A dynamic measurement of a disc chipper cutting forces

Abdallah, Rami A.; Auchet, Sébastien; Méausoone, Pierre Jean

doi:10.1016/j.biombioe.2014.02.033

Cited by 9 publications

(6 citation statements)

References 7 publications

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“…The result also established that the critical cutting line speed observed is 50 m/s. speed from 20 to 50 m/s significantly decreased the cutting force [9,17]. However, when the cutting line speed exceeded 50 m/s, the cutting force increased with the increase of the cutting line speed.…”

Section: Cutting Force Experimentsmentioning

confidence: 86%

“…Decreasing the feed per tooth was associated with a lower material removal rate (MRR) of sample resulting in lower cutting force [20,21]. Thus, enhancing cutting line speed from 20 to 50 m/s significantly decreased the cutting force [9,17]. However, when the cutting line speed exceeded 50 m/s, the cutting force increased with the increase of the cutting line speed.…”

Section: Cutting Force Experimentsmentioning

confidence: 99%

“…Moradpour et al stated that the cutting force decreased when the cutting speed increased [9]. Abdallah et al showed that the cutting force decreases with the increase of cutting speed [17]. Ghahraei et al showed that the rotary cutting speed had a significant effect on the cutting torque, and the cutting torque was reduced by 26.3% when the cutting speed was increased from 308 rpm to 788 rpm [18].…”

Section: Introductionmentioning

confidence: 99%

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Influencing Factors of Cutting Force for Apple Tree Branch Pruning

et al. 2022

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Apple, which occupies the first position in the world with regard to its yield, is an important economic crop in China. Pruning of apple trees is still dominated by manual pruning, resulting in high labor costs and low efficiency. Additionally, there are some limitations with pruning machines. Thus, research regarding the mechanical properties of apple branches is the basis for the designing proper pruning machine. This paper aims to study the effect of the feed rate, cutting line speed, branch diameter, and moisture content on the cutting force. Results revealed that cutting force depended on the feed rate, cutting line speed, and branch diameter. Furthermore, both the cutting line speed and the branch diameter had a significant effect on the cutting force (p < 0.01), while the feed rate had a small effect on the cutting force (p > 0.05). However, the moisture content had no effect on the cutting force, with a difference of cutting force between samples with moisture content of 15% and 50% less than 5%. Based on the experiments performed, an equation relating the feed rate, the cutting line speed, the branch diameter was derived to calculate the cutting force. By verification test, it established that regression equation was valid with error less than 4%. This study explored the mechanical properties of apple branch, and obtained the optimal cutting parameters, which can provide a reference for the design of the pruning machine.

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Section: Cutting Force Experimentsmentioning

confidence: 86%

Section: Cutting Force Experimentsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influencing Factors of Cutting Force for Apple Tree Branch Pruning

et al. 2022

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“…Huang J et al [22] explored the effects of forward speed, cutting speed and chain convey speed on cutting efficiency using the central composite design theory, and carried out multiobjective optimization based on response indicators. Abdallah R et al [23] selected different cutting angles and wedge angles for chipping tests on fir and concluded that the effect of chipping angle on chipping force was nonlinear. Esgici R. [24] selected wedge angle, knife type and branch diameter as independent variables and relied on these parameters to investigate their effects on cutting force, cutting intensity and cutting energy.…”

Section: Introductionmentioning

confidence: 99%

Analysis and Experiment of Cutting Mechanical Parameters for Caragana korshinskii (C.k.) Branches

Gao

Kang

Kan

et al. 2021

Forests

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In order to investigate the cutting mechanical characteristics of Caragana Korshinskii (C.K.) branches and explore the optimal combination of cutting parameters to support the subsequent equipment development, this paper explores the relationship between branch diameter D, average cutting speed v, wedge angle β, slip cutting angle α, cutting height h, cutting gap t, moisture content M and peak cutting force by using a homemade swing-cut branch cutting test bench with peak cutting force of branches as the target value under unsupported and supported cutting methods, respectively, through single-factor tests. Based on the single-factor test, v, β, α and t were selected as the test factors, and a multi-factor test was conducted with the peak cutting force as the target. Test result: The best combination of unsupported cutting in the range of multi-factor test is v for 3.315 m·s−1, β for 20°, α for 20°, when the peak cutting force is 95.690 N. Supported cutting multi-factor test range to get the best combination of v for 3.36 m·s−1, β for 20°, α for 20°, t for 1.38 mm, when the peak cutting force is 53.082 N. The errors of the predicted peak cutting force and the measured peak cutting force of the obtained model were 1.3% and 3.9%, respectively, which prove that the cutting parameters were optimized reliably. This research can provide a theoretical basis for subsequent development the C.K. harvesting equipment.

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“…Woodchip size distribution is affected by dimensional inaccuracies in the woodchipper, feeding speed, geometry of the cutting tool and the properties of the chipped material [1,2].…”

Section: Introductionmentioning

confidence: 99%

Effect of Torsional Vibration on Woodchip Size Distribution

Kaššay¹

2018

SJSUT.ST

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Nowadays, there is increasing demand for the use of renewable energy sources such as woodchips. One of the important qualitative parameters of woodchips is the size distribution. The aim of this article is to determine the effect of a woodchipper disc's torsional vibration on the evenness of woodchip length, as well as propose a mathematical solution to this problem by assuming one harmonic component of disc speed and the uniform feed of chipped material. The presented mathematical solution can be used to determine the unevenness of woodchip length when the parameters of torsional vibration are known.

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A dynamic measurement of a disc chipper cutting forces

Cited by 9 publications

References 7 publications

Influencing Factors of Cutting Force for Apple Tree Branch Pruning

Influencing Factors of Cutting Force for Apple Tree Branch Pruning

Analysis and Experiment of Cutting Mechanical Parameters for Caragana korshinskii (C.k.) Branches

Effect of Torsional Vibration on Woodchip Size Distribution

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