Process Optimization for 100 W Nanosecond Pulsed Fiber Laser Engraving of 316L Grade Stainless Steel
Abstract
:1. Introduction
2. Methodology
2.1. Material
2.2. Laser Set-Up
2.3. Experimental Protocol
2.3.1. Single Line Machining
2.3.2. Area Machining Experiment
2.4. Sample Postprocessing and Analysis
3. Results and Discussion
3.1. Single Line Machining Experiment
3.1.1. Groove Analysis
3.1.2. Influence of Change in and τ on Groove and Burr Formation
3.1.3. Effect of Change in PRF and τ on the Volume of Groove and Burr Formation
3.2. Area Machining Experiment
3.2.1. Effect of Different Laser Beam Scanning Strategies
3.2.2. Influence of Change in and τ on the MRR and Sa
3.2.3. Influence of Change in PRF and τ on the MRR and Sa
4. High-Quality Engraving
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Scan Speed (mm/s) | |||||||
---|---|---|---|---|---|---|---|
17 ns 1000 kHz 0.11 mJ | 60 ns 340 kHz 0.32 mJ | 150 ns 175 kHz 0.62 mJ | 280 ns 100 kHz 1.1 mJ | 380 ns 100 kHz 1.1 mJ | 500 ns 100 kHz 1.1 mJ | ||
379 | 0.28 | = 0.4 µm Po = 99% | = 1.1 µm Po = 97% | = 2.2 µm Po = 94% | = 3.8 µm Po = 90% | = 3.8 µm Po = 90% | = 3.8 µm Po = 90% |
759 | 0.14 | = 0.8 µm Po = 98% | = 2.2 µm Po = 94% | = 4.3 µm Po = 89% | = 7.6 µm Po = 80% | = 7.6 µm Po = 80% | = 7.6 µm Po = 80% |
1140 | 0.09 | = 1.1 µm Po = 97% | = 3.4 µm Po = 91% | = 6.5 µm Po = 82% | = 11.4 µm Po = 70% | = 11.4 µm Po = 70% | = 11.4 µm Po = 70% |
1520 | 0.07 | = 1.5 µm Po = 96% | = 4.5 µm Po = 88% | = 8.7 µm Po = 77% | = 15.2 µm Po = 60% | = 15.2 µm Po = 60% | = 15.2 µm Po = 60% |
1900 | 0.06 | = 1.9 µm Po = 95% | = 5.6 µm Po = 85% | = 10.9 µm Po = 71% | = 19 µm Po = 50% | = 19 µm Po = 50% | = 19 µm Po = 50% |
2280 | 0.05 | = 2.3 µm Po = 94% | = 6.7 µm Po = 82% | = 13.0 µm Po = 66% | = 22.8 µm Po = 40% | = 22.8 µm Po = 40% | = 22.8 µm Po = 40% |
3000 | 0.04 | = 3.0 µm Po = 92% | = 8.8 µm Po = 77% | = 17.1 µm Po = 55% | = 30 µm Po = 21% | = 30 µm Po = 21% | = 30 µm Po = 21% |
3420 | 0.03 | = 3.4 µm Po = 91% | = 10.1 µm Po = 74% | = 19.5 µm Po = 49% | = 34.2 µm Po = 10% | = 34.2 µm Po = 10% | = 34.2 µm Po = 10% |
PRF (kHz) | Ep (mJ) | Po (%) at 0.09 J/mm |
---|---|---|
100 | 1.08 | 70 |
150 | 0.72 | 80 |
200 | 0.54 | 85 |
250 | 0.43 | 88 |
300 | 0.36 | 90 |
350 | 0.31 | 91 |
400 | 0.25 | 93 |
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Dondieu, S.D.; Wlodarczyk, K.L.; Harrison, P.; Rosowski, A.; Gabzdyl, J.; Reuben, R.L.; Hand, D.P. Process Optimization for 100 W Nanosecond Pulsed Fiber Laser Engraving of 316L Grade Stainless Steel. J. Manuf. Mater. Process. 2020, 4, 110. https://doi.org/10.3390/jmmp4040110
Dondieu SD, Wlodarczyk KL, Harrison P, Rosowski A, Gabzdyl J, Reuben RL, Hand DP. Process Optimization for 100 W Nanosecond Pulsed Fiber Laser Engraving of 316L Grade Stainless Steel. Journal of Manufacturing and Materials Processing. 2020; 4(4):110. https://doi.org/10.3390/jmmp4040110
Chicago/Turabian StyleDondieu, Stephen D., Krystian L. Wlodarczyk, Paul Harrison, Adam Rosowski, Jack Gabzdyl, Robert L. Reuben, and Duncan P. Hand. 2020. "Process Optimization for 100 W Nanosecond Pulsed Fiber Laser Engraving of 316L Grade Stainless Steel" Journal of Manufacturing and Materials Processing 4, no. 4: 110. https://doi.org/10.3390/jmmp4040110