The Development of Methodology for Tool Path Generation Using STEP Data Model Based on ISO 6983
How to Cite?
Abd Rahman, Z, Mohamed, S.B, Kasim, M.S, Ariffïn, M.K.A, Zulkifli, A.R, "The Development of Methodology for Tool Path Generation Using STEP Data Model Based on ISO 6983," International Journal of Engineering Trends and Technology, vol. 69, no. 6, pp. 144-153, 2021. Crossref, https://doi.org/10.14445/22315381/IJETT-V69I6P223
The STEP file contains 3D data in a universal data format (ISO 10303-21) structured in boundary representation methodology. It can exchange data models in G-code (ISO 6983) between CAD, CAM, and CNC systems. Currently, G-code generation uses CAM software as an add-on, with high installation costs. This software usually only embraces a specific CAD format. This paper addresses a methodology for designing, implementing, developing, and testing the Integrated Interface System (IIS). In current manufacturing systems requiring intelligent machine controllers, developing IIS for CNC machining provides an alternative to generating G-code without using CAM software. This system can generate G-code based on ISO 6983 and offer tool paths for the machining process using STEP files. The system provides the function to read and extract relevant information from the STEP file that eventually writes a G-code file format. A geometric sample part modeled on a 3D model in a STEP file format. Machining is conducted using the Mach4 controller to mill the sample, and the results were tested using the CNC simulator and the Mach4 simulation. The validation process compares the CAD design features, simulation results, and final machining process products.
STEP, B-rep, CNC, Geometric Data Extraction, G-code.
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