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All Journal Jurnal Mesin Nusantara Jurnal Inovasi Teknologi Terapan
Muhammad Yunus
Politeknik Manufaktur Negeri Bangka Belitung
Aerospace Engineering Agriculture, Biological Sciences & Forestry Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Electrical & Electronics Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation

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Desain dan Simulasi Tegangan Alat Angkat Cetakan Injeksi  Untuk Mesin Woojin TE170G5 iwan setio yasifanka; Muhammad Yunus; Yang Fitri Arriyani
Jurnal Mesin Nusantara Vol 9 No 1 (2026): Jurnal Mesin Nusantara
Publisher : Universitas Nusantara PGRI Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29407/jmn.v9i1.27246

Abstract

Pemasangan cetakan (mold) pada mesin injeksi plastik membutuhkan alat bantu karena bobot mold relatif besar dan area kerja mesin sering terbatas. Pada kondisi tertentu, penggunaan alat bantu umum belum mampu menjangkau posisi pemasangan dengan baik sehingga proses kerja menjadi kurang efisien dan berisiko bagi operator. Penelitian ini bertujuan merancang alat angkat cetakan dari arah samping untuk mesin Woojin TE170G5 dengan kapasitas angkat 2 ton. Metode perancangan yang digunakan adalah VDI 2222 melalui tahapan identifikasi kebutuhan, pengembangan konsep, pemilihan alternatif, dan penyelesaian rancangan. Data penelitian diperoleh melalui observasi kondisi mesin, pengukuran area kerja, serta studi literatur. Model alat dibuat dan dianalisis menggunakan SolidWorks Simulation untuk mengevaluasi tegangan Von Mises, displacement, serta faktor keamanan. Hasil simulasi menunjukkan tegangan maksimum rangka sebesar 0,629 MPa dan displacement maksimum sebesar 0,004 mm. Analisis pin connector menunjukkan gaya maksimum sebesar 12.004 N pada Pin 1 dengan tegangan geser 26,55 MPa. Nilai tersebut masih berada di bawah tegangan luluh material ASTM A36, sehingga rancangan dinyatakan aman terhadap beban kerja. Meskipun demikian, nilai Factor of Safety yang tinggi perlu menjadi perhatian karena dapat mengindikasikan peluang optimasi dimensi dan biaya produksi.
Rancangan Fixture Kursi Roda Untuk Pengguna Kursi Roda Muhammad Basrul Muhid; Subkhan Subkhan; Muhammad Yunus
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.361

Abstract

Mobility for persons with disabilities remains hindered by the lack of wheelchair-friendly transportation facilities, particularly in securing and stabilizing the wheelchair during travel. This study aims to design a wheelchair fixture system for Wheelchair User Vehicles using the VDI 2222 design method, which includes four main stages: planning, concept development, design, and finalization. Concept selection analysis was carried out using the Composite Performance Index (CPI) method, resulting in the optimal combination of a spring clamp, vertical bearing guide, and upper locking locator. Simulation using SolidWorks shows that the design can withstand a load of 657.05 N (65 kg) with a safety factor value of up to 3.000, indicating the system is safe and reliable. This design is expected to provide an innovative solution for disability-friendly vehicles with a lightweight, functional, and independently operable system.
Analisis Desain Cetakan Paving Blok Hexagonal Bagas Adi Saputro; Muhammad Yunus; Zulfan Yus Andi
Jurnal Inovasi Teknologi Terapan Vol. 4 No. 1 (2026): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v4i1.396

Abstract

Plastic molds offer lighter weight, ease of design modification, and the ability to produce very large quantities of products due to the ability to cast with multiple molds simultaneously. However, they are susceptible to thermal deformation due to pressure during the casting process. This condition can cause dimensional deviations outside the tolerance limits set by the British Standards Institution (BSI), which is ± 2 mm. This research focuses on the design analysis of hexagonal paving block molds made of Polypropylene (PP) using the SolidWorks Simulation approach to evaluate the effect of variations in the number of reinforcements (ribs) on the deformation and stiffness of the mold design. Paving block models have four design configurations: no ribs, one rib, two ribs, and three ribs. The analysis results show that all designs are still within the maximum deformation tolerance limit, but increasing the number of ribs significantly increases stiffness and decreases total deformation. The three-rib configuration produces a minimum deformation of 0.5059 mm, making it the most optimal design in maintaining mold dimensional stability. This research provides a scientific basis for the development of optimal, precise, and BSI-standardized paving block molds with Polypropylene material for mass production of paving blocks.
Co-Authors Arriyani, Yang Fitri Bagas Adi Saputro iwan setio yasifanka Muhammad Basrul Muhid Subkhan Subkhan Zulfan Yus Andi