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All Journal JHP17 (Jurnal Hasil Penelitian) Jurnal Rekayasa Mesin Share : Journal of Service Learning
Edi Santoso
Universitas 17 Agustus 1945, Jl. Semolowaru 45, Surabaya
Arts Humanities Mechanical Engineering Social Sciences Other

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ANALISA PENGARUH PANJANG PIPA INLET DAN PANJANG PEGAS KATUB BUANG TERHADAP PERFORMANCE POMPA HIDRAM Santoso, Edi; Utomo, Gatut Priyo; Martini, Ninik
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 01 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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Abstract

Hidram pump is one of the water pumps are energy efficient andenvironmentally friendly. Pump hidram an effective technology in the field ofenergy pumping by using the momentum of the water (water hammer) to raisethe water, so the pump hidram one water pump that does not use fuel andelectricity. Effectiveness hidram pump performance is affected by severalparameters such as the diameter of the pipe, reservoir height, exhaust valve, theair tube on hidram pump, inlet pipe length. This study aimed to observe andanalyze the effect on the length of the inlet pipe to the pump hidram highdischarge pumps and pumping. This research method through the design of thepump installation hidram and observation influence the inlet pipe length (6 m, 8m, 10 m), and the observation of the effect of the length of the exhaust valvespring (7 cm, 8 cm, 10 cm) to the pressure value (H) and the value of discharge(Q) to the pump performance hidram. The test is performed in ProductionProcess Laboratory August 17, 1945 University of Surabaya. The longer thepipe, the flow in the pump inlet hidram (Q) generated will be even greater. So inthe above study also directly proportional to the value of head (H) anddischarge rate (Q) on the pump performance hidram. So the value of theexisting pressure in the pump hidram with maximum value is generated headwith value - average (H) 1.41 bar and the discharge of water produced with -average (Q) 21 liters / min. This is because the moment of greatest impact onthe water valve.Keywords: Pump Hidram
ANALISA PENGARUH ELECTROLESS PLATING ABU DASAR BATU BARA SEBAGAI PENGUAT KOMPOSIT MATRIKS LOGAM TERHADAP PRODUK REAKSI YANG TERBENTUK PADA PERMUKAAN ABU DASAR BATUBARA santoso, edi; Seputro, Harjo; Himawan, Eka Puji
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 02 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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An electroless plating process that does not use electric current in the coating process. Coatings that occurs due to the reaction of reduction and oxidation of [ermukaan objects, thus forming a layer of metal derived from the metal salt. Because it does not use an electric current in the electron exchange coating process happens more slowly. The purpose of this study is to see the reaction products formed on the surface of coal bottom ash results electroless plating which is affected by variations in the weight of aluminum and temperature oxidation by testing the SEM-EDX. Results of SEM-EDX will be the reaction products formed by using statistical software version PCPDF WIN 2:01. From the test results SEM-EDX with magnesium weight variation and temperature variation affects the oxidation Wt%-forming elements in it but does not affect the elements formed where for all specimens produce similar reactions, namely Aluminium Silicate Al2SiO5.Keywords: Composites, electroless plating, the reaction products formed
ANALISA PENGARUH VARIASI MEDIA PENDINGIN DAN WAKTU AGING PADA PERLAKUAN PANAS T6 TERHADAP STRUKTUR MIKRO KOMPOSIT ALUMINIUM ABU DASAR BATUBARA Susanto, Juli; Seputro, Harjo; Santoso, Edi
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 02 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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Abstract

 Aluminium is a metal which has a mild nature, corrosion resistance, and electrical conductors that are used as matiks. Bottom ash coal used for reinforcement which is useful for producing aluminum composite with excellent mechanical properties and low cost. Besides the mechanical properties of aluminum can be enhanced by the addition of alloying elements (alloying) and the heat treatment process (heat tretment). The purpose of research is a comparative changes in microstructure before and after T6 heat treatment. This research will look at the changes in the microstructure of aluminum composite bottom ash coal that have undergone a process of T6 heat treatment that includes, (solid solution) is done at a temperature of 540 °C with a holding time of 6 hours, (quenching) with media cooling water, salt water (brine), oil, and (aging) with aging time of 2 hours, 4 hours, and 6 hours at a temperature of 180 °C From the results of tests performed on the aluminum composite material coal bottom ash, before and after T6 heat treatment process shows that. Granules greatest average diameter of the grain is shown by the media granules with salt water cooling 6-hour holding time for 165,3pm, and the smallest is 95,58pm with water cooling media holding time 6 hours, while aluminum composite granules of coal bottom ash without treatment equal to 158.4 pmKeywords: aluminum, coal bottom ash, heat treatment, quenching, aging, microstructure
STRUKTUR MIKRO CORAN KOMPOSIT Al 6061 + ABU BATUBARA SETELAH PERLAKUAN T6 Ahmad, Zainun; Santoso, Edi
JHP17 (Jurnal Hasil Penelitian) Vol 1 No 01 (2016)
Publisher : Lembaga Penelitian Dan Pengabdian Kepada Masyarakat Universitas 17 Agustus 1945 Surabaya

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Heat treatment on the aluminum alloy is done by heating until a singlephase was then arrested a few moments and forwarded by rapid cooling to nothave time to change to another phase. If the material was left for a certainperiod of time then there was the process of aging (aging). Changes will occurin the form of precipitation (precipitation) The second phase begins with theonset of nucleation and atom clusters that became the beginning of theprecipitates. This precipitates can increase the strength and hardness. Thisprocess is the age hardening process called natural aging. If after rapid coolingthen heated again to below the solvus temperature (solvus line) then detained inthe long term and followed by slow cooling in the air called artificial agingprocess (artificial aging). This study aims to determine the microstructure ofwhat is formed from a material with a temperature variation of aging (200oC,225oC, 250oC) and holding time (8 hours, 12 hours, 16 hours) to determine howmuch influence the variables, can be analyzed through testing SEM EDXA.From the test results of SEM-EDXA it can be determined microstructure formedin 6061 + Al composite coal bottom ash, which is composed of aluminum oxidecompound of Al 2 O 3 and MgO.Keywords: microstructure, composites, coal bottom ash
PENYULUHAN MESIN PENIRIS MINYAK KERIPIK PISANG Moh. Mufti; Edi Santoso; M. Sahrul Maulana
Share : Journal of Service Learning Vol. 6 No. 2 (2020): AUGUST 2020
Publisher : Institute of Research and Community Outreach - Petra Christian University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (516.286 KB) | DOI: 10.9744/share.6.2.76-80

Abstract

Abstraksi            Buah pisang adalah salah satu buah potensial di Desa Galengdowo, yang dapat berbuah sepanjang tahun. Hasil panen pisang mencapai ± 10 ton / tahun. Selama panen massal, terutama mangga, harga pisang turun sehingga petani mengalami kerugian besar. Akibatnya, solusi alternatif diperlukan untuk mengatasi masalah ini, yaitu dengan mengolah pisang menjadi keripik pisang, yang telah diprakarsai oleh beberapa kelompok pengrajin keripik pisang di desa Galengdowo. Masalah yang dihadapi oleh pengrajin adalah kapasitas produksi yang rendah, karena masih menggunakan metode manual, terutama terkait dengan pengeringan minyak dari wajan dan penimbangan keripik pisang. Mayoritas penduduk adalah petani & peternak sapi perah dengan tingkat pendidikan rendah (rata-rata lulusan SMP dan SMA). Dengan penyuluhan dan bantuan 1 unit TTG mesin spinner peniris minyak keripik pisang kapasitas 5 kg dan 1 unit timbangan digital dari tim, para pengrajin akan dapat meningkatkan kapasitas produksinya sehingga manfaat yang diperoleh akan lebih besar, dengan produksi keripik pisang yang enak, kering dan renyah, yang dapat diproduksi terus menerus. Sehingga akan dapat meningkatkan pendapatan pengrajin keripik pisang di Desa Galengdowo.Kata kunci: keripik pisang, mesin spinner, kapasitas produksi
Analisis Cacat Proses Pengecoran pada Pembuatan Sekrup Penyambung Tulang dengan Menggunakan Metode Cetakan Lost Wax Casting Aziz, Moh. Nor Ali; Santoso, Edi; Martini, Ninik; Rusnaldy, Rusnaldy
Jurnal Rekayasa Mesin Vol 17, No 3 (2022): Volume 17, Nomor 3, Desember 2022
Publisher : Mechanical Engineering Department - Semarang State Polytechnic

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/jrm.v17i3.3924

Abstract

Kementrian Kesehatan Republik Indonesia menerbitkan data bahwa Indonesia masih tergantung produk ortopedi impor hingga mencapai 92% pada Oktober 2017. Oleh sebab itu, inovasi pada proses manufaktur diperlukan untuk mengurangi ketergantungan Indonesia impor produk ortopedi. Sekrup penyambung tulang termasuk dalam kategori produk ortopedi yang dimana produknya tidak boleh terkorosif, tidak boleh mengalami distorsi dan memiliki akurasi dimensi yang lebih tinggi daripada sekrup pada umumnya. Salah satu proses manufaktur yang berpotensi baik dalam inovasi ini adalah lost wax casting. Berdasarkan kajian litelatur proses lost wax casting mampu menghasilkan sekrup dengan keakurasian dimensi yang baik, sehingga selanjutnya perlu dianalisis cacat yang terjadi pada proses pengecorannya. Bahan utama untuk Sekrup penyambung tulang yang aman bagi tubuh manusia adalah paduan magnesium. Namun, untuk proses pengecoran bahan ini diperlukan alat khusus karena magnesium mudah teroksidasi dan terbakar jika proses penuangan dilakukan diruang terbuka. Oleh sebab itu, untuk menghindari hal ini bahan sementara yang dipertimbangkan adalah timah pewter. Pembahasan dalam penelitian ini meliputi: proses manufakturnya dan pengamatan cacat produk. Penelitian ini dimulai dari metode experimental dengan menggunakan proses investment casting. Pembuatan cetakan pattern wax menggunakan bahan dari silicon rubber dengan pecampuran katalis 2,6% dan pengencer 10%. Sedangkan pembuatan cetakan ceramic slurry adalah campuran antara air dan gypsum dengan perbandingannya 1:1,25.
Co-Authors Dewantara, Muhammad Celvin Djoko Sulistyono, Djoko Faizin Aswanto, Muhammad Fatkhurrohman Fatkhurrohman, Fatkhurrohman Gatut Priyo Utomo, Gatut Priyo Harjo Seputro, Harjo Himawan, Eka Puji Ilhamsyah, Garuda Cakra Ismail Ismail M. Sahrul Maulana Mastuki Mastuki Moh. Mufti Moh. Nor Ali Aziz Mufti, Mohammad Ninik Martini Pratama, Muhammad Zidane Prayoga, Indrajid Ramadhan, Syaiful Alan Rigi Santoso, Achmad Rohman, Fatehur Rusnaldy Rusnaldy Sampurna, Edwin Ramadhani Setiawan, Nurdin Hadi Susanto, Dani Susanto, Juli Utomo, Mohamad Diky Dwi Yulianto, Adam Eko Zainun Ahmad, Zainun