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OPTIMALISASI SALURAN PENAMBAH PADA CORAN ROLL PRESS Suratman, Rochim; Yudiyanto, Oyok
Mesin Vol 17, No 1 (2002)
Publisher : Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (667.137 KB)

The high yield rate of casting product indicates the efficiency of casting process. Yield of casting is defined as a ratio between the casting weight to the total weight included the riser and gating system. Increasing yield could be accomplished through the optimizing of riser. Trial and error of the existing alternative designs is the most commonly method. This requires a lot of time and money. Computer software is used in order to reduce this effort. The applied software is AFS solidification system which enable us to simulate the cooling and solidification process. The alternative designs could be simulated on the computer. By using FCD 700 as the base material of Roll press, the research gave an increase of yield, i.e. from 68,5 % yield to 76,6%. yield This is significant for a casting weight of 139 kg.

Pemberdayaan Petani Kopi melalui Teknologi Mesin Pulper Kopi dan Aplikasi Penjualan Online Berbasis Website Susilawati, Susilawati; Rahayu, Slamet; Buchori, Azhis Sholeh; Ardin, Masri Bin; Fathurohman, Ferdi; Yudiyanto, Oyok
Community Empowerment Vol 6 No 2 (2021)
Publisher : Universitas Muhammadiyah Magelang

Pandemik Covid-19 di Indonesia menimbulkan permasalahan pada Usaha Kecil Menengah (UKM) Mukti Raharja yaitu penurunan omset pendapatan hingga 50% karena sebagian besar transaksi penjualan dilakukan secara offline. Permasalahan selanjutnya yaitu mitra UKM masih kekurangan mesin pengupas kopi cherry (mesin pulper kopi) karena baru memiliki satu buah mesin sehingga hasil panen petani kopi tidak dapat diolah seluruhnya. Metode pemecahan masalah yang dilakukan yaitu setelah dilakukan identifikasi permasalahan dan kebutuhan mitra, dibuat rancangan mesin pulper kopi dan tampilan website sesuai kebutuhan mitra UKM, selanjutnya dilakukan proses pembuatan mesin pulper kopi berkapasitas 360 kg/jam serta aplikasi website hingga dilakukan serah terima alat berupa mesin pulper kopi, aplikasi website beserta set komputer, kamera dan sealer serta dilakukan pendampingan untuk penerapan teknologi tersebut. Hasil kegiatan yaitu bertambahnya kapasitas produksi dengan adanya mesin pulper kopi kapasitas 360 kg/jam, daya motor 1,5 hp, daya total 1500 Watt dan telah diaplikasikan penjualan online berbasis website melalui link http://kopicanggah.com/ dengan pendapatan tambahan dari penjualan online sebesar Rp. 3.530.000; sebanyak 16 transaksi selama 22 hari dan mengalami peningkatan sebesar 41% dari pendapatan bulan sebelumnya.

MANUFACTURING OF ELECTRICAL DRYER MACHINE FOR FOOD AND FRUIT PRODUCTS Adhan Efendi; oyok yudiyanto; Ridwan Baharta
VANOS Journal of Mechanical Engineering Education Vol 4, No 2 (2019)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v4i2.6471

Indonesia is a country with a tropical climate that has two seasons, namely the dry season and the rainy season. In the dry season, sun drying is the most widely used method for agricultural products. In the rainy season, people who open businesses in the food processing sector have difficulty predicting uncertain weather. The community needs solar thermal energy to dry food ingredients in the form of opak, tubers, fruits, etc. In the rainy season, the value of production has decreased. This study aims to create a drying machine that can help people to dry various types of food and fruit products. The research was carried out in several stages, namely field observation, literature study, design, manufacturing, and performance testing. The study states that: (1) the manufacturing process of electrical machine dryer was done in three stages: the initial stage, advanced stage, and the final stage. (2) the trial of an electrical dryer machine was used to dry opak and banana. Data obtained in the form of opak before drying weighs 3.4 ounces and after drying to 2.2 ounces. Whereas the banana before drying weighs 7.3 ounces and after drying to 4.5 ounces; (3) electrical dryer machine is very helpful in the process of drying food processed products in Subang Regency.

APLIKASI MESIN PULPER KOPI DAN PENJUALAN ONLINE BERBASIS WEBSITE DI UKM MUKTI RAHARJA UNTUK MENJAGA EKONOMI TETAP PRODUKTIF DALAM ERA PANDEMIK COVID 19 Susilawati; Slamet Rahayu; Azhis Sholeh Buchori; Masri Bin Ardin; Ferdi Fathurohman; Oyok Yudiyanto
Panrita Abdi - Jurnal Pengabdian pada Masyarakat Vol. 5 No. 3 (2021): Jurnal Panrita Abdi - Juli 2021
Publisher : LP2M Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/pa.v5i3.12290

Abstract. The pulper coffee machine technology is one of the tools for peeling cericoffee beans which is applied at UKM Mukti Raharja to increase its coffee production capacity. Meanwhile, a website-based online sales application with the link: http://kopicanggah.com/ is one of the technologies applied to increase the sales of UKM. The purpose of this service program is to increase production capacity and increase sales. The service methods carried out consist of identification of UKM needs, website design/design and pulper coffee machines and training modules, training operational assistance and implementation of pulper coffee machines and website-based online sales applications, service program outputs. The results obtained, namely, the trial application of the pulper coffee machine obtained a machine capacity of 360 kg/hour, a total power of 1500 Watts, and a motor power of 1.5 hp. The results of the application website-based online sales were 16 transactions over 22 days with a total transaction of Rp. 3,530,000 or an increase in sales as 41% from the previous month's income. Abstrak. Teknologi mesin pulper kopi merupakan salah satu alat untuk mengupas biji kopi ceriyang diterapkan di UKM Mukti Raharja untuk meningkatkan kapasitas produksi kopinya. Sedangkan aplikasi penjualan online berbasis website dengan link: http://kopicanggah.com/ merupakan salah satu teknologi yang diterapkan untuk meningkatkan omset penjualan UKM. Tujuan program pengabdian ini adalah untuk meningkatkan kapasitas produksi dan meningkatkan omset penjualan dari UKM. Metode pengabdian yang dilakukan terdiri dari: identifikasi kebutuhan UKM, desain/perancangan website dan mesin pulper kopi serta modul pelatihannya, pendampingan operasional pelatihan dan implementasi mesin pulper kopi dan aplikasi penjualan online berbasis website, output program pengabdian. Hasil yang diperoleh yaitu uji coba pengaplikasian mesin pulper kopi diperoleh kapasitas mesin sebesar 360 kg/jam, daya total 1500 Watt dan daya motor 1,5 hp. Hasil pengaplikasian penjualan online berbasis website yaitu diperoleh 16 transaksi selama 22 hari dengan total transaksi sebesar Rp. 3.530.000 atau mengalami peningkatan omset sebesar 41% dari pendapatan bulan sebelumnya.

OPTIMALISASI SALURAN PENAMBAH PADA CORAN ROLL PRESS Rochim Suratman; Oyok Yudiyanto
Mesin Vol. 17 No. 1 (2002)
Publisher : Mesin

Show Abstract | Download Original | Original Source | Check in Google Scholar

The high yield rate of casting product indicates the efficiency of casting process. Yield of casting is defined as a ratio between the casting weight to the total weight included the riser and gating system. Increasing yield could be accomplished through the optimizing of riser. Trial and error of the existing alternative designs is the most commonly method. This requires a lot of time and money. Computer software is used in order to reduce this effort. The applied software is AFS solidification system which enable us to simulate the cooling and solidification process. The alternative designs could be simulated on the computer. By using FCD 700 as the base material of Roll press, the research gave an increase of yield, i.e. from 68,5 % yield to 76,6%. yield This is significant for a casting weight of 139 kg.

Design of Soybean Epidermis Peeling Machine Susilawati Susilawati; Masri Bin Ardin; Ferdi Fathurohman; Oyok Yudiyanto
VANOS Journal of Mechanical Engineering Education Vol 8, No 1 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i1.17764

The process of stripping the soybean epidermis on tempe producers still uses the traditional method, namely by trampling the soybeans in the container until peeled. This causes the soybean to be crushed or split into two because the pressure exerted is unstable and unhygienic, need more time and effort. The aim of the study was to design a soybean epidermis peeler machine. The stages of the research were assessment, design, and validation design. The results of the research are machine designs with dimensions of length 505 mm, width 391 mm and height 815 mm with conventional pulley drives with crank manual working system and friction with capacity of 20 Kg/hour. The application of the machine soybean husk remover makes less effort is used and separation process of the skin from the soybean can be done more quickly so that it can increase production capacity.

The Analysis of Heat Transfer on Hot Air Coffee Roasters at the Appropriate Technology Research Centre, National Research and Innovation Agency in Subang Susilawati Susilawati; Azhis Sholeh Buchori; Nurizzi Rifqi Ferdian; Dimas Rizky Ummaramdani; Dadang Hidayat; Oyok Yudiyanto; Faadiyah Cheryl Rhacelia
VANOS Journal of Mechanical Engineering Education Vol 8, No 2 (2023)
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30870/vanos.v8i2.22210

Roasting occurs due to heat transfer from the heating surface into the material. Coffee roasting plays an important role in determining the chemical composition, aroma, and taste of coffee. There are two main types of coffee roasters, namely drum and hot air roasters. This research aims to determine the heat transfer in hot air coffee roasters. The data collected consists of roasting time, coffee bean temperature, roasting room temperature, fuel consumption and air flow speed in the cyclone system chimney and sample was carried out at medium roasting level, with three repetitions. The method used is theoretical analysis and experimental testing. The results showed that the heat transfer mechanism in hot air roasting is a conduction and convection mechanism. The amount of conduction and convection heat transfer in the coffee roasting equipment was carried out in three repetitions. It was also found that factors that influence the rate of heat transfer in hot air roasting equipment are due to conduction and convection, as well as influenced by heat transfer surface area, thermal conductivity, air flow speed from blower pressure and pressure on the gas fuel. The results of the research show that the heat transfer mechanism in hot air roasting is a conduction and convection mechanism. The amount of heat transfer in one repetition of the conduction quantity (Q) is 9222.8 W and the convection rate (Q) is 3209.4 W with an average efficiency of 34.7%, in two repetitions the conduction quantity (Q) is 9883.3 W and the convection rate (Q) is 3444.6 W with the average efficiency is 34.8%, at three repetitions the conduction (Q) is 9690.3 W and the convection rate (Q) is 1123.3 W, the average efficiency is 11.6%. Factors that influence the rate of heat transfer in hot air roasting tools are conduction and convection, heat transfer surface area, thermal conductivity, air flow speed due to blower pressure and pressure on LPG gas fuel.

PENINGKATAN KAPASITAS PRODUKSI IKAN MELALUI TEKNOLOGI ALAT PAKAN IKAN OTOMATIS MENGGUNAKAN SEL SURYA UNTUK PETERNAK IKAN DI DESA CIJAMBE, KECAMATAN CIJAMBE, SUBANG Susilawati; Azhis Sholeh Buchori; Slamet Rahayu; Ferdi Fathurohman; Oyok Yudiyanto
Panrita Abdi - Jurnal Pengabdian pada Masyarakat Vol. 8 No. 1 (2024): Jurnal Panrita Abdi - Januari 2024
Publisher : LP2M Universitas Hasanuddin

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/pa.v8i1.23499

Cijambe district is a famous area for fish farming. The group of tilapia and carp farmers consists of 50 people, and each of them has 10 to 12 ponds. The problem is that the conventional feeding system requires a lot of time and schedule uncertainty. As a result, problems arise in the fish’s growth and size. On the other hand, too much feed causes high production costs. The solution offered is by applying an automatic fish feeder (AFF) solar cell-based. The AFF is capable of providing fish feed periodically, three times a day. The feeding schedule is set at 07.00, 12.00, and 16.00. The purpose of this service program is to increase the production of fish farmers in Cijambe village through AFF technology using solar cells. The method used is identifying the needs of fish farmers, designing AFF tools, manufacturing AFF, operational assistance training of using and maintenance of AFF, and the output of the program. The results of the community service activities were an increase in feeding efficiency from 69.4% to 86.8%, an increase in knowledge and skills about AFF from the fish farmers group at 70%, and an increase in carp production capacity from 5 tons per month to 8 tons, and tilapia from 15 tons per month to 24 tons or an increase in production capacity of 60%. --- Kecamatan Cijambe merupakan daerah yang terkenal dengan budidaya ikan. Sebanyak 50 peternak sebagai kelompok peternak ikan yang masing – masing memiliki kolam 10 hingga 12 kolam. Permasalahan yang dihadapi peternak ikan adalah pemberian pakan ikan yang dilakukan secara manual sehingga dibutuhkan waktu yang banyak dan jadwal ketidakpastian pemberian pakan berdampak pada pertumbuhan dan ukuran ikan. Di samping itu, terlalu banyak pemberian pakan menyebabkan tingginya biaya produksi. Solusi yang ditawarkan yaitu dengan menerapkan teknologi alat pakan ikan otomatis/Automatic Fish Feeder (AFF)berbasis solar cell. AFF tersebut mampu memberikan pakan ikan secara otomatis secara periodik, tiga kali sehari. Jadwal pemberian pakan di atur pada pukul 07.00, 12.00 dan 16.00. Tujuan program pengabdian ini adalah untuk meningkatkan produksi kelompok peternak ikan desa Cijambe melalui teknologi alat pakan ikan otomatis menggunakan solar cell. Metode pengabdian yang dilakukan yaitu identifikasi kebutuhan peternak ikan, desain alat pakan ikan otomatis, pembuatan alat pakan ikan otomatis, pendampingan operasional pelatihan penggunaan dan pemeliharaan alat pakan ikan otomatis, dan output program pengabdian. Hasil kegiatan pengabdian yaitu terjadi peningkatan efisiensi pemberian pakan dari 69,4% menjadi 86,8%, terjadi peningkatan pengetahuan dan keterampilan tentang AFF dari kelompok peternak ikan sebesar 70% dan peningkatan kapasitas produksi ikan mas dari 5 ton per bulan menjadi 8 ton, dan ikan nila dari 15 ton per bulan menjadi 24 ton atau terjadi peningkatan kapasitas produksi sebesar 60%.

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