Tihomir Mulc (Author), Toma Udiljak (Author), Franc Čuš (Author), Matjaž Milfelner (Author)

Abstract

Varnost in zanesljivost delovanja industrijskih obdelovalnih postopkov je pomemben pogoj za gospodarsko donosnost. Motnje v postopku, kakor so kolizija,preobremenitev, izpad in obraba orodja, niso popolnoma razumljive in povzročajo napake proizvodnega sistema. Da bi preprečili vpliv različnih motenj obdelovalnega postopka, npr. obrabo in lom orodja, posvečajo moderni tehnoloski sistemi posebno pozornost napovedovanju stanja rezalnega orodja. Številne teorije o spremljanju skušajo klasificirati in pojasniti obrabo orodja, vendar se nobena ni dala zadovoljivih rezultatov, ki bi hkrati zagotovila prilagodljivo in preprosto obvladovanje postopka za sprejemljivo ceno. Brezzančna struktura modernega ali digitalnega krmiljenja odpira nove možnosti in perspektive v tem pogledu. V mnogih primerih kombinacija signalov digitalne opreme in internih podatkov krmilnega sistema stroja, skupaj z izpolnjenimi metodami analize signalov, lahko nadomesti zunanje sisteme za spremljanje. Vgradnje programskega modula za nadzor postopka v krmilni sistem stroja omogoča hitre reakcije, če se pojavijo motnje postopka, in sicer brez dodatnega povečanja računalniške opreme.Ta prispevek preučuje občutljivost signalov v nadzornem sistemu na postopke obrabe rezalnega orodja pri čelnem struženju.

Keywords

krmiljenje;nadzor stanj;občutljivost signalov;obraba orodij;rezalna orodja;sistemi krmilni;struženje

Data

Language: Slovenian
Year of publishing:
Typology: 1.01 - Original Scientific Article
Organization: UM FS - Faculty of Mechanical Engineering
Publisher: Association of Mechanical Engineers and Technicians of Slovenia et al.
UDC: 621.9.02
COBISS: 7893019 Link will open in a new window
ISSN: 0039-2480
Parent publication: Strojniški vestnik
Views: 1304
Downloads: 38
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Other data

Secondary language: English
Secondary title: Monitoring cutting- tool wear using signals from the control system
Secondary abstract: The safety and reliability of operation of industrial manufacturing processes is a very important prerequisite for economic production. Process disturbancessuch as collision, overload, breakdown and tool wear are not yet fully understood, and cause production-system failures. In order to prevent the effects of excess wear or eventual tool breakdown, modern technological systems pay particular attention to predicting the condition of tool. Numeroustheories of monitoring have tried to classify and explain tool wear, but none have given completely satisfactory results as yet, while at the same time ensuring flexible, simple and cost-effective process control. The open structure of modern digital control opens up new possibilities: in many cases the combination of digital plant signals and the internal data of the machine control system, along with advanced methods of signal analysis, can replace external control systems. The integration of a process-control software moduleinto the machine control system allows fast reactions, should there be any process disturbances, without any additional hardware expansion. This paper studies the sensitivity of signals contained in the control system to the cutting-tool wear processes in face turning.
Secondary keywords: conditioning monitoring;control systems;sensitivity analysis;turning;tool wear;nadzor stanj;sistemi krmilni;občutljivost signalov;struženje;obraba orodij;
URN: URN:NBN:SI
Type (COBISS): Not categorized
Pages: str. 568-579
Volume: ǂLetn. ǂ50
Issue: ǂšt. ǂ12
Chronology: 2004
ID: 1744097
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