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All Journal Turbo : Jurnal Program Studi Teknik Mesin Rona Teknik Pertanian Mekanisasi: Jurnal Teknik Mesin Pertanian
Ari Rianto
Politeknik Negeri Sambas
Agriculture, Biological Sciences & Forestry Control & Systems Engineering Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Mechanical Engineering

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Journal : Turbo : Jurnal Program Studi Teknik Mesin

 1 
Rancang bangun mesin pengupas tempurung kelapa Budi Setiawan; Erwin Erwin; Ari Rianto
TURBO [Tulisan Riset Berbasis Online] Vol 10, No 1 (2021): Jurnal TURBO Juni 2021
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v10i1.1428

Abstract

The first work that must be done on coconuts after the coir stripping process is to strip the coconut shells. This is because the part of the coconut that is processed further is part of the coconut meat itself. Coconut shell is the hardest part of the coconut fruit. On this coconut shell, coconut meat is attached. Manually removing coconut meat will take a relatively long time, around 3-5 minutes for 1 coconut. Of course, with this time the capacity and production efficiency cannot be maximized. This research was conducted with the aim of designing and testing the capabilities of coconut shell peeling machines. This machine is operated by using 2 blades, namely a flat peeler blade as a barrier to the surface of the coconut shell and a toothed peeler to press the surface of the shell. The results of the functional testing of this machine obtained the best value at the rotational speed of the peeler teeth of 14 rpm with an average shelling time of 20.96 seconds per piece.Keywords: coconut, machine, coconut shells, shelling time.
Kajian Eksperimen Kapasitas dan Efisiensi Perontokan pada Power Thresher dengan Variasi Kecepatan Putar dan Jumlah Gigi Silinder Perontok Suhendra Suhendra; Muliadi Muliadi; Iman Syahrizal; Ari Rianto
TURBO [Tulisan Riset Berbasis Online] Vol 8, No 1 (2019): Juni 2019
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (322.529 KB) | DOI: 10.24127/trb.v8i1.913

Abstract

Penerapan teknik perontokan yang kurang tepat dapat meningkatkan kehilangan hasil. Proses perontokan secara umum dapat dilakukan menggunakan cara manual dan mekanis. Perontokan secara mekanis dilakukan menggunakan thresher dengan mekanisme perontok berupa gigi yang terpasang pada silinder perontok. Gigi perontok terbuat dari baut atau besi bulat padat biasanya dapat diatur tinggi rendahnya. Pergerakan silinder perontok dapat dihasilkan secara manual menggunakan engkol pemutar atau menggunakan engine. Kecepatan putar dan jumlah gigi pada silinder perontok merupakan parameter yang memiliki pengaruh terhadap hasil perontokan, karena parameter tersebut sering divariasikan oleh petani saat melakukan proses perontokan. Penelitian ini bertujuan untuk melakukan uji kinerja pada power thresher dan membuktikan pengaruh kecepatan putar dan jumlah gigi silinder perontok terhadap kapasitas dan efisiensi perontokan pada padi varietas Sirendah. Kecepatan putar silinder perontok divariasikan menjadi 4 perlakuan yaitu 364, 446, 476 dan 512 rpm. Jumlah gigi pada silinder perontok divariasikan menjadi 4 perlakuan yaitu 40, 52, 60 dan 68 buah. Variabel tak bebas penelitian meliputi kapasitas dan efisiensi perontokan gabah pada power thresher. Berdasarkan hasil pengujian kecepatan putar silinder perontok pada power thresher sangat berbeda nyata pengaruhnya terhadap kapasitas perontokan gabah, sedangkan jumlah gigi silinder perontok sangat berbeda nyata pengaruhnya terhadap efisiensi perontokan gabah. Interaksi perlakuan kecepatan putar 512 rpm dan gigi silinder perontok  berjumlah 68 buah menghasilkan kapasitas perontokan terbaik yaitu 569 kg/jam. Interaksi perlakuan jumlah gigi perontok 52 buah pada kecepatan putar silinder perontok 446 rpm menghasilkan efisiensi perontokan terbaik yaitu sebesar 95,3%.
Analisis panjang bidang kontak perontokan lada pada mesin perontok lada tipe silinder berjaring Leo Dedy Anjiu; Suhendra Suhendra; Ari Rianto
TURBO [Tulisan Riset Berbasis Online] Vol 12, No 1 (2023): Jurnal TURBO
Publisher : Universitas Muhammadiyah Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24127/trb.v12i1.2310

Abstract

The threshing process is one of the problems because currently is still mostly done manually. The development of a mechanical pepper threshing system has been carried out by making a pepper threshing machine. Further development is carried out by analyzing the mechanism of pepper threshing. Based on these problems, a research was conducted to analyze the length of the threshing contact area on the pepper threshing mechanism. The independent variable of the research is the length of the threshing contact area. The dependent variables were threshing capacity, threshing efficiency and damage percentage of pepper. The length of the threshing contact area was varied namely 2, 4, 6 and 8 cm. The threshing mechanism rotational speed used is 360 rpm. The tensile strength of the spring on the threshing net is 0,22 kg/cm. The amount of pepper processed in 1 test is 0,4 kg. Based on the test result, the length of the threshing contact area is inversely proportional to the threshing capacity, and directly proportional to the treshing efficiency and the percentage of damage. The highest capacity and the smallest damage percentage were obtained at a contact area length of 2 cm, respectively 109,09 kg/hour and 10,85%. The highest threshing efficiency was obtained at a contact area length of 8 cm is 95,09%.
Co-Authors Budi Setiawan Erwin Erwin Feby Nopriandy Iman Syahrizal Leo Dedy Anjiu Muliadi Muliadi Rizki Gunawan Harahap Suhendra Sundari, Ellys Mei Winda Apriani