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Rusmalah
Universitas Pamulang
Industrial & Manufacturing Engineering

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PENERAPAN PENGENDALIAN KUALITAS PRODUK JENDELA ALUMUNIUM DENGAN METODE SIX SIGMA DI PT YKK AP INDONESIA Rusmalah; Ismi Mashabai
Jurnal Industri dan Teknologi Samawa Vol 4 No 2 (2023): JITSA
Publisher : Program Studi Teknik Industri Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36761/jitsa.v4i2.3357

Abstract

PT. YKK AP Indonesia is a company that produces aluminum sills for apartments, housing, hotels, malls, and offices. Its main products are extruded aluminum finished goods in the form of windows, doors, and curtain walls, apart from storefront aluminum bar profiles. The problem at PT YKK AP Indonesia is a large number of defects in aluminum window products. It can be seen that the types of defects are dominated by scratch defects that exceed the level of disability, which is 2.83%, where the defect limit is 2%. With the high defects in the product, the researchers focused on repairs on the highest cause of damage to aluminum window products, namely scratch defects to measure and carry out quality improvements to reduce them by using DMAIC (Define, Measure, Analyze, Improve, Control) on Six Sigma. This method is relevant to find out the factors that cause the biggest defective products so that corrective action can be taken as soon as possible to reduce the number of defective products. Based on the results of quality measurements on six sigma products using DMAIC calculations, an average DPMO value of 8,748.937 was obtained with an average sigma value of 3.88 sigma, which is at the sigma level of Indonesian companies. However, this value still has the opportunity to be increased to reach a value of 6 sigmas or achieve zero defects on par with world-class industries. The repair strategy is carried out by implementing preventive maintenance and repairing worn machine parts, adding protection to aluminum windows, and adding light to the production area.
Perencanaan Produksi Cairan Pembersih Dengan Metode Rata-rata Bergerak dan Pemulusan Eksponensial Ruspendi; Rusmalah; Patria Adhistian
Jurnal Industri dan Teknologi Samawa Vol 5 No 1 (2024): JITSA
Publisher : Program Studi Teknik Industri Universitas Teknologi Sumbawa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36761/jitsa.v5i1.3878

Abstract

Laboratories that are quite productive in designing and developing products that have been made and marketed on an internal scale include floor cleaning liquid, hand washing liquid and dish washing liquid. It's just that most of the products are produced based on customer orders or make to order. So when there are orders in large quantities, customers have to wait a little, between two and three days, because cleaning fluid products have to be produced first. The estimated need for Handsoap products is 49 liters, floor cleaning fluid is around 75 liters, dishwashing liquid is estimated at 81 liters by testing the forecasting method, the forecasting method that should be used as a basis for decision making is used to estimate the need for Handsoap products using the 4-month moving average method. The forecasting method for estimating the need for floor cleaning fluid products is the exponential smoothing method ? = 0.2. And the forecasting method for estimating the need for dishwashing liquid products is the exponential smoothing method ? = 0.2 which has a relatively smaller error value compared to other models.
Co-Authors Ismi Mashabai Patria Adhistian Ruspendi