Tool Temperature and Cutting Forces during the Machining of Particleboard and Solid Wood

Ratnasinga, J.; Pew, T. `Ng; Ramasamy, Geetha

doi:10.3923/jas.2010.2881.2886

Cited by 18 publications

(10 citation statements)

References 9 publications

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“…The effect of tool temperature during the process of cutting on the tool life was studied by many authors. Some of them dealt with the issue experimentally, others analytically or numerically e.g., [21][22][23][24][25][26]. They found out that the tool temperature is affected by various parameters "of the cutting process" including the tool material, tool quality, tool wear, type of milling cutter used, thickness of the removed layer, feed rate, cutting speed, direction of milling [27][28][29], wedge angle and sharpening angle [30].…”

Section: Introductionmentioning

confidence: 99%

Methodology of Temperature Monitoring in the Process of CNC Machining of Solid Wood

et al. 2018

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The issue of the change in tool temperature as a result of the machining process is presented in this paper. The aim of the paper is to put forward a proposal and subsequently to verify the methodology of temperature monitoring in the process of computer numerical control (CNC) machining in real time. Subsequently, the data can be used in the process of adaptive machine-tool control. Experiments were used to determine whether the research method is appropriate. Oak, beech and spruce wood turning blanks with the thickness of 20 mm were machined using a 5-axis CNC machining centre. A temperature change observation resulting from the changes in parameters of the removed layer was used to test whether the research method is relevant. Parameters of the removed layer were affected by the changes in feed rate in the range from 1 ÷ 5 m·min−1 in the removed layer (1–5 mm) or in wood species used in the experiment. As emerges from the proposed methodology, it is possible to monitor the changes in tool temperature responding to minimal changes in technological parameters on a relatively small size of a milled surface quite accurately. Sensitivity to given changes in technological parameters as well as the importance of the methodology was proven.

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Section: Introductionmentioning

confidence: 99%

Methodology of Temperature Monitoring in the Process of CNC Machining of Solid Wood

et al. 2018

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“…Some results follow the experiments of other authors. The use of a thermocouple with a diameter wire d = 0.125 to 0.15 mm was applied [23][24][25]. Measurement of the temperature of a circular saw blade body with an infrared thermometer is mentioned by the authors of [26][27][28][29][30][31][32][33][34].…”

Section: Introductionmentioning

confidence: 99%

Reducing the Energy Consumption of Circular Saws in the Cutting Process of Plywood

et al. 2022

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Cutting, as the most widely used machining process, is applied in both primary and secondary wood processing. Optimum cutting conditions that result in the high quality of the machined surface and low energy consumption are crucial for wood processing. The effects of the feed speed, cutting speed and average chip thickness on the energy consumption and surface temperature of a circular saw blade during the cutting process of two types of plywood with a thickness of h = 14 mm is described in this paper. In experimental measurements, two circular saw blades with cutting tungsten carbide inserts for wood were used as tools. One circular saw blade was standard, and was not surface treated (CSB1), and second circular saw blade (CSB2) differed by the powder coating surface and the length of the cutting edge. In the experiment, the energy consumption and the surface temperature of the circular saw blade was measured in order to find the optimal cutting conditions for the most energy-efficient cutting process. The results show that the cutting power and the surface temperature of the circular saw blade increased when the feed speed increased. The investigated values of the surface-treated circular saw blade were lower compared to the values of the standard circular saw blade. When comparing the lightweight plywood with the classic plywood, experimentally obtained cutting power values of the circular saw were made 19% lower on average by using the circular saw blade CSB1. When using the CSB2 circular saw blade, these values of the cutting power of the circular saw were 22% lower on average. The surface temperature of the circular saw blade is the highest on the outer edge (tooth root area 31.7 °C) and decreases towards the center of the circular saw blade. There must be a reasonable compromise between machine productivity and energy consumption.

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“…When closer to industrial PB cutting speeds were used (around 24 m/s) [ 23 ], the vibrations of the workpiece and holder forced researchers to apply low-pass filtering, which distorted and decreased the force signal. Cutting forces were also measured for a turning operation of PB; however, this operation is not used industrially [ 24 ]. Again, all cutting speeds utilized by the authors were below 30 m/s.…”

Section: Introductionmentioning

confidence: 99%

Cutting Forces in Peripheral Up-Milling of Particleboard

Pałubicki

2021

Materials

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An analysis of forces acting in the peripheral up-milling of particleboard is presented. First, a novel method of high-frequency piezoelectric force signal treatment is proposed and used to separate the original force signal from the vibrations of the previous cutting iteration. This allows for the analysis of single chip cutting force courses during industrial CNC (Computer Numerical Control) milling. The acting forces are compared with the theoretical, instantaneous, uncut chip thickness. The results show that, for a range of 40–60 m/s, the higher the cutting speed used, the higher the resultant and principal cutting forces. The method of cutting thrust force used was similar to that observed in solid wood milling, i.e., first using a pushing action, followed by a pulling action. The obtained average specific principal cutting forces for particleboard peripheral up-milling are equal to 32.0 N/mm2 for slow and 37.6 N/mm2 for fast milling. The specific cutting thrust force decreases with the increase in instantaneous uncut chip thickness.

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Tool Temperature and Cutting Forces during the Machining of Particleboard and Solid Wood

Cited by 18 publications

References 9 publications

Methodology of Temperature Monitoring in the Process of CNC Machining of Solid Wood

Methodology of Temperature Monitoring in the Process of CNC Machining of Solid Wood

Reducing the Energy Consumption of Circular Saws in the Cutting Process of Plywood

Cutting Forces in Peripheral Up-Milling of Particleboard

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