Perancangan Kekuatan Rangka Mesin Roll Pipa dengan Kapasitas Pipa Diameter ¾ Inch
Keywords:
Rangka, Pipa, Tegangan Tarik, Tegangan GeserAbstract
Perkembangan industri modern menuntut setiap proses produksi dilakukan secara cepat dan tepat, termasuk pada proses pengerolan pipa. Umumnya, proses ini masih dilakukan secara manual sehingga memerlukan waktu yang cukup lama. Berdasarkan kondisi tersebut, dilakukan inovasi berupa perancangan mesin roll pipa yang lebih efisien dan presisi. Penelitian ini berfokus pada perancangan rangka mesin roll pipa dengan kapasitas pipa berdiameter ¾ inci yang memiliki kekuatan struktural memadai. Material rangka yang digunakan adalah baja siku ST 37 berukuran 40×40×3 mm. Proses penyambungan rangka dilakukan dengan metode pengelasan SMAW menggunakan elektroda RD260 berdiameter 2,0 mm. Tujuan perancangan ini adalah untuk mengetahui kekuatan rangka terhadap sambungan las dan beban statis. Hasil perhitungan menunjukkan bahwa tegangan tarik sambungan las sebesar 0,63 kg/mm² dan tegangan geser sebesar 0,58 kg/mm². Sementara itu, pada analisis kekuatan rangka akibat beban statis diperoleh tegangan maksimum sebesar 1,13 kg/mm², yang masih berada di bawah tegangan izin rangka sebesar 8,54 kg/mm².
Abstract: The rapid advancement of modern industry demands efficiency and accuracy in every production process, including pipe rolling. Generally, this process is still carried out manually, which requires considerable time. To address this limitation, an innovation was developed through the design of a pipe rolling machine that operates faster and more precisely. This study focuses on designing a strong frame structure for a pipe rolling machine with a ¾-inch pipe capacity. The frame material used is ST 37 angle steel with dimensions of 40×40×3 mm. The frame assembly was carried out using the Shielded Metal Arc Welding (SMAW) method with RD260 electrodes of 2.0 mm diameter. The purpose of this design is to determine the strength of the frame under welded joints and static loads. The calculation results show that the tensile stress of the weld joint is 0.63 kg/mm², and the shear stress is 0.58 kg/mm². Meanwhile, the maximum stress on the frame under static load is 1.13 kg/mm², which remains below the allowable stress value of 8.54 kg/mm².
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