Manufacturing Technology 2023, 23(6):917-926 | DOI: 10.21062/mft.2023.094
Wear Analysis of Indexable Inserts after Machining of Austenitic Steel 1.4404
- 1 Faculty of Agriculture and Technology, University of South Bohemia in České Budějovice. Studentska 1668, 370 05 Ceske Budejovice. Czech Republic
- 2 Faculty of Mechanical Engineering, J. E. Purkyne University in Usti nad Labem. Pasteurova 3334/7, 400 01 Usti nad Labem. Czech Republic
This article deals with the comparison of the wear of indexable CNMG carbide inserts from two dif-ferent manufacturers when turning austenitic stainless steel 1.4404, which is not intended as the pri-mary material to be machined from the point of view of the tested inserts. The main goal was to demonstrate the different course of wear by testing inserts of the same type according to ISO 6987 showing the connection between the design and processing of the inserts in connection with the se-lected cutting parameters. The monitored type of wear was the main flank wear VBmax, depending on the length of the machining time. Optical and electron microscopes were used to analyze the flank wear. According to the assumption, it was found that the layout of the cutting edge geometry and coating layers has a noticeable effect on the degree of wear of the evaluated cutting inserts. At the same time, it was found that the tested indexable inserts achieved very good service life values de-spite the fact that the tested material does not belong to the primary use group. Evaluation of cutting tool wear has a significant economic potential for manufacturing companies seeking to minimize costs by trying to use as many universal cutting tools as possible or looking for opportunities to ex-pand the applications of already used cutting tools.
Keywords: Tool wear, Turning, Cemented Carbide, Austenitic Steel, Indexable Cutting Insert
Grants and funding:
The article was supported by the OP VVV Project Development of new nano and micro coatings on the surface of selected metallic materials - NANOTECH ITI II., Reg. No CZ.02.1.01/0.0/0.0/18_069/0010045
Received: August 1, 2023; Revised: October 14, 2023; Accepted: November 13, 2023; Prepublished online: November 27, 2023; Published: December 22, 2023 Show citation
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