A review on wood machining: characterization, optimization, and monitoring of the sawing process

Nasir, Vahid; Cool, Julie

doi:10.1080/17480272.2018.1465465

Cited by 98 publications

(39 citation statements)

References 116 publications

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“…The damaging effect of wood dust is determined according to the particle size. Larger size fractions tend to settle [17,18], whereas if the particle is smaller (such as below 100 µm), the dust becomes airborne. In the production process, dust is formed that contain particles of various sizes [5].…”

Section: Introductionmentioning

confidence: 99%

Tropical Wood Dusts—Granulometry, Morfology and Ignition Temperature

et al. 2020

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The article considers the granulometric analysis of selected samples of tropical wood dust from cumaru (Dipteryx odorata), padauk (Pterocarpus soyauxii), ebony (Diospyros crassiflora), and marblewood (Marmaroxylon racemosum) using a Makita 9556CR 1400 W grinder and K36 sandpaper, for the purpose of selecting the percentages of the various fractions (<63; 63; 71; 200; 315; 500 μm) of wood dust samples. Tropical wood dust samples were made using a hand orbital sander Makita 9556CR 1400 W, and sized using the automatic mesh vibratory sieve machine Retsch AS 200 control. Most dust particles (between 50–79%) from all wood samples were under 100 μm in size. This higher percentage is associated with the risk of inhaling the dust, causing damage to the respiratory system, and the risk of a dust-air explosive mixture. Results of granulometric fractions contribution of tropical woods sanding dust were similar. Ignition temperature was changed by particle sizes, and decreased with a decrease in particle sizes. We found that marblewood has the highest minimum ignition temperature (400–420 °C), and padauk has the lowest (370–390 °C).

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Section: Introductionmentioning

confidence: 99%

Tropical Wood Dusts—Granulometry, Morfology and Ignition Temperature

et al. 2020

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“…An accurate forecasting of the power demand for the cutting of wood allows optimal choice of the process configuration, including the number of saws and their spacing in frame saws, multi-circulars saws or tandem band saws. This ensures an effective use of machines as well as prevents overloading that can result in the damage of tools or other losses associated with long downtime in the manufacturing process [32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Effect of the Drying Method of Pine and Beech Wood on Fracture Toughness and Shear Yield Stress

et al. 2020

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The modern wood converting processes consists of several stages and material drying belongs to the most influencing future performances of products. The procedure of drying wood is usually realized between subsequent sawing operations, affecting significantly cutting conditions and general properties of material. An alternative methodology for determination of mechanical properties (fracture toughness and shear yield stress) based on cutting process analysis is presented here. Two wood species (pine and beech) representing soft and hard woods were investigated with respect to four diverse drying methods used in industry. Fracture toughness and shear yield stress were determined directly from the cutting power signal that was recorded while frame sawing. An original procedure for compensation of the wood density variation is proposed to generalize mechanical properties of wood and allow direct comparison between species and drying methods. Noticeable differences of fracture toughness and shear yield stress values were found among all drying techniques and for both species, but only for beech wood the differences were statistically significant. These observations provide a new highlight on the understanding of the effect of thermo-hydro modification of wood on mechanical performance of structures. It can be also highly useful to optimize woodworking machines by properly adjusting cutting power requirements.

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“…Climb sawing is required more power than counter sawing in terms of cutting processes. At the same time, HSS blades have more impact on power consumption than HW and DP blades [50][51][52][53][54][55].…”

Section: Machining Conditionsmentioning

confidence: 99%

Ağaç Malzemelerin Daire Testere Makinelerinde İşlenmesinde Testere Geometrisi ve Uygulama Koşullarının Önemi

Çakmak

Malkoçoğlu

2019

Nevşehir Bilim Ve Teknoloji Dergisi

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Daire testere makineleri genellikle bir yüzeyi ve kenarı düzeltilmiş parçaların istenilen ölçü ve açılarda boyutlandırılmasında, levha ölçülendirilmesinde, kanal, kiniş ve birleştirme yeri açılması vb. işlemlerde kullanılmaktadır. Bu amaçla, işlemede testere seçiminin; ürün kalitesi ve verimlilik bakımından çok önemli olduğu ortaya konulabilir. Testere seçimini etkileyen temel faktörler; malzeme yoğunluğu ve rutubeti, kesici uç malzeme tipi ve şekli ile kesme ve kama açısı olarak belirtilebilir. Bu çalışmada, ağaç malzemelerin daire testere makinelerinde işlenmesinde; testere kesici geometrisi ve seçimi ile işlemeyi etkileyen faktörler üzerinde durulmuştur. Aynı zamanda, ölçülendirme işlemlerinde daire testerelerde karşılaşılan sorunlar ve çözüm önerileri belirtilmiştir.

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A review on wood machining: characterization, optimization, and monitoring of the sawing process

Cited by 98 publications

References 116 publications

Tropical Wood Dusts—Granulometry, Morfology and Ignition Temperature

Tropical Wood Dusts—Granulometry, Morfology and Ignition Temperature

Effect of the Drying Method of Pine and Beech Wood on Fracture Toughness and Shear Yield Stress

Ağaç Malzemelerin Daire Testere Makinelerinde İşlenmesinde Testere Geometrisi ve Uygulama Koşullarının Önemi

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