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All Journal Jurnal Sains dan Teknologi Jurnal Dinamis Jurnal Teknosains Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Jurnal Pengabdian UntukMu NegeRI Jurnal Rekayasa Material, Manufaktur & Energi JURNAL PENDIDIKAN TAMBUSAI Community Development Journal: Jurnal Pengabdian Masyarakat BERKAT: Jurnal Pemberdayaan Masyarakat Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) SAINSTEK Proksima Jurnal Polimesin
Muftil Badri
Department Of Mechanical Engineering, Faculty Of Engineering, Universitas Riau, Indonesia
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology 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 Environmental Science Health Professions Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Other

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STUDY PENGARUH PARAMETER PEMOTONGAN TERHADAP GEOMETRI GERAM PADA PEMESINAN LAJU TINGGI, KERAS DAN KERING Berta br Ginting
Jurnal Dinamis Vol 2, No 14 (2014)
Publisher : Jurnal Dinamis

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ABSTRACTIn this research, the material of AISI 4140 at 55 HRC was cut using CBN tool in high speedmachining, hard and dry machinery process. The chips, as the result of the whole condition ofthe cutting are observed morphologically and measured geometrically in the case of thethickness.The method used in this research is incremental experiment done in every segmentperformed in the certain cutting condition. In this case, the varieties of cutting: the speed cutting(V) (m/min), the feed (f) (mm/rev) and the depth of cutting c (mm) are performed.The result shows that the morphology of the chips formed have the geometrical featuresuch as saw-tooth; the higher the cutting speed (V), the thickness of the chip after the cutting(hc) tends to decrease and the distance between the edges of the saw (δ) tends to increase.Meanwhile the feed parameter (f) and the depth of the cutting (a) is in reverse with the speed ofcutting (V) ; the higher the feed (f) and the depth of the cutting (a), the thickness of the chip aftercutting (hc) tends to decrease.Keywords: the cutting parameter, geometrical chip,high- speed machining, hard machining,dry machining.
Desain Dan Manufaktur Hopper Penyalur Pupuk Menggunakan Valve Metering Mechanism Pada Cultivator Untuk Pemupukan Kelapa Sawit Darmansyah Darmansyah; Dodi Sofyan Arief; Muftil Badri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Fertilization plays an important role in increasing the production of palm oil. Fertilization by manually deployed using the hand is considered less effective because the dose of fertilizer is not uniform and improper fertilization methods. The purpose of thisresearch is to design and make the hopper (tank fertilizer distributor) for precise fit required dose and volume of uniform fertilizer for each tree. The case study method is used to getinformation about fertilization technique and dose of fertilizer. The information obtained is used to design and acquire the dimensions, the shape of the hopper is made. Design methodusing descriptive design french. Once the image is finished then print out the pictures do the work that will be done the manufacturing process. From the calculation and testing obtained capacity ofthe reservoir tank is 7.5 liters, volumemetering 1 0:09 L, metering 2 0.17 L, metering 30.26 L with dimensions of 200 mm × 150 mm × 283 mm. From the simulation results obtained structural analysis of the maximum value of the safety factor 15 minimum safety factor of 3.49, while the maximum displacement and displacement 0.04568 minimum 0 results shows that the hopper is safe to use. Hopper performance results have been obtained through the testing process with an average dose of the valve 1 0.07 kg (urea), 0.08 kg (TSP), valve 2 0.12 kg (urea), 0.14 kg (TSP fertilizer), and valve 3 0.17 kg (urea), 0.19 kg (TSP).Keywords: Design, fertilizationtechnology, fertilizationmechanisms, valve metering mechanism. 
Estimasi Kapasitas Dan Titik Berat Pada Pembuatan Kapal Jaring Tradisional Di Galangan Kapal Bagan SiapiApi Kabupaten Rokan Hilir Menggunakan Software Autodesk Inventor 2010 Pindo Evans Manuel Damanik; Yohanes Yohanes; Muftil Badri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Jaring ship building in Bagan Siapiapi Kabupaten Rokan Hilir Riau in general is traditionally. One example that still use the traditional way is how to determine the capacity and center of gravity. In estimating the capacity and gravity in Bagan Siapiapi Kabupaten Rokan Hilir Riau is not accurate so as to anticipate it, Bagan Siapiapi  community change the shape and size of the vessel at the time of testing The purpose of the study to estimate the capacity and center of gravity in Bagan Siapiapi. This research is a study case method that uses a single fishing vessel industry is in Bagan Siapiapi. Jaring’s ships  measured ship's main dimensions, construction Linggi, keel construction, joist construction, foundation construction machinery, building construction on the upper deck, and wood density testing, subsequent construction of ships drawn using Autodesk Inventor 2010 software. Capacity and center of gravity jaring ship calculations using Autodesk Inventor 2010 software. From the data processing capacity of jaring Bagan Siapiapi Chart for 7.093 kg and an emphasis on jaring ship Bagan Siapiapi is at position: (1) unloading condition (0,9  mm; 888,5 mm ;-162,5 mm) the front view with the tilt angle of the ship experienced a shaky  89,24o and  -84o side view (2) maximum load condition  ( 0,7 mm; 976,7 mm;  -600,4 mm) the front view with the tilt angle of the ship experienced a shaky -89,8o and side view 80,03o.Keywords: jaring ship, capacity, center of gravity, construction
Kaji Pembuatan Kanvas Rem Sepeda Motor Bahan Komposit Dengan Filler Palm Slag Frandi Barasa; Muftil Badri; Yohanes Yohanes
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Brake  pads have a very important role to become a major factor in driving safety.  Brake quality depends on the constituent materials. Palm slag is one that has potential as a filler material for composite brake. Manufacture of brake pads in this study using the palm slag as a filler, phenolic resin as a binder, steel powder as reinforcing, graphite as a lubricant, alumina as an abrasive. In the manufacture of brake pads remains composition of materials used to variation the compacting and sintering temperature. This study will examine the wear rate and hardness in the brake pads against the brake commercial reference. Brake pads are made with palm slag initial compacting varied  is 190 Bar and 380 bar and then proceed with the final compacting of 450 bar ± 2 minutes. Brake pads that have been heated to a temperature of 1500C using the heater. Brake  pads  that have been  sintered variations to 1500C and 1700C. Brake pads that have sintered be tested for wear and hardness. Brinell hardness testing to get the highest hardness in the brake B is 15.35 BHN (kgf/mm2) commercial brake approaching violence. In dry conditions the wear testing found the smallest wear is approaching commercial brake brake B is equal to 4777 x 10-6 g/mm2.seconds with a  braking  time of 15.33 seconds and shortest braking distance is 63 meters. Keywords: Brake pads, palm slag, composite, sintering, compaction
Forming Process Product Trunk Profile C+/ Channel Plus On Cold Form Steel Machine Bayu Wiguna; Dodi Sofyan Arief; Muftil Badri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 4, No 2 (2017): Wisuda Oktober Tahun 2017
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Research on the C+/ Channel Plus Product Forming Process on Cold Form Steel, is done because of the mildsteel with the new profile shape of C + (Channal Plus). This project purpose to determine the process of formingprofile C+ by considering the limits and tolerances allowed. Determining the forming process is an attempt madeto produce a Channal plus profile by considering the properties of the material, including the physicalproperties, mechanical properties and the formability of the profile material. An analytical approach is anattempt to avoid defects in products in a particular area from the result of forming. Each forming has a varietyof shapes, dimensions and functions. It takes the forming stages to produce light steel rod products ranging frommild steel raw material (coil) to the desired profile type. The result of the forming process is shown in the formof a flower diagram and is loaded in a 2 dimensional engineering drawing using Autodesk Inventor software.Key words: shape, dimension and function
Studi Karakteristik Kekuatan Tarik Dan Harga Impak Material Polymeric Foam Sandwich Panels Komposit Dengan Variasi Arah Serat Tandan Kosong Sawit, Tekanan Vari, Dan Ketebalan Foam Erik Johannes Sitio; Muftil Badri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 5 (2018): Edisi 1 Januari s/d Juni 2018
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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This study refers to the study of tensile strength and impact properties of polymeric foam sandwich panels composite material with variations in the direction of empty fruit bunch fiber, VARI pressure, and foam thickness. The results of composite specimen analysis in the study were evaluated and compared with each other. From the test result, it was found that the highest tensile strength was the composite specimen with the direction of the verical fiber ie the specimen with the third vertical fiber direction, the pressure vari 6 cmHg, and the thickness of foam 1.5 mm with tensile strength is 22.5041 ????/????????2, the highest impact price is the specimen with vertical fiber direction ie specimen with three vertical panels fiber direction, pressure vari 6 cm Hg, and thickness foam 1,5 mm with impact price 0,1646 ????/????????2. the direction of the verical fiber is 53% higher than the direction of consecutive, vertical, horizontal and vertical combined fibers in absorbing impact loads, also 83% higher than the combined vertical, 45⁰, and horizontal joint directions in absorbing impact load , also has a tensile strength of 10% higher than the direction of vertical, horizontal and vertical combined fibers, also has a tensile strength of 15% higher than the combined vertical, 45⁰, and horizontal combined directions.Keywords : Polymeric Foam, sandwich panels, empty fruit bunch.
Analisis Sifat Mekanik Komposit Serat Sabut Kelapa Sebagai Material Alternatif Pengganti Kayu Untuk Pembuatan Kapal Tradisional Aguswandi Aguswandi; Muftil Badri; Yohanes Yohanes
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Recently, it has been difficult to get the wood as a material to construct the traditional ships. Alternatively, the wood can be substituted by composite materials such as the composite of coco fiber. The coco fiber composites have potential to construct a fishing boat. In this research produced the composite plates and investigation of their value of tensile strength and flexural strength. The composite composition was used 70% polyester and 30% coco fiber. Production of the composite plates used Vacuum Assisted Resin Infusion (VARI) method by variation of the direction of fibers (random, continous and woven). Based on the research result that was produced the composite plates sizes of 400 x 400 x 8 mm and the value of tensile strengths of composite coco fiber for random fiber direction of 12.8572 N/mm2, continuous fiber direction of 15.4436 N/mm2 and woven direction of 12.1797 N/mm2. The value of flexural strengths for random fiber direction was 97.3220 N/mm2, continuous fiber direction of 96.1347 N/mm2 and woven fiber direction of 80.3922 N/mm2. In conclusion, the value of the highest tensile strength and the highest flexural strength were a continuous fiber direction and a random fiber direction, respectively.Keywords: Composites, Coco Fiber, VARI.
Desain Alat Uji Impak Struktur Las Gesek Bar-Plate Menggunakan Bantuan Computer Aided Engineering (CAE) Jery Indra Putra Harianja; Yohanes Yohanes; Muftil Badri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 3, No 2 (2016): Wisuda Oktober Tahun 2016
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Friction Welding is one of the well known press welding methods, where the method is joining two pieces of metal materials. By in this method the heat resulted from the change in mechanical energy into thermal energy in the field of interface the workpiece due to friction during motion plays under pressure/friction. Rotaryfriction welding is made from bar-plate specimens and its products tested by tensile test but not optimal because the weld test objects attached again by adding one bar on the other side, so that acquired way of knowing the characteristics of friction welding the connection using the impact test, so it required the design and manufacture of tools the impact test that aims to get the construction design and the impact tester of friction welding structure of bar-plate. Construction design includes chassis, axle, fixture, and a disc Binder then simulated using ANSYS to view voltage that occurs in the design does exceed the allowed voltage. The component designer is simulated order and the fixture result States that voltage happens during testing does not exceed the allowed limits, it is stated that decent design is created. Impact tester created then tested, and the results stated that no failure occurred on the tools in the form of a broken or cracked, so the impact tester that are worth to be used.Key words: Friction Welding, Bar-plate, Design, Impact Tester, ANSYS
Desain Dan Penentuan Lokasi Pembebanan Pendulum Alat Uji Impak Untuk Pengujian Produk Hasil Las Gesek Rotary Bar-Plate Panji Adino; Yohanes Yohanes; Muftil Badri
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 2, No 2 (2015): Wisuda Oktober Tahun 2015
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Abstract

Fracture that occurred in bar-plate friction welding joint on component, be it with a similar or dissimilar materials, can be reviewed by destructive testing. One of the destructive test on weld joint by friction welding is the impact test. Pendulum of standart Charpy and Izod is not match to use for it. Therefore, in this study was made the design and set up pendulum of impact testing for it, using the finite element method software, by considering dynamic factors that may affect fracture such as, loading angle, loading point on the product bar-plate, the dimensions of pendulum, maximum stess thet occurs, and the mass variation of the pendulum. The Obtain summaries are as follows: (1) Results of the Pendulum tests, it was safe to use, it was qualyfied for pendulum impact testing, and plastic deformation was not occurs on entire pendulum. (2) Based on tests result, loading point (x) at 10mm, affected fracture between bar and plate in HAZ section, while loading point at 40 mm until 15 mm affected fracture on plate, not on the section between bar and plate.Keywords: Bar-plate friction welding, Loading point.
Penyelidikan Kekuatan Tekan Dan Laju Keausan Komposit Dengan Filler Palm Slag Sebagai Bahan Penyusun Kanvas Rem Sepeda Motor Jon Prisno Riduan; Muftil Badri; Yohanes Yohanes
Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains Vol 1, No 2 (2014): Wisuda Oktober Tahun 2014
Publisher : Jurnal Online Mahasiswa (JOM) Bidang Teknik dan Sains

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Palm slag as waste burning of palm shells and bunches for boiler fuel is available in abundance. Availability of abundant is potential to be developed as a filler of brake composite. The using of palm slag as filler composite non-asbestos brake pads have been studied and potential to be used as a substitute for asbestos brake pads motorcycle. The purpose of this study was to determine the effect of variations in the initial compacting pressure and sintering temperature on the compressive strength and the wear rate of the composite. In this study the manufacture of composite brake using materials with a composition of 40% palm slag, 20% steel powder, 20% phenolic resin, 10% alumina, and 10% graphite. Manufacture of composites using powder metallurgy techniques by varying the compaction pressure at 254, 508, and 762 MPa, and sintering temperatures of 150, 160, and 170oC. Increasing compaction pressure and sintering temperature does not always affect the compressive strength and the wear rate of composite brake. Initial compaction pressure affecting the increase in compressive strength is 508 MPa at 150 and 160oC sintering temperature. Initial compaction pressure affecting decrease the wear rate is 254 and 508 MPa at sintering temperatures of 150 and 160oC.Keywords: palm slag, compacting pressure, sintering temperature, compressive strength, wear rate
Co-Authors Abdurrahaman, Ridwan Adhy Prayitno Adhy Prayitno, Adhy Agus Reforiandi Agus Surya Permana Aguswandi Aguswandi Aguswandi, Aguswandi Alexander Sebayang Anita Susilawati Ansukarto, Iswan Arridina Susan Silitonga - Ayunita, Dyna Azridjal Aziz Barasa, Frandi Bayu Wiguna Benar Bustami Syam Chaerunissa, Andini Dalil, M Dalil, M. Dalil, Mohammad Darmansyah Darmansyah Dedy Masnur, Dedy Dodi Sofyan Arief, Dodi Sofyan Efrata Tarigan Eko Jadmiko Erik Johannes Sitio Frandi Barasa Frandi Barasa Ibrahim, Husin Irawan, Agung Dwi Iwan Kurniawan Jayadi Jayadi Jery Indra Putra Harianja Johanes, Erik Sitio Jon Prisno Jon Prisno Riduan Joni Indra Junianto, Fajar Dwi Kamil, Idham Krishna Surya Buana Kurniawan, Anggi Kusuma, Andi Arief Kusuma, Aryandi Liwat Tarigan M A Chozin M. Dalil Mardani Sebayang Michael Simorangkir Muflihana, Afdila Nainggolan, Rufinus Natalina Damanik Okazar, Okazar P.C1, Dedi Rosa Panji Adino Pernando Sihite Pernando Sihite, Pernando Pindo Evans Manuel Damanik Pramija, Syafirman Prisno, Jon Puspito, Wismo Putri Nawangsari Putri Nawangsari, Putri Rahmat, Ridho Zarli Rahmat, Ridho Zarli Rosmaida Tambun Sari, Azzaharah Isyari Nuraini Sihar Siahaan Simaskot, Johar Siregar, Erikson Sitio, Erik Johanes Solih, Aji Mahmud Sopar Parulian Sugiman Sugiman Sukemi Indra Saputra Surya Dharma Sutarto Sutarto Warman Fatra, Warman Yohanes - Yohanes Yohanes Yohanes Yohanes Yohanes Yohanes