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Widya Setia Findari
Universitas Teknologi Yogyakarta
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Identifikasi Risiko Bahaya Pada Proses Produksi Batu Alam Di Stasiun Pemotongan Menggunakan Metode Hirarc Dan Five Why's Dicky Tri Sandyayuda; Widya Setiafindari
Jurnal Kendali Teknik dan Sains Vol. 1 No. 4 (2023): Oktober : Jurnal Kendali Teknik dan Sains
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v1i4.1113

Abstract

PBA Surya Alam is one of the industries engaged in the natural stone processing industry (PBA) which has a fairly high risk of work accidents due to the lack of hazard control in the production process for workers. The application of occupational safety and health at PBA Surya Alam has been implemented, but its application has not been maximized, such as in terms of worker awareness in using personal protective equipment (PPE). From 2020 the cutting station experienced 7 work accident cases, in 2021 the cutting station experienced 4 work accident cases, and in 2022 the cutting station experienced 2 work accident cases. The purpose of this study was to determine the potential for work accidents, risk assessment, and efforts to control hazard risks in natural stone production process activities. In addition, this study aims to determine the most dominant risk controls and provide suggestions for controlling work accident factors in the natural stone production process. Therefore, this study uses the HIRARC (Hazard Identification Risk Assessment and Risk Control) method, which is a method for determining potential hazards that occur, knowing risk assessment to determine risk levels and knowing risk controls to reduce the occurrence of work accidents. The results of calculations using the HIRARC and 5W + 1 H methods show that there are 6 cases of potential hazards recorded at PBA Surya Alam with each risk, namely 6 cases of potential hazards with extreme risk, then as many as 8 potential cases hazard with high risk (high risk), as many as 5 cases of potential hazard with high risk. Whereas for the 5 W + 1 H method in the process of cutting Natural Stone from the results of observations and observations in the field making control proposals such as installing SOP signs at Natural Stone production stations so as a reminder when operators are working, safety controls for employees and safety helmets to minimize falling products (PPE), and controlling the use of gloves.
Identifikasi Keselamatan Dan Kesehatan Kerja Menggunakan Metode Hazop Dan Bowtie Pada PT Alis Jaya Ciptatama Thegar Gilang Rachmawan; Widya Setiafindari
Jurnal Kendali Teknik dan Sains Vol. 1 No. 4 (2023): Oktober : Jurnal Kendali Teknik dan Sains
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jkts-widyakarya.v1i4.1114

Abstract

The purpose of this study is to find out what are the most dominant work accidents, what are the impacts that occur from work accidents, as well as appropriate risk control adventures for work accidents due to 13 work accidents in 2021 to 2023 which cause a loss of 33 working hours day at PT Alis Jaya Ciptatama. The method used is the Hazard And Operability Study (HAZOP) method and Bowtie analysis to identify potential occupational safety and health hazards by limiting the probability criteria in quantitative and consequence calculations and analyzing the risk path from cause to consequence using a bowtie diagram. The results obtained are that the highest activity is in activity code 3b with an LI value of 38.3, then in the smallest activity code 2a with an LI value of 10. The risks that occur fall into the high, medium, and low severity categories, so the warning given What is given is to install machine guards and ensure the operator has qualified machine usage skills.
Analisis Kelayakan Finansial Dalam Peningkatan Kapasitas Kandang Di Usaha Peternakan Ayam Broiler Andien Recha Anggardha; Widya Setiafindari
Jurnal Universal Technic Vol. 2 No. 2 (2023): Oktober : Jurnal Universal Technic
Publisher : Fakultas Teknik Universitas Maritim AMNI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58192/unitech.v2i2.1258

Abstract

The Broiler Chicken business owned by Andien, belonging to Mrs. Tri Winarti, initially operated with a capacity of 12,000 chickens and planned to expand to 24,000 chickens. This study aims to assess the sustainability of the development of Andien's Broiler Chicken farm to 24,000 chickens from a financial perspective. Financial analysis was conducted through calculations of Net Present Value (NPV), Benefit Cost Ratio (BCR), Internal Rate of Return (IRR), and Payback Period (PP). From the calculation results, it can be concluded that the expansion of Andien's Broiler Chicken business from 12,000 chickens to 24,000 chickens is a viable step based on the scenario calculations. The Payback Period (PP) is 1.31 periods, indicating a quick payback of investment as PP is less than 12 periods. The calculation results show an NPV value of Rp 4,936,714,867 using a 6% discount rate (based on the 2023 BRI KUR interest rate), and if using a 7% discount rate (based on the 2023 Mandiri KUR interest rate), the NPV would be 4,633,045,331. The presence of a positive NPV indicates the viability of this business development. The calculated IRR value reaches 22.26%, exceeding the 6% discount rate. The feasibility of the business is also supported by a BCR value of 1.09, where a ratio above 1 indicates the viability of the business.
USULAN PERBAIKAN KUALITAS PADA SARUNG TANGAN GOLF LOTUS MENGGUNAKAN METODE STATISTICAL QUALITY CONTROL DAN 5W+1H Nandar ismail; Widya Setiafindari
Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer Vol 3 No 2 (2023): Juli
Publisher : Sekolah Tinggi Ilmu Ekonomi Trianandra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/juritek.v3i2.1714

Abstract

Pengendalian kualitas adalah salah satu kegiatan mengukur dan mengawasi yang dilaksanakan mulai dari pemrosesan bahan, tahap produksi hingga produk jadi. Diketahui bahwa jumlah produk cacat pada CV XYZ periode Juli 2022 - Februari 2023 adalah sebesar 8,42% atau sebanyak 33.903 pcs. Oleh karena itu, tujuan dari penelitian ini adalah untuk mengetahui faktor-faktor penyebab kecacatan produk dan menyusun strategi perbaikan yang tepat untuk meminimasi kecacatan produk. Metode analisis pengendalian kualitas yang digunakan adalah metode statistical quality control dan metode penentuan faktor-faktor penyebab kegagalan produk, yaitu metode 5W+1H. Menurut pengolahan data, faktor utama penyebab kecacatan produk adalah faktor manusia, yaitu ketidakpatuhan terhadap SOP yang berlaku, kelalaian, dan ketergesa-gesaan. Faktor metode yaitu penggunaan teknik jahit yang berbeda. Faktor material yaitu penggunaan bahan baku yang kurang berkualitas seperti kulit atau benang. Faktor mesin yaitu kurangnya intensitas dan kontrol perawatan serta jumlah teknisi perawatan mesin yang kurang memadai. Selain itu, strategi perbaikan yang diusulkan, yang dapat diterapkan dengan memperbarui standart of production (SOP), mencakup pemilihan bahan baku atau metode penjahitan dan pengendalian proses penjahitan, produksi, pelaksanaan program pengembangan karyawan, dan tinjauan berkelanjutan. dengan melakukan inspeksi di seluruh tahap produksi dan pada mesin-mesin produksi. Pengolahan bahan baku sesuai dengan standar perusahaan. Kata kunci: Pengendalian Kualitas, Kualitas, Pengendalian Kualitas Statistik, 5W+1H.
UPAYA PENINGKATAN KUALITAS PRODUK ENGINE PULLEY YST PRO MENGGUNAKAN METODE SEVEN TOOLS DAN KAIZEN FIVE M CHECKLIST DI PT MITRA REKATAMA MANDIRI Anggi Riska Devi; Widya Setiafindari
Jurnal Ilmiah Teknik Mesin, Elektro dan Komputer Vol 3 No 2 (2023): Juli
Publisher : Sekolah Tinggi Ilmu Ekonomi Trianandra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51903/juritek.v3i2.1743

Abstract

PT Mitra Rekatama Mandiri merupakan perusahaan foundry yang memproduksi Engine Pulley Yst Pro. Pada Januari 2023 hingga Februari 2023, Engine Pulley Yst Pro memiliki tingkat kecacatan sebesar 6,4% yang berada di atas target cacat maksimum perusahaan sebesar 3% sehingga memerlukan pengendalian. Studi ini bertujuan guna mengendalikan kualitas untuk mengurangi jumlah produk cacat pada Engine Pulley Yst Pro. Metode seven tools dan five M checklist digunakan sebagai alat kontrol kualitas dengan menggunakan (Check Sheet, Stratification Chart, Histogram, Scatterplot, Control Chart, Pareto Chart, Fishbone Chart) untuk mengidentifikasi akar penyebab cacat kemudian memberikan saran perbaikan. Berdasarkan hasil penelitian ada 3 jenis cacat yakni cacat keropos, cacat rantap, dan cacat bentuk tidak sesuai dengan total cacat sebanyak 899 cacat. Diagram Pareto menunjukkan jenis deffect yang paling banyak yaitu rantap dengan persentase 43% sejumlah 386 unit. Penyebab keropos adalah manusia, material, metode dan lingkungan. Rantap disebabkan oleh manusia, material, metode, mesin, dan lingkungan. Penyebab bentuk tidak sesuai adalah manusia, metode, mesin, dan lingkungan. Berdasarkan akar permasalahan tersebut, dilakukan perbaikan menggunakan Five M Checklist yang menitik beratkan pada perbaikan pada 5 akar permasalahan yaitu manusia, metode, material, mesin, dan lingkungan yang terlibat dalam proses pembuatan produk Engine Pulley Yst Pro. Kata kunci: Engine pulley, five m checklist, pengendalian kualitas, seven tools.
Penerapan Metode Six Sigma dalam Upaya Mengurangi Cacat pada Produk Cap Flip Top Okta Tri Wulandari; Widya Setiafindari
STRING (Satuan Tulisan Riset dan Inovasi Teknologi) Vol 8, No 1 (2023)
Publisher : Universitas Indraprasta PGRI Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30998/string.v8i1.16562

Abstract

PT X is a company engaged in manufacturing bottle caps such as cap flip top ?50-8 white snap on products. In the production process at PT X in August 2022, there is a problem related to the level of defects in the cap flip top ?50-8 white snap products which increases and exceeds the regulatory limit (5%), reaching 10% or 65,707 units of the total production of 658,000 units. Based on the problem of the high percentage of defects, it is necessary to carry out a quality control using six sigma to determine the level of defects that occur, to look for factors affecting the highest defects and to provide suggestions for improvements. From the results of the analysis using six sigma, it is found that the highest level of defects, namely the type of black spot defects, is 45,413 pcs with a percentage of 69.11% and the average sigma value obtained is 3,022. Next, the results of the fishbone diagram   analysis show that the factors causing black spot defects are machines, materials, humans, media, and methods. From each of these causal factors, improvement can be given using 5W + 1H to reduce black spot defects that occur in the cap flip top ?50-8 white snap on in the next production process.
Pengendalian Kualitas Menggunakan Metode Seven Tools Dan Kaizen Produk Polypropylene Pada PT KMPI I Komang Dartawan; Widya Setiafindari
Jurnal Teknik Mesin, Industri, Elektro dan Informatika Vol. 2 No. 2 (2023): Juni : JURNAL TEKNIK MESIN, INDUSTRI, ELEKTRO DAN INFORMATIKA
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/jtmei.v2i2.1861

Abstract

PT KMPI is an industrial company that produces textiles and plastics, including plastic products made of polypropylene (PP). The problem that occurs in PT Kusuma Mulia Plasindo Infitex is the quality of the products that still have defects, based on the results of the analysis in February 2023 with a total production of 76,596 kg there are rejects data of 4,695 kg and the percentage of product defects that occur is 6.1%. The objective of this study is to determine the predominant types of defects that influence the factors that cause defects. This study uses the seven tools method to find the root cause of the problem to be solved, as well as the Kaizen Five-M checklist and the Kaizen Five Step Plan to suggest improvements to the company. Based on the results of data processing, there are three types of defects, namely wrinkle defects with a percentage of 43% for a total defect of 2039 kg, medium wrinkle defects with a percentage of 45% for a total defect of 2094 kg, and thick-thin defects with a percentage of 12% for a total defect of 562 kg. From the fishbone diagram, it can be seen that the occurrence of defects is caused by several factors, namely people, materials, methods and machines. Suggested improvements using the Kaizen Five-M checklist analysis are training and monitoring of production, implementation of SOPs (Standard Operating Procedures) established by the company, such as dosing the mixture of plastic seeds with addictive substances at a ratio of 25 Kg. 1 oz. and Kaizen management control: 1 Ons and Kaizen five-step plan management controls, namely Seiri, Seiton, Seiso, Seiketsu, Shitsuke. This includes pre-job briefings and periodic assessments, and the establishment of standard operating procedures for the supervision of single-table melting machines with a melting temperature of 160-166oC.
Upaya Pengendalian Mutu Produk Menggunakan Metode Statistical Process Control Dan 5W+1H Di PT. Mitra Rekatama Mandiri Mella Wulandari; Widya Setiafindari
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 2 No. 3 (2023): Agustus : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v2i3.2341

Abstract

PT Mitra Rekatama Mandiri is an industrial foundry that makes metal products. The problem that occurs in the company is related to the quality of products that are still experiencing defects with the percentage of defects reaching 5.6% during February-March 2023. The research conducted aims to identify the dominating errors in the fabrication process, determine the factors that cause product defects. The methods applied are Statistical Process Control and 5W + 1H to be able to analyze problems related to product quality control. Based on the results of the study, there were 3 types of defects, namely 52% lossal defects, 30% porous, and 17% lossal defects. The results of the fishbone diagram are known factors that cause defects, namely human factors, methods, materials, machines.
Minimasi Biaya Produksi Roda Karet R 300 Dengan Metode Forecasting dan Agregat Planning Pada Cv Baja Makmur 2 Dimas Ihza Mahendra; Widya Setiafindari
Jurnal Penelitian Rumpun Ilmu Teknik Vol. 2 No. 4 (2023): November : Jurnal Penelitian Rumpun Ilmu Teknik
Publisher : Pusat Riset dan Inovasi Nasional

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55606/juprit.v2i4.2497

Abstract

CV Baja Makmur 2 is a company engaged in metal casting, one of the products produced by the company is a rubber wheel product where rubber wheel products have several types including R 100, R150, R 300, R 500, R750, and R 1000. In wheel production R 300 rubber found a problem where the average level of production was around 979 pcs higher compared to the average demand of only 940 pcs, this could cause an increase in production costs incurred by the company. The purpose of this research is to minimize the production cost of R 300 rubber wheels for the next 12 months, using the Forecasting method to predict the number of requests and Aggregate Planning to minimize production costs. The results of this study indicate that the Forecasting method using ARIMA obtained the best model (0,1,1) with an MSE value of 40969.4. In the Aggregate Planning method using the Level Method the minimum production cost for the next 12 periods is around Rp 258.802.500.
Analisis Pengendalian Persediaan Bahan Baku Kacang Koro pada Produk Abon Menggunakan Metode Economic Order Quantity dan Desain Kemasan di UMKM Surya Abon Rahmad Fauzi; Riky Ardiyanto; Roni Andika; Widya Setiafindari
Jurnal Riset dan Inovasi Manajemen Vol. 2 No. 2 (2024): Mei: Jurnal Riset dan Inovasi Manajemen
Publisher : Universitas Katolik Widya Karya Malang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59581/jrim-widyakarya.v2i2.3143

Abstract

This research aims to produce compatibility between the policies of Abon Surya with the Economic Order Quantity raw material control method, namely the purchase quantity of the Abon Surya policy has an average purchase of 770 kg, for the frequency of purchasing raw materials for jack beans 5 times, for security and point supplies. There is no reordering policy with a total inventory cost of IDR 251,640. Meanwhile, the EOQ method has an average purchase of 1,313 kg. the purchase frequency is only 3 purchases, the security inventory is 90 Kg and the number of reorders is 204 Kg with a total cost of inventory required of IDR 173,254. The cost difference between Abon Surya and the EOQ method is IDR 78,386,417. This shows that there is a saving or reduction in the total cost of inventory needed if Abon Surya can implement the EOQ raw material control method. Apart from that, the packaging used at UMKM Surya Abon for shredded products still uses transparent plastic with stickers, which is less attractive to buyers. Therefore, a new design is needed to attract more buyers.
Co-Authors A Dandi Setiawan Afwan Anggara Afwan Anggara Agung Joko Prasetyo Agustinus Andrie Prasetyo Ahmad Luqmanul Farras Ahmad Suhaimi Ahmad Zada Hilmi Syifa Aldi Yoga Pradana Alex Alfandianto Alex Alfandianto Alfiansyah Alfiansyah Anfitra Akhsel Arya Putra Ramadhan Angga Revoma Putra Anggi Riska Devi Anggi Riska Devi Anisa Rahma Hakiki Annisa Fitria Annisa Fitria Dandy Silva Dandy Silva Daniallabib Danu Fatrohim Deni Kurniawan Dewintari Meilin Sihombing Diaz Arjun Annolu Dicky Tri Sandyayuda Dicky Tri Sandyayuda Dimas Ari Nuryanto Dimas Ihza Mahendra Dwi Kurniawan Egga Jerri Indri Saputri Exsan Priadi Farah Yulvaniya Hanif Bima Al Farisi Hasbi Bachroni Hilman Adiatma Hilman Adiatma I Komang Dartawan Ibnu Afqah Arrauf Melian Iwan Eri Nuryanto Kuncoro Adhi Gautama Lulu Rahiba M. Septial Dafha Pratama Mardi Setyono Maria Eva Susanti Lelu Mella Wulandari Mohammad Faisal Nurfaizi, Mohammad Faisal Nurfaizi Muhammad Nastain Nalan Adha Ilan Ilahi Nandar ismail Natasya Dyah Maharani Noviana Salsabila Nuzul Eky Fachrezy Okta Tri Wulandari Purwo Budi Utomo Putra, Angga Revoma R. Akhmad Zakaria Nur Alim Radhinal Sa’id Riginianto Rahmad Fauzi Rajif Sihab Rebecca Angelina Silaen Recha Anggardha Resa Aulia Febriansyah Riky Ardiyanto Rizki Afif Pratama Rizky Saepulloh Rizqi Nurrahman Tri Sutrisno Rofi Kurniawan Roni Andika Salsabilla Kusumawardani Satria Adi Pamungkas Syahrul Hidayatullah Thegar Gilang Rachmawan Thegar Gilang Rachmawan Virgianto Utama Wahyu Hadi Sutiyono Wahyu Hadi Sutiyono Winda Nur Oktaviana Yohanes Anton Nugroho Yusuf Pratomo