Communications - Scientific Letters of the University of Zilina 2026, 28(2):B73-B81 | DOI: 10.26552/com.C.2026.025

Development and Research of Special Excavator Buckets for Mining Oil-Bituminous Rocks

Yerbol Kaliyev ORCID...1, Shynbolat Tynybekov ORCID...2, Rashida Duisen ORCID...2, Abish Torgayev ORCID...1, Nurbol Kamzanov ORCID...2, Kazyna Ashim ORCID...3, Rustem Kozbagarov ORCID...1, *
1 Mukhametzhan Tynyshbayev ALT University, Almaty, Republic of Kazakhstan
2 Satbayev University, Almaty, Republic of Kazakhstan
3 Nazarbayev Intellectual Schools of Chemistry and Biology, Almaty, Republic of Kazakhstan

Given the shortage of petroleum bitumen in the Republic of Kazakhstan, the use of local bitumen-containing rocks is becoming increasingly relevant, which requires the development of specialized mechanization tools. In this paper are discussed the special excavator buckets designed for year-round extraction of rocks with a bitumen content of up to 25%. The design features of the bucket that reduce resistance during digging and unloading are described. Calculations of resistance, chip thickness, operation duration, and productivity of the EO-4121 excavator at different temperatures and bitumen contents were performed. It is shown that unloading becomes more difficult when the bitumen content exceeds 18.2%. A comparison of the calculated and experimental data confirmed the high accuracy of the models used.

Keywords: excavator, bucket, bitumen, productivity, rocks
Grants and funding:

The authors received no financial support for the research, authorship and/or publication of this article.

Conflicts of interest:

The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

Received: January 5, 2026; Accepted: April 10, 2026; Prepublished online: April 20, 2026; Published: April 24, 2026  Show citation

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Kaliyev, Y., Tynybekov, S., Duisen, R., Torgayev, A., Kamzanov, N., Ashim, K., & Kozbagarov, R. (2026). Development and Research of Special Excavator Buckets for Mining Oil-Bituminous Rocks. Communications - Scientific Letters of the University of Zilina, 28(2), B73-81. doi: 10.26552/com.C.2026.025
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