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Windyatri, Hasyrani
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Reducing Downtime on Injection Molding Machines Using the Overall Equipment Effectiveness (OEE) Method at PT Mah Sing Indonesia Rakes, David; Windyatri, Hasyrani; Suhendra, Suhendra
Journal of Social Science Vol. 5 No. 4 (2024): Journal of Social Science
Publisher : Syntax Corporation Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46799/jss.v5i4.903

Abstract

In today's increasingly globalized industrial competition and rapid technological advancements, manufacturing companies strive to improve the quality and quantity of their products. However, intensive use and occasional overloading of machines can lead to decreased performance, shortened lifespan, and component failures. Machine failures not only cause costly downtime but also pose safety risks to workers. This study focuses on PT. Mah Sing Indonesia's efforts to optimize the injection molding process by addressing machine downtime through effective preventive maintenance strategies and comprehensive management approaches. Data collected over the course of 2023 highlights the application of Overall Equipment Effectiveness (OEE) metrics to evaluate machine performance and identify key areas for improvement. The findings underscore the significance of integrating human resources, technology, management practices, and environmental factors to enhance operational efficiency and productivity in injection molding processes.
Strategi Pemilihan Supplier Bahan Baku dalam Mendukung Peningkatan Kinerja UMKM Bananas Food Nida An Khofiyah; Juhaeni, Juhaeni; Yusuf Irfan; Supriyati, Supriyati; Windyatri, Hasyrani
ABDIKAN: Jurnal Pengabdian Masyarakat Bidang Sains dan Teknologi Vol. 4 No. 3 (2025): Agustus 2025
Publisher : Yayasan Literasi Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55123/abdikan.v4i3.6219

Abstract

Supplier selection is important in the production process, because raw materials greatly affect product results and production continuity. In Bananas Food Micro, Small and Medium Enterprises (MSMEs) located in Bekasi Regency, the main problem faced is that there is no mechanism or system for selecting the right raw material suppliers to meet production needs. Bananas Food MSMEs have also not implemented a method in supplier selection, so they have more than one supplier. This research was conducted using the Analytical Hierarchy Process (AHP) method. The criteria that are prioritized in supplier selection include availability, quality, and price and location. This study aims to determine the best supplier from several alternative suppliers. Based on the results of ranking the selection of banana raw material suppliers using the AHP method, determining supplier B as the best supplier for Bananas Food MSMEs with a weight value of 0.46, supplier C as the second alternative with a weight of 0.25, supplier D as the third alternative with a weight of 0.18, and supplier A as the fourth alternative with a weight of 0.11.
Penerapan Lean Manufacturing dengan Value Stream Mapping pada Proses Produksi PT TTB Prakoso, Rendhika Fajar; Windyatri, Hasyrani; Pradipto, Gigih Hapsak
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 4 No. 3 (2025): Agustus - October
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v4i3.3016

Abstract

Masalah utama yang dihadapi pada penelitian ini adalah tingginya waktu siklus produksi dan adanya aktivitas-aktivitas yang tidak memberikan nilai tambah yang menyebabkan hasil produksi tidak memenuhi target. Penelitian ini bertujuan untuk mengidentifikasi penyebab utama pemborosan (waste) dalam proses produksi holder motor di PT TTB  melalui penerapan lean manufacturing dengan bantuan value stream mapping. Hasil analisis process activity mapping menunjukkan bahwa delay (waktu tunggu) merupakan jenis pemborosan yang paling dominan, menyumbang 10 aktivitas dengan total 357,1 detik atau 28% dari keseluruhan proses produksi, berdasarkan identifikasi tersebut, dirancang usulan perbaikan yang diproyeksikan dapat mengurangi total lead time proses produksi dari 627,1 detik menjadi 460 detik, terutama akibat penghapusan aktivitas non-value added yang turun dari 285,1 detik menjadi 148 detik. Selain itu, aktivitas necessary but non-value added juga mengalami penurunan dari 60 detik menjadi 30 detik. Perubahan ini menunjukkan peningkatan proporsi waktu yang memberikan nilai tambah bagi perusahaan. Secara khusus, pengurangan waktu pada tahap menyiapkan APD (berkurang 50% NVA), melakukan daily check (berkurang 50% NVA), dan trimming (berkurang 38% NVA) menjadi faktor terbesar dalam menekan pemborosan waktu tunggu serta aktivitas yang tidak bernilai tambah. Usulan perbaikan mencakup penyesuaian layout, standarisasi prosedur kerja, perbaikan aliran material dan informasi, serta penerapan perawatan mesin yang terjadwal.
Pengembangan Produk Biskuit Coklat Lovbis Menggunakan Metode Quality Function Deployment Diki, Diki; Windyatri, Hasyrani; Pradipto, Gigih Hapsak
Innovative: Journal Of Social Science Research Vol. 5 No. 3 (2025): Innovative: Journal Of Social Science Research
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/innovative.v5i3.19330

Abstract

Penelitian ini diadakan dengan maksud untuk meningkatkan mutu produk biskuit coklat merek Lovbis yang sedang dikembangkan untuk memperkuat posisinya di pasar. Permasalahan utama yang dihadapi adalah kurangnya variasi rasa, desain bentuk dan kemasan yang sederhana, serta belum terpenuhinya preferensi konsumen secara optimal. Untuk mengatasi permasalahan tersebut, digunakan pendekatan Quality Function Deployment (QFD) guna mengidentifikasi dan menerjemahkan kebutuhan konsumen ke dalam atribut teknis produk. Penelitian dilakukan dengan metode survei menggunakan kuesioner berbasis skala likert yang disebarkan kepada 30 responden, kemudian hasilnya divalidasi dan dianalisis melalui penyusunan House of Quality (HOQ). Hasil penelitian menyatakan terhadap atribut rasa manis berada di urutan kepentingan tertinggi sebesar 8,63%, sedangkan atribut dengan gap tertinggi antara kepuasan dan harapan konsumen adalah rasa enak dengan nilai -1,5. Respon teknis dengan bobot relatif tertinggi adalah bahan baku, yang menjadi prioritas utama dalam pengembangan produk. Simpulan dari penelitian ini adalah bahwa peningkatan kualitas produk Lovbis harus difokuskan pada perbaikan bahan baku, penambahan variasi rasa, dan pengembangan desain produk yang lebih menarik.
ANALISIS PENGENDALIAN KUALITAS PRODUK BARREL MENGGUNAKAN METODE KAIZEN DAN PDCA FRAMEWORK DI PT. XYZ Pranata, Dean; Windyatri, Hasyrani; Suhendra, Suhendra
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 4 (2024): October
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i4.36524

Abstract

PT. XYZ is a medical device manufacturing company that produces components for syringes, one of which is the Barrel product. The Barrel product has high demand, so effective quality control is essential to reduce the defect rate. This study aims to analyze ways to reduce defects in the Barrel product using the Kaizen and Plan-Do-Check-Action (PDCA) methods. In the planning phase (Plan), the dominant types of defects were identified using a Pareto diagram, which revealed three main defect types, with shortmold as the primary focus. The causes of this defect were analyzed using a Fishbone diagram. In the Do phase, corrective actions were implemented by setting objectives and goals for improvement, as well as identifying defective products with the help of the 5W+1H tool. The Check phase involved further inspection using a Check Sheet to analyze data showing a reduction in defects between October 2023 and January 2024. In the Action phase, quality control was implemented by monitoring employee performance and product quality, as well as evaluating the results of the improvements. The results of the study indicate a significant reduction in the number of defective products following the implementation of corrective actions.  
MENINGKATKAN KOMPETENSI SUMBER DAYA MANUSIA DALAM MENGHADAPI DUNIA KERJA MELALUI PELATIHAN PEMERIKSAAN KUALITAS PRODUK MANUFAKTUR Supriyati, Supriyati; Windyatri, Hasyrani; Putri, Hana Silvia Dwi; Rahayu, Siti; Astuti, Retno Fitri
Jurnal Abdi Insani Vol 12 No 12 (2025): Jurnal Abdi Insani
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/abdiinsani.v12i12.3324

Abstract

Vocational High Schools (SMK) have an important role in preparing graduates who are ready to work and able to meet industry needs. However, there is still a competency gap between students' abilities and the demands of the world of work, especially in terms of product quality inspection. This Community Service Activity (PKM) aims to improve SMK students' understanding and skills regarding product quality concepts, quality standards, and manufacturing product inspection techniques through training and practice-based learning. Activities were carried out at one of the SMKs in the Cikarang area and were attended by 20 students. Training included lectures on basic product quality concepts, demonstrations on the use of measuring tools such as rulers and calipers, product inspection practices, as well as discussions and evaluations of inspection results. Results showed a significant improvement in students' understanding of quality concepts and product inspection procedures, with an average post-test score increase of 58%. A total of 85% of participants were able to perform simple product inspections in accordance with standard operating procedures (SOP). In addition, this training also contributed to the strengthening of soft skills such as accuracy, discipline, responsibility, cooperation, and critical thinking skills. This program of community service has proven effective in reducing the skill gap between education and industry needs, as well as improving the readiness of vocational school students to face the challenges of modern manufacturing.
Penerapan Metode Blocplan untuk Efisiensi Tata Letak Gudang di PT Nusavaria Chandra Sentosa Syamil, Rafi Akbar; Windyatri, Hasyrani; Putri, Hana Silvia Dwi
RIGGS: Journal of Artificial Intelligence and Digital Business Vol. 5 No. 1 (2026): Februari - April
Publisher : Prodi Bisnis Digital Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/riggs.v5i1.6832

Abstract

Tata letak gudang yang kurang optimal pada PT Nusavaria Chandra Sentosa menyebabkan jarak perpindahan material antar area utama seperti gudang, ruang service, ruang administrasi, dan area parkiran/loading menjadi relatif jauh sehingga menurunkan efisiensi operasional secara signifikan. Penelitian ini bertujuan merancang ulang tata letak gudang untuk meminimalkan jarak perpindahan material serta meningkatkan kelancaran alur kerja menggunakan metode Blocplan berbasis Activity Relationship Chart (ARC). Penelitian menggunakan pendekatan kuantitatif-deskriptif dengan pengumpulan data melalui observasi langsung, wawancara, dan pengukuran lapangan. Analisis dilakukan dengan menghitung jarak perpindahan menggunakan metode Manhattan (rectilinear distance) dan Euclidean untuk membandingkan layout eksisting dengan layout usulan secara komprehensif dan terukur. Hasil perancangan menghasilkan beberapa alternatif tata letak dan dipilih Layout 4 sebagai rancangan terbaik berdasarkan nilai score dan total jarak perpindahan. Layout usulan mampu menurunkan total jarak perpindahan material dari 360 m/hari menjadi 198,96 m/hari berdasarkan metode Manhattan (efisiensi 44,73%) serta dari 270 m/hari menjadi 148,25 m/hari berdasarkan metode Euclidean (efisiensi 45,09%). Penurunan jarak ini berdampak pada peningkatan efisiensi operasional, pengurangan waktu material handling, serta perbaikan kelancaran alur distribusi internal perusahaan secara berkelanjutan. Hasil penelitian menunjukkan bahwa metode Blocplan efektif digunakan dalam perancangan tata letak gudang karena mampu mengoptimalkan kedekatan antar area berdasarkan intensitas hubungan aktivitas operasional perusahaan. Tata letak usulan dapat dijadikan rekomendasi implementatif strategis untuk meningkatkan produktivitas dan daya saing perusahaan.
Co-Authors Astuti, Retno Fitri Berniliyus, Akwila Diki, Diki Febrinasari, Tantry Herol, Herol Intani, Arvita Emarilis Juhaeni Juhaeni Listyanto, Rudy Effendi Muhammad Arif Nida An Khofiyah Nurmilawati, Sarah Pardede, Hotma Dame Pradipto, Gigih Hapsak Prakoso, Rendhika Fajar Pranata, Dean Prasetyo, Ahmad Putri, Hana Silvia Dwi Rahardjo, Sugeng Budi Rahmasari, Anggita Rakes, David Riandani, Andini Putri Rizki Maulana, Rizki Siti Rahayu Suhendra . Suhendra Suhendra Supriyati . Syamil, Rafi Akbar Yusuf Irfan