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ANALISIS PENYEBAB CACAT PRODUK KERAMIK TABLEWARE YANG DIHASILKAN MESIN DUSTPRESS DI PT. SANGO CERAMICS INDONESIA MENGGUNAKAN STATISTICAL PROCESS CONTROL (SPC) Kasih, Puji Handayani; Sari, Diana Puspita
Industrial Engineering Online Journal Vol 5, No 1 (2016): wisuda januari Tahun 2016
Publisher : Program Studi Teknik Industri, Fakultas Teknik, Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (361.935 KB)

PT. Sango Ceramics Indonesia memproduksi keramik jenis tableware (peralatan rumah tangga seperti gelas, mangkuk, mug, piring dan lain lain) dengan menggunakan empat jenis mesin cetakan yang berbeda yaitu mesin dustpress, roller, high presurre casting (HPC) dan mesin casting. PT. Sango Ceramics Indonesia mengalami penurunan kualitas yang ditunjukkan dengan penurunan nilai yield pada semua jenis mesin. Mesin dustpress mengalami penurunan yield sebesar 12,98%, mesin casting sebesar 0,7%, mesin HPC sebesar 12,39%, dan mesin roller sebesar 11,13%. Penurunan nilai yield menunjukkan peningkatan produk cacat mengakibatkan proses rework meningkat sehingga berakibat pada peningkatan biaya produksi. Penelitian ini bertujuan untuk mengidentifikasi jumlah cacat terbanyak berdasarkan mesin dan jenis cacat untuk mendapatkan alternatif penyelesaian masalah untuk mengurangi jumlah cacat keramik. Penelitian ini menggunakan metode Statistical Process Control (SPC) dengan alat yang digunakan diagram pareto, peta kendali, diagram fishbone dan usulan perbaikan 5W + 1H. Jumlah cacat tertinggi terjadi pada produk yang dihasilkan mesin dust press. Jenis cacat terbanyak adalah jenis cacat tobi (lubang jarum pada permukaan glaze yang tembus ke body) dengan presentase 82,19%. Usulan perbaikan diberikan berdasarkan analisis penyebab menggunakan cause and effect diagram dengan metode 5W+1H. Terdapat 6 usulan perbaikan untuk penyebab cacat oleh manusia, lingkungan, mesin, metode dan material. Abstract PT. Sango Ceramics Indonesia produce ceramics type tableware (such a glass, bowl, mug, plate and others) using four different types of molding machines namely dustpress machine, roller, high casting presurre (HPC) and machine casting. PT. Sango Ceramics Indonesia suffered a decline in the quality of the product is shown by an decrease in yield number . on all a kind of machine . Dustpress machine decreased yield of 12,98 % , casting machine of 0.7 % , HPC machine of 12,39 % , and roller machine of 11,13 % .Reduction in the value of yield shown increase of a defective product resulted in the process of rework rise so that led to increase in the production cost . This research aims to identify the most amount of defective product based on engines and defective product types to get an alternative solution to reduce the number of defect ceramic. This research use method Statistical Process Control (SPC) with tools that use the pareto diagrams, fishbone diagrams, control chart and proposal of improvement 5W+1H. The highest number of defects occurred in the product is produced by machine dust press. Most defect prodct is a type of defect tobi (pinhole on the surface of the glaze penetrate into the body) with a percentage of 82,19%. The proposed improvements are given based on the analysis of the cause use cause and effect diagram by 5W+1H. There are six repair proposal for a cause deformed by humans , environment , machine , methods and material.

Covid-19 and Coal Industry in Indonesia: A Preliminary Analysis Shofa Rijalul Haq; Ratna Mustika Dewi; Lidana Erfiandri; Puji Handayani Kasih; Aldin Ardian
Jurnal Mineral, Energi dan Lingkungan Vol 5, No 2 (2021): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmel.v5i2.6787

Corona Virus Disease (COVID-19) pandemic dramatically impacted the energy sector. About 4.5% of global primary energy consumption dropped in 2020, where coal demand decreased by 220 million tons of coal equivalent. The drop was driven by lower electricity demand due to policies against Covid-19 (i.e., travel restriction, lockdown, and new standard). In particular, the COVID-19 crisis has already created profound uncertainties for the Indonesian coal mining industry as one of the world's largest coal producers and exporters. Coal is the primary energy source for Indonesian electricity, contributing to the national revenues. A debate about action to take, whether to focus on dealing with Covid-19 health or maintaining economic growth, is unavoidable. With the number of cases continuing to rise, we set out to investigate the impact of COVID-19 on Indonesia's coal mining industry. Rapid desk assessment and descriptive statistical approach were used in this study by evaluating secondary data during the pandemic, comparing with previous years before the COVID-19 pandemic. The results revealed a tangible transformation in coal demand, production, and price. Despite domestic coal consumption for power generation decreased, the coal price increased in mid of 2021 due to rising coal demand in China.

Covid-19 and Coal Industry in Indonesia: A Preliminary Analysis Shofa Rijalul Haq; Ratna Mustika Dewi; Lidana Erfiandri; Puji Handayani Kasih; Aldin Ardian
Jurnal Mineral, Energi dan Lingkungan Vol 5, No 2 (2021): Desember
Publisher : Fakultas Teknologi Mineral, Universitas Pembangunan Nasional (UPN)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/jmel.v5i2.6787

Corona Virus Disease (COVID-19) pandemic dramatically impacted the energy sector. About 4.5% of global primary energy consumption dropped in 2020, where coal demand decreased by 220 million tons of coal equivalent. The drop was driven by lower electricity demand due to policies against Covid-19 (i.e., travel restriction, lockdown, and new standard). In particular, the COVID-19 crisis has already created profound uncertainties for the Indonesian coal mining industry as one of the world's largest coal producers and exporters. Coal is the primary energy source for Indonesian electricity, contributing to the national revenues. A debate about action to take, whether to focus on dealing with Covid-19 health or maintaining economic growth, is unavoidable. With the number of cases continuing to rise, we set out to investigate the impact of COVID-19 on Indonesia's coal mining industry. Rapid desk assessment and descriptive statistical approach were used in this study by evaluating secondary data during the pandemic, comparing with previous years before the COVID-19 pandemic. The results revealed a tangible transformation in coal demand, production, and price. Despite domestic coal consumption for power generation decreased, the coal price increased in mid of 2021 due to rising coal demand in China.

Food Agriculture Supply Chains during a Pandemic Hanissa Okitasari; Puji Handayani Kasih; Yasmin Mauliddina; Yunita Nugrahaini Safrudin
Journal of Logistics and Supply Chain Vol 1, No 1 (2021): April 2021
Publisher : Universitas Pendidikan Indonesia

Nowdays COVID-19 (Coronavirus) pandemic has affected almost all countries and has made an effect on the global supply chain in general and food agricultural supply chain in specific. The effect of this pandemic can be cluster by time period as the initial blockade period and as the later period of the pandemic. This new condition made us to pay attention about what differences before, during, and after the pandemic that will occur. The aim of this research are to know not only during the pandemic, but also what may be happen after the pandemic, especially on food agriculture supply chain. In this research we use literature study method which there are 9 articles has been reviewed. We find out that this pandemic not to significantly affect the structure of food agricultural supply chain, but there is a possibility to shorten the food agricultural supply chain if needed.

Penentuan Rute Pengiriman untuk Meminimasi Jarak Tempuh Transportasi menggunakan Metode Saving Matrix Puji Handayani Kasih; Yasmin Maulidina
Jurnal INTECH Teknik Industri Universitas Serang Raya Vol. 9 No. 1 (2023): Juni
Publisher : Universitas Serang Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30656/intech.v9i1.5680

Pandemi Covid-19 yang terjadi di Indonesia pada awal tahun 2020 mengakibatkan pemberlakuan physical distancing berskala besar sehingga berdampak pada meningkatnya permintaan terhadap pengiriman makanan secara online. Dalam usaha meningkatkan pelayanannya dengan jumlah permintaan yang meningkat, UMKM rumahan pada penelitian ini merancang rute pengiriman yang lebih efisien. Pada proses pengiriman sebelumnya hanya berdasarkan kapasitas armada pengiriman dan lokasi pelanggan yang terdekat dengan lokasi UMKM. Penelitian ini bertujuan untuk mengevaluasi rute awal pengiriman dan menentukan rute baru dan urutan kunjungan ke setiap titik lokasi pelanggan dengan menggunakan metode saving matrix dan dengan menggunakan algoritma nearest neighbor dan nearest insertion. Dengan menggunakan metode saving matrix didapatkan dua rute kunjungan. Berdasarkan perbandingan hasil pengurutan kunjungan pelanggan pada setiap rute, didapatkan jarak tempuh terpendek dengan menggunakan algoritma nearest neighbor. Total penghematan jarak tempuh yang didapatkan berdasarkan penentuan rute dengan menggunakan metode saving matrix dan algoritma nearest neighbor adalah sebesar 34.5% (dari total jarak tempuh pada rute awal adalah 77.19 km menjadi 50.59 km pada rute yang baru).

Why do we eat halal? Applied the theory of reasoned action in predicting halal food consumption among Indonesian Muslim consumers Rahmawati, Keny; Kasih, Puji Handayani; Koraag, Satrio Tegar Gunung
BISMA (Bisnis dan Manajemen) Vol. 16 No. 2 (2024)
Publisher : Universitas Negeri Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26740/bisma.v16n2.p213-239

This study explores the influence of consumer attitudes, religious beliefs, and health consciousness on purchasing intentions and behaviours towards halal products within Indonesia’s Muslim community. Employing the Theory of Reasoned Action (TRA), this research structured hypotheses to assess how various perceptual and normative factors affect consumer decisions. The research method includes a quantitative survey with PLS-SEM to evaluate relationships between attitudes (consumer attitudes, health consciousness, and religious compliance), intentions, and purchasing behaviours, using a structured questionnaire distributed among 500 participants in Indonesia. Results indicate significant positive associations between consumer attitudes and purchasing intentions, purchase intentions and purchasing behaviours, as well as health consciousness and purchase intentions. Additionally, religious beliefs significantly influence purchase intentions. This research reaffirms the applicability of the TRA in predicting consumer behaviour in culturally sensitive markets. Businesses should ensure all halal products are clearly labelled with a certified halal logo to reassure consumers about the authenticity of the product's halal status and address concerns about ingredients and processing.

Sustainable waste solutions: Optimizing location-allocation of 3R waste management sites in Gondokusuman, Yogyakarta, Indonesia through multi-maximal covering location approach Leuveano, Achmad Chairdino; Kasih, Puji Handayani; Ridho, Muhammad Ihsan; Lisan, Ahmad Rif’an Khoirul; Muhamed , Ariff Azly; Rafique , Muhammad Zeeshan
International Journal of Industrial Optimization Vol. 5 No. 1 (2024)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/ijio.v5i1.9251

Developing a Multi-Maximal Covering Location Model (MMCLM) for waste management in Gondokusuman Sub-district, Yogyakarta, Indonesia, is urgently needed. The closure of the Piyungan landfill has resulted in the need for additional Reduce, Reuse, and Recycle Waste Management Sites (3R-WMSs) to reduce waste that the landfill cannot accommodate. The primary objective of this model is to optimize the location and allocation of demand volume nodes, representing the resident population, to a specific set of 3R-WMS. These demand nodes are located at different distances from 3R-WMSs, including high and low coverage areas. The research in the Gondokusuman Sub-district employed MMCLM with facility capacity constraints and was developed using mixed integer linear programming methodology. The study identified five optimal locations for a 3R-WMS establishment that comprehensively cover all demand nodes (15301) and population clusters (45903) in the sub-district, including both high (5085) and low coverage areas (10216). This research represents a significant step forward in developing a sustainable environment by ensuring easy access to reducing, reusing, and recycling-based waste management facilities for residents.

Vulnerabilities and risk mitigation in Indonesia’s halal poultry chain: Bridging compliance and practice Kasih, Puji Handayani; Rahmawati, Keny; Ismianti, Ismianti; Astrid Wahyu Adventri Wibowo; Hasan Mastrisiswadi
OPSI Vol 18 No 1 (2025): OPSI - June 2025
Publisher : Jurusan Teknik Industri, Fakultas Teknologi Industri UPN "Veteran" Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31315/opsi.v18i1.14892

Halal risk mitigation in certified poultry processing is the focus of this study. The primary objectives are to map the important risk points in the halal poultry supply chain, understand how certification criteria are applied, and evaluate how stakeholder awareness and behaviour affect halal compliance. This research applied a descriptive qualitative approach, leveraging the case study technique through interviews with major stakeholders in the chicken meat supply chain. This research uses source triangulation techniques to validate the data by comparing information from interviews and literature reviews. The findings reveal several critical issues in the halal poultry supply chain, including limited control over halal inputs such as feed and vaccines, and low awareness among farmers regarding halal standards. Inadequate transaction documentation and the unclear halal status of chickens during transfer further compromise compliance. The slaughtering process often does not adhere to shariah requirements, with poor separation between clean and dirty areas, increasing the risk of cross-contamination. Additional concerns include contamination during transportation due to the use of non-designated or unhygienic vehicles, and the absence of halal labelling alongside the use of ingredients from unverified sources.

The Role of Supply Chain Finance in Humanitarian Aid Relief : Literature Review Mauliddina, Yasmin; Kasih, Puji Handayani
Jurnal Teknik Industri Terintegrasi (JUTIN) Vol. 7 No. 1 (2024): January
Publisher : LPPM Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/jutin.v7i1.25452

Humanitarian aid relief has been operational since the late 19th century, addressing development and disaster aid cases. The intricate relationship between humanitarian aid relief and the supply chain encompasses various stages, from securing funding to coordinating stakeholders. However, the volatile and uncertain nature of the field poses challenges such as corruption, prolonged funding gaps, and demands for accountability and visibility. This study highlights the critical role of funding and financing in the humanitarian supply chain, emphasizing the underdeveloped state of research on supply chain finance (SCF). The paper aims to investigate the integration of SCF into humanitarian aid relief, utilizing literature reviews from journals, papers, and reports.The findings reveal a correlation between SCF's essential elements—focused on liquidity/cash, operational activities, and engagement among actors. This research proposes a framework, how the humanitarian aid relief sequence and SCF theory should collaborate for effective humanitarian aid supply chain finance (HASCF) practices

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