?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PEMANTAUAN+KEAUSAN+PAHAT+POTONG+BERDASARKAN%0D%0APENGUKURAN+SINYAL+ARUS+MOTOR+PADA+PROSES+PEMESINAN%0D%0ABUBUT+KONVENSIONAL&rft.creator=SISWANTO%2C++1115021069&rft.subject=Teknik+mesin+dan+mesin&rft.description=Penelitian+ini+bertujuan+untuk+memperoleh+suatu+metode+baru+yang+dapat%0D%0Adiaplikasikan+untuk+memantau%2C+mendeteksi+dan+memprediksi+keausan+pahat%0D%0Asecara+dini+sehingga+kontrol+kualitas+dari+produk+dapat+tetap+terjaga+dan+proses%0D%0Apemesinan+menjadi+optimal.+Penelitian+ini+dilatarbelakangi+oleh+keadaan+dimana%0D%0Aterjadi+keausan+pahat+akibat+gesekan+dan+masih+konvensionalnya+metode%0D%0Apemantauan+yang+digunakan+untuk+memprediksi+keausan+pahat+saat+proses%0D%0Apemesinan+berlangsung.%0D%0APenelitian+ini+merupakan+penelitian+dengan+menggunakan+metode+eksperimen%0D%0Auntuk+mendapatkan+data+hasil+penelitian.+Penelitian+dilakukan+terhadap+mesin%0D%0Abubut+konvensional+dengan+mengukur+arus+listrik+(I)+dan+keausan+pahat+(Vb).%0D%0AParameter+pemesinan+yang+digunakan+adalah+kecepatan+potong+(Vc)%2C+gerak+makan%0D%0A(f)+dan+kedalaman+potong+(a)+yang+divariasikan.+Analisis+data+yang+digunakan%0D%0Aadalah+analisis+kuantitatif+dengan+menggunakan+analisis+korelasi+dan+analisis%0D%0Aregresi+linear+berganda.%0D%0AHasil+penelitian+yang+didapat+adalah+tersusun+suatu+model+matematik+yang+dapat%0D%0Adipakai+untuk+memprediksi+keausan+pahat+dan+memperoleh+nilai+koefisien%0D%0Akorelasi+yang+dapat+dipakai+untuk+menjelaskan+keeratan+hubungan+antara+arus%0D%0Alistrik+dan+keausan+pahat.+Dari+hasil+analisis+menggunakan+analisis+korelasi%0D%0Adidapatkan+nilai+koefisien+korelasi+sebesar+0.722+yang+berarti+bahwa+terjadi%0D%0Ahubungan+yang+kuat+antara+arus+listrik+dengan+keausan+pahat+yang+menandakan%0D%0Abahwa+arus+listrik+dapat+dilakukan+untuk+pemantauan+keausan+pahat.+Dan+dari%0D%0Ahasil+analisis+dengan+menggunakan+analisis+regresi+linear+berganda+didapat+2%0D%0Amodel+matematik.+Model+yang+pertama+yaitu+I+%3D+3.181+%2B+0.007Vc+%2B+1.161f+%2B%0D%0A0.436e1%2C+model+ini+digunakan+untuk+memprediksi+nilai+arus+listrik+terhadap%0D%0Aparameter+pemesinan.+Model+yang+kedua+yaitu+Vb+%3D+-1.042+%2B+0.333I+%2B+0.466e2%2C%0D%0Amodel+ini+digunakan+untuk+memediasi+persamaan+model+I+terhadap+keausan+pahat.%0D%0AKata+Kunci%3A+Pemantauan%2C+Arus+Listrik%2C+Keausan+Pahat%2C+Model+Matematik%0D%0A%0D%0AABSTRACT%0D%0A%0D%0AThe+objective+of+this+research+is+to+obtain+the+new+methodology+that+can+be%0D%0Aapplied+to+monitor%2C+detect+and+predict+the+wear+rate+of+cutting+tool+in+a+real+time%0D%0Amode+in+order+to+control+the+quality+of+product+and+optimize+the+machining%0D%0Aprocess.+The+background+of+this+research+was+based+on+the+situation+where+the%0D%0Awear+of+cutting+tool+are+mostly+caused+by+the+friction+and+the+methodology+to%0D%0Apredict+the+tool+wear+are+still+conventionally+applied+during+machining+process.%0D%0AThis+research+used+the+experimental+methodology+to+obtain+the+data.+Experiments%0D%0Ahave+been+performed+on+a+conventional+lathe+by+measuring+the+current+(I)+and+the%0D%0Atool+wear+(Vb).+The+machining+parameters+are+over+a+range+of+different+cutting%0D%0Aspeed+(Vc)%2C+feeding+(f)+and+the+depth+of+cut+(a).+Data+analysis+was+based+on%0D%0Aquantitative+analysis+by+using+correlation+and+multiple+linear+regression+analysis.%0D%0AThe+result+of+the+research+is+a+mathematical+model+that+can+be+used+to+predict+the%0D%0Atool+wear+and+to+obtain+correlation+coefficient+value+which+can+be+used+to+explain%0D%0Athe+closeness+of+the+relationship+between+electric+current+and+the+wear+of+cutting%0D%0Atool.+Tests+were+analyzed+using+correlation+analysis+obtained+correlation%0D%0Acoefficient+value+of+0.722+which+means+that+there+is+a+strong+relationship+between%0D%0Aelectric+current+with+the+wear+rate+of+cutting+tool%2C+that+indicate+the+electric+current%0D%0Acan+be+used+for+monitoring+the+wear+of+cutting+tool%2C+that+indicate+the+electric%0D%0Acurrent+can+be+used+for+monitoring+the+wear+of+cutting+tools.+And+from+the+tests%0D%0Awere+analyzed+using+multiple+linear+regression+analysis+obtained+two%0D%0Amathematical+models.+First+model+is+I+%3D+3.181+%2B+0.007Vc+%2B+1.161f+%2B+0.436e1.+This%0D%0Amodel+is+used+to+predict+the+value+of+electric+current+to+the+machining+parameters.%0D%0AThe+second+model+is+Vc+%3D+-1.042+%2B+0.333I+%2B+0.466e2%2C+this+model+is+used+to%0D%0Amediate+the+first+equation+model+to+the+wear+of+cutting+tool.%0D%0AKeywords%3A+Monitoring%2C+Electric+Current%2C+Tool+Wear%2C+Mathematical+Model&rft.publisher=FAKULTAS+TEKNIK&rft.date=2018-03-26&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31012%2F1%2FABSTRAK%2520%2528ABSTRACT%2529.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31012%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F31012%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++SISWANTO%2C+1115021069++(2018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