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Optimalisasi Material Utama Pada Auto Transformator 100 MVA Asep Saepudin; Djoko Nursanto
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 7 No 1 (2020): Teknosains : Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK-Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v7i1.2

Abstract

Autotransformator is a transformer that has primary and secondary winding with the same common winding, so that it has a lighter weight compared to ordinary power transformers. The purpose of this study is to optimize the main material used in the three-phase Auto transformer in order to get the most optimum value approaching the calculation results and to know the comparison between the calculation results and the actual use of the main material in the Auto transformer and three-phase power transformer. The main material in power transformers is copper for winding and silicon steel for cores (transformer cores). Based on this research, it can be concluded that the use of main material in Auto three-phase power transformer is less than the three-phase power transformer for the same voltage and power, the magnitude of the difference in the range of 12.5% ​​for Copper and core (transformer core) range of 47.3% of the main material in the power transformer can.
Cover Volume 9, Nomor 1, Januari 2022 Asep Saepudin
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 9 No 1 (2022): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK-Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37373/tekno.v9i1.504

Abstract

Cover Volume 9, Nomor 1, Januari 2022
Cover Volume 10, Nomor 1, Januari 2023 Asep Saepudin
TEKNOSAINS : Jurnal Sains, Teknologi dan Informatika Vol 10 No 1 (2023): TEKNOSAINS: Jurnal Sains, Teknologi dan Informatika
Publisher : LPPMPK-Sekolah Tinggi Teknologi Muhammadiyah Cileungsi

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

Abstract

Cover Volume 10, Nomor 1, Januari 2023
Wear Analysis of Gear Pump Supply Fat Coating Liquid Cat Food Wilarso; Mupah Rizal; Asep Saepudin; Asep Dharmanto; Mohd. Yuhazri Yaakob; C.W. Mohd Noor
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 8 No. 1 (2024): June 2024 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v8i1.11093

Abstract

Trochoid Top 208 HBM Nippon Oil Pump (NOP) is an important unit in the cat food manufacturing process. The pump system acts as a fluid transfer agent by directing fluid from the tank to the nozzle channel. Based on Pareto and Fishbone diagram data, it was found that the main causes of problems that often occur with the Nippon Oil Pump (NOP) Type Trochoid Top 208 HBM are filter blockage (5 times) and pump gear wear (3 times). The aim of this analysis is to reduce damage to the Nippon Oil Pump (NOP) Type Slocoid Top 208 HBM and increase the production of higher quality cat food. From the results of the analysis carried out, there were several findings that caused wear on the gear pump, including the viscosity of the material being channeled which was very thick, reaching 1.37 cp. Meanwhile, the pump specifications used are only 2L/minute with a pump motor power of 0.75kw 1.86A 380V. The filter pore particles are too small, reaching 250 microns and the dimensions of the pipe used have a flow pipe diameter of ½”. From the analysis carried out, replace the pump capacity to a minimum of 4L/minute, then replace the filter with pore particles of 600 microns. And the pipe uses a diameter of 1".
Analysis of the Influence of Changes In Workpiece Rotation and High Speed Steel Lathe Tool Angles on the Surface Roughness of ST37 Workpieces Hilman Sholih; Izar Mahmud Syuhada; Asep Dharmanto; Asep Saepudin; Wilarso; C.W. Mohd Noor
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 8 No. 1 (2024): June 2024 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v8i1.11094

Abstract

Turning is a machining process used to shape products by cutting a rotating workpiece with a sharp chisel. One of the problems that occurs in the turning process is the level of surface roughness that does not meet the specified specifications. Even though the dimensions are in, the final product is rejected because the surface is too rough. The level of surface roughness is determined by several factors, including cutting speed, rotation speed and cutting edge geometry. Lathe tool geometry consists of clearance angle, relief angle, rake angle, and back rake angle. This research aims to determine the effect of spindle rotation speed and tool angle on the level of roughness of the workpiece on a lathe. Spindle rotation speed 300 rpm and 600 rpm. The only change in the tool geometry is the clearance angle with angles of 10°, 20° and 30°. The workpiece material used is ST37. The chisel material used is High speed steel (HSS). Testing of the results of the turning process is carried out by comparing the surface roughness with a surface roughness comparator. Cutting speed is not changed. From the research results, the recommended angle is an angle of 10º with the surface roughness results obtained being N5.
Pelatihan K3 di SMK 1 Muhammadiyah Cileungsi, Bogor, Jawa Barat Wilarso, Wilarso; Asep Saepudin; Asep Dharmanto; Muhammad Ilham Alhabsyie
JURNAL ABDIMAS SERAWAI Vol. 4 No. 1 (2024): Jurnal Abdimas Serawai (JAMS)
Publisher : Program Studi Administrasi Fakultas Ilmu Sosial dan Ilmu Politik Universitas Muhammadiyah Bengkulu 

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jams.v4i1.6082

Abstract

Dalam hal keselamatan kerja tidak membedakan faktor umur, jenis kelamin, status, jabatan, semua manusia bisa mengalami kecelakaan kerja jika tidak mengikuti peraturan yang telah diterapkan oleh instansi. Oleh karenanya tujuan dari program PKM ini adalah memberikan pendampingan dasar implementasi terkait aspek K3, agar mereka memiliki bekal dasar mengenai teori K3, jenis-jenis potensi bahaya ditempat kerja dan pentingnya peranan 5R sebagai dasar pondasi program improvement lainnya dan kaitannya dengan unsur safety dalam bekerja, pemahaman dasar ini penting sebagai pembekalan sebelum mereka berkecimpung dalam dunia kerja. Metode dalam pengabdian ini melalui kuliah dan diskusi tatap muka di sekolah SMK 1 Muhammadiyah Cileungsi-Bogor, Jawa Barat. Diharapkan dapat menggugah kesadaran siswa/i dan menjadi budaya positif dan bisa mengaplikasikan pengetahuan tersebut disetiap kegiatan sehari-hari
Pelatihan dasar autocad bagi siswa dan siswi di lingkungan SMK Muhammadiyah Cileungsi Asep Saepudin; Asep Dharmanto; Wilarso, Wilarso; Hilman Sholih; Aswin Domodite; Muhamad Ali Pahmi
JURNAL ABDIMAS SERAWAI Vol. 4 No. 1 (2024): Jurnal Abdimas Serawai (JAMS)
Publisher : Program Studi Administrasi Fakultas Ilmu Sosial dan Ilmu Politik Universitas Muhammadiyah Bengkulu 

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jams.v4i1.6339

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Kompetensi siswa dan siswi di tingkat Sekolah Menengah Kejuruan sering mengalami kendala dalam hal pemahaman dasar gambar Teknik. Pada saat lulus sekolah tingkat pemahaman dasar gambar Teknik masih rendah. Sehingga tingkat serapan lulusan di dunia industry masih diragukan. Tujuan di selenggarakan pelatihan dasar perihal gambar Teknik ini untuk meningkatkan kompetensi siswa dan siswi di lingkungan SMK Muhammadiyah 2 Cileungsi. Metode dalam pelaksanaannya tatap muka dan mempraktekan cara menggambar Teknik di computer yang sudah terinstall software autocad. Dari hasil pelatihan yang dihadiri 40 peserta, dimana dari kelas teknik kendaraan ringan dan teknik komputer jaringan. Pembukaan kegiatan disampaikan oleh Hilman Sholih, dimana pentingnya pelatihan ini untuk meningkatkan kemampuan siswa dan siswi mengenai dasar gambar teknik. Paparan pengenalan dasar solid word yang disampaikan oleh pemateri pertama Asep Dharmanto. Dalam penjelasan tersebut menjelaskan fitur pada solid word untuk memudahkan dalam mengambar. Paparan kedua disampaikan oleh Asep Saepudin. Paparan perihal pengertian dasar solid word lebih memudahkan dalam proses mengambar 3D. sedangkan penjelasan mengenai dasar autocad, lebih ke 2 D dan menjelaskan dasar symbol yang sering dipergunakan pada cara mengambar autocad. Minat siswa dan siswi selama mengikuti dan ketertarikan perihal gambar teknik cukup tinggi dan diharapkan kegiatan ini berlanjut sampai di level guru dan toolman. Supaya memudahkan dalam proses pembelajaran dikelas
Konsep dan Metode Garap dalam Penciptaan Tepak Kendang Jaipongan Asep Saepudin
PANGGUNG Vol 23 No 1 (2013): Strategi dan Transformasi Tradisi Kreatif: Pembacaan, Pemaknaan, dan Pembelajara
Publisher : LP2M ISBI Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26742/panggung.v23i1.84

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ABSTRACT This article aims to explore the process of creation of Tepak Kendang Jaipongan by Suwanda. The idea of Tepak Kendang was obtained through four processes: 1) the direct participation of the creator (Suwanda) into the popular arts; 2) the appreciation results of various kinds of art; 3) the stimulation of various kinds of dance movement; and 4) the inspiration of the songs which are sung by the singers (Sinden). Tepak Kendang Jaipongan was sourced from various kinds of genre, namely Ketuk Tilu, Topéng Banjét, Wayang Golék, Kiliningan, Bajidoran, Pencak Silat and Tarling. The many kinds of Sundanese Tepak Kendang were arranged with the concept of ‘freedom’ and ‘novelty’. The method which is used to create Tepang Kendang Jaipongan is ‘ngolah nu aya maké cara: salambar langsung saayana tinu heubeul, ‘janten ku nyalira’, ngarobah nu aya (‘ditambah’, ‘dikurangan’, ‘dipotong’,‘dikerepan’, ‘dicarangan’). Keywords: Method of creation, Tepak Kendang Jaipongan  ABSTRAK Tulisan ini bertujuan untuk menggali proses penciptaan tepak kendang jaipongan dari kreatornya yakni Suwanda. Ide tepak kendang diperoleh melalui empat proses yaitu Suwan- da terjun langsung ke dalam jenis kesenian yang sedang populer, hasil apresiasi terhadap berbagai jenis kesenian, terangsang oleh ragam gerak tari, serta karena terinspirasi lagu yang dibawakan oleh pesindén. Tepak kendang jaipongan bersumber dari berbagai jenis ke- tsenian seperti Ketuk Tilu, Topéng Banjét, Wayang Golék, Kiliningan, Bajidoran, Penca Silat dan Tarling. Kekayaan ragam tepak kendang Sunda digarap dengan konsep “kebebasan dan ‘ke- baruan’. Metode yang digunakan untuk menciptakan tepak kendang jaipongan adalah “ngo­ lah nu aya maké cara: salambar langsung saayana tinu heubeul, ‘janten ku nyalira’, ngarobah nu aya (‘ditambah’, ‘dikurangan’, ‘dipotong’, ‘dikerepan’, ‘dicarangan’)”. Kata kunci: Metode garap, Tepak Kendang Jaipongan Konsep dan Metode Garap dalamPenciptaan Tepak Kendang Jaipongan
Strength Analysis of Crusher Construction in Nyamplung Seed Peeling Machine Using the Finite Element Method Nandang Imam Santosa; Asep Dharmanto; Asep Saepudin; Wilarso
JOURNAL OF MECHANICAL ENGINEERING MANUFACTURES MATERIALS AND ENERGY Vol. 8 No. 2 (2024): December 2024 Edition
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jmemme.v8i2.11757

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The nyamplung seed peeling machine uses a single roll crusher as its operating principle to automatically separate the nyamplung fruit's shell. One of the crucial parts of this apparatus that breaks down the nyamplung fruit shells is the crusher. The issue arises from the fact that the strength of the material utilized to construct the crusher is still unknown. This raises questions regarding how well the Nyamplung bean peeling machine crusher will function if it is used constantly. The purpose of this study is to identify the kind of material that works well for a nyamplung seed peeling machine crusher. An analysis will be conducted to ascertain the strength of the Nyamplung seed peeling machine crusher to follow up on this issue. The finite element method was used to conduct the testing. ASTM A36 and AISI 304 are the two materials that are compared in this analysis. In addition, it can be used to compare two different types of materials in terms of their strength, cost, and degree of safety. Following analysis for manual shaft calculations utilizing AISI 304 and ASTM A36 materials. With a yield strength of 250 N/mm², a safety factor of 9, a displacement of 0.022 mm, and von Mises stress readings of 29.044 N/mm² were achieved from the crusher simulation utilizing ASTM A36 material. Von Mises stress for the AISI 304 material was 28.471 N/mm², displacement was 0.023 mm, safety factor was 7, and yield strength was 206.804 N/mm².
Analisis Hadis-Hadis tentang Taat Kepada Pemimpin Implikasi dalam Kehidupan Bernegara Asep Saepudin
Jurnal Ilmu Sosial dan Humaniora Vol. 2 No. 2 (2024): April
Publisher : CV Putra Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58540/isihumor.v2i2.678

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God commands man to fulfill what He commands and to stay away from what is forbidden. Among God's commandments is to listen to and obey leaders. Obedience to leaders is a religious command that has an impact on increasing the country's political stability. There are many hadiths that explain the obligation to obey a leader. However, many Muslims do not know and study these hadiths. So it is interesting for researchers to discuss it. By using literature research methods, as well as the use of approaches tailored to the main objectives of the research, researchers want to discuss it in more detail. The researcher also limits himself to the hadiths narrated by Bukhori and Muslims. The results of this research are: 1) Hadith About Obedience to Leaders Even If Your Back Is Beaten and Property Is Confiscated) Hadith About Obedience to Leaders in All Circumstances 3) Hadith Obedience to Leaders is Obedience to Allah 4) Hadith Fulfills Obligations That Become the Right of Leaders and Asks Allah for Our Rights That Are the Obligations of Leaders 5) Hadiths of Obedience to Leaders Except in Disobedience