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Solih, Edwin Sahrial
Politeknik STMI Jakarta
Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Law, Crime, Criminology & Criminal Justice Materials Science & Nanotechnology Mechanical Engineering

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EVALUASI DESAIN RANCANG BANGUN PUNCH DAN DIE MENGGUNAKAN SIMULASI STATIK SEBAGAI QUALITY CONFIRMATION Edwin Sahrial Solih; Ahmad Arif; Sanurya Putri Purbaningrum; Desy Agustin; Abdul Wahid Arohman; Fadhil Fadhlurrohman Nurhadi; Fredy Sumasto
Scientific Journal of Mechanical Engineering Kinematika Vol 10 No 1 (2025): SJME Kinematika Juni 2025
Publisher : Mechanical Engineering Department, Faculty of Engineering, Universitas Lambung Mangkurat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20527/sjmekinematika.v10i1.727

Abstract

Modern manufacturing industries demand high efficiency and consistent product quality, especially in metal forming processes such as stamping dies. An accurate punch and die design essential to ensure the success of bending operations, particularly for metal-based products like forks. This study aims to evaluate the structural reliability of punch and die designs through a static simulation approach as a quality confirmation method prior to manufacturing. The methodology includes die geometry design, selection of SKD11 tool steel based on its mechanical properties, and stress analysis using SolidWorks software under a static load of 35 tons. The stress distribution was analyzed using the Von Mises method, and the Factor of Safety (FOS) was calculated as a design safety indicator. Simulation results show that the maximum stress on the die was 9.91 × 10⁷ N/m² and on the punch was 1.01 × 10⁸ N/m², both well below the yield strength of SKD11 (6.88 × 10⁸ N/m²). The FOS values of 3.47 for the die and 3.26 for the punch confirm structural safety. Validation through trial dies and 3D scanner measurements indicated dimensional deviations within the acceptable tolerance range. This approach effective for improving design accuracy and production efficiency in stamping die manufacturing.
Reduction Cost in Material Spring-type Coil for Heavy-duty Oil Filter By-pass System with Redesigning Adam Satria; Edwin Sahrial Solih; Sanurya Putri Purbaningrum; Abdul Wahid Arohman; Ridho Hans Gurning
Infotekmesin Vol 16 No 2 (2025): Infotekmesin: Juli 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i2.2665

Abstract

The bypass system in oil filters plays a crucial role in maintaining engine cleanliness and performance by allowing oil to flow through the filter when the pressure exceeds set limits. A critical component of this system is the coil spring that controls the bypass valve. In this study, an experimental approach was applied to reduce material cost while preserving performance. We redesigned the spring from four coils of 3.5 mm diameter to three coils of 3 mm diameter, using the same standard hard steel wire SW‑C. The redesigned springs were subjected to a standard impulse test of 250,000 cycles under 7 kgf/cm² pressure and a loading test with deflections from 1 to 10 mm at pressures up to 11 kgf. Results show that the new three‑coil SW‑C spring meets all performance criteria: impulse life and load‑deflection characteristics fall within standard tolerances. A direct comparison with the original design demonstrates negligible differences in functional behavior, confirming that material usage and costs can be reduced without sacrificing reliability. These findings offer valuable guidance for the cost‑efficient production of oil filter components in automotive engineering.
Rancang Bangun Jig Welding Modifikasi Pneumatic Clamp Untuk Pengelasan Rear Tube Sepeda Motor Listrik Sanurya Putri Purbaningrum; Edwin Sahrial Solih; Indah Kurnia Mahasih Lianny; Sarip Awaludin; Dirham Sidiq
Infotekmesin Vol 16 No 2 (2025): Infotekmesin: Juli 2025
Publisher : P3M Politeknik Negeri Cilacap

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35970/infotekmesin.v16i2.2667

Abstract

Welding of electric motorcycle rear tube frames at PT Ganding Toolsindo still uses manual clamp welding jigs, which cause problems with long part setup times and less precise weld joints. This study aims to design a more efficient welding jig, which can increase productivity and welding quality by modifying the pneumatic clamp on the welding jig used. The research methods used include literature studies, field observations, data analysis and collection, welding jig design with pneumatic clamps, manufacturing, and testing of welding jigs. Welding with manual clamp welding jigs requires a part setup time of 40 seconds. While the part setup in welding with pneumatic clamp modified welding jigs is 19 seconds. The reduction in part setup time by using pneumatic clamp modified welding jigs is 21 seconds or 52%. These results prove that the use of pneumatic clamp modified welding jigs can increase welding efficiency and produce more precise weld joints.
Co-Authors Abdul Wahid Arohman Adam Satria Adhitya Nugraha Duwan Putra Adrian Januar Wahab Ahmad Arif Ahmad Rifai Al Fatir, Aditya Andi Muhammad Hanif Tjoppo Arif Muttaqin Azzahra, Sabrina Desy Agustin Dewi Auditiya Marizka Dianasanti Salati Dirham Sidiq Fadhil Fadhlurrohman Nurhadi Fadlurrohman Nurhadi, Fadhil Hakim , Ali Rachman Hasan Sudrajat Hendi Lilih Wijayanto Ibnu Syihab Imansuri, Febriza Indah Kurnia Mahasih Lianny Indah Kurnia Mahasih Lianny Irma Agustiningsih Imdam johannes johannes Johannnes Ma’ruf, Muhammad Irvan Tantyagus Muhamad Agus Muhammad Riezqi Ibrahim Muhammad Ryas Anugrah Sahnun Mustofa Mustofa Nurhadi, Fadhil Fadhlurrohman Nurhadi, Hikari Qurrata'ain Paramita, Astriyani Sandya Putri, Sanurya Rangkuti, Indra Yusuf Ridho Hans Gurning Ridho Hans Gurning Rizki Kurniawan Samudra, Bayu Sanurya Putri Purbaningrum Sarip Awaludin Satiman , Bayu Satiman, Bayu Satria, Adam Satriatama, Adrian Sumasto, Fredy Suroso, Finna Syaeful, Muhamad Eryl Saputra Vebriyanti Hayoto Yudhistira, Hilmi