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Razvoj avtomatskega večfunkcijskega stroja za izdelavo stolnih nog
ID MIHELIČ, BOJAN (Author), ID Karer, Gorazd (Mentor) More about this mentor... This link opens in a new window

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Abstract
Cilj naloge je predstaviti avtomatski obdelovalni stroj za obdelavo lesenih nog za stole. Moja naloga pri izdelavi stroja je bila montaža in povezava krmilnika z vhodno-izhodnimi komponentami ter izdelati program v lestvičnem diagramu. V diplomi je najprej opisano splošno delovanje stroja ter delovanja krmilnika. Zatem je predstavljen stroj z varnostnega vidika, kar zajema izklapljanje stroja in način, kako so na stroju uveljavljene zahteve glede varnosti delavca, stroja in obdelovanca. Sledi opis krmilnega programa, ki je razdeljen na več podpoglavij glede na funkcije programa. S tem dobimo celostno podobo predstavljenega stroja. Diplomsko delo se zaključi s predstavitvijo poskusa programiranja medsebojnega preverjanja impulzov iz inkrementalnega rotacijskega enkoderja z uporabo hitrih števnih vhodov ter končno rešitvijo za odpravo nepravilnosti pri pomiku. Rezultati pokažejo pomembnost predhodnega načrtovanja za uporabo rotacijskih enkoderjev v avtomatizaciji in primerjanje namembnosti enkoderja z rešljivostjo problema z drugimi preprostejšimi metodami.

Language:Slovenian
Keywords:avtomatski obdelovalni stroj, obdelava, avtomatika, krmiljenje, lestvični diagram, rotacijski enkoder.
Work type:Bachelor thesis/paper
Organization:FE - Faculty of Electrical Engineering
Year:2019
PID:20.500.12556/RUL-108600 This link opens in a new window
Publication date in RUL:09.07.2019
Views:1202
Downloads:231
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Secondary language

Language:English
Title:Development of a multifunctional machine for production of wooden chair legs
Abstract:
The aim of this thesis is to describe an automatic machine for processing wooden chair legs. My work on this machine consisted of mounting and connecting all the input-output components to the main controller and developing a program in ladder logic. Firstly I describe how the machine and the controller work in general. Furthermore, I met with various issues from the safety viewpoint. Namely, I explain how the switch-off and functional safety requirements for the worker, the machine and the processed parts are met and realised. In addition, I explain the description of the program logic, which is divided into more subprograms based on their functions. Therefore the reader gets the full image of the machine and its operation. The thesis ends with an explanation of an attempt to program the controller to utilize two high-speed counter inputs to compare impulses of a shaft encoder. It discusses the way I solved the occuring irregularity. The results show the importance of pre-planning when using a shaft encoder in automation and comparing encoder purpose with solvability of the problem using simpler methods.

Keywords:automatic processing machine, processing, automatic control, ladder diagram, shaft encoder.

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