Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Andrzej Krauss"'
Publikováno v:
BioResources, Vol 19, Iss 4, Pp 9234-9248 (2024)
The aim of this study was to determine the effect of average chip thickness and blade wear on the cutting power consumption and surface quality obtained in up-milling wood of different densities. The surface roughness was investigated using the conta
Externí odkaz:
https://doaj.org/article/fd75cc06bb274bad96263a084c4a59fa
Publikováno v:
BioResources, Vol 18, Iss 4, Pp 6784-6801 (2023)
The aim of the conducted experiments was to determine the effect of selected machining parameters on power consumption and surface quality obtained during the milling of beech wood using a computerized numerical control woodworking machine. Surface r
Externí odkaz:
https://doaj.org/article/289f9287eee0421c8a95c47e0f3011cf
Autor:
Magdalena Piernik, Magdalena Woźniak, Grzegorz Pinkowski, Kinga Szentner, Izabela Ratajczak, Andrzej Krauss
Publikováno v:
Materials, Vol 15, Iss 15, p 5425 (2022)
The aim of this study was to assess the effect of the duration of heat treatment on changes in the color, as well as the chemical and mechanical properties of Scots pine sapwood. An important element of the research was to obtain the assumed temperat
Externí odkaz:
https://doaj.org/article/10b9ad768c5940018a9056b046e08f55
Autor:
Magdalena Piernik, Magdalena Woźniak, Grzegorz Pinkowski, Kinga Szentner, Izabela Ratajczak, Andrzej Krauss
Publikováno v:
Materials, Vol 15, Iss 16, p 5776 (2022)
The aim of this study was to determine the dependencies between mechanical properties of modified wood and its color. Within its scope, quantitative changes in color and chemical composition (mass loss, total carbon content, content of extractives an
Externí odkaz:
https://doaj.org/article/a1cb9be128634aa9b0ac0c7d9a28f609
Publikováno v:
Annals of Agricultural and Environmental Medicine, Vol 24, Iss 3, Pp 532-536 (2017)
Introduction A wheelchair is a special vehicle designed specifically for people with walking limitations. One of the types is an active wheelchair. This is a manually propelled wheelchair, the design and structure of which maximise the mobility of it
Externí odkaz:
https://doaj.org/article/56cef533ac2d4eef882098d674561792
Publikováno v:
Drvna Industrija, Vol 67, Iss 3, Pp 215-222 (2016)
The paper presents experimental testing results of cutting power of thermally modified wood of Scots pine (Pinus sylvestris L.) during lengthwise milling. The process of heat treatment was performed in the atmosphere of superheated steam, at temperat
Externí odkaz:
https://doaj.org/article/7b6bb4fe548449b09148b133245c2732
Publikováno v:
BioResources, Vol 11, Iss 4, Pp 9302-9310 (2016)
The effect of spiral grain angle on the cutting power was tested during plane milling of Scots pine wood. It is known that cutting resistance depends on the arrangement of grain in relation to the direction of woodworking operations. In this work, up
Externí odkaz:
https://doaj.org/article/df142bd08bcd4ad7844ab422e69988e4
Publikováno v:
BioResources, Vol 11, Iss 2, Pp 5181-5189 (2016)
The surface roughness in plane milled Scots pine wood that was thermally modified at 190 °C and 220 °C was examined. Indicators of wood surface roughness included the three most commonly applied parameters, arithmetic mean surface roughness (Ra), s
Externí odkaz:
https://doaj.org/article/4c82709aab1b41e2acddb7f5d39914f8
Publikováno v:
BioResources. 13:6952-6962
The article presents research on the effect of the sharpness angle on the quality of machined surface of native wood species (pine, beech, and black locust) and an exotic species called iroko. Four sharpness angle values were analyzed at 25, 40, 45,
Publikováno v:
Annals of agricultural and environmental medicine : AAEM. 18(2)
The chemical and elemental composition of caviuna wood was determined. The elemental composition of the examined wood was similar to the elemental composition of the deciduous tree species of the temperate zone except that it did not contain sulphur.