Analysis of the Process and Results of High-Pressure Abrasive Water Jet Multilayer Cutting of Electrical Steel

被引:6
|
作者
Szada-Borzyszkowska, Monika [1 ]
Kacalak, Wojciech [1 ]
Bohdal, Lukasz [1 ]
Szada-Borzyszkowski, Wieslaw [1 ]
机构
[1] Koszalin Univ Technol, Dept Mech Engn, Racławicka 15-17 St, PL-75620 Koszalin, Poland
关键词
high-pressure abrasive water jet cutting; electrical steel; cut surface; electrical steel single layers; bundle cutting; magnetic properties; OPTIMIZATION; PARAMETERS; BLANKING;
D O I
10.3390/ma17010094
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Electrical steels are magnetically soft materials and are widely used in the electrical industry for the construction of power transformer cores, distribution transformers, current transformers, and voltage transformers. An important parameter of electrical components, which determines the efficiency of devices, is energy loss during remagnetization. Energy losses are caused by eddy currents, hysteresis, and magnetic delay associated with the low quality of the cut edge after the cutting of steels, and material deformations and excessive stress concentration in the surrounding cutting zones. Common techniques for cutting electrical materials in industrial lines include mechanical cutting and laser cutting. Work has shown that mechanical cutting of electrical steel single layers results in the occurrence of large deformation zones, and in cutting processes with a high-pressure abrasive water jet (AWJ), significant uplifts of material and burrs at the bottom edges of sheets occur. The problem of increasing the cutting quality was solved through selecting the stream parameters for bundle cutting of electrical steels. It has been shown that in the process of cutting electrical sheet bundles, the height of burrs on the cut surface and the zone of plastic deformation are reduced. The work also presents comparison and analysis of characteristic features of the cut edge of electrical sheets obtained through high-pressure abrasive water jet and mechanical cutting processes. The influence of the type and processing parameters on the characteristic features of the material hysteresis loop was determined.
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页数:17
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