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Rahmat Fajrul
Politeknik Negeri Bengkalis
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PENGARUH MEDIA CARBUZING ANTARA ARANG TEMPURUNG KELAPA DAN ARANG KAYU BAKAU TERHADAP NILAI KEKERASAN BAJA KARBON RENDAH Kadriadi Kadriadi; Rahmat Fajrul; Kadex Widhy Wirakusuma
MEDIA BINA ILMIAH Vol 16, No 2: September 2021
Publisher : BINA PATRIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33758/mbi.v16i2.1258

Abstract

The aim of this research is to investigate the influence of carburizing media variation to the microstructure and hardness of low carbon steel in pack carburizing process. The pack carburizing process is after applied to get hardness in the surface and ductility in the middle of metal.This research, carburizing media used is coconut shell charcoal, mangrove wood charcoal with a percentage weight of each - each 900g and 50:50 coconut shell charcoal and mangrove wood charcoal. In this study carburizing process carried out at a temperature of 950ºC with heating time of 180 minutes, 60 minute detention for the three processes Carburizing, The results of this research  indicate that the media coconut shell charcoal is more effective as compared carburizing media mangrove wood charcoal and a 50:50 mixture of coconut shell charcoal and wood bakau.campurang 50:50 coconut shell charcoal and mangrove wood charcoal violence occurs on the outside of 55 HRC With percentage increase of 313.5% at the beginning and harder than the carburizing Media coconut shell charcoal and wood inside the mangrove but resilient.
Perancangan Mesin Pengaduk Pakan Ternak Type Horizontal Dengan Penggerak Motor Diesel 5 Pk Akmal Indra; Rahmat Fajrul; Mahfuddin; M Abdullah; Budi Hidayat
ABEC Indonesia Vol. 10 (2022): 10th Applied Business and Engineering Conference
Publisher : Politeknik Caltex Riau

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Abstract

Palm fronds resulting from the pruning process can be used as organic fertilizer and animal feed.Communities in Bengkalis Regency, especially in Pinggir District, are still constrained in the processing of palmmidrib to be used as animal feed, especially in the process of mixing or stirring. The purpose of this research is todesign and manufacture a horizontal type animal feed mixer machine and to test the performance of the machine.This research activity will later conduct machine performance trials at research partners and conduct training onthe use of machines and hand over machines to research partners to be utilized or used in the process of mixinganimal feed.
Rancang Bangun Destilator Destilasi Minyak Serai Wangi Kapasitas 100 kg/ Proses. Muhammad Syaifudin Zuhri; Abdul Gafur; Rahmat Fajrul
INOVTEK - SERI MESIN Vol 1, No 2 (2021)
Publisher : Politeknik Negeri Bengkalis

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (254.982 KB) | DOI: 10.35314/ism.v1i2.2040

Abstract

Penelitian ini untuk  merancang dan membuat destilator alat destilasi minyak serai wangi dengan kapasitas 100 kg. Merancang destilator jenis ini menggunakan standar perancangan ASME (American Society of Mechanical Engineers) dan membuat gambar desain dengan menggunaka software Autodesk Inventor versi 2017. Hasil penelitian didapatkan spesifikasi destilatortekanan internal perancangan 3 bar dan tekanan operasi 2 bar. Dengan dimensi destilator yaitu diameter 800 mm, tinggi 1200 mm. Material yang digunakan Stainlees steel 304 dan pipa Stainlees steel. Dengan volume tabung 454 kg, tekanan desain 65 psi dan temperature desain 352 oF. Metode destilasi yang akan digunakan ialah metode destilati uap langsung. Kata kunci: Destilator, destilasi, ASMEThis research is to design and manufacture a distillation device for citronella oil distillation with a capacity of 100 kg. Designing this type of distillator using ASME (American Society of Mechanical Engineers) design standards and making design drawings using the 2017 version of Autodesk Inventor software. The dimensions of the distillator are 800 mm in diameter and 1200 mm in height. The material used is Stainlees steel 304 and Stainlees steel pipes. With a cylinder volume of 454 kg, a design pressure of 65 psi and a design temperature of 352 oF. The distillation method that will be used is the direct steam distillation method.Keywords: Distillation, distillation, ASME           
Rancang Bangun Mesin Pencetak Pelet Ikan Multifungsi Rahmat Fajrul; Akmal Indra; Bambang Dwi Haripriadi
Jurnal Inovator Vol. 6 No. 1 (2023): Rancang Bangun Mesin
Publisher : LPPM Politeknik Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37338/inovator.v6i1.6

Abstract

One of the obstacles in raising tapah fish is in the supply of feed. Tapah fish is a carnivorous predatory fish that eats small fish so it is very dependent on live fish feed. For this reason, it is necessary to get used to feeding with artificial feed (pellets). Usually for one time the process of making feed uses a total weight of 10 kg of raw materials and takes approximately 4 hours. This situation is very detrimental to fish farmers because they cannot increase the number of fish and the number of ponds anymore due to limited feed in the form of pellets. Apart from raising tapah fish, the people of Lubuk Gaung Village also have a poultry business, especially chicken livestock. The feed used in this poultry is milled corn feed. In the manufacture of ground corn feed, 60% is corn raw material. Corn grain size is very influential on the growth of poultry. Both of these machines are already sold on the market separately, it's just that these two machines are quite expensive. For animal feed pellet machines, they are sold at a price of Rp. 15,760,000 and a corn grinding machine is sold at Rp. 8,500,000
Co-Authors Abdul Gafur Akmal Indra Bambang Dwi Haripriadi Budi Hidayat Kadex Widhy Wirakusuma Kadriadi Kadriadi M Abdullah Mahfuddin Muhammad Syaifudin Zuhri