Examination of tools of different materials edge geometry for MDF milling

Kowaluk, Grzegorz; Szymański, W.; Pałubicki, Bartosz; Beer, P.

doi:10.1007/s00107-008-0302-0

Cited by 25 publications

(18 citation statements)

References 3 publications

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“…Nose width was measured from the top view (Saloni et al 2011), while the edge recession was measured from the clearance face (Kowaluk et al 2009). For each cutting test, measurements were taken after 0, 1, 2, 3,4,5,6,7,8,9,10,15,20,25,30,35, and 40 m feeding lengths from the edge that touched the WFPEC material.…”

Section: Wear Measurementmentioning

confidence: 99%

Tool Wear and Machined Surface Roughness during Wood Flour/Polyethylene Composite Peripheral Up-milling using Cemented Tungsten Carbide Tools

Guo¹,

Ekevad²,

Grönlund³

et al. 2014

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The effect of sharpness angle on tool wear and the effect of tool wear on machined surface roughness were investigated in wood flour/polyethylene composite (WFPEC) peripheral up-milling using cemented tungsten carbide (TC) tools. It was shown that nose width and edge recession increased with increasing feeding length. During the milling process, the wear of the nose width was smallest for the tool with a sharpness angle of 45°, followed by tools with sharpness angles of 55° and 65°. The wear of edge recession was highest for the tool with a sharpness angle of 45°, followed by tools with sharpness angles of 55° and 65°. The nose width increased with increasing sharpness angle, the edge recession decreased with increasing sharpness angle, and the machined surface roughness increased with increasing sharpness angle after a feeding length of 40 m. The nose width had a positive effect on the machined surface roughness, and the machined surface roughness increased with increasing nose width. The edge recession had little effect on the machined surface roughness. The clearance face roughness of the worn tool increased with increasing sharpness angle. The analysis of the SEM micrographs and EDS of the clearance face of the worn tool showed that the wear mechanisms of the cemented tungsten carbide tool were oxidation and abrasion in the range tested during cutting. Thus, a slight wear of the edge recession is gained in exchange for a lower machined surface roughness by decreasing the sharpness angle.

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Section: Wear Measurementmentioning

confidence: 99%

Tool Wear and Machined Surface Roughness during Wood Flour/Polyethylene Composite Peripheral Up-milling using Cemented Tungsten Carbide Tools

Guo¹,

Ekevad²,

Grönlund³

et al. 2014

BioResources

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“…The measuring method of the tool wear was realized according to ISO 3685 [16], ISO 8688 [17] and Kowaluk [5], where the average face (rake) tool wear has been defined in three measuring points, because of the MDF density profile. The measuring points were always at the same positions and carried out with the Mitutoyo microscope and performed with 30 times the magnification (Fig.…”

Section: Tool Wearmentioning

confidence: 99%

“…There has been a lot of research work done in tool wear, influence of the tool properties and parameters in machining MDF (medium-density fibreboard) with conventional woodworking machines that has been taken into consideration when planning robot milling experimental work [3][4][5][6]. In machining with anthropomorphic robots we know very little about the state of the milling tool during the process, the effect of the workpiece position between the robot working area with relation to the tool wear and the characterization of tool wear in general.…”

Section: Introductionmentioning

confidence: 99%

Tool wear in terms of vibration effects in milling medium-density fibreboard with an industrial robot

2014

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Machining with robots represents a promising, highly flexible and cost effective alternative to standard machining and hand labour applications when machining mid tolerance soft material end products. One of the most challenging issues is to know the vibration characteristics in milling with the robots which greatly affect tool life. In general the technological bases of tool life expectancy while milling with robot arms are not available or studied. That`s why the purpose of this paper is to investigate the influence of attained vibrations analysis during the milling process and correlated tool wear. Primarily the study is focused on tool wear according to the distance between the milling position and the robot`s base. Results show that increasing distance between the robot's base and the milling position significantly affects tool wear because of the attained vibrations in proportion to the increasing distance respectively. Tool wear has also proved to be greater in comparison to machining with CNC machine and applicable new information for woodworking industry.

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“…In the simplest setup, optical microscope is used to observe the tool tip. If the microscope is equipped with a camera, it is then possible to capture the image and afterwards to analyze by means of image processing methods (Aknouche et al, 2009;Kowaluk at al., 2009;Lemaster at al., 2000a;Nordström and Bergström, 2001). Putting Vickers indentation marks (or surface scratches) on the observed face as a spatial reference proved to be useful.…”

Section: Direktne Metodementioning

confidence: 99%