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Influence of chain sharpness, tension adjustment and type of electric chainsaw on energy consumption and cross-cutting time
ID
Poje, Anton
(
Author
),
ID
Mihelič, Matevž
(
Author
)
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MD5: 269BF76323D5B00C0B7FE646DDC67347
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https://www.mdpi.com/1999-4907/11/9/1017
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Abstract
Recently, electrical cordless chainsaws were introduced, which provide less harmful working conditions for the operators, and should therefore be deployed as much as possible in all non-professional and professional applications. The low power of the electric engines may result in lower efficiency and higher energy consumption in the case of over-tensioned chains, due to increased friction between the saw and the chain. Therefore, a partial factorial experiment with one factor on three levels (saw type) and two factors on two levels was designed, whereby a wooden beam was cross-cut at two levels of chain sharpness and tension. The time of cross-cutting and energy consumption were controlled. The chain tension does not have a significant effect onto time of cross cutting, or electricity consumption. Both have cross-cutting and energy consumption have been found to differ significantly when comparing the saws used in the experiment. The average efficiency of cross cutting using electrical chainsaws reported is 2.35 times lower than when using petrol powered saws. The lower efficiency is caused by the lower engine power of electrical saws, and lower speed of chain rotation. Energy consumption and time of cross cutting are significantly higher when using a blunt chain, with large differences in time of cross cutting and electricity consumption, making the chain sharpness the most important of all controlled factors. In the study, we did not find evidence that over tensioning of the chain increases the time of cross cutting or energy consumption, however the integration of such systems is recommended because of the worker’s safety.
Language:
English
Keywords:
forestry
,
forest operations
,
wood harvesting
,
electric tools
,
cutting efficiency
,
electric cordless chainsaw
,
cross cutting
,
sharpness
,
energy consumption
,
tension
Work type:
Article
Typology:
1.01 - Original Scientific Article
Organization:
BF - Biotechnical Faculty
Publication status:
Published
Publication version:
Version of Record
Year:
2020
Number of pages:
9 str.
Numbering:
Vol. 11, iss. 9, art. 1017
PID:
20.500.12556/RUL-120633
UDC:
630*3
ISSN on article:
1999-4907
DOI:
10.3390/f11091017
COBISS.SI-ID:
29310467
Publication date in RUL:
23.09.2020
Views:
1168
Downloads:
373
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Record is a part of a journal
Title:
Forests
Shortened title:
Forests
Publisher:
MDPI
ISSN:
1999-4907
COBISS.SI-ID:
3872166
Licences
License:
CC BY 4.0, Creative Commons Attribution 4.0 International
Link:
http://creativecommons.org/licenses/by/4.0/
Description:
This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:
21.09.2020
Secondary language
Language:
Slovenian
Keywords:
gozdarstvo
,
gozdna tehnika
,
sečnja
,
električna orodja
,
učinkovitost prežagovanja
,
električna baterijska motorna žaga
,
nabrušenost verige
,
poraba elektrike
,
napetost verige
Projects
Funder:
Other - Other funder or multiple funders
Funding programme:
Pahernik fundation
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