研究目的
Comparing the functional properties and the cutting accuracy of items produced using Fiber lasers in comparison with CO2 lasers.
研究成果
Fiber lasers provide significantly higher dimensional accuracy and better surface roughness with high repeatability over the entire cutting height compared to CO2 lasers under the same linear energy conditions. The sole disadvantage of Fiber lasers is their higher purchase price.
研究不足
The conclusions refer only to the tests carried out with specific cutting parameters and the same linear energy for both laser types. The study does not explore the effects of varying linear energy or other cutting parameters.
1：Experimental Design and Method Selection:
The research compared the cutting accuracy and surface quality of S235JR steel plates cut with Fiber and CO2 lasers under the same linear energy conditions.
2：Sample Selection and Data Sources:
6 mm thick sheet plates made of S235JR steel were used.
3：List of Experimental Equipment and Materials:
Fiber and CO2 lasers, S235JR steel plates, Quick Scope CNC machine tools of QS and CRYSTA-APEX S series by Mitutoyo, Mahr MarSurf GD 120 testing machine.
4：Experimental Procedures and Operational Workflow:
Cutting parameters were selected to ensure the same linear energy for both laser types. Dimensional accuracy and surface quality were measured according to specified standards.
5：Data Analysis Methods:
Dimensional tolerances and surface roughness parameters (Rz5, Ra) were analyzed and compared.
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