Analysis of Shielded Metal Arc Welding (SMAW) on high manganese steel hammer-mill crusher / Yusup Hendronursito...[et al.]

Hendronursito, Yusup and Isnugroho, Kusno and David, Candra Birawidha and Amin, Muhammad (2019) Analysis of Shielded Metal Arc Welding (SMAW) on high manganese steel hammer-mill crusher / Yusup Hendronursito...[et al.]. Journal of Mechanical Engineering (JMechE), 16 (2). pp. 93-107. ISSN 1823-5514 ; 2550-164X


Hammer-mill crusher is the main component of crushing machine, used to crush the material into smaller size. In this study the crusher was produced by casting in an induction furnace, which composition consisted of 1.64% C, 8.77% Mn, 2.56% Cr, and 3.75% Cu. Unfortunately, the production process frequently yielded undesirable defects such as blowhole, gas porosity and smooth - walled cavities, and the welding process was required to repair such defects. This study aimed to determine the welding parameters for hammer-mill crusher welding with Shielded Metal Arc welding (SMAW) process that covered the effect of welding current of 90A, 120A, 150A, welding speed of 0.8 mm/s, 1 mm/s, 1.7 mm/s and filler metal of AWS A5.5 (E7016) and AWS A5.13 (E7-UM-300K). The qualification standard for welding refered to The American Society of Mechanical Engineers (ASME) Section IX Welding and Brazing Qualification. The testing refered to ASME IX QW - 140 (purpose of the testing and inspection of welds) for tention test (QW-141.1) and visual examination (QW-144), ASME IX QW – 190 (other tests and examination) for Radiographic examination (QW – 191). The hardness test was performed to determine whether the hardness of weld pool is the same or close to the value of the hammer-mill crusher hardness. This parameter was important considering the function of hammer-mill as hard material crusher. The results showed that the optimum welding condition are: welding speed of 1 mm/ s, welding current 120A and filler metal AWS A5.13 (E7-UM-300K). The best results of mechanical properties include hardness 254 HV, elasticity modulus 277.261 MPa, and tensile strength283.605 Mpa.


Item Type: Article
Email / ID Num.
Hendronursito, Yusup
Isnugroho, Kusno
David, Candra Birawidha
Amin, Muhammad
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Universiti Teknologi MARA, Shah Alam > Faculty of Mechanical Engineering
Journal or Publication Title: Journal of Mechanical Engineering (JMechE)
UiTM Journal Collections: UiTM Journal > Journal of Mechanical Engineering (JMechE)
ISSN: 1823-5514 ; 2550-164X
Volume: 16
Number: 2
Page Range: pp. 93-107
Keywords: Hammer-mill, Welding, Non Destructive Test, Destructive Test, Mechanical Properties
Date: 2019
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