Dealing with feature interactions for prismatic parts in STEP-NC

Mokhtar, Alireza; Xu, Xun; Lazcanotegui, Iñigo

doi:10.1007/s10845-008-0144-y

Cited by 20 publications

(13 citation statements)

References 35 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…STEP-NC data structure is utilised as the feature-based product model by Mokhtar et al (2009) so as to generate the precedence information for interacting machining features, under consideration of roughing and finishing operations for those features. A hybrid feature recognition method, based on volume subtraction and face adjacency graph, is in turn proposed by Rameshbabu and Shunmugam (2009).…”

Section: Overview Of Related Research Workmentioning

confidence: 99%

“…Using the quantitative approach the process selection and sequencing problem is formulated as the minimization of an objective function and mostly of total manufacturing time and/or cost subject to definite constraints, as it is assumed by Chung and Suh (2008) as well as Sormaz and Khoshnevis (2003). Thereby, process planning function can be realised by a two-stage procedure comprising: intra-and inter-feature planning (Wong et al 2003), also termed as micro-and macro planning by such authors as: Mokhtar et al (2009);Srinivasan and Sheng (1999) or Zhao et al (2009). The local optimum operation sequence is first established for each feature, and then the optimal global sequence is generated for the complete set of features (Mokhtar et al 2009).…”

Section: Modelling Framework In Process Plan Decision-makingmentioning

confidence: 99%

“…Thereby, process planning function can be realised by a two-stage procedure comprising: intra-and inter-feature planning (Wong et al 2003), also termed as micro-and macro planning by such authors as: Mokhtar et al (2009);Srinivasan and Sheng (1999) or Zhao et al (2009). The local optimum operation sequence is first established for each feature, and then the optimal global sequence is generated for the complete set of features (Mokhtar et al 2009). Considering its combinatorial nature, the optimisation problem can be solved using the branch-and-bound (BB) approach and heuristics derived from engineering insights into process sequencing and scheduling for complex machining on multi-axis centres.…”

Section: Modelling Framework In Process Plan Decision-makingmentioning

confidence: 99%

See 2 more Smart Citations

Feature-based generation of machining process plans for optimised parts manufacture

Deja

Siemiątkowski

2012

J Intell Manuf

View full text Add to dashboard Cite

Efficacious integration of such CAx technologies as CAD, CAM and CAPP still remains a problem in engineering practice which constantly attracts research attention. Design by feature model is assumed as a main factor in the integration effort in various engineering and manufacturing domains. It refers principally to feature clustering and consequently operation sequencing in elaborated process plan designs. The focus of this paper is on CAPP for parts manufacture in systems of definite processing capabilities, involving multi-axis machining centres. A methodical approach is proposed to optimally solve for process planning problems, which consists in the identification of process alternatives and sequencing adequate working steps. The approach involves the use of the branch and bound concept from the field of artificial intelligence. A conceptual scheme for generation of alternative process plans in the form of a network is developed. It is based on part design data modelling in terms of machining features. A relevant algorithm is proposed for creating such a network and searching for the optimal process plan solution from the viewpoint of its operational performance, under formulated process constraints. The feasibility of the approach and the algorithm are illustrated by a numerical case with regard to a real application and diverse machine tools with relevant tooling. Generated process alternatives for complex machining with given systems, are studied using models programmed in the environment of Matlab software.

show abstract

Section: Overview Of Related Research Workmentioning

confidence: 99%

Section: Modelling Framework In Process Plan Decision-makingmentioning

confidence: 99%

Section: Modelling Framework In Process Plan Decision-makingmentioning

confidence: 99%

See 1 more Smart Citation

Feature-based generation of machining process plans for optimised parts manufacture

Deja

Siemiątkowski

2012

J Intell Manuf

View full text Add to dashboard Cite

show abstract

“…Discourse of STEP features interaction has been meticulously dealt with by Mokhtar et al [32]. They successfully implemented a prototype to detect and visualise feature interactions of both volumetric and surface types out of STEP-NC (ISO14649 version) [33].…”

Section: Step Features Design Recognition Interaction and Precedencementioning

confidence: 99%

“…Feature precedence, which is considered as a prerequisite to final machining sequence, denotes for some preferences or obligations to define which feature(s) to be cut before/after the other one(s). This becomes more complicated when features geometrically or technologically interact [32]. Although precedence of intersecting features is widely discussed in the literature, a sparse number of researches apply it in neutral data models.…”

Section: Step Features Design Recognition Interaction and Precedencementioning

confidence: 99%

Developing a STEP-Compliant Multiagent on an Interoperable and Integrated CAD/CAM Platform

Mokhtar

Valilai

2013

International Journal of Manufacturing Engineering

Self Cite

View full text Add to dashboard Cite

Practical implementation of a STEP-based architecture to provide a fully integrated and interoperable platform of data exchange has always been an intriguing issue. A variety of CAD/CAM environments are struggling to embed and support STEP standard and its protocols in order to seamlessly operate within global data exchange. However, apparent paucity of efficient and reliable structure for data communication, manipulation, and restoration has remarkably hindered the desired progress. In this paper, taking these shortcomings into account, a practical architecture is introduced and STEP-based agents are implemented and installed on the platform. Moreover, feature recognition, interaction, and machining precedence as crucial issues of CAD/CAM research have been considered in developing the interoperable platform. Seamless integration and interaction of CAD/CAM modules are provided in the proposed system. The prototype is finally verified and discussed through a case study.

show abstract

Generation of an Intermediate Workpiece for Planning of Machining Operations

Šormaz

Campos

Arumugam

2022

Lecture Notes in Mechanical Engineering

View full text Add to dashboard Cite

Digital twins in manufacturing plays a key factor for the digital transformation. A necessary component of any digital twin in manufacturing is a geometric model of a workpiece as it is processed through steps. DT requires solid 3d models, machining features, and information regarding machines, tools, and its constraints such as initial setup, machining direction, etc. The objective of this paper is to generate alternate feature interpretations to identify geometric constraints, machine and tool requirements, and stock materials to generate flexible manufacturing plans that fit a defined criterion. In this study we propose using the IMPlanner system to retrieve a 3d model from a CAD software, read its geometric features and convert them into possible machining features. This information along with information from the database of stock materials, tools, machines, and tolerances, the system generates several feature interpretations, thus offering a more flexible manufacturing plan.

show abstract

Dealing with feature interactions for prismatic parts in STEP-NC

Cited by 20 publications

References 35 publications

Feature-based generation of machining process plans for optimised parts manufacture

Feature-based generation of machining process plans for optimised parts manufacture

Developing a STEP-Compliant Multiagent on an Interoperable and Integrated CAD/CAM Platform

Generation of an Intermediate Workpiece for Planning of Machining Operations

Contact Info

Product

Resources

About