Pengaruh Kecepatan Putaran, Desain Pisau, dan Diameter Penyaring Terhadap Efisiensi Cocofiber Pada Mesin Pengurai Sabut Kelapa
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Tommy Ari Widana(1*)
Program Studi Teknik Mesin, Universitas Darul Ulum, Jombang
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Mualifi Usman(2)
Program Studi Teknik Mesin, Universitas Darul Ulum, Jombang
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Muhammad Fakhrurozi(3)
Program Studi Teknik Mesin, Universitas Darul Ulum, Jombang
(*) Corresponding Author
Abstract
Coconut husk, an agricultural waste, has great potential to be processed into high-value products such as cocopeat and cocofiber. Therefore, a decorticating machine with better quality and quantity is required. This study applied a factorial experimental method with three variables: rotational speeds of 1800, 2400, and 3600 rpm; blade designs of type A, B, C, and D; and screen diameters of 4, 6, and 8 mm. Tests were conducted using coconut husk as raw material, and data were analyzed using ANOVA to evaluate efficiency. Results showed significant effects, with the best combination at 2400 rpm, blade type B, and 6 mm screen. However, based on the hypothesis test with a significance level (α) of 0.05, it was concluded that the knife design factor, sieve diameter, and the interaction among the three factors did not significantly affect the decortication results because the calculated Fcont was smaller than the Ftable value, whereas the other interaction factors significantly affected the results because the Ftable value was greater than the calculated Fcont
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