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切削工具的耐用性通过U-FAST技术在碎片板加工中获得
Joanna Wachowicz1, Jacek Wilkowski1, Tomasz Dembiczak2
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)
|February 13, 2025
概括
创新的升级现场辅助烧结技术 (U-FAST) 生产了碳酸与 (WC-Co) 切削刀片,使碎片板削中的工具寿命增加了一倍. 与商业刀片相比,更大的WC粒度 (0.8微米) 显著提高了耐用性.
科学领域:
- 材料科学 材料科学 材料科学
- 制造业 工程 制造工程
- 部落学 (tribology) 是一个学科.
背景情况:
- 碳化与 (WC-Co) 化碳化物对于加工木材和木材材料是必不可少的,因为它们的硬度和耐磨性.
- 基于木材的材料由于不均性,硬入和低导热性而带来加工挑战,导致工具温度升高.
- 在木材加工中,使用冷却剂是不切实际的,加剧了工具磨损,并限制了碳化物叶片的耐用性,这取决于颗粒大小和含量.
研究的目的:
- 为了评估使用新型升级现场辅助烧结技术 (U-FAST) 方法制造的WC-Co切削刀片的耐用性.
- 为了研究WC粒度对U-FAST烧结叶片在碎片板磨削过程中的性能的影响.
- 在相同的加工条件下,将U-FAST刀片的工具寿命与商业刀片进行比较.
主要方法:
- 使用U-FAST烧结技术生产了由WC-Co碳化物制成的切削刀片,WC颗粒大小为0.1,0.4和0.8微米.
- 在碎片板上进行机械性测试,使用这些刀片在每分钟12,000,15,000和18,000转的旋转速度下进行.
- 工具磨损被测量到达到0.2毫米的最大侧面磨损 (VBmax),以确定工具的寿命.
主要成果:
- 通过U-FAST制造的0.8微米的WC颗粒大小的刀片显示,与具有类似颗粒大小的商业刀片相比,工具寿命增加了两倍.
- 该研究表明,U-FAST烧结WC-Co刀片在苛刻的碎片板加工应用中具有卓越的性能.
- 不同的WC颗粒大小和旋转速度影响了切削工具的磨损特性和整体耐用性.
结论:
- U-FAST烧结技术为生产高耐久性WC-Co切削工具提供了一个有前途的途径,用于加工具有挑战性的木制材料.
- 优化WC颗粒大小对于提高工具寿命至关重要,较大的颗粒显示出显著的好处.
- 这项研究有助于提高木工行业的工具性能和寿命,降低运营成本和提高效率.
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