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All Journal PROSIDING SEMINAR NASIONAL LITE: Jurnal Bahasa, Sastra, dan Budaya Abdimas Jurnal Penelitian Pendidikan Language Circle : Journal of Language and Literature English Review: Journal of English Education JEES (Journal of English Educators Society) R.E.M (Rekyasa Energi Manufaktur) Jurnal Jurnal Ilmiah Lingua Idea E-Structural Belajar Bahasa : Jurnal Ilmiah Program Studi Pendidikan Bahasa dan Sastra Indonesia English Language and Literature International Conference (ELLiC) Proceedings Jurnal Surya Masyarakat Jurnal Akuntansi Kompetif JALL (Journal of Applied Linguistics and Literacy) English Focus: Journal of English Language Education Getsempena English Education Journal Madaniya Jurnal Surya Masyarakat Community Empowerment Jurnal Mekanik Terapan Malikussaleh Journal of Mechanical Science Technology ARMATUR : Artikel Teknik Mesin dan Manufaktur Proceedings Series on Social Sciences & Humanities Jurnal Teknik Mesin Mechanical Xplore SIGEH ELT : Journal of Literature and Linguistics Public Health and Safety International Journal (PHASIJ) Studies in English Language and Education Prosiding Seminar Nasional Pascasarjana Warta LPM Community Empowerment Journal Dinamika: Jurnal Pengabdian Masyarakat KHITABAH: Khazanah Penelitian Perbankan Syariah Jurnal Polimesin Interaksi : Jurnal Pengabdian Kepada Masyarakat Joong-Ki Ambacang: Jurnal Inovasi Pengabdian Masyarakat ETERNAL: English Teaching Journal
Dodi Mulyadi
English Education, Universitas Muhammadiyah Semarang, Indonesia
Religion Aerospace Engineering Arts Humanities Automotive Engineering Biochemistry, Genetics & Molecular Biology Computer Science & IT Control & Systems Engineering Dentistry Economics, Econometrics & Finance Education Energy Engineering Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mechanical Engineering Medicine & Pharmacology Nursing Public Health Social Sciences Veterinary Other

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Optimization of Laser Marking Parameters on SKD-11 Tool Steel to Enhance Surface Hygiene and Safety in Medical Device Manufacturing Karyadi; Nanda, Rizki; Mulyadi, Dodi; Suhara, Ade; Dewadi, Fathan
Public Health and Safety International Journal Vol. 5 No. 02 (2025): Public Health and Safety International Journal (PHASIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/phasij.v5i02.1159

Abstract

Laser marking is essential in medical device manufacturing to ensure permanent identification and traceability while maintaining hygienic surface quality. However, improper parameter selection may increase surface roughness, reducing readability and risking microbial retention. This study aims to optimize laser marking parameters on SKD-11 tool steel to improve marking clarity without compromising surface integrity. Six combinations of laser speed, power, and frequency were tested. Surface roughness was measured using a YRT200 (Ra) tester, and marking quality was visually assessed. The optimal performance was achieved at 150 mm/s, 100 W, and 54 kHz, producing clear engraving with a moderate roughness of 29.8 μm. These results indicate that appropriate parameter optimization can balance clarity and hygienic surface characteristics, highlighting its importance for reliable and safe labeling in industrial and medical applications.
Pelatihan Pengelasan SMAW untuk Pembuatan Konstruksi Sederhana di Desa Tegalsawah Karawang Timur Mulyadi, Dodi; Khoirudin, Khoirudin; Gymanstiar , Salman Fahrizal; Dhawy, Luay Raihan
Joong-Ki : Jurnal Pengabdian Masyarakat Vol. 3 No. 2: Februari 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joongki.v3i2.3078

Abstract

Pesatnya perkembangan industri di daerah Kabupaten Karawang menuntut adanya pengingkatan keterampilan penduduk sekitar agar mereka dapat bekerja pada sektor industri yang berada di sekitar mereka atau mereka dapat berkarya sebagai wirausahawan sesuai dengan keterampilan yang dimilikinya. Keterampilan pada proses pengelasan menggunakan Shielded Metal Arc Welding (SMAW) merupakan salah satu pilihan agar masyarakat mempunyai keterampilan khusus yang dapat digunakan untuk dapat bekerja pada sektor industri bidang otomotif, konstruksi, dan yang sejenis. Selain itu, pengetahuan akan mesin-mesin las dan jenis-jenis elektroda akan mampu meningkatkan keterampilan masyarakat yang akan terjun membuka usaha jasa pengelasan mandiri. Proses pengabdian pelatihan telah dilaksanakan di Desa Tegalsawah Kecamatan Karawang Timur dengan cara pengenalan secara teori dan praktek pengelasan langsung. Hasil pengabdian telah mampu meningkatkan pengetahuan para peserta mengenai jenis-jenis mesin las dan elektrodanya, dan para peserta telah mulai mampu untuk melakukan proses pengelasan sendiri.
Pelatihan Perakitan Panel Surya Untuk Santri Di Pondok Pesantren At-Taubah Tirtamulya Karawang Mulyadi, Dodi; Khoirudin, Khoirudin; Amir, Amir; Rizki Aulia Nanda; Agus Suprihanto; Karyadi, Karyadi
Joong-Ki : Jurnal Pengabdian Masyarakat Vol. 4 No. 1: November 2024
Publisher : CV. Ulil Albab Corp

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56799/joongki.v4i1.6351

Abstract

Pesantren At Taubah, sebagai pondok pesantren modern, mempunyai visi “menjadi Lembaga Pendidikan Islam berbasis life skill unuk menyiapkan generasi Indonesia yang maju, berkarakter/adab, dan memiliki keterbukaan wawasan iptek yang bermanfaat bagi lingkungan”. Pengabdian kepada masyarakat telah dilakuakn dengan tujuan untuk penambahan pengetahuan para santri di pondok pesantren tersebut tentang energi terbarukan, khususnya panel surya, merupakan salah satu upaya dalam menggapai visi pesantren, dimana mereka akan mempunyai ilmu dan pengetahuan (iptek) terkini. para santri juga memahami bahwa sumber energi surya (matahari) mempunyai dampak yang lebih baik bagi lingkungan dibandingkan dengan energi yang bersumber dari fosil. Pengetahuan tentang manfaat sumber energi surya telah mampu dibarengi dengan keterampilan para santri tentang bagaimana cara untuk merangkai peralatan panel surya hingga dapat dimanfaatkan menjadi sumber energi listrik. Para santri juga telah diberi pengetahuan dan keterampilan merangkai panel surya yang diiringi dengan pengetahuan penghitungan daya, tegangan, dan arus yang dihasilkan dari rangkaian panel surya yang direncakan atau yang telah dibuat.
Enhancing Vocabulary Mastery in Narrative Text through Wordwall Game Ambar Nur Aisiyah, Almadani; Mulyadi, Dodi; Budiastuti, Riana Eka; Wijayatiningsih, Testiana; Singh, Charanjit Kaur Swaran
ETERNAL (English Teaching Journal) Vol. 15 No. 2 (2024): August
Publisher : Prodi Pendidikan Bahasa Inggris, FPBS, Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/eternal.v15i2.657

Abstract

Enhancing vocabulary mastery through the Wordwall game is important because students often face several common difficulties in mastering English vocabulary, such as lack of engagement, limited exposure to new words, and difficulty in retaining vocabulary. This study aims to answer whether the use of the Wordwall game can improve eighth-grade students' English vocabulary mastery. Classroom action research was conducted using four stages: planning, acting, observing, and reflecting. Data were gathered via observation, questionnaires, and testing. The study revealed that integrating the Wordwall game enhanced vocabulary proficiency and increased motivation among students in their English language acquisition. The game stimulated students' comprehension and retention of relevant vocabulary, fostering their enthusiasm for acquiring English. In addition, there was a notable improvement in students' proficiency in vocabulary. The study showed that students who used the Wordwall game had higher vocabulary test scores compared to before using the game. This study provides evidence that students have attained favorable learning outcomes and exhibit high levels of motivation to expand their vocabulary through the Wordwall game. They recognized that the Wordwall game was beneficial in facilitating their acquisition of English vocabulary. It is recommended that teachers use this strategy and regularly evaluate teaching techniques.
The Box-Behnken Response Surface Methodology Approach to Optimize Tensile Strength Load in Resistance Spot Welding Using SPCC-SD Steel Mulyadi, Dodi; Amir, Amir; Cepi Budiansyah, Ade; Sukarman, Sukarman; Khoirudin, Khoirudin; Arif Wibowo, Ludvi; Kumbarasari, Shanti
Jurnal Teknik Mesin Mechanical Xplore Vol. 4 No. 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v4i2.6090

Abstract

This article describes an experimental investigation into optimizing spot welding resistance (RSW) using a spot-welding machine equipped with a dual-electrode Pressure Force System (PFS). The optimization procedure entails the incorporation of SPCC-SD (JIS G 3141), a low-carbon steel that finds extensive application in the automotive sector. With the widespread use of SPCC-SD steel, RSW is an essential process in the automotive industry for assembling body components. This study employs the Box-Behnken Response Surface Methodology (Box-Behnken-RSM) to optimize the tensile strength load (TS-load), a critical parameter in RSW, through a meticulous analysis of the interplay between Holding Time, Squeezing Time, Welding Current, and Welding Time. Through the methodical design of experiments, the collection of Tensile Strength Load data, and the application of statistical modeling via RSM, this study employs SPCC-SD steel to determine the optimal values for these variables in RSW. The results above readily offer a valuable understanding of the most significant determinants and their interrelationships, thus facilitating advancements in welding methodologies and quality control in the automotive manufacturing sector. This study employs the Box-Behnken Response Surface Methodology to investigate the impacts and interrelationships of different parameters thoroughly. It aims to enhance the TS-load using SPCC-SD steel during the resistance spot welding procedure. This research contributes to advancing welding methodologies employed in the automotive manufacturing sector.
A Comprehensive Investigation of Deep Drawing Processes for a 2-Inch Diameter Dop-pipe Cap: Numerical and Experimental Analysis Tikamori, Ghazi; Patya, Dhea Intan; Sukarman, Sukarman; Aulia Nanda, Rizki; Mulyadi, Dodi; Khoirudin, Khoirudin; Amir, Amir; Rokhman, Taufiqur; Safril, Safril
Jurnal Teknik Mesin Mechanical Xplore Vol. 4 No. 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v4i2.6101

Abstract

The persistent challenges in material forming processes arise from recurrent issues encountered during the deep drawing process, particularly involving cracks and deviations from standard thickness dimensions. This article investigates the deep drawing process using both experimental and numerical methodologies. The experimental approach employs a 40-ton capacity power press machine, while the numerical method utilizes the ABAQUS student version software. SPCC-SD (JIS G3141) is the selected material for producing a Dop-pipe 2-inch diameter pipe cap in both approaches. Noteworthy findings include the highest positive and negative correlations observed in elements E 46 and E 48, with values of 0.715 and -0.933, respectively. Minimal disparities, averaging around 4.6% for all components, were evident between the experimental and numerical methodologies. The numerical approach yielded predictive results identifying potential issues in elements E 47 and E 48. This observation did not reveal instances of tearing failure but instead showcased an increase in thickness due to a higher axial force between the dies and punched-in components. The study successfully and accurately predicted product thickness for all components, presenting a contrast with outcomes obtained through the experimental method. Furthermore, this research advances the deep drawing process, extending its applicability to broader material forming applications and ultimately enhancing overall production process efficiency.
The Advanced Analysis of Deep Drawing Processes for 1-Inch Diameter Dop-Pipe Caps: Simulation and Experimental Insights Pratama, Tito Chaerul; Sukarman; Tikamori, Ghazi; Mulyadi, Dodi; Supriyanto, Agus; Amir, Amir; Khoirudin, Khoirudin; Hananto, Agus
Jurnal Teknik Mesin Mechanical Xplore Vol. 5 No. 1 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i1.7269

Abstract

This article investigates the challenges and solutions within the deep drawing process, focusing on issues like cracks and deviations from standard thickness dimensions. Utilizing both experimental methods with a 40-ton power press machine and numerical simulations via ABAQUS software, the study uses SPCC-SD steel to produce a Dop-pipe 1-inch diameter pipe cap. Key findings reveal significant correlations in elements E-90 and E-91, with minimal disparities of around 4.5% between experimental and numerical approaches, showcasing the accuracy of numerical predictions. Notably, the numerical simulations identify potential issues such as increased thickness due to higher axial forces, providing valuable insights for process optimization and defect reduction. By advancing the deep drawing process and extending its applicability to broader material-forming applications, this research contributes significantly to enhancing production efficiency and improving manufacturing practices, emphasizing the importance of simulation-driven approaches in achieving precision and quality enhancement in complex manufacturing processes.
Progressive Dies for L-hanger Ducting (L-HD) Utilizing Low-Carbon Steel SPCC-SD Material: An Experimental and Numerical Analysis Budiansyah, Ade Cepi; Taufik Ulhakim, Muhamad; Sukarman, Sukarman; Supriyanto, Agus; Amir, Amir; Mulyadi, Dodi; Khoirudin, Khoirudin
Jurnal Teknik Mesin Mechanical Xplore Vol. 5 No. 1 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i1.7763

Abstract

Industrial developments, especially in the manufacturing and construction sectors, recognize L-hanger ducting as a critical component in HVAC (heating ventilation and air conditioning) ducting systems, which play a role in supporting and stabilizing air ducts. The L-Hanger ducting manufacturing process involves a series of stages, such as shearing, blanking, piercing, trimming, and bending processes. This research focuses on the design and simulation of dies and punches for piercing, blanking, and bending processes using 1.6 mm-thick SPCC-SD material. The aim of this research is to design and analyze progressive dies in order to increase the efficiency of the production process. A comprehensive calculation of the forces involved in the shearing, blanking, piercing, trimming, and bending processes is required in order to predict press machine tonnage requirements to support the production process. This research applies theoretical and numerical validation approaches. Theoretical analysis is used to calculate the overall forces, which are then compared with numerical results and verified through an experimental approach. By understanding and optimizing the design of progressive dies, it is hoped that we can increase the production efficiency of L-hanger Ducting and expand knowledge in the field of metal forming, contributing to the metal forming industry and supporting the development of science.
Improving Dissimilar Metal Joining Quality Through Shielded Metal Arc Welding: A Taguchi Optimization Strategy Supriyanto, Agus; Sukarman, Sukarman; Mulyadi, Dodi; Djafar Shieddieque, Apang; Abdulah, Amri; Khoirudin, Khoirudin; Apang Djafar Shieddieque
Jurnal Teknik Mesin Mechanical Xplore Vol. 5 No. 1 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i1.7867

Abstract

The results of an experiment that used an orthogonal Taguchi method to improve shielded metal arc welding (SMAW) were given. The SMAW method was used to join dissimilar metal of SPHC and St. 30. SPHC material has a low carbon steel content, while St. 30C steels contain a medium amount of carbon steel, which is used for tractor shaft axles. Carbon percentages vary slightly between the two substances. This study aimed to achieve the highest possible quality of tensile strength by utilizing the specified SMAW parameters. SPHC material has a low carbon content, whereas St. 30 steel has a moderate carbon content. This study used the Taguchi experimental method with three input variables and three experimental levels. The SNR ratio is used to evaluate the most optimal SMAW performance. ANOVA analysis is used to evaluate the most crucial parameters in determining the response variable. This research has successfully provided input on the combination of SPHC and St. 30C for SMEs. It operates effectively with a welding current of 133 A, a welding voltage of 9 V, and a filler diameter of 2.0 mm. The S/N ratio analysis found that the welding current, voltage, and filler diameter all had a significant impact on the outcome.
A Comprehensive Study on Production Efficiency Enhancement Using Optimal Power Press Tonnage in Stamping Sukarman; Taufik Ulhakim, Muhamad; Khoirudin, Khoirudin; Mulyadi, Dodi; Amir, Amir; Suhara, Ade; Rahdiana, Nana
Jurnal Teknik Mesin Mechanical Xplore Vol. 5 No. 2 (2024): Jurnal Teknik Mesin Mechanical Xplore (JTMMX)
Publisher : Mechanical Engineering Department Universitas Buana Perjuangan Karawang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36805/jtmmx.v5i2.8048

Abstract

The use of press machines in stamping is an important aspect of the manufacturing industry, especially in producing efficient and quality components. This article aims to analyze the cost of the stamping process using mild steel SPCC-SD material measuring 200 mm x 25 mm x 0.8 mm, using two types of press machines, namely 80 tons and 40 tons. Through the cost analysis method, the total cost of the stamping process for the 80-ton press machine is Rp 16,417.4 per 10 pcs, while for the 40-ton press machine, it is Rp 15,028.5, indicating the cost efficiency of the 40-ton press machine is around 8.5%. The tonnage calculation shows that the 40-ton press machine is adequate for the blanking process, with a tonnage requirement of 4 tons, far below the available capacity. These results provide recommendations for the use of 40-ton press machines in the production of steel components on a small to medium scale, considering cost efficiency and optimal performance. This work is expected to increase productivity and cost efficiency in the manufacturing industry, especially at PT GA.
Co-Authors Acim, Acim Ade Budi Setiawan Adip Rohadi Agus , Supriyanto Agus Suprihanto Agus Supriyanto Akhmad Faturrahman, Akhmad Alfiani, Prika Amar Amar Ambar Nur Aisiyah, Almadani Amir Amir Amri Abdulah Amrizal Amrizal Andari Puji Astuti Anggi Uswatun Najikha Anjar Setiawan Anjar Setiawan Annisa Noerkhalifah Apri Budianto, Apri Ardianto, Nova Arif Wibowo, Ludvi Arumsari, Maria Dewi Aufa Rafika Nur Aulia Nanda, Rizki Az Zahra, Ullayah Fathina Basit, Arul Budi Tri Santosa Budiansyah, Ade Cepi Cahyo, Tegar Dwi Cepi Budiansyah, Ade Charanjit Kaur Swaran Singh Chattaphorn Sriprasert Cicilia San San Indah Nilla Utomo Damayanti, Wulan Aprilia Dewadi, Fathan Dhawy, Luay Raihan Dian Candra Prasetyanti Dian Candra Prasetyanti Dian Candra Prasetyanti, Dian Candra Diana Hardiyanti Dini Anggraheni Dini Anggraheni Dini Anggraheni, Dini DWI YULIANTI Eko Andy Purnomo Endang Tri Wahyuni Maharani Eng Tek Ong Eng Tek Ong Eny Winaryati Eva Anis Shofi`ah Eva Dina Mareta Farizka Susandra Fazrin, Nazar Febiyanti Liza Riani Gina Sonia Gymanstiar , Salman Fahrizal Hammas Hidayatullah, Muhammad Hananto, Agustia Hanifah, Sekar Haque, Syaiful Hartiti, Titi Hasti Robiasih, Hasti Hendarto, Vyrna Henita Rahmayanti Heri Dwi Santoso, Heri Dwi Hibaitulah, Hasbi Irma Oktaviani Irma Oktaviani, Irma Iza Azizatul Baldah Izatunnajah, Hana Jayawarsa, A.A. Ketut Karyadi Karyadi Karyadi Khoirudin Khoirudin, Khoirudin Komariah, Popong Kumbarasari, Shanti Lailisya Putri, Purnama Lestari Nurjanah, Sri Eka llmi Zajuli Ichsan Maemonah, Maemonah Maria Dewi Arumsari Miftahudin, Moh Muhammad Arif Zakyuddin Muhammad Muhibbi Muhfiyanti Muhfiyanti Muhimatul Ifadah Muhimatul Ifadah Muhimatul Ifadah Murdiana, Sesi Nabihah, Insyira Najikha, Anggi Uswatun Nana Darna Nanda Listiyawati Nanda, Rizki Nanda, Rizki Aulia Nasywa Kamila Rahmah Noerkhalifah, Annisa Noor Alhusna Madzlan Nor Azmi Mostafa Novia Wulan Ari Nugroho, Reesky Adi Nur, Aufa Rafika Nurul Inayah Tihurua Patya, Dhea Intan Pirman Ginting Pratama, Tito Chaerul Putra, Andika R Rahdiana, Nana Reesky Adi Nugroho Riana Eka Budiastuti Riana Eka Budiastuti Riana Eka Budiastuti, Riana Eka Rikarno Putra, Andika Rizki Aulia Nanda Rizki Aulia, Nanda Rizky Amalia, Amanda Rohadi, Adip Rohimah, Nadya Khansa Rohman Rupiah, Sri Nikmatu Safira, Nisrina Zatin Safril Safril Safuan Safuan Safuan Safuan Sajidin Shieddieque, Apang Djafar Shofi`ah, Eva Anis Shohenudin, Shohenudin Singh, Charanjit Kaur Swaran Singh, Charanjit Kaur Swaran Kaur Swaran Siti Aimah Siti Aimah Siti Aimah Siti Aimah Siti Arisah Siti Rohaya Sharif Siti Shuhaida Shukor Sobirin Sobirin Sobirin Sobirin Sri Nikmatu Rupiah Sucipto, Annisa Widya Sufiyah Dueraseh Sugeng Santoso Suhara, Ade Sukarman Sukarman Sukarman Sulthan, Faqih Syaiful Haque Syamsiar, Syamsiar Tarsame Singh Masa Singh Taufik Ulhakim, Muhamad Taufiqur Rokhman, Taufiqur Tee Tze Kiong Testiana D.W, Testiana Testiana Deni W Testiana Deni W, Testiana Deni Testiana Deni Wijayatiningsih Testiana Deni Wijayatiningsih Tihurua, Nurul Inayah Tikamori, Ghazi Ullayah Fathina Az Zahra Utomo, Cicilia San San Indah Nilla Wijatiningsih, Testiana Deni Wijayanto, Dimas Wijayatiningsih, Testiana Wijayatiningsih, Testina Deni Wijayatinningsih, Testiana Deni Wiwik Handayani Yoga Yuniadi Yuniarti, Nanda Eka Yunita Nugraheni Yusrin, Yusrin Yustinah Yustinah