?url_ver=Z39.88-2004&rft_id=1415021005&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=PENGARUH+GEOMETRI+PAHAT+HIGH+SPEED+STEEL+TERHADAP+KEAUSAN+TEPI+PAHAT+PADA+PEMOTONGAN+MATERIAL+BAJA+KARBON+RENDAH+(St+37)+MENGGUNAKAN+MESIN+BUBUT%0D%0AKONVENSIONAL&rft.creator=AHMAD+AZHARI%2C+1415021005&rft.subject=620+Ilmu+teknik+dan+ilmu+yang+berkaitan&rft.description=Proses+pemotongan+baja+karbon+rendah+pada+umumnya+sering+menggunakan%0D%0Apahat+High+Speed+Steel+(HSS)+karena+kekerasan+yang+cukup+tinggi%2C+harga+lebih%0D%0Amurah%2C+geometri+mudah+dibentuk.+Pada+proses+pemotongan+terdapat+banyak+faktor%0D%0Ayang+mempengaruhi+produktifitas+dan+kualitas+seperti+geometri+pahat%2C+kondisi%0D%0Apemesinan%2C+material+benda+kerja%2C+material+pahat%2C+dan+lain-lain.+Indikator%0D%0Aproduktifitas+dan+kualitas+pada+proses+pemesinan+yaitu+umur+pahat+dan+kekasaran%0D%0Apermukaan+produk.+Penelitian+pengaruh+variasi+geometri+pahat+terhadap+keausan%0D%0Asudah+pernah+dilakukan+tetapi+belum+meneliti+pengaruh+nose+radius.+Tujuan%0D%0Apenelitian+ini+untuk+mengetahui+nilai+umur+pahat%2C+pengaruh+geometri+pahat+serta%0D%0Amenentukan+geometri+dan+parameter+yang+optimum+terhadap+keausan+tepi+pada%0D%0Aproses+pemotongan+material+St+37.+Penelitian+ini+menggunakan+metode+ekperimental+dengan+melakukan%0D%0Apemotongan+material+St+37+menggunakan+pahat+High+Speed+Steel.+Variasi%0D%0Ageometri+pahat+dan+parameter+pemesinan+yaitu+side+rake+angle%3A+12%CB%9A%2C15%CB%9A%2C18%CB%9A%3B+side%0D%0Acutting+edge+angle%3A+85%CB%9A%2C80%CB%9A%2C75%CB%9A%3B+nose+radius%3A+0+mm%2C+0%2C4+mm%2C+0%2C8+mm%3B+kecepatan%0D%0Apotong%3A+17%2C42+m%2Fmin%2C+40+m%2Fmin%2C+58%2C8+m%2Fmin%3B+kedalaman+potong%3A+1+mm+dan+2%0D%0Amm%3B+feeding%3A+0%2C05+mm%2Frev%2C+0%2C075+mm%2Frev%2C+0%2C1+mm%2Frev.+Untuk+menganalisis%0D%0Aadanya+pengaruh+geometri+pahat+dan+parameter+pemesinan+dengan+menggunakan%0D%0Aanalisis+Taguchi+dan+Anova.%0D%0AHasil+eksperimen+yang+didapatkan+yaitu+umur+pahat+yang+terpanjang+42%2C28%0D%0Amenit+dan+terpendek+0%2C8+menit.+Hasil+dari+analisis+Taguchi+dan+Anova+yaitu+faktor%0D%0Ayang+berpengaruh+signifikan+adalah+kedalaman+potong+(a)+dengan+kontribusi%0D%0Asebesar+27%2C65%25%2C+kecepatan+potong+(Vc)+dengan+kontribusi+sebesar+24%2C91%25%2C+dan%0D%0Aside+rake+angle+dengan+kontribusi+sebesar+19%2C35%25.+Kemudian+hasil+umur+pahat%0D%0Ayang+optimum+yaitu+42%2C01+menit+pada+kedalaman+potong+(a)%3A+1+mm%2C+kecepatan%0D%0Apotong+(Vc)%3A+17%2C42+m%2Fmin%2C+feeding+(f)%3A+0%2C075+mm%2Frev%2C+nose+radius+(R)%3A+0%2C4+mm%2C%0D%0Aside+rake+angle+(%CE%B3)%3A+18%CB%9A%2C+dan+side+cutting+edge+angle+(Kr)%3A+75%CB%9A.+Kata+kunci%3A+St+37%2C+Pahat+High+Speed+Steel%2C+Geometri+pahat%2C+Keausan+tepi%0D%0A%0D%0A%0D%0AThe+process+of+cutting+low+carbon+steel+in+general+often+uses+tool+High+Speed%0D%0ASteel+(HSS)+due+to+high+hardness%2C+cheaper+prices%2C+easily+formed+geometry.+In+the%0D%0Acutting+process+there+are+many+factors+that+affect+productivity+and+quality+such+as%0D%0Atool+geometry%2C+machining+conditions%2C+workpiece+material%2C+tool+material%2C+and%0D%0Aothers.+Productivity+and+quality+indicators+on+machining+processes+namely+tool%0D%0Alife+and+product+surface+roughness.+Research+on+the+effect+of+tool+geometry%0D%0Avariations+on+wear+has+been+carried+out+but+has+not+examined+the+effect+of+the+nose%0D%0Aradius.+The+purpose+of+this+study+was+to+determine+the+tool+life+value%2C+the%0D%0Ainfluence+of+tool+geometry+and+determine+the+geometry+and+optimum+parameters%0D%0Afor+flank+wear+in+the+St+37+material+cutting+process%0D%0A.+This+study+used+an+experimental+method+by+cutting+St+37+material+using+a%0D%0Atool+High+Speed+Steel.+Variation+of+tool+geometry+and+machining+parameters%2C%0D%0Anamely+side+rake+angle+of+12%CB%9A%2C+15%CB%9A%2C+18%CB%9A%3B+side+cutting+edge+angle+of+85%CB%9A%2C+80%CB%9A%2C+75%CB%9A%3B%0D%0Anose+radius+of+0+mm%2C+0.4+mm%2C+0.8+mm%3B+cutting+speed+of+17.42+m%2Fmin%2C+40+m%2Fmin%2C%0D%0A58.8+m%2Fmin%3B+depth+of+cut+of+%3A+1+mm+and+2+mm%3B+feeding+of+0.05+mm%2Frev%2C+0.075%0D%0Amm%2Frev%2C+0.1+mm%2Frev.+To+analyze+the+influence+of+tool+geometry+and+machining%0D%0Aparameters+using+Taguchi+and+Anova+analysis.%0D%0AThe+experimental+results+obtained+were+the+longest+tool+life+of+42.28%0D%0Aminutes+and+the+shortest+was+0.8+minutes.+The+results+of+the+Taguchi+and+Anova%0D%0Aanalysis+are+factors+that+have+a+significant+effect+on+the+depth+of+cut+(a)+with%0D%0Acontributions+of+27.65%25%2C+cutting+speed+(Vc)+with+contributions+of+24.91%25%2C+and%0D%0Aside+rake+angle+with+contributions+of+19.35%25.+Then+the+optimum+tool+life+result%0D%0Awas+42.01+minutes+at+depth+of+cut+(a)+of+1+mm%2C+cutting+speed+(Vc)+of+17.42+m%2Fmin%2C%0D%0Afeeding+(f)+of+0.075+mm%2Frev%2C+nose+radius+(R)+of+0.4+mm%2C+side+rake+angle+(%CE%B3)+of+18%CB%9A%2C%0D%0Aand+side+cutting+edge+angle+(Kr)+of+75%CB%9A.%0D%0AKeywords%3A+St+37%2C+Tool+High+Speed+Steel%2C+Tool+geometry%2C+Flank+wear%0D%0A&rft.publisher=FAKULTAS+TEKNIK&rft.date=2019-04-05&rft.type=Skripsi&rft.type=NonPeerReviewed&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56951%2F1%2FABSTRAK.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56951%2F2%2FSKRIPSI%2520FULL.pdf&rft.format=text&rft.identifier=http%3A%2F%2Fdigilib.unila.ac.id%2F56951%2F3%2FSKRIPSI%2520TANPA%2520BAB%2520PEMBAHASAN.pdf&rft.identifier=++AHMAD+AZHARI%2C+1415021005++(2019)+PENGARUH+GEOMETRI+PAHAT+HIGH+SPEED+STEEL+TERHADAP+KEAUSAN+TEPI+PAHAT+PADA+PEMOTONGAN+MATERIAL+BAJA+KARBON+RENDAH+(St+37)+MENGGUNAKAN+MESIN+BUBUT+KONVENSIONAL.++FAKULTAS+TEKNIK%2C+UNIVERSITAS+LAMPUNG.+++++&rft.relation=http%3A%2F%2Fdigilib.unila.ac.id%2F56951%2F