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Trajektorija gibanja vretena ostrilnega stroja
ID Matkovič, Sebastjan (Author), ID Kunc, Robert (Mentor) More about this mentor... This link opens in a new window

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Abstract
Uporabniki nizkocenovnih ostrilnih strojev orodji tračnih žag poročajo o težavah zaradi nemožnosti kakovostnega in ekonomsko sprejemljivega ostrenja orodji tračnih žag. Torej težave nastopajo tudi zaradi neustrezne programske opreme za upravljanje ostrilnih CNC – strojev. V magistrskem delu je predstavljen – računalniški program, ki na podlagi fizične oblike zob tračnih žag matematično popiše obliko zob: vrh zoba, cepilno ploskev, vznožje zoba z radijem prehoda ter potek hrbta oziroma proste ploskve. Nato program iz nabora standardne oblike brusnih kolutov določi najprimernejši brus ter za izbrani brus določi trajektorijo gibanja. Poleg programa smo izbrali še sistem linearnih vodil, katera, ob zagotavljanju definiranih zahtev, omogočajo trajektorijo gibanja vretena ostrilnega stroja. Delovanje programske kode smo preizkusili tako z analizo obstoječega fizičnega modela orodja tračne žage, kot tudi s teoretičnim modelom. Ugotovili smo, da program odstopa od 2% do 8% pri fizičnem model ter od 0,7% do 2,5% pri teoretičnem modelu.

Language:Slovenian
Keywords:tračna žaga ostrenje oblika zob procesiranje posnetkov zaznavanje robov trajektorija
Work type:Master's thesis
Typology:2.09 - Master's Thesis
Organization:FS - Faculty of Mechanical Engineering
Publisher:[S. Matkovič]
Year:2018
PID:20.500.12556/RUL-102735 This link opens in a new window
UDC:621.923.6(043.2)
COBISS.SI-ID:16424731 This link opens in a new window
Publication date in RUL:07.09.2018
Views:1690
Downloads:374
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Secondary language

Language:English
Title:Trajectory of the spindle movement of the sharpening machine
Abstract:
Users of low cost sharpening machines for the band saw blades report difficulties and incapability of quality and economically acceptable sharpening. Problems, among other reasons, also arise due to inadequate CNC controlling software for sharpening machines. In this master’s thesis, a computer software, which based on existing physical form of the band saw teeth mathematically describes shape of the teeth, is presented. The shape is: tooth point, front of tooth and gullet bottom with radius of the passage to the back side. Software also picks a grinding wheel from a user created library. The trajectory of movement of the grinding wheel is then created. Besides the software, the linear guides, which enable the movement of the grinding spindle along the provided trajectory, were chosen. The software code was tested by analyzing both the existing physical model of the blade, as well as the theoretical model. It was found that the software shows a deviation of 2% to 8% for the physical model and of 0.7% to 2.5% for the theoretical model.

Keywords:bandsaw sharpening teeth shape image processing edge detection trajectory

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