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All Journal Adi Widya : Jurnal Pengabdian Masyarakat Journal of Technomaterial Physics Jurnal Umum Pengabdian Masyarakat (JUPEMAS)
MELYA DYANASARI SEBAYANG
DosenMesin FT UKI Jl. MayjenSutoyo- Cawang-Jakarta
Agriculture, Biological Sciences & Forestry Astronomy Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Materials Science & Nanotechnology Physics Social Sciences Other

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Bahasa Indonesia: Bahasa Indonesia Sebayang, Melya Dyanasari; Samosir, Rahmad; Budiarto, Budiarto; Sihite, Edward Baringin; Saragih, Riswanton; Simorangkir , Melda
Adi Widya : Jurnal Pengabdian Masyarakat Vol 8 No 1 (2024): Adi Widya: Jurnal Pengabdian Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v8i1.9059

Abstract

In connection with the easing of the Covid 19 virus in Indonesia, the Indonesian Christian University (UKI) Engineering PKM TEAM conducted welding training offline for children with special needs. The purpose of the Service for children at the Panti Karya is to be able to provide training in welding and making trash cans easily and effectively as life skills for the children of the HEPHATA HKBP Panti Karya Foundation in North Sumatra Participants, to be able to implement cleanliness around the Hephata HKBP Panti Karya Foundation in North Sumatra as well as children who already have the skills to make trash cans from welding training can generate incoming funds for the HKBP Hephata Panti Foundation in North Sumatra. With this dedication, we can equip the children of the Karya Orphanage with life skills in making trash cans and welding to increase their competence.
Bahasa Indonesia Bahasa Indonesia Sebayang, Melya Dyanasari
Adi Widya : Jurnal Pengabdian Masyarakat Vol 8 No 2 (2024): Adi Widya: Jurnal Pengabdian Masyarakat
Publisher : Lembaga Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33061/awpm.v8i2.9068

Abstract

Disturbances in the eyes of the elderly will cause disturbance which have an impact on discomfort and other disturbances in carrying out daily activities. The figure of the elderly is part of family members and community members whose number is increasing in line with the increase in life expectancy. The number of elderly people in Indonesia is increasing rapidly every year, so that Indonesia is expected to experience an “elderly population boom” in the early 2 decades of the 21 century as a result of the baby boom several decades ago. BPS projects that ini 2045 Indonesia will have around 63,31 million elderly or nearly 20 percent of the population. According to UN projections, the percentage of elderly Indonesians will reach 25 percent in 2050 or around 74 million elderly. This community service activity is a form of application in the optics and wave physics course. The purpose of this screening is to find out the description of eye refraction abnormalities and lectures can apply it to the community. The location for the screening was held in the Sei Agul area of Medan, North Sumatera. The subjects were the ederly and the poor around Medan Barat District who ere suspected of having refractive errors. Screening was carried out using the Snellen Optotype and corrected using a trial lens. The implementation of this community service activity took place smoothly and efficiently. The results of the exmation of the elderly, which were almost large, were that the elderly were not found to have eye defects such as night blindness, cataracts or color blindness. This activity is expected to foster community motivation in carrying out their lives with the glasses provided by the lion clubs and remind them to carry out routine checks before experiencing cataracts.
ST37 Steel Carburization with Coconut Charcoal Sebayang, Melya Dyanasari
Journal of Technomaterial Physics Vol. 3 No. 1 (2021): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v3i1.5713

Abstract

The carburization process is a surface hardening process where carbon is added to the surface without changing the core properties of the material. This process is carried out at the austenite temperature so that the carbon can diffuse into the phase. This process can only be done on low carbon steels with content below 0.25%. This research was conducted on ST37 steel, which is steel with low carbon content with 0.18% carbon content. This type of steel is surface hardened with a carburizing temperature of 850 C with a long lasting time of 1 hour, then it is carried out under moderate cooling with outside air media. And change its mechanical properties from the comparison of the initial mechanical properties of the specimen. The highest hardness value occurs in the carburizing process of coconut shell charcoal, but this hardness value occurs not because of the carburization process but because of the enlarged grain size caused by heating at temperatures below 723⁰ C, thus reducing the elongation properties of the material. Carburizing with battery stone media is more efficient than coconut shell charcoal at temperatures below 723 C. Because the temperature is below the austenite temperature, the absorbed carbons cannot diffuse as happened in the carburization process, but the absorbed carbons can bind the grain boundaries and change their hardness by 4%. In the microstructure research that occurs in this process nothing can change its phase because the temperature does not reach the austenite temperature. However, there are differences in the microstructure between the carburization process with coconut shell charcoal media.
Battery on Carburization ST 37 Steel Sebayang, Melya Dyanasari
Journal of Technomaterial Physics Vol. 3 No. 2 (2021): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v3i2.5810

Abstract

A surface hardening process by adding carbon to its surface without changing the core properties of the material is called the carburization process. This process is carried out at the austenite temperature so that the carbon can diffuse into the phase. This process can only be done on low carbon steels with a content of below 0.25%. This research uses ST 37 steel which is a low content steel with a carbon content of 0.18%. This type of steel is surface hardened with a carburizing temperature of 850°C for a long lasting time of 1 hour, then it is carried out under moderate cooling with outside air media. This research produces a carburizing method with carbon battery media that easily breaks down into steel, which occurs in carbon batteries at temperatures below 723°C. And change its mechanical properties from the comparison of the initial mechanical properties of the specimen. Carburizing with battery rock media is more efficient at temperatures below 723°C. Because of at temperatures below austenite or below the carburizing temperature of carbon from the batteries, it can absorb the surface of the steel even though the amount is still very small. Because the temperature is below the austenite temperature, the absorbed carbons cannot diffuse as happened in the carburization process, but the absorbed carbons can bind the grain boundaries so that they change their hardness by 4%. The microstructure in the research that occurs in this process has nothing to change its phase because the temperature does not reach the austenite temperature.
Analysis of the Effect of Heating Temperature on Tension Strength, Elongation and Function Clusters on Composite Tube Aerial Fiber Optic Cable G.652D-STEL-K-036-2012 Herman, Herman Perez Purba; Budiarto, Budiarto; Sebayang, Melya Dyanasari
Journal of Technomaterial Physics Vol. 3 No. 2 (2021): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v3i2.6831

Abstract

The composite material of the fiber optic cable tube (G.652D-Stel-K-036-2012) or Polybutylene Terephthalate (PBT)-Master Batch MB) has been tested for tensile strength, elongation, and functional groups for fiber optic tube cladding materials. The purpose of this study was to determine the effect of heating temperatures of 2500C, 2550C, and 2600C on tensile strength, elongation, and functional groups in PBT-MB composite tube for fiber optic tube cladding material. The PBT-MB composite material was made by mixing PBT (80% by weight) with MB (20% by weight) in a ball mill. Then put together and processed into a tube on the extruder. Tensile and elongation strength was tested bytensile test, functional group test with FTIR, and humidity test. The results of the tensile test and elongation test increased with increasing heating temperature and still met the specified standard. The results of the functional group test showed that there was a CH bond from the PBT Tube at the highest wave peak, namely 2923.54 cm-11,725.10 cm-1,there was also a CH Aldehydes bond at a wavelength of 2852.19 cm-1,935.30 cm-1,916.02cm-1,873.59 cm -1,811.88 cm-1, the carbonyl bond C=C at a wavelength of 1708.61 cm-1,and the last is an Aromatic bond at a wavelength of 1504.20 cm-1. The chemical bonds in the test compounds were PBT-MB tube composites. From all the tests carried out, it was concluded that the variation of temperature on the manufacture of PBT-MB tube composites was very influential on the quality and still met the established standards.
Design of Steel Plate Grasping Vacuum Equipment on TruLaser 3030 with Servo Motor Wijaya, Ambrosius Vitoaji Kepra; Sebayang, Melya Dyanasari
Journal of Technomaterial Physics Vol. 4 No. 1 (2022): Journal of Technomaterial Physics
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/jotp.v4i1.7617

Abstract

A vacuum gripper is a device that uses a vacuum cup as a suction device and holds the workpiece load so that the workpiece can go through the process of moving from one position to another. In this research, the gripping vacuum is the main tool in the sheet metal material transfer machine so that the material can be easily moved from the wooden pallet to the TruLaser 3030 fiber machine table. The process of making this machine design requires careful calculation of the formula so that the appropriate machine components are obtained to lift material loads. The components needed in the design of this machine include a gripper vacuum, servo motor, load-bearing shaft, transmission drive, gear transmission, and a steel frame using a 300 x 300 Wide Flange Beam as a support for the whole machine. The sheet metal material used as the load is SS400 material sheet metal with a thickness of 15 mm and an area dimension of 2.44 m x 1.22 m. For this reason, strong components are needed and can withstand vertical and horizontal loads from the movement of materials and the load of the sheet metal material itself. It is recommended to use a suction motor on a gripping vacuum with a suction power of 48 m3/hour and electric power of 1.3 kW. In addition, the servo motor used must be able to withstand a load of 350 kg with a design power of 171.7 watts and a torque of 93 Nm, and straight gears with a ratio of 4:3.
OPTIMALISASI PENGOLAHAN SAMPAH DAN PENYEDIAAN TONG SAMPAH BAGI SISWA/I PONDOK PESANTREN BINAUL UMMAH KHUSUSNYA SMA MELALUI PENDIDIKAN DAN BUDAYA DALAM MENDUKUNG PROGRAM KEWIRAUSAHAAN Sebayang, Melya Dyanasari; puri, Adisti Ratna; Simorangkir, Melda Rumia Rosmery Simorangkir; Marolop, Rizky; Manurung, Pattun Gilbert Mujiono; Manalu, Risma
Jurnal Umum Pengabdian Masyarakat Vol 4 No 1 (2025): Jurnal Umum Pengabdian Masyarakat
Publisher : Yayasan Pendidikan Cahaya Budaya Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58290/jupemas.v4i1.281

Abstract

SMA Binaul Ummah yang beralamat di JL. Raya Cipari Kelurahan Cipari Kecamatan Cigugur, Kabupaten Kuningan, Provinsi Jawa Barat merupakan salah satu sekolah di bawah naungan Kementerian Pendidikan dan Kebudayaan. SMA ini mempunyai visi Menjadi Sekolah Profesional dalam Membina Peserta Didik yang Berakhlak Mulia, Mandiri, Unggul, dan Terampil dalam Menghadapi Tantangan Global. Berdasarkan kondisi inilah sehingga tim PkM mengusulkan “Optimalisasi Pengolahan Sampah Dan Penyediaan Tong Sampah Bagi Siswa/i SMA BINAUL UMMAH Melalui Pendidikan Dan Budaya Dalam Mendukung Program Kewirausahaan”. Melalui pelatihan ini diharapkan para siswa/i di SMA BINAUL UMMAH mampu mengikuti pelatihan optimasi pengolahan sampah yang diberikan tim PkM UKI sampai menjadi budaya hidup siswa/i untuk memunjang program kewirausahaan sekolah.
Co-Authors Budiarto Budiarto Herman, Herman Perez Purba Manalu, Risma Manurung, Pattun Gilbert Mujiono Marolop, Rizky puri, Adisti Ratna Samosir, Rahmad Saragih, Riswanton sihite, edward baringin Simorangkir , Melda Simorangkir, Melda Rumia Rosmery Simorangkir Wijaya, Ambrosius Vitoaji Kepra