在板加工过程中通过U-FAST方法获得的WC-Co切削工具的磨损特性
Joanna Wachowicz1, Zbigniew Bałaga2, Piotr Podziewski1
1Institute of Wood Sciences and Furniture, Department of Mechanical Processing of Wood, Warsaw University of Life Sciences, Nowoursynowska Street, 166, 02-787 Warsaw, Poland.
Materials (Basel, Switzerland)
|August 28, 2025
概括
使用U-FAST技术制造的碳化物-工具在微米粒度下显示出更好的工具寿命. 磨损是通过结合去除和颗粒断裂发生的,纳米颗粒大小会通过破碎影响磨损.
科学领域:
- 材料科学
- 制造工程
- 部落学
背景情况:
- 碳酸- (WC-Co) 是加工工具中的一个关键材料.
- 优化WC-Co工具性能对于高效的碎片板加工至关重要.
- 像U-FAST (升级现场辅助烧结技术) 这样的创新烧结方法为提高材料性能提供了潜力.
研究的目的:
- 研究由U-FAST生产的小板加工工具的磨损特性.
- 评估WC颗粒大小对工具磨损和工具寿命的影响.
- 确定影响切边的主要磨损机制.
主要方法:
- 使用U-FAST制造的WC-Co工具具有不同的亚微米WC颗粒大小 (0.4μm和0.8μm).
- 在计算机数控 (CNC) 机床上进行了磨试验.
- 切割参数包括15,000rpm的螺旋旋转,0.25mm/牙的料速度,以及3.75的料速度.
主要成果:
- 具有0.4微米和0.8微米亚微米粒度的工具表现出最长的工具寿命.
- 切削边缘的磨损主要归因于粘合剂的去除,导致颗粒断裂和机械损失.
- 在微米工具中类似的磨损模式表明微磨损和粘合剂挤出是主要的磨损机制.
结论:
- U-FAST生产的微微粒 WC-Co 工具在碎片板加工中表现出卓越的性能.
- 纳米 WC 颗粒大小显著影响工具磨损,增加易碎裂的可能性.
- 了解磨损机制对于设计耐用的WC-Co切削工具至关重要.
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