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All Journal Jurnal Teknik Mesin Indonesia STEAM Engineering : Journal of Science, Technology, Education And Mechanical Engineering Jurnal Polimesin
Azam Milah Muhamad
Politeknik Negeri Jakarta
Aerospace Engineering Automotive Engineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Design analysis of mold cavity and core on compression molding of composite material Muslimin Al Masta; Hasvienda M. Ridlwan; Dhiya Luqyana; Bayu Pambudi; Azam Milah Muhamad
Jurnal POLIMESIN Vol 21, No 2 (2023): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i2.3311

Abstract

This study discusses the design analysis of compression molding cavity and core under 12 tons of pressure and 100oC heat using experimental analysis and Ansys R19.2 simulation. This compression mold is used to process composite materials, mainly thermoset matrix composites. The compression product is a tensile test specimen according to the ASTM D638-4 standard. The main concern of this study aimed to analyze the stress distribution and deflection due to the compression load and heat on the cavity and core of compression molding. Hence, the die construction is safe during the operation under these loads. The analysis was carried out using Von Mises's stress of static loading criteria. The research parameter examined are stress distribution, deflection, and some critical dimensions in the cavity and core. These parameters significantly affect mold performance, product quality, and service life. Experimental analysis shows that the maximum deflection of the cavity and the core is 4.40 x10-4 mm and 1.53 x 10−4 mm, respectively. On the other hand, Simulation analysis shows the maximum deflection of the cavity and core is 4.56 x 10−4 mm and 7.41 x 10-5 mm, respectively. The error between experimental analysis and simulation is 6.87 x 10-5 mm and 3.32 x 10-5 mm for the cavity and the core, respectively. For stress analysis, the maximum value is 37.94 MPa for both cavity and core. On the other hand, simulation analysis shows 262 MPa and 256 MPa for the cavity and core, respectively. Both experimental analysis and simulation show that the result complies with the standard, less than 0,025 mm for deflection, and stress is less than 1034 MPa for maximum stress. Therefore, compression mold structure is safely used.
Numerical simulation analysis of structural strength of portable skid for storage tank with 50.000 liter capacity Muslimin Al Masta
Jurnal POLIMESIN Vol 21, No 2 (2023): April
Publisher : Politeknik Negeri Lhokseumawe

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30811/jpl.v21i2.3501

Abstract

AbstrackA storage tank is a container used to store fluids such as fuel, water, and chemical. Skid construction is implemented to make the tank smoothly transported while operated, such as in the mining field. Skids were assembled on the storage tank's base to sit on the ground. This study aims to design and analyze a portable skid storage tank to resist the load of 50,000 liters (392 kN) of fuel and 45 kN of mass of construction itself statically. The skid's main components are a wear plate, pad eye, and seamless pipes of schedule 40 for support, central, and base. All structure's material is 250 MPa yield strength of ASTM 36 low carbon steel. Manual calculations and simulation analysis were implemented to review the skid structure's maximum stress and safety factor. The examination included pipe support, central pipe, and pad eye. Based on the result, the highest stress of 157.88 MPa by ANSYS and 148.07 MPa by manual calculation. Therefore, the construction is safely based on the Tresca and Von Mises criteria.
Rancang bangun prototype conveyor dengan Sensor Infrared dan Robotic arm berbasis arduino untuk otomatisasi material handling Filia Solagratia Takasumiang; Azam Milah Muhamad; Zezero Meo Cahaya Alam; Farhan Arhani Nawawi; Fajarayhan Afrilio; Affan Mahfani
Jurnal Teknik Mesin Indonesia Vol 20 No 2 (2025): October
Publisher : BKS-TM Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.71452/vj7n4z24

Abstract

Proses pengemasan dalam industri manufaktur memerlukan sistem yang andal untuk memastikan kualitas produk sebelum distribusi. Salah satu tantangan utama dalam proses ini adalah mendeteksi karton yang gagal sealing dan memastikan pemindahan karton yang berhasil sealing ke tempat tumpukan dengan efisiensi tinggi. Penelitian ini bertujuan untuk merancang dan menganalisis sistem conveyor otomatis yang dilengkapi dengan sensor infrared (IR) untuk mendeteksi kegagalan sealing serta sistem pemindahan otomatis. Perancangan dilakukan menggunakan perangkat lunak CAD dan dianalisis dengan metode Quality function deployment (QFD) untuk menyesuaikan kebutuhan pengguna. Lalu dilakukan validasi dengan pendekatan eksperimental termasuk pembuatan prototipe, pengujian fungsional sensor, aktuator, serta pengujian performa. Hasil pengujian menunjukkan bahwa sistem ini memiliki tingkat akurasi pemisahan 100% serta mampu memindahkan karton dalam waktu rata-rata 16 detik per karton dengan kapasitas 3 karton per menit. Perhitungan teknis seperti panjang belt, umur bearing, torsi, dan daya motor menunjukkan kesesuaian sistem dalam mendukung operasi yang stabil dan berkelanjutan. Penelitian ini membuka peluang pengembangan sistem material handling otomatis yang adaptif dan andal melalui penambahan sensor dan optimasi parameter motor.
PERANCANGAN MESIN PENATA PRODUK OTOMATIS DENGAN MEKANISME CNC 3-axis BERBASIS ARDUINO GRBL Azam Milah Muhamad; Yudha Dewangga; Risat Dwi Yulianto; Al Maida Nurul Alaika; Faiq Akmal; Dhiya Luqyana
Steam Engineering Vol. 7 No. 2 (2026): STEAM Engineering, Vol. 7, No. 2, Maret 2026
Publisher : Program Studi Pendidikan Teknik Mesin, Fakultas Keguruan dan Ilmu Pendidikan, Universitas Palangka Raya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37304/jptm.v7i2.21455

Abstract

This research aims to design an automatic product arranging machine based on a 3-axis CNC mechanism controlled by Arduino GRBL to improve the efficiency of the final stage of manufacturing, particularly in the arrangement of lightweight cardboard packaging. The Quality Function Deployment (QFD) method was applied to translate five main consumer requirements high accuracy, transfer speed, product size flexibility, operational simplicity, and cost-effectiveness into technical specifications. Three design alternatives were evaluated through Concept Screening and Scoring, resulting in the selection of Design Alternative 3, which is modular and easy to maintain. Technical analysis demonstrated adequate performance, with a load force of 0.00735 [N], motor torque of 0.000294 [Nm], movement speed of 0.0333 [m/s], motor power of 0.0037 [W], and frame deflection of 2.55 × 10⁻⁸ [mm]. These values indicate that the system ensures stability, energy efficiency, and precision in operation. The use of 6061 aluminum alloy for the frame and NEMA 17 stepper motors with A4988 drivers guarantees rigidity, accuracy, and production cost efficiency. The novelty of this research lies in adapting the 3-axis CNC system to handle non-electronic objects (40×40×40 mm, 20 grams cardboard boxes), extending its application beyond previous studies that focused on small SMD components. In the future, this research will focus on developing advanced control systems and sensors to enhance accuracy, speed, and the diversity of object shapes that can be manipulated.
Co-Authors Affan Mahfani Al Maida Nurul Alaika Bayu Pambudi Dhiya Luqyana Faiq Akmal Fajarayhan Afrilio Farhan Arhani Nawawi Filia Solagratia Takasumiang Hasvienda M. Ridlwan Muslimin Muslimin Risat Dwi Yulianto Yudha Dewangga Zezero Meo Cahaya Alam