SITEPU, SUCI OKTAVILIA (2018) PENINGKATAN EFFISIENSI PADA LINI INNER LINER ASSEMBLY DI PT XYZ DENGAN METODE RANKED POSITIONAL WEIGHT, METODE REGION APPROACH DAN METODE LARGEST CANDIDATE RULES. S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
PT XYZ is one of the company which refers to electronic industries sector. The problem which faced by this company is unbalance of the production line which is caused by the unequal of work responsibility distribution in each work station. This problem caused the performance of line balance doesn’t work properly. To solve this problem we need to do the line balancing of production line. It can be done by line balancing method that assigns a number of work which is related in one production line until each work station has efficient time which is not more than the cycle time of the work station. Line balancing method that used is heuristic method which is devided into ranked positional weight method, large candidate rule method, and region approach method. From those three heuristic method that used as solution of line balancing, the best method is ranked positional weight method. Line efficiency increase into 70,00% from 50,00% at the beginning condition. Balance delay decrease into 30,00% from 50,60% at the beginning condition. The smoothness index descreased into 104,84s from 192,33s at the beginning condition. Key Words : line balamcing, line performance, heuristic methode PT XYZ merupakan salah satu perusahaan yang bergerak di bidang industri elektronik. Masalah yang dihadapi perusahaan adalah adanya ketidakseimbangan di lintasan produksi akibat ketidakmerataan pembagian beban kerja di setiap stasiun kerja. Hal ini menyebabkan performansi keseimbangan lintasan (line performance) menjadi kurang baik. Untuk menyelesaikan permasalahan ini perlu dilakukan penyeimbangan lintasan produksi. Hal ini dapat dilakukan dengan metode line balancing yaitu metode penugasan sejumlah pekerjaan yang saling berkaitan dalam satu lintasan produksi sehingga setiap stasiun kerja memiliki waktu yang tidak melebihi waktu siklus dari stasiun kerja tersebut. Metode line balancing yang digunakan adalah metode heuristik yang terdiri dari: metode bobot posisi (Ranked Positional Weight), metode pembebanan berurut (Large Candidate Rule), dan metode pendekatan wilayah (Region Approach). Dari ketiga metode Heuristik yang digunakan sebagai solusi penyeimbangan lintasan, didapat metode terbaik yaitu metode bobot posisi (Ranked Positional Weight). Nilai efisiensi lintasan (line efficiency) meningkat menjadi 70,00% dari 50,00% pada kondisi awal. Nilai keseimbangan waktu senggang (balance delay) turun menjadi 30,00 % dari 50,60 % pada kondisi awal. Nilai smoothness index juga turun menjadi 104.84 detik dari 192.33 detik pada kondisi awal. Kata Kunci: keseimbangan lintasan, performasi lintasan, metode heuristic
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