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Article

Performance of Small-Scale Sawmilling Operations: A Case Study on Time Consumption, Productivity and Main Ergonomics for a Manually Driven Bandsaw

1
Department of Forest Engineering, Forest Management Planning and Terrestrial Measurements, Faculty of Silviculture and Forest Engineering, Transilvania University of Brasov, Şirul Beethoven 1, 500123 Brasov, Romania
2
Department of AGRARIA, Mediterranean University of Reggio Calabria, Feo di Vito snc, 89122 Reggio Calabria, Italy
*
Author to whom correspondence should be addressed.
Academic Editors: Grzegorz Trzciński, Paweł Kozakiewicz and Angela Lo Monaco
Forests 2021, 12(6), 810; https://doi.org/10.3390/f12060810
Received: 30 April 2021 / Revised: 10 June 2021 / Accepted: 16 June 2021 / Published: 19 June 2021
Sawmilling operations represent one of the most important phases of the wood supply chain, because they connect the conversion flow of raw materials into finite products. In order to maintain a high volume of processed wood, sawmills usually adopt different processing strategies in terms of equipment and methods, which can increase the value or volume of the lumber produced from logs. In this study, the performance of small-scale sawmilling operations was monitored, whilst also evaluating the exposure of workers to harmful factors. An assessment of time consumption, productivity, and main ergonomics was conducted during the use of a manually driven bandsaw. In addition, the exposure to noise was investigated to complement the knowledge in this regard. The results indicated a rather high time utilization in productive tasks, which may come at the expense of exposure to noise and to poor working postures. The modelling approach resulted in statistically significant time consumption models for different phases (blade adjustment, effective sawing, returning, unloading lumber, and loading and fixing lumber). The exposure to noise was close to 92 dB (A) (8 h) and, therefore, the level of emitted noise is likely to depend on the condition of the used blades, species sawn and on the dimensional characteristics of the logs. In terms of ergonomic risks, the poorest postures were those related to tasks such as moving the logs, loading the logs, fixing the logs, rotating and removing the logs, as well as unloading the lumber. View Full-Text
Keywords: wood technology; yield; sawmill; lumber production; safety wood technology; yield; sawmill; lumber production; safety
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MDPI and ACS Style

Borz, S.A.; Oghnoum, M.; Marcu, M.V.; Lorincz, A.; Proto, A.R. Performance of Small-Scale Sawmilling Operations: A Case Study on Time Consumption, Productivity and Main Ergonomics for a Manually Driven Bandsaw. Forests 2021, 12, 810. https://doi.org/10.3390/f12060810

AMA Style

Borz SA, Oghnoum M, Marcu MV, Lorincz A, Proto AR. Performance of Small-Scale Sawmilling Operations: A Case Study on Time Consumption, Productivity and Main Ergonomics for a Manually Driven Bandsaw. Forests. 2021; 12(6):810. https://doi.org/10.3390/f12060810

Chicago/Turabian Style

Borz, Stelian A., Maryam Oghnoum, Marina V. Marcu, Arpad Lorincz, and Andrea R. Proto. 2021. "Performance of Small-Scale Sawmilling Operations: A Case Study on Time Consumption, Productivity and Main Ergonomics for a Manually Driven Bandsaw" Forests 12, no. 6: 810. https://doi.org/10.3390/f12060810

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