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Analisis Pengaruh Nilai Variasi Temperatur Tempering Baja S50C Sebagai Bahan Pisau Mesin Pencacah Plastik ariyanto, ariyanto; Yudo, Eko; Nicola, Adyu Arya
Manutech : Jurnal Teknologi Manufaktur Vol. 16 No. 01 (2024): Manutech: Jurnal Teknologi Manufaktur
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/manutech.v16i01.292

Abstract

S50C steel is a steel with a carbon content of 0.497 - 0.53% tensile stress of at least 630 mpa. When viewed from the carbon content of the S50C material, this steel is included in medium carbon steel. The carbon range contained in medium carbon steel is between 0.3%C-0.6%C. The minimum requirement for the amount of carbon in steel that can be hardened is greater than 0.3%. By referring to the amount of carbon contained in S50C steel, it can be said that S50C steel can be hardened process.  The hardening process is carried out at a temperature of 800 0 C, a temperature of 840 0 C and a temperature of 8800 C, with cooling media being salt water, oil and seawater. After the hardening process is carried out the tempering process at a temperature of 100 0 C, 200 0 C 300 0 C, 400  0 C  and 500 0 C,the whole heating process uses an electric oven. The overall parameters of the hardening process are optimized using the Taguchi method. Obtained optimal parameter values at a temperature of 880 0C with a brine-water cooling medium. The average hardness obtained before the tempering process was 56.84 HRC and the highest tempering result was 55.95 HRC the lowest result was 35.15 HRC.
Analisis Pengaruh Sudut Mata Potong Bahan S55C Tipe Flate Terhadap Hasil Cacahan Plastik Nicola, Adyu Arya; Yudo, Eko; Yunus, Muhammad
Jurnal Inovasi Teknologi Terapan Vol. 3 No. 1 (2025): Jurnal Inovasi Teknologi Terapan
Publisher : Politeknik Manufaktur Negeri Bangka Belitung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33504/jitt.v3i1.291

Abstract

Manage bottle waste in the surrounding environment very important. Therefore, a plastic chopping machine was created which is expected to optimize this problem. One of the most important components in plastic chopping machines is the cutting edge, the cutting edge of the plastic chopping machine plays an important role in the chopping process. The cutting edge used in this study is made from flate-type S55C steel with a cutting edge inclination angle of 25˚ and 35˚. The purpose of this study is to determine the quality of the results of plastic waste shredding against S55C steel cutting edge material, determine the effect of cutting edge angle with angle variations of 25˚ and 35˚ on the results of plastic waste shredding, knowing the angle of the cutting edge that is good for the plastic shredding process. The method used in this research uses experimental methods. The results of this study indicate that the 35˚ angle cutting edge within one minute produces more shreds than the 25˚ angle cutting edge but for the size of the shreds from both cutting edges have the same length and width variations ranging from one to twenty millimeters.