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Menhendry
Jurusan Teknik Mesin Politeknik Negeri Padang
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Analisa Kekerasan dan Ketebalan Permukaan Lapisan Hasil Elektroplating Kuningan Pada Baja Rakiman Rakiman; Hanif Hanif; Menhendry Menhendry; Maimuzar Maimuzar; Yuli Yetri
JST (Jurnal Sains Terapan) Vol 7, No 1 (2021): JST (Jurnal Sains Terapan)
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat, Politeknik Negeri Balikpapan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32487/jst.v7i1.1114

Abstract

Korosi merupakan proses spontan yang terjadi pada logam karena pengaruh lingkungan. Terbentuknya korosi dipermukaan logam tidak bisa dicegah, tetapi bisa diperlambat proses terjadinya. Salah satu usaha untuk memperlambat laju korosi adalah dengan melakukan pelapisan (elektroplating) pada permukaan logam tersebut. Telah dilakukan proses elektroplating kuningan pada baja karbon rendah ST-37  dengan variasi waktu 10 menit, 15 menit, 20 menit dan 25 menit serta variasi suhu larutan elektrolit 40°C, 45°C, 50°C, dan 55°C. Karakteristisasi lapisan dilakukan dengan menggunakan mikroskop stereo dan kekerasan dengan uji keras Vicker. Hasil pengujian menunjukan bahwa peningkatan waktu dan suhu berbanding lurus  dengan ketebalan dan kekerasan yang dihasilkan. Nilai ketebalan dan kekerasan terendah ditemukan pada 40°C dengan waktu 10 menit 11,323 μm 182,4 VHN, dan nilai rata-rata ketebalan dan kekerasan tertinggi diperoleh pada 25 menit dengan suhu 55°C yaitu 29,333 μm dan 218,8 VHN.  Dari hasil yang diperoleh dapat disimpulkan bahwa peningkatan waktu dan suhu yang diberikan berbanding lurus dengan ketebalan dan kekerasan. Nilai ketebalan dan kekerasan tertinggi diperoleh pada 25 menit dengan suhu larutan 55°C.
Analisa Dan Perancangan Cylinder Block Mesin Compressor Tipe SDP 07-25 ¾ HP 25L Ricky Fernandez; Menhendry Menhendry; Yuliarman Yuliarman
Jurnal Teknik Mesin Vol 11 No 1 (2018): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

A compressor is a mechanical device used to increase fluid pressure, both gas and air pressure. The most used compressors are SDP 07-25 ¾ HP 25L compressors. Then Cylinder Block is a component inside the compressor that functions as the place where the piston and ring work to take place to do the work process, suction, compression and exhaust. The emergence of the idea of the process of reproducing Cylinder Block is so that an organization or company is able to produce independently of the Cylinder Block and to minimize costs in the production process. The most basic thing that is done for this process of reproduction / reverse engineering is by doing Machining techniques. Machining technique is the production process of a component in an easy way
Pengaruh Tinggi Air Masuk Dan Diameter Pipa Outlet Terhadap Tinggi Air Keluar Pompa Hidram Zulhendri Zulhendri; Yuliarman Yuliarman; Menhendry Menhendry; Nota Effiandi; Putri Adeliza
Jurnal Teknik Mesin Vol 12 No 2 (2019): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

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Abstract

The pump is a device that can lift water from a lower height to a higher place, but because there are many pumps in the market that use electricity as a power plant and the selling price is quite high for rural communities, an appropriate pump is needed and cheap. Hydram pump is one alternative, where the workings of this tool can raise the water to a higher place with energy or power that comes from the water itself. Making Hydram pumps itself is relatively inexpensive, simple and durable. Hydram pumps are very popular because they work without using energy, so it is suitable for use in villages that do not have electricity. The purpose of this study was to determine the effect of the height of the incoming water and the diameter of the outlet pipe on the height of the outlet water at the hydram pump. In this study the height of the incoming water was varied as high as 0.5m, 1m and 1.5m while the diameter of the aoutlaet pipe was varied by 0.5inc, ¾ inc and 1 inc. From this experiment it was found that the height of the incoming water and the diameter of the outlet pipe significantly influence the height of the outgoing water, of the two factors most influential on the height of the outgoing water is the height of the incoming water
Penerapan Quality Control pada Souvenir Logo PNP dengan Metode Box Plot dan Six Sigma Menhendry Menhendry; Alfian Alfian; Elvis Adril; Junaidi Junaidi; Zulhendri Zulhendri
Jurnal Teknik Mesin Vol 14 No 2 (2021): Jurnal Teknik Mesin
Publisher : Politeknik Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/jtm.14.2.674

Abstract

The quality of a product determines the level of market demand. This paper discusses the determination of the quality level of plastic molding with the sigma level method which uses the Box Plot to determine the desired quality limit. The purpose of this research is to determine the level of quality of product using statistics. The object of this research is to determine the weight variation of the souvenir of PNP logo with a weight indicator. The experiment were carried out on 200 samples taken at random.Then each sample is numbered from 1 to 200. Each sample is weighed carefully. The results obtained were processed using a box plot to obtain the numbered of rejected samples from 200 samples that were weighed. The result of data processing obtained 19 reject products from 200 products tested. From this data there are 9,5% of products that do not meet the desired specifications. Furthermore, the sigma level is determined from the results of data processing using a box plot. DPMO of 9.5% is 95000 Defects per Milion Opportunities. The result of determining the sigma level is 2.8 Sigma.
Perawatan dan Perbaikan Pompa Sentrifugal 800LC-38A Untuk Sirkulasi Air Pendingin Pada PLTU Alifur Rahman; Zikri Hamdani; Darman Dapersal Dinar; Menhendry; Yuli Yetri
Jurnal Teknologi dan Rekayasa Manufaktur Vol 3 No 1 (2021): Vol 3 No 1 (2021): Volume: 3 | Nomor: 1 | April 2021
Publisher : Pusat Pengembangan, Penelitian dan Pengabdian kepada Masyarat (P4M) Politeknik Manufaktur Bandung (Polman Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48182/jtrm.v3i1.71

Abstract

800LC-38A Centrifugal Pump is a very important pump in the 2x15 MW PLTU, PT. Industrial Area Dumai-Wilmar Group, Riau Province. Where the efficiency of the 2x15 MW power plant is quite influenced by this pump. The 800LC-38A Centrifugal Pump functions as a cooling water circulation at the 2x15 MW PLTU so that productivity at the 2x15 MW PLTU runs smoothly. The aim is to explain the damage that occurs and be able to perform maintenance and repairs to the pump. Maintenance measures at the 800LC-38A Centrifugal pump are Preventive Maintenance, Predictive Maintenance and Corrective Maintenance. The problem that occurs in this pump is the reduced pump capacity and high vibration. While damage occurred to pump components such as pump shafts, shaft sleeves and casings which were corroded, teflon / guide bearings were damaged, and pump impellers were cracked due to cavitation on the pump. Maintenance carried out on the 800LC-38A Centrifugal pump in the form of checking the condition of the bearing, checking vibration and lubrication. The repairs made to the pump shaft that is corroding is by metalizing, for the case of the pump that is corroded can be overcome by coating / coating, shaft sleeve that is corroding and the impeller which is cracked due to cavitation cannot be repaired but a component replacement must be done.
Perawatan dan Perbaikan Sistem Hidrolik pada Dumping Dump Truck Mitsubishi Fuso 190Ps Fajri Alrazzak; Jeri Mahyuda; Menhendry; Zulfikar
Jurnal Teknologi dan Rekayasa Manufaktur Vol 3 No 1 (2021): Vol 3 No 1 (2021): Volume: 3 | Nomor: 1 | April 2021
Publisher : Pusat Pengembangan, Penelitian dan Pengabdian kepada Masyarat (P4M) Politeknik Manufaktur Bandung (Polman Bandung)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.48182/jtrm.v3i1.72

Abstract

The hydraulic system in a dump truck that consists of several components requires a planned maintenance action, so that the hydraulic system can function optimally. The purpose of writing is to be able to do damage analysis and can take corrective actions appropriately and correctly. The analytical method in the analysis of maintenance and repair of hydraulic systems is to use several questions, namely what, why, where and how. The main components of dump truck hydraulic systems that require maintenance are hydraulic tanks, pumps, valves, actuators, filtration and hydraulic hose, while the main causes of damage from hydraulic system components are due to poor hydraulic oil cleanliness, contamination in the system, and overload ( over load). To overcome the damage that occurs is by implementing management care and repair that is correct, planned and in accordance with the SOP.
Perancangan dan Simulasi Mesin Perontok Biji Jagung Kapasitas 400 Kg/Jam Azzah Rosadi, Nabilla; Ulhafidzah, Annisa; Yuliarman, Yuliarman; Menhendry, Menhendry; Yetri, Yuli
Manutech : Jurnal Teknologi Manufaktur Vol. 15 No. 02 (2023): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v15i02.231

Abstract

Corn is one of the main sources of carbohydrates in Indonesia. Corn growth has reached all regions of the archipelago. As a source of carbohydrates other than rice, corn can also be processed into various food industry products such as snacks. In addition, corn can also be used as animal feed so the need for shelled corn is very high in Indonesia. Therefore we need an appropriate technology that functions to facilitate human work to produce shelled corn in a short time and high production yields. So Corn Seed Threshing Machine was designed with a capacity of 400 kg/hour. This machine consists of main components such as a cylinder shell, funnel, guide, and reservoir. This machine uses a 1.5 HP electric motor with a rotation of 1400 rpm and uses a Belt and Puli transmission system. The sheller shaft is added with a spiral-shaped sheller tooth.
Pelatihan Keselamatan Dan Kesehatan Kerja (K3) Industri Di SMK N 1 Batusangkar Adril, Elvis; Leni, Desmarita; Fardinal, Fardinal; Menhendry, Menhendry; Junaidi, Junaidi; Mulyadi, Mulyadi
JAPEPAM, Jurnal Pengabdian kepada Masyarakat Vol. 2 No. 1 (2023): JAPEPAM
Publisher : Pusat Penelitian dan Pengabdian kepada Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30630/japepam.v2i1.12

Abstract

Pelatihan manajemen K3 yang dilakukan oleh tim PKM pada siswa SMK N 1 Batusangkar menunjukkan bahwa peserta sangat mengikuti pelatihan dengan baik dan memahami materi dengan sangat serius. Pelatihan ini bertujuan memberikan edukasi penting terhadap manajemen K3 dilapangan kerja. Metode diterapkan pada pelatihan ini adalah memberikan materi dan memberikan contoh simulasi K3 yang benar saat dilapangan, agar siswa-siswi ini bisa paham dengan APD (alat pelindung diri) yang merekan gunakan. Setelah pelatihan berlangsung untuk mengetahui seberapa berhasil siswa-siswi ini paham terhadap manajemen K3, tim PKM memberikan angket kepada siswa-siswi SMK 1 N Batusangkar guna evaluasi materi yang disampaikan. Hasil dari kuisioner ini menunjukkan bahwa pelatihan K3 di SMK N 1 Batusangkar berhasil meningkatkan pemahaman peserta tentang K3 dan budaya K3 di tempat kerja, serta meningkatkan tingkat kepatuhan peserta terhadap aturan K3. Namun, masih terdapat beberapa peserta yang kurang memahami manajemen K3 dan tidak terlatih dalam menanggulangi kecelakaan kerja. Kegiatan pelatihan K3 ini diadakan berguna untuk memperkuat pemahaman peserta tentang budaya K3.
Spreading Love in Fitra Qaseh Refuge Home Malaysia: A Community Service Activity Sumiati, Ruzita; Fardinal, Fardinal; Menhendry, Menhendry; Nofriadi, Nofriadi; Nasrullah, Nasrullah; Abdullah, Irinah binti; Lim, Hooi Peng
International Journal of Research in Community Services Vol. 5 No. 2 (2024)
Publisher : Research Collaboration Community (Rescollacom)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46336/ijrcs.v5i2.595

Abstract

Fitra Qaseh Orphanage is a shelter for children who have been abandoned by their parents due to social problems within the family. Fitra Qaseh Orphanage which is known as the Fitra Qaseh Refuge Home is located in Johor Bahru City, Malaysia. Fitra Qaseh currently currently accommodates 53 children ranging from 1 month to 17 years old. The problem that faced by Fitra Qaseh is the development of facilities for the residents' outdoor play and activities. Fitra Qaseh outdoor activities, providing motivation for residents of Fitra Qaseh shelter homes in the form of in the form of education, religious knowledge, protection and affection, Providing assistance to fulfil the daily needs of residents both food and fulfil the daily needs of residents both food and clothing for daily needs residents of the Fitra Qaseh protection house. For this reason, Ibrahim Sultan Polytechnic (PIS) and Politeknik Negeri Padang (PNP) collaborate in the context of international community service International. The aim of this collaborative community Service activity is to address issues that arise at the orphanage. The community service is implemented using the applicative method, which directly solves the problems that exist in partners. The step of activity is survey, collecting data, plan resolve the problem and action. The result of this program are The results of this activity are that the facilities and infrastructure of the orphanage have been repaired, assistance has been provided and children have been motivated to keep learning to reach their goals. 
Co-Authors Abdullah, Irinah binti Alfian Alfian Alifur Rahman Azzah Rosadi, Nabilla Darman Dapersal Dinar Elvis Adril Elvis Adril Fajri Alrazzak Fardinal, Fardinal Hanif Hanif Jeri Mahyuda Junaidi - - Junaidi Junaidi Lim, Hooi Peng Maimuzar Maimuzar Mulyadi Mulyadi Nasrullah Nasrullah Nofriadi Nofriadi Nota Effiandi Putri Adeliza Rakiman Rakiman Ricky Fernandez Ruzita Sumiati Ulhafidzah, Annisa Yuli Yetri Yuliarman Yuliarman Yuliarman Yuliarman Zikri Hamdani Zulfikar Zulhendri Zulhendri