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Fentje Abdul Rauf
Universitas Negeri Gorontalo
Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Public Health Social Sciences Other

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ANALISIS PENGARUH DIMENSI KOMPONEN ALAT ANGKAT KENDARAAN NIAGA TERHADAP BIAYA PRODUKSI Yaroso Y. Mirino; Fentje Abdul Rauf; Rudy Poeng
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 1 No. 1 (2012): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Abstract

In machining industry it is essential to know the cost of the product. By knowing the price of the product the profil could be calculated. Hoisting equipment is very helpful in car maintenance or repair, the purpose of this study is to measure working time, analyze the cost of the production of a 2 ton car hoisting equipment manufactured by students of mechanical Engineering University of Sam Ratulangi.   From the results of the analysis, prices lifting equipment sales in the commercial vehicle production Mechanical Engineering student Sam Ratulangi University, is Rp 1,388,371 per unit. This shows that the price obtained is still less than the price of one unit of a triple lift lifting equipment types in the market internet, Rp. 1,745,145 per unit.
ANALISIS LAJU KOROSI PADA BAJA KARBON DENGAN MENGGUNAKAN AIR LAUT DAN H2SO4 Kevin Jones Pattireuw; Fentje Abdul Rauf; Romels Cresano Apelles Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 2 No. 1 (2013): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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In this study, the materials used as reference are carbon steel and the copper alloy. Corrosion process is done by soaking the material in the test environment and H2SO4 solution of sea water that has collected in a glass aquarium in order to circulate properly with the aid of a pump. The length of immersion performed for 1 hour 3 times as much as 3 hours of immersion and immersion for 3 times. The purpose this study is to determine the corrosion that occurs in the material of carbon steel and copper alloys. Weight loss due to corrosion is closely related to time, in other words increasing immersion time, the greater the weight loss that occurs. The rate of corrosion test results conducted with a time of 1 hour, the average value obtained for the specimen I in of carbon steel and copper alloys in seawater solution is 0,105 mils / year and 0 mils / year. While in the sulfuric acid solution is 0,162 mils / year and 0,028 mils / year. And the rate of corrosion test results conducted by 3 hours, the average value obtained for the specimen I in of carbon steel and copper alloys in sea water solution and sulfuric acid is 1,350 mils / year and 0,015 mils / year. While in the sulfuric acid solution is 1,400 mils / year and 1,306 mils / year.
PENGARUH VARIASI UKURAN BUTIRAN FILLER SERBUK GERGAJI BATANG KELAPA TERHADAP SIFAT MEKANIK KOMPOSIT Cliffer Fridolin Poyoh; Fentje Abdul Rauf; Romels Cresano Apelles Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 2 No. 1 (2013): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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Coconut tree (cocos nucifera) is one plant that is widely grown in North Sulawesi many benefits of the overall crop. Since sawdust coconut trunks are not optimally its utilization as a filler for composite materials is studied. In addition to eco-friendly materials are easily obtainable.This study aims to determine the mechanical properties of the composites tested bending (ASTMD 6110) and impact (ASTMD 256-00) with grain variation using mesh 250, 180, and 90 using polyester resin matrix. Optimum impact Is obtained using 250 Mesh 60% volume fraction of resinFrom the data processing Bending test optimum bending moment obtained at 250 mesh resin volume fraction of 70%, and optimum bending stress obtained on 250 mesh 70% volume fraction. For optimum deflection on 250 mesh fraction 70% volume for optimum bending rigidity is at 250 mesh 60% volume fraction. Then it shows the variation of grain size, the volume fraction affects the value of the mechanical strength of the composite.Keywords: Impact, Bending, Composites, volume fraction, Fille
ANALISIS SIFAT MEKANIK DAN DAYA SERAP AIR MATERIAL KOMPOSIT SERAT ROTAN Franklin Donald Izaak; Fentje Abdul Rauf; Romels Cresano Apelles Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 2 No. 2 (2013): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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The aim of this research is to obtain the optimum tensile strenght of rattan fiber composite for different volume fraction of fiber and resin. without treatment, and find result of  fracture at the specimens. Material used in this research is rattan  fiber which have a straight fiber orientation. Different volume fraction without treatment used in this study. The composites was molded with epoxy used as matrix. Tensile test was performed based on ASTM  D638 standard. Maximum tensile test obtained  is 197.505 N / mm at 30% volume fraction of epoxy and 70% fiber, While the optimum water absorption is 2.71 grams of at 90% volume fraction of epoxy and 10% fiber. Keywords : rattan fiber, epoxy, tensile test, water absorption
APLIKASI PERANGKAT LUNAK UNTUK PERENCANAAN PENGELASAN PADA MATERIAL BAJA . Mulyadi; Fentje Abdul Rauf; Rudy Poeng
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 4 No. 1 (2015): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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The development of software in Welding Strength Design have fulfill the demand of quick account and efficiency that could manage and maximize resources. This research aim to get welding strength from several loading systems in steel material using software “Smalltalk” The result of the simulation of welding strength design for butt joint, normal tension 34,286 N/mm2 with seam welding strength Fe 390. For lap joint, normal tension 44,63 N/mm2 with seam welding strength Fe 490. At T joint for ring surface, bending strength 64,646 N/mm2 with  seam welding strength Fe 590. At T joint for square surface, bending strength 79,502 N/mm2 with  seam welding strength Fe 690. Keyword : Smalltalk Software, Welding Strength Design, Welding Joint.
TINJAUAN BERBAGAI KERETAKAN PADA POROS PROPELLER BALING-BALING KAPAL DENGAN MENGGUNAKAN PROSES NON DESTRUCTIVE TESTING Andi Suadi; Fentje Abdul Rauf; Romels C A Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 5 No. 2 (2016): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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The aim of this study is to determine the damage of the propeller shaft using NON-DESTRUCTIVE-TEST method. The examination of the damage is conducted at ship of Anugerah Perdana 09which shaft’s diameter of 100mm and shaft’s length of 2,471mm, and Porodisa Vessel with diameter of 100 mm and length of 2,147 mm, there are two shaft, left and right, as the test object. Based on the examination result on both of the ship shafts, there are two damages. On Anugerah Perdana shaft, there is damage on the bottom side of the right keyway with length of 60 mm, while on Porodisa axis, there is one crack on the right keyway with length of 20 mm. Crack happended because on the shaft is because the ship bumping with reef or over-capacity. Keywords: Inspection, Crack or Defect Using Non-Destructive-Test
PENERAPAN METODE ANALISIS VARIANS KECEPATAN MAKAN TERHADAP PANAS PEMOTONGAN PADA MESIN FREIS KUNZMANN UF6N Fadli Babunga; Fentje Abdul Rauf; Rudy Poeng
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 6 No. 1 (2017): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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The goal of  this research is related to findng the relationship between feeding rate against cutting rising temperature at machining process using analysis of varience.            The result showed that the greater of feeding rate, the higher heat produced in milling proses prom variance analisis at 95% confident level the increase of feeding rate will significant affect cetting temperature both at chips, cotting tools and working materials. Keywords : feeding rate,cetting temperature,maching.
ANALISIS SIFAT MEKANIK ALAT PENGUPAS KELAPA TRADISIONAL DENGAN VARIASI LAJU PENDINGINAN Jailani Aqj; Fentje Abdul Rauf; Romels C A Lumintang
JURNAL POROS TEKNIK MESIN UNSRAT Vol. 6 No. 2 (2017): Jurnal Poros Teknik Mesin Unsrat
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

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This research aim to determine the analyze differences of mechanical properties of coconut peeler material at varying cooling rate. Basic material of coconut peeler in the research is spring steel car.The result of the experiment showed that without cooling treatment, the level is 382,972 N/𝑚𝑚2, for the care of cooling specimen at varying cooling rate, the highest level is 628,986 N/𝑚𝑚2. The largest impact level is about absorb 0,37 J/mm² which absorption energy around obtainable at the lowest cooling rate.Keywords : Coconut Peeler, Mechanical Properties, Conditioning Rate.
Pengukuran Beban Kerja Menggunakan Metode Full Time Equivalent (FTE) Pada Divisi Proses PT. Delta Subur Permai Matiro, Moh. Alyafi Dg.; Mau, Raman S.; Rasyid, Abdul; Rauf, Fentje Abdul
Jambura Industrial Review (JIREV) VOL.1 NO.1, MEI 2021
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (344.563 KB) | DOI: 10.37905/jirev.v1i1.7774

Abstract

Kinerja karyawan merupakan salah satu faktor yang berpengaruh terhadap keberhasilan suatu organisasi maupun perusahaan. Dengan kinerja yang optimal dan sesuai prosedur maka akan diperoleh hasil yang optimal pula. Beban kerja yang terlalu berat atau terlalu ringan akan mengakibatkan terjadinya inefisiensi kerja. Beban kerja overload mengindikasikan bahwa jumlah pekerja yang dipekerjakan tidak sesuai dengan beban kerja yang diterima sehingga dapat menyebabkan kelelahan fisik maupun psikologis yang berakibat pada menurunnya produktivitas karena kelelahan bekerja. Tujuan penelitian ini adalah penentuan beban kerja menggunakan metode Full Time Equivalent (FTE) untuk dapat mengatasi penurunan produktivitas kerja. Untuk mendapatkan nilai FTE dari suatu proses kerja harus menggunakan perhitungan Work load Analisys dengan menggunakan persamaan total waktu aktivitas, Allowance, dan total waktu tersedia. Dari hasil penelitian ini di dapatkan hasil Work Load Analysis dalam menentukan beban kerja dan usulan jumlah karyawan yang ideal yakni ramp operator144% (usulan 2 orang), Operator Sterilizer 65% (usulan 1 orang), tippler operator 84% (usulan 1 orang) pressing operator 44% (usulan 1 orang), Clarification operator 86% (usulan 1 orang) dan karnel operator 69% (usulan 1 orang).
PENGEMBANGAN MEDIA PEMBELAJARAN ALAT PERAGA CONTINOUSLY VARIABLE TRANSMISSION (CVT) SEPEDA MOTOR PADA MATA KULIAH TEKNOLOGI SEPEDA MOTOR Gusti Made Surya Adi Candra; Hendra Uloli; Fentje Abdul Rauf
Jambura Journal of Engineering Education Vol.1 No.1 Desember 2022 : Jambura Journal of Engineering Education
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/jjee.v1i1.14807

Abstract

I Gusti Made Surya Adi Candra 2022. Pengembangan Media Pembelajaran Alat Peraga Continously Variable Transmission (CVT) Sepeda Motor Pada Mata Kuliah Teknologi Sepeda Motor. Skripsi Program Studi Pendidikan Teknik Mesin, Fakultas Teknik, Universitas Negeri Gorontalo. Pembimbing I Hendra Uloli, ST.,MT. Pembimbing II Ir. Fentje Abdul Rauf, MT.Mengembangkan Alat Peraga Continously Variable Transmission (CVT) Sepeda Motor Pada Mata Kuliah Teknologi Sepeda Motor, Penelitian dan pengembangan  media alat peraga ini tidak menerapkan semua langkah-langkah penelitian R D dari  Borg and Gall, dalam penelitian ini hanya menerapkan beberapa langkah  mengingat  tujuan peneliti  sampai  di pengembangan  produk dan memvalidkan produk.  Pengembangan  Alat Peraga Continously Variable Transmission (CVT) Sepeda Motor sebagai media pembelajaran pada Mata Kuliah Teknologi Sepeda Motor ini sangat layak digunakan, dengan nilai persentase dari validator ahli media sebesar 98,67% dan nilai persentase dari validator ahli materi sebesar 90,67% artinya materi Alat Peraga Continously Variable Transmission (CVT) Sepeda Motor sangat layak digunakan dalam proses pembelajaran. Kata Kunci: Alat Peraga, Transmisi Otomatis/ CVT Sepeda Motor
Co-Authors . Mulyadi . Mulyadi Abdul Rasyid Abdul Rasyid Abdul Rasyid Abdul Rasyid Aizza Kirana kirana Andi Suadi Andi Suadi, Andi Aqj, Jailani Arafat, Muhammad Yasser Arwanto M. A. Lakat Babunga, Fadli Buyung R. Machmoed Cliffer Fridolin Poyoh Fadli Babunga Franklin Donald Izaak Frans P. Sappu Gusti Made Surya Adi Candra H Hasanuddin Hasanuddin Hasanuddin Hendra Uloli Ibnu Sanjaya Idham Halid Lahay Ikhsan Hidayat Irwan Wunarlan Jailani Aqj Jamal Darusalam Giu Kevin Jones Pattireuw Lakat, Arwanto M. A. Lumintang, Romels Matiro, Moh. Alyafi Dg. Mau, Raman S. Romels C A Lumintang Romels Cresano Apelles Lumintang Romels Lumintang Rudy Poeng Sappu, Frans P. Stella Junus Trifandi Lasalewo Yaroso Y. Mirino Yolanda Lapai Zainudin Bonok