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Machining properties of thermally modified beech- wood compared to steamed beech-wood


Beljo Lučić, Ružica; Čavlović, Ankica; Đukić, Igor; Jug, Matija; Ištvanić, Josip; Škaljić, Nedim
Machining properties of thermally modified beech- wood compared to steamed beech-wood // Woodworking technique / Goglia, Vlado ; Barcik, Štefan (ur.).
Zagreb: Šumarski fakultet Sveučilišta u Zagrebu, 2009. str. 313-322 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)


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Naslov
Machining properties of thermally modified beech- wood compared to steamed beech-wood

Autori
Beljo Lučić, Ružica ; Čavlović, Ankica ; Đukić, Igor ; Jug, Matija ; Ištvanić, Josip ; Škaljić, Nedim

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Woodworking technique / Goglia, Vlado ; Barcik, Štefan - Zagreb : Šumarski fakultet Sveučilišta u Zagrebu, 2009, 313-322

ISBN
978-953-292-009-3

Skup
3rd International Scientific Conference Woodworking technique

Mjesto i datum
Zalesina, Hrvatska, 02-05.09. 2009

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
wood planing; chips size distribution; steamed and thermally modified beech-wood; power requirements; noise emission

Sažetak
The objective of this paper was to determine and compare machining properties of thermally modified and steamed beech-wood (Fagus silvatica L.). Analysis was made of the influence of feed speed, rake angle and wood treatment on chips properties (particle size distribution, bulk density and factor of looseness), machining power and noise emission. Research was carried out during planing of radial and semi-radial boards at four different feed speeds (vf1= 6 m/min, vf2 = 12 m/min, vf3 = 18 m/min and vf4 = 24 m/min) and three rake angles (γ 1 = 15°, γ 2 = 20° and γ 3 = 25°). Under all processing conditions, more chipping was recorded of thermally modified beech-wood than of steamed beech-wood. In these researches, the influence of feed speed on particle size distribution of produced chips is not unambiguous and it depends on the rake angle. Higher influence of feed speed on the size of chipped particles was recorded in processing steam beech-wood than in processing thermally modified beech-wood. Due to higher share of smaller particles, bulk density of chips produced in processing thermally modified beech- wood was two to three times higher than the bulk density of chips produced in processing steam beech-wood. When planing thermally modified beech- wood, up to 40 % lower power requirements were measured than in planing steam beech-wood. The increase of rake angle affects significantly the decrease of power requirements. The level of noise emission changes proportionally with the change of power requirements.

Izvorni jezik
Engleski

Znanstvena područja
Drvna tehnologija



POVEZANOST RADA


Projekti:
068-0682094-2095 - Optimiranje energijskih i ergonomskih čimbenika mehaničke obrade drva (Ozana Čavlović, Anka, MZOS ) ( POIROT)

Ustanove:
Šumarski fakultet, Zagreb

Citiraj ovu publikaciju

Beljo Lučić, Ružica; Čavlović, Ankica; Đukić, Igor; Jug, Matija; Ištvanić, Josip; Škaljić, Nedim
Machining properties of thermally modified beech- wood compared to steamed beech-wood // Woodworking technique / Goglia, Vlado ; Barcik, Štefan (ur.).
Zagreb: Šumarski fakultet Sveučilišta u Zagrebu, 2009. str. 313-322 (predavanje, međunarodna recenzija, cjeloviti rad (in extenso), znanstveni)
Beljo Lučić, R., Čavlović, A., Đukić, I., Jug, M., Ištvanić, J. & Škaljić, N. (2009) Machining properties of thermally modified beech- wood compared to steamed beech-wood. U: Goglia, V. & Barcik, Š. (ur.)Woodworking technique.
@article{article, year = {2009}, pages = {313-322}, keywords = {wood planing, chips size distribution, steamed and thermally modified beech-wood, power requirements, noise emission}, isbn = {978-953-292-009-3}, title = {Machining properties of thermally modified beech- wood compared to steamed beech-wood}, keyword = {wood planing, chips size distribution, steamed and thermally modified beech-wood, power requirements, noise emission}, publisher = {\v{S}umarski fakultet Sveu\v{c}ili\v{s}ta u Zagrebu}, publisherplace = {Zalesina, Hrvatska} }




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