thickness direction of the cell body, the main grid noble metal base layer is disposed between the overlapping portion and the cell body. This invention can significantly reduce production costs while effectively improving the problems of cell conversion efficiency degradation and reduced lifespan caused by base metals, enabling the manufactured cell module to have low production costs, high conversion efficiency, and long service life.

A process including heating a hydrogen manufacturing unit feedstock producing a heated hydrogen manufacturing unit feedstock. The process includes stripping a wide boiling range hydrocarbon mixture with heated hydrogen manufacturing unit feedstock producing an overheads stream, separating the overheads stream to recover a non-condensed stream, and feeding the non-condensed stream to a hydrogen manufacturing unit. A process including feeding a hydrocarbon manufacturing unit feedstock to a stripping unit, recovering an overhead stream, feeding the overhead stream to a separation unit separating the hydrogen manufacturing unit feedstock from light boiling hydrocarbons, feeding a portion of the separated hydrogen manufacturing unit feedstock stream to a hydrogen manufacturing unit producing a hydrogen stream, feeding a first portion of the hydrogen stream and the bottoms stream to a first hydroprocessing unit, and feeding a second portion of the hydrogen stream, the first effluent, and the recovered medium boiling hydrocarbons to a second hydroprocessing unit.

Device (1) for manufacturing plastic containers, comprising a manufacturing unit (2) for manufacturing plastic preforms (10), wherein this manufacturing unit (2) has a plurality of manufacturing cavities (22), and a forming unit (6) which is suitable and intended for forming the plastic preforms (10) produced by the manufacturing unit (2) into plastic containers (20), a transport unit (8) which transports the plastic preforms (10) produced by the manufacturing unit (2) to the forming unit (6) along a predetermined transport path, and a heating unit (4) which heats the plastic preforms (10) produced by the manufacturing unit (2), characterized in that the device (1) has at least one first inspection unit (11-19) which is suitable and intended forto detect at least one physical property of a plastic preform (10) produced by the manufacturing device (2) and the device (1) further comprises a first assignment device (32) which is suitable and intended to assign to an inspected plastic preform (10) the manufacturing cavity (22) which produced this plastic preform (10).

A manufacturing cell (10) is used for machining bar stock. The manufacturing cell (10) comprises a machine bed (14), a workpiece holder (22), a loading station (74), a palletizing station (106), and a handling device (122). The tool spindle (40) and the workpiece holder (22) are movable relative to each other in at least two linear axes (66, 68) and at least one swivel axis (32) to machine a workpiece (24) clamped in the workpiece holder (22). The loading station (74) has a magazine (76) and a transfer unit (86) for providing bars (80) at a staging position (88). The palletizing station (106) is used for palletizing machined workpieces (24). The handling device (122) is used to transport workpieces (24) between the staging position (88), the workpiece holder (22) and the palletizing station (106).

The utility model discloses an intelligent forming energy-saving manufacturing unit for a central group of a circular weft knitting machine, which comprises a working platform horizontally placed on the ground, a placing table is arranged in the middle of the upper surface of the working platform, and a main controller is fixedly arranged on the left side of the upper surface of the working platform. A center set workpiece needing to be cut and formed is placed above the containing table, a multi-axis rotating mechanical arm is installed on the left side of the upper surface of the working platform, and a cleaning mechanism used for cleaning cutting residues is arranged at the edge position of the upper surface of the containing table. According to the intelligent forming energy-saving manufacturing unit for the central group of the circular weft knitting machine, a clamping block slides on an electric sliding rod to clamp and fix a central group workpiece, then a mechanical arm and a laser cutter are started to cut the central group workpiece, and finally forming is completed; and in the cutting process, meshing between the driving gear and the driven gear is used for driving the placing table to rotate, so that continuous cutting is completed, pause of the device is reduced, and the purposes of energy conservation and environmental protection are achieved.

Cell control (12B) which is connected to a host computer (13) with a database and is set up to control a manufacturing cell (11) comprising a plurality of manufacturing machines (14, 15, 16), wherein the cell control (12B) comprises: a multitude of sensors (19) which is set up to determine the state of each of the multitude of manufacturing machines (14, 15, 16); a state storage unit (20) which is set up to store the state of each of the manufacturing machines (14, 15, 16) as determined by the sensors (19); a fault information acquisition unit (21) which is configured to acquire the fault information from each of the production machines (14, 15, 16) from the status information of each of the production machines (14, 15, 16) which is stored in the status storage unit (20); an input unit (22) which is set up to allow input of recovery process information at the cell control when each of the manufacturing machines (14, 15, 16) stops; a recovery operation information storage unit (23) configured to store the recovery operation information from each of the manufacturing machines (14, 15, 16); and a correlation data generation unit (24) which: - is set up to generate correlation data obtained by correlating the fault information acquired by the fault information acquisition unit (21) with the recovery operation information stored by the recovery operation information storage unit (23), and is set up to transfer this to the database, and - a learning unit (27) comprising a learning unit configured to learn the correlation data using the alarm activation rate in or the operating rate of each of the manufacturing machines (14, 15, 16) as a reward, wherein the learning unit (27) is configured to optimize the correlation data by allocating the reward such that the suitability of a recovery operation for the manufacturing machine (14, 15, 16) increases when the detected alarm activation rate decreases or the operating rate increases; and a data discrimination unit (30) which is configured to compare the recovery operation information output by the input unit (22) to the recovery operation information storage unit (23) with the multitude of correlation data accumulated in the database, whereupon, If the data differentiation unit (30) finds a recovery operation information similar to the recovery operation information in the multitude of correlation data accumulated in the database, the data differentiation unit (30) is configured to send the similar recovery operation information and the fault information associated with the recovery operation information to the output unit (26).

The present invention discloses a method for building an innovative platform for a manufacturing unit based on a digital twin industrial robot. The present invention relates to the field of digital twin industrial robots. A method for building an innovative platform for a manufacturing unit based on a digital twin industrial robot comprises the following steps: collecting a set of building parameters, generating a building plan according to the set of building parameters, entering manual intervention, combining the manual intervention with the building plan to generate a building scheme; receiving building construction parameters, comparing the building construction parameters with the building scheme, and obtaining a set of correction data. By collecting building parameters and generating a building scheme in combination with manual intervention, and then comparing the building construction parameters with the building scheme in real time to obtain correction data, the accuracy of the manufacturing unit construction is ensured. This process not only improves the construction efficiency, but also effectively reduces the production risks caused by construction deviations, thereby improving the overall performance of the manufacturing unit.

Modules (300), systems (500) and methods for processing optical devices are provided. The module (300) comprises a transport device (302), a first manufacturing unit (310), a second manufacturing unit (312) and a positioning device (308). The system (500) comprises two modules (300 ', 300' ') arranged in sequence.

A robotic manufacturing system includes at least one first robot arm positioned in a manufacturing cell, a second robot arm coupled to a manufacturing tool and also located within the manufacturing cell. The system includes a pose adjustment station and a manufacturing station inside the cell. A controller is connected to both robot arms and includes a processor and memory storing instructions. When executed by the processor, the instructions cause the system to perform operations including grasping objects with the first robot arm in various initial poses from the highly unstructured storage environment, transferring the objects to the relatively structured pose adjustment station for regrasping in a common adjusted grasp pose that facilitates downstream manufacturing operations. The system then regrasps the objects in the adjusted grasp pose(s) and performs manufacturing and manufacturing operations. The introduction of the pose adjustment station significantly reduces overall weld cycle time.

This invention belongs to the field of green manufacturing technology for electromechanical products. It provides a method and system for assessing the carbon footprint of a product manufacturing process based on design features. The method establishes an adjacency attribute graph of design features, identifies multiple manufacturing unit process scenarios within a manufacturing process context, and determines the carbon footprint of the product to be manufactured within the entire manufacturing scenario based on the design features and carbon emission data generated by each manufacturing unit process scenario. When a design feature changes, the method determines the adjacency attribute graph of the modified design features, matches similar products from a case library based on the design feature adjacency attribute graph, extracts the manufacturing unit process scenarios corresponding to similar design features of the similar products in the case library to update the manufacturing scenario, and predicts the carbon footprint of the modified product to be manufactured based on the updated manufacturing scenario and the modified design features. This invention achieves accurate calculation of the carbon footprint and accurate prediction of the carbon footprint after design feature changes.