?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=RANCANG+BANGUN+SISTEM+PAHAT+PUTAR+AKTIF+TERGERAK+(ACTIVE+DRIVEN+ROTARY+TOOL)+UNTUK+APLIKASI+PEMBUBUTAN+MATERIAL+MAGNESIUM&rft.creator=Prancana+Muhammad+Riyadi%2C+1015021008&rft.subject=+&rft.description=Abstract%0D%0A%0D%0AMagnesium+is+an+alkaline+earth+metal+and+including+the+third-most+element+in+seawater.+Because+it+has+a+mild+nature%2C+magnesium+suitable+used+for+a+replacement+to+cast+iron+and+steel+in+a+heavy+automotive+components.+Magnesium+has+a+good+characteristics+in+cutting+and+profitable.+However+besides+the+advantages+that+magnesium+have%2C+it%E2%80%99s+also+known+as+a+metal+that+easy+to+burn+especially+when+machining+process+with+high+speed+and+feeds+number.+The+chip+will+be+burn+when+the+temperature+higher+than+the+temperature+melting+point+of+the+material+(4000C-6000C).+While+the+driven+rotary+is+activated%2C+the+cutting+blade+area+get+the+cooling+when+the+cutting+blade+area+doesn%E2%80%99t+touch+the+material+during+the+process.+Therefore%2C+the+cutting+temperature+will+potentially+decrease+so+that+the+ignition+chip+at+magnesium+machining+will+decrease+and+it%E2%80%99s+causes+the+tool+won%E2%80%99t+easy+to+worn-out.+The+purpose+of+research+is+to+design%2C+build+and+test+the+system+of+active+driven+rotary+tool+for+turning+application+of+magnesium.+The+concept+of+design+is+to+create+a+replacement+tool+post+in+lathe+machine+using+active+driven+rotary+tool.+The+rotary+tool+designed+with+propulsion+system+using+the+brushless+DC+motor%2C+transmision+system+use+gear+and+mandrel+for+gripping+tool+holder.+Total+dimensions+of+the+machine+designed+is+(158+x+150)+mm.+The+highest+run+out+of+the+test+results+0.12+mm+tool+rotation+used+variation+of+92.6+rpm+to+2117+rpm%2C+maximum+vibration+with+velocity+of+1.7+mm%2Fs+is+still+acceptable+with+ISO+2372+standard+and+feeding+roughness+parameters+0.05+mm+and+depth+of+cut+0.02+mm+and+also+round+workpieces+950+rpm+resulted+roughness+of+2.46+%CE%BCm.+The+result+of+roughness+test+is+still+in+the+tolerance+limits+of+the+ISO+standard+Roughness+Number.+Key+word+%3A+magnesium%2C+rotary+tool%2C+lathe%2C+roughness%2C+run+out%2C+vibration.%0D%0A%0D%0A%0D%0AAbstrak%0D%0A%0D%0AMagnesium+merupakan+logam+alkali+tanah+dan+termasuk+unsur+terlarut+ketiga+terbanyak+pada+air+laut.+Karena+memiliki+sifat+yang+ringan%2C+magnesium+cocok+digunakan+sebagai+pengganti+besi+cor+dan+baja+pada+komponen+otomotif+yang+relatif+berat.+Magnesium+sebetulnya+pada+satu+sisi+dikenal+karena+karakteristik+pemotongannya+yang+sangat+baik+dan+menguntungkan.+Namun+dibalik+kelebihan+yang+dimiliki%2C+magnesium+juga+dikenal+sebagai+bahan+logam+yang+mudah+terbakar+terutama+pada+saat+pemesinan+dengan+kecepatan+potong+dan+pemakanan+yang+tinggi.+Geram+akan+terbakar+ketika+suhu+pemotongan+melebihi+titik+cair+bahan+yaitu+(4000C+-+600%C2%B0C).+Dengan+menggunakan+pahat+putar%2C+saat+pahat+berputar+maka+area+pisau+potong+mendapatkan+pendinginan+saat+pahat+tidak+melakukan+proses+pemotongan.+Oleh+sebab+itu%2C+suhu+pemotongan+pada+pahat+berpotensi+menurun+sehingga+akan+mengurangi+penyalaan+geram+pada+proses+pemesinan+magnesium+dan+pahat+tidak+mudah+aus.+Penelitian+ini+bertujuan+untuk+merancang%2C+membangun+serta+menguji+sistem+pahat+aktif+untuk+proses+pemesinan+magnesium.%0D%0APerancangan+yang+dilakukan+menghasilkan+konsep+penggantian+tool+post+pada+mesin+bubut+dengan+menggunakan+pahat+putar.+Pahat+putar+ini+dirancang+dengan+sistem+penggerak+menggunakan+motor+brushless+DC%2C+sistem+transmisi+menggunakan+roda+gigi+serta+mandril+untuk+mencekam+dudukan+pahat.+Dimensi+total+mesin+yang+dirancang+yaitu+(158+x+150+)+mm.+Hasil+pengujian+run+out+tertinggi+yang+diperoleh+yaitu+0%2C12+mm+dengan+variasi+putaran+pahat+dari+92%2C6+rpm+sampai+2117+rpm%2C+getaran+maksimum+dengan+velocity+1%2C7+mm%2Fs+masih+tergolong+acceptable+sesuai+standar+ISO+2372+serta+kekasaran+dengan+parameter+feeding+0%2C05+mm%2C+kedalaman+potong+0%2C02+mm+serta+putaran+benda+kerja+950+rpm+menghasilkan+kekasaran+sebesar+2%2C46+%CE%BCm.+Hasil+pengujian+kekasaran+ini+masih+berada+dalam+batas+toleransi+dari+standar+ISO+Roughness+Number.%0D%0AKata+kunci%3A+magnesium%2C+pahat+putar+aktif%2C+bubut%2C+run+out%2C+kekasaran%2C+getaran.%0D%0A%0D%0AAbstract%0D%0A%0D%0AMagnesium+is+an+alkaline+earth+metal+and+including+the+third-most+element+in+seawater.+Because+it+has+a+mild+nature%2C+magnesium+suitable+used+for+a+replacement+to+cast+iron+and+steel+in+a+heavy+automotive+components.+Magnesium+has+a+good+characteristics+in+cutting+and+profitable.+However+besides+the+advantages+that+magnesium+have%2C+it%E2%80%99s+also+known+as+a+metal+that+easy+to+burn+especially+when+machining+process+with+high+speed+and+feeds+number.+The+chip+will+be+burn+when+the+temperature+higher+than+the+temperature+melting+point+of+the+material+(4000C-6000C).+While+the+driven+rotary+is+activated%2C+the+cutting+blade+area+get+the+cooling+when+the+cutting+blade+area+doesn%E2%80%99t+touch+the+material+during+the+process.+Therefore%2C+the+cutting+temperature+will+potentially+decrease+so+that+the+ignition+chip+at+magnesium+machining+will+decrease+and+it%E2%80%99s+causes+the+tool+won%E2%80%99t+easy+to+worn-out.+The+purpose+of+research+is+to+design%2C+build+and+test+the+system+of+active+driven+rotary+tool+for+turning+application+of+magnesium.+The+concept+of+design+is+to+create+a+replacement+tool+post+in+lathe+machine+using+active+driven+rotary+tool.+The+rotary+tool+designed+with+propulsion+system+using+the+brushless+DC+motor%2C+transmision+system+use+gear+and+mandrel+for+gripping+tool+holder.+Total+dimensions+of+the+machine+designed+is+(158+x+150)+mm.+The+highest+run+out+of+the+test+results+0.12+mm+tool+rotation+used+variation+of+92.6+rpm+to+2117+rpm%2C+maximum+vibration+with+velocity+of+1.7+mm%2Fs+is+still+acceptable+with+ISO+2372+standard+and+feeding+roughness+parameters+0.05+mm+and+depth+of+cut+0.02+mm+and+also+round+workpieces+950+rpm+resulted+roughness+of+2.46+%CE%BCm.+The+result+of+roughness+test+is+still+in+the+tolerance+limits+of+the+ISO+standard+Roughness+Number.+Key+word+%3A+magnesium%2C+rotary+tool%2C+lathe%2C+roughness%2C+run+out%2C+vibration.&rft.publisher=Fakultas+Teknik&rft.date=2015-01-28&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F1%2F0.%2520Cover%2520Depan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F2%2F01.%2520Abstrak.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F3%2F02.%2520Abstrack.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F4%2F03.%2520Cover%2520Dalam.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F5%2F04.%2520Halaman%2520Persetujuan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F6%2F05.%2520Halaman%2520Pengesahan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F7%2F06%2520Pernyataan%2520Penulis.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F8%2F07.%2520Riwayat%2520Hidup.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F11%2F08.%2520Halaman%2520Motto.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F10%2F09.%2520Halaman%2520Persembahan.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F12%2F10.%2520San%2520Wacana.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F13%2F11.%2520Daftar%2520Isi.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F14%2F12.%2520Daftar%2520Gambar.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F15%2F13.%2520Daftar%2520Tabel.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F16%2F14.%2520Daftar%2520Lampiran.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F17%2F15.%2520Daftar%2520Simbol.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F18%2F16.%2520BAB%25201.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F19%2F17.%2520BAB%2520II.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F20%2F18.%2520BAB%2520III.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F21%2F19.%2520BAB%2520IV.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F22%2F20.%2520BAB%2520V.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F23%2F21.%2520DAFTAR%2520PUSTAKA.pdf&rft.identifier=++Prancana+Muhammad+Riyadi%2C+1015021008++(2015)+RANCANG+BANGUN+SISTEM+PAHAT+PUTAR+AKTIF+TERGERAK+(ACTIVE+DRIVEN+ROTARY+TOOL)+UNTUK+APLIKASI+PEMBUBUTAN+MATERIAL+MAGNESIUM.++Fakultas+Teknik%2C+Universitas+Lampung.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F7144%2F