An adaptive demarcation method for carbon emission boundaries in cutting processes based on exergy balance

Abstract

The present invention provides a method for adaptively dividing the carbon emission boundaries of a cutting process based on balance, which relates to the technical field of carbon emission of CNC machine tools. The system boundaries are divided according to theory, high-loss points in the system are identified, and the system boundaries are readjusted around the high-loss subsystems. The losses of various parts of different systems are analyzed and compared to obtain the largest part of the median loss of the system, and the boundaries of this part are adjusted. The present invention incorporates the energy flow and material flow in the operation of the machine tool into a unified standard for analysis, avoiding the situation of subjective emphasis on analyzing energy flow or material flow, and provides a more comprehensive division standard for realizing system boundary division. The present invention can meet different demand levels for machine tool carbon emission system boundary division, realize different role personnel input their own needs, and adaptively complete the division of machine tool carbon emission boundaries.

Description

Technical Field

[0001] The present invention relates to the technical field of carbon emission of CNC machine tools, specifically a method based on Balanced adaptive demarcation method for carbon emission boundaries in cutting processes. Background Art

[0002] The manufacturing industry has always consumed a large amount of energy, with high carbon emissions. It involves a wide range of areas and has huge potential for energy conservation and carbon reduction. CNC machine tools are the main energy-consuming equipment in manufacturing production. Accurately quantifying the carbon emissions during their operation and clarifying the causes and distribution of carbon emissions during the processing process are of great significance to the manufacturing industry's realization of energy conservation, emission reduction, cost reduction and efficiency improvement.

[0003] Establishing an accurate carbon emission calculation model is a key method for quantifying carbon emissions from machine tool cutting processes. Delineating the carbon emission system boundaries of CNC machine tools is the first step in modeling these systems. However, a review of existing system boundary delineation methods reveals that these delineations lack unified principles and employ incomplete considerations, failing to include both materials and energy. This results in widely varying carbon emission quantification results when different researchers assess machine tool carbon emissions, hindering their practical application in production.

[0004] The above information disclosed in this Background section is only for enhancement of understanding of the background of the present disclosure and therefore it may contain information that does not form the prior art that is already known to a person of ordinary skill in the art. Summary of the Invention

[0005] The purpose of the present invention is to provide a A balanced cutting process carbon emission boundary adaptive division method is proposed to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A kind of The balanced cutting process carbon emission boundary adaptive demarcation method includes the following steps:

[0008] S1. Establish a user information processing layer and a system boundary division layer. The user information processing layer is used for user demand input, user demand analysis and demand level determination. The system boundary division layer is used to determine the system boundary, identify the energy and material changes of the system energy system and classify them, and perform system Analyze and unify energy flow and material flow under the same evaluation scale, according to Theory divides the system boundaries;

[0009] S2. Performing user demand analysis on the user demand input and outputting demand hierarchy determination, wherein the output of the demand hierarchy determination includes workpiece level, machine tool level and workshop level;

[0010] S3. When identifying and classifying the energy and material changes of the system, the energy flow and material flow of the system are classified according to the input according to different system boundaries. loss Output Classification is done in three parts;

[0011] S4. Check the system When analyzing and unifying energy flow and material flow into the same evaluation scale, the definition of material flow and energy flow is Value, used to unify energy flow and material flow under the same evaluation scale;

[0012] S5. Input loss Output Analyze and establish Balance the equations and define The loss threshold is 10%;

[0013] S6, will be higher than Loss threshold Some are defined as high Loss part, yes Balance equations are analyzed for correlation and output high loss part and output high The system boundary where the loss part is located is for high Adjust the system boundary of the damaged part by updating the high Adjust the system boundary by using the damaged workpiece layer, machine tool layer and workshop layer equipment;

[0014] S7, compare with the historical database of machine tool systems of similar products, if the loss The error value is less than 10%, then the boundary division result is output; if the loss If the error value is not less than 10%, S6 and S7 are repeated.

[0015] Furthermore, the user demand input includes workpiece layer demand, machine tool layer demand, and workshop layer demand. The workpiece layer demand includes processing workpiece information, processing technology requirements, processing parameters, and processing time. The machine tool layer demand includes basic machine tool information, machine tool operating parameter information, and production indicators. The workshop layer demand includes basic workshop information, workshop environment information, and processing production plan information. User demand analysis is performed on the user demand input. If the user demand input is a workpiece layer demand, the output of the demand hierarchy determination is the workpiece layer. If the user demand input is a machine tool layer demand, the output of the demand hierarchy determination is the machine tool layer. If the user demand input is a workshop layer demand, the output of the demand hierarchy determination is the workshop layer.

[0016] Furthermore, the processing workpiece information includes the processing workpiece geometry, processing workpiece material, cutting tools and tool parameters; the processing process requirements include processing methods, processing accuracy requirements, heat treatment requirements and other process-related information; the basic information of the machine tool includes the machine tool model, machine tool spindle power, and machine tool related devices; the machine tool related devices include lighting, chip removal, cooling, and lubrication devices; the machine tool operating parameter information includes the type of tool used and the machine tool operating status; the basic information of the workshop includes the number and type information of machine tools and the workshop area; the workshop environment information includes the workshop production temperature, workshop ventilation, and lighting environment parameters; the processing production plan information includes the production task arrangement and product production cycle information for a certain workpiece and a certain type of workpiece.

[0017] Furthermore, the system boundary includes a workpiece layer boundary, a machine tool layer boundary and a workshop layer boundary. The workpiece layer boundary includes a workpiece layer numerical control device, a drive device and a cooling and lubrication device. The machine tool layer boundary includes a machine tool layer numerical control device, a drive device, a cooling and lubrication device, a chip removal device, a tool changing device, a pneumatic device, a lighting device and other auxiliary devices. The workshop layer boundary includes machine tool equipment, intelligent monitoring equipment, safety protection equipment, lighting equipment, air conditioning equipment, ventilation and dust removal equipment, and material storage equipment.

[0018] Furthermore, the input loss Output Analyze and establish The balanced equation is based on the formula:

[0019] E x,in =E x,loss +E x,out

[0020] Among them, E x,in For input E x,loss For loss E x,out Output For machine tool systems, all materials input into the machine tool system and energy The sum of the input

[0021] Furthermore, the material and energy Perform correlation analysis and generate transformation formula:

[0022]

[0023] Among them, all materials of the machine tool system Numbering, E xi,in-M The material input to the machine tool system for the i-th material The i in the subscript xi is used to indicate the material number; E x,energy The energy input to the machine tool system The energy For electrical energy value.

[0024] Furthermore, for the machine tool system, the loss Internal losses and external losses The formula is:

[0025] E x,loss =E x,in-loss +E x,ex-loss

[0026] Among them, E x,in-loss Internal loss E x,ex-loss External losses The internal loss Including the device number c when it is in standby Loss E xc,standby , when the device numbered j is running Loss E xj,idle When cutting with the device numbered k Loss E xk,cut , for system standby Loss E xc,standby , when the system is running Loss E xj,idle When cutting with the system Loss E xk,cut Perform correlation analysis to generate internal losses E x,in-loss The expression of is based on the formula:

[0027]

[0028] Among them, u is the number of equipment in the workshop standby state when the workpiece processing is completed, m is the number of workshop equipment used when the workpiece processing is completed, and z is the number of machine tools in the workshop when the workpiece processing is completed.

[0029] Furthermore, the external loss Including equipment number a chip handling Loss E xa,chip , equipment number s waste tool processing Loss E xs,tool , equipment number d waste liquid treatment Loss E xd,liquid , the compressed air loss of the first equipment Loss E xl,air , for chip processing Loss E xa,chip , equipment waste tool disposal Loss E xs,tool , equipment waste liquid treatment Loss E xd,liquid , compressed air loss Loss E xl,air Perform correlation analysis to generate external losses E x,ex-loss The expression of is based on the formula:

[0030]

[0031] Where o is the number of machine tools used in the workshop when the workpiece is processed, and v is the sum of the number of machine tools used in the workshop when the workpiece is processed and the number of equipment using air pumps.

[0032] Furthermore, the output E x,out Products included and output materials About products E x,product and output materials E xi,ex-M Perform correlation analysis and generate output E x,out The expression of is based on the formula:

[0033]

[0034] Among them, products E x,product Used to reflect the processed products Value, output material E xi,ex-MUsed to reflect the material numbered i output from the machine tool system value.

[0035] Compared with the prior art, the present invention has the following beneficial effects: Theory is used to divide the system boundaries and identify the high Loss point, around high The lost subsystem readjusts the system boundary, which is for each part of the different systems The loss is analyzed and compared, and the results show that The largest part of the value loss is adjusted, the boundary of this part is adjusted, and the part below the threshold is discarded in the system. The balanced adaptive division method of carbon emission boundaries in the cutting process analyzes the energy flow and material flow in the operation process of the machine tool under a unified standard, avoiding the situation of subjective emphasis on analyzing energy flow or material flow, and providing a more comprehensive division standard for realizing system boundary division. The present invention can meet the different demand levels for the division of the machine tool carbon emission system boundary, realize different roles to input their own needs, and adaptively complete the division of the machine tool carbon emission boundary. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] Figure 1 Schematic diagram of the overall method flow of the present invention;

[0037] Figure 2 Schematic diagram of the boundary division of the system of the present invention;

[0038] Figure 3 A schematic diagram for determining system boundaries at different levels of requirements of the present invention;

[0039] Figure 4 The system of the present invention Flow diagram. DETAILED DESCRIPTION

[0040] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to specific embodiments.

[0041] It should be noted that, unless otherwise defined, the technical or scientific terms used in the present invention should have the usual meanings understood by people with ordinary skills in the field to which the present invention belongs. The "first", "second" and similar words used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. "Include" or "comprise" and similar words mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. "Connect" or "connected" and similar words are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative position relationships. When the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0042] Example:

[0043] See also Figure 1-4 , the present invention provides a technical solution:

[0044] A kind of Balanced adaptive boundary partitioning method for carbon emission in cutting process, It is a concept in the second law of thermodynamics, introduced Theory can analyze the energy flow and material flow in the process of machine tool operation under a unified standard, avoiding the situation of subjective emphasis on analyzing energy flow or material flow, and providing a more scientific and reasonable division standard for realizing system boundary division. The balanced cutting process carbon emission boundary adaptive demarcation method can meet different demand levels for machine tool carbon emission system boundary demarcation, allowing different roles to input their own needs and adaptively complete the demarcation of machine tool carbon emission boundaries. The specific steps include:

[0045] S1. Establish a user information processing layer and a system boundary division layer. The user information processing layer is used for user demand input, user demand analysis and demand level determination. The system boundary division layer is used to determine the system boundary, identify the energy and material changes of the system energy system and classify them, and perform system Analyze and unify energy flow and material flow under the same evaluation scale, according to Theoretically divide the system boundary; the user inputs the workpiece layer requirements, machine tool layer requirements, and workshop layer requirements into the user information processing layer, and the system boundary division layer processes the above user demand input parameters and outputs value.

[0046] Material flow refers to the process by which matter (raw materials, semi-finished products, finished products, etc.) is transferred from one location or state to another in a system. Energy flow refers to the process by which energy is transferred from one location or state to another in a system. Theory states that in any energy conversion process, some energy is converted into unusable forms (such as heat loss), which leads to an increase in the entropy of the overall system.

[0047] User demand input includes workpiece-level demand, machine-level demand, and workshop-level demand. Workpiece-level demand includes workpiece processing information, processing technology requirements, processing parameters, and processing time. Machine-level demand includes basic machine-level information, machine-level operating parameter information, and production indicators. Workshop-level demand includes basic workshop information, workshop environment information, and processing production plan information. User demand input is analyzed. If the user demand input is a workpiece-level demand, the output of the demand hierarchy determination is the workpiece-level demand. If the user demand input is a machine-level demand, the output of the demand hierarchy determination is the machine-level demand. If the user demand input is a workshop-level demand, the output of the demand hierarchy determination is the workshop-level demand.

[0048] The processing workpiece information includes the processing workpiece geometry, processing workpiece material, cutting tools and tool parameters; the processing process requirements include processing methods, processing accuracy requirements, heat treatment requirements and other process-related information; the basic information of the machine tool includes the machine tool model, machine tool spindle power, and machine tool related devices; the machine tool related devices include lighting, chip removal, cooling, and lubrication devices; the machine tool operation parameter information includes the type of tool used and the machine tool operation status; the basic information of the workshop includes the number and type of machine tools, and the workshop area; the workshop environment information includes the workshop production temperature, workshop ventilation, and lighting environment parameters; the processing production plan information includes the production task arrangement for a certain workpiece and a certain type of workpiece, and the product production cycle information.

[0049] The system boundary includes the workpiece layer boundary, the machine tool layer boundary and the workshop layer boundary. The workpiece layer boundary includes the workpiece layer CNC device, drive device and cooling and lubrication device. The machine tool layer boundary includes the machine tool layer CNC device, drive device, cooling and lubrication device, chip removal device, tool changing device, pneumatic device, lighting device and other auxiliary devices. The workshop layer boundary includes machine tool equipment, intelligent monitoring equipment, safety protection equipment, lighting equipment, air conditioning equipment, ventilation and dust removal equipment, and material storage equipment.

[0050] S2. Perform user demand analysis on user demand input and output demand hierarchy determination. The output of demand hierarchy determination includes workpiece level, machine tool level and workshop level.

[0051] S3. When identifying and classifying the energy and material changes of the system, the energy flow and material flow of the system are classified according to the input according to different system boundaries. loss Output Classification into three parts; Theoretically divide the system boundary. The preliminary division of the system boundary refers to the system boundary determined according to different demand levels, according to the input loss and output The system boundary is preliminarily divided in the form of .

[0052] S4. Check the system When analyzing and unifying energy flow and material flow into the same evaluation scale, the definition of material flow and energy flow is Value, used to unify energy flow and material flow under the same evaluation scale; It is a concept in the second law of thermodynamics, which can comprehensively and comprehensively reflect the flow of material flow and energy flow in the cutting process on the same scale, and analyze the system. Analysis, can convert material flow and energy flow into The value calculation can then comprehensively analyze the changes in different energy forms of the system.

[0053] S5. Input loss Output Analyze and establish Balance the equations and define The loss threshold is 10%;

[0054] Input loss Output Analyze and establish The balanced equation is based on the formula:

[0055] E x,in =E x,loss +E x,out

[0056] Among them, E x,in For input E x,loss For loss E x,out Output For machine tool systems, all materials input into the machine tool system and energy The sum of the input

[0057] For materials and energy Perform correlation analysis and generate transformation formula:

[0058]

[0059] Among them, all materials of the machine tool system Numbering, E xi,in-M The material input to the machine tool system for the i-th material The i in the subscript xi is used to indicate the material number; E x,energy The energy input to the machine tool system energy For electrical energy value, electrical energy can be completely converted into other forms of energy, so electrical energy can be regarded as pure value.

[0060] For machine tool systems, the loss Internal losses and external losses The formula is:

[0061] E x,loss =E x,in-loss +E x,ex-loss

[0062] Among them, E x,in-loss Internal loss E x,ex-loss External losses Internal losses Including the device number c when it is in standby Loss E xc,standby , when the device numbered j is running Loss E xj,idle When cutting with the device numbered k Loss E xk,cut , for system standby Loss E xc,standby , when the system is running Loss E xj,idle When cutting with the system Loss E xk,cut Perform correlation analysis to generate internal losses E x,in-loss The expression of is based on the formula:

[0063]

[0064] Among them, u is the number of equipment in the workshop standby state when the workpiece processing is completed, m is the number of workshop equipment used when the workpiece processing is completed, and z is the number of machine tools in the workshop when the workpiece processing is completed.

[0065] Internal losses For machine tool systems, the electrical energy input into the system is ultimately lost in the form of heat, so internal losses It is caused by the power consumption in the system Loss. For the workpiece layer system, the internal Loss refers to the energy consumption caused by cutting Loss; for the machine tool system, it refers to the loss caused by power consumption in the standby state, idling state and cutting state. Loss; For the workshop level system, in addition to the above machine tool level In addition to the loss, it also includes the loss caused by power consumption when other equipment in the workshop is in standby state and equipment is in operation state. loss.

[0066] External losses Including equipment number a chip handling Loss E xa,chip , equipment number s waste tool processing Loss E xs,tool , equipment number d waste liquid treatment Loss E xd,liquid , the compressed air loss of the first equipment Loss E xl,air , for chip processing Loss E xa,chip , equipment waste tool disposal Loss E xs,tool , equipment waste liquid treatment Loss E xd,liquid , compressed air loss Loss E xl,air Perform correlation analysis to generate external losses E x,ex-loss The expression of is based on the formula:

[0067]

[0068] Where o is the number of machine tools used in the workshop when the workpiece is processed, and v is the sum of the number of machine tools used in the workshop when the workpiece is processed and the number of equipment using air pumps.

[0069] External losses For machine tool systems, it is generated during the disposal of waste materials caused by product production. Losses mainly include the treatment of chips, waste fluid, worn tools, etc.

[0070] Output E x,ouu Products included and output materials About products E x,product and output materials E xi,ex-M Perform correlation analysis and generate output E x,out The expression of is based on the formula:

[0071]

[0072] Among them, products E x,product Used to reflect the processed products Value, output material E xi,ex-M Used to reflect the material numbered i output from the machine tool system Value. For materials output from workpiece layer and machine layer Including circulating coolant and good tools after a process; for materials output from the workshop floor is 0.

[0073] S6, will be higher than Loss threshold Some are defined as high Loss part, yes Balance equations are analyzed for correlation and output high loss part and output high The system boundary where the loss part is located is for high Adjust the system boundary of the damaged part by updating the high Adjust the system boundary by using the damaged workpiece layer, machine tool layer and workshop layer equipment;

[0074] When adjusting system boundaries, each level within the system—the workpiece level, the machine tool level, and the workshop level—is considered a subsystem, each with its own specific energy and material flows. At the workpiece level, energy consumption during machining can be reduced by selecting more energy-efficient and environmentally friendly materials; optimizing parameters such as cutting speed, feed rate, and depth of cut to reduce energy consumption; using high-efficiency and environmentally friendly coolants or employing dry cutting techniques to reduce energy consumption. At the machine tool level, inefficient equipment, such as older machines, can be replaced with newer, more energy-efficient ones; intelligent control systems, such as CNC machine tools, can be introduced for precise control to reduce energy waste; regular maintenance ensures optimal machine operating conditions to reduce additional energy consumption caused by aging or malfunctioning equipment; and energy recovery devices can be installed to recycle waste heat and other energy generated during machine operation. At the workshop level, workshop layouts can be redesigned to reduce material handling distances and times, thereby reducing energy consumption; and ventilation, lighting, and temperature and humidity control systems can be optimized to reduce unnecessary energy consumption.

[0075] S7, compare with the historical database of machine tool systems of similar products, if the loss The error value is less than 10%, then the boundary division result is output; if the loss If the error value is not less than 10%, S6 and S7 are repeated.

[0076] The present invention is based on Theory is used to divide the system boundaries and identify the high Loss point, around high The lost subsystem readjusts the system boundary, which is for each part of the different systems The loss is analyzed and compared, and the results show that The largest part of the value loss is adjusted to adjust the boundary of this part, which is specifically reflected in setting a A loss percentage threshold is set, and any components of the system that fall below the threshold are appropriately discarded. A historical database of similar products is based on historical loss calculations of similar products by factories or research institutes. Comparison with this database allows for a scientific and objective evaluation of the strengths and weaknesses of machine tool-related system boundary demarcation.

[0077] The above formulas are all dimensionless and numerical calculations. The formulas are obtained by collecting a large amount of data and performing software simulation to obtain the most recent real situation. The preset parameters in the formulas are set by technicians in this field according to actual conditions.

[0078] The above embodiments can be implemented in whole or in part by software, hardware, firmware, or any other combination thereof. When implemented using software, the above embodiments can be implemented in whole or in part in the form of a computer program product. Those skilled in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are performed by hardware or software depends on the specific application and design constraints of the technical solution.

[0079] Units described as separate components may or may not be physically separate, and components shown as units may or may not be physical units, and may be located in one place or distributed across multiple network units. Some or all of these units may be selected to achieve the objectives of this embodiment based on actual needs.

[0080] The above is only a specific implementation method of the present application, but the protection scope of the present application is not limited thereto. Any technician familiar with this technical field can easily think of changes or replacements within the technical scope disclosed in this application, which should be covered by the protection scope of the present application.

Claims

1. A method based on The balanced cutting process carbon emission boundary adaptive division method is characterized by: The specific steps include: S1. Establish a user information processing layer and a system boundary division layer. The user information processing layer is used for user demand input, user demand analysis and demand level determination. The system boundary division layer is used to determine the system boundary, identify the energy and material changes of the system and classify them, and perform system Analyze and unify energy flow and material flow under the same evaluation scale, according to Theory divides the system boundaries; S2. Performing user demand analysis on the user demand input and outputting demand hierarchy determination, wherein the output of the demand hierarchy determination includes workpiece level, machine tool level and workshop level; S3. When identifying and classifying the energy and material changes of the system, the energy flow and material flow of the system are classified according to the input according to different system boundaries. loss Output Classification is done in three parts; S4. Check the system When analyzing and unifying energy flow and material flow into the same evaluation scale, the definition of material flow and energy flow is Value, used to unify energy flow and material flow under the same evaluation scale; S5. Input loss Output Analyze and establish Balance the equations and define The loss threshold is 10%; S6, will be higher than Loss threshold Some are defined as high Damage part, yes Balance equations are analyzed for correlation and output high loss part and output high The system boundary where the loss part is located is for high Adjust the system boundary of the damaged part by updating the high Adjust the system boundary by using the damaged workpiece layer, machine tool layer and workshop layer equipment; S7, compare with the historical database of machine tool systems of similar products, if the loss The error value is less than 10%, then the boundary division result is output; if the loss If the error value is not less than 10%, repeat S6 and S7; Input loss Output Analyze and establish The balanced equation is based on the formula: AND x,in =And x,loss +E x,out Among them, E x,in For input E x,loss For loss E x,out Output For machine tool systems, all materials input into the machine tool system and energy The sum of the input For materials and energy Perform correlation analysis and generate transformation formula: Among them, all materials of the machine tool system Numbering, E xi,in-M The material input to the machine tool system for the i-th material The i in the subscript xi is used to represent the material number, n is the number of material types input into the machine tool system, and E x,energy The energy input to the machine tool system The energy For electrical energy value; For machine tool systems, the loss Internal losses and external losses The formula is: AND x,loss =And x,in-loss +E x,ex-loss Among them, E x,in-loss Internal loss E x,ex-loss External losses The internal loss Including the device number c when it is in standby Loss E xc,standby , when the device numbered j is running Loss E xj,idle When cutting with the device numbered k Loss E xk,cut , for system standby Loss E xc,standby , when the system is running Loss E xj,idle When cutting with the system Loss E xk,cut Perform correlation analysis to generate internal losses E x,in-loss The expression of is based on the formula: Among them, u is the number of equipment in the workshop standby state when the workpiece processing is completed, m is the number of workshop equipment used when the workpiece processing is completed, and z is the number of machine tools in the workshop when the workpiece processing is completed; The external losses Including equipment numbered a cutting process Loss E xa,chip , equipment number s waste tool processing Loss E xs,tool , equipment number d waste liquid treatment Loss E xd,liquid , the compressed air loss of the first equipment Loss E xl,air , for cutting processing Loss E xa,chip , equipment waste tool disposal Loss E xs,tool , equipment waste liquid treatment Loss E xd,liquid , compressed air loss Loss E xl,air Perform correlation analysis to generate external losses E x,ex-loss The expression of is based on the formula: Where o is the number of machine tools used in the workshop when the workpiece is processed, and v is the sum of the number of machine tools used in the workshop when the workpiece is processed and the number of equipment using the air pump; The output E x,out Products included and output materials About products E x,product and output materials E xi,ex-M Perform correlation analysis and generate output E x,out The expression of is based on the formula: Among them, products E x,product Used to reflect the processed products Value, output material E xi,ex-M Used to reflect the material numbered i output from the machine tool system value.

2. A method according to claim 1 A balanced cutting process carbon emission boundary adaptive demarcation method is characterized by: The user demand input includes workpiece layer demand, machine tool layer demand, and workshop layer demand. The workpiece layer demand includes processing workpiece information, processing technology requirements, processing parameters, and processing time. The machine tool layer demand includes basic machine tool information, machine tool operating parameter information, and production indicators. The workshop layer demand includes basic workshop information, workshop environment information, and processing production plan information. User demand analysis is performed on the user demand input. If the user demand input is a workpiece layer demand, the output of the demand hierarchy determination is the workpiece layer. If the user demand input is a machine tool layer demand, the output of the demand hierarchy determination is the machine tool layer. If the user demand input is a workshop layer demand, the output of the demand hierarchy determination is the workshop layer.

3. A method according to claim 2 based on A balanced cutting process carbon emission boundary adaptive demarcation method is characterized by: The processing workpiece information includes the processing workpiece geometry, processing workpiece material, cutting tools and tool parameters; the processing process requirements include processing methods, processing accuracy requirements, heat treatment requirements and other process-related information; the basic information of the machine tool includes the machine tool model, machine tool spindle power, and machine tool related devices; the machine tool related devices include lighting, chip removal, cooling, and lubrication devices; the machine tool operation parameter information includes the type of tool used and the machine tool operation status; the basic information of the workshop includes the number and type information of machine tools and the workshop area; the workshop environment information includes the workshop production temperature, workshop ventilation, and lighting environment parameters; the processing production plan information includes the production task arrangement and product production cycle information for a certain workpiece and a certain type of workpiece.

4. A method according to claim 1 A balanced cutting process carbon emission boundary adaptive demarcation method is characterized by: The system boundary includes the workpiece layer boundary, the machine tool layer boundary and the workshop layer boundary. The workpiece layer boundary includes the workpiece layer CNC device, drive device and cooling and lubrication device. The machine tool layer boundary includes the machine tool layer CNC device, drive device, cooling and lubrication device, chip removal device, tool changing device, pneumatic device, lighting device and other auxiliary devices. The workshop layer boundary includes machine tool equipment, intelligent monitoring equipment, safety protection equipment, lighting equipment, air conditioning equipment, ventilation and dust removal equipment, and material storage equipment.

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