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Ossa Sutaarga
Universitas Muhammadiyah Tangerang
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ANALISIS PEMBAGIAN WAKTU KEDATANGAN SUPPLIER PADA INDUSTRI KOMPONEN OTOMOTIF Ossa Sutaarga; Dian Friana Hidayat
Journal Industrial Manufacturing Vol 3, No 2 (2018): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v3i2.858

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisa bottleneck yang terjadi saat jam sibuk, agar dapat memberikan masukan atau saran dalam pembagian kedatangan supplier. Tahapan analisa yang dilakukan pertama kali yaitu membuat penjadwalan dalam aktivitas pengamatan, setelah itu melakukan pengamatan terstruktur sesuai dengan jadwal yang sudah dibuat sebelumnya, lalu setiap supplier yang datang akan di record sesuai dengan zona waktu tertentu. Hasil pengamatan penelitian ini diketahui bahwa terjadinya bottleneck terjadi karena jumlah rata-rata kedatangan supplier paling banyak berada di zona waktu 10.00-11.00 yaitu sebanyak 4-5 kali, dan sebanyak 3-4 kali pada zona waktu 14.00-15.00. Jika dibandingkan dengan zona waktu 08.00-09.00 dan 09.00-10.00 maka hasilnya cukup signifikan yaitu hanya 1-2 kali di jam tersebut. Waktu pelayanan yang dibutuhkan setiap kedatangan supplier adalah 20 menit, sehingga pada waktu 10.00-11.00 waktu pelayanan yang terjadi adalah 80 hingga 100 menit, dan pada waktu 14.00-15.00 adalah 60 hingga 80 menit. Kata Kunci : Kedatangan supplier, bottleneck, just in time
PERANCANGAN SISTEM MANAJEMEN GUDANG MATERIAL RESIN DI PT. II Ossa Sutaarga; Dian Friana Hidayat
Journal Industrial Manufacturing Vol 3, No 1 (2018): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v3i1.616

Abstract

Management system at Resin warehouse in PT II still has many problems within. Improvement in management system needs to be done to overcome that problem. The difference between actual product’s amounts and the record, unscheduled planning production, and unorganized warehouse layout are the problem of this company. Improvement for the record of actual product inside warehouse isn’t to match the record of administration record. This process would be necessary to reduce the gap in stock opname process. MPS can be use to determine the ideal time and the ideal amount of total production for company, so that the inventory cost could be reduced. And then maximal capacity at Resin warehouse increase to 270% and increase the area until 26% squaremeter. Inventory turn over in the warehouse became better. The day sale in inventory was reduced from 17 days to 16 days.
ANALISIS PEMBAGIAN WAKTU KEDATANGAN SUPPLIER PADA INDUSTRI KOMPONEN OTOMOTIF Ossa Sutaarga; Dian Friana Hidayat
Journal Industrial Manufacturing Vol 3, No 2 (2018): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v3i2.828

Abstract

Tujuan dari penelitian ini adalah untuk mengetahui dan menganalisa bottleneck yang terjadi saat jam sibuk, agar dapat memberikan masukan atau saran dalam pembagian kedatangan supplier. Tahapan analisa yang dilakukan pertama kali yaitu membuat penjadwalan dalam aktivitas pengamatan, setelah itu melakukan pengamatan terstruktur sesuai dengan jadwal yang sudah dibuat sebelumnya, lalu setiap supplier yang datang akan di record sesuai dengan zona waktu tertentu. Hasil pengamatan penelitian ini diketahui bahwa terjadinya bottleneck terjadi karena jumlah rata-rata kedatangan supplier paling banyak berada di zona waktu 10.00-11.00 yaitu sebanyak 4-5 kali, dan sebanyak 3-4 kali pada  zona waktu 14.00-15.00. Jika dibandingkan dengan zona waktu 08.00-09.00 dan 09.00-10.00 maka hasilnya cukup signifikan yaitu hanya 1-2 kali di jam tersebut. Waktu pelayanan yang dibutuhkan setiap kedatangan supplier adalah 20 menit, sehingga pada waktu 10.00-11.00 waktu pelayanan yang terjadi adalah 80 hingga 100 menit, dan pada waktu 14.00-15.00 adalah 60 hingga 80 menit.Kata Kunci : Kedatangan supplier, bottleneck, just in time.
ANALISIS PENGENDALIAN KUALITAS KOPIKO CAPPUCINO MENGGUNAKAN METODE SIX SIGMA DMAIC PADA AREA DEPOSITOR DI PT MAYORA INDAH TBK Ossa Sutaarga; Farid Amiza
Journal Industrial Manufacturing Vol. 10 No. 2 (2025): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v10i2.14812

Abstract

Mayora Indah Tbk is a company that produces various kinds of processed foods and beverages, one of which is Kopiko Cappuccino. Problems that arise in the production process still produce defective products, one of which is in the depositor work area. One method that can be used is to use the DMAIC method, the selection of the DMAIC method because many studies have proven that the DMAIC method can reduce DPMO and increase the production sigma level. From the data obtained from January to March 2025, there are three main types of defects in Kopiko Cappuccino products, namely nude sepet defects, incomplete nude defects, and double nude defects as much as 83.18% of the total defects that occur. These three types of defects are analyzed using a fishbone diagram with five main factors, namely machines, humans, materials, environment, and methods. Before the improvement, the DPMO value was 3620 for one million production, the sigma level was 4.18. Methods to control product defects in the depositor section include conducting improvement activities, creating a training schedule for workers, maintaining and repairing machines, creating depositor control forms, maintaining work area cleanliness, improving product monitoring, and modifying equipment. After improvements in June 2025, the sigma value was 4.34 and the DPMO was 2247.
USULAN PERBAIKAN KUALITAS LAYANAN DENGAN METODE SERVQUAL DAN IMPORTANCE PERFORMANCE ANALYSIS (IPA) DI KAFE SG Hendra Pratama; Ossa Sutaarga; Bunga Rifdah Salsabill
Journal Industrial Manufacturing Vol. 11 No. 1 (2026): Journal Industrial Manufacturing
Publisher : Program Studi Teknik Industri Universitas Muhammadiyah Tangerang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31000/jim.v11i1.15986

Abstract

Based on weekly coffee sales data from March to May 2025, Café SG experienced a downward sales trend. Total sales declined from 1,612 cups in March to 1,222 cups in May, representing a cumulative decrease of 30.17%. This decline aligns with observations from Google Reviews, where Café SG (rating 4.5) ranks lower than nearby competitors (average rating above 4.7). The SERVQUAL analysis reveals a service quality gap of -2.33, indicating that Café SG’s service performance remains well below customer expectations. The Importance Performance Analysis (IPA) identifies three key priority areas requiring immediate improvement: (1) Staff initiative in offering more comfortable seating, (2) Staff proactiveness in asking about customer satisfaction with their orders, and (3) Assurance of customer safety and comfort. Improvements in these areas are expected to enhance customer satisfaction and help restore a positive sales trend. Keywords: Service Quality, Google Review, SERVQUAL, Importance–Performance Analysis. 
Co-Authors Bunga Rifdah Salsabill Dian Friana Hidayat Farid Amiza Hendra Pratama