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All Journal Agrikultura Jurnal Tanaman Industri dan Penyegar Jurnal Ilmiah Rekayasa Pertanian dan Biosistem

Totok Herwanto

Departemen Teknik Pertanian dan Biosistem, Fakultas Teknologi Industri Pertanian, Universitas Padjadjaran

Author-ID : 2689453

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Industrial & Manufacturing Engineering

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Articles

Rancang Bangun Mesin Pembersih dan Pengupas Kentang Wahyu K. Sugandi; Totok Herwanto; Ayuditha Putri Yudi
Agrikultura Vol 29, No 2 (2018): Agustus, 2018
Publisher : Fakultas Pertanian Universitas Padjadjaran

ABSTRACTEngineering of potatoes cleaning and peeling machineChips can be produced from varieties of raw materials including potatoes. To make potato chips on a large scale requires a machine that can facilitate all or one of the manufacturing processes. Therefore, research on the design of potatoes cleaning and peeler machine and its performance tests were required. The research method used was engineering method. The stages of this research were problem identification, data collection, designing, manufacturing and testing machine. This machine consisted of several components, namely frame unit, cleaning unit and peeler, and transmission unit. The mechanism of this machine was to put the water in and then turn on the motor connected to the brush and put the potato in. The potato will rotate and will hit the brush so that the skin peeled off. When the motor turned off, the faucet can be opened to remove the water. The lid on the tube can be opened to take the potato out. The engine design have a total dimension (1000 x 400 x 400) mm, height and diameter of the tube of 330 mm and 380 mm, using two cleaning brushes on one axis. with theoretical capacity of 152 kg/hour, actual capacity of 60 kg/hour.Keywords: cleaning and peeler machine, potato, cleaning brushABSTRAKKeripik dapat diproduksi dari berbagai macam bahan baku diantaranya kentang. Untuk membuat keripik kentang dalam skala yang besar dibutuhkan sebuah mesin yang dapat memudahkan semua atau salah satu proses pembuatannya. Oleh karena itu dibutuhkan penelitian mengenai rancang bangun mesin pembersih dan pengupas kentang serta uji kinerja mesin tersebut. Metode penelitian yang digunakan yaitu metode rekayasa. Tahapan penelitian ini yaitu identifikasi masalah, pengumpulan data, perancangan, pembuatan dan pengujian mesin. Mesin ini terdiri dari beberapa komponen yaitu unit rangka, unit pembersih dan pengupas, dan unit transmisi. Mekanisme kerja dari mesin ini yaitu memasukkan air lalu menyalakan motor yang terhubung dengan sikat lalu memasukkan kentang dimana kentang itu akan beruputar dan akan mengenai sikat sehingga kulit terkupas lalu motor dimatikan. Kran dapat dibuka sehingga air akan keluar, lalu jika tutup pada tabung dibuka, kentang dapat keluar. Hasil dari rancang bangun mesin memiliki total dimensi (1000 x 400 x 400) mm, tinggi dan diameter tabung masing-masing adalah 330 mm dan 380 mm, menggunakan dua buah sikat pembersih pada satu poros dengan kapasitas teoritis sebesar 152 kg/jam, kapasitas aktual sebesar 60 kg/jam,Kata kunci: Mesin pembersih, mesin pengupas kentang, sikat pembersih

Analisis Antropometri dan Biomekanik Penggunaan Mesin Pemetik Daun Teh Tipe GT 120 Ochiai Andika Herianto Simarmata; Kralawi Sita; Totok Herwanto; Ahmad Thoriq
Jurnal Tanaman Industri dan Penyegar Vol 7, No 3 (2020): Jurnal Tanaman Industri dan Penyegar
Publisher : Pusat Penelitian dan Pengembangan Perkebunan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21082/jtidp.v7n3.2020.p149-162

Application of tea harvest mechanization can increase work productivity, cost efficiency, and reduce the amount of starch loss in tea leaves. The problem is that the harvester machines that are operated in most tea plantations in Indonesia are imported. The harvester machine operators have the potential to experience skeletal, muscular, and peripheral nerve disorders called Musculoskeletal Disorders (MSDs). This study aims to evaluate the design of the type GT 120 Ochiai tea leaf harvester machine based on operator anthropometry and to find the operator's working posture during the tea picking process that needs immediate improvement. Anthropometric data were collected through measurements of the operator's body dimensions, while biomechanical data were collected through video recordings of the work-movements of all operators in operating the machine with a land slope of 5o – 10oand a land slope of 35o–40o at a plant height of 75 cm to 110 cm. Data analysis was performed using the REBA (Rapid Entire Body Assessment) and OWAS (Ovako Working Posture Analysis) methods. The results showed that the design of the type GT 120 Ochiai engine was in accordance with the operator's anthropometry. The results of REBA analysis show that there is a high work risk when operating the harvester machine, namely in the land conditions with a slope of 35o – 40o with a plant height above 100 cm and when moving the sacks of the harvest to a temporary shelter. Meanwhile, according to the results of the OWAS analysis, it is necessary to take corrective action as soon as possible, namely the position of operator 3 and operator 4 and it is necessary to change the position of operator 1 and operator 2. Based on the results of the REBA and OWAS analysis, it is better if the operator’s work shift changes in machine operation with the slope of the land 35o – 40o.

RANCANG BANGUN MESIN PENGUPAS KULIT TALAS (Colocasia esculenta L.) Wahyu Kristian Sugandi; Asep Yusuf; Totok Herwanto; M. Dedi Ardana
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 6 No 2 (2018): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Taro (Colocasia Esculenta L.,) is one of the leading horticultural commodities in Sumedang District after cassava and sweet potato. According to Department of Agriculture Sumedang District (2015), the quantity of taro semir production is about 2,774 tons per year with harvested area of 243 ha. One of the taro producing area in Sumedang District is in Sukawening, Gorowong Village, Ganeas Subdistrict, Sumedang District. In the era of globalization nowadays, the development of technology helps many people on facilitating the work, so that high work efficiency can be obtained. Beside to fulfill the needs, the emersion of new discovery is encouraged by the limitation of human labor, as traditional way has been commonly applied. To overcome this situation, the production of appropriate technology is recommended to increase efficiency and effectiveness level. This research aimed to design taro peeling machine to accelerate the process of stripping and facilitate the process of slicing or flouring. The research method was engineering. The result showed that the taro peeling machine could peel taro of 22 kg/hour, with dimension of 750 mm length, 600 mm width, and 1060 mm height. The result of the functional test showed that the designed taro peeling machine could work well.

RANCANG BANGUN UNIT KONVEYOR PADA MESIN GRADING BIJI PALA (Myristica fragrans houtt) Wahyu Kristian Sugandi; Totok Herwanto; Mimin Muhaemin
Jurnal Ilmiah Rekayasa Pertanian dan Biosistem Vol 8 No 1 (2020): Jurnal Ilmiah Rekayasa Pertanian dan Biosistem
Publisher : Fakultas Teknologi Pangan & Agroindustri (Fatepa) Universitas Mataram dan Perhimpunan Teknik Pertanian (PERTETA)

Buah pala (Myristica fragrans houtt) merupakan jenis rempah dengan nilai ekonomi yang tinggi di pasar dunia. Buah pala mampu dimanfaatkan dalam berbagai sektor bidang industri. Petani biji pala di Maluku masih menggunakan sistem tradisional atau manual pada proses pasca panen. Proses pasca panen yang dilakukan yaitu pengkelasan atau grading. Grading manual memiliki kekurangan dari segi waktu, keseragaman, dan ketelitian. Proses grading secara otomatis perlu dilakukan untuk mempermudah petani pala untuk pengkelasan dan meningkatkan hasil produksi biji pala.Tujuan dari penelitian ini untuk merancang bangun unit pembawa (Bucket- Conveyor) mesin grading biji pala dan mengetahui kecepatan maksimum yang dibutuhkan agar kapasitas mesin 500 kg/hari dapat tercapai. Unit pembawa berfungsi untuk menghantarkan biji pala dari unit pengumpan menuju kotak citra dan diteruskan ke pintu pembagi. Metode penelitian yang digunakan adalah metode rekayasa. Proses yang dilakukan yaitu menentukan dasar perancangan, rancangan fungsional, rancangan struktural dan analisis teknik, kemudian dilakukan uji kinerja pada Bucket Conveyor. Hasil penelitian ini menunjukkan bahwa unit pembawa mesin grading biji pala memiliki dimensi panjang 1800 mm, lebar 300 mm dan tinggi 600 mm. Komponen dari unit pembawa terdiri dari bucket, belt pvc, roller, dan plat pembatas. Hasil pengujian kapasitas unit pengumpan adalah 37,29 kg/jam dengan kecepatan putar puli penggerak sebesar 32 rpm.

Co-Authors Ahmad Thoriq Andika Herianto Simarmata Asep Yusuf Ayuditha Putri Yudi Kralawi Sita M. Dedi Ardana Mimin Muhaemin Wahyu Kristian Sugandi

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