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Uporaba digitalnih dvojčkov za analizo izdelovalnega procesa malo serijskih kompleksnih obdelovancev na večopravilnih strojih
ID Grbac, Jaka (Author), ID Pušavec, Franci (Mentor) More about this mentor... This link opens in a new window

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Abstract
V magistrski nalogi je predstavljen potek razvoja algoritma za točno preračunavanje porabljenega časa operacij na CNC strojih in postopek optimizacije vrstnega reda operacij na večopravilnih strojih. V prvem delu je podrobno predstavljeno teoretično ozadje večopravilnih strojev in delovno okolje CAM programskega modula MillTurn. Predstavljen je tudi osnovni teoretični princip izračuna časa vseh odrezovalnih operacij. V nadaljevanju sem podrobneje razložil zasnovo algoritma za točen preračun časov ter predstavil snovanje programske kode v okolju Python. Izvedel sem časovno primerjavo pri različnih kinematskih pogojih in med seboj primerjal rezultate. Na koncu sem predstavil tudi optimalni postopek optimizacije celotnega cikla kompleksnega kosa na večopravilnem stroju ter pokazal, kako sinhronizacija operacij lahko vpliva na skupni čas operacij.

Language:Slovenian
Keywords:večopravilni stroj, millturn, časovna primerjava, razvoj algoritma, optimizacija procesa, sinhronizacije obdelav, mastercam
Work type:Master's thesis/paper
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[J. Grbac]
Year:2023
Number of pages:XX, 63 str.
PID:20.500.12556/RUL-149174 This link opens in a new window
UDC:004.421:658.513.4(043.2)
COBISS.SI-ID:166551555 This link opens in a new window
Publication date in RUL:05.09.2023
Views:288
Downloads:33
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Secondary language

Language:English
Title:Using digital twins for analyzing manufacturing process of small batch complex workpieces on multitasking machines
Abstract:
The master's thesis presents the development process of an algorithm for accurately calculating the time taken for operations to complete on CNC machines and the procedure for optimizing the sequence of operations on multistream machines. The first part comprehensively introduces the theoretical background of multistream machines and the working environment of the CAM software module MillTurn. The basic theoretical principle for calculating the time of all cutting operations is also presented. Furthermore, logic of the algorithm for precise time calculation is explained in detail, and the design of the programming code in the Python environment is presented. I performed a time comparison under different kinematic conditions and compared the results with each other. Finally, I also presented the optimisation procedure for the complete cycle of a complex workpiece on a multistream machine and showed how synchronisation of operations can affect the total feed time.

Keywords:multistream machine, millturn, time comparison, algorithm development, process optimization, operation synchronization, mastercam

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