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All Journal Jurnal Optimasi Sistem Industri REKAYASA Conference on Innovation and Application of Science and Technology (CIASTECH) Jurnal Teknik Mesin Indonesia Jurnal Asiimetrik: Jurnal Ilmiah Rekayasa Dan Inovasi Scientific Journal of Mechanical Engineering Kinematika Journal of Applied Sciences and Advanced Technology Jurnal Serambi Abdimas Jurnal Ilmiah Teknik Mesin Poros Mechanical Engineering for Society and Industry Jurnal Teknik Mesin Mechanical Xplore Dulang: Jurnal Pengabdian Kepada Masyarakat Engineering and Technology International Journal (EATIJ) Joong-Ki
Dodi Mulyadi
Universitas Buana Perjuangan Karawang
Aerospace Engineering Agriculture, Biological Sciences & Forestry Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Penerapan Toleransi dalam Pembuatan JIG Jackcable Menggunakan 3D Printing Karyadi, Karyadi; Nanda, Rizki Aulia; Mulyadi, Dodi; Suhara, Ade; Sunandar, Aris Abdul; Dewadi, Fathan Mubina
Engineering and Technology International Journal Vol 6 No 03 (2024): Engineering and Technology International Journal (EATIJ)
Publisher : YCMM

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55642/eatij.v6i03.875

Abstract

JIG merupakan sebuah komponen yang sangat penting dalam dunia industri baik industri manufacturing dan industri lainnya, JIG adalah sebuah komponen yang akan digunakan dalam penempatan atau dudukan untuk sebuah proses dalam industri. JIG digunakan sebagai media membantu dalam penempatan komponen-komponen produksi yang akan di manufacturing, permasalahan yang timbul adalah pada saat pembuatan JIG memerlukan ukuran yang sesuai terhadap benda yang akan ditempatkan, maka tujuan dari penelitian ini adalah menetapkan sebuah toleransi untuk pembuatan JIG menggunakan mesin 3D Printing. Metode yang digunakan yaitu dimulai dengan pengukuran benda manufacturing yaitu jackcable pada pin 16 dan pin 10. Setelah dilakukan proses pengukuran maka penentuan toleransi sesuai dengan standar yang telah ditetapkan, ketika perhitungan toleransi terhadap hasil pengukuran maka selanjutnya dilakukan proses desain. Hasil desain akan diubah menjadi format G-Code untuk dicetak menggunakan mesin 3D Printing. hasil penelitian ini menunjukkan simbol “i,j,n,m dan e” memiliki toleransi yang sama yaitu 0.5-0.7mm hal tersebut karena pada bagian tersebut toleransi hanya menerapkan tingkat suaian yang longgar atau suaian kasar. Secara keseluruhan dapat disimpulkan hasil penelitian ini pada JIG pin 10 menggunakan suaian sedang dan pada JIG pin 16 menggunakan suaian kasar.
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.
Parametric Analysis and Optimization of Sinker-EDM Process for High Tensile Strength Steel Using Response Surface Methodology Rohman; Sukarman, Sukarman; Khoirudin, Khoirudin; Taufik Ulhakim, Muhamad; Mulyadi, Dodi; Amir, Amir; Abdulah, Amri
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.v5i2.9017

Abstract

This investigation focuses on optimizing the sinker electrical discharge machining (sinker-EDM) process parameters for high tensile strength steel (HTSS), specifically SKD-11, utilizing Box-Behnken Response Surface Methodology (BB-RSM). Sinker-EDM is a commonly used technique in manufacturing moulds, dies, and components for sectors like automotive and aerospace. This process eliminates direct contact between the electrode and the workpiece. However, its low material removal rate (MRR) constrains productivity. This research endeavours to enhance MRR by employing rectangular graphite electrodes. The Box-Behnken Response Surface Methodology (BB-RSM) was utilized to evaluate the effects of pulse current, spark-on time, and gap voltage on MRR. The optimal MRR of 45.49 mm³/min was attained at a pulse current of 16 A, spark-on time of 400 µs, and gap voltage of 45 V. ANOVA revealed that pulse current and spark-on time significantly influenced MRR. In contrast, gap voltage had an insignificant impact. Interaction and surface plot analyses confirmed that high pulse current and extended spark-on time resulted in the maximum MRR. These findings provide valuable insights for optimizing the sinker-EDM process for SHTSS, contributing to enhanced productivity and efficiency in manufacturing.
Pengembangan Kapasitas Produksi melalui Pengabdian kepada Masyarakat: Pendampingan Proses Stamping di UMKM Karawang Jawa Barat Sukarman, Sukarman; Ulhakim, Mumamad Taufik; Mulyadi, Dodi; Khoirudin, Khoirudin; Amir, Amir; Rahdiana, Nana; Suhara, Ade; Hakim, Afif
Jurnal Serambi Abdimas Vol 6 No 01 (2025): Jurnal Serambi Abdimas
Publisher : Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/sa.v6i01.14855

Abstract

Proyek pengabdian kepada masyarakat ini bertujuan mengatasi tantangan efisiensi produksi di sektor industri kecil dan menengah dengan mengeksplorasi transisi dari penggunaan CNC ke proses blanking. Fokus utama inisiatif ini adalah meningkatkan efektivitas biaya dan waktu produksi melalui penerapan teknologi blanking yang lebih efisien. Metodologi yang digunakan adalah Participatory Action Research (PAR), yang mengedepankan kolaborasi sinergis antara tim Universitas Buana Perjuangan (UBP) Karawang dan tim PT Gama Satya Engineering. Tahapan kegiatan meliputi identifikasi masalah, pengembangan solusi, hingga implementasi perubahan yang diperlukan di lapangan. Hasil menunjukkan bahwa penerapan proses blanking dengan mesin 40-ton berhasil menekan biaya produksi per komponen menjadi Rp 2.061,14, menghasilkan penghematan hingga 95,71% dibandingkan dengan proses CNC. Sementara itu, penggunaan mesin 80-ton mencatatkan biaya produksi sebesar Rp 2.200,03 per komponen dengan tingkat efisiensi 95,42%. Dari sisi waktu, proses blanking hanya memerlukan 0,0139 jam (sekitar 0,834 menit) per komponen, jauh lebih cepat dibandingkan proses CNC yang memakan waktu hingga 12 menit per unit. Temuan ini tidak hanya menunjukkan potensi signifikan dalam penghematan biaya dan waktu, tetapi juga memperkuat hubungan antara akademisi dan industri. Selain itu, hasil penelitian ini memberikan panduan praktis yang dapat diterapkan secara berkelanjutan di sektor industri kecil dan menengah, sekaligus memberikan dampak positif bagi mitra industri.
Enhancement Material Removal Rate Optimization of Sinker EDM Process Parameters Using a Rectangular Graphite Electrode Sukarman; Sumanto; Acim Maulana; Dodi Mulyadi; Khoirudin; Siswanto; Ade Suhara; Safril
Jurnal Optimasi Sistem Industri Vol. 21 No. 2 (2022): Published in October 2022
Publisher : The Industrial Engineering Department of Engineering Faculty at Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/josi.v21.n2.p87-96.2022

Abstract

This article discusses the optimization of sinker electrical discharge machining (sinker EDM) processes using SPHC material that has been hardened. The sinker EDM method is widely employed, for example, in the production of moulds, dies, and automotive and aeronautical components. There is neither contact nor a cutting force between the electrode and the work material in sinker EDM. The disadvantage of the sinker EDM is its low material removal rate. This work aims to optimize the material removal rate (MRR) using graphene electrodes in a rectangular configuration. The SPHC material was selected to determine the optimum MRR model of the sinker EDM input parameter. The Taguchi experimental design was chosen. The Taguchi technique used three input parameters and three experimental levels. Pulse current (I), spark on time (Ton), and gap voltage were among the input parameters (Vg). The graphite rectangle was chosen as an electrode material. The input parameter effect was evaluated by S/N ratio analysis. The result showed that pulse current has the most significant impact on material removal rate in the initial study, followed by spark on time and gap voltage. All input parameters are directly proportional to the MRR. For optimal material removal rate, the third level of pulse current, spark on time, and gap voltage must be maintained. In addition, the proposed Taguchi optimization model could be applied to an existing workshop floor as a simple and practical electronic tool for predicting wear and future research.
Co-Authors Abduh Al Afghani Acim Maulana Ade Suhara Afif Hakim Agung Gumelar Agus Suprihanto Agus Supriyanto Ahmad Fauzi Ahmad Hidayat Amir Amir Amir Amir Amir Amir Amri Abdulah Anwar Ilmar Ramadhan Arif Wibowo, Ludvi Aulia Nanda, Rizki Budhi M Suyitno Budiansyah, Ade Cepi Cepi Budiansyah, Ade Fathan Mubina Dewadi Fazin, Nazar Fazrin, Nazar Hananto, Agustia Irfani, Tomas Istianto Budhi Rahardja Karyadi Karyadi Karyadi Khoirudin Khoirudin Khoirudin Khoirudin Khoirudin Khoirudin Khoirudin Khoirudin Khoirudin, Khoirudin Kumbarasari, Shanti Luay Raihan Dhawy Miftahudin, Moh Mohamad Rizkiyanto Mucharrom, Fajar Murtalim Murtalim Murtalim, Murtalim Nana Rahdiana Nanda, Rizki Aulia Nugroho, Azis Adhi Nurdin, Alizar Patya, Dhea Intan Pratama, Tito Chaerul Putra Adjie Suwignyo Rahdiana, Nana Rahmadi Kusumastuti Rizki Aulia Nanda Rohman Safril Safril Safril Safril Salman Fahrizal Gymanstiar Shieddieque, Apang Djafar Siswanto Siswanto Siswanto Sofiyanti, Bella Suhara, Ade Sukarman Sukarman Sukarman Sukarman Sukarman Sukarman Sumanto Sumanto Sumanto Sunandar, Aris Abdul Susanto Sudiro Taufik Ulhakim, Muhamad Taufiqur Rokhman, Taufiqur Tikamori, Ghazi Tito Chaerul Pratama Ulhakim, Muhamad Taufik Ulhakim, Mumamad Taufik