?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+GERAK+MAKAN+DAN+KEDALAMAN+POTONG+TERHADAP%0D%0AKEKASARAN+PERMUKAAN+PADA+PENGEFRAISAN+MAGNESIUM%0D%0AMENGGUNAKAN+MINIMUM+QUANTITY+LUBRICATION+(MQL)&rft.creator=MUCHLIS+MUTAQQIN%2C++1115021053&rft.subject=Teknik+mesin+dan+mesin&rft.description=Pada+proses+pemesinan%2C+Magnesium+memiliki+karakteristik+pemotongan+yang+sangat+baik+dan%0D%0Amenguntungkan.+Meskipun+demikian%2C+Magnesium+mempunyai+titik+nyala+rendah+sehingga%0D%0Amudah+terbakar+sehingga+untuk+menurunkan+suhu+pemotongan+Magnesium+pada+proses%0D%0Apermesinan+dapat+menggunakan+cairan+pelumas.+Salah+satu+pelumas+yang+belum+banyak%0D%0Adigunakan+adalah+minyak+kelapa+sawit.+Bertolak+dari+hal+tersebut+maka+perlu+dilakukan%0D%0Akajian+tentang+pengaruh+parameter+permesinan+terhadap+pengaruh+gerak+makan+dan%0D%0Akedalaman+potong+terhadap+nilai+kekasaran+permukaan+pada+pengefraisan+Magnesium+AZ31%0D%0Adengan+menggunakan+pelumas+minyak+kelapa+sawit.+Penelitian+ini+dilakukan+selama+4+bulan%0D%0A(Agustus+sampai+dengan+November+2017)+di+Laboratorium+CNC%2FCAM+SMK+Negeri+2%0D%0ABandar+Lampung+dengan+menggunakan+Mesin+CNC+Miling%2C+Alat+MCL+CEN+YING+Type%0D%0ACEN+01%2C+Surface+roughness+tester%2C+Kamera+Microskop+USB+dan+Pahat+HSS.+Hasil+penelitian%0D%0Amenunjukan+bahwa+(1)+Nilai+kekasaran+maksimum+didapatkan+pada+parameter+kecepatan%0D%0Apotong+(Vc)+40%2C82+m%2Fmenit+dengan+gerak+makan+0%2C15+mm%2Frev+dan+kedalaman+potong+2+mm%0D%0Asebesar+1%2C61%CE%BCm%2C+(2)+Nilai+kekasaran+minimum+didapatkan+pada+parameter+kecepatan+potong%0D%0A(Vc)+40%2C82+m%2Fmenit+dengan+gerak+makan+0.1+mm%2Frev+dan+kedalaman+potong+1+mm+sebesar%0D%0A1%2C05+%CE%BCm%2C+(3)+Semakin+dalam+kedalaman+potong+(mm)+yang+digunakan+maka+nilai+kekasran%0D%0Apermukaan+yang+dihasilkan+akan+semakin+besar%2C+(4)+Pada+gerak+makan+0%2C15+mm%2Frev+dan%0D%0Akedalaman+potong+2+mm+mendapatkan+nilai+kekasaran+yang+paling+besar+dikarenakan%0D%0Aterdapat+void%2C+(5)+Bentuk+geram+yang+dihasilkan+pada+proses+milling+terlihat+melingkar+penuh%0D%0A(full+turn+chips)+hal+tersebut+dipengaruhi+oleh+jenis+benda+kerja+kecepatan+spindel+dan%0D%0Akedalaman+potong.+Untuk+mendapatkan+perubahan+struktur+mikro+dan+batas+butir+dari%0D%0Amaterial+magnesium%2C+secara+jelas+dapat+dilakukan+pengamatan+menggunakan+metode%0D%0AScanning+Electron+Microscope+(SEM).%0D%0AKata+kunci+%3A+Kekasaran+permukaam%2C+pengaruh+gerak+makan+dan+kedalaman+potong%2C+minyak%0D%0Akelapa+sawit%0D%0A%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AIn+the+machining+process%2C+Magnesium+has+very+good+and+beneficial+characteristics.+Even+so%2C%0D%0AMagnesium+has+a+low+flash+point+that+is+easy+to+change+the+cutting+temperature+of%0D%0AMagnesium+in+the+process+makes+it+possible+to+use+lubricant.+One+of+the+lubricants+that+does%0D%0Anot+yet+exist+is+palm+oil.+Starting+from+this%2C+it+is+necessary+to+study+the+parameters+needed+to%0D%0Aintegrate+and+measure+the+right+values+using+palm+oil.+This+research+was+conducted+for+4%0D%0Amonths+(August+to+November+2017)+at+the+CNC+%2F+CAM+Laboratory+of+SMK+Negeri+2+Bandar%0D%0ALampung+by+using+CNC+Miling+Machine%2C+MCL+CEN+YING+Tool+Type+CEN+01%2C+Surface%0D%0ARoughness+Tester%2C+USB+Microscope+Camera+and+HSS+Tool.+The+results+showed+that+(1)+the%0D%0Avalue+of+maximum+roughness+was+obtained+at+the+cutting+speed+(Vc)+parameters+of+40.82+m+%2F%0D%0Amin+with+0.15+mm+%2F+round+feeding+motion+and+2+mm+cutting+depth+of+1.61%CE%BCm%2C+(2)+minimum%0D%0Aroughness+obtained+on+the+cutting+speed+parameter+(Vc)+40.82+m+%2F+min+with+0.1+mm+feeding+%2F%0D%0Arotation+and+1+mm+cutting+depth+of+1.05+%CE%BCm%2C+(3)+the+deeper+depth+of+the+cut+(mm)+is+then+the%0D%0Asurface+thickness+value+will+produced+more+and+more%2C+(4)+On+the+feed+motion+0.15+mm+%2F%0D%0Around+and+the+depth+of+cut+2+mm+the+most+roughness+value+because+there+is+a+vacuum%2C+(5)%0D%0AThe+resulting+snarling+form+in+the+grinding+process+looks+full+circular+(turn+chips+full)+it+by%0D%0Athe+speed+of+the+spindle+object+and+the+depth+of+the+cut.+To+study+the+structure+and+material+of%0D%0Amagnesium+material%2C+it+can+be+observed+using+the+Scanning+Electron+Microscope+(SEM)%0D%0Amethod.%0D%0AKeywords+%3A+Surface+roughness%2C+effect+of+feeding+motion+and+depth+of+cut%2C+palm+oil&rft.publisher=FAKULTAS+TEKNIK&rft.date=2018-08-07&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32840%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32840%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F32840%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++MUCHLIS+MUTAQQIN%2C+1115021053++(2018)+PENGARUH+GERAK+MAKAN+DAN+KEDALAMAN+POTONG+TERHADAP+KEKASARAN+PERMUKAAN+PADA+PENGEFRAISAN+MAGNESIUM+MENGGUNAKAN+MINIMUM+QUANTITY+LUBRICATION+(MQL).++FAKULTAS+TEKNIK%2C++UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F32840%2F