http://www.google.com.co/url?sa=t&source=web&cd=1&ved=0CBQQFjAA&url=http%3A%2F%2Fwww.postmat.unal.edu.co%2FTecnologia_CNC_ruteadora.pdf&rct=j&q=orthoglide%20unal&ei=f5suTICUPIKBlAeLl5HQCQ&usg=AFQjCNH_P6hGE7Pd1uwypEJLTrIOC1mqyw saludos Ronald