TECHICAL Series MATHEMATICS • INFORMATICS • PHYSICS Series PHILOLOGY Series ECONOMIC SCIENCES Sereies EDUCATIONAL SCIENCES Series LAW AND SOCIAL SCIENCES Series
Designing and Building a CNC Router Using Stepper Motors
(Proiectarea şi execuţia unui router CNC ce utilizează motoare pas cu pas)
Vol LXII • No. 1/2010
Ion Nae, Tiberiu Andrei
Universitatea Petrol-Gaze din Ploieşti, Bd. Bucureşti, 39, Ploieşti
e-mail: inae@upg-ploiesti.ro

 Keywords   CNC, router, milling machine, stepper motor.

 Abstract
A CNC (computer numerical controlled) milling machine is a computer guided machine tool, used for creating sophisticated parts requested by modern technology. A milling machine can be very complex and can have up to 9 axes, being able to support translational or or rotational movements and therefore it can create very complex parts with an improved surface finish.
A CNC milling machine that uses stepper motors is easier to be produced, being accessible even for home built applications. The stepper motors have the great advantage of not needing a feedback from the process while providing high precision and repeatability.

 Rezumat
MUCN (maşina-uneltă cu comandă numerică) reprezintă o maşină de lucru programată numeric prin intermediul unui echipament de comandă numerică, utilizată pentru execuţia pieselor având forme geometrice complexe şi care reclamă asigurarea unei precizii şi repetabilităţi ridicate.
Lucrarea propune ca alternativă pentru MUCN clasice realizarea unui router CNC care utilizează elemente tipizate ce pot fi asamblate pentru obţinerea diferitelor mişcări ale sculei aşchietoare şi ale semifabricatului. Lucrarea prezintă principalele elemente tipizate existente pe piaţă, modul de asamblare a acestora pentru a realiza în final un router CNC cu trei axe, destinat prelucrărilor prin frezare. Soluţia propusă este simplă, având avantajul flexibilităţii şi preciziei ridicate, la care se adaugă avantaje economice ridicate.



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