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Sirait, Ganda
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ANALISIS PENERAPAN 5S PROSES PRODUKSI PADA UKM KERUPUK LATANSA Wulandari Ramadhani, Ringgie; Sirait, Ganda
Computer Science and Industrial Engineering Vol 12 No 4 (2025): Comasie Vol 12 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v12i4.9874

Abstract

UKM Kerupuk Latansa in Batam faces various challenges in its production process, including disorganized tool and material placement, a suboptimal working environment, and inefficient production time. These issues potentially lower productivity and product quality. This study applies the 5S method (Seiri, Seiton, Seiso, Seiketsu, and Shitsuke) to improve production efficiency and workplace organization. A quantitative approach was used, collecting data through direct observations, interviews, and work time measurements. The results show that after implementing 5S, the average cycle time decreased from 15.37 seconds to 13.82 seconds, and production output increased from 2,250 to 2,500 packs per month. In the Seiri stage, unnecessary items were removed from the workspace to create a cleaner and more comfortable working environment. Seiton was implemented by organizing production tools, such as impulse sealers, for easier access. Seiso involved routine cleaning of the workspace and equipment to prevent packaging defects. Seiketsu ensured standardized procedures for workplace cleanliness and organization. Finally, Shitsuke established a culture of discipline in maintaining cleanliness and order, with regular evaluations to sustain the 5S implementation. With a cleaner and more organized environment, employee comfort and productivity significantly improved.
ANALISIS PEMILIHAN SUPPLIER SPAREPART MOTOR PADA BENGKEL CV. AGUS MOTOR BATAM Sirait, Ripaldo; Sirait, Ganda
Computer Science and Industrial Engineering Vol 12 No 4 (2025): Comasie Vol 12 No 4
Publisher : LPPM Universitas Putera Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33884/comasiejournal.v12i4.9881

Abstract

Suppliers play an important role in providing quality products and in ensuring the availability of goods needed by the company. Supplier selection is a critical activity because the supplier will supply the company's raw materials in the long term so that it has a significant impact on the company's productivity. CV. Agus Motor is a motorcycle repair shop. The problems that often occur in CV. Agus Motor repair shops are delivery time, inconsistent quality, spare part prices, and warranties. This study aims to determine the right supplier of manual or automatic motorcycle chains at CV. Agus Motor. The methods used in this study are Analytical Hierarchy Process (AHP) and Topsis. From this study, the results obtained The most optimal supplier based on the calculation of the AHP method which is the first priority is the Cahaya Motor Batam supplier with a weight value of 0.603 and a percentage of 60.30%, the Surya Mega Teknik supplier is the second priority with a weight value of 0.232 and a percentage of 23.2%, and the Sarana Motor supplier is the third priority with a weight value of 0.164 and a percentage of 16.4%. And with the TOPSIS method, the first priority is Supplier Cahaya Motor Batam is a superior alternative with a value of 1,000, Supplier Surya Mega Teknik is the second priority with a value of 0.092, and Supplier Sarana Motor as the third priority with a value of 0.089. Therefore, the first alternative is selected, namely Cahaya Motor Batam to become a supplier for CV. Agus Motor.
PENINGKATAN KUALITAS PRODUK PADA PROSES ASSEMBLY Sirait, Ganda; Banjarnahor, Haposan; Simanjuntak, Jontro
JURSIMA Vol 12 No 3 (2025): Volume 12 Nomor 3 2025
Publisher : INSTITUT TEKNOLOGI DAN BISNIS INDOBARU NASIONAL

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47024/js.v12i3.1198

Abstract

Abstrak Penelitian ini bertujuan untuk mengindentifikasi akar masalah dan penerapan meningkatkan kualitas produk CG200 dengan fokus pada proses perakitan. Data awal yang diperoleh dari bagian pengendali kualitas ditemukan bahwa beberapa reject produk seperti kesalahan penyambungan kabel, pemasangan baut tidak sesuai torsi dan ketidaksesuaian posisi komponen terjadi di bagian assembly. Metode yang digunakan dalam penelitian ini meliputi pengamatan, wawancara, dan melakukan analisis pendekatan PDCA (Plan, Do, Check, Act). Hasil dari penelitian ini menyampaikan bahwa setelah dilakukan perbaikan prosedur dan pelatiahn teknis, berhasil melakukan pengurangan jumlah cacat sebesar 21,5% dalam waktu 3 bulan. Dengan demikian, perbaikan system perakitan dapat meningkatkan kualitas dan efisiensi produksi pada produk tersebut. Kata kunci: Pengendalian Kualitas, Process Assembly, Cacat Produksi, PDCA.
Co-Authors Ade Gunawan Alqodri, M. Rido ALUMAN MANURUNG, KEVIN anto, juni Firmansyah, Ikhsan Gea, Wirafransiskus Gulo, Darianus Haposan Banjarnahor Harahap, Ummi Kalsum Hindarwan, Rizky Hutapea, Bitson Nerpandi Ilham Kurniawan Jontro Simanjuntak, Jontro Lumban Tungkup, Fairizal Meyfiana, Della Miranda, Canda Muhammad Ilham Muhammad Zulkarnain Noerrohman, Dendi Oktavia, Yunisa Pakpahan, Sopian Pandiangan, Holipman Pangaribuan, Hotma Prasetyo, Bahariandi Aji riko, suhen suhen Santi Siahaan SAPRISUL Saputro, Joko Siahaan, Bobby Bernard Siburian, Marben Simanjuntak, Fery Simatupang, Ricky Perdana Sirait, Ripaldo Sisnandar, Mochamad Triadi Sitindaon, Putra Januara Sitohang, Sunarsan Sumantika, Arsyad Tambunan, Yopi Partomuan Tarigan, Elsya P.L. valen, Kevin siambaton Warman, Ricky Wawan Irawan, Wawan Wulandari Ramadhani, Ringgie Zamri