Precise Hole Drilling in PMMA Using 1064 nm Diode Laser CNC Machine | Zendy

Jinan Abdulhassan Abdulnabi | Zendy; Thaier Abid Tawfiq | Zendy; Anwaar A. Al-Dergazly | Zendy; Ziad A. Taha | Zendy; Khalil I. Hajim | Zendy

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Precise Hole Drilling in PMMA Using 1064 nm Diode Laser CNC Machine

Author(s) -

Jinan Abdulhassan Abdulnabi,

Thaier Abid Tawfiq,

Anwaar A. Al-Dergazly,

Ziad A. Taha,

Khalil I. Hajim

Publication year - 2011

Publication title -

advances in materials science and engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.356

H-Index - 42

eISSN - 1687-8442

pISSN - 1687-8434

DOI - 10.1155/2011/137407

Subject(s) - materials science , laser , laser drilling , drilling , diode , laser beam machining , power (physics) , optics , laser beams , mechanical engineering , optoelectronics , metallurgy , physics , quantum mechanics , engineering

This paper represents the outcome of efforts that intended to achieve laser hole drilling execution in polymethylmethacrylate (PMMA) of 2.5 mm thickness using 1064 nm diode laser of 5 W output power. Different laser beam powers, exposure time, and positions of the laser spot were taken into consideration with respect to the workpiece. The workpieces were tested in the existence of low-pressure assist gas (20–60 mmHg of air). The experimental results were supported by the predicted results of the analytical model

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