| id |
sigradi2017_051 |
| authors |
Quitral Zapata, Francisco Javier; Luis Felipe González Böhme |
| year |
2017 |
| title |
Máquina CNC de 7 ejes para cortar poliestireno expandido (EPS) obteniendo superficies de doble curvatura en una sola pasada. [7-axis CNC machine to cut expanded polystyrene (EPS) for obtaining double-curved surfaces in a single pass.] |
| source |
SIGraDi 2017 [Proceedings of the 21th Conference of the Iberoamerican Society of Digital Graphics - ISBN: 978-956-227-439-5] Chile, Concepción 22 - 24 November 2017, pp.352-357 |
| summary |
We present a novel CAD/CAM apparatus and method for single-pass cutting of double-curved expanded polystyrene formworks. A rationalization approach was implemented using generic solvers in a popular free visual programming environment integrated into a well-known commercial CAD software, which allows finding elastica curve sections for processing double-curved NURBS surfaces. This procedure allows us to convert bending curves geometry into G-code coordinates for numerically controlling a flexible cutting hot-blade. A prototype 7-axis machine was experimentally validated in a series of cutting processes of EPS formworks to build a double-curved concrete pony wall. |
| keywords |
Hot-blade cutting, Double-curved surfaces, Single-pass cutting, Expanded polystyrene formworks, Computer-aided manufacturing |
| series |
SIGRADI |
| email |
francisco.quitral@usm.cl |
| full text |
 file.pdf (1,059,110 bytes) |
| references |
Content-type: text/plain
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| last changed |
2021/03/28 19:59 |
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