{"?xml":{"@version":"1.0"},"edm:RDF":{"@xmlns:dc":"http://purl.org/dc/elements/1.1/","@xmlns:edm":"http://www.europeana.eu/schemas/edm/","@xmlns:wgs84_pos":"http://www.w3.org/2003/01/geo/wgs84_pos","@xmlns:foaf":"http://xmlns.com/foaf/0.1/","@xmlns:rdaGr2":"http://rdvocab.info/ElementsGr2","@xmlns:oai":"http://www.openarchives.org/OAI/2.0/","@xmlns:owl":"http://www.w3.org/2002/07/owl#","@xmlns:rdf":"http://www.w3.org/1999/02/22-rdf-syntax-ns#","@xmlns:ore":"http://www.openarchives.org/ore/terms/","@xmlns:skos":"http://www.w3.org/2004/02/skos/core#","@xmlns:dcterms":"http://purl.org/dc/terms/","edm:WebResource":[{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:doc-JYP2EST7/0db7b11d-2757-4457-a58c-81451c7e8247/HTML","dcterms:extent":"44 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:doc-JYP2EST7/9864c81d-11d0-46ea-8ecf-8a68a692e282/PDF","dcterms:extent":"247 KB"},{"@rdf:about":"http://www.dlib.si/stream/URN:NBN:SI:doc-JYP2EST7/35dcfbce-f264-4815-a0db-39979151c790/TEXT","dcterms:extent":"51 KB"}],"edm:TimeSpan":{"@rdf:about":"1999-2025","edm:begin":{"@xml:lang":"en","#text":"1999"},"edm:end":{"@xml:lang":"en","#text":"2025"}},"edm:ProvidedCHO":{"@rdf:about":"URN:NBN:SI:doc-JYP2EST7","dcterms:isPartOf":[{"@rdf:resource":"https://www.dlib.si/details/URN:NBN:SI:spr-6QOUKQ9A"},{"@xml:lang":"sl","#text":"Strojniški vestnik"}],"dcterms:issued":"2002","dc:creator":"Brožek, Milan","dc:format":[{"@xml:lang":"sl","#text":"15 strani"},{"@xml:lang":"sl","#text":"letnik:48"},{"@xml:lang":"sl","#text":"številka:9"},{"@xml:lang":"sl","#text":"str. 501-515"}],"dc:identifier":["ISSN:0039-2480","COBISSID:5592859","URN:URN:NBN:SI:doc-JYP2EST7"],"dc:language":["en","sl"],"dc:publisher":[{"@xml:lang":"sl","#text":"Association of Mechanical Engineers and Technicians of Slovenia et al."},{"@xml:lang":"sl","#text":"Zveza strojnih inženirjev in tehnikov Slovenije et al."}],"dc:subject":[{"@xml:lang":"sl","#text":"hrapavost površin"},{"@xml:lang":"sl","#text":"navarjanje"},{"@xml:lang":"sl","#text":"odrezavanje"},{"@xml:lang":"sl","#text":"ploščice ostrilne"},{"@xml:lang":"sl","#text":"pogoji rezanja"},{"@xml:lang":"sl","#text":"struženje"},{"@xml:lang":"sl","#text":"struženje navarov"},{"@rdf:resource":"http://www.wikidata.org/entity/Q258127"}],"dcterms:temporal":{"@rdf:resource":"1999-2025"},"dc:title":{"@xml:lang":"sl","#text":"Struženje navarov z orodji podjetja Walter| The turning of overlays using tools produced by the company Walter|"},"dc:description":[{"@xml:lang":"sl","#text":"Surfacing technology is used to produce layers with special properties for newparts or worn out functional surfaces. For many parts it is necessary to machine them to fulfill the requirements for shape, size and roughness. But the machining of overlays is, in comparison with the machining of drawn or rolled semiproducts, specialized. Usually, the optimization of the cutting conditions comes from long-term tool-life test results. For these tests we have experimentally determined time dependences of tool wear at different cutting speeds for every combination of overlay and cutting materials. These dependences are the basis for the determination of the relationship between tool-life and cutting speed for the limit of tool wear. The relationships between cutting speed and tool-life determined in this way are the initial values for one's own optimization of the cutting conditions. It is usual for the optimum to be determined for the minimum machining costs criterion. "},{"@xml:lang":"sl","#text":"Tehnologija navarjanja se v praksi uporablja za oblikovanje površinskih plasti s specifičnimi lastnostmi v primeru na novo narejenih sestavnih delov oziroma pri popravilih obrabljenih funkcijskih ploskev sestavnih delov. Pri veliki večini sestavnih delov je glede na želeno obliko, izmero in površino navarjenega predmeta te treba tudi obdelati. Takšna obdelava ima v primerjavi z obdelovanjem vlečenih ali valjanih polizdelkov nekatere posebnosti. Zaradi optimizacije rezalnih razmer se po navadi izhaja iz rezultatov dolgoročnih preskusov obstojnosti orodja. Pri njih se eksperimentalno ugotavlja časovna odvisnost obrabljenosi orodja pri različnih stopnjah rezalne hitrosti za vsako kombinacijo materialov navarjenega predmeta in orodja. Iz te odvisnosti se za mejno velikost obrabljenosti orodja določi odvisnost obstojnosti orodja za rezalno hitrost. Tako ugotovljene odvisnosti T - vc so izhodišče vrednosti za lastno optimizacijo rezalnih razmer. Ta pa se najpogosteje izvaja po kriteriju najmanjših proizvodnih stroškov. 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