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All Journal Jurnal Teknik Mesin Dinamika Teknik Mesin : Jurnal Keilmuan dan Terapan Teknik Mesin Jurnal Pendidikan Fisika dan Teknologi GANEC SWARA Jurnal Abdi Insani Abdimasku : Jurnal Pengabdian Masyarakat Jurnal Bakti Nusa Jurnal Karya Pengabdian Teknik Mesin

Sugiman .

Department of Mechanical Engineering, Faculty of Engineering, University of Mataram, Mataram 83125, Indonesia

Author-ID : 620993

Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Physics Social Sciences

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Perbaikan Pengemasan dan Aplikasi Digital Marketing Hasil Kerajinan Tangan Pengrajin Desa Pendem, Lombok Tengah Salman Salman Salman; Muhammad Alvian Maulana; Emmy Dyiah Sulistyowati; Sugiman . .
JURNAL KARYA PENGABDIAN Vol 3, No 2 (2021): Oktober, Jurnal Karya Pengabdian
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (2419.536 KB)

Desa Pendem, Kecamatan Janapria, Kabupaten Lombok Tengah, adalah salah satu sentra kerajinan tangan di provinsi Nusa tenggara barat (NTB). Kerajinan mereka berupa peralatan rumah tangan dan aksessoris untuk kepentingan dekor interior. Terbuat dari rotan, ketak, karung goni, dan bambu. Sejumlah hasil kerajinan mereka dipasarkan secara konvensional di sekitar wilayah NTB, di Bali dan juga merambah ke luar negeri. Meskipun pemasaran sudah berkembang namun masih perlu ditingkatkan dengan cara penerapan pemasaran secara online. Karena itu tim pelaksana KKN Tematik Unram mengadakan upaya pendampingan ke pengrajin Desa Pendem dalam rangka membantu mereka memasarkan hasil kerajinan secara online. Metode yang dilakukan adalah tim pelaksana kegiatan KKN mengadakan penyuluhan dan demonstrasi perbaikan pengemasan produk dan aplikasi pemasaran hasil kerajinan secara online di depan pengrajin Desa Pendem. Hasilnya para pengrajin antusias dan mulai bisa memperbaiki tampilan kemasan produk dan melalukan proses pemasaran secara online. Pendem Village, Janapria District, Central Lombok Regency, is one of the handicraft centers in the province of West Nusa Tenggara (NTB). Their crafts are in the form of hand tools and accessories for interior decoration purposes. Made of rattan, ketak, burlap sack, and bamboo. A number of their handicrafts are marketed conventionally around the NTB area, in Bali and also penetrated abroad. Although marketing has developed, it still needs to be improved by implementing online marketing. Therefore, the Unram Thematic Community Service Program (KKN) implementation team held assistance efforts to Pendem Village craftsmen to help remaking the packaging and to apply online marketing. The method used was team of KKN hold counseling and online marketing demonstrations for handicrafts in front of the craftsmen of Pendem Village. As a result, the craftsmen were enthusiastic and began to be able to remake the packaging carry out the online marketing process.

DISEMINASI ALAT PENGIRAT BAMBU KE PENGRAJIN BAMBU DI DESA RADAMATA, SUMBA BARAT DAYA salman Salman; Sugiman Sugiman; Paryanto Dwi Setyawan; Sinarep Sinarep; I Made Adi Sayoga
Jurnal Bakti Nusa Vol. 4 No. 1 (2023): JURNAL BAKTI NUSA
Publisher : Jurusan Teknik Elektro Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/baktinusa.v4i1.97

Pemanfaatan bambu seyogyanya menciptakan peluang nilai tambah yang lebih tinggi untuk meningkatkan pendapatan masyarakat. Perlu dilakukan sinergitas program-program pemerintah lintas sektor untuk dapat mewujudkan pengembangan bambu yang terintegrasi sehingga menjadikan bambu sebagai penggerak ekonomi rakyat. Karena itulah dengan tujuan untuk mengoptimalkan potensi pengembangan pengolahan bambu di daerah tertinggal, maka tim pelaksana peningkatan kapasitas tenaga kerja non pertanian melakukan diseminasi alat pengirat bambu di di Sumba Barat Daya, Nusa Tenggara Timur. Kegiatan diawali dengan pembuatan alat pengirat bambu melalui tahap perancangan sebelumnya dari tim LPPM Unram. Selanjutnya alat di-diseminasi ke pengrajin bambu di Sumba Barat Daya. Hasil dari kegiatan adalah adanya sikap antusiasme dari para pengrajin dan adanya alat pengirat bambu pada pengrajin setempat.

Diseminasi Alat Pengirat Bambu ke Pengrajin Bambu di Desa Radamata, Sumba Barat Daya - Salman; - Sugiman; Paryanto Dwi Setyawan; - Sinarep; I Made Adi Sayoga
ABDIMASKU : JURNAL PENGABDIAN MASYARAKAT Vol 6, No 2 (2023): Mei 2023
Publisher : LPPM UNIVERSITAS DIAN NUSWANTORO

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33633/ja.v6i2.865

Pemanfaatan bambu seyogyanya menciptakan peluang nilai tambah yang lebih tinggi untuk meningkatkan pendapatan masyarakat. Perlu dilakukan sinergitas program-program pemerintah lintas sektor untuk dapat mewujudkan pengembangan bambu yang terintegrasi sehingga menjadikan bambu sebagai penggerak ekonomi rakyat. Karena itulah dengan tujuan untuk mengoptimalkan potensi pengembangan pengolahan bambu di daerah tertinggal, maka tim pelaksana peningkatan kapasitas tenaga kerja non pertanian melakukan diseminasi alat pengirat bambu di di Sumba Barat Daya, Nusa Tenggara Timur. Kegiatan diawali dengan pembuatan alat pengirat bambu. melalui tahap perancangan sebelumnya dari tim LPPM Unram. Selanjutnya alat di-diseminasi ke pengrajin bambu di Sumba Barat Daya. Hasil dari kegiatan adalah adanya sikap antusiasme dari para pengrajin dan adanya alat pengirat bambu pada pengrajin setempat.

Karakteristik komposit sandwich dengan inti (core) open cell foam bambu berlubang P.D. Setyawan; S. Sugiman; S. Sinarep; H. Hilwan
Dinamika Teknik Mesin Vol 13, No 2 (2023): Dinamika Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v13i2.654

The sandwich composite used in this investigation has a bamboo open-cell foam core and a plywood skin. In this study, the density, flatwise compressive strength, flexural strength, and water absorption of sandwich composite materials will be determined. The volume proportion of fiber in the bamboo foam core was 15% in this investigation, and PVAc adhesive was employed. The open-cell foam core has a square-shaped hollow in the center and hole spacings of 30mm, 40mm, and 60mm. The tests included density testing (ASTM C271), flatwise compression testing (ASTM C365-05), flexural testing (ASTM C393), and water absorption testing (ASTM C272). According to the study's findings, compared to sandwich composites with core-opened cell foam without holes, sandwich composites with core-opened cell foam with holes have an average density, an average specific flatwise compressive strength, and an average specific bending strength that are smaller. The percentage of water absorption in the sandwich composite demonstrates the opposite. Comparing the sandwich composite with core-opened cell foam without holes (0.45 g/cm3) to the sandwich composite with core-opened cell foam with holes, the average density of the latter decreased by 6–13%. The decrease in the avarage specific flatwise compressive strength of the sandwich composite with a hollow core was 2-20% compared to the sandwich composite with an open-cell foam core without holes (41.22 MPa/cm3/gr). The average specific bending strength of the sandwich composite with the core opened cell foam with holes was reduced by 40–50% when compared to the sandwich composite with the core opened cell foam without holes (26.38 MPa/cm3/gr).

SIFAT MEKANIS KOMPOSIT MATRIKS ALUMINIUM BERPENGUAT ABU JERAMI DENGAN METODE METALURGI SERBUK A A ALIT TRIADI; S SUGIMAN; L.R. KALBI
GANEC SWARA Vol 18, No 3 (2024): September 2024
Publisher : Universitas Mahasaraswati K. Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35327/gara.v18i3.981

The powder metallurgy method is one method for making metal matrix composite products. This method provides researchers with material engineering.This study aims to determine how the effect of variations in mixing time and sintering holding time affects the hardness and compressive strength of composites made of aluminum powder and straw ash. The composition of this composite is 90%wt Aluminum and 10%wt straw ash. Preparation of specimens using powder metallurgy method. Mixing time variations were applied for 120, 150 and 180 minutes with the dry mixing method. Variation of sintering holding time was applied for 60, 120 and 180 minutes at 550°C.The mechanical test carried out are hardness test and compression test. The results showed that the optimum hardness value was found in the specimens with a mixing time of 150 minutes and sintering holding time of 180 minutes with an average hardness of 96 HRF. The optimum compressive strength is found in specimens with a mixing time of 150 minutes and sintering holding time of 120 minutes with an average compressive strength of 101.28 MPa. It can be concluded that mixing time and sintering holding time affect the hardness and compressive strength of the metal matrix composite.

Konduktivitas termal komposit resin epoksi dan serbuk arang tempurung kelapa Mirmanto, M.; Sugiman, S.; Fathurrahman, F.; Ramadhani, M.D.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 12, No 1 (2022): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Composite materials are materials that are widely developed and their use has been widespread in various industrial and household sectors. Epoxy composites filled with coconut shell charcoal powder have been tested for their thermal conductivity properties using the one-dimensional conduction method. The tested specimens had dimensions of 50 mm x 50 mm x 5 mm made of epoxy and coconut shell powder with a percentage of charcoal weight of 0%, 10%, 20% and 30%. The specimen is inserted into a thermal conductivity measuring instrument made of solid aluminum which is insulated around it. The heater is mounted on the aluminum as a heat source, while the other end is left open to the free air in the room. The results showed that the highest average thermal conductivity was a 30% variation of 0.5003 W/m°C, then a 20% variation of 0.3738 W/m°C, a 10% variation of 0.3487 W/m°C. and the lowest at 0% variation without using coconut shell charcoal powder at 0.1364 W/m°C.

Simulasi Pengaruh Jumlah Palang Rim Sepeda Motor Terhadap Equivalent von Mises stress dan Safety Factor Menggunakan Software Ansys Dwilingga, I.; Sugiman, S.; Catur, A.D.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 14, No 1 (2024): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/dtm.v14i1.786

Rim or wheels have various types of model designs and the number of spokes. Therefore, those wheels can have a different response on each rim model when subjected to loads such as impact loads. In this simulation, impact load testing is carried out on the rim, with variations of 4 types of geometry where this geometry differs in the design of the number of spokes. By finding the Safety Factor value on each rim, the most optimal rim design can be determined. Explicit Dynamics can solve this problem because the impact on the simulation occurs in a very short time. In this study, the design of a cast wheel type motorcycle rim with spokes number of 5, 6, 10 and 12 with a uniformly applied impact speed of 10 km/h. The rim material used was aluminum 6061 T6 and the projectile material used was aluminum alloy. The designed rim has a diameter of 35.56 cm and a width of 4.01 cm and a mass of 2415 gram. Solidworks and Ansys software based on the finite element method were used to make it easier to design cast wheel rims. By using this software, the rim can be designed so that it can be analyzed for stresses and strains that occur when simulating impact loads on the rim plane. The simulation results show that rims with spoke 10 and 12 are categorized as safe because they have a lower average stress value than rims 5 and 6 and have a Safety Factor value above 1. In other words, rims with 10 and 12 number of spokes are the optimal design in terms of cost and strength.

Variasi persen berat tempurung kelapa terhadap konduktivitas termal komposit silicone rubber Mirmanto, M.; Sugiman, S.; Ramadhani, M.D.; Fathurrahman, F.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 11, No 2 (2021): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Experiments to know themal conductivities of silicone rubber composite were conducted. The sillicon rubber was mixed with coconut shells charcoal powder with weight variations. The weight presentage variations were 0, 10, 20 and 30%. Increasing the weight persentage was expected to increase the thermal conductivity of the composite. The speciment size was 50 mm x 50 mm x 5 mm. The speciments were tested according to the conduction heat transfer mode. To make sure that the temperatures were steady, the experiments were performed for about 6 hours. The results indicated that increasing the weight presentage raised the composite thermalconductivities. At 0% of wight, the composite had a thermalconductivity of 0.157 W/m°C, at 10%, 20% and 30% of weight compositions; the composite had thermal conductivities of 0.461 W/m°C, 0.58 W/m°C, and 0.73 W/m°C respectively.

Perhitungan laju korosi dan perancangan sistem proteksi katodik anoda korban di lambung kapal tugboat Bontang o4 PT Badak NGL Bontang Saputra, R.A.; Setyawan, P.D.; Sugiman, S.; Zainuri, A.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 7, No 2 (2017): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Corrosion happens differently for each point of hull plate which caused of corrosion rate differences. So that is very important to measure it for each point, which is calculated using Weight Gain Loss Method. The measurement of plate thickness that used is Ultrasonic Test Method conducted by PT BKI. To determine the condition of ship protection, then the coating and sacrificial anode system is evaluated by testing the composition and current and voltage of anode as well. Furthermore, the number and position of anode is also analyzed. So that the re-design of cathode protection is needed by referring to the PT BKI’s standards. Then the prediction of corrosion rate is calculated by using the design of cathode protection. The largest corrosion rates are in the amidships and portside for each plate lane, they are on the keel plate point K3 is 0.37 mm/years, pedestal plate point A4 is 1.05 mm/years, bilge plate point B4 is 0.62 mm/years and side plate point C5 is 0.39 mm/years. But the number of installed anode is 31 anodes with an irregular position. So in this study, done the redesign system of cathode protection based on regulations issued by PT BKI, with the result of the number of the anode is 56 units. Using the design, then carried a prediction by the result is lower, that on the keel plate is 0.073 mm/years, pedestal plate is 0.021 mm/years, bilge plate is 0.013 mm/years and the side plate is 0.014 mm/years.

Analisa pengaruh jumlah indentasi dan distribusi tegangan geser pada sambungan perekat baja-baja (paper ini telah dicabut) Salman, S.; Sugiman, S.; Sulistyawati, E.D.; Zainuri, A.; Robiansyah, R.
Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin Vol 9, No 2 (2019): Dinamika Teknik Mesin: Jurnal Keilmuan dan Terapan Teknik Mesin
Publisher : Universitas Mataram

Adhesive joints are widely used in automotive industry and shipping industry. Efforts to increase the strength of the connection are still underway. This study aims to determine the effect of the amount of indentation on shear strength on low carbon steel joints and the failure mode when the number of indents is different. The connection was made of low carbon steel with epoxy adhesive as adhesive and adhesive thickness of 0.3 mm. The number of indents varied; with and without indentations 4, 9, 16, and 25 respectively. The indentation process was made by using pillar drilling with 1.5 mm diameter of drill bit. From the results, the specimen without indentation had highest shear strength was about 22 MPa. Connection strength tended to decrease with increasing indentation. By finite element modeling, the distribution of shear stress tended to be uniform without indentation, and the stress at the end of the connection for indented connections was higher than without indentation.

Co-Authors - Salman - Sinarep A A ALIT TRIADI A. Zainuri, A. A.D. Catur Achmad Zainuri Agus Dwi Catur Agus Dwi Catur Catur, A.D. Dwilingga, I. E. D. Sulistyowati Emmy Dyiah Sulistyowati Fathurrahman, F. H. Ahmad H. Hilwan H. S. Tira Hendry Sakke Tira, Hendry Sakke Hilwan, H. I Gede Bawa Susana I Kade Wiratama I Made Adi Sayoga I Made Adi Sayoga I.D.K. Okariawan L.R. KALBI M. Mirmanto, M. Masri Masri Muhammad Alvian Maulana N Nurpatria N. Nurpatria Nasmi Herlina Sari P. Pandiatmi P.D. Setyawan P.D. Setyawan, P.D. Paryanto Dwi Setyawan Paryanto Dwi Setyawan Putra, A.I. R.A. Saputra, R.A. Ramadhani, M.D. Robiansyah, R. Rudy Sutanto S. Salman S. Salman, S. S. Sinarep S. Sinarep, S. S. Syahrul Salman Salman salman Salman Salman Salman Salman Sinarep Sinarep Sujita Darmo Sulistyawati, E.D. Sultan Sultan T Rachmanto Tri Rachmanto Y. A. Padang Yesung Allo Padang

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