KR101895785B1 - Auto-bridge modeling system and method for cutting member - Google Patents

Abstract

The present invention relates to an automatic bridge modeling system and method for a cutting member of a ship, and more particularly, to a modeling system and method capable of automatically designing a bridge capable of temporarily connecting a cutting small member in the course of designing a ship will be.
According to the automatic bridge modeling system and method for a cutting member according to the present invention, the characteristics of a small member are automatically analyzed and selected in consideration of the plate characteristics of the cutting work site after arranging the members in the cutting drawings in the nesting process during the ship designing process By designing various bridges according to the design standard, it is possible to prevent the process that the small member is dropped below the base plate after the completion of the cutting to lose the member or re-cut the member, thereby increasing the efficiency of the design work, This has the effect of cost reduction by improving productivity and reducing raw material input.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an automatic bridge modeling system and method for a cutting member,

The present invention relates to an automatic bridge modeling system and method for a cutting member of a ship, and more particularly, to a modeling system capable of automatically designing a bridge capable of temporarily connecting a cut- And methods.

Drying of the ship is carried out through various processes such as visualization, nesting, cutting, assembling, etc. from design modeling to designing until production. The nesting process refers to the process of arranging the members to be cut, ), A collar plate, and the like are also nested.

Nesting refers to the process of optimally arranging a part or member represented by a two-dimensional closed figure in a ship's design CAD program in a base plate such as a rectangle.

A bracket is a triangular or rectangular hull structural reinforcement, which means that welding takes place. The reason for attaching the brackets is that it takes the greatest moment at both ends of the longee, so it is more effective than raising the longee to withstand the big moment.

The collar plate is a piece plate that is attached to the web to prevent notches or openings holes in the web due to longitudinal stiffeners. In the section corresponding to the partitions, a slot through which the longees pass is formed and the partition walls must be blocked, so that a collar type is used. When a drain is required for the structure, an open type structure is attached to the structure, May also serve as reinforcements.

One of the items to be considered in the nesting design step is that when the small member is separated from the disk member after the completion of cutting, it often falls down below the groove of the base plate when the member is smaller than the groove of the base plate (large workbench).

Considering the surface characteristics of such a cutting work site, a bridge design work is performed to temporarily connect the small members.

Conventionally, since the bridge design work is dependent on the manual operation of the designer, there is a problem that a dropping torch breakage due to the bridge design omission frequently occurs, or a loss due to addition of additional raw materials is caused due to re- have.

The present invention provides an automatic bridge modeling system and method for preventing damage or loss of a member by temporarily connecting a cutting member of a ship in order to solve a problem of a bridge design process which is dependent on a conventional manual operation .

According to an embodiment of the automatic bridge modeling method for a cutting member according to the present invention, there is provided an automatic bridge modeling method comprising: executing a nesting program; A nesting step of nesting a plurality of members; A bridge modeling program driving step of driving a bridge modeling program after the nesting of the member is completed; Recognizing an attribute of at least two of the members; A bridge generating step of automatically generating a bridge connecting the at least two members based on the recognized property of the at least two members and a set bridge design criterion; And applying the generated bridge to the nesting program.

Advantageously, the bridge modeling program comprises a plurality of schematized bridges and the bridges selected by the selection of at least one of the schematized bridges are configured to connect the at least two members.

Preferably, the schematized bridges have different shapes depending on the application, and are formed with different positions, widths, and intervals.

Preferably, the method further includes the step of selecting the schematized bridge and changing an attribute of the generated bridge.

Preferably, the bridge design criterion is set based on the characteristics of the table.

According to an embodiment of an automatic bridge modeling system for a cutting member in accordance with the present invention, there is provided an automatic bridge modeling system for a cutting member comprising at least one processor and a memory, the processor comprising a nesting program and a bridge modeling program Processing instructions for nesting a plurality of members, recognizing attributes of at least two members of the members, and determining, based on the recognized at least two member properties and the established bridge design criteria, And applying the generated bridge to the nesting program, and wherein the memory is operable to generate the nesting program and the bridge modeling program, a result of nesting the plurality of members, The attributes of the plurality of members, the bridge design criteria An attribute of the generated bridge, and a result of applying the generated bridge to the nesting program.

Advantageously, the bridge modeling program comprises a plurality of schematized bridges and the bridges selected by the selection of at least one of the schematized bridges are configured to connect the at least two members.

Preferably, the apparatus further comprises input means for inputting a command for selecting at least one of the schematized bridges.

Preferably, the display device further comprises display means for providing an execution screen of the nesting program and the bridge modeling program.

Preferably, the memory is remotely connected to the processor in a wired or wireless manner.

According to the automatic bridge modeling system and method for a cutting member according to the present invention, the characteristics of a small member are automatically analyzed and selected in consideration of the plate characteristics of the cutting work site after arranging the members in the cutting drawings in the nesting process during the ship designing process By designing various bridges according to the design standard, it is possible to prevent the process that the small member is dropped below the base plate after the completion of the cutting to lose the member or re-cut the member, thereby increasing the efficiency of the design work, This has the effect of cost reduction by improving productivity and reducing raw material input.

1 is a schematic view showing a process of drying the ship of FIG. 1; FIG.
2 to 5 are views showing various embodiments according to the use of the bridge in the automatic bridge modeling system and method according to the present invention.
FIG. 6 is a flowchart illustrating an automatic bridge modeling method according to the present invention.
7 is a view showing an embodiment of a nesting process of a plurality of members by executing a nesting program.
8 is a view showing an embodiment of an automatic modeling program according to the present invention.
FIG. 9 is a view showing an embodiment of a bridge design completed by an automatic bridge modeling system and method according to the present invention.
10 is a diagram showing a schematic diagram of a configuration of an automatic bridge modeling system according to the present invention.

The construction and operation of an automatic bridge modeling system and method for a cutting member according to an embodiment of the present invention will now be described in more detail with reference to the accompanying drawings.

The automatic bridge design modeling system and method for the cutting member of the present invention belongs to a part of the designing process of the ship. When the small member is separated from the disk member after completion of cutting, when the member is smaller than the groove of the base (large workbench) And a bridge construction process for temporarily connecting the members in consideration of the plate characteristics of the cutting work site.

Conventionally, such a bridge design is designed only by the manual operation of a designer, which causes a problem. The present invention solves this problem by automatically designing a bridge according to a design standard for each shape of a bridge And more particularly,

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, the technical terms described below are defined in consideration of functions and the like in the present invention, and these may be changed according to the intention or custom of the person skilled in the art. Therefore, the definitions of the terms should be judged based on the contents described throughout the specification.

1 is a schematic view showing a process of drying the ship of FIG. 1; FIG.

The shipbuilding process starts with the process of shipbuilding. The shipbuilding process includes the shipbuilding requirements (ship type, size, route, speed, delivery date, etc.), the dry specification, the shipbuilding capacity and order (110) to the shipowner, and the shipowner selects and contracts the shipyard in accordance with the conditions (111). In some cases, the shipowner chooses the shipyard directly.

The ship design process includes the basic design 120, the detailed design 121, and the production design 122 process. The design process is carried out sequentially and largely divided into hull (hull) design and chair design. The design process may further include an initial design and a concept design process, and the initial design and conceptual design processes located at all stages of the basic design 120 may include the requirements (ship type, loading capacity, size, Line speed, ship structural strength, etc.). It is the design which confirms the performance of the concept ship and the developed ship by the past ship performance, calculation and experiment, and confirms the basic performance of the ship and equipment specification.

The basic design (120) process is generally the drawing required for the design and drying. Based on the main performance of the ship determined in the initial design stage until the detailed design (121), the design of the hull structure, the main engine of the engine room, the arrangement of various equipments, the piping system diagram, the arrangement of the electric equipment, Equipment, and residential facilities. Drawings, calculations, and specifications drawn from this process should be approved by the shipowner, and drawings related to safety shall be approved by the Society.

The detailed design process (121) is to create the actual construction drawings necessary for ship building. The results of the basic design are expressed in detail for each sub-part, and the overall performance calculation based on the ship calculation and the detailed design of the hull structure Process. The exact quantity of raw materials required for production and the ordering of equipment are derived, material order is made, and data for production plan is supplied.

The production design process 122 is a step of designing a detailed drawing and a detailed drawing for processing a member according to the result of the detailed design 121. The process of precisely deriving the production information (NC machining information, machining order, method, work drawings showing the connection and dimensions of the members, mounting details of various machine equipments, etc.) with an emphasis on workability and economical efficiency to be.

The shipbuilding works will be stored in the steel dock when the steel products ordered by the shipyard (steel materials tested by each class) are received from the steelworks. The steel pretreatment (grinding and rust prevention coating for rust removal) is carried out by the order of the construction, and it is brought to the processing factory.

The machining 140 process includes machining operations such as marking, cutting, and bending (forming) at the machining center.

The assembling work includes a small-sized and large-sized assembly process. The members are assembled and welded together in the sub-assembly, and transferred to the control station to form blocks. When the block is completed, it is mounted as a large block that can be mounted on the crane, and then the watertight welding is completed and it is launched into the ship or the dock.

The steel assembly process will be described in detail. The steel assembly process includes a subassembly process 141 for joining members together, a subassembly for assembling a flat block, a curved outer plate block, an upper structure block, And a large assembling process 142, which is a process of assembling the assembly and the intermediate assembly while assembling the intermediate assembled block into a size that can be mounted on the dock by forming the block as a block.

The preceding chair (130) refers to the process of preliminarily mounting and mounting fittings or pipes in the block while the block is being formed.

The pre-loading (P.E.) process 144 is a process of joining large assembled blocks into large blocks to the extent that they can be lifted by a crane before loading the dock into the dock.

The mounting process 145 is the last step of the hull construction so that the blocks transferred during the assembly process are automatically and manually welded from the ship or the dock to form the overall shape of the ship.

The construction work is carried out in parallel with the hull construction work, and the work such as plumbing and plumbing work which attaches various mechanical device and electric device including the main engine necessary for the ship 's operation to the hull and connects the attached devices to one system, Construction of residence facilities of crew, work to paint the surface and inner surface of the body so as not to rust.

The outer shell plating 150 is a process directly related to preventing corrosion of the hull by repeating painting-drying-painting.

The hexadecimal number 151 is the process of loading the block in the dock-welding-hull completion-discharging the ship from the dock.

The seawall design 152 is a process that completes the entire process including the installation of machinery, piping, electrical equipments, and confirmation inspection, etc., which is dug into the seawall after launching.

The commissioning (160) examines the performance of various equipment installed on the ship individually according to the specifications required at the contract when the construction of the hull and the construction are completed.

Mooring commissioning refers to trial operation of various equipment operation by mooring on the quay, and marine commissioning tests ship speed, fuel consumption, maneuverability, performance of main engine and propulsion unit in the presence of shipowner and classification agency.

This test is called "Sea Trial" and can only be delivered to the ship by the shipowner after passing the test.

The automatic bridge modeling system and method for the cutting member of the present invention is included in the production design 122 in FIG. 1 and relates to the automatic design of a bridge that temporarily connects the cutting members.

A member in the present invention includes all parts or accessories that have a certain shape and are cut from the base material.

2 to 5 are views showing various embodiments according to the use of the bridge in the automatic bridge modeling system and method according to the present invention.

FIG. 2 shows an embodiment of a line bridge for connection of a small member. In order to prevent loss of a small component of 300 to 450 mm or less, a line-shaped bridge having a constant width is designed.

And to prevent the small member cut by the plate groove of Fig. 2 from falling out below the platen when the plate is separated from the base material after completion of cutting.

The width or spacing of the bridge can be set differently depending on the length of the member.

FIG. 3 shows an embodiment of a bridge for preventing deformation of a member, and a bridge construction is missed in a member having a bending curving process, thereby causing defective curving and member deformation.

FIG. 4 shows an embodiment of a bridge for safety of fall prevention of a worker. In the presence of a large hole as shown in FIG. 4, there is a risk of a fault occurring while the worker is walking while assembling, We construct the bridge.

FIG. 5 shows an embodiment of a bridge for an opening made for a temporary access of a worker in the course of drying a ship, where the underlined portion is welded again after the operator's work in the area is completed It is sealed.

Therefore, the bridge is constructed so as to facilitate the cutting of the member while preventing the deformation between the member and the base material while making the opening temporarily.

The bridge width in the embodiment of Fig. 5 is 50 mm, and the spacing of the bridges is 600 mm (max).

The width or spacing of the bridges can be suitably adjusted in consideration of deformation in the course of curving and conveying.

FIG. 6 is a flowchart illustrating an automatic bridge modeling method according to the present invention.

The automatic bridge modeling according to the present invention starts with executing the baresting program belonging to a part of the nesting process (S610).

The nesting program is executed to nest a plurality of members (S620).

7 is a view showing an embodiment of a nesting process of a plurality of members by executing a nesting program.

After the nesting of the plurality of members is completed, the bridge modeling program is driven (S630).

8 is a view showing an embodiment of an automatic modeling program according to the present invention.

The automatic modeling program includes a plurality of schematized bridges, wherein the bridge selected by at least one selection of the schematized bridge connects the at least two members selected in the nesting program.

The schematized bridges have different shapes depending on the application, and the positions, widths, and gaps of the selected bridges or automatic bridges are different from each other.

In Figure 8, seven different types of bridges are schematized but may be added as needed.

In FIG. 8, the gap bridge functions to 1) connect one member to the SCRAP portion of the disc steel by a bridge, when two or more members can not be connected by a line bridge according to the member nesting form 2) It is a function used to set up the section where the improvement shape is applied upside down to a certain section ending at a specific starting position on one side face of the cutting member, or sections without improvement construction in a specific section, It enables automatic cutting.

LINE BRIDGE is designed to 1) perform the function of determining the width of a bridge by giving an option to connect two members or a plurality of members requiring a bridge construction according to a small member or a design standard, 2) When there is a hole in the main plate welding seam line and the welding line is disconnected, a closed curve is formed in order to maintain continuity of welding, and temporary tapping is performed by filling a certain interval of hole.

SELF / HOLE BRIDGE can be used to make a closed curve by constructing a bridge in NOTCH or OPEN LIMIT including circle and square. Welding on HOLE divided by welding SEAM inside HOLE. Bridge for TAP PIECE And the width of the bridge width can be determined by adjusting the bridge width option.

The PRE EDGE BRIDGE selects two optional members of the designer to enlarge the gap between the nested member and the member to set an arbitrary length margin at the end of the member, It makes marking line and performs CNC auto marking at the center position.

AUTO BRIDGE automatically checks the shape and properties of all members nested in a single sheet of steel in the system, compares them with design criteria, analyzes the need for construction of the bridge, Or line bridge automatically. The width of the bridge can be adjusted through the option and the gap (GAP) or line bridge can be selectively applied alone. If the designer chooses the dictionary option, Perform it automatically.

The safety bridge (SAFETY BRIDGE) protects the bending member from deformation during the walk when the operator has a temporary hole in the member which is followed by the large cutout hole or the bending process after cutting the member. , The designer can adjust the width, spacing and quantity of the bridge by giving the designer the option. The system automatically finds the end of the ROUND and performs the function of constructing the bridge by setting it as the starting point of bridge construction.

After the driving of the bridge modeling program, the attributes of at least two of the nested members are automatically recognized (S640).

In the case of the auto bridge in FIG. 8, automatically recognizing the shape and the attribute of the nested member, but when it is desired to create a bridge other than the automatic bridge, selecting at least two members to be created May be included.

Therefore, the member attribute is recognized for at least two selected members.

A bridge connecting the at least two members is automatically generated based on the recognized at least two member properties and the set bridge design criterion (S650).

The generated bridge is applied to the nesting program (S660).

(Width, position, interval) of the generated bridge by selecting a schematic bridge in the bridge modeling program.

The bridge design criteria will depend on the application of the bridge, but may be set based on the characteristics of the platform as mentioned above. Especially, the small size of the small member must be designed in consideration of the characteristics of the base (large workbench).

9 is a view showing an embodiment of a bridge design completed by an automatic bridge modeling system and method according to the present invention, wherein a plurality of bridges 910 to 950 are enlarged to show a partial area of a cut- will be.

10 is a diagram showing a schematic diagram of a configuration of an automatic bridge modeling system according to the present invention.

An automatic bridge modeling system for a cutting member according to the present invention can be implemented similar to a system capable of running a ship's general CAD (CAD) program or a nesting program, A processor 1000 and at least one memory 1010 capable of storing data or programs.

And input means for inputting a command for selecting a schematic bridge, display means for displaying input information, an execution screen of the nesting program, and an execution screen of the automatic bridge modeling program.

The input means may be a means for inputting data in a computing system, such as a keyboard, a keypad or a mouse.

The display means is a means for presenting a modeling or execution result in a computing system such as a monitor and provides a drawing view in a state where the nesting of the absence of the nesting program in Figs. Means means by which a plurality of schematized bridge views in an automatic bridge modeling program are provided and displayed by providing a member cutout state diagram including the generated bridge.

The processor 1000 may be a microprocessor or some other type of control circuit, such as an application-specific integrated circuit (ASIC). One or more system processors, digital signal processors, processing modules, dedicated hardware, specific integrated circuit) or other circuitry capable of processing data and executing software instructions.

System architectures, system processors, reduced instruction set computing processors, digital signal processors, application specific integrated circuits (ASICs), custom logic, field programmable gate arrays (FPGAs) And may include one or more processing units selected from other types of processing devices capable of processing data and performing software instructions.

The memory 1010 may be any other type of memory capable of storing instructions that enable it to access such things as RAM, ROM, FLASH RAM, FLASH ROM, optical memory, magnetic memory or data and / Memory.

 The memory may be located within the computing system in conjunction with the processor, or may be located in a remote area, which may be in the form of a server in the database and connected to the processor in a wired or wireless manner.

The processor 1000 executes a nesting program for member nesting during the drying process of the ship and a bridge modeling program for temporary connection of the members and executes at least two of the members and nesting members And automatically operates to generate a bridge connecting at least two members based on the recognized at least two member properties and the set bridge design criteria and to apply the generated bridge to the nesting program .

Processor 1000 performs a plurality of instructions, data processed and generated bridges to implement an automatic bridge modeling system and method for a cutting member in accordance with the present invention to be applied to an absent nesting program.

The memory 1010 stores a nesting program and a bridge modeling program, a result of nesting a plurality of members, a property of a plurality of members, a bridge design criterion, attributes of the generated bridge, and the result of applying the generated bridge to the nesting program do.

The memory 1010 also stores a plurality of instructions, data, processing results, and the like that can be performed by the processor 1000. [

The bridge modeling program of the present invention includes a plurality of schematized bridges and the bridges selected by the selection of at least one of the schematized bridges are configured to connect the at least two members.

The execution screen of the bridge modeling program is displayed and provided in a window separate from the window displaying the execution result of the nesting program.

The automatic bridge modeling system for a cutting member of the present invention may further comprise input means for inputting a command for selecting at least one of the schematized bridges.

The automatic bridge modeling system for the cutting member of the present invention may further include display means for providing an execution screen of the nesting program and the bridge modeling program.

A computer readable medium storing a computer readable program that can perform an automatic bridge modeling method for a cutting member according to an embodiment of the present invention may be provided within the scope of the present invention, (E.g., CD-R, DVD, etc.) and a carrier wave (e.g., via the Internet) Transmission).

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but many modifications and equivalents may be resorted to will be. Accordingly, the true scope of the present invention should be determined by the technical idea of the appended claims.

Claims (10)

A program executing step of executing a nesting program for the absent nesting during the drying process of the ship;
A nesting step of nesting a plurality of members;
A bridge modeling program driving step of driving a bridge modeling program for temporary connection of the cutting member after the nesting of the member is completed;
Recognizing an attribute of at least two of the members;
A bridge generating step of automatically generating a bridge connecting the at least two members based on the recognized property of the at least two members and a set bridge design criterion; And
And applying the generated bridge to the nesting program,
Before the bridge generation step,
Further comprising the step of setting a bridge design criterion in consideration of the surface characteristics of the cutting workshop,
Wherein the bridge generating step generates a bridge connecting the at least two members based on the attributes of the selected bridge when a bridge schematized according to the bridge design criteria set through the setting step among the plurality of schematized bridges is selected Wherein the automatic bridge modeling method comprises: The method according to claim 1,
The bridge modeling program
Wherein the bridge is configured to connect the at least two members including the plurality of schematized bridges and the bridge selected by the selection of at least one of the schematized bridges. The method of claim 2,
Wherein the schematized bridge has a different shape depending on the application, and the generated position, width, and interval are different from each other. The method of claim 2,
And selecting the schematized bridge to change an attribute of the generated bridge. ≪ Desc / Clms Page number 21 > delete An automatic bridge modeling system for a cutting member comprising at least one processor and a memory,
The processor
Executing a nesting program for nesting absent during the drying process of the ship and a bridge modeling program for temporary connection of cutting members, processing commands for nesting a plurality of members, And automatically generates a bridge connecting the at least two members based on the recognized at least two member properties and a set bridge design criterion, and applies the generated bridge to the nesting program And
The memory
The nesting program and the bridge modeling program, a result of nesting the plurality of members, an attribute of the plurality of members, the bridge design criterion, an attribute of the generated bridge, Save the results,
Wherein the processor sets a bridge design criterion in consideration of the surface characteristics of the cutting workshop and selects the at least two members based on the attribute of the selected bridge when a schematic drawn according to the set bridge design criterion among the plurality of schematicized bridges is selected Wherein the bridge is connected to the bridge member. The method of claim 6,
The bridge modeling program
Wherein the bridge is configured to connect the at least two members including the plurality of schematized bridges and the bridge selected by the selection of at least one of the schematized bridges. The method of claim 7,
Further comprising input means for inputting a command to select at least one of said schematized bridges. The method of claim 6,
Further comprising display means for providing an execution screen of the nesting program and the bridge modeling program. The method of claim 6,
Wherein the memory is remotely connected to the processor in a wired or wireless manner.

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