Influence of MoC Coatings on Wear of Edges of Steel Knives and Cutting Parameters for Milling Oak Wood

IF 0.5 4区 工程技术 Q4 ENGINEERING, MECHANICAL Journal of Friction and Wear Pub Date : 2023-03-13 DOI:10.3103/S1068366622060034
V. V. Chayeuski, A. K. Kuleshov, Š. Barcík, P. Koleda, O. G. Rudak, P. V. Rudak
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Abstract

The article studies the characteristics of mill knives of high-speed steel HS 18-0-2-5 with as well as without МоС and Мо2С molybdenum carbide coating at plane milling of oak wood. The molybdenum carbide coating was deposited by arc vacuum physical vapor deposition (Arc-PVD). The knife edge wear was determined using a contour measuring system for determining the displacement of the cutting edge along the axis of the cutter wedge sharpness angle (WBW). Compared to a milling cutter with knives without coating, the molybdenum carbide coating improves the wear resistance of the knife blades and increases the cutting power by almost 40% when milling oak wood samples. The mills with the knife edges coated with the molybdenum carbides exhibited an average reduction in oak wood surface roughness Ra by 1.5–3 µm as compared to the bare tool in the entire range of applied feed rates and milling length. The laboratory tests of the wood-cutting tool covered with MoC coating prove that their durability has increased by 30% against the durability of the bare tool used in milling oak wood.

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MoC涂层对铣削橡木刀具刃口磨损及切削参数的影响
研究了hs18 -0-2-5高速钢刀具在加工橡木平面铣削时,涂有МоС和Мо2С碳化钼涂层和不涂有МоС和Мо2С碳化钼涂层的特性。采用电弧真空物理气相沉积(arc - pvd)技术制备了碳化钼涂层。利用轮廓测量系统测定沿刀具楔尖角轴线的切削刃位移来确定刃口磨损。与没有涂层的铣刀相比,碳化钼涂层提高了刀片的耐磨性,铣削橡木样品时的切削功率提高了近40%。在整个进料速度和铣削长度范围内,与裸刀相比,刀口涂有碳化钼的铣刀显示出橡树木表面粗糙度Ra平均降低1.5-3µm。对覆盖MoC涂层的木材切削刀具的实验室测试证明,它们的耐用性比用于铣削橡木的裸刀具的耐用性提高了30%。
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来源期刊
Journal of Friction and Wear
Journal of Friction and Wear ENGINEERING, MECHANICAL-MATERIALS SCIENCE, MULTIDISCIPLINARY
CiteScore
1.50
自引率
28.60%
发文量
21
审稿时长
6-12 weeks
期刊介绍: Journal of Friction and Wear is intended to bring together researchers and practitioners working in tribology. It provides novel information on science, practice, and technology of lubrication, wear prevention, and friction control. Papers cover tribological problems of physics, chemistry, materials science, and mechanical engineering, discussing issues from a fundamental or technological point of view.
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