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Jurnal INTECH Teknik Industri Universitas Serang Raya
Published by Universitas Serang Raya
ISSN : 2407781X     EISSN : 26552655     DOI : -
Core Subject : Science, Engineering,
Decision Sciences, Operations Research & Management Engineering Industrial & Manufacturing Engineering Mechanical Engineering Transportation
Jurnal INTECH Teknik Industri Universitas Serang Raya, dengan nomor terdaftar ISSN 2407-781X (Print) dan 2655-2655 (online) adalah jurnal ilmiah yang diterbitkan oleh Program Sudi Teknik Industri, Fakultas Teknik, Universitas Serang Raya. Jurnal ini bertujuan untuk mempublikasikan hasil penelitian di bidang Teknik Industri yang diterbitkan dua kali setahun. Ruang lingkup Ilmu mencakup Riset Operasi, Sistem Manufaktur, Manajemen Industri, Ergonomi dan Sistem Kerja, Logistik dan Manajemen Rantai Pasokan, dan studi ilmiah lainnya sesuai dengan bidang lingkup penelitian Teknik Industri.
Arjuna Subject : -
Articles 219 Documents
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Pengukuran dan Intervensi Pengendalian Kualitas Pengelasan Blast Furnace Shell dengan Metode Plant, Do, Check Action (PDCA) Farid Wajdi; Darna Wiguna
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 1 No. 1 (2015)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (523.304 KB) | DOI: 10.30656/intech.v1i1.152

Abstract

Studi ini mendeskripsikan pengukuran kualitas pengelasan pada pembuatan blast furnace shell. Pengukuran dilakukan dengan metode non destruktif menggunakan alat ultrasonic test. Tujuan dari pengukuran ini adalah untuk meminimalisir cacat pengelasan dengan melakukan intervensi pada proses pengelasan. Pengukuran awal dilakukan pada 178 join pengelasan FCAW (Flux Cored Arch Welding) pada pembuatan blast furnace shell. Hasil pengukuran awal ini menunjukkan 158 join (89%) memperlihatkan hasil pengelasan yang baik dan 20 join (11%) memerlukan perbaikan. Tujuan dari penelitian ini adalah untuk melihat pengaruh kondisi lingkungan pengelasan dalam upaya meminimalisir cacat pengelasan yang terjadi pada pembuatan blast furnace shell. Intervensi dilakukan dengan penggunaan pelindung diseputar blast furnace shell untuk mengurangi angin yang menerpa pada saat proses pengelasan. Pengukuran selanjutnya dari 178 join menghasilkan 165 join yang baik (93%) dan 13 join perlu repair (7%). Cacat yang teridentifikasi yaitu undercut, porosity, slag dan include fusion dan crack (retak) yang berlebihan, sehingga hasil pengelasan tersebut dinyatakan repair. Dengan demikian dapat disimpulkan bahwa kualitas pengelasan dapat diperbaiki dengan memperbaiki kondisi lingkungan tempat pekerjaan dilakukan, dalam hal ini kecepatan angin. Dalam hal ini terjadi penurunan cacat las dari 11% menjadi 7%. Namun demikian hasil ini belum mencapai target cacat las yang telah ditetapkan yaitu 5%. Untuk mencapai target tersebut perlu intervensi pada aspek lainnya seperti prosedur standar pengerjaan dan ispeksi material.
Analisis Productive Maintenance di PT. Sankyu Indonesia International Heru Winarno; Sampurna Yuda Negara
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 1 No. 1 (2015)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (415.417 KB) | DOI: 10.30656/intech.v1i1.153

Abstract

Penelitian ini bertujuan untuk mengetahui penyebab masalah atau kekurangan dari hasil availability pada alat fork lift 2,5 ton dan 7 ton di PT. Sankyu Indonesia International dengan menggunakan metode Total Productive Maintenance (TPM). Jumlah fork lift dua buah yaitu fork lift 2,5 ton di departement maintenance dan fork lift 7 ton di operasional. Data dikumpulkan dari data repair fork lift dari bulan januari sampai juni, kemudian data diolah menggunakan performance maintenance dan dianalisis dengan diagram fishbone dan langkah perbaikan dengan penerapan TPM. Berdasarkan hasil penelitian dapat disimpulkan bahwa peneliti membahas mengenai penyebab dan akibat yang ditimbulkan oleh breakdown alat/mesin Fork Lift 2,5 ton dan fork lift 7 ton. Untuk mendapatkan mesin yang dapat terjaga keterandalannya dibutuhkan suatu konsep yang baik. Total Productive Maintenance (TPM) merupakan sebuah konsep yang baik untuk merealisasikan hal tersebut. Konsep ini, selain melibatkan semua personil dalam perusahaan, juga bertujuan untuk merawat semua fasilitas pelayanan yang dimiliki perusahaan.Data yang digunakan merupakan data breakdown, operation time, loading time dan frekuensi breakdown selama enam bulan dari Januari-Juni 2014. dengan memperhitungkan nilai Mean Time Beetwen Failure (MTBF) yang dihasilkan fork lift 2 ton adalah 92,44 dan fork lift 7 ton adalah 508, Mean Time To Repair (MTTR) fork lift 2 ton adalah 21,33 dan fork lift 7 ton adalah 8, serta Availability fork lift 2 ton adalah 69,33% dan fork lift 7 ton adalah 84,67 %, dengan menggunakan data record fork lift 2,5 ton pada depatement maintenance selama 6 bulan dari bulan januari – juni 2014.
Identifikasi dan Rencana Perbaikan Penyebab Delay Produksi Melting Proses dengan Konsep Fault Tree Analysis (FTA) di PT. XYZ Nugraheni Djamal; Rifki Azizi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 1 No. 1 (2015)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (629.416 KB) | DOI: 10.30656/intech.v1i1.154

Abstract

PT. XYZ bergerak di bidang industri baja yang menghasilkan berbagai produk baja seperti slab baja, billet baja, baja lembaran panas, baja lembaran dingin dan batang kawat. Dalam produksinya masih mengalami berbagai masalah di antaranya delay Melting Proses. Sehingga mengakibatkan terganggunya proses produksi. Tujuan penelitian ini adalah untuk mengidentifikasi dan melakukan rencana perbaikan penyebab delay Pengaturan % Carbon pada Melting Proses. Dan menentukan nilai probabilitas tertinggi dari delay Pengaturan % Carbon itu sendiri. Penelitian ini menggunakan metode Fish Bone Diagram, Fault Tree Analysis (FTA) dan 5W 1H. Pada analisis FTA menunjukan bahwa Visualisasi baja cair tidak akurat mempunyai nilai probabilitas tertinggi yaitu 0.2602 dan probabilitas kecacatan pengaturan % carbon (sebagai puncak kegagalan) yaitu -3.0813. Berdasarkan analisis FTA ini dapat ditentukan prioritas rencana tindakan perbaikan untuk melaksanakan perbaikan berdasarkan nilai probabilitas dari jenis dan penyebab kecacatan. Rencana perbaikan menggunakan metode 5W 1H yaitu diantaranya merevitalisasi mesin injeksi oksigen dan melakukan training melting proses.
Analisis Penyebab Kerusakan Hot Rooler Table dengan Menggunakan Metode Failure Mode And Effect Analysis (FMEA) Muhamad Bob Anthony
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 4 No. 1 (2018)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (496.134 KB) | DOI: 10.30656/intech.v4i1.851

Abstract

This research was conducted in an international company engaged in iron and steel products manufacturing industries. One of the equipment that is often damaged is a hot roller table machine in the furnace section mill unit. The availability results obtained in hot roller table equipment is 96.571% and is still below the company standard which is set at 98%. Therefore, we need an analysis of the root causes of the problem and search for the best solution to fix the existing problem by applying the method of Failure Mode and Effect Analysis (FMEA). FMEA is a method that can systematically and structurally analyze and identify the consequences of a system or process failure, and also reduce or analyze the probability of failure. The purpose of this study is to identify and analyze the level of damage and its causes with the application of the FMEA method. Based on the pareto diagram the damage to the hot roller table machine, it was found that the highest frequency of damage was in the rotary coupling with a down time percentage of 26.9%. From the FMEA Analysis, two components that have very high RPN values are categorized as potential severit i.e. bearing as the first with an RPN value of 392 and the second is a seal ring with an RPN value of 294. The two components are the main priority for repair of the furnace section. mill, especially for machine and human aspects.
Analisa Pengendalian Kualitas pada Proses Azodicarbonamide dengan Pendekatan Metode Six Sigma Rizki Syahriyanti; Rosihin Rosihin; Gerry Anugrah Dwiputra
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 4 No. 1 (2018)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (451.895 KB) | DOI: 10.30656/intech.v4i1.852

Abstract

Foaming Agent company is a company engaged in the chemical industrial manufacturing, especially the additive industry for plastic and synthetic rubber. In the production process, the Foaming Agent Company has a problem with one of its products, Azodicarbonamide (ADCA). The number of defects caused becomes a problem primarily related to the course of production and the relationship with the customer. The research was conducted using the Six Sigma method by implementing DMAIC (Define, Measure, Analyze, Improve, Control). This study aims to identify the factors that cause defects and the most optimal choice of options to increase the level of sigma in the ADCA production process. Based on the results the most significant aspects that cause defects in ADCA products is Average Particle Size; 66.77% of the overall production defects. The sigma level that obtained before and after the improvisation is 3.68 and 4.03 with the average achieved savings per month are Rp.600 million. The results of the gradual decrease in defects showed that the options implemented at the improvisation stage were successful, but still needed improvisation so that the company's performance can be even better
Perbaikan Postur Kerja Operator Pengelasan dengan Metode Quick Exposure Check (QEC) Eka Indah Yuslistyari; Aden Adhadin
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 4 No. 1 (2018)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (556.449 KB) | DOI: 10.30656/intech.v4i1.853

Abstract

CV. Surya Teknik Mandiri is a company engaged in lathe and welding services located in Serang-Banten. Work is usually done such as screw making and welding of axle cages, where products are made according to customer orders. This study focused on one part of the work that has the highest level of fatigue through a fatigue questionnaire caused by squat work postures, namely the welding section involving two operators. This study aims to determine the measurement value of the exposure score, exposure level and to reduce MSDs complaints with the design of repair tools for welding operators in this study using the Quick Exposure Check (QEC) research method by distributing observer questionnaires and operators, and using the Anthropometry approach in measuring design tools for improving operator work posture. Based on the results of research on welding operators 1, the total exposure score was 106 with an exposure level of 59.55%. While for operator 2, there is a total exposure score of 124 and an exposure level of 69.66%. An action level for both operators needs further research and changes. Next, repairs are made to reduce the exposure level value in the welding work. Repairs are made with the aim of making the condition safe, comfortable and do not cause complaints MSDs when working, namely at the workstation standing by designing a tool in the form of a welding work desk. After implementing the welding workbench for the two operators and recalculating the QEC value, the operator one exposure level of 48.31% and for operator 2 49.43% with action levels need further research.
Penerapan Lean Manufacturing untuk Mengurangi Waste pada Produksi Absorbent Agung Ravizar; Rosihin Rosihin
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 4 No. 1 (2018)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (821.429 KB) | DOI: 10.30656/intech.v4i1.854

Abstract

This study aims to reduce the waste that occurs on each workstation and has an impact on increasing productivity and reducing production costs caused by waste that occurs during production. The data used for this study is quantitative data obtained by direct observation to the relevant departments regarding the problem of identifying waste that occurs — data taken from observations as much as 30 times the collection of data and historical data used from January 2016 to June 2017. By using the value stream mapping method on lean manufacturing, it can be seen that there are five types of waste from the existing seven waste. The five wastes are unnecessary motion, waiting, reject, transportation and in-process processes. From the results of the value stream mapping carried out a reduction in waste on each workstation with a total reduction of waste that occurs at 66.97 tons / year or 18.6% on waste gel and 88.8 tons / year or 19.3% at waste powder and there was a reduction in the changeover process for 45 minutes or 12.16% of the total changeover time before the improvement. Also, there was also an increase in the production process speed of 2 minutes 47 seconds or 4.52% from the lead time of the previous production process, 61 minutes 34 seconds to 58 minutes 47 seconds.
Analisis Antrian Kapal di Dermaga 5 Pelabuhan Banten Nugraheni Djamal; Haris Eno Maulana
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 4 No. 1 (2018)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (396.921 KB) | DOI: 10.30656/intech.v4i1.855

Abstract

Pelabuhan Banten is a company engaged in port services in Indonesia, one of the essential aspects of which is the process of loading and unloading ships which are part of the landing process that will affect the queue of vessels entering or exiting the port. In this case, the variables observed were data on the time of arrival, service time, and the number of services. The method used in the retrieval of data on arrival time is purposive sampling. Data analysis methods include the detection of data distribution, determination of the queue model, and performs the calculation of the queue model. The single phase multichannel queuing system used in Banten Port for the average arrival of ships (λ) is obtained 45 ships/month and the average service (µ) adds 2 servers, from 3 servers to 5 servers because of the calculation of the 5 servers obtained the results of the calculation of the queue model are obtained. The probability of no service (Po) is 0.023. The average number of waiting in the queue (LQ) is 26 ships. The average number of waits in the system (Ls) is 35 ships. Average waiting time in the queue (Wq) is 34.66 minutes, the average waiting time in the system (Ws) is 35.99 minutes..
Usulan Pengendalian Kualitas Produksi Benang Carded dengan Metode Six Sigma Abdul Manan; Firdanis Setyaning Handika; Ahmad Nalhadi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 4 No. 1 (2018)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (444.163 KB) | DOI: 10.30656/intech.v4i1.856

Abstract

A yarn company strives to produce good and quality products, but the production process that is carried out by each person will produce products targeted at a target that has been set at 5%. This study uses the Six Sigma method but only until the improvement stage. The research is to determine the DPMO value and sigma level in the spinning production process, to know what factors cause defects and new parameters to reduce the defect. Based on the results of the study that the DPMO on the type of CD thread in the spinning section is 17,130 and the sigma level is 3,6. The level of sigma that has dominated the Indonesian industry average, but has a defect of 8.7%, the target set at 5%. Damaged and dirty apron, clogged trumpet, and leaky hose are factors that plan defects. Furthermore, with Failure Mode Effect Analysis (FMEA), the highest value of Risk Priority Number (RPN) in tangled defects is that the apron is damaged (140) and clogged trumpet (120), while the highest RPN value is gross dirty, i.e., dirty apron (150) and hose leaking lubricant (120).
Analisis Defect pada Hasil Pengelasan Plate Konstruksi Baja dengan Metode Six Sigma Rohimudin Rohimudin; Gerry Anugrah Dwiputra; Supriyadi Supriyadi
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 2 No. 1 (2016)
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (445.176 KB) | DOI: 10.30656/intech.v2i1.857

Abstract

From the observations on the construction company, the plate welding defects in steel construction often appear eight types of defects in the form of porosity, Under Cut, Overlap, Porosity, Underfill, Slag, Inclusion, Pin Hole, End Crater, Start Stop. This study aims to determine the types of defects that often appear, find out the causes and provide remedial solutions. This study uses six sigma methods with the stages of DMAIC (Define, Measure, Analyze, Improve, Control). Based on data processing obtained defects in the welding results that often appear namely undercut, porosity, overlap, underfill, spatter, pinhole, end crater, and start-stop. Found the dominant defect of processing Pareto diagrams in the form of Undercut 29%, Overlap 21%, Spatter 18%, Porosity 8%, all four types of defects reached 76%. Factors that cause defects in the welding results are seen from the aspects of the machine, human, method, material, and environment, namely the ampere in the machine that has been unstable, the operator is exhausted, the operator is less skilled, adjusting the ampere in the welding is too large, lack of cleaning, the distance of the bow is too far, the material is dirty, the material is wet, the environment is less comfortable, and the wind blows around the welding area. Some improvements that can be done are checking equipment before work begins, repairing pre-welding preparations in the form of cleaning the material to be carried out welding work, fixing welding techniques, increasing discipline and work motivation and the area to be carried out welding work must be covered with waterproof tarpaulin and the wind is protected from wind and rain. The improvement results can reduce the DPMO value from 51841 to 35377, and an increase in the sigma value from the initial sigma by 1.7 to 2.1.

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