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Putri, Isria Miharti Maherni
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Pengendalian Kualitas Produk Jadi Menggunakan Metode Six Sigma pada Line Machining Body Cover Di PT XYZ Ukasyah, Ukasyah; Andriani, Andriani; Putri, Isria Miharti Maherni
JURNAL TEKNIK INDUSTRI Vol. 5 No. 01 (2024): JURNAL TEKNIK INDUSTRI : MEI 2024
Publisher : DPPM UNIVERSITAS PELITA BANGSA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37366/jutin.v5i01.5061

Abstract

In this study, the problem of how to control the quality of PT XYZ in the line machining body cover is formulated. The purpose of this study is to analyze the quality control of the body cover line machining using six sigma. Six sigma is a method of product quality control and improvement techniques designed to achieve a very low level of defect in the manufacturing process. Then the DMAIC (Define, Measure, Analyze, Improve, and Control) stages are carried out. Define PT XYZ currently sets a maximum target of 0.7% defects, but the average number of defects in the machining body line is 2.1%. This really needs attention to be repaired to reduce defective products on the body cover machining line. After calculating the sigma level between March and May, the sigma value of the machining body cover production line was 4.0 with an average DPMO of 6970. From the results of the analysis using Pareto charts, there is 1 main cause, namely dirty and oily final products. The root of this problem can be seen using a cause-and-effect diagram, where there are several dominant factors, such as man machine and methode. In addition, the researcher analyzed using a process flow map, because the researcher felt that there was still a lot of waiting time for workers. Based on the analysis and calculation above, the researcher decided to make improvements, namely by adding a washing process so that the remaining coolant that is still attached to the product does not fall directly into the washing machine which causes a rapid decline in the quality of the washing air. The average sigma after the improvement in June was 4.5, which was an increase of 0.5 from before the improvement.
Analisis Beban Kendaraan Terhadap Kerusakan Perkerasan Lentur Di Jl. Akses Tol Karawang Timur Putri, Isria Miharti Maherni; Fitri Astuti, Retno; Ramadhan, Muhamad Reza Akbar
Journal on Education Vol 7 No 1 (2024): Journal on Education: Volume 7 Nomor 1 Tahun 2024
Publisher : Departement of Mathematics Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/joe.v7i1.7005

Abstract

Ruas Jl.Akses Tol Karawang timur merupakan Jalan yang berada di Kab.Karawang merupakan jalur yang sangat sibuk, sepanjang Jl.Akses Tol Karawang timur ini banyak dilalui oleh kendaraan berat karena jalan ini merupakan salah satu jalan yang terbuka untuk umum, kendaraan berat yang membawa muatan salah satunya ke pabrik pabrik yang ada di Karawang dan mobil lainnya yang melintas. Hal ini juga dapat yang berpotensi menjadi faktor penyebab rusaknya perkerasan jalan,kondisi fisik jalan di Jl.Akses Tol Karawang timur menjadi perhatian penting. Metode penelitian ini menggunakan pedoman dari Bina Marga Pd T-14-2003. Penelitian ini dilakukan selama 3 hari (Sabtu, Minggu, dan Selasa). Berdasarkan data lalulintas harian rata-rata (LHR) pada ruas Jl.Akses Tol Karawang Timur untuk kendaraan golongan I (sedan, oplet, dan pick up) dengan jumlah kendaraan sebanyak 10.579 unit, untuk golongan II (truk 2 gandar) berjumlah 1.285 unit, untuk golongan III (truk 3 gandar) berjumlah 649 unit, untuk golongan IV (truk 4 gandar) berjumlah 478 unit, dan untuk golongan V (truk 5 gandar) berjumlah 420 unit. Total LHR dari hasil analisa kendaraan 13.411 kendaraan/hari. Berdasarkan perhitungan faktor lalu-lintas kendaraan didapat nilai ESAL total sebesar 6.868,98 dan hasil perhitungan Truck Factor 2,4254 > 1, dimana nilai itu menunjukan bahwa kondisi kerusakan jalan yang ada dikarenakan beban kendaraan yang melintas pada ruas Jl.Akses Tol Karawang Timur ini mengalami beban berlebih (Over load). Faktor beban berlebih yang terjadi pada ruas Jl.Akses Tol Karawang Timur menyebabkan 3 Jenis kerusakan yaitu kerusakan lubang, kerusakan alur, dan kerusakan retak buaya.
Co-Authors Abdul Jabbar Al Abshor, Alif Hidayatullah Al Halik, Joyan Al Mahdi, Muhammad Arief Andriana, Sella Tri Andriani Andriani Anggodo, Jamas Siaga Ardiansyah, Jeri Eko Astuti, Retno Fitri DIANA NOVIANTY Fitri Astuti, Retno Halmar, Rifqi Fauzan Herol, Herol Jabbar, Abdul jabbar Lestari, Indah Fuzy Mela Sari, Mela Miarsono, Harry Muhlis, Muh. Nando, Setri Natasya, Alma Nugroho, Rifal Oktariyanto, Hendy Prasetyo, Sutrisno Aji Putri, Khoirunnisa Eriyana Ramadhan, Adam Uji Ramadhan, Muhamad Reza Akbar Ramadhan, Muhammad Reza Akbar Ramdan, Muhammad Retno Fitri Astuti Rizqi, Aisyah Nur Roheni, Siti Sakinah Sakinah Tri Ngudi Wiyatno Ukasyah, Ukasyah Warsiti Warsiti Yuliana, Eky Estyning Zaqy, Muhammad