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Ridwan Abdurrahman
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INDONESIA
Jurnal Surya Teknika
Published by Universitas Muhammadiyah Riau
ISSN : 23546751     EISSN : 27237222     DOI : 10.37859
Core Subject : Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering
a media of communication and reply forum for scientific works especially concerning the fields of industrial technology, machinery, and automotive.
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 361 Documents
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PERAMALAN KUNJUNGAN WISATAWAN MANCANEGARA DI SUMATERA BARAT PADA SAAT PANDEMI COVID 19 Henny Yulius
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3173

Abstract

Pada sektor pariwisata jumlah kunjungan wisatawan mancanegara memegang peranan penting terhadap pertumbuhan ekonomi. Untuk meningkatkan kunjungan wisatawan mancanegara perlu dilakukan pembangunan yang berkelanjutan yang sejalan dengan tren pertumbuhan kunjungan wisatawan mancanegara agar pembangunan tepat sasaran, efektif dan efisien. Penelitian ini bertujuan untuk meramalkan kunjungan wisatawan mancanegara ke Sumatera Barat menggunakan metode peramalan regresi linear. Data historis yang digunakan adalah data kunjungan wisatawan mancanegara ke Sumatera Barat pada Tahun 2018 sampai tahun 2020 dari Badan Pusat Statistik (BPS). Hasil dari penelitian adalah peramalan jumlah kunjungan wisatawan asing di Sumatera Barat berdasarkan data historis 6 tahun terakhir menunjukkan bahwa wisatawan asing yang akan datang berkunjung pada tahun 2021 di Sumatera Barat adalah 37.858,47 jiwa.
PENGARUH CELAH CAMSHAFT TERHADAP NOISE PADA CYLINDER HEAD HONDA CB 150 R Indra Hasan; Denur
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3247

Abstract

Noise on a motorcycle is unwanted sound because it does not fit the context of space and time thus affecting ride comfort . Noise caused by the vibrating object or objects collide . Which became the main object causes of noise in the Cylinder Head Honda cb 150 R is due to the large gap camshaft causing collision between the camshaft with holder. This research was conducted entirely in the workshop by examining the influence of several variations of the gap camshaft to noise generated in the cylinder head . Variations slit used was 0,75 mm , 0,85 mm , 0,95 mm , 1,05 mm, and 1,15 mm . The results showed that the variation of the gap camshaft significant effect on the noise generated , namely : a gap of 0,75 mm camshaft generate noise by 78,12 dB , 0,85 mm gap camshaft generate noise with a value of 78,37 dB , 0,95 mm gap camshaft generate noise 78,93 dB , 1,05 mm gap camshaft generate noise levels at 79,95 dB, and 1,15 mm gap camshafts produce 80,23 dB. Based on the results of the research with camshaft gap variation can be concluded that the lowest noise level generated by the camshaft gap of 0,75 mm .
ANALISIS BEBAN KERJA OPERATOR PAPER MESIN #6 PT. INDAH KIAT PULP AND PAPER TBK MENGGUNAKAN METODE CARDIOVASCULAR LOAD (CVL) DAN SUBJECTIVE WORKLOAD ASSESSMENT TECHNIQUE ( SWAT ) Faradila Ananda Yul; Sat Rudi Setiyawan
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3248

Abstract

Indah Kiat Pulp and Paper Tbk merupakan perusahaan industri manufaktur yang bergerak dibidang pengolahan bubur kertas, salah satu mesin kertas terbesar di Perawang adalah Paper mesin #6. Paper mesin #6 beroperasi secara kontinyu 24 jam dan untuk mendukung proses produksi tersebut jam kerja karyawan dibagi menjadi 3 shift kerja. Permasalahan yang terjadi pada paper mesin ini adalah tingginya angka kecelakaan kerja dikarenakan tingginya beban kerja yang dirasakan oleh operator sehingga menyebabkan operator kelelahan baik fisik maupun mental. Penelitian dilakukan pada operator stasiun produksi Wet End, Dry End, Chemical, Winder dan Thimons yaitu dilakukan pengukuran beban kerja fisik dengan menggunakan metode Cardiovascular Load (CVL) dan pengukuran beban kerja mental dengan metode Subjective Workload Assessment Technique (SWAT). Hasil perhitungan metode CVL bahwa beban kerja fisik yang paling besar pada shift 3 grup B terjadi pada operator Thimons 1 memiliki nilai % CVL sebesar 46,62 % dengan rekomendasi diperlukan perbaikan dan operator Wet End 3 dengan nilai % CVL sebesar 44,74 % dengan keterangan diperlukan perbaikan. Berdasarkan hasil CVL, sebanyak 12 karyawan mengalami beban kerja fisik. Berbeda dengan kepala shift dan operator Dekstop Control System (DCS), beban kerja yang dirasakan cenderung lebih ke beban mental. Penelitian pada kepala shift dan operator DCS menggunakan metode, metode SWAT digunakan untuk mengukur beban kerja mental. Penelitian dilakukan dengan cara pengamatan dan wawancara secara langsung, selanjutnya kepala shift dan operator DCS diminta untuk mengurutkan 27 lembar kartu SWAT yang terdiri dari Time Load(T), Mental Effort Load(E) dan Psycological Stress Load (S). hasil pengurutan kartu SWAT diolah dengan menggunakan aplikasi DosBox 0.74, setelah itu dilakukan pengkonversian nilai dari Time, Effort dan Stress (T.E.S). Berdasarkan perhitungan beban kerja mental kepala shift, faktor yang paling berpengaruh adalah faktor Time dengan nilai 60,44% diikuti faktor Effort dan Stress dengan nilai 29,64% dan 9,92%. Hal serupa dengan operator DCS, faktor yang paling berpengaruh adalah faktor Time dengan nilai 68,57% diikuti faktor Effort dan Stress dengan nilai 23,29% dan 8,13%. Beban waktu menjadi faktor utama yang dirasakan oleh karyawan karena tuntutan pekerjaan yang mengharuskan karyawan harus cepat dalam melakukan setiap aktivitas.
PENGEMBANGAN SOP (STANDART OPERATING PROSEDURES) PELAPORAN GANGGUAN DENGAN METODE GAP ANALYSIS St.Nova Meirizha; Dian Oktaviani
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3262

Abstract

PT.XYZ Pekanbaru sector was formed through the decision of the board of directors number 001.k/023/DIR/1996 dated February 7, 1996. It can be seen that one of PT.PLN's service activities is receiving reports of disturbances from service units. In reporting the disturbances received by the Operations and Maintenance Department (OPHAR), there were still several problems with disturbances from each service unit (UL), namely (ULPTG) Teluk Lembu, (PLTA) Koto Panjang, and (PLTG/MG) Duri, in reporting disturbance, the information provided is not detailed so that the information received is not in accordance with the needs of the operation and selection department, there is no schedule for sending disturbance reports, disturbance reports are past schedule when there is a disturbance and long delivery times, and there is no evaluation report and recommendation report from the unit. services as well as the absence of a chronology of disturbance validation reports. By conducting a gap analysis, we will compare the current conditions with the ideal conditions expected by the OPHAR department regarding the current SOP for reporting disturbances. From the results of the gap analysis, it can be concluded that there are 2 (two) SOP procedures that have gaps because they are not in accordance with the company's EAM standards.
PERBANDINGAN PEMAKAIAN ROCKER ARM KONVENSIONAL DENGAN ROCKER ARM ROLLER BEARING PADA SEPEDA MOTOR Jusnita
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3263

Abstract

Roller Rocker Arm is important for transmitting signals and determining work efficiency which is the result of technological developments from ordinary rocker arms. The purpose of this study was to compare the use of conventional rocker arm with rocker arm roller on power, torque, exhaust emissions, compression on a motorcycle engine. The research method used is changing the fuel system, ignition system, changing the valve mechanism. The maximum torque on the conventional rocker arm occurs at 2995 rpm with a value of 10.92 Nm. Maximum torque decreases with increasing engine speed. The decrease in power at high speed occurs due to the influence of the volume of the fuel and air mixture which tends to decrease. The highest fuel consumption occurs at 7000 rpm engine speed in a conventional rocker arm of 0.124 kg/kWh, so the rocker arm roller is more efficient than the conventional rocker arm. Fuel consumption rocker arm roller rotation 7000 rpm 0.028 kg/kWh. While the conventional rocker arm fuel consumption at 7000 rpm 0.124 kg/kWh. Exhaust emissions, the rocker arm roller is environmentally friendly compared to the conventional rocker arm CO2 rocker arm roller only produces 5.2%, while the conventional rocker arm test results after the average CO2 value reaches 5.3%. The results of testing the two rocker arms on compression are the same at 90 Psi and 6.2kg/ from the standard size of 10-11kg/
PERENCANAAN PENANGKAL PETIR DI GEDUNG SEKOLAH TINGGI TEKNOLOGI PEKANBARU Ermawati; Engla Harda Arya
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3273

Abstract

The installation of lightning rods is very necessary for office buildings, buildings, towers so that humans and equipment inside the building are protected from the danger of lightning strikes. This study plans a good lightning rod to be installed in the Pekanbaru Technology High School building by knowing the values ​​of lightning strike density, lightning strike distance, the level of building hazard estimates, determining the area that attracts lightning strikes, determining the number of lightning strikes per year, and determining the radius. protection against lightning strikes. The results of the research that has been carried out, in the Pekanbaru Technological School (STTP) building with a building length of 32.50 m, a building width of 22.50 m, and a building height of 18.00 m. obtained the value of lightning density N_g=35,3602 km²/year, area of ​​attraction for lightning strikes A_e=15,827.49 m², the number of lightning strikes N_d=0,559/year, has level III protection with E=082, area of ​​radius A_x=174.885.44 m², So to be safer from lightning strikes, the STTP building using an electrostatic lightning rod is enough to use 1 finial with a length of 2 m.
Analisis Pengendalian Kualitas Crude Palm Oil (CPO) PT. Kampar Tunggal Agrindo Dengan Menggunakan Statistical Process Control denny astrie anggraini
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3278

Abstract

Kampar Tunggal Agrindo merupakan perusahaan yang bergerak dibidang Pabrik Kelapa Sawit berskala 15 T/H berasal dari Kabupaten Kampar mengolah buah brondolan sawit menjadi minyak mentah (crude palm oil). Perusahaan ini mengalami ketidaksesuaian standart hasil produksi yang ditetapkan oleh perusahaan, dengan standar kadar asam < 30%, kadar air <0,50%, kadar kotoran <0,030%. Maka dari itu dibutuhkan analisis menggunakan metode statistical process control. Dari 3 parameter analisis ketidaksesuaian standart produk crude palm oil (CPO), diparamater kadar asam dan kadar air ada beberapa data yang out of control yang berarti tidak terkendali dan harus dilakukan analisis lebih lanjut. Dari 3 parameter kualitas produk CPO, maka yang menjadi prioritas untuk diperbaiki adalah parameter kadar air. Akar penyebab dari tingginya kadar air (> 0,50%) adalah manusia antara lain kurangnya inspeksi pada waktu perebusan akibatnya tekanan steam uap berlebihan sehingga suhu terlalu panas akibat kurang komunikasi antara operator boiler dan perebusan. Untuk itu perlu dilakukan pengawasan SOP dari pihak kepala produksi terhadap operator, penambahan unit material handling berupa loader dan merancang checklist preventif untuk mencegah kerusakan.
Pengukuran Beban Kerja Mental Job Driver Dan Swamper Team Fuel Menggunakan NASA-TLX Muhammad Qurthuby
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3283

Abstract

Giving excessive workloads causes work stress both physically and psychologically and emotional reactions. The excess workload experienced by drivers and swampers at PT XYZ results in reduced attention at work, decreased work motivation, and decreased skill levels, thus affecting drivers and swampers productivity and the chance of a work accident is very high. This study aims to measure the Mental Workload of Job Driver and Swampers Fuel Tank Using the NASA-TLX Method. The NASA-TLX score obtained 93.8, driver 2 get 83.7, driver 3 91.3, swamper 1 91, swamper 2 89.5, and swamper 3 94.7. Elements of mental workload that are very influential are Mental Demand with a percentage of 22%, Effort 20%, Physical Demand 18%, Own Performance 15%, Frustation Level 15% and Temporal Demand 12%.
Usulan Peningkatan Kualitas Pelayanan Rawat Inap Puskesmas Balapulang dengan Metode Service Quality dan Model Kano Alex Kisanjani; Marulan Andivas; Misrianto
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3287

Abstract

Puskesmas as the front line of health services need serious attention in terms of services quality. Puskesmas should be the first referral place with quality services, so that it can overcome various health problems that occur in the community. This study aims to provide suggestions for improvement in order to enhance the quality of inpatient services at the Puskesmas Balapulang. This study uses the Servqual and Kano Methods. The result of the study indicate that there are 3 service quality attributes that get priority for improvement, namely a comfortable inpatient room, easy and fast patient service process, and doctor visit on time according to schedule. Meanwhile, proposed improvement is to carry out routine maintenance of all Puskesmas facilities, provide trash bins in all patient ward, provide large service procedure information board, and penalize doctors for arriving late.
Minimalisasi Waste Industri Furniture Pada Produksi Rak Botol Marulan Andivas; Dimaz Harits; Alex Kisanjani
Jurnal Surya Teknika Vol 8 No 2 (2021): JURNAL SURYA TEKNIKA
Publisher : Fakultas Teknik UMRI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37859/jst.v8i2.3288

Abstract

Indonesian furniture products are known to have high competitiveness in the international market. This competitiveness is in the form of unique designs and furniture products with distinctive raw materials such as rattan, bamboo, and teak compared to furniture produced by other countries. PT. XYZ is a company engaged in manufacturing (Furniture). In this study, we will observe the production process of bottle racks ordered by consumers as many as 150 pcs. Based on observations, in the process the company shows that there are activities that do not provide added value resulting in delays in the delivery of ordered products. To find out the cause of the problem, the researcher uses one of the tools from lean manufacturing (Value Stream Mapping) to find waste. Fishbone diagrams in this study were used to help solve the problems found, so that to complete the previous product order which took 44.6 days, it could be completed in 23 days.

Page 9 of 37 | Total Record : 361

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