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Journal articles on the topic 'Computer-aided process planning (CAPP)'

Author: Grafiati

Published: 11 December 2022

Last updated: 26 January 2023

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1

Saleh, Salim A. "Analysis of Computer Aided Process Planning Techniques." Tikrit Journal of Engineering Sciences 16, no. 1 (2009): 74–92. http://dx.doi.org/10.25130/tjes.16.1.06.

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Computer Aided Process Planning ( CAPP) has been recognized as playing a key role in Computer Integrated Manufacturing ( CIM ). It was used as a bridge to link CAD with CAM systems, in order to give the possibility of full integration in agreement with computer engineering to introduce CIM. The benefits of CAPP in the real industrial environment are still to be achieved. Due to different manufacturing applications, many different CAPP systems have been developed. The development of CAPP techniques needs to a summarized classification and a descriptive analysis. This paper presents the most imp

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Isnaini, Mohammad Mi’radj, and Keiichi Shirase. "Review of Computer-Aided Process Planning Systems for Machining Operation – Future Development of a Computer-Aided Process Planning System –." International Journal of Automation Technology 8, no. 3 (2014): 317–32. http://dx.doi.org/10.20965/ijat.2014.p0317.

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The need to integrate the design and machining stages has become an important issue since the introduction of the Computer-Integrated Manufacturing (CIM) concept. The development of the Computer-Aided Process Planning (CAPP) system has been recognized to have made a significant contribution toward fulfilling the requirement for an integrated planning system. This paper reviews the development of the CAPP system, particularly for the metal removal process. Previous reviews on CAPP are gathered and discussed to show the evolution stage of CAPP in general. Main research topics that contribute to

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Halevi,, Gideon. "Relational CAPP (Computer Aided Process Planning) System." Journal for Manufacturing Science and Production 2, no. 4 (1999): 171–88. http://dx.doi.org/10.1515/ijmsp.1999.2.4.171.

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Chen, Lei, and Ming Ran Deng. "Study on Three-Dimension Computer Aided Process Planning System." Applied Mechanics and Materials 121-126 (October 2011): 1316–20. http://dx.doi.org/10.4028/www.scientific.net/amm.121-126.1316.

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Aiming at the problem of process data update and working procedure model, the three-dimension CAPP (Computer Aided Process Planning) based on three-dimension CAD (Computer Aided Design) is proposed. The core of the system is the process model that is used to transfer data between CAPP and CAD system. This system can solve the problem of two-dimension CAPP based on parameter feature modeling of three-dimension CAD and has been applied to some aviation enterprises in china.

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Soori, Mohsen, and Mohammed Asmael. "Classification of research and applications of the computer aided process planning in manufacturing systems." Independent Journal of Management & Production 12, no. 5 (2021): 1250–81. http://dx.doi.org/10.14807/ijmp.v12i5.1397.

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The Computer Aided Process Planning (CAPP) systems are recently developed in manufacturing engineering to provide links between Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) systems. The CAPP systems are developed by considering the different issues of computer applications in production engineering. Optimization techniques can be applied to the CAPP to increase efficiency in part production processes. The energy consumption of part production process can be analyzed and optimized using the CAPP systems in order to increase added value in the part manufacturing process. Al

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Madan, Ashok Kumar, Kunal Krishna, and Bipul Kumar. "A Survey and Feasibility Research Study on Computer Aided Process Planning (CAPP)." International Journal for Research in Applied Science and Engineering Technology 10, no. 2 (2022): 287–99. http://dx.doi.org/10.22214/ijraset.2022.38581.

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Abstract: Computer Aided Process Planning (CAPP) is the use of computer system to help and guide process planners in planning and executing different functions. It has emerged as one of the crucial links between integration of Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM). In this paper, an attempt is made to provide a complete survey of CAPP based on different methodology namely, features and solid model, neural networks, optimization, fuzzy logic, knowledge based, web based, hybrid manufacturing, artificial intelligence, virtual, (STEP)-compliant method. The aim of this

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Abdulhameed, Osama, Abdulrahman Al-Ahmari, Syed Hammad Mian, Abdulmajeed Dabwan, and Hisham Alkhalefah. "Evolution of Computer-Aided Process Planning for Hybrid Additive/Subtractive Process." Advances in Materials Science and Engineering 2020 (July 18, 2020): 1–21. http://dx.doi.org/10.1155/2020/7458239.

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The hybrid process, which integrates two or more different processes such as additive manufacturing and subtractive manufacturing, has gained appreciable considerations in recent years. This process exploits the benefits of individual processes while overcoming their limitations. Lately, the combination of additive, subtractive, and inspection methods is a valuable conglomeration, considering its potential to produce complicated components precisely. Certainly, computer-aided process plan (CAPP) provides a crucial link among different processes and is essential to avail the benefits of hybridi

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Morinaga, Eiji, Takuma Hara, Hiroki Joko, Hidefumi Wakamatsu, and Eiji Arai. "Improvement of Computational Efficiency in Flexible Computer-Aided Process Planning." International Journal of Automation Technology 8, no. 3 (2014): 396–405. http://dx.doi.org/10.20965/ijat.2014.p0396.

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Process planning plays an important role as a bridge between product design and manufacturing. Computer-aided process planning (CAPP) has been a topic of discussion in this half century. The recent diversification in customers’ needs has been driving the development of agile manufacturing that can adapt to different manufacturing situations. CAPP should also be discussed from this point of view and, to this end, a set of flexible process planning methods have been proposed. Unlike conventional CAPP methods, these methods first generate all the feasible process plans. These are then evaluated,

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Wang, Jian Gang, Xiao Hang Wan, Yan Hui Wan, and Jian Ling Shi. "Study of Computer Aided Process Planning Base on B/S Structure." Advanced Materials Research 734-737 (August 2013): 2778–81. http://dx.doi.org/10.4028/www.scientific.net/amr.734-737.2778.

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With the flourish development of internet technique, information and resources in sharing goes into more quickly and conveniently, which makes the traditional CAPP system convert into the system based internet technique and the advantages are more and more obvious. This paper introduces a kind of design way of CAPP based B/S system, which realizes multi-user parallel designing and technique information in sharing and managing remotely, which increases the benefits and competition ability and guarantees the output quality.

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Koremura, Kenta, Yuki Inoue, and Keiichi Nakamoto. "Machining Process Evaluation Indices for Developing a Computer Aided Process Planning System." International Journal of Automation Technology 11, no. 2 (2017): 242–50. http://dx.doi.org/10.20965/ijat.2017.p0242.

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In the manufacturing industry, there is an urgent need to shorten the manufacturing lead time of products. Therefore, optimizing process planning is essential to realize high efficiency machining. In this study, in order to develop a computer aided process planning (CAPP) system using previously proposed machining features, a prediction method for some process evaluation indices is proposed. Many candidates for the machining process exist, depending on the recognized machining features in a previous study. Therefore, by using these indices, operators can select a suitable process from among th

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Byotra, Deepak, and Rajesh Kumar Bhushan. "Computer Aided Process Planning for Machining the Gears." Advanced Materials Research 264-265 (June 2011): 1551–56. http://dx.doi.org/10.4028/www.scientific.net/amr.264-265.1551.

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Bulk of power transmitting metal gears of machinery is produced by machining processes from cast, forged or hot rolled blanks. It includes a number of versatile machining operations that use a milling cutter, a multi tooth tool to produce a variety of configurations. The aim of the computer aided process planning (CAPP) is to develop a programme for milling cutting processes. This paper reveals the hybrid approach to computer aided process planning for milling and grinding operations on gear blank, so that the plan can be generated taking into account the availability of machines and the mater

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Castelino, Kenneth, V. Sundararajan, Roshan D’Souza, Balaji Kannan, and Paul K. Wright. "AMPS-An Automated Modular Process Planning System." Journal of Computing and Information Science in Engineering 4, no. 3 (2004): 235–41. http://dx.doi.org/10.1115/1.1710866.

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AMPS is a fully automated process planning system for milling of 2.5D parts. It consists of different modules, each of which performs specific tasks like identification of removal volumes, setup and fixture planning, tool selection and tool path planning. This article focuses on the architecture of the planning system, the integration of the different modules and the interfaces needed for smooth flow of information between these modules. Current computer aided process planning (CAPP) practices were considered while defining interfaces so that these modules can be easily integrated into a comme

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Jain, Vijay K., J. L. Batra, and A. K. Garg. "Computer aided process planning (CAPP) for electric discharge machining (EDM)." Journal of Materials Processing Technology 48, no. 1-4 (1995): 561–69. http://dx.doi.org/10.1016/0924-0136(94)01695-w.

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Kanai, Satoshi, Takayuki Shibata, and Takahiro Kawashima. "Feature-Based 3D Process Planning for MEMS Fabrication." International Journal of Automation Technology 8, no. 3 (2014): 406–19. http://dx.doi.org/10.20965/ijat.2014.p0406.

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With the fast growth of the market forMEMS (Micro-Electro-Mechanical Systems) devices, Computer-Aided Design (CAD) and Computer-Aided Process Planning (CAPP) systems for MEMS are essential for the appropriate division of labor between MEMS design and fabrication. Although several CAD systems for MEMS devices are commercially available, CAPP systems for MEMS are still underdeveloped, and few systems have been investigated. The purpose of this study is to prototype a CAPP system for MEMS for non-expert MEMS designers. MEMS device geometry, a complex layered structure made of multiple materials,

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Bai, Yu, Chang Ye Li, Yan Cao, and Bo Sun. "Modular Process Planning in Sheet Metal CAPP System." Advanced Materials Research 411 (November 2011): 357–60. http://dx.doi.org/10.4028/www.scientific.net/amr.411.357.

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The shape of metal part is complicated, and its process planning requires high standardization in sheet metal manufacturing. Sheet metal can be modularized for its diversification and succession feature. Modular process planning is discussed by contrasting traditional process planning, and modular process development steps are described. The modularity of process can improve the efficiency and accuracy of process planning for sheet metal computer aided process planning.

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Saleh, M. A., H. M. A. Hussein, and H. M. Mousa. "Computer Aided Process Planning for Freeform Surface Sheet Metal Features in Automotive Industry." Applied Mechanics and Materials 392 (September 2013): 931–35. http://dx.doi.org/10.4028/www.scientific.net/amm.392.931.

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This paper describes computer aided process planning for a freeform surface; sheet metal features. Automotive body panels are always manufactured using thin forming sheets; the developed CAPP system consists of two modules which are feature recognition module based on STEP AP203 and a process plan module; two additional modules for automotive panel CAPP system and cost estimation module are also incorporated in the system of punch and bending operation. Stamped or punched features in generative shape design are used to design automotive panels; the generative CAPP system is written in visual b

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Park, D. H., W. R. Bae, and S. S. Kang. "Computer Aided Process Planning (CAPP) System for Non-Axisymmetric Deep Drawing Process." Key Engineering Materials 177-180 (April 2000): 523–28. http://dx.doi.org/10.4028/www.scientific.net/kem.177-180.523.

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Morinaga, Eiji, Masayuki Yamada, Hidefumi Wakamatsu, and Eiji Arai. "Flexible Process Planning Method for Milling." International Journal of Automation Technology 5, no. 5 (2011): 700–707. http://dx.doi.org/10.20965/ijat.2011.p0700.

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This paper concerns the development of flexible Computer-Aided Process Planning (CAPP). In the agile manufacturing which has been strongly promoted, manufacturing situation changes dynamically. Therefore, the CAPP method which can be adaptable to these dynamic changes is required. From this point of view, there has been the method which is mainly composed of the following three steps – (i) decomposing the Total Removal Volume (TRV), (ii) recomposing parts obtained by decomposition, and (iii) extracting an optimal set of parts. Steps (i) and (ii) require a high computational load. We propose so

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Wang, Jun, Hai Li Zhang, and Zhang Yue Su. "Manufacturing Knowledge Modeling Based on Artificial Neural Network for Intelligent CAPP." Applied Mechanics and Materials 127 (October 2011): 310–15. http://dx.doi.org/10.4028/www.scientific.net/amm.127.310.

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CAPP(computer aided process planning) is a key technology for integration of CAD and CAM. Process planning relies on manufacturing knowledge and CAPP is characterized with multi-knowledge resources, multi-task, multi-level and multi-constrain so process planning is hard to automate. This paper introduces the artificial neural network for unstructured manufacturing knowledge modeling, knowledge is represented as neural network weight value matrix, and then form ANN database to support intelligent CAPP. Example about cutting force modification is presented to test the feasibility of this approac

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Xin, Yupeng, Yiwen Chen, Wenhui Li, Xiuhong Li, and Fengfeng Wu. "Refined Simulation Method for Computer-Aided Process Planning Based on Digital Twin Technology." Micromachines 13, no. 4 (2022): 620. http://dx.doi.org/10.3390/mi13040620.

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Simulation technology is widely used in computer-aided process planning (CAPP). The part machining process is simulated in the virtual world, which can predict manufacturing errors and optimize the process plan. Simulation accuracy is the guarantee of process decision-making and optimization. This article focuses on the use of digital twin technology to build a high-fidelity process model, taking the advantage of the integration of multiple systems, in order to achieve the dynamic association of real-time manufacturing data and process models. Making use of the CAPP/MES systems, the surface in

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KONG, FANXIN, JIANMIN ZUO, GUANGCHENG ZHA, and JIAO ZHANG. "STUDY AND APPLICATION OF OPEN DIE FORGING CAPP SYSTEM BASED ON PROCESS KNOWLEDGE." Journal of Advanced Manufacturing Systems 10, no. 01 (2011): 45–52. http://dx.doi.org/10.1142/s0219686711001965.

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This paper discusses concepts and methods related to CAPP (Computer Aided Process Planning) system based on process knowledge. The CAPP system framework module of Open Die Forging facing industry is proposed. This module can realize the fusion of retrieval type, derived type, and creative type, etc. CAPP functions, reasons and makes decision based on knowledge and, develops the optimal process route, and process card. In this paper, the main functions of the system are introduced based on developments of open die forging CAPP system in recent years.

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Abdulhameed, Osama, Abdurahman Mushabab Al-Ahmari, Wadea Ameen, and Syed Hammad Mian. "Novel dynamic CAPP system for hybrid additive–subtractive–inspection process." Rapid Prototyping Journal 24, no. 6 (2018): 988–1002. http://dx.doi.org/10.1108/rpj-11-2017-0239.

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Purpose Hybrid manufacturing technologies combining individual processes can be recognized as one of the most cogent developments in recent times. As a result of integrating additive, subtractive and inspection processes within a single system, the relative benefits of each process can be exploited. This collaboration uses the strength of the individual processes, while decreasing the shortcomings and broadening the application areas. Notwithstanding its numerous advantages, the implementation of hybrid technology is typically affected by the limited process planning methods. The process plann

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Li, Xiao Bin, and De Rong Jiang. "Study on CAPP System Based on Rough Set Theory." Advanced Materials Research 219-220 (March 2011): 1060–63. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.1060.

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As a significant technology of Computer Integrated Manufacturing System (CIMS), Computer Aided Process Planning (CAPP) is the bridge between Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM). Meanwhile, it is a momentous foundation for building the overall information model of manufacturing of engineering product. By using of which along with the theory of rough set in rule reduction of expert system, the development of CAPP system framework is basis of .net platform, utilizing Visual Studio 2003 to design the system interface and associated structured query language (SQL) all

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Liang, Chao, Xu Zhang, and Qing Zhang. "3D Machining Process Planning Based on Machining Feature Recognition Technique." Advanced Materials Research 945-949 (June 2014): 127–36. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.127.

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In the model-based definition (MBD) scheme, activities of process planning need to be carried out in 3D environment. To realize the 3D computer-aided process planning (3D CAPP), the design solid model needs to be transferred into a representation as manufacturing features, features’ process requirement and product manufacturing information (PMI), and then the generative process planning techniques can be realized by inferring machining operations based machining feature knowledge base. A machining feature-based 3D computer-aided process planning approach is proposed for machining part. Design

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Wang, JinFeng, XiaoLiang Fan, and Haimin Ding. "An Improved Ant Colony Optimization Approach for Optimization of Process Planning." Scientific World Journal 2014 (2014): 1–15. http://dx.doi.org/10.1155/2014/294513.

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Computer-aided process planning (CAPP) is an important interface between computer-aided design (CAD) and computer-aided manufacturing (CAM) in computer-integrated manufacturing environments (CIMs). In this paper, process planning problem is described based on a weighted graph, and an ant colony optimization (ACO) approach is improved to deal with it effectively. The weighted graph consists of nodes, directed arcs, and undirected arcs, which denote operations, precedence constraints among operation, and the possible visited path among operations, respectively. Ant colony goes through the necess

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Imam, S. K., Y. S. Chadda, and N. Qureshi. "Micro-based Expert Computer Aided Process Planning System (MICRO-CAPP) for Turning Parts." IFAC Proceedings Volumes 25, no. 7 (1992): 325–28. http://dx.doi.org/10.1016/s1474-6670(17)52385-x.

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Yunitarini, Rika, and Ernaning Widiaswanti. "Design of Integrated Computer Aided Process Planning and Bill of Material in Industry 4.0 Environment." E3S Web of Conferences 328 (2021): 04025. http://dx.doi.org/10.1051/e3sconf/202132804025.

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Computer aided process planning (CAPP) has been widely used as an application that is able to plan the process in manufacturing with computer technology supporting. In its implementation, the process planning stage often requires complete data/information input regarding manufacturing products that will go through several process and operations. In the assembly process for example, before planning what process and operations will be carried out on a parts, the assembler must know the specifications and product structure, so that the assembly planning process becomes directed. The purpose of th

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Cho, H., A. Derebail, T. Hale, and R. A. Wysk. "A Formal Approach to Integrating Computer-Aided Process Planning and Shop Floor Control." Journal of Engineering for Industry 116, no. 1 (1994): 108–16. http://dx.doi.org/10.1115/1.2901800.

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A formal approach for integrating Computer-Aided Design (CAD), Computer-Aided Process Planning (CAPP), and shop floor control for rotational components is presented in this paper. It is assumed that this approach will be implemented within the framework of a three level hierarchical CIM architecture that consists of the following levels in the hierarchy: shop floor, workstation and equipment (Joshi et al., 1991). Our approach to CAPP consists of machining feature identification, definition, classification, representation, and reasoning, provided through a CAD model of a product. Geometric enti

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Mu, Zhen Dong, Hua Bo Xiao, Jian Zheng, and Yong Ping Xing. "Data Reduction Used in CAPP Application of Processing Methods of Reasoning." Applied Mechanics and Materials 66-68 (July 2011): 273–78. http://dx.doi.org/10.4028/www.scientific.net/amm.66-68.273.

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In the computer aided process design, the choice of processing methods is one important part. In order to improve quality and short the design process, the intelligence of computer aided process planning system is a research direction. This paper use the theory of data reduction, based on success stories, then the rule base derived. According to the method designed in this paper, tested through the use of Finishing the hole (black metal) test samples, finishing the hole (non-ferrous metals) test samples, the super finishing hole test samples, the hole semi-finished test samples, Achieve the pu

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Grabowik, Cezary, Krzysztof Kalinowski, Wojciech M. Kempa, and Iwona Paprocka. "A Survey on Capp Systems Development Methods." Advanced Materials Research 837 (November 2013): 387–92. http://dx.doi.org/10.4028/www.scientific.net/amr.837.387.

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Process planning is one of the most important links in planning of the manufacturing system functioning, it coordinates and integrates processes planners, designers and economists intentions. The main goal to reach during the process planning phase is to determine the process plan structure it is manufacturing operations and cuts which have to be applied in order to transform given semifinished product into a product with the strict determined design and properties. Simultaneously process planers strive for working out such a process plan which satisfies criteria of the lowest manufacturing co

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Monkova, Katarina, and Peter Monka. "Newly Developed Software Application for Multiple Access Process Planning." Advances in Mechanical Engineering 6 (January 1, 2014): 539071. http://dx.doi.org/10.1155/2014/539071.

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The purchase of a complex system for computer aided process planning (CAPP) can be expensive for little and some middle sized plants, sometimes an inaccessible investment, with a long recoupment period. According to this fact and the author's experience with Eastern European plants, they decided to design a new database application which is suitable for production, stock, and economic data holding as well as processing and exploitation within the manufacturing process. The application can also be used to process a plan according to the selected criteria, for technological documentation and NC

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Zhang, Li Yan. "Machining Feature-Based CAD/CAPP for STEP-NC." Applied Mechanics and Materials 598 (July 2014): 591–94. http://dx.doi.org/10.4028/www.scientific.net/amm.598.591.

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ISO 14649, known as STEP-NC, is new model of data transfer between CAD/CAM systems and CNC machines. In this paper, the modeling based on machining feature is proposed. The machining feature comes from the manufacturing process considering the restriction of machining technology and machining resource. Then the framework for computer aided process planning is presented, where the algorithms of operation planning is studied. The practical example has been provided and results indicate that machining feature based model can integrate with CAPP and STEP-NC seamlessly.

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Wang, Juan, and Si Yu Lai. "On Computer Aided Formation Framework for Composite Material." Advanced Materials Research 710 (June 2013): 775–78. http://dx.doi.org/10.4028/www.scientific.net/amr.710.775.

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The composite molding process design systems are developed on specific manufacturing resources or specific environment whenever at home and abroad, which enjoys a poor versatility. We built the system structure and flow for composite process integration framework after the computer-assisted resin transfer molding software has been developed. Then, studied the template-based data structure and established the model that can form a CAPP application system rapidly; developed a three levels similar cases retrieval structure based on part level, shape level and feature level; realized the customiza

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Cattrysse, Dirk, P. Collin, Joost R. Duflou, T. H. M. Nguyen, and Dirk Van Oudheusden. "The Integration of CAPP and Production Planning for Bent Sheet Metal Parts." Advanced Materials Research 6-8 (May 2005): 263–70. http://dx.doi.org/10.4028/www.scientific.net/amr.6-8.263.

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Both the topics of Computer Aided Process Planning and Production Planning in the context of sheet metal air bending have been presented as standalone topics previously. This paper will focus on the interaction between both modules. Choices made by the CAPP-module seem to influence the possible gains that can be obtained in production planning and vice versa. The used procedures for both the CAPP module, including process planning and tool selection for air bending, and the Production Planning module, modelling the production planning as a Travelling Purchaser Problem, are described. The diffe

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Abdel-Magied, R. K., and H. M. A. Hussein. "A CAPP/CAD for Sheet Metal Deep Drawing." Applied Mechanics and Materials 619 (August 2014): 105–9. http://dx.doi.org/10.4028/www.scientific.net/amm.619.105.

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The aim of this work is to develop an integrated system for facilitating the process of designing the drawing dies and their component. The developed system is based on the integration between Computer Aided Process Planning in Sheet Metal Drawn parts “CAPP”, and the Computer Aided Design in Deep Drawing Die components “CAD”. Both modules are coded using Visual Basic program and joined with AutoCAD. The CAPP module made to report the drawing load and to plot the shape of the drawn shell in each stage of the Axis-Symmetric Deep Drawing process. Based on the reported shell geometry, the dimensio

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Phung, Lan Xuan, Dich Van Tran, and Sinh Vinh Hoang. "Development of assistance system for process planning in machining part." Science and Technology Development Journal 20, K6 (2017): 43–50. http://dx.doi.org/10.32508/stdj.v20ik6.1170.

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Process planning is an important bridge between design and machining in a manufacturing system. However, this process in Vietnam is mostly done manually. At that time, process planning needs quite a lot of effort and time of the engineer. In modern manufacturing, CAD/CAM/CNC integrated technology has developed so much. However, the development of computer-aided process planning (CAPP) is limited and has not caught with the rapid development of CAD/CAM technology. This article presents the methodology for developing and building computer-aided process planning systems for prismatic parts. In th

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Paprocki, Marcin. "Modeling of stages of machining process planning aided by CAPP systems." Mechanik, no. 12 (December 2016): 1886–87. http://dx.doi.org/10.17814/mechanik.2016.12.536.

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Wu, Wenbo, Jiani Zeng, and Zhengdong Huang. "A hybrid optimization approach for setup planning with tolerance constraints." MATEC Web of Conferences 249 (2018): 03012. http://dx.doi.org/10.1051/matecconf/201824903012.

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Computer-aided process planning (CAPP) plays an important role in integrated manufacturing system and it can serve as a bridge between CAD and CAM. As a crucial part of CAPP, setup planning is a multi-constraint problem, in which the precision takes priority over efficiency. However, instead of precision constraints, traditional optimization methods have paid much more attention to efficiency requirements. This leads to the reduction in the precision of the final parts. This paper develops an optimization approach for solving computer-aided setup planning problem, which takes into account vari

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Korde, U. P., B. C. Bora, K. A. Stelson, and D. R. Riley. "Computer-Aided Process Planning for Turned Parts Using Fundamental and Heuristic Principles." Journal of Engineering for Industry 114, no. 1 (1992): 31–40. http://dx.doi.org/10.1115/1.2899756.

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Research on generative computer-aided process planning (CAPP) for turned parts using combined fundamental and heuristic principles is presented. The rationale for the process planning approach is that many preconditions of machining processes can be expressed as a small number of domain principles. The domain is defined by processes and the part description as features for simple turned parts. The motivation is to detect faulty designs early on in the design process. Preliminary designs defined by features are first evaluated using manufacturability rules in a rule-based expert system, develop

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IHARA, Tohru. "Vision and research of Computer-Aided Process Planning(CAPP) with a knowledge base for machining." JSME international journal. Ser. 3, Vibration, control engineering, engineering for industry 33, no. 2 (1990): 125–30. http://dx.doi.org/10.1299/jsmec1988.33.125.

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Lian, Kun Lei, Chao Yong Zhang, Liang Gao, Shao Tan Xu, and Yi Sun. "A Cooperative Simulated Annealing Algorithm for the Optimization of Process Planning." Advanced Materials Research 181-182 (January 2011): 489–94. http://dx.doi.org/10.4028/www.scientific.net/amr.181-182.489.

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Process planning is an essential component of computer aided process planning (CAPP), which involves operations selection from design features and operations sequencing of these selected operations. It makes process planning a complex combinatorial optimization problem to conduct of these two steps simultaneously. In this paper, we propose a cooperative simulated annealing (CoSA) approach for the process planning problem to minimize total manufacturing cost. The proposed CoSA algorithm employed a novel optimization strategy different from all the existing approaches in the literature. Simulate

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Levin, J. B., and D. Dutta. "PMPS: A Prototype CAPP System for Parallel Machining." Journal of Manufacturing Science and Engineering 118, no. 3 (1996): 406–14. http://dx.doi.org/10.1115/1.2831045.

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Parallel N.C. machines, also referred to as mill-turns, are a new generation of machine tools aimed at increasing machining accuracy and reducing part cycle times. In addition to their capacity to do both milling and turning, these next generation machines tools can perform multiple machining operations simultaneously, involving one or more parts at a time, and can completely finish a part (front and back) in a single setup. Parallel machining raises issues with respect to computer aided process planning which have not been dealt with in the past. In this paper, a prototype CAPP system called

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DeVries, Richard L. "Computer-Aided Process Planning: A Path to Just-in-Time Manufacturing for Shipyards." Journal of Ship Production 4, no. 03 (1988): 197–215. http://dx.doi.org/10.5957/jsp.1988.4.3.197.

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The use of computers to improve the productivity of U.S. shipyards has never been as successful as hoped for by the designers. Many applications were simply the conversion of an existing process to a computerized process. The manufacturing database required for the successful application of computer-aided process planning (CAPP) to the shipyard environment requires a "back-to-basics" approach, one that can lead to control of the processes occurring in the fabrication and assembly shops of a shipyard. The manufacturing database will not provide management feedback designed for the financial seg

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Tan, C. F., N. Ismail, S. V. Wong, S. Sulaiman, and M. R. Osman. "DEVELOPMENT OF HOLE RECOGNITION SYSTEM FROM STEP FILE." ASEAN Journal on Science and Technology for Development 22, no. 3 (2017): 285. http://dx.doi.org/10.29037/ajstd.166.

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This paper describes the development of Hole Recognition System (HRS) for Computer-Aided Process Planning (CAPP) using a neutral data format produced by CAD system. The geometrical data of holes is retrieved from STandard for the Exchange of Product model data (STEP). Rule-based algorithm is used during recognising process. Current implementation of feature recognition is limited to simple hole feat ures. Test results are presented to demonstrate the capabilities of the feature recognition algorithm.

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Liu, Shu Nuan, Xi Tian Tian, Zhen Ming Zhang, and Li Jiang Huang. "Applying Hierarchical Clustering to Discover the Typical Process Route." Materials Science Forum 532-533 (December 2006): 949–52. http://dx.doi.org/10.4028/www.scientific.net/msf.532-533.949.

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In order to discover the typical process route (TPR) in the Computer Aided Process Planning (CAPP) database, Hierarchical Clustering algorithm is adopted. A mathematics model based on the data matrix was built to describe the process route (PR). On the base of the operation code, the distance between operations, between the PRs, between clusters were measured to evaluate the PR similarity. Then, the PR clusters were eventually merged by the hierarchical clustering algorithm. Three methods are listed to confirm the clustering granularity that determines the clustering result. This TPR discovery

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Yang, Li Na. "Research and Development of the Generation Method of Clothing Process Diagram Based on CAPP Integration System." Advanced Materials Research 503-504 (April 2012): 182–85. http://dx.doi.org/10.4028/www.scientific.net/amr.503-504.182.

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Modern clothing products have diverse styles changing rapidly and complex processing techniques. They are greatly affected by artificial factor and the equipment conditions are differential. In consideration of these characteristics of the products,Based on the design of the clothing manufacturing craft, this thesis develops a generation method of clothing manufacturing process diagram based on interaction to search for the technical method of accelerating the automatic integrated system progress of the clothing manufacturing craft. Since clothing manufacturing process diagram is an important

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Paprocki, Marcin. "The use of methods and computer aided systems in the ecological design of product development." Mechanik 91, no. 1 (2018): 73–75. http://dx.doi.org/10.17814/mechanik.2018.1.17.

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Presented are two concepts of the process planning design procedure and the cost estimation aided by CAPP systems. Methods aiding ecological design of the product development, such as DFMA, DFE, FMEA, QFD and LCA, are presented too. The Eco-indicator 99 method which is used in the assessment of product life cycle impact on the environment (LCIA) is discussed. The paper recommends complementing the strategic enterprise backbone with the environmental component of the product life cycle assessment (Ecological Backbone).

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Nallakumarasamy, G., PSS Srinivasan, K. Venkatesh Raja, and R. Malayalamurthi. "Optimization of Operation Sequencing in CAPP Using Superhybrid Genetic Algorithms-Simulated Annealing Technique." ISRN Mechanical Engineering 2011 (June 26, 2011): 1–7. http://dx.doi.org/10.5402/2011/897498.

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Computer-aided process planning (CAPP) is an important interface between computer-aided design (CAD) and computer-aided manufacturing (CAM) in computer-integrated manufacturing environment. A problem in traditional CAPP system is that the multiple planning tasks are treated in a linear approach. This leads to an overconstrained overall solution space, and the final solution is normally far from optimal or even nonfeasible. A single sequence of operations may not be the best for all the situations in a changing production environment with multiple objectives such as minimizing number of setups,

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Huang, Shuai Jun. "Optimisation of Process Routing in CAPP Using Genetic Algorithm and Graph Theory." Applied Mechanics and Materials 385-386 (August 2013): 1747–51. http://dx.doi.org/10.4028/www.scientific.net/amm.385-386.1747.

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For the problems in process routing optimization of Computer Aided Process Planning (CAPP) system, the major shortcomings in the previous were analyzed and corresponding means for improving were put forward. Process digraph, as an effective process routing decision-making model, was established based on precedence constraints among operations. An algorithm was designed to operate the process digraph and then a number of process plans all feasible were obtained for the initial population. In order to solve the problem that some infeasible process plans generating in evolutionary process, the re

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Madden, S., H. H. Vanderveldt, and J. Jones. "Intelligent Automated Welding for Shipyard Applications." Journal of Ship Production 8, no. 02 (1992): 77–88. http://dx.doi.org/10.5957/jsp.1992.8.2.77.

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Computer Aided Process Planning (CAPP) integrated with Computer Aided Design (CAD) and Computer Aided Manufacturing (CAM) will form the basis of engineering/planning systems of the future. These systems will have the capability to operate in a paperless environment and provide highly optimized process operation plans. The WELDEXCELL System is a prototype of such a system for welding in shipyards. The paper discusses three significant computer technology advances which have been in into the WELDEXCELL prototype. First is a computerized system for allowing multiple knowledge sources (expert syst

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