Infrared and Laser Engineering, Volume. 53, Issue 2, 20230569(2024)
Technics of continuous-wave fiber laser cutting of thin-wall metal materials
Figures & Tables(16)
Fig. 1. (a) Relationship between power and burr thickness at different speeds; (b) Relationship between speed and burr thickness at different powers
Fig. 2. Comparison of burr thickness at different powers. (a1)-(a4) 90 W; (b1)-(b4) 75 W; (c1)-(c4) 60 W
Fig. 3. (a) Relationship between defocus amount and burr thickness at different speeds; (b) Relationship between cutting speed and burr thickness at different defocus amounts
Fig. 4. Comparison of burr thickness at different defocus amounts. (a1)-(a4) −0.1 mm; (b1)-(b4) 0 mm; (c1)-(c4) 0.1 mm; (d1)-(d4) 0.2 mm
Fig. 5. (a) Relationship between power and slag splash zone at different speeds; (b) Relationship between cutting speed and slag splash zone at different powers
Fig. 6. Comparison of slag splash zone width at different powers. (a1), (b1) 60 W; (a2), (b2) 75 W; (a3), (b3) 90 W
Fig. 7. (a) Relationship between defocus amounts and slag splash zone at different speeds; (b) Relationship between cutting speed and slag splash zone at different defocus amounts
Fig. 8. Comparison of slag splash zone width at different defocus amounts. (a1), (b1) −0.1 mm; (a2), (b2) 0 mm; (a3), (b3) 0.1 mm; (a4), (b4) 0.2 mm
Fig. 9. Burr thickness and slag splash zone width when defocus amount is −0.3 mm. (a1)-(a4) Burr thickness; (b1)-(b4) Slag splash zone width
Fig. 10. Burr thickness and slag splash zone width when defocus amount is −0.5 mm. (a1)-(a4) Burr thickness; (b1)-(b4) Slag splash zone width
Fig. 11. Experimental results of laser cutting with pneumatic clamping type. (a1), (a2) 0.2 MPa, (b1), (b2) 0.4 MPa, (c1), (c2) 0.6 MPa
Fig. 12. Experimental results of laser cutting with liner type. (a1), (a2) 125 W; (b1), (b2) 105 W
Table 1. Cutting process parameters table
View tableView in ArticleTable 1. Cutting process parameters table
Cutting parameters Values Note: P—Laser power, v—Cutting speed, h—Defocus amount, p—Gas pressure P/W 48, 60, 75, 90, 100, 125, 190, 255, 320 v/m·min–1 8, 10, 12, 14 h/mm −0.1, −0.2, −0.3, −0.5, 0, 0.1, 0.2 p/MPa 0.2, 0.4, 0.6, 1, 1.2
Table 2. Controlled experimental results table
View tableView in ArticleTable 2. Controlled experimental results table
Number P/W h/mm Thickness of burr/μm Width of slag splash/μm 1 90 −0.3 0 0 2 125 −0.3 9.3 44.3 3 190 −0.3 10.7 67.3 4 255 −0.3 47.3 98.7 5 320 −0.3 61 105.7 6 90 −0.5 0 0 7 125 −0.5 10 37.3 8 190 −0.5 30.6 71 9 255 −0.5 54.3 85 10 320 −0.5 69.7 90.7
Table 3. Process parameters of pneumatic tight cutting
View tableView in ArticleTable 3. Process parameters of pneumatic tight cutting
Number P/W v/m·min-1 h/mm p/×105 Pa 1 125 8 −0.3 2, 4, 6
Table 4. Liner type cutting process parameter table
View tableView in ArticleTable 4. Liner type cutting process parameter table
Number P/W v/m·min-1 h/mm p/×105 Pa 1 105 8 −0.3 12 2 125 8 −0.3 12
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Zhaoyang Zhai, Xinxin Li, Yanchao Zhang, Zhongming Liu, Chunhua Du, Huaming Zhang. Technics of continuous-wave fiber laser cutting of thin-wall metal materials[J]. Infrared and Laser Engineering, 2024, 53(2): 20230569
Paper Information
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Received: Oct. 12, 2023
Accepted: --
Published Online: Mar. 27, 2024
The Author Email: Zhang Yanchao (zhangyanchao@xaut.edu.cn)
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