Method for compiling technological procedure through self-adaptive framework splitting process steps

Abstract

The invention relates to the technical field of aircraft manufacturing, and discloses a method for compiling a technological procedure through a self-adaptive framework splitting process step, which comprises the following steps of: marking the sequence of stacks formed by parts and the sequence of parts in the stacks, and then splitting a special process through the connection relationship of the parts in the stacks and the connection relationship of the parts between the stacks; the method comprises the following steps: obtaining a rough process, further splitting the rough process into a fine process so as to complete sorting of special processes, finally forming a process procedure template, and compiling a process procedure document according to the process procedure template, so that efficient and accurate splitting of the special process step of the skeleton process procedure is realized, and the problem that in the prior art, the process steps of the skeleton process procedure are difficult to compile is solved. The technical problems that when special procedures in the technological procedure are reasonably split, manual splitting efficiency is low, splitting is inaccurate, and an automatic splitting method is unreasonable in procedure division exist in the prior art.

Description

Technical Field

[0001] The present invention relates to the technical field of aircraft manufacturing, and specifically, to a method for compiling a process specification by adaptively splitting the work steps of the skeleton process. Background Art

[0002] A process specification is a productive process document compiled by the process department according to design requirements, process technical requirements, and quality requirements. The process specification not only includes process information but also production information and quality information, and is a specific work instruction for guiding workers to actually operate the specified assembly process flow, including operation instructions, processes, assembly time sequences, change records, and other information.

[0003] How to reasonably split the special processes in the process specification is an important issue in the compilation of the process specification. In the prior art, the commonly used method is for process personnel to perform manual splitting based on experience. Due to the inconsistent experience and technical levels of process personnel, the process splitting is inaccurate. For other automatic splitting methods, only the existing processes are split according to the assembly execution time, and there is a lack of demonstration of the rationality of the process division.

[0004] Therefore, in the prior art, when reasonably splitting the special processes in the process specification, there are technical problems of low efficiency and inaccurate splitting in manual splitting, and unreasonable division of processes in automatic splitting methods. Summary of the Invention

[0005] The purpose of the present invention is to provide a method for compiling a process specification by adaptively splitting the work steps of the skeleton process. By marking the order of the stacks formed by the parts and the order of the parts within the stack, as well as the connection relationships between the parts within the stack and between the stacks, splitting the special processes, obtaining rough processes and further splitting the rough processes into fine processes to complete the sorting of the special processes, and finally forming a process specification template to compile a process specification document according to the process specification template, which realizes the efficient and accurate splitting of the special process of the work steps of the skeleton process specification, and solves the technical problems of low efficiency and inaccurate splitting in manual splitting and unreasonable division of processes in automatic splitting methods in the prior art when reasonably splitting the special processes in the process specification.

[0006] The present invention is achieved by the following technical solutions: A method for compiling a process specification by adaptively splitting the work steps of the skeleton process. First, according to the digital model information of the skeleton structure assembly, determine the parts to be assembled and construct a part set to form different stacks, and mark the order of the stacks and the order of the parts to be assembled within the stack according to the coordinates of each stack of parts and the coordinates of the parts within the stack; Secondly, analyze the digital model information, obtain the digital model connection relationship between the parts to be assembled, and according to the digital model connection relationship, obtain the in-pile connection relationship between the in-pile parts and the inter-pile connection relationship between the parts between the piles; Next, generate rough processes according to the in-pile connection relationship and the inter-pile connection relationship, and split the rough processes into fine processes according to the set of connector types; Then, construct a set of sorting fields according to the set of connector types, sort the rough processes and the fine processes according to the set of sorting fields, and obtain the set of processes of the skeleton process specification; Finally, establish a process parameter library according to the set of processes of the skeleton process specification; establish the association relationship between the skeleton assembly elements and the set of processes of the skeleton process specification, and construct the skeleton process specification template; compile the skeleton process specification according to the digital model information, the skeleton process specification template and the process parameters corresponding to the set of processes of the skeleton process specification.

[0007] To better implement the present invention, further, according to the digital model information of the skeleton structure assembly, determine the parts to be assembled and construct a set of parts to form different piles. The method for respectively marking the order of the piles and the order of the parts to be assembled in the piles according to the coordinates of the parts in each pile and the coordinates of the parts in the pile includes: Select the parts to be assembled of the aircraft to form different piles d ; Analyze the MBD digital model parts and the part coordinates, and record the part as , and record the coordinates as , where part i is the i th part, point i is the coordinate of the i th part; Mark the order of the kth pile as , ([[]] x, y, z ) is the coordinate value of the part, represents the average coordinate of the part, is the minimum value among the average coordinates of all the parts in the pile; Calculate the order of the parts to be assembled in the pile according to the part coordinates , dsort i represents the order of the th part in the pile, is the i th average coordinate of the part.

[0008] To better implement the present invention, further, a method for parsing digital model information, obtaining the digital model connection relationship between parts to be assembled, and obtaining the in-pile connection relationship between in-pile parts and the inter-pile connection relationship between parts between piles includes: Parse the MBD digital model and construct a set of part relationships , where r n is the relationship of the nth part; According to the set of part relationships, identify the in-pile connection relationship and construct a first set of connectors between in-pile parts and parts , ra n represents the connection relationship of the nth part, including parts and connectors; mark the first order of the connectors in the first set of connectors as , where , ras i represents the order of the connector in the first set of connectors, that is, the order of the connector corresponds to the order of the nth part; , rb n represents the connection relationship of the nth part, including parts and connectors; mark the second order of the connectors in the second set of connectors as , where , rbs i represents the i order of the i connector in the second set of connectors, that is, the order of the

[0009] connector is the order of the pile it corresponds to.

[0010] By parsing the MBD digital model, the in-pile connection relationship and the inter-pile connection relationship can be accurately identified to characterize the relevant connector order, enabling this embodiment to perform adaptive splitting on the MBD digital model. Group the first set of connectors according to the first order to obtain a first split group , and obtain the rough processes between n in-pile parts, g nis the number of the nth rough process between the split in-pile parts; for the first connector set in the first order ras split into n groups to obtain n rough processes; for the second connector set in the second order group to obtain the second split group to get the rough processes between m inter-pile parts, gb m is the number of the mth rough process between the split inter-pile parts; for the second connector set rb in the second order rbs split into m groups to obtain m rough processes; Construct the connector type set c. According to the first split group , the second split group and the connector type set c, split the rough processes between n in-pile parts and the rough processes between m inter-pile parts to obtain de fine processes, where de ≥ m + n.

[0011] To better implement the present invention, further, the method for constructing the sorting field set according to the connector type set and sorting the rough processes and fine processes according to the sorting field set to obtain the set of skeleton process planning procedures includes: Construct the sorting field set according to the connector type set c; For a single rough process or fine process, form work steps according to the fields in the sorting field set; According to the work steps, rough processes and fine processes, complete the generation and sorting of the skeleton process planning procedures to obtain the set of skeleton process planning procedures.

[0012] To better implement the present invention, further, the method for establishing the process parameter library according to the set of skeleton process planning procedures includes: Construct a component assembly connection process parameter library based on knowledge and rules, establish the association relationship between the connection process parameters and the process parameter library, and construct two parameter acquisition modes of unified push data and active retrieval data.

[0013] To better implement the present invention, further, the method for establishing the association relationship between the skeleton assembly elements and the set of skeleton process planning procedures, and constructing the skeleton process planning template includes: Analyze one by one whether the connector is a component assembly element, associate the connector that is a component assembly element with the set of process planning procedures to obtain the connection process, and then obtain the procedures at the start part and the end part, and combine them to form a complete skeleton process planning template.

[0014] To better implement the present invention, further, a method for preparing a skeleton process specification according to the digital-analog information, the skeleton process specification template, and the process parameters corresponding to the skeleton process specification process set includes: First, according to the digital-analog information, define the types of connector process parameters, construct the acquisition logic of the connector process parameters, and then, in accordance with the required form of the skeleton process specification template, place the obtained connector process parameters in the corresponding positions of the process parameters and the skeleton process specification process attribute information in the skeleton process specification template to complete the preparation of the skeleton process specification.

[0015] Compared with the prior art, the present invention has the following advantages and beneficial effects: By marking the order of the stacks formed by the parts and the order of the parts within the stacks, and then according to the connection relationships between the parts within the stacks and the connection relationships between the parts between the stacks, split the special processes, obtain the rough processes and further split the rough processes into fine processes to complete the sorting of the special processes, improving the efficiency and accuracy of the splitting and sorting of the special processes. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described in conjunction with the following drawings and embodiments. All the innovative concepts of the present invention should be regarded as the disclosed content and the protection scope of the present invention.

[0017] Figure 1 It is a schematic flow chart of Embodiment 1 of a method for preparing a process specification by adaptively splitting the steps of a skeleton process in the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0018] Embodiment 1 Refer to Figure 1 , a method for preparing a process specification by adaptively splitting the steps of a skeleton process. First, according to the digital-analog information of the skeleton structure assembly, determine the parts to be assembled and construct a part set to form different stacks, and mark the order of the stacks and the order of the parts to be assembled within the stacks according to the coordinates of the parts in each stack and the coordinates of the parts within the stack; Secondly, analyze the digital-analog information, obtain the digital-analog connection relationships between the parts to be assembled, and according to the digital-analog connection relationships, obtain the in-stack connection relationships between the parts within the stacks and the inter-stack connection relationships between the parts between the stacks; Next, generate rough processes according to the in-stack connection relationships and the inter-stack connection relationships, and split the rough processes into fine processes according to the connector type set; Then, according to the connector type set, construct a sorting field set, and sort the rough processes and the fine processes according to the sorting field set to obtain the skeleton process specification process set; Finally, establish a process parameter library according to the process set of the skeleton process specification; establish the association relationship between the skeleton assembly elements and the process set of the skeleton process specification, and construct a skeleton process specification template; compile the skeleton process specification according to the digital model information, the skeleton process specification template, and the process parameters corresponding to the process set of the skeleton process specification.

[0019] Adopting this embodiment, by marking the order of the piles formed by the parts and the order of the parts within the piles, as well as the connection relationships between the parts within the piles and the connection relationships between the piles, the special processes are split, the rough processes are obtained and further split into fine processes to complete the sorting of the special processes, improving the efficiency and accuracy of the splitting and sorting of the special processes.

[0020] The digital model information is the part model information obtained by parsing the MBD digital model, including information such as part coordinates and connection relationships.

[0021] Embodiment 2 This embodiment further optimizes on the basis of the above Embodiment 1. In this embodiment, in order to better implement the present invention, further, according to the digital model information of the skeleton structure assembly, determine the parts to be assembled and construct a part set to form different piles. The method for respectively marking the order of the piles and the order of the parts to be assembled within the piles according to the coordinates of each pile of parts and the coordinates of the parts within the pile includes: Select the parts to be assembled of the aircraft to form a set of pile parts d ; Parse the MBD digital model parts and part coordinates, and denote the part as and the coordinate as where part i is the i th part, point i is the coordinate of the i th part; Mark the order of the kth pile as , ( x, y, z ) is the coordinate value of the part, represents the average coordinate of the part, is the minimum value among the average coordinates of all parts in the pile; Calculate the order of the parts to be assembled within the pile according to the part coordinates , dsort i represents the order of the i th part within the pile, represents the average coordinate of the

[0022] To better implement the present invention, further, a method for parsing digital model information, obtaining the digital model connection relationship between parts to be assembled, and obtaining the in-pile connection relationship between in-pile parts and the inter-pile connection relationship between parts between piles includes: Parse the MBD digital model and construct a set of part relationships , where r n is the relationship of the nth part; According to the set of part relationships, identify the in-pile connection relationship and construct a first set of connectors between in-pile parts and parts , ra n represents the connection relationship of the nth part, including parts and connectors; and, mark the first order of the connectors in the first set of connectors as , where , ras i represents the order of the th connector in the first set of connectors, that is, the i order of the th connector corresponds to the order of the i part; According to the set of part relationships, identify the inter-pile connection relationship and construct a second set of connectors between inter-pile parts and parts , rb n represents the connection relationship of the nth part, including parts and connectors; and, mark the second order of the connectors in the second set of connectors as , where, , rbs i represents the order of the th i connector in the second set of connectors, that is, the i order of the th connector is the order of the pile to which it corresponds.

[0023] To better implement the present invention, further, a method for generating rough processes according to the in-pile connection relationship and the inter-pile connection relationship and splitting the rough processes into fine processes according to the set of connector types includes: Group the first set of connectors according to the first order to obtain the first split group , and obtain the rough processes between n in-pile parts, g n is the number of the nth rough process between the split in-pile parts; group the first set of connectors ra according to the first order ras into n groups to obtain n rough processes; Group the second set of connectors In the second order Group them to obtain the second split group , obtaining the rough processes between the parts among the m stacks gb m is the quantity of the m-th rough process between the split parts among the stacks; split the second connector set rb In the second order rbs into m groups, obtaining m rough processes Construct the connector type set c, denoted as c = (rivet, screw, blind rivet, bolt...). According to the first split group , the second split group and the connector type set c, split the rough processes between the n parts within the stacks and the rough processes between the m parts among the stacks, obtaining de fine processes, where de ≥ m + n

[0024] The rough processes between the parts within the stacks and the rough processes between the parts among the stacks are obtained through split grouping respectively. Then, according to the connector type set, the rough processes with the same type of corresponding connectors in the above rough processes are taken as one fine process, and the fine processes are split. The rough process refers to the process identified according to the connection relationship between the parts. The fine process is the process formed by classifying the rough processes based on the type of the connectors in the connection relationship and taking the rough processes with the same type of connectors as one category; by obtaining the rough processes and fine processes, the requirements for compiling the skeleton process specification under different assembly scenarios can be met

[0025] To better implement the present invention, further, according to the connector type set, construct a sorting field set, and the method for sorting the rough processes and fine processes according to the sorting field set to obtain the skeleton process specification process set includes According to the connector type set c, construct a sorting field set, denoted as ; For a single rough process or fine process, form work steps (i.e., the assembly sequence of key processes) according to the fields in the sorting field set According to the work steps, rough processes and fine processes, complete the generation and sorting of the skeleton process specification processes to obtain the skeleton process specification process set

[0026] Adopting this embodiment, starting from an angle different from the splitting according to the existing process by the assembly execution time, by constructing the order of the skeleton stacks, parts, and connectors, the assembly sequence of key work steps is obtained, making the splitting of the skeleton process specification processes more accurate

[0027] Example 3 This embodiment further optimizes on the basis of the above-mentioned Embodiment 2. In this embodiment, in order to better implement the present invention, further, the method for establishing a process parameter library according to the process procedure set of the skeleton process includes: Construct a component assembly connection process parameter library based on knowledge and rules, establish the association relationship between the connection process parameters and the process parameter library, and construct two parameter acquisition modes of unified push data and active retrieval data.

[0028] In order to better implement the present invention, further, the method for establishing the association relationship between the skeleton assembly elements and the process procedure set of the skeleton process, and constructing the skeleton process procedure template includes: Analyze one by one whether the connecting piece is a component assembly element, associate the connecting piece that is a component assembly element with the process procedure set to obtain the connection process, and then obtain the procedures at the beginning part and the end part, and combine them to form a complete skeleton process procedure template.

[0029] In order to better implement the present invention, further, the method for compiling the skeleton process procedure according to the digital model information, the skeleton process procedure template and the process parameters corresponding to the skeleton process procedure set includes: First, according to the digital model information, define the type of the connecting piece process parameters, construct the acquisition logic of the connecting piece process parameters, and then, in accordance with the required form of the skeleton process procedure template, put the obtained connecting piece process parameters into the corresponding positions of the process parameters and the skeleton process procedure attribute information in the skeleton process procedure template to complete the compilation of the skeleton process procedure. The process attribute information usually includes information such as process basic information, time attribute, resource attribute, quality attribute, etc.

[0030] Adopting this implementation method, according to the aircraft component assembly connection process requirements and process flow, design the component assembly connection process procedure template and the component assembly connection process parameter library, analyze the key conditions affecting the procedures of the connection process procedure template, obtain the connection process parameters, and realize that after obtaining the assembly digital model information, quickly call in other relevant parameters such as connection process parameters and certification requirements, complete the rapid compilation of the aircraft component assembly connection process procedure, and then realize the rapid compilation of the skeleton process procedure, aiming to achieve the efficient and accurate design of the component assembly connection process by constructing a comprehensive knowledge and rule library.

[0031] Optionally, in this embodiment, the method for constructing the component assembly connection process parameter library includes: According to the process procedure set of the skeleton process, the data retrieval scheme, the data source and the logical rules of the process parameters used in the aircraft component assembly process, construct the multi-dimensional input / output data form of the assembly connection process parameter library; Generate assembly connection process knowledge and assembly connection process rules based on the assembly connection process experience and assembly connection process requirements in the aircraft component assembly connection process; Associate the data tables in the assembly connection process parameter library according to the keyword fields in the assembly connection process parameter library, and construct the data association relationship between the assembly connection process parameter libraries; Establish a process parameter library including the assembly connection process parameter library for each process and the general assembly connection process parameter library according to the data association relationship, data form, assembly connection process knowledge and assembly connection process rules; Construct a parameter acquisition mode for uniformly pushing data for the assembly connection process parameter library for each process, and construct a parameter acquisition mode for actively retrieving data for the general assembly connection process parameter library.

[0032] Specifically, based on the set of skeleton process specifications for the process parameters used in the component assembly process, the data retrieval scheme, the data source, and the logical rules, construct the multi-dimensional input / output data form of the component assembly connection process parameter library, CLASS1{IN1; OUT1}, CLASS2{IN1, IN2,...INn; OUT1}, CLASS3{IN1; OUT1, OUT2, OUT3,...OUTn}, CLASS4{IN1, IN2, IN3,...INn; OUT1, OUT2, OUT3,...OUTn}; where CLASS1 is the unified identification of the program to support the initial data; CLASS2 is to support the logical inference of a unique result after multi-condition input; CLASS3 is to support the multi-dimensional definition after data input, and the output results of different dimensions can be applied in different scenarios; CLASS4 is to support the logical inference of different-dimensional results after multi-condition input, which can be applied in different scenarios.

[0033] Optionally, associate the data tables in the database according to the key fields in the database and data tables, formulate the data association relationship between the connected databases, and construct two parameter acquisition modes of uniformly pushing data and actively retrieving data; Active data retrieval mode: The process parameters of each process are related to the process specification template and assembly process where it is located. For different assembly processes, the acquisition logic rules of the process parameters of each process are different. According to the process specification template and its corresponding process, through the replacement symbols in the template, actively retrieve the information of the process parameter library for each process, and through the logical matching and reasoning judgment between the process parameter libraries, put the obtained parameter results into the replacement symbol position of the process parameters; Material library {Input: standard part drawing number; Output: connecting piece sandwich parts, sandwich part material grade, number of connecting pieces, type of hole-making area}; Standard part library {Input: Standard part drawing number; Output: Drawing number features, drawing number diameter features, strength characteristics}; Recycled standard part type library {Input: Drawing number features; Output: Recycled content}; Connecting part hole diameter library {Input: Drawing number diameter features; Output: Drawing number diameter code}; Fixed force tool library {Input: Standard part drawing number, strength characteristics, drawing number diameter code; Output: Fixed force tool drawing number, fixed force requirement}; Bonding pallet quality inspection library {Input: Drawing number diameter features, drawing number diameter code; Output: Inspection requirements}.

[0034] Unified push data mode: To avoid repeated retrieval of process parameters during the preparation of process specifications, a set of parameter libraries and matching logic rules are established uniformly. According to the process specification template and its corresponding processes, the process parameter library uniformly pushes general process parameter information to the processes and places it in the corresponding parameter positions of the processes; Standard operation procedure library {Input: Process specification template name, process name, drawing number features...; Output: Standard operation procedure number, standard operation procedure name}; Certification information library {Input: Process specification template name, process name, drawing number features...; Output: Certification code}; Inspection type library {Input: Process specification template name, process name, drawing number features...; Output: Inspection type}.

[0035] According to the structural form of the hole-making process parameter library and the designed input / output function mode, establish the association relationship between the component assembly hole-making process parameters and the eight hole-making process parameter libraries.

[0036] Optionally, in this embodiment, the method for constructing a component assembly connection process specification template includes: Define the aircraft component assembly elements that affect the aircraft component assembly connection process flow; Establish the association relationship between the aircraft component assembly elements and the aircraft component assembly connection process flow and construct the aircraft component assembly connection process flow; According to the aircraft component assembly connection process flow and the standard process library, establish the process specification template corresponding to the assembly scenario.

[0037] Specifically, define the component assembly elements that affect the component assembly connection process flow, specifically by clearly pointing out which elements will affect the component assembly connection process flow, including: According to the assembly design requirements and process requirements of aircraft components, defining whether the connecting piece is a double-threaded bolt, whether the connecting piece is a rivet, whether the connecting piece is an adhesive backing nut / screw, whether the connecting piece is a bolt / screw, whether the connecting piece is a constant force type Hi-Lok, whether the connecting piece is a Hi-Lok of the nut breaking cap type, and whether the connecting piece is a blind rivet are 7 component assembly elements that affect the entire component assembly connection process flow.

[0038] By adopting this embodiment, by combining the split skeleton process specification operations and steps with a more perfect process parameter library, a more perfect skeleton process specification template is generated, so that the compiled skeleton process specification document is more accurate.

[0039] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Any simple modification or equivalent change made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A method for compiling a process plan by adaptively splitting the work steps of the skeleton process, characterized in that, Including: First, based on the digital model information of the skeleton structure assembly, determine the parts to be assembled, construct a set of parts to form different piles, and mark the order of the piles and the order of the parts to be assembled within the piles according to the coordinates of the parts in each pile and the coordinates of the parts within the pile respectively; Second, parse the digital model information, obtain the digital model connection relationships between the parts to be assembled, and based on the digital model connection relationships, obtain the in-pile connection relationships between the parts within the piles and the inter-pile connection relationships between the parts between the piles; Next, generate rough processes according to the in-pile connection relationships and inter-pile connection relationships, and split the rough processes into fine processes according to the set of connector types; Then, construct a set of sorting fields according to the set of connector types, sort the rough processes and fine processes according to the set of sorting fields, and obtain the set of skeleton process planning processes; Finally, establish a process parameter library according to the set of skeleton process planning processes; establish the association relationship between the skeleton assembly elements and the set of skeleton process planning processes, and construct a skeleton process planning template; compile the skeleton process planning according to the digital model information, the skeleton process planning template, and the process parameters corresponding to the set of skeleton process planning processes.

2. The method for preparing a process specification by means of adaptive splitting of the skeleton process steps according to claim 1, wherein, The method of determining the parts to be assembled, constructing a set of parts to form different piles, and marking the order of the piles and the order of the parts to be assembled within the piles according to the coordinates of the parts in each pile and the coordinates of the parts within the pile respectively based on the digital model information of the skeleton structure assembly includes: Select the parts to be assembled on the aircraft to form different piles d ; Analyze the MBD digital model parts and part coordinates, and record the part as , and record the coordinates as , where part i is the i th part, poit i is the coordinates of the i th part; Mark the order of the k-th stack as , ([[]] x,y,z ) is the coordinate value of the part, represents the average coordinate of the part, is the minimum value among the average coordinates of all parts in the stack;​ Calculate the order of the parts to be assembled in the reactor according to the part coordinates , dsort i represents the order of the th part in the reactor, and is the average coordinate value of the i th part 3. The method for compiling a process specification by means of an adaptive splitting of the skeleton process steps according to claim 2, characterized in that, The method of parsing the digital model information, obtaining the digital model connection relationships between the parts to be assembled, and based on the digital model connection relationships, obtaining the in-pile connection relationships between the parts within the piles and the inter-pile connection relationships between the parts between the piles includes: Analyze the MBD digital model and construct the part relationship set ; Identify the in-pile connection relationships according to the part relationship set, and construct the first set of connectors between the in-pile parts , and mark the first order of the connectors in the first set of connectors as , where , ras i represents the order of the i th connector in the first set of connectors; Identify the inter-pile connection relationships according to the part relationship set, and construct the second connector set between the parts of the inter-pile , and mark the second order of the connectors in the second connector set as , where , rbs i represents the order of the th connector in the second connector set.

4. The method for preparing a process specification by means of an adaptive splitting of the skeleton process steps according to claim 3, characterized in that, The method of generating rough processes according to the in-pile connection relationships and inter-pile connection relationships, and splitting the rough processes into fine processes according to the set of connector types includes: Group the first set of connectors in a first order to obtain a first split group , obtaining rough processes among the parts within n stacks g n being the quantity of the nth rough process among the split parts within the stacks The second set of connecting parts In the second order Group them to obtain the second split group , and obtain the rough processes between the parts between the m stacks gb m is the number of the mth rough processes between the parts between the split stacks Construct a set c of connector types. According to the first disassembly group , the second disassembly group and the set c of connector types, split the rough processes between n in-pile parts and the rough processes between m inter-pile parts to obtain de fine processes, where de ≥ m + n.

5. The method for preparing a process specification by means of an adaptive splitting of the skeleton process steps according to claim 4, characterized in that, The method of constructing a set of sorting fields according to the set of connector types, and sorting the rough processes and fine processes according to the set of sorting fields to obtain the set of skeleton process planning processes includes: Construct a set of sorting fields according to the connector type set c; For a single rough process or fine process, form work steps according to the fields in the set of sorting fields; Complete the generation and sorting of the skeleton process planning processes according to the work steps, rough processes, and fine processes, and obtain the set of skeleton process planning processes.

6. The method for preparing a process specification by means of an adaptive splitting of the skeleton process steps according to claim 1, characterized in that, The method of establishing a process parameter library according to the set of skeleton process planning processes includes: Construct a component assembly connection process parameter library based on knowledge and rules, establish the association relationship between the connection process parameters and the process parameter library, and construct two parameter acquisition modes of unified push data and active retrieval data.

7. The method for preparing a process specification by means of an adaptive splitting of the skeleton process steps according to claim 1, characterized in that, The method of establishing the association relationship between the skeleton assembly elements and the set of skeleton process planning processes, and constructing a skeleton process planning template includes: Analyze one by one whether the connector is a component assembly element, associate the connector that is a component assembly element with the set of process planning processes, obtain the connection process, and then obtain the processes at the beginning part and the end part, and combine them to form a complete skeleton process planning template.

8. The method for compiling a process specification by means of an adaptive splitting of the skeleton process steps according to claim 1, characterized in that, A method for preparing a skeleton process specification according to the digital model information, the skeleton process specification template, and the process parameters corresponding to the skeleton process specification process set includes: First, according to the digital model information, define the type of connector process parameters, construct the acquisition logic of the connector process parameters, and then, in accordance with the required form of the skeleton process specification template, place the obtained connector process parameters in the corresponding positions of the process parameters and the skeleton process specification process attribute information in the skeleton process specification template to complete the preparation of the skeleton process specification.

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