Mastering the Art of Nesting Files for Sheet Metal Cutting

Improving the allocation of resources as well as minimizing waste is fundamental within any manufacturing process, including cutting sheet metals. Everything fundamentally starts with nesting files, which is a very complex procedure that optimizes material usage by adjusting the arrangement of several constituent parts into one singular sheet of metal. This extensive guide uncovers nesting techniques, tools, and strategies that are efficient so that manufacturers can save time and cost while increasing productivity. This guide is essential for anyone engaged in fabrication or sheet metal work, regardless of experience.

What is Nesting in Sheet Metal Fabrication?

Nesting in sheet metal fabrication refers to the allocation of multiple components within a single sheet of material in such a way that material economy is achieved while wastage is minimized. Careful arrangement of the parts minimizes scrap while guaranteeing accurate cuts and maximum resource utilization. This is important to enhance the efficiency of production processes, reduce costs, and optimize the overall effectiveness of fabrication projects.

Understanding the Nesting Process

The nesting stage is executed with custom-computing applications that optimize the spatial arrangement of components on a given material sheet. These programs try to take into account parts sizes, construction/working material, and the cutting technology in such a manner that minimal scraps are left, while productivity is maximized. The automated design layout ensures accuracy, saves materials, and increases the speed of production processes.

Benefits of Nesting Your Parts

The advantage of nesting parts correctly is the nth degree of usefulness, particularly in industrial manufacturing and production environments. For instance, one of them is material savings. In a research study, nesting was found to minimize material waste maximally by 20-30 percent. This, in turn, leads to substantial savings, particularly with expensive raw materials like metals or composites. Added to this, minimization of waste contributes to sustainable practices since less material translates to minimized excess disposal.

Moreover, nesting enhances production efficiency. Nesting parts on a sheet translates to fewer cutting paths, which means less machine run time. Machine run time can also be drastically reduced by as much as 40%. These two factors mean that project completion time will be much quicker, which in turn increases production output. Advanced nesting software can easily be integrated with up-to-date machinery due to its programmable algorithms. These tools can calculate the adopted methods of cutting, be it using laser, plasma, or waterjet technologies.

Nesting has several advantages, but precision is the main benefit delivered. Automation provides tools guarantee provided put tools guarantee alignment and spacing, thus the defects due to misalignment are minimal. This increases product quality which is the goal while lowering expenses that stem from complex rework or repair procedures. When a company adopts these practices, the result is observable higher profits and enhanced operational performance.

Types of Nesting Techniques

Rectangular Nesting

When it comes to the simplest and most frequently used techniques, rectangular nesting is one. This method places parts in a rectangular grid in an attempt to cut with a minimal total cutting distance which will reduce time and cost. Research suggests that rectangular nesting provides 20% savings on materials, depending on the intricacy of the designs being processed. It works best with components that have straight-edged geometries, thus decreasing the amount of gaps and unused areas.

True Shape Nesting

Also known as irregular nesting, true shape nesting concentrates on the most efficient arrangement of parts that come in different shapes so that they fit within one contour. This method is best suited for complex or curved designs because it allows for more effective utilization of material in a single flat sheet. Automated software algorithms are vital because they compute the necessary placements to eliminate excess waste. Compared to other techniques, true shape nesting provides 10-15% improvement in material yield making it more applicable to the aerospace industry and metal fabrication than others.

Common-Line Nesting

Shared edge or common-line nesting reduces unnecessary travel distance of laser cutting by allowing parts that are adjacent to share their edges. This leads to savings in time spent cutting and energy consumption, thereby improving production costs and efficiency. For example, industries that employ the use of high-speed laser cutters can realize as much as a 30% reduction in cutting time with the use of common-line nesting. This results in substantial savings in operational expenses.

Dynamic Nesting

Dynamic nesting accommodates changes within the production requirements as they occur, thereby ensuring that all parts contained within a dxf file are utilized. It is widely applicable in just-in-time (JIT) manufacturing processes where order requirements change constantly. Dynamic nesting makes it possible to agile resource utilization/efficiency and improve responsiveness to changes while minimizing material wastage of various batch sizes with the aid of advanced nesting software.

Cluster Nesting

Cluster nesting entails the arrangement of shapes of similar or identical parts as closely as possible, which can be highly useful in mass production processes. The method helps in achieving a balance between the speed of production and material efficiency. When producing sets of components that are supposed to be identical or are machined in similar laser cutting sequences, cluster nesting can be very useful as it saves machine idle time.

3D Nesting

Firms dealing with three-dimensional parts use 3D nesting for optimization within a volume as opposed to simply on a surface. This technique is used in areas such as additive manufacturing and packaging, where material or space conservation is critical. 3D nesting improves overall working efficiency and reduces waste through the determination of the most optimal stack or placement pattern.

Modern nesting techniques are bound to have more optimal results with advanced CAD/CAM systems that can take full advantage of the components positioned on the sheet. The application of these technologies leads to greater accuracy and efficiency which makes working processes lean and eco-friendly.

How to Optimize Your Nest Files for Sheet Metal Cutting

Best Practices for Nesting

Efficient Use of Material

When arranging different components, position them as closely together as possible to minimize material loss. Attempt to fill unused areas by rotating or mirroring parts within the design limits as specified.

Grouping Similar Parts

Put together similar parts that require machining cuts of the same thickness or those made of the same material to make cutting and setup quicker.

Consider the Kerf Width

Be sure to include the kerf width in all your designs which pertains to the width of material lost due to cutting, to achieve the set dimensions.

Optimize Cutting Sequence

Set the cutting order in such a way that movements that are not useful are avoided, this helps in prolonging the life of your machine while also saving time.

Regularly Update Software

Ensure you have the most current version of CAD/CAM because with every update comes additional tools, like powerful algorithms for nesting that guarantee order and maximum efficiency.

Following these guidelines will assist with accuracy, decrease expenses, and increase the overall efficiency of cutting operations in sheet metal work.

Using Nesting Software Effectively

Focus on Material Optimization

Review nesting layouts to achieve optimum material usage while minimizing waste and costs.

Establish Realistic Boundaries

Verify that all machinery parameters along with materials, such as sheet thickness and cutting tolerances, are fully integrated into the software machined to the end desideratum.

Take Advantage of Automation Capabilities to organize components on a plate more efficiently.

Employ automated nesting features provided by the software in order to optimize the workflow and obtain desired layouts with little or no alteration to the layouts.

Examine and Approve Results

Always verify the specified nesting patterns to ensure that intended project goals are achieved and check for any mistakes prior to commencing production.

By employing these techniques, users can effortlessly obtain the desired outcomes when using nesting software for reliability, efficiency, and cost savings.

Advanced Nesting Optimization Tips

Optimize Material Utilization

Modify nesting settings in a way that maximizes the use of raw materials and minimizes waste. Automated layout generators and custom part prioritization can be employed for better material use.

Leverage Batch Processing

Simultaneously design multiple components to increase efficiency and reduce time spent working. This method is particularly beneficial with monotonous work and in large production runs, since parts can be laid out as optimally as possible on the sheet.

Integrate Material Specification

Enter exact material specifications, for example, thickness and type, to improve nesting accuracy and ease of use errors during later stages of fabrication.

Regular nesting software analysis updates may improve the performance of material nesting optimization and file format compatibility.

Nesting software should be updated regularly to ensure the best possible optimization methods are employed.

What Role Does DXF Files Play in the Nesting Process?

Introduction to DXF Files

Due to their use with different types of CAD and CAM software, DXF (Drawing Exchange Format) files are commonly used during the nesting procedure. DXF files developed by Autodesk enable data exchange and are beneficial for communication between design and manufacturing processes. Vector image data, alongside metadata, such as layers, line types, and geometries is stored in these files, and these pieces of information are vital for nesting accuracy.

The ability to support detailed designs in 2D and 3D, which are crucial for accurate cutting and fabrication, is one major advantage of DXF files. For instance, their use in laser cutting means that these DXF files present geometric data that help minimize material waste while maximizing efficiency. Recent industry research shows that over 70% of nesting manufacturing processes use DXF files for data transfer, which shows their importance in the industry.

DXF files support a wide range of operating systems and software programs, which means that they are not bound to one specific platform. This promotes flexibility and scalability in production environments, especially for companies with diverse machinery and tools. Incorporating DXF files into the nesting process provides manufacturers with enhanced accuracy, improved turnaround time, and lowered operational costs.

How to Create DXF Files for Nesting

Designing DXF files for nesting requires both mechanical accuracy and the appropriate industry design software. Use the following guidance to create precise and effective DXF files for nesting processes:

Step 1: Choose CAD software 

You will want to use Computer-Aided Design (CAD) software that is capable of using DXF files. AutoCAD, SolidWorks, and Fusion 360 are great solutions because they can draft and export DXF files. For simpler designs, free software like LibreCAD can also be used.

Step 2: Develop the geometry 

To start, develop the design or part geometry that will be used for nesting. Ensure all measurements are precise, and do not add excessive complexity to allow the file to remain light. When working with cutting operations, be mindful of closed-loop contours to minimize complications during nesting.

Step 3: Use layers efficiently 

Different elements within the design (e.g., cut lines, marks, or insert holes) should be managed with individual layers. Efficient layer management enables peripheral processes, like CNC cutting, to utilize the information correctly. Named layers should follow a standard within and across machines and teams.

Validate and Simplify the File

Prior to exporting, check the design for unnecessary components, overlapping edges, or broken vectors that might conflict with nesting algorithms. Where necessary, modify the design to achieve processor requirements.

Export as DXF Format

After the design is put together, utilize your CAD software’s export feature to save the file as a DXF. Be sure to choose an appropriate version of the DXF (like 2010 or 2018) that meets the nesting software and machinery compatibility requirements.

Test the DXF File

Check the accuracy of the nested frame by importing the DXF file into the nesting software. Check the integrity and compatibility of the file with the required tools or machines using the preview functions. This step helps reduce mistakes during the actual manufacturing processes.

Leverage Automation Tools

If you frequently work with complex designs or need to create DXF files repetitively, think about the possibility of automation tools or APIs that integrate with CAD software. These tools can help with monotonous tasks and ensure the output files are consistent.

Common Issues with DXF Files and Solutions

1. Damaged Files and Lost Information

A notable concern of DXF files is the partial loss or complete corruption of information, owing to files not being saved properly or software incompatibility. This can have CAD drawings missing entities, misalignment, or files being simply unusable. To rectify these problems, adopting automated file backup protocols alongside stringent file validation processes is a necessity. Moreover, making sure every piece of software in the workflow is updated to the latest version can help mitigate the chances of corruption due to incompatibility.

2. Problems Derived from Compatibility Between Software Versions

CAD software, or even different tiers of the same software, may have different ways of rendering and interpreting DXF data which may result in geometries being distorted or entire files being unrecoverable, which is especially the case for nested DXF files. A paradigmatic case is the saving of files in particular non-standard DXF variants which older tools simply cannot process. To counter this, it is best to stick to formats that are broadly supported, such as R12 or R14 ASCII, which have the highest coverage in cross-platform application support. The use of CAD interoperability tools or other standardized validation software helps mitigate the incompatibility issue as the files will be validated before being sent out.

3. Redundant File Size

The larger DXF file’s inefficient detailing or complex splines are responsible for slowing down CNC processing speeds or causing machine faults. Streamlining file structure by extracting unnecessary layers, annotations, or unused blocks may lead to up to 40% reduction in size. Replacing complex curves with an array of linear segments using simplification algorithms increases processing efficiency with no change to accuracy.

4. Scaling and Other Sizing Relative Issues

Scaling mistakes like missing CAD and CNC machine unit affiliation remain prevalent, for example, unit changes can cause tenfold increases or decreases in output after reaching the design stage. Standardized unit settings and communication throughout the workflow solve the problem set. Employing software that searches for uniformity mismatches before CNC execution offers a realistic solution.

5. Problems with Layering and Layers that are Overused

Layers in DXF files are often mismanaged, causing disorganized hyper-chaotic file structures that make processing designs in CNC machines extremely challenging. It has been reported that merging and rationally sorting layers according to their function (e.g., engraving and cut paths) can enhance processing speed by 25 percent. Eliminating redundant layers and establishing layer-naming protocols facilitates better communication between the design software and the production tools.

By tackling these major concerns, and adopting organized solutions to those problems, manufacturers can reduce inaccuracies in DXF workflows while improving productivity and accuracy at the same time. Such developments provide more consistent and affordable CAD/CAM operations.

How to Use Nesting Software for Efficient Sheet Metal Cutting

Top Nesting Software Tools

SigmaNEST is a well-liked option for automated nesting functions or dedicated nesting software due to its sophisticated features.

As one of the popular nesting software solutions, SigmaNEST is widely known in the sheet metal industry. It is specially configured to work with various types of cutting machines such as laser, plasma, waterjet, and punch press, all of which require optimum material utilization. SigmaNEST has shown higher efficiency in reducing material waste, increasing the speed of cutting, and optimizing the sequence of tool paths. After implementation, numerous manufacturers declare savings in materials of 5-15%, in addition to savings in cycle times. Moreover, advanced algorithms facilitate the dynamic nesting of parts that are complex and non-standard in shape.

TRUMPF TruTops Boost  

This is an integrated CAD design chaining software together with nesting and machine control functionalities that operates from a single interface. It is very popular because of the close integration into TRUMPF cutting machines. The software’s enhanced intelligent nesting allows for better use of the material at hand, and its analysis tools, which function during production scheduling, can simulate costs for materials as well as the production effort.

Lantek Expert

Lantek Expert is a comprehensive nesting software, designed for use with almost every CNC cutting technique available today, it is known for its accuracy and ease of use. The user has both CAD and CAM options available, thus ensuring that part geometries can be created and nested in the simplest of ways. Its automatic nesting feature has a focus on material savings, which frequently reach as high as 90-95%. Unlike other software, Lantek is fully equipped with reporting features, offering advanced information on the consumption of materials, scraps, and overall production statistics.

ProNest by Hypertherm

ProNest is a premium nesting software used chiefly in thermal cutting processes, it provides intelligent features, such as advanced true-shape nesting and automated part prioritization, as well as custom reporting. Additionally, ProNest provides direct interfaces to ERP and MRP systems enabling user-friendly production control. Highlights of the program include better material usage and improved operational efficiency by as much as 20%.

CAMduct

Autodesk’s CAMduct targets the manufacturing of sheet metal for refrigeration, ventilation, and air conditioning (HVAC) systems along with ducts. It has an impressive range of tools for automatic nesting and parametric modeling which enable accurate part and material optimization and directly address material waste concerns. The extensive library of pattern files paired with CNC machine capabilities makes CAMduct a dependable selection for custom fabrication endeavors.

With the implementation of these advanced nesting software solutions, manufacturers are bound to improve material utilization, enhance productivity, and cut down expenses. Each software has distinct functionalities designed to meet different requirements which guarantees that effective answers are available for both straightforward and more intricate cutting actions.

Features of Nesting Software in Fusion 360

The nesting software of Fusion 360 incorporates sophisticated features aimed at facilitating the manufacturing process and improving material efficiency. My experience with automated nesting suggests that it effectively attempts to arrange parts in a manner that reduces waste as well as time. Furthermore, the tool has multi-sheet nesting capabilities where different types and thicknesses of sheets can be optimized in one job. Also, it works effortlessly with CAD and CAM tools in the Fusion 360 environment which enables design, simulation, and manufacturing to be carried out together. With these capabilities, it stands out as an ideal application for complex projects that require a high level of accuracy and efficiency.

Comparing Nesting Software Resources

While comparing available nesting software resources, some elements that should be considered include material application, degree of personalization, integration, and user friendliness. For example, Fusion 360 has an integrated environment that enables users to perform CAD, CAM, and nesting functions in a single seamless workflow. In addition, its automated nesting features have material application rates of 90% or more in ideal cases, and this greatly helps to minimize waste in manufacturing processes. Also, customization is enabled through adjustable nesting parameters that provide versatility for different project needs.

Other nesting software resources, for example, SigmaNEST and NestFab, offer competitive functionalities as well. SigmaNEST has strong name recognition because it is arguably the most compatible nesting software with laser, plasma, and water jet cutting machines. It also has high-performance scrap reduction, along with speed enhancement, algorithms incorporated into it. NestFab, in contrast, is well known for the user-friendly design of its interface and adeptness towards accommodating the contours of shapes, which makes it ideal for sectors such as the manufacturing of furniture.

Cost is also a critical part of this decision. Fusion 360 incorporates its nesting tools into its larger manufacturing extension, granting users the ability to access a modular system with a single subscription. In contrast, SigmaNEST and other standalone solutions usually have tiered packages that are tailored to specific needs, although these may necessitate further expenditure to be fully integrated with existing manufacturing workflows.

After all, the determinative factors of software choice are the specific project details, machine integration, and financial resources available. Particularly, focusing on usability, materials optimization, and system scalability allows manufacturers to choose nesting software solutions that address their operational needs.

What are the Best Practices for Nesting Your Parts on a Sheet?

Planning Your Nest Layout

A proper plan for your layout nest will greatly enhance material use and production efficacy. To achieve these objectives, take into account the following important points:

Always consider the measures and traits of the material

Try to put the components into the material sheet in a way that does not require an excessive amount of work to reinforce its edges. It is important to thicken parts edges to maintain their positions when driven into tool holders. Accurate measurement guarantees that optimal alignment will be achieved, for example, in the case of wood or composite sheets that have a grain structure that determines their strength.

Example: Research shows that reducing the position of parts concerning the material grain in woodworking can result in up to 15% material savings in several case scenarios.

Group together parts of compatible shapes, sizes, or machining requirements to increase the efficient use of material and lower machine run time. Intercomponent spacing can be minimized through a Cluster — nesting pattern, thus decreasing the relative amount of unused material.

Plan cutting to limit tool displacement and avoid material overheating or horizontal movement when the tool is in operation. Some high-end nesting programs help the user by calculating the shortest tool travel distance where the end point and start point overlap. Time and cost resources will be saved.

Making space for kerf and precision tolerances

In the layout of your parts, remember to factor in purposeful kerf tolerances, which the machines will not be able to match due to accuracy limitations. This type of margin is critical in quantitative industries such as aerospace or automotive. For instance, if a laser cutter has a kerf of 0.008 inches, that distance must be added to the layout or else fitting problems will arise.

Techniques of common-line cutting

Always use common-line cutting where possible, meaning an already existing cutting line shared by multiple adjacent parts will be employed to minimize the number of cuts independently made to each part. Studies indicate that common line cutting improves efficiency by 8-12% when using CNC machines.

In modern nesting methods, smart algorithms make these layouts automatically, allowing all parts to be produced with minimal waste. Though there is still some unused material, it is ensured that quality standards and precision are still satisfactorily maintained. Automation dominates the competition, as there is no doubt that these advanced technologies transform manufacturers into industry leaders.

Manual vs. Automated Nesting

Moving from manual nesting into automated systems requires careful assessment of every workflow in the manufacturing process, especially how software evaluates parts on the raw material sheet. Manual nesting often results in human operators arranging parts on raw material sheets, leading to less-than-optimal layouts due to the time required for proper planning and precision. Studies estimate that manually nested layouts result in 5 to 15% more waste per order than automation. This finding explains why the rest of the industry depends on automated nesting functionalities. In addition, reliance on manual trades often leads to variability in results, posing difficulties in meeting tight deadlines.

In contrast, automated nesting systems utilize a plethora of software and sophisticated algorithms that enhance automation of parts placement. Automated systems boast lower waste and better performance; some reports show these systems achieve 95% material utilization with advanced automated nesting software. Automation speeds up workflows by preparing and integrating systems with CNC machines quickly. Additionally, automation provides bounds of repeatability and precision in scalability for intricate designs or large quantities of products. Many software systems offer real-time material consumption data enabling analysis and suggestions for improvement.

Automation of nesting technologies needs to be integrated into production pipelines so as to improve productivity, reduce resource, and waste, and sustain uniformity throughout processes. The initial costs of such systems tend to be higher compared to others but the total savings and benefits in undertaking operations make it beneficial to invest especially in competitive industries such as aerospace, automotive, and sheet metal molding.

Ensuring Efficient Use of Material Sheet

To optimize the use of material sheets, manufacturing companies need to focus on proper planning and optimization. Nesting software is one of the most efficient solutions, as it arranges the parts with optimal material usage to minimize scrap. Ensure that the material selected corresponds to the project requirements to reduce the surplus. Routinely service cutting tools and other machines to maintain accuracy and prevent errors that generate wastage. Besides, inspecting production data aids in identifying unproductive processes that could be improved over time. Incorporating these strategies can help reduce the overall cost and lower the environmental impact.

Frequently Asked Questions (FAQs)

Q: What is nesting in sheet metal cutting and why is it important?

A: Nesting is the designation given to the method of placing several components on a single sheet of a part for effective cutting. Its importance lies in achieving the best possible material use, minimizing wastage, and economizing the time spent in the cutting processes of sheet metal parts. Proper nesting improves the cost competitiveness and productivity of laser cutting and other sheet-cutting services.

Q: How do I prepare a DXF file for sheet metal cutting?

A: For a DXF file to be eligible for sheet metal cutting, all parts must be designed accurately on CAD software and saved as a DXF file. Delete all irrelevant lines or elements and ensure that every part is a closed outline. Finally, save the file in the required format, preferably a two-dimensional DXF file, as this is compatible with most nesting software and the Xometry instant quoting engine. This is the most commonly used format for our sheet-cutting services.

Q: What sets manual nesting apart from automatic nesting?

A: Manual nesting refers to the practice of dragging and dropping parts on a sheet, typically in a CAD program. This technique is slower in execution but provides a greater level of control. In contrast, Automatic nesting employs specialized nesting software that uses complex algorithms to examine parts’ shapes and position them into a sheet automatically. Automated nesting operations are usually more rapid and capable of achieving better nesting, especially when dealing with larger quantities of parts.

Q: In what ways can I ensure efficient nesting in CAD files?

A: To ensure efficient nesting in CAD files, all parts included in the file should be oriented and scaled appropriately. Delete duplicate lines or other non-essential features. Cluster-like parts and design parts that can generally nest or interlock closer together. Maintain consistent units across all your drawings and parts files. Lastly, save parts as separate files or as a single multi-part DXF file under the specifications of your nesting software or sheet-cutting service provider.

Q: What considerations should I keep in mind while nesting parts for laser cutting?

A: Take into account these factors: dimensions of the sheet, thickness of the material, laser kerf or cut width, the minimum space between the parts, possible grain orientation of the material, and the specifications of your laser cutting system. In addition, plan the order of parts to be cut to reduce total machine head travel time. Properly planned nesting is useful for evaluating how nesting can optimize your project.

Q: What is the difference between 2D and 3D nesting?

A: 2D nesting arranges components in flat, planar sheets, often employed for cutting flat sheet metal parts to reduce material wastage. It is used exceedingly during laser cutting operations, especially for files designed for laser cutting. As the name suggests, 3D-Nesting is used for the placement of parts in three-dimensional space and is used while designing components for 3D printing, or multi-axis machining. For the majority of sheet metal cutting tasks, however, 2D nesting is the standard process used.

Q: Is it possible to nest items from separate projects on the same sheet?

A: Indeed, you can place components from different projects on the same sheet to maximize material efficiency. This is especially beneficial when working with small parts or in an attempt to fully utilize a larger sheet of material. Nevertheless, all components must be of the same material and thickness. When generating your DXF file for the cutting of sheets, you must include every component you wish to merge, independent of the originating project. This strategy fosters efficient nesting breakout, thereby minimizing the waste of materials.

Q: What are some best practices for nesting files for sheet cutting?

A: To achieve effective sheet cutting, some practical methods for file nesting include: selecting the correct nesting software, optimizing the orientation of the parts, taking into account the grain direction of the material, maintaining a reasonable distance between pieces, clustering like shapes, using the entire sheet, adjusting the order in which the parts will be cut, and others. Don’t forget that having a tight nest may cause increased time for machining, therefore material cost and time for cutting should be kept in balance. Before sending your nested layout for production, always double-check that it contains all parts and that they are placed in the correct positions.

Reference Sources

1. Consolidation of parts in a sheet metal cutting operation using metaheuristic algorithms

• Author: Sunny Diyaley, S. Chakraborty
• Journal: Operational Research in Engineering Sciences: Theory and Applications
• Date of Publication: 2022-08-15
• Number of Citations: 5
• Abstract: The work in this publication demonstrates how metaheuristic algorithms can be implemented to automate nesting processes in sheet metal cutting operations. The authors suggest that their proposed model reduces material wastage during cutting. This study indicates how the choice of algorithm fundamentally influences the quality of the nesting solution(Diyaley & Chakraborty, 2022).

2. Nesting in the sheet metal industry: dealing with constraints of flatbed laser-cutting machines

• Author: Frederick Struckmeier, F. P. León
• Journal: Procedia Manufacturing
• Publication Year: 2019
• Citations: 10
• Summary: This paper tackles the problem of nesting for flatbed laser-cutting machines. The author embeds operational constraints of manufacturing processes into a nesting algorithm and proposes two versions of an evolutionary algorithm with local search heuristics for the optimization of the cutting layout. The results show how the proposed methods substantively improve nesting efficiency (Struckmeier & León, 2019).

3. Adaptacion de Algoritmos Basados en Genetic para el Procesado por Corte de Piezas Metálicas en Forma de Plancha Utilizando Sistemas de Brazo Robotico

• Autores: Tatsuhiko Sakaguchi et al.
• Fecha de publicacion: 15 de febrero 2020
• Citas: 1
• Resumen: En este trabajo se implementa un algoritmo genético de tipo adaptativo para la asignación de dominios cuya especificación toma en consideración tanto el corte de la planta como el orden de corte de las piezas. El autor/ste hace uso de la teoria de Adaptive Genetic Algorithms (AGA) para distinguir dos fases dentro de la solucion que se requiere, crecimiento y fusionamiento o acoplamiento de dos o más soluciones. El desarrollo presenta un avance en la eficacia del proceso de manufactura (Sakaguchi et al., 2020, p. 39-48).

4. Application of Simple Genetic Algorithms for Optimization of Sheet Metal Parts Nesting in Blanking Operation

• Autor: K. Ramesh, N. Baskar
• Journal: Journal of Advanced Manufacturing Systems
• Published On: February 23, 2015
• Citations: 5
• Summary: This study analyzes the application of a simplified genetic algorithm toward the optimization of sheet metal part nesting for blanking operations. The authors attempt to solve the challenges associated with the two-dimensional cutting stock problem by maximizing material use and minimizing waste. The conclusion suggests that it is possible to achieve a higher level of nesting efficiency(Ramesh & Baskar, 2015, pp. 41–53).

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