Analysis of process parameters on spatter and dross in plasma arc cutting

Plasma arc cutting (PAC) process has advantages such as the ability to cut all electrically conductive materials and to cut various steel materials with medium and large thicknesses. It is also used in the cutting of high-strength structural steel with lower heat input and has a high cutting speed c...

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Main Authors: Azlan, Ira Fatin, Ismail, Mohd Idris Shah, Samin, Razali
Format: Article
Language:English
Published: ModTech Publishing House 2024
Online Access:http://psasir.upm.edu.my/id/eprint/116788/
http://psasir.upm.edu.my/id/eprint/116788/1/116788.pdf
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author Azlan, Ira Fatin
Ismail, Mohd Idris Shah
Samin, Razali
author_facet Azlan, Ira Fatin
Ismail, Mohd Idris Shah
Samin, Razali
author_sort Azlan, Ira Fatin
building UPM Institutional Repository
collection Online Access
description Plasma arc cutting (PAC) process has advantages such as the ability to cut all electrically conductive materials and to cut various steel materials with medium and large thicknesses. It is also used in the cutting of high-strength structural steel with lower heat input and has a high cutting speed compared to the conventional machining process. In this present work, the spatter and dross formation on S275JR mild carbon steel with a thickness of 5 mm by plasma arc cutting were experimentally investigated. Cutting speed (1000 - 1500 min/min), arc current (90 - 110 A), and stand-off distance (2.5 – 4.5 mm) were selected as cutting parameters with three levels for each parameter. The gas pressure and nozzle diameter were kept constant at 6 bar and 1.5 mm, respectively. Following the completion of the PAC process, the observation and measurement of the spatter and dross were conducted using a digital microscope. The results showed that spatter formation was more prominent near the cut edge or kerf, especially when using a higher stand-off distance. As for the dross formation, the results show maximum length is 1.741 mm and the minimum height is 1.192 mm. Analysis of variance (ANOVA) method is employed to statistically analyse the results and shows the cutting speed and SOD are the most statistically significant. For minimizing dross formation, low arc current, higher levels of cutting speed and stand-off distance should be utilized.
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spelling upm-1167882025-05-07T07:37:41Z http://psasir.upm.edu.my/id/eprint/116788/ Analysis of process parameters on spatter and dross in plasma arc cutting Azlan, Ira Fatin Ismail, Mohd Idris Shah Samin, Razali Plasma arc cutting (PAC) process has advantages such as the ability to cut all electrically conductive materials and to cut various steel materials with medium and large thicknesses. It is also used in the cutting of high-strength structural steel with lower heat input and has a high cutting speed compared to the conventional machining process. In this present work, the spatter and dross formation on S275JR mild carbon steel with a thickness of 5 mm by plasma arc cutting were experimentally investigated. Cutting speed (1000 - 1500 min/min), arc current (90 - 110 A), and stand-off distance (2.5 – 4.5 mm) were selected as cutting parameters with three levels for each parameter. The gas pressure and nozzle diameter were kept constant at 6 bar and 1.5 mm, respectively. Following the completion of the PAC process, the observation and measurement of the spatter and dross were conducted using a digital microscope. The results showed that spatter formation was more prominent near the cut edge or kerf, especially when using a higher stand-off distance. As for the dross formation, the results show maximum length is 1.741 mm and the minimum height is 1.192 mm. Analysis of variance (ANOVA) method is employed to statistically analyse the results and shows the cutting speed and SOD are the most statistically significant. For minimizing dross formation, low arc current, higher levels of cutting speed and stand-off distance should be utilized. ModTech Publishing House 2024 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/116788/1/116788.pdf Azlan, Ira Fatin and Ismail, Mohd Idris Shah and Samin, Razali (2024) Analysis of process parameters on spatter and dross in plasma arc cutting. International Journal of Modern Manufacturing Technologies, 16 (3). pp. 68-74. ISSN 2067-3604 https://ijmmt.ro/international-journal-ijmmt/vol16no32024 10.54684/ijmmt.2024.16.3.68
spellingShingle Azlan, Ira Fatin
Ismail, Mohd Idris Shah
Samin, Razali
Analysis of process parameters on spatter and dross in plasma arc cutting
title Analysis of process parameters on spatter and dross in plasma arc cutting
title_full Analysis of process parameters on spatter and dross in plasma arc cutting
title_fullStr Analysis of process parameters on spatter and dross in plasma arc cutting
title_full_unstemmed Analysis of process parameters on spatter and dross in plasma arc cutting
title_short Analysis of process parameters on spatter and dross in plasma arc cutting
title_sort analysis of process parameters on spatter and dross in plasma arc cutting
url http://psasir.upm.edu.my/id/eprint/116788/
http://psasir.upm.edu.my/id/eprint/116788/
http://psasir.upm.edu.my/id/eprint/116788/
http://psasir.upm.edu.my/id/eprint/116788/1/116788.pdf