Manufacturing Technology 2020, 20(6):834-844 | DOI: 10.21062/mft.2020.111

Possibilities of modification of ploughshares used for winter maintenance of forest roads

Miroslava Ťavodová1, Monika Vargová1, Ladislav Falat2
1 Faculty of Technology, Technical University in Zvolen, Študentská 26, 960 01 Zvolen. Slovak Republic
2 Slovak Academy of Sciences Košice, Institute of Materials Research, Watsonova 47, 040 01 Košice. Slovak Republic

The article presents partial results of research to increase the service life of snow ploughshares, which are used for winter maintenance of forest transport roads. The main working tool of vehicles - snow plough is the arrow ploughshare. It is made as a weldment. The contact tool, when in contact with the road, is the rake blade, which is subject to abrasive wear. The experiment consisted of analysing the current state of materials, designing and exploring such options that would ensure a longer ser-vice life of the blades. Welding material was designed to be applied to the base material of the blade. Furthermore, the HARDOX 450 was designed for the production of the whole ploughshare. The last design was welding HARDOX 450 with an electrode OK 48.00 with the base material steel 11 484. This proposal is presented in more detail in the article. The hardness of HBW, HV and HRC was measured on the samples and microscopic analysis was performed using light and electron microsco-py. The aim was to determine the quality of the connection of materials, mixing in the connection zone and comparison with the condition on the original blade. It is assumed that a suitable choice of welding electrode or a suitable choice of abrasion-resistant steel can achieve an effective increase in the life of the snow plougshare, whether from a technical or economic point of view.

Keywords: Snow ploughshare, Wear, Hardness, Forest roads, HARDOX 450
Grants and funding:

APVV-16-0194 “Research on Impact of Innovation in Production Processes on the Life of Tooling and Components of Forest Mechanisms.”

Received: August 17, 2020; Revised: November 23, 2020; Accepted: December 2, 2020; Prepublished online: December 11, 2020; Published: December 23, 2020  Show citation

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Ťavodová M, Vargová M, Falat L. Possibilities of modification of ploughshares used for winter maintenance of forest roads. Manufacturing Technology. 2020;20(6):834-844. doi: 10.21062/mft.2020.111.
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