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Rofarsyam Rofarsyam
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Engineering

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MESIN PEMERAS KELAPA PARUT MENJADI SANTAN SISTEM ULIR TEKAN PENGGERAK MOTOR LISTRIK 1 HP Abdul Syukur Alfauzi; Rofarsyam Rofarsyam
Teknoin Vol. 10 No. 4 (2005)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v10i4.99

Abstract

The squeezing process of grated coconut into coconut milk, and the following process of  making the milk into coconut oil, which is done by people living in rural areas, is until now still very traditional. They do it manually (by hands) so that they produce 7.2 kg/hour grated coconut or 3.6 litres/hour thick coconut milk.To effectify the process, the squeezing needs to be mechanized, using a grated coconut squeezer machine.The machine is designed on the basis of Screw Press system with a ¼ HP 1450 rpm electric motor power using a pulley belt transmission and a gear box. The squeezer’s force refers to coconuts aging between 341 and 413 days (hand squeezing force normally practised by coconut oil producers in rural areas).This prototype of machine has the capacity of producing 53.2 kg/hour grated coconut or 26.6 litres/hour thick coconut milk, which has similar quality (in colour, smell and texture) as that manually squeezed.Keywords : grated coconut squeezer, coconut milk
Pengujian Subtitusi CaCO3 Taiwan dengan CaCO3 Produk Lokal untuk Industri Berbahan Baku PVC Anwar Sukito Ardjo; Rofarsyam Rofarsyam
Teknoin Vol. 10 No. 2 (2005)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v10i2.689

Abstract

The paper reports an experiment to produce  polyvinyl chloride (PVC) using local (from Gunung Kidul) and imported (from Taiwan) CaCO3. The laboratory test shows that PVC produced using Taiwanese CaCO3 is superior over that using local CaCO3 in terms of its flexibity.  Hence, it is not recommended to use local CaCO3 producing PVC-based products that requires high flexibility such as water pipe, cable isolator. On the other hand, the local PVC may be used to produce, for instance,  blinds and compressor.  Keywords: PVC, local CaCO3  , imported CaCO3
Pembuatan Mesin Penyayat Kulit Hasil Samakan untuk Bahan Baku Sepatu Rofarsyam Rofarsyam; Adi Putra
Teknoin Vol. 10 No. 1 (2005)
Publisher : Faculty of Industrial Technology Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/.v10i1.691

Abstract

Domestic market of shoes is increasing. Howewer this opportunity is yet to be grasped by domestic producers. Lack of quality is of identified obstacles of the domestic products which are mostly produced by household industries to compete in the market. An aspect of the quality is product’s appearance that is influenced by quality of raw material which is leather. Hence, this recent research aims to design machine that can be used to yield better quality leather. In each 8 hours the machine can produce ready-to-used leather for 100 pairs of shoes.Keywords: leather, shoes.
Co-Authors Abdul Syukur Alfauzi Anwar Sukito Ardjo Mudinillah, Adam