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Identification of Production Decline Factors using the LEAN DMAI Method Ika Widya Ardhyani; Sherly Ardhya Garini; Fitri Suhartiningrum; Qurrota Akyun
Jurnal Ilmiah Teknik Industri Vol. 22, No. 1, June 2023
Publisher : Department of Industrial Engineering Universitas Muhammadiyah Surakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23917/jiti.v22i1.20013

PT Himalaya Mitra Sukses, is a company engaged in the cooking seasoning and flavoring industry. The products produced include tomato sauce, chili sauce, and premix flour. The company has problems achieving less than optimal productivity, which later became the basis of this research. In this research, identification of waste that occurs in the production process using the Lean DMAI method. The data in this research were processed and analyzed based on 4 main stages: (1) Big Picture Mapping (BPM); (2) making Pareto Diagrams; (3) Root Cause Analysis (RCA); (4) the Failure Mode Effect and Analysis (FMEA) method to reduce the existing waste. Based on the results of the research, it is known that the types of waste identified are overproduction, defects, waiting processes, unnecessary inventory, and excess displacement. Of these many factors, the largest waste is caused by the defect factor of the tomato sauce type product which is runny and too acidic, because the operator does not follow the existing SOP with an RPN value of 392.

Penerapan Koefisien Aliran untuk Mendukung Budidaya Tanaman Bernilai Ekonomi Tinggi (Studi Kasus: Kwanyar Bangkalan, Indonesia) Widya Utama; Anicetus Wihardjaka; Nourma Al Viandari; Dwa Desa Warnana; Wien Lestari; Eki Komara; Sherly Ardhya Garini; Rista Fitri Indriani; Dhea Pratama Novian Putra; Annisa R. Varhana
Jurnal Penelitian Pendidikan IPA Vol. 9 No. 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.3307

The initial study that we carried out regarding the Kwanyar sub-district area, Bangkalan, East Java, shows the need to optimize land productivity and analyze the potential for farming to build the welfare of the people of the Kwanyar subdistrict. Preliminary spatial data analysis related to the topography as a result of Digital Elevation Model (DEM) data processing shows that: the Kwanyar sub-district is dominated by flat slopes (0-8Â°) compared to the northern region of the Kwanyar sub-district, while runoff water analysis shows a low flow coefficient (0- 0.25) which means that most of the Kwanyar area has low absorption capacity and a high potential for stagnant water. In addition, the Kwanyar region has a Regosol soil type. Regosol soil has a coarse texture and low organic matter, which makes it unable to properly hold water and minerals for plants, so it tends to be infertile. The initial study then became the basis for this research.

Penerapan Koefisien Aliran untuk Mendukung Budidaya Tanaman Bernilai Ekonomi Tinggi (Studi Kasus: Kwanyar Bangkalan, Indonesia) Widya Utama; Anicetus Wihardjaka; Nourma Al Viandari; Dwa Desa Warnana; Wien Lestari; Eki Komara; Sherly Ardhya Garini; Rista Fitri Indriani; Dhea Pratama Novian Putra; Annisa R. Varhana
Jurnal Penelitian Pendidikan IPA Vol 9 No 9 (2023): September
Publisher : Postgraduate, University of Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jppipa.v9i9.3307

The initial study that we carried out regarding the Kwanyar sub-district area, Bangkalan, East Java, shows the need to optimize land productivity and analyze the potential for farming to build the welfare of the people of the Kwanyar subdistrict. Preliminary spatial data analysis related to the topography as a result of Digital Elevation Model (DEM) data processing shows that: the Kwanyar sub-district is dominated by flat slopes (0-8Â°) compared to the northern region of the Kwanyar sub-district, while runoff water analysis shows a low flow coefficient (0- 0.25) which means that most of the Kwanyar area has low absorption capacity and a high potential for stagnant water. In addition, the Kwanyar region has a Regosol soil type. Regosol soil has a coarse texture and low organic matter, which makes it unable to properly hold water and minerals for plants, so it tends to be infertile. The initial study then became the basis for this research.

OPTIMALISASI KUALITAS PRODUK DENGAN PENDEKATAN METODE DMAI DALAM PENERAPAN SIX SIGMA PADA PT. RM Dony Perdana; Ika Widya Ardhyani; Wiji Lestariningsih; Sherly Ardhya Garini
JISO : Journal of Industrial and Systems Optimization Vol. 7 No. 2 (2024): Desember 2024
Publisher : Universitas Maarif Hasyim Latif

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51804/jiso.v7i2.84-93

ABSTRAK Kebutuhan mendesak terkait optimalisasi kualitas produk dan daya saing suatu perusahaan di tengah persaingan pasar yang ketat menjadi alasan utama dilakukan penelitian ini. Tingginya tingkat cacat dan kerusakan produk berdampak pada peningkatan biaya produksi, rusaknya reputasi perusahaan serta turunnya kepuasan pelanggan. Untuk mengatasi masalah ini, penelitian menerapkan metode Six Sigma dengan pendekatan DMAI (Define, Measure, Analyze, Improve) pada PT. RM, sebuah perusahaan patungan Jepang-Indonesia di industri furnitur. Hasil dari tahap define mengidentifikasi cacat utama, yaitu pecah V-Cut 49% dengan persentase 49% dari total cacat. Tahap measure menunjukkan tingkat cacat produk melebihi target optimal, dengan DPMO sebesar 47.667 dan nilai sigma rata-rata 3,2. Melalui tahap analyze, ditemukan faktor utama penyebab cacat, yakni ketidaksesuaian proses pemotongan, kebersihan material, dan kurangnya kontrol kualitas. Solusi pada tahap improve mencakup perbaikan prosedur kerja, pelatihan karyawan, dan pemeliharaan rutin mesin. Hasil penelitian diharapkan mampu mengurangi frekuensi cacat produk, meningkatkan efisiensi operasional, dan memperkuat daya saing PT. RM di pasar domestik maupun internasional, serta mendukung keuntungan jangka panjang bagi perusahaan ABSTRACT The urgent need to optimize product quality and a company’s competitiveness amid intense market competition is the primary motivation for this research. High defect and damage rates increase production costs, damage the company’s reputation, and reduce customer satisfaction. To address this issues, this study applies the Six Sigma methodology using the DMAI (Define, Measure, Analyze, Improve) approach at PT RM, a Japanese-Indonesian joint venture in the furniture industry. In the define stage, the main defect identified was V-Cut breakage, accounting for 49% of total defects. The measure stage revealed that the product defect rate exceeded the optimal target, with a DPMO of 47,667 and an average sigma value of 3.2 The analyze stage identified inconsistencies in the cutting process, material cleanliness issues, and inadequate quality control as the primary causes of defects. To address these problems, the improve stage proposed solutions such as refining work procedures, conducting employee training, and implementing routine machine maintenance. The study’s findings are expected to reduce product defect frequency, enhance operational efficiency, and strengthen PT RM's competitiveness in domestic and international markets, ultimately supporting the company’s long-term profitability.

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