STEP-compliant NC research: the search for intelligent CAD/CAPP/CAM/CNC integration

Xu, Xun; Wang, H; Mao, Jian; Newman, Stephen T.; Krämer, Thomas; Proctor, Frederick M.; Michaloski, John L.

doi:10.1080/00207540500137530

Cited by 185 publications

(19 citation statements)

References 22 publications

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“…The last level is called adaptive STEP-NC programming, which consists of machining parameters and tool paths optimization in real time by estimating in-process data [13]. In order to demonstrate the possibility of using STEP-NC, some controller prototypes were developed, which were reviewed by [41,[43][44][45]. Some of the main STEP-NC platforms developed for machining applications are described below.…”

Section: Levels Of Compliance Of Step-nc Platformsmentioning

confidence: 99%

STEP-NC-based machining architecture applied to industrial robots

Toquica

Živanović

Bonnard

et al. 2019

J Braz. Soc. Mech. Sci. Eng.

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This paper presents a method for applying the ISO 10303-238 (AP-238) standard in robotic machining operations by using two industrial robots. The method encompasses programming, simulation and machining by industrial robots. Application and validation of robotized machining is performed using two industrial robots, and the following tools are used: (a) a commercial CAD/CAM software with a plug-in to generate STEP-NC files (AP-238); (b) simulation with a STEP-NC-compliant software using two virtual robot models, as well as the generation of G-code files through postprocessors; and (c) two industrial robots (ASEA IRB6-S2 and LOLA 50) using the LinuxCNC controller adapted to STEP-NC. Initially, a 3D part is designed using any CAD system, and it is sent through the Internet to a CAM specialist who uses a commercial software to generate a process plan to manufacture the part. Operators of the robots download the part and its process plan information in the STEP-NC format, simulate its machining through the working steps and then perform machining using the robots.

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Section: Levels Of Compliance Of Step-nc Platformsmentioning

confidence: 99%

STEP-NC-based machining architecture applied to industrial robots

Toquica

Živanović

Bonnard

et al. 2019

J Braz. Soc. Mech. Sci. Eng.

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“…Most of the existing STEP-NC controllers have been reviewed by Xu [13] and Rauch et al in [14]. Suh et al developed a shop floor programming system to generate ISO 14649 part program files according to geometrical data from STEP AP 203 or AP 224 files.…”

Section: Related Work On Clms and Step-nc Controllermentioning

confidence: 99%

“…Machining process plan can also be represented by a set of STEP-NC entities such as machining feature, working step, machining technology, machining strategy, and cutting tool. But most commercial CAM and CNC controllers do not support STEP-NC file [13]. Dimensional measuring interface specification (DMIS) defines both inspection process plan and inspection results.…”

Section: Related Work On Clms and Step-nc Controllermentioning

confidence: 99%

Architecture and implementation of closed-loop machining system based on open STEP-NC controller

Han

et al. 2015

Int J Adv Manuf Technol

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Effective approach of collecting, transmitting, and handling complete product manufacturing information during machining process is necessary for realizing high efficiency manufacturing. In this paper, the architecture and implementation of closed-loop machining system (CLMS) is discussed and the method of realizing machining process control is introduced. An integrated information flow is built based on object-oriented description method to transfer complete product manufacturing information in CLMS. The functional and informational model of CLMS is established by using integration definition method. Online and real-time machining process control is implemented on an open STEP-NC controller which is collecting and analyzing information of machining process condition and inspection results during machining process. The software kernel of CNC controller implemented on a computer platform integrates with machine tool, sensors, and probe for real-time data collecting and online inspection. Finally, test parts are machined and inspected to verify the proposed machining process control method and open STEP-NC controller.

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“…The designed model is exported as STEP Extensible Markup Language (XML) data format for successive low-level application without using complex feature recognition process. Xu et al (2005) performed a comprehensive review of STEP-numerical control (NC) developments for a range of computer NC processes. An attempt has been made to portray a futuristic view of STEP-NC applications for CAD/CAPP/CAM integration, the issues and challenges for STEP-NC.…”

Section: Introductionmentioning

confidence: 99%

Feature-based modelling and process parameters selection in a CAPP system for prismatic micro parts

Kumar

Jerald

Kumanan

2014

International Journal of Computer Integrated Manufacturing

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The present work deals with feature-based modelling (FBM) and process parameters selection in a computer-aided process planning (CAPP) system for prismatic micro parts. The proposed system maps the Extensible Markup Language (XML) data from the feature-based model and produces the corresponding process parameters required for micro part manufacturing. It has two components: (1) invention of FBM and automatic extraction of manufacturing feature information and (2) selection of process parameters for the given micro features using knowledge-based system (KBS) approach. An attempt has been made to develop process parameters based on experimental investigation and optimisation using genetic algorithm (GA) apart from the information from literatures and user manuals used for database development. FBM and data extraction through XML files avoid complex feature extraction and recognition processes. The application of the proposed system was verified with the case study. The present system is intended for miniature part with micro drill and mill features. Incorporation of more micro features and consideration of various other process planning activities ensures a complete CAPP system for prismatic micro parts.

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STEP-compliant NC research: the search for intelligent CAD/CAPP/CAM/CNC integration

Cited by 185 publications

References 22 publications

STEP-NC-based machining architecture applied to industrial robots

STEP-NC-based machining architecture applied to industrial robots

Architecture and implementation of closed-loop machining system based on open STEP-NC controller

Feature-based modelling and process parameters selection in a CAPP system for prismatic micro parts

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