研究目的
Investigating the potential to improve the surface roughness in parts manufactured in the Selective Laser Melting (SLM) process by using additional milling.
研究成果
The milling process significantly reduces the surface roughness of SLM-manufactured parts. Optimal process parameters were identified to achieve desired surface roughness levels. The study highlights the importance of selecting appropriate laser scanning speeds and milling parameters to minimize surface defects.
研究不足
The study focused on the AlSi10Mg alloy and specific ranges of laser scanning speeds and milling parameters. The findings may not be directly applicable to other materials or parameter ranges.
1：Experimental Design and Method Selection
The study involved machining samples made of AlSi10Mg alloy powder using the SLM process followed by milling. The impact of laser scanning speed and milling parameters on surface roughness was analyzed.
2：Sample Selection and Data Sources
Samples were manufactured using the SLM technology with AlSi10Mg alloy powder. The laser scanning speed was varied to study its effect on surface roughness.
3：List of Experimental Equipment and Materials
TruPrint 1000 machine for SLM, CNC MiniMill2 machine tool for milling, double-edged end mill cutter, Talysurf Intra 50 profilometer for roughness measurements, VHX-600 digital microscope for microscopic observations.
4：Experimental Procedures and Operational Workflow
SLM process was performed with varying laser scanning speeds. Milling was then conducted with varying feed rates and milling widths. Surface roughness was measured post-milling.
5：Data Analysis Methods
ANOVA was performed to determine the significance of process parameters on surface roughness. Regression equations were developed to predict surface roughness based on process parameters.
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