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All Journal MUSTEK ANIM HA Jurnal Ilmu dan Teknologi Kayu Tropis Paedagogie Media Kependidikan, Keilmuan dan Keagamaan STKIP MUHAMMADIYAH SAMPIT Jurnal Fundamental Justice SisInfo : Jurnal Sistem Informasi dan Informatika

Jayadi Jayadi

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Author-ID : 3304839

Religion Agriculture, Biological Sciences & Forestry Computer Science & IT Education Electrical & Electronics Engineering Engineering Law, Crime, Criminology & Criminal Justice Mathematics Mechanical Engineering Other

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Tekno Ekonomi Produksi Perekat Aqueous Polymer Isocyanate Berbasis Lateks Karet Alam (Techno-Economic of Natural Rubber Latex-Based Aqueous Polymer Isocyanate Adhesive) Fahriya Puspita Sari; Widya Fatriasari; Raden BP Laksana; Teguh Darmawan; Jayadi Jayadi; Euis Hermiati
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 14, No 2 (2016): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

Natural rubber latex (NRL)-based aqueous polymer isocyanate (API) adhesive can potentially be used for the production of wood panels or composites. Bonding properties of the adhesive could meet the standard of the wood panels produced. In order to complete its assessment as a commercial wood adhesive, it is important to conduct a techno-economic analysis of this adhesive. The design and analyses were based on 100 L production capacity. The techno-economic analysis as a basis value of the investment to be incurred in the API adhesive production considered the capability of design tools during the production process. Based on the analysis, to produce API adhesives by 34.8 tons per year it is required an investment of 509.5 million rupiahs. The production cost of API adhesives for Rp 50.000 kg-1 is Rp 35.798 with assuming a sales profit of 21.30%. The payback period is 1 year with shut down point (SDP) of 14%, and the break-even point (BEP) of 20.51%. The analysis at various production capacities (34.8, 50, 75, and 100 tons year-1) indicated that API adhesive production will be more profitable with greater production capacity because it can shorten the payback period and increase the return on investment.Keywords: API adhesives, low temperature setting, natural rubber latex (NRL), production design, techno-economic

Modifikasi Alat Pelengkung Kayu Skala Pilot dengan Menggunakan Pemanas Modification of Pilot-scale Wood Bending by Heating Elements Teguh Darmawan; Jayadi Jayadi; Sudijono Sudijono; Ika Wahyuni; Yusuf Amin; Wahyu Dwianto
Jurnal Ilmu dan Teknologi Kayu Tropis Vol 4, No 1 (2006): Jurnal Ilmu dan Teknologi Kayu Tropis
Publisher : Masyarakat Peneliti Kayu Indonesia

This paper deals with manufacturing and modification of pilot-scale wood bending machine by heating elements. The machine has specifications as follows: 1000 mm width; 1305 mm height; 430 mm and 470 mm radius of upper part and bottom part of bent plates, respectively; and a manual stick pressure with 870 mm length. The upper part and bottom part of bent plates are equipped with heating elements, which the maximum of temperature is arranged to 200°C by the electric force of 220V/2000 watt. Left and right sides of bent plates are covered by 1150 mm x 950 mm insulation board to maintain the heat. From the temperature measurement, the heating plates were reached 50°C in 2.5 minutes, 100°C in 9.5 minutes, and 180°C in 28 minutes. The modified machine has successfuly bent Acacia solid wood with dimensions of 1100 mm(L) x 50 mm(T) and 10 mm, 20 mm, and 30 mm in thickness (R).

Co-Authors Acep Ponadi Agung Rachmat Raharja Damis Hardiantono Dodi Syaripudin Encep Yayat Euis Hermiati Fahriya Puspita Sari Frederik Haryanto Sumbung Ika WAHYUNI Mariyanah Mariyanah Muchlis Alahudin, Muchlis Muhammad Rosikhu Nakzim Khalid Siddiq Novianti Rahmawati Paulus Mangera Raden BP Laksana Sudijono Sudijono Teguh DARMAWAN Wahyu DWIANTO Widya FATRIASARI Yusuf Amin

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