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Tool life investigation of the thread making tools

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dc.title Tool life investigation of the thread making tools en
dc.contributor.author Monková, Katarína
dc.contributor.author Monka, Peter Pavol
dc.contributor.author Jurko, Jozef
dc.contributor.author Bílek, Ondřej
dc.contributor.author Habel, Jacek
dc.relation.ispartof Manufacturing Technology
dc.identifier.issn 1213-2489 Scopus Sources, Sherpa/RoMEO, JCR
dc.date.issued 2018
utb.relation.volume 18
utb.relation.issue 5
dc.citation.spage 787
dc.citation.epage 792
dc.type article
dc.language.iso en
dc.publisher Univerzita J. E. Purkyně v Ústí nad Labem (UJEP)
dc.identifier.doi 10.21062/ujep/180.2018/a/1213-2489/MT/18/5/787
dc.relation.uri https://arl.ujep.cz/arl-ujep/cs/detail-ujep_us_cat.13-0265314-Tool-life-investigation-of-the-thread-making-tools/
dc.subject Experiments en
dc.subject Helix angle en
dc.subject Tap en
dc.subject Thread en
dc.subject Tool life en
dc.subject Tool wear en
dc.description.abstract The article deals with an experimental investigation tool life of the thread making tools. During long-time tests, the uncoated taps for M12 threads making were used. They were produced from high speed steel with cone type C. Three helix angles ω = 0°, 15° and 35° of taps have been investigated at the cutting speeds of 10 mmin-1 (within the first experimental phase) and 20, 30, 40 mmin-1 (during the second phase). The holes for threads making were pre-drilled into workpieces that were bars (with a cross-section of 30 x 60 mm). They were produced from C45 steel that is a standard material used at long-term tests of tool durability. Microhardness of the workpiece bars was checked within preliminary tests as well as a rank angle of tools to be ensured the same conditions of experiments. The changes in a size of the M12 thread outside the tolerance field 6H, the visible changes in tool wear and the brittle fractures of the tools have been selected as the criteria for tool life evaluation. Achieved results were statistically processed and the dependencies of thread length (m) and tool life (min) respectively on the cutting speed were plotted. The types of tool wear have been also analysed at individual cutting speeds. © 2018. Published by Manufacturing Technology. en
utb.faculty Faculty of Technology
dc.identifier.uri http://hdl.handle.net/10563/1008384
utb.identifier.obdid 43878956
utb.identifier.scopus 2-s2.0-85058045270
utb.source j-scopus
dc.date.accessioned 2019-01-31T08:58:58Z
dc.date.available 2019-01-31T08:58:58Z
utb.contributor.internalauthor Monková, Katarína
utb.contributor.internalauthor Bílek, Ondřej
utb.scopus.affiliation TU Kosice, Faculty of Manufacturing Technologies with the seat in Presov, Sturova 31, Presov, 080 01, Slovakia; UTB Tomas Bata University in Zlin, Faculty of Technology, Vavreckova 275, Zlin, 760 01, Czech Republic; Cracow University of Technology, Faculty of Mechanical Engineering, Al. Jana Pawla II 37, Cracow, 31-864, Poland
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