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All Journal Jurnal Energi Dan Manufaktur Jurnal Simetris Jurnal Teknosains Rekayasa Mesin ROTOR: JURNAL ILMIAH TEKNIK MESIN Jurnal Rekayasa Mesin Journal of Mechanical Engineering Science and Technology Turbo : Jurnal Program Studi Teknik Mesin Journal of Energy, Mechanical, Material and Manufacturing Engineering STATOR: Jurnal Ilmiah Mahasiswa Teknik Mesin Jurnal Elemen Agroteknika J-Proteksion: Jurnal Kajian Ilmiah dan Teknologi Teknik Mesin Prosiding Seminar Nasional Rekayasa Teknologi Industri dan Informasi ReTII

Santoso Mulyadi

Teknik Mesin Fakultas Teknik Universitas Jember

Author-ID : 488588

Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Transportation

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Measuring Feed Force in Machining Using a Strain Gage Salman Al Farisi Siregar; Agus Triono; Mahros Darsin; Santoso Mulyadi
JEMMME (Journal of Energy, Mechanical, Material, and Manufacturing Engineering) Vol. 6 No. 1 (2021)
Publisher : University of Muhammadiyah Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22219/jemmme.v6i1.11928

Measuring the forces that work during machining has been being concerned by researchers for years. There are three main forces that work in turning: thrust force, axial force, and radial force. Thus, feeding force measurement is needed in machine manufacturing. This research attempts to develop measurement method through feeding force, using strain gauge sensor. The aim of measurement of feeding force in this research is to find out the influence parameter of machine towards feeding force. The research used experimental method with design experiment Taguchi to know the influence of machine parameters to feeding force in turning process. The measurement tool is strain gauge sensor connected to cutting tool. The workspace is alluminium 6061 with 15 mm in diameter and 150 mm in length. The parameters for this research are speed rate (140 rpm, 215 rpm, and 330 rpm), feed rate (0,043 mm/r , 0,065 mm/r , and 0,081 mm/r), and depth of cut (0,2 mm, 0,4 mm, and 0,6 mm). The result showed that speed rate is the most significant parameter, with the contribution percentage is 92 %. Speed rate and feed rate parameter have insignificant influence. The contribution percentage of speed rate is 2% while the feed rate has % contribution percentage. The conclusion of the research is that the bigger number of speed rate, the bigger feeding force it will have.

Penerapan Lean Manufacturing dengan Metode VSM dan FMEA untuk Mereduksi Pemborosan Produksi Sarden Haris Dwi Armyanto; Dwi Djumhariyanto; Santoso Mulyadi
Jurnal Energi Dan Manufaktur Vol 13 No 1 (2020)
Publisher : Department of Mechanical Engineering, University of Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/JEM.2020.v13.i01.p07

CV.X merupakan salah satu perusahaan pengolahan sarden yang terletak di Banyuwangi. Pada proses produksi di perusahaan masih ditemukan beberapa pemborosan (waste). Untuk mengurangi pemborosan yang terjadi digunakan pendekatan lean manufacturing dengan metode Value Stream Mapping (VSM) untuk pemetaan aliran produksi dan aliran informasi terhadap proses produksi dari awal bahan baku hingga produk jadi dan dikirim ke konsumen, serta analisis dengan metode Failure Mode and Effects Analysis (FMEA) untuk mengetahui penyebab kegagalan proses yang paling prioritas dan perlu dilakukan perbaikan dengan segera. Identifikasi pemborosan diawali dengan penggambaran current state map, lalu dilakukan analisis pemborosan ke dalam kategori 7 pemborosan [1]. Pada analsis tersebut ditemukan 3 jenis pemborosan yaitu waiting time, unnecessary inventory dan defect (kembung). Setelah itu dilakukan analisis akar penyebab timbulnya pemborosan menggunakan fishbone diagram, dan analis FMEA untuk mengetahui nilai RPN tertinggi yang selanjutnya akan menjadi prioritas pemberian usulan perbaikan yang tepat dan sesuai dengan masalah dan kondisi proses produksi sarden 125g di CV.X. Rekomendasi perbaikan yang diberikan terhadap pemborosan dengan nilai RPN tertinggi antara lain Menambahkan mesin pencuci produk untuk mengurangi penumpukan produk dan waktu tunggu yang ada sehingga pemborosan waiting time dan unnecessary inventory dapat berkurang, mengganti sarung tangan kain dengan lateks, serta menjaga kebersihan nampan ikan. CV.X is a sardine processing company located in Banyuwangi. In the company production process there are some wastes. To reduce the waste that occurs, lean manufacturing approach using Value Stream Mapping (VSM) method is used to map the production flow and information flow to the production process from the beginning of the raw material to the finished product and sent to consumers, as well as analysis using the Failure Mode and Effects Analysis (FMEA) method. ) to find out what causes the most priority process failures and needs immediate improvement. Waste identification is preceded by a depiction of the current state map, then waste analysis is conducted into category 7 waste. In this analysis, there are 3 types of waste, which are waiting time, unnecessary inventory and defects. After that an analysis of the root causes of waste occurs using fishbone diagrams, and FMEA analysts to find out the highest RPN value which will then be prioritized for giving recommendations for an appropriate improvement and in accordance with the problems and conditions of the 125g sardine production process in CV.X. Improvement recommendations given for waste with the highest RPN value include adding a product washer to reduce product buildup and waiting times so that waiting time and unnecessary inventory waste can be reduced, replacing cloth gloves with latex, and keeping the fish tray clean.

OPTIMASI VARIASI DIAMETER NOZZLE, TEKANAN UDARA, DAN SUHU PENGERINGAN PADA PELAPISAN BAJA St37 MENGGUNAKAN METODE RESPONSE SURFACE Tri Surya Hutama; Mahros Darsin; Santoso Mulyadi
Simetris: Jurnal Teknik Mesin, Elektro dan Ilmu Komputer Vol 10, No 2 (2019): JURNAL SIMETRIS VOLUME 10 NO 2 TAHUN 2019
Publisher : Universitas Muria Kudus

Pengecatan adalah proses pelapisan yang diterapkan pada permukaan suatu benda. Tujuan dari pengecatan ada dua, yaitu protektif dan dekoratif. Dari segi protektif cat dapat dinilai dari ketebalan dan jika dari dekoratif cat dapat dilihat dari segi kekilapan. Tujuan dari penelitian ini adalah untuk mengetahui pengaruh dari kombinasi parameter yang dapat menghasilkan ketebalan yang maksimum. Desain eksperimen yang digunakan adalah Response Surface Method (Box-Behnken design), 15 eksperimen dengan masing-masing 3 kali pengulangan. Kombinasi parameter dan level yang digunakan yaitu diameter nozzle (1.2mm, 1.3mm, dan 1.4mm), tekanan udara (2bar, 3bar, dan 4bar), dan suhu pengeringan (65oC, 70oC, 75oC). Metode pengecatan menggunakan spray painting dengan 3 kali pelapisan dengan jarak 15cm. Setelah melalui proses pengeringan spesimen diuji menggunakan alat ukur thickness gauge yang memiliki sepsifikasi rentang pengukuran 0-1250µm/0-50mil dengan akurasi±2.5µm. Data hasil pengukuran ketebalan diolah menggunakan software Minitab 18 dan didapatkan persamaan order kedua hubungan antara ketebalan dan parameter pengecatan dinyatakan sebagai Ŷk =105.61 – 2.522 X1 - 7,616 X2- 7,744 X3- 2,9 X12- 1,82 X22- 3,91 X32 + 1,94 X1 X2 + 1,64 X1 X3 - 3,66 X2X3; dengan X1, X2 dan X3 merujuk ke parameter diameter nozzle, tekanan penyemprotan dan suhu pengeringan. Faktor yang berpengaruh dari ketiga variasi adalah suhu pengeringan dengan nilai koefisiensquare sebesar 3.91, p-value β1(0.000) dan p-value β2 (0.018). Dari penggunaan Response Surface Method (Box-Behnken design) didapatkan hasil ketebalan yang maksimum yaitu 112,472μm dengan kombinasi parameter diameter nozzle 1,25mm, tekanan 2bar dan suhu pengeringan 67,32 ℃.

Analisis pengaruh tebal plat terhadap karakteristik mekanik pegas daun pada prototipe mobil fish car unej (fcu) mudskip Khoirur Rohman; Rika Dwi Hidayatul Qoryah; Aris Zainul Muttaqin; Santoso Mulyadi
Jurnal Teknosains Vol 10, No 2 (2021): June
Publisher : Universitas Gadjah Mada

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/teknosains.62656

Fish Car Unej (FCU) Mudskip is a car designed with a rural terrain system, especially for fishing transportation. FCU Mudskip uses leaf spring suspension at the rear to support the weight of the vehicle, that is leaning towards the rear. The load of the vehicle is inclined to the rear due to the car carrying system in the form of fish and water. This conveying system can cause leaf spring failure. Therefore, this study aims to determine the value of stress, strain and cycle on leaf springs. Ansys 18.1 software was used to obtain stress, strain, and leaf spring cycle values with a thickness of 7 mm, 10 mm, and 13 mm. The value of stress on leaf springs with thickness 7 is 124,31 x 106 N/m2; thickness 10 mm is 74,92 x 106 N/m2; thickness 13 mm is 48,08 x 106N/m2; the value of strain on leaf springs with a thickness of 7 mm is 0,00075; a thickness of 10 mm is 0,00045; a thickness of 13 mm is 0,00029; Acceptable cycles of leaf springs are 7 mm thick is 69206 cycles, 10 mm is 77833 cycles, and 13 mm thick is 93054 cycles. Leaf springs with a thickness of 13 mm are the most optimal leaf springs because they can receive the most cycles of 93054 cycles, according to the function of leaf springs as vibration dampers.

PENINGKATAN KUALITAS PRODUK UKM KURSI LIPAT DENGAN METODE INTERNAL PRESSURE DAN RANCANG BANGUN MESIN BENDING KONVENSIONAL Yuni Hermawan; Santoso Mulyadi
ROTOR Vol 6 No 2 (2013)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (164.667 KB)

Product with quality obtained from existence of good forming process. Ovality one of deviation which is because of process bending. Process bending donewithout and internal pressure. Internal pressure used: 100, 200, 250 and 300 bar. Equipments used in course of bending consisted of the hydraulic pump, pressure gauge, regulator / valve, T Fitting, Oli SAE 40 and Nivle Pipe ( NPT).For that require to be a research to analyse the hydraulic pressure influence to ovality process of bending of pipe of circular of raw material camp chair. Research done to designed experiment with the diameter tube 16, 19.05 and 25.4 mm. Its result hydraulic pressure yielding ovality minimum is for the D of tube 16 mm equal to 300 bar while for the D of tube 19.05 and 25.4 equal to 250 bar. Keywords: bending process, ovality and hydraulic pressure.

ANALISA TEGANGAN-REGANGAN PRODUK TONGKAT LANSIA DENGAN MENGGUNAKAN METODE ELEMEN HINGGA Santoso Mulyadi
ROTOR Vol 4 No 1 (2011)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (334.662 KB)

In any design done must consider the strength of the staff. The strength that must be considered regarding the dimensions, materials, and stick structure. In the previous elderly rod product design, structural analysis found that by just using the help of software, so that the power structure of the stick product has not yet been fully elderly a top priority. This is because the previous data was found that the maximum load that can be received by elderly stick it is 45 N. It appears that the greatest stress occurs is still under the stress of the material itself permits. The voltage that occurs on the order of 6.47e +006 N/m2 located on the handle of the stick while the minimum stress acting on the order of 1.29e-008 N/m2 pipe located at the upper stalk. So the calculation needs to be done manually to review the results of previous calculations, in order to improve and enhance the strength of the product stick elderly. Finite element method is a numerical method used to solve technical problems and a symptom phisis metematis of which include stress, strain, strength, and vibration analysis. This finite element method to compare between the calculations using CATIA software and using the calculations manually. In this case the finite element method to be used is a 2D finite element method (field) is a triangular element with 3 nodes. Using Finite Element Method, the biggest stress on the element 5 with a large voltage of σx = 2.505 x 104, and the biggest strain on the element 3 with a large strain εx = 0.272. And failure obtained Theory states: Maximum Normal-Stress Theory declared safe. Because it is still within safe limits. Maximum Shear-Stress Theory declared unsafe. Keywords: stick, stress, strain and finite element

PENGARUH TEMPERATUR DAN WAKTU PEMANASAN PADA PROSES PIROLISIS PET/PP TERHADAP KARAKTERISTIK BAHAN BAKAR Yusca Alvantio Permana; Santoso Mulyadi; Hari Sutjahjono; Ahmad Adib Rosyadi
ROTOR Vol 12 No 2 (2019)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Masalahan penumpukan sampah merupakan hal yang krusial, Bahkan sampah dapat dikatakan sebagai masalah kultural karena dampaknya terkena pada berbagai sisi kehidupan, terutama seperti kota-kota besar. Metode pengolahan sampah plastik yang telah banyak dikembangkan saat ini adalah dengan metode pirolisis, dimana penelitian ini bertujuan untuk menguranggi penumpukan sampah plastik dengan mengubah nya menjadi bahan bakar dengan cara memanaskan sampah plastik di dalam ruangan yang terbatas oksigen atau reaktor, kemudian uap dari hasil pemanasan dari reaktor akan mengalir melalui pipa pendingin kemudian uap yang telah melalui pipa pendingin tersebut dapat menjadi minyak bahan bakar yang memiliki karakteristik di bawah bahan bakar jenis premium.

SIFAT MEKANIK DAN STRUKTUR MIKRO SAMBUNGAN LAS ALUMINIUM 6061 HASIL FRICTION WELDING Hendry Wicaksana; Santoso Mulyadi; Ahmad Syuhri
ROTOR Vol 9 No 1 (2016)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (342.235 KB)

The study of the interface mechanical strength of metal alloy friction welded is essential for increasing of the quality of bonding between two materials. In the present study the material is 6061 aluminium alloy and the variation are friction time and chamfer angle. The purpose is to increase the mechanical strength of aluminium 6061 friction welded by combining friction time parameter and chamfer angle. The friction time variations were 60 and 120 second. Whereas the chamfer angles were 0o, 30o, 60o. The joined aluminium then tensile tested, hardness tested and also observed under microscope. The result of mechanical test shows that the variation 30o/120 second give the best result wich the Ultimate Tensile Strength as value as 15.86 N/mm2 and the brinell hardness as value as 92 BHN on Zud areas, 99 BHN on Zpd areas and 91 BHN on Zpl areas. Microstructure observation shows that there were porosity and crack on some testing spesimen.

PENGARUH VARIASI WARNA PLAT KOLEKTOR SURYA TERHADAP KINERJA PEMANAS AIR TENAGA SURYA Harizalni SE; Aris Zainul Muttaqin; Santoso Mulyadi
ROTOR Vol 7 No 1 (2014)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (201.914 KB)

Solar water heater is a device that heats water using solar collectors as a heat absorber of solar radiation that is transmitted to the pipe containing water . In this research, comparative performance testing of solar water heating to solar collector plate color variations . Variations of color used is black ( black ) no. ( 39 ) with the brand of quick drying formula zuper spray acrylic spray paint , red ( red signal ) no. ( 23 ) with rj LONDON acrylic paint brand epoxy spray paint , and blue ( blue fluorescent ) no. ( 1004) with rj LONDON acrylic paint brand spray paint epoxy Data collection was performed by taking data every 30 minutes for 3 hours are 9:00 to 12:00 pm at the clock and the test performed 3 times on different days . Data taken from the study include inlet and outlet water temperature collectors , and the temperature of the water in the tank , which is then carried out data processing to determine the flow rate , the density of water , the water temperature difference in and out collector ( ÄT ) , the performance of solar water heaters ( q ) , and processing the data graphically . The results of the study of each color plate solar collector plate showed that the color black has the highest absorption compared with red and blue , because the color black has emissivity close to 1 ( objects that are almost black) is a transmitter as well as a good heat absorber. Kata kunci: Kolektor, emisivitas, warna plat, air

OPTIMASI PARAMETER PEMESINAN WIRE ELECTRIC DISCHARGE MACHINING BAJA PERKAKAS SKD 11 MENGGUNAKAN METODE TAGUCHI Setiawan Okik Aris; Djumhariyanto Dwi; Mulyadi Santoso
ROTOR Vol 11 No 2 (2018)
Publisher : Jurusan Teknik Mesin Fakultas Teknik Universitas Jember

EDM wire is one of the non-conventional machinings that is currently widely used in the manufacturing industry because it can process workpieces with hard material and also produces excellent dimensional accuracy. This research was carried out with variable current, voltage and wire speed processes. While the response variable is the material removal rate and cutting width (kerf), this study aims to determine the effect of each factor on each response as well as on the combined response and to find the right combination of parameters to produce optimal response values. The results of the study stated that the current strong factor contributed 89.84% and the wire speed factor was 8.26% against the cutting width response (kerf). The current strong element contributes 87.88% to the material removal rate response. As for the combined response, the influential factor was wire speed with a contribution of 92.79%. The optimal combination of parameters in the combined response is 7 amperes, 5 volts and 10 m / s wire speed. The conclusion of this study informs that the smaller the current strength, the better the value of the cutting width, while the more significant the current force will result in a higher removal rate material. The factor that influences the combined response is wire speed, where the increase in the value of the wire speed increases the amount of the Gray Relational Grade from the combined response. Keywords: Wire EDM, SKD 11 Steel, Taguchi, Optimization

Co-Authors ,Aswatama, Ketut Achmad 'Ima Duddin Afril Priyanto Agung Budi Cahyono Agung Eko Hadiyoto Agung Eko Hadiyoto, Agung Eko Agus Subekti Prakoso Agus Triono Ahmad Adib Rosyadi Ahmad Ayyub Syaiful Ahmad Syuhri Alex Ttesa Elsyamba Alfredo Bayu Satriya Anam, M. Khairul Andi Kurniawan Andi Sanata Arif Bigwanto Aris Zainul Mutaqien Aris Zainul Muttaqin Aswatama, Ketut Boy Arief Fachri Cahya Alief Prasetyo Cahya Alief Prasetyo Danang Muharyanto Dedi Dwilaksana Devita Amelia Devlin, Nigel Gavriel Digdo Listyadi, Digdo Dinasti Achmad Tristanto Dwi Djumhariyanto Elsyamba, Alex Ttesa Erno Widayanto, Erno Faizun, Muhammad Muhtada Firdausyah, Nalurita Gaguk Jati Sukamto Gaguk Jatisukamto Ghaffar, Jakfat Maulid Hari Arbiantara Hari Arbiantara Basuki Hari Arbiantara, Hari Hari Sutjahjono Haris Dwi Armyanto Harizalni SE Harizalni SE, Harizalni Hary Sutjahjono Hendry Wicaksana Hentihu, Fahrur Rozy Hutama, Tri Surya Ilminafik, Nasrul Imam Sholahuddin Imam Sholahudin Intan Hardiatama Ivan Permadi Mahfud Khoirur Rohman Krisna Murti Kustanto, M Nurkoyim M Arief Hidayat M Asrofi M Dimyati Nashrullah M Dimyati Nashrullah Mahros Darsin Melbi Mahardika Mochamad Asrofi Mochamad Trifiananto Muh Nurkoyim Kustanto Muh. Nurkoyim Kustanto Muhammad Trifiananto Nasrul Ilminnafik Novi Nur Hamimah Rahma Rei Sakura Rika Dwi Hidayatul Qoryah Rika Dwi Qoryah Ririn Endah Badriani, Ririn Endah Sadeli Jokowiyono Sadeli Jokowiyono, Sadeli Salahuddin j Salahuddin Junus Salman Al Farisi Siregar Sari, Herninda Ayu Meylinda Setiawan Okik Aris Sujito Sujito Syamsul Arifin Tri Surya Hutama Widodo, Jojok Widya Cahyadi Yuni Hermawan Yusca Alvantio Permana

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