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Navpično sledenje spoju pri robotskem varjenju TIG
ID Otoničar, Miha (Author), ID Klobčar, Damjan (Mentor) More about this mentor... This link opens in a new window

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Abstract
Funkcija krmiljenja oddaljenosti gorilnika od varjenca (angl. Automatic Voltage Control – AVC), omogoča prilagajanje oddaljenosti gorilnika na osnovi obločne napetosti. Tak način krmiljenja se uporablja pri avtomatiziranem in robotiziranem varjenju TIG in varjenju MIG/MAG, saj se lahko geometrija zvarnega spoja spreminja. V diplomski nalogi obravnavamo navpično sledenje funkcije AVC pri robotskem varjenju TIG, na varjencu iz konstrukcijskega jekla S355. Preučevali smo parametre, ki vplivajo na navpično sledenje funkcije AVC. Na kakovost sledenja omenjene funkcije vplivajo: čas vzorčenja, navpična občutljivost, začetek zajemanja referenčnih podatkov, število zajetih referenčnih podatkov, hitrost varjenja in jakost varilnega toka. Raziskovali smo vpliv posameznih parametrov in njihove kombinacije za čimbolj ustrezno sledenje gorilnika. Z analiziranjem rezultatov posameznih eksperimentov smo prišli do optimalnih parametrov, ki zagotavljajo ustrezno sledenje funkcije AVC.

Language:Slovenian
Keywords:varjenje TIG, navpično sledenje spoju, AVC funkcija, robotsko varjenje, funkcija sledenja spoju, nastavitev AVC funkcije
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:FS - Faculty of Mechanical Engineering
Place of publishing:Ljubljana
Publisher:[M. Otoničar]
Year:2024
Number of pages:XXI, 64 str.
PID:20.500.12556/RUL-160462 This link opens in a new window
UDC:621.791.75:007.52(043.2)
COBISS.SI-ID:211451395 This link opens in a new window
Publication date in RUL:29.08.2024
Views:170
Downloads:39
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Secondary language

Language:English
Title:Vertical seam tracking in robotic TIG welding
Abstract:
The function of controlling the distance between the torch and the workpiece (Automatic Voltage Control – AVC) adjusts the height based on arc voltage. This type of control is used in automated and robotic TIG and MIG/MAG welding, as the geometry of the weld joint constantly changes. In this thesis, we address the vertical tracking of the AVC function in robotic TIG welding on a workpiece made of structural steel S355. We studied the parameters that influence the vertical tracking of the AVC function. The quality of tracking is affected by sampling timing, vertical compensation gain, vertical master sampling start, vertical master sampling count, welding speed, and welding current intensity. We investigated the impact of individual parameters and their combinations to achieve the most appropriate seam tracking. By analyzing the results from the experiments, we determined the optimal parameters of the AVC function that ensure proper seam tracking.

Keywords:TIG welding, vertical seam tracking, AVC function, robotic welding, seam tracking function, AVC function setting

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