<> "The repository administrator has not yet configured an RDF license."^^ . <> . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER"^^ . "Abstrak\r\n\r\nAlat perontok padi yang sudah dikembangkan pada penelitian sebelumnya yaitu\r\ndengan menggunakan prinsip kerja hammer atau memukul tanpa perlu batang\r\npadi dipegang operator. Namun proses perontokan tidak sesuai dengan harapan,\r\nalat perontok padi ini masih terdapat kendala, jerami menggumpal membentuk\r\nsilinder diruang perontok dan tidak dapat keluar sebagaimana yang diinginkan.\r\nPenelitian ini bertujuan untuk memodifikasi alat perontok padi tipe hammer\r\nthresher. Modifikasi yang akan dilakukan yaitu dengan cara menambahkan\r\nsaluran pengarah didinding atas ruang perontok dan merubah saluran pengeluaran\r\njerami disebelah pengumpan, dengan lebar 15 cm dan tinggi 19 cm. Dengan cara\r\nini diharapkan jerami dapat keluar dari ruang perontok.\r\nMetode penelitian yang akan digunakan meliputi beberapa tahap, yaitu\r\nperancangan modifikasi alat, modifikasi alat, pengujian hasil modifikasi,\r\npengamatan dan pengolahan data. Pengujian alat dilakukan dengan 4 perlakuan\r\nyang berbeda dengan 3 kali ulangan, dimana letak perbedaannya pada lebar\r\ntempat pengeluaran jerami dengan cara manual. Perlakuan ini terdiri dari lebar\r\n15 cm, 13 cm, 11 cm, dan 9 cm. Pengamatan dilakukan terhadap persentase\r\ngabah terontok, persentase gabah tidak terontok, gabah terontok baik, persentase\r\ngabah terontok rusak, lama perontokan dan kapasitas kerja alat perjam.\r\nHasil pengujian menunjukkan bahwa saluran pengarah mampu mengarahkan\r\njerami menuju pintu pengeluaran jerami, Rata-rata waktu yang dibutuhkan untuk\r\nproses perontokan gabah seberat 5 kg adalah 1,37 menit, dengan persentase ratarata gabah terontok baik sebesar 98,58% dan persentase rata-rata gabah terontok\r\nsebesar 95,83%. Pengujian kapasitas kerja alat ini dilakukan dengan merontokan\r\npadi dalam sekali pengumpanan secara kontinyu ke dalam alat perontok, Alat\r\nperontok padi tipe hammer thresher ini memiliki kapasitas kerja rata-rata sebesar\r\n106,43 kg/jam. Jumlah ini lebih rendah dari jumlah kapasitas mesin perontok\r\npadi tipe power thresher yang mencapai 500 – 600 kg /jam yang menggunakan\r\ntenaga motor diesel sebesar 5,5 – 6 HP. Sedangkan pada penelitian sebelum\r\ndimodifikasi kapasitas kerja alat ini sebesar 37 kg/jam.\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\nAbstract\r\n\r\nPaddy thresher machine had been developed in the previous research was using\r\nhammer working principle or the machine beat the paddy straw without held by\r\noperator. However, the thresher process produced unexpected results. The\r\nproblem was that the paddy straw agglomerated to form cylinder clot in the\r\nthresher chamber and cannot be disposed as it was expected.\r\nThe objective of this research was to modify the hammer type paddy thresher.\r\nThe modification was conducted by adding directing channel at the top of\r\nthreshing chamber ceiling and to modify the paddy straw disposal channel beside\r\nthe feeder with dimension of 15 cm width and 19 cm height. This method was\r\nexpected to be able to dispose the paddy straw out of the threshing chamber.\r\nThe research methods to use included some stages. They were machine\r\nmodification design, machine modification, testing results of modification,\r\nobservation, and data processing. The machine testing was conducted with 4\r\ndifferent treatments with 3 replications where the differences were on the width of\r\npaddy straw disposal place manually. These treatments were wide of disposal\r\nchannel of 15 cm, 13 cm, 11 cm, and 9 cm. Observations were conducted to\r\npercentages of threshed paddy grain, unthreshed paddy grain, good threshed\r\npaddy grain, damaged threshed paddy grain, duration of threshing and machine\r\ncapacity per hour.\r\nThe testing results showed that the directing channel was able to direct the paddy\r\nstraw into paddy straw disposal gate. The average of time to thresh 5 kg raw\r\npaddy straw was 1,37 minutes with average percentage of good threshed paddy\r\ngrain was 98,58% and the percentage of threshed paddy grain was 95,83%.\r\nTesting this machine was conducted by threshing paddy straw in once feeding\r\ncontinually into the thresher machine. This hammer type paddy thresher machine\r\nhad working capacity of 106,43 kg/hour averagely. This amount was lesser than\r\nthe power thresher type machine working capacity that reached 500-600 kg/hour\r\nby using diesel motor of 5,5-6 HP. The hammer type paddy thresher machine in\r\nthe previous research before modification had working capacity of 37 kg/hour."^^ . "2012-02-03" . . . . . . . . . . . . . . . . . . "Digital Library"^^ . . . . . . . . "Ahmad Harbi"^^ . "0614071018"^^ . "Ahmad Harbi 0614071018"^^ . . . . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "ABSTRAK .pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "ABSTRAK INGGRIS.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "BAB 1 harbi.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "BAB 2 harbi.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "BAB 3 harbi.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "bab V harbi.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "COVER.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "COVER DALAM.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "DAFTAR GAMBAR.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "DAFTAR PUSTAKA harbi.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "LEMBAR PENGESAHAN.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "DAFTAR ISI.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "PERSEMBAHAN.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "RIWAYAT HIDUP.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (File PDF)"^^ . . . "SANWACANA.pdf"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (Other)"^^ . . . . . . "lightbox.jpg"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (Other)"^^ . . . . . . "preview.jpg"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (Other)"^^ . . . . . . "medium.jpg"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (Other)"^^ . . . . . . "small.jpg"^^ . . . "MODIFIKASI ALAT PERONTOK PADI\r\nTIPE HAMMER THRESHER (Other)"^^ . . . . . . 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