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Muhayat, Nurul
Department Of Mechanical Engineering, Universitas Sebelas Maret, Surakarta 57126,
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EFFECT OF SHIELDING GAS ON THE PROPERTIES OF STAINLESS-STEEL SUS 304L PLUG WELDED Ilham Habibi; Januar Tri Prasetyo; Nurul Muhayat; Triyono Triyono
Jurnal Rekayasa Mesin Vol. 13 No. 3 (2022)
Publisher : Jurusan Teknik Mesin, Fakultas Teknik, Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/jrm.v13i3.1251

Abstract

The effect of shielding gas composition and welding current on the mechanical-physical properties of plug welding joint stainless steel SUS 304L has been investigated. Metal Inert Gas (MIG) welding was used to join SUS304L with a thickness of 3 mm. The variations of welding current were 80 A, 100 A, and 120 A, while variations of shielding gas composition were 100% Ar; 92,5% Ar-7,5% CO2; 85% Ar-15% CO2; 77,5% Ar-22,5% CO2; 100% CO2. Macro and microstructural tests were conducted to determine welded joints physical properties. Tensile-shear testing and micro hardness Vickers were done to determine welded joints physical properties. The results show that the higher level of welding current and CO2 content in the shielding gas, the more tensile-shear load bearing capacity and decreased hardness. The welding current of 120 A and shielding gas 77,5% Ar-22,5% CO2 produced welded joints with the highest tensile-shear load bearing capacity. The nugget size increased as the higher level of welding current and the CO2 content in the shielding gas due to the increase of heat input.
Pendampingan Penggunaan Perangkat Lunak CAD dalam Proses Perancangan oleh Juru Las di Desa Jaten Sukmaji Indro Cahyono; Triyono Triyono; Nurul Muhayat
E-Dimas: Jurnal Pengabdian kepada Masyarakat Vol 14, No 1 (2023): E-DIMAS
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/e-dimas.v14i1.6697

Abstract

Usaha bengkel las di Wilayah JatenKaranganyar sebagian besar mengerjakan kontruksi kecil hingga sedang. Kondisi sebelum program pengabdian masyarakat berjalan, gambar desain yang diinginkan konsumen hanya dibuat sket gambar manual seadanya tanpa mengukuti kaidah gambar teknik standar ISO dan tanpa melalui proses perancangan, sehingga estimasi biaya dan kebutuhan bahan hanya perkiraan saja. Selain itu dalam proses pembuatan produk, terjadi banyak kesalahan pengukuran sehingga pemotongan dan penggunaan bahan tidak effesien. Pendampingan pengenalan dan pelatihan penggunaan perangkat lunak CAD dalam mendesain dan merancang produk yang dikerjakan dengan proses pengelasan menjadi fokus utama PKM ini. Sasaran utama program pengabdian ini adalah juru las dan warga sekitar terutama warga lulusan sekolah vokasi/SMK untuk berkolaborasi dengan mengangkat studi kasus merancang dan mendesain pembuatan Gazebo masjid Fatimah Ar-Royyan Jaten karanganyar. Hasil dari kegiatan pengabdian ini adalah tumbuhnya minat warga yang ingin mempelajari dan menguasai pengoperasian perangkat lunak desain CAD. Evaluasi secara keseluruhan terjadi peningkatan interaksi antara mitra pembuat (juru las dengan Mitra konsumen) dengan adanya peresentasi visual gambar 3D maupun gambar teknik, dan terjadi efesiensi penggunaan bahan dan proses yang lebih baik. 
PELATIHAN PROSES GAS METAL ARC WELDING (GMAW) UNTUK TUKANG LAS SOLO RAYA Triyono; Nurul Muhayat; Eko Surojo
Abdi Masya Vol 7 No 1
Publisher : Pusat Penelitian dan Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52561/abdimasya.v7i1.382

Abstract

There are numerous welding workshops in Solo, but they mostly offer similar products such as household items like fences, canopies, and window grilles. These products are customized, leading to inconsistent production levels—sometimes with high demand, other times quiet periods. To sustain these workshops, it's crucial to innovate both products and marketing strategies. Products like office, campus, and school furniture are consistently in demand. To compete effectively, workshop products need to improve in quality through advanced welding technology, particularly Gas Metal Arc Welding (GMAW). Therefore, workshops require training in using sophisticated equipment like GMAW machines. In the Community Partnership Program (PKM), the PKM UNS team collaborates with two partners: Sumber Rejeki Welding Workshop in Dusun Sawahan and the Takmir of Fatimah Ar-Royyan Mosque. The program unfolds in two phases. Phase I involves training workshop owners and workers in GMAW machine operations, with the PKM UNS team providing expertise. Phase II includes a joint project to create desk and chair furniture as demonstration products from the training, which will be donated to the TPA of Fatimah Ar-Royyan Mosque in Jongkang. This PKM initiative aims to equip owners and workers from Sumber Rejeki Welding Workshop and nearby workshops with skills in designing structures and manufacturing office furniture using GMAW, as well as effectively marketing these products.
PENINGKATAN EFISIENSI TATA LETAK RUANG PRODUKSI PADA IHRISH CREATIVE STUDIO MELALUI PENDEKATAN ERGONOMI DAN LEAN MANUFACTURING Triyono Triyono; Rizki Dwi Ardika Rizki; Eko Surojo; Nurul Muhayat; Teguh Triyono; Sukmaji Indro Cahyono
ADIMAS Jurnal Pengabdian Kepada Masyarakat Vol 10 No 1 (2026): Maret 2026
Publisher : Universitas Muhammadiyah Ponorogo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24269/adimas.v10i1.12675

Abstract

This study aims to improve the efficiency of production space at Ihrish Creative Studio through an ergonomics and lean manufacturing approach. The study was conducted using direct observation, interviews, workflow analysis, and redesign of the production layout. The implementation results showed a reduction in production material movement time from an average of 14 minutes to 5–6 minutes. This increase in efficiency resulted in an increase in daily production output of up to ±30%, as well as a reduction in operational costs through time and energy savings. The application of ergonomic principles also increased comfort and safety at work, as demonstrated by positive feedback from workers. In addition, the new layout also strengthened the studio's social function as a training and community empowerment center. This study confirms that the integration of ergonomics and lean manufacturing is effective in addressing space limitations in micro-enterprises, while strengthening operational and social sustainability.
Co-Authors Aditya Rio Prabowo Alvia Restu Putra Utama Ari Prasetyo Ari Prasetyo Budy Nugroho D. D. Dwi Pria Tjahjana Dany Taufiq Alim Ansori Dody Ariawan Eko Surojo Eko Surojo Eko Surojo Fajar Budi Laksono Hafidh Rawi Mufti Hammar Ilham Akbar Herru Santosa Budiono Ilham Habibi Imam Abdul Majid Januar Tri Prasetyo Kuswardi, Yemi Lenggana, Bhre Masa'id, Aji Mazlan, Saiful Mustakim Mustakim Rizal Akhmad Bukhori Rizki Dwi Ardika Rizki Sigit Edy Purwanto Sukmaji Indro cahyono Sukmaji Indro cahyono Syamsul Hadi T Triyono Taufik, Ikhwan Teguh Muttaqie Teguh Triyono Titis Srimuda Pitana Triyono Triyono . Triyono Triyono Triyono Triyono Triyono Triyono Ubaidillah, Ubaidillah Wibowo Wibowo Wibowo, Wibowo