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All Journal International Journal of Islamic Education, Research and Multiculturalism (IJIERM) Jurnal Tekno Mesin
Punuhsingon, Charles S. C.
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Religion Aerospace Engineering Arts Humanities Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Engineering Industrial & Manufacturing Engineering Mechanical Engineering Other

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OTOMATISASI SISTEM PENGGERAK ELECTROPNEUMATIC PADA MESIN GERINDA POTONG Pua, Yeremia Yudistira Fredrik; Rantung, Jotje; Punuhsingon, Charles S. C.
Jurnal Tekno Mesin Vol. 10 No. 1 (2024)
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35793/jtm.v10i1.51991

Abstract

To cut the workpiece, the electro-pneumatic grinding machine in the Mechanical Engineering Laboratory of UNSRAT is still running with the help of human labor. This process requires a longer time and, which reduces time efficiency. Thus, this research made an effort to implement sustainable production technology through the design and development of an automated work material system for the electro-pneumatic cutting grinding machine. The design results and the final prototype for the automation of the electro-pneumatic drive system on the cutting grinding machine were collected during the design process. Everything was built successfully according to the plan. Combining all the necessary product specifications into a final prototype. This included the cut-off grinder, the electropneumatic controller circuit with its panel, and the water controller circuit. In addition, an overview of how the pneumamatics work with the electro-pneumatic system of the cut-off grinding machine was obtained. sting work on the cutting machine with electro-pneumatic drive shows the cutting machine can work properly and in accordance with the results of the design. When given a 220 Volt AC input current Voltage on the power supply with a 24 Volt AC power supply output can activate components that use 24 Volt DC current. This tool will be more perfect if it is developed with the addition of PLC as an electro-pneumatic control component so that the tool can be more precise when operating cutting workpieces. Key words: Automatic, electro-pneumatic, cutting machine ABSTRAK Untuk melakukan pemotongan benda kerja, mesin gerinda potong elektro-pneumatik yang ada di Laboratorium Teknik Mesin UNSRAT masih berjalan dengan bantuan tenaga manusia. Proses ini memerlukan waktu yang lebih lama dan mengurangi efisiensi waktu. Dengan demikian, penelitian ini melakukan upaya untuk menerapkan teknologi produksi berkelanjutan melalui desain dan pengembangan sistem otomatis material kerja untuk mesin gerinda potong elektropneumatik. Hasil perancangan dan prototipe akhir untuk otomatisasi sistem penggerak elektro-pneumatik pada mesin gerinda potong dikumpulkan selama proses perancangan. Semuanya dibangun dengan sukses sesuai dengan rencana. Menggabungkan semua spesifikasi produk yang diperlukan menjadi prototipe akhir. Ini termasuk gerinda potong, rangkaian pengontrol elektropneumatik dengan panelnya, dan rangkaian pengontrol air. Selain itu, gambaran tentang cara kerja pneumamatik dengan sistem elektro-pneumatik mesin gerinda potong diperoleh. Hasil pengujian menunjukkan bahwa prototipe otomatisasi sistem penggerak elektro-pneumatik bekerja dengan baik. Pengujian dilakukan pada solenoid valve 5/3 dengan diberi tegangan 24 Volt DC dan tekanan udara 6 bar dapat melakukan fungsi dengan baik. Pengujian kerja pada mesin potong dengan penggerak elektro-pneumatik menunjukan mesin potong dapat bekerja dengan baik dan sesuai dengan hasil perancangan. Ketika diberi tegangan arus input 220 Volt AC pada power supply dengan output power supply 24 Volt AC dapat mengaktifkan komponen yang menggunakan arus 24 Volt DC. alat ini akan lebih sempurna jika dikembangkan dengan penambahan plc sebagai komponen kontrol elektro-pneumatik agar alat bisa lebih presisi saat beroperasi melakukan pemotongan benda kerja Kata kunci: Otomatis, elektro-pneumatik, mesin pemotong
PENERAPAN RELIABILITY CENTERED MAINTENANCE PADA PERENCANAAN WAKTU INTERVAL PREVENTIVE MAINTENANCE UNIT CONTAINER CRANE DI TERMINAL PETI KEMAS PT PELINDO IV BITUNG Anthony, Jilvan; Arungpadang, Tritiya A.R.; Punuhsingon, Charles S. C.
Jurnal Tekno Mesin Vol. 10 No. 1 (2024)
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35793/jtm.v10i1.51994

Abstract

Equiport Inti Indonesia site Bitung is a company engaged in maintenance at PT Pelindo IV Bitung Container Crane Terminal. The problem faced by the company is the frequent occurrence of damage to the CC 04 machine. The company implements preventive maintenance and corrective maintenance activities but these maintenance activities do not run optimally. Therefore, a maintenance system was developed to improve engine reliability. The method used is Reliability Centered Maintenance (RCM) with the aim of determining efficient maintenance time intervals. RCM is done by analyzing the failure with FMECA analysis. The results of this analysis are the RPN values of the trolley, spreader and gantry components as critical components of the system. Then the maintenance policy is determined with the results of the RCM decision worksheet in the form of scheduled on condition, scheduled restoration and scheduled discard task for the three engine components with maintenance time intervals according to the task category. Keywords : Container Crane, Prenventive Mantenance, FMECA, RCM ABSTRAK Equiport Inti Indonesia site Bitung merupakan perusahaan yang bergerak dibidang maintenance di Containr Crane Terminal Peti Kemas PT Pelindo IV Bitung. Permasalahan yang dihadapi perusahaan yaitu sering terjadinya kerusakan pada mesin CC 04. Perusahaan menerapkan kegiatan preventive maintenance dan corrective maintenance namun kegiatan maintenance ini tidak berjalan dengan optimal. Oleh karena itu, dilakukan pengembangan sistem pemeliharaan untuk meningkatkan keandalan mesin. Metode yang digunakan yaitu Reliability Centered Maintenance (RCM) dengan tujuan menentukan interval waktu pemeliharaan yang efisien. RCM dilakukan dengan menganalisis kegagalan dengan analisis FMECA. Hasil dari analisis ini berupa nilai RPN komponen trolley, spreader dan gantry sebagai komponen kritis pada sistem. Kemudian ditentukan kebijakan maintenance dengan hasil RCM decision worksheet berupa scheduled on condition, scheduled restoration dan scheduled discard task pada ketiga komponen mesin dengan interval waktu maintenance sesuai dengan kategori task. Kata kunci : Container Crane, Prenventive Mantenance, FMECA, RCM
MINIMASI BIAYA DISTRIBUSI PRODUK PERTALITE DENGAN MENGGUNAKAN MODEL TRANSPORTASI PADA PT PERTAMINA PATRA NIAGA INTEGRATED TERMINAL BITUNG Piopadang, Hilda D. K. Y.; Arungpadang, Tritiya A.R.; Punuhsingon, Charles S. C.
Jurnal Tekno Mesin Vol. 10 No. 2 (2024)
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35793/jtm.v10i2.59212

Abstract

This study describes the final comparison of the minimum cost of pertalite product distribution and knowing the optimal results of pertalite product distribution costs using the Stepping Stone method and POM-QM software comparison. The type of research used is quantitative research with data processing used is the Northwest Corner Method, the Least Cost Method, and the Vogel Method as the method used as the initial feasible solution. The final solution used to find the optimal solution is the Stepping Stone Method and the use of POM-QM software as a comparison. The distribution cost results obtained using the Northwest Corner Method are Rp. 276,892,208, the Least Cost Method obtained Rp. 186,058,754, and the Vogel Method Rp. 77. 415.457. The Stepping Stone Method as the final result obtained Rp.77,415,457. The method that is closest to the optimal value is the Vogel Approximation Method because it can provide minimum costs and provide greater benefits when compared to other methods. Keywords: Northwest Corner Method,  Least Cost Method, Vogel’s Approximation Method.   ABSTRAK                Penelitian ini menjelaskan tentang perbandingan akhir biaya minimum distribusi produk pertalite dan mengetahui hasil optimal biaya distribusi produk pertalite dengan menggunakan Metode Stepping Stone dan perbandingan software POM-QM. Jenis penelitian yang digunakan adalah penelitian kuantitatif dengan pengolahan data yang digunakan adalah Metode Barat Laut, Metode Biaya Terendah, dan Metode Vogel sebagai metode yang digunakan sebagai solusi awal yang layak. Solusi akhir yang digunakan untuk mencari solusi optimal adalah Metode Stepping Stone dan penggunaan software POM-QM sebagai pembanding. Hasil biaya distribusi yang diperoleh dengan menggunakan Metode Barat Laut sebesar Rp. 276.892.208, Metode Biaya Terendah diperoleh Rp. 186.058.754, dan Metode Vogel sebesar Rp. 77.415.457. Metode Stepping Stone sebagai hasil akhir diperoleh Rp. 77.415.457. Metode yang paling mendekati nilai optimal adalah Metode Vogel karena dapat memberikan biaya yang minimum dan memberikan keuntungan yang lebih besar jika dibandingkan dengan metode lainnya. Kata kunci: Metode Barat Laut, Metode Biaya Terendah, Metode Vogel.
PENERAPAN METODE SYSTEMATIC HUMAN ERROR REDUCTION AND PREDICTION APPROACH (SHERPA) UNTUK KESELAMATAN KERJA PADA INDUSTRI PEMBUATAN GARAM DI PT EMPAT SAUDARA Mewengkang, Ginolha; Punuhsingon, Charles S. C.; Neyland, Johan S. C.; Tamod, Zetly Estefanus
Jurnal Tekno Mesin Vol. 10 No. 2 (2024)
Publisher : Fakultas Teknik Jurusan Teknik Mesin Universitas Sam Ratulangi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35793/jtm.v10i2.59298

Abstract

EMPAT SAUDARA is a company engagedin manufacturing by producing refined salt. A tany time the production process on the machine certainly haspotential hazards that must be avoided by workers. In addition to the danger sposed by machines, there a real sohazard factors caused by the workers them selves, human error factors or Human Error. This study aimsto "how touse the SHERPA method in evaluating human error so that preventive step scan be determined". For the prevention of human error usedin this study using the SHERPA method (Systematic Human Error Reduction and Prediction Approach) which aimsto determine the potential forwork accidents that mayoccuror determine the application of preventionas early as possible. There sults of this study using the SHERPA method obtained 1 HTA diagrams of the salt making process with a total of 22 tasks consisting of material and machine in spection, material arrival, processing process and distribution process. An error correction strategy was produced as a proposal consisting of tighter supervision, training for employees, the use of safety shoes back support belts and the use of correct lifting techniques. Keywords: SHERPA Method, human error, PT Empat Saudara ABSTRAK EMPAT SAUDARA merupakan perusahaan yang bergerak dalam bidang manufaktur dengan memproduksi garam halus. Setiap saat proses produksi pada mesin pastinya memiliki potensi bahaya yang harus dihindari para pekerja. Selain bahaya yang ditimbulkan oleh mesin, ada juga factor bahaya yang ditimbulkan oleh pekerja itu sendiri, factor kesalahan manusia atau Human Error. Penelitian ini bertujuan bagaimana dapat menggunakan metode SHERPA dalam mengevaluasi human error sehingga dapat ditentukan langkah pencegahannya”. Untuk pencegahan human error yang digunakan dalam penelitian ini menggunakan metode SHERPA (Systematic Human Error Reduction and Prediction Approach) yang bertujuan untuk mengetahui potensi kecelakaan kerja yang kemungkinan terjadi ataupun menentukan penerapan pencegahan sedini mungkin. Hasil penelitian ini dengan menggunakan metode SHERPA diperoleh 1 Diagram HTA proses pembuatan garam dengan total task 22 yang terdiri dari pemeriksaan bahan dan mesin, kedatangan bahan, proses pengolahan dan proses pendistribusian. Dihasilkan strategi perbaikan error sebagai usulan yang terdiri dari pengawasan yang lebih ketat, melakukan pelatihan bagi karyawan, penggunaan safety shoes, back support belt, melakukan breafing serta penggunaan teknik mengangkat dengan benar. Kata Kunci: Metode SHERPA, human error, PT Empat Saudara
An Analysis of Transportation Mode Choice in Bitung City Using Structural Equation Modeling Lefrandt, Lucia Ingrid Regina; Punuhsingon, Charles S. C.
International Journal of Islamic Education, Research and Multiculturalism (IJIERM) Vol 6 No 3 (2024)
Publisher : The Islamic Education and Multiculturalism Foundation

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47006/ijierm.v6i3.402

Abstract

Transportation is the foundation of daily life and is vital to a region's economic and social development. Transportation is a crucial aspect of human life, facilitating connections between locations. Mode choice is a critical consideration in transportation planning, influenced by cost, travel time, and comfort factors. This study aims to analyze the characteristics of travelers in Bitung City Regency and the factors influencing their choice of transportation modes in 2024. The research involved distributing an online questionnaire to 200 respondents and gathering data on various latent variables, including Travel Cost, Travel Time, Vehicle Condition, and Comfort Level. The analysis used Structural Equation Modeling (SEM) with SPSS and AMOS software. The study revealed a significant gender disparity among the respondents, with men dominating the demographics at 60%. Most respondents were from the 26–35-year age group (40%), had a private status (35%), and had completed high school or vocational school (35%). Motorbikes were the most common regarding vehicle ownership, with 60% of respondents owning one. The SEM analysis revealed significant factors influencing transportation mode choice. Travel Time (WT) had a negative effect on Comfort Level (TK) and Vehicle Condition (KK), with t-values of -0.684 and -0.895, respectively, indicating that longer travel times reduce comfort and vehicle satisfaction. Vehicle Condition (KK) significantly influenced the preference for Online Transport (TO) and Conventional Ojek (OK) with t-values of 0.597 and 0.278, respectively. Comfort Level (TK) significantly impacted the preference for Public Transport (TU), Conventional Ojek (OK), and Online Transport (TO) with t-values of 0.728, 0.530, and 0.301, respectively. The findings of this research have practical implications, suggesting that enhancing travel time efficiency, vehicle conditions, and overall comfort can significantly influence mode choice preferences. These insights can engage and interest transportation planners, policymakers, and researchers, guiding future transportation planning and policymaking in Bitung City Regency.
Co-Authors Anthony, Jilvan Arungpadang, Tritiya A.R. Benny L. Maluegha Johan S.C. Neyland Jotje Rantung Lucia Ingrid Regina Lefrandt Mewengkang, Ginolha Piopadang, Hilda D. K. Y. Pua, Yeremia Yudistira Fredrik Rudy Poeng Tamod, Zetly Estefanus Umboh, Markus K.