Fabrikasi Pisau Rotor Traktor Manual Baja Karbon Menengah Ukuran 220×80×8 mm, Kapasitas 0,5 Biji/Jam

Imam Anom Besari; Syamsul Hadi; Mohammad Tarwiyatut Toriq; Andri Kurniawan Zuga Pratama; Muhammad Vedy Yunawan

doi:10.61132/mars.v4i2.1613

Authors

Imam Anom Besari Politeknik Negeri Malang
Syamsul Hadi Politeknik Negeri Malang
Mohammad Tarwiyatut Toriq Politeknik Negeri Malang
Andri Kurniawan Zuga Pratama Politeknik Negeri Malang
Muhammad Vedy Yunawan Politeknik Negeri Malang

DOI:

https://doi.org/10.61132/mars.v4i2.1613

Keywords:

55 HRC, Manual Tractor, Rotor Blades, SUP9A Steel, Used Leaf Springs

Abstract

The problem in manual tractors lies in the rotor blades that are not wear-resistant and their dimensions are not up to standard. The purpose of fabrication is to obtain medium carbon steel manual tractor rotor blades measuring 220×80×8 mm. Fabrication methods include: standard blade design measuring 220 mm long, 80 mm wide, 8 mm thick, and 9 mm hole diameter, selection of used leaf spring steel type SUP9A measuring 500×90x10 mm, cutting used leaf springs, straightening used leaf springs, forging used leaf springs, drilling used leaf springs with a diameter of 9 mm, hardening at 850°C, tempering at 450°C, sharpening tractor rotary blades, finishing, product quality hardness testing. The fabrication results are in the form of a manual tractor rotary blade with dimensions of 220 × 80 × 8 mm from used SUP9A spring steel which is forged with a hardening hardness value of 55 HRC which is higher than the standard value of 50 HRC or 10% harder and the tempering results reach 45 HRC, the total production cost is IDR 80,000/unit and the processing duration is 130 minutes/unit which implies that the rotor blade is wear-resistant and has met the dimensional standards.

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