Abstract

Normalisation of STEP Files for Improving the Data Compatibility of Transferred Tool Models

Highlights

  • In 2011 the initiative "Industrie 4.0" was introduced in Germany for the first time

  • This paper examines the avoidance of compatibility problems due to interface-related causes by normalising the STEP files

  • The poor quality of exchanged 3D models still poses a big problem in today's industry

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Summary

INTRODUCTION

In 2011 the initiative "Industrie 4.0" was introduced in Germany for the first time. This fourth industrial revolution is intended to expand the already highly automated industry by developing intelligent monitoring and autonomous decision-making processes to enable the control and optimisation of entire value-added networks [1, 2]. In order to assess the quality of the export or import of different 3D CAD programs, studies are conducted at the Chair of Engineering Design and CAD at the University of Bayreuth In these investigations the transfer of different selected features via the neutral exchange format STEP is considered. These investigations are absolutely necessary because, in spite of the possibilities and the great potential of the STEP standard, studies show that there are often transfer problems in practice [3, 4] These errors result in multiple manual reworking of the virtual model and are preventing a development towards Industry 4.0. This paper examines the avoidance of compatibility problems due to interface-related causes by normalising the STEP files

DATA TRANSFER OF 3D TOOL MODELS
Data Transfer of a 3D Model
State of the Art
The Neutral Data Format STEP
METHOD FOR ANALYSING AND IMPROVING THE DATA QUALITY
Requirements for Tool Data Exchange
Compatibility Checks – an Example
Error Weighting
Classification of the Problem Sources
Extractive Solutions
NORMALISATION FOR IMPROVING THE DATA COMPATIBILITY
Procedure for the Normalisation of STEP Files
Example for Improving the Data Compatibility by Normalisation
Quality Improvement through Normalisation of the STEP Files
Findings
CONCLUSION
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