?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=OPTIMASI+PARAMETER+PEMESINAN+TERHADAP+KEPRESISIAN+GEOMETRI+ULIR+KORTIKAL+TI-6Al-4V+ELI+MENGGUNAKAN+METODE+TAGUCHI+L9&rft.creator=Kurnia+Agung+Laksono%2C+1715021011&rft.subject=600+Teknologi+(ilmu+terapan)&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=ABSTRACT%0D%0A%0D%0AOPTIMIZATION+OF+MACHINING+PARAMETERS+TO+THE+PRECISION+OF+TI-6Al-4V+ELI+CORTICAL+THREAD+GEOMETRY+USING+THE+TAGUCHI+METHOD+L9%0D%0A+%0D%0A%0D%0A%0D%0ABy%0D%0A%0D%0A%0D%0AKurnia+Agung+Laksono%0D%0A%0D%0A%0D%0A%0D%0AIn+orthopedic+surgery%2C+an+implant+is+a+device+that+is+placed+as+a+bone+to+support+fractures%2C+which+can+be+placed+inside+or+outside+the+body.+Titanium+and+its+alloys+are+a+type+of+material+used+in+bone+implants+because+they+have+good+biocompatible+properties+and+corrosion+resistance.+This+study+aims+to+find+optimal+conditions+for+cutting+to+the+precision+of+cortical+thread+geometry.%0D%0ACNC+machining+is+the+type+of+machining+chosen+in+this+study+and+the+material+used+is+Ti-6Al-4v+ELI.+The+machining+parameters+used+are+spindle+rotation+of+100%2C+200%2C+and+300+rpm%2C+while+the+Depth+of+Cut+is+0.01%2C+0.02%2C+and+0.03+mm%2C+and+the+lubricants+used+are+synthetic+oil%2C+virgin+palm+oil%2C+and+virgin+coconut+oil.+The+precision+of+thread+geometry+can+be+seen+through+the+measurement+of+thread+peak+distance+error%2C+thread+height+error+and+thread+angle+error+using+profile+projector.%0D%0AIn+this+study%2C+it+was+shown+that+the+optimal+cutting+conditions+were+found+in+the+spindle+rotation+parameters+of+300+rpm%2C+DOC+of+0.01+mm+and+VCO+type+lubricants%2C+resulting+in+thread+peak+distance+errors+and+the+smallest+thread+height+errors+of+0.002+mm+and+0.006+mm.+This+is+inversely+proportional+to+the+angular+error+value%2C+the+optimal+cutting+conditions+are+found+in+the+spindle+rotation+parameters+of+100+rpm+and+DOC+of+0.01+mm+with+synthetic+oil+lubricant+types%2C+resulting+in+angular+error+values+of+both+%CE%B1+and+%CE%B2+values+of+0.041%C2%B0+and+0.051%C2%B0.+Similarly%2C+the+best+thread+surface+profile+was+obtained+in+the+use+of+DOC+0.01+mm%2C+the+higher+the+DOC+value%2C+the+more+defects+in+the+form+of+cutting+residue+on+the+thread+surface.%0D%0A%0D%0A%0D%0AKeywords+%3A+bone+implants%2C+Ti-6Al-4V+ELI%2C+precision+of+thread+geometry%2C+optimization%0D%0A&rft.publisher=TEKNIK&rft.date=2022-08-25&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65720%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65720%2F3%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F65720%2F2%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++Kurnia+Agung+Laksono%2C+1715021011++(2022)+OPTIMASI+PARAMETER+PEMESINAN+TERHADAP+KEPRESISIAN+GEOMETRI+ULIR+KORTIKAL+TI-6Al-4V+ELI+MENGGUNAKAN+METODE+TAGUCHI+L9.++TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F65720%2F