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首页> 外文会议>International Symposium on Selected Processes at the Wood Processing >Heat Transfer During Pressing of 3 D Moulded Veneer Plywood Composite Materials
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Heat Transfer During Pressing of 3 D Moulded Veneer Plywood Composite Materials

机译：压制3D模压胶合板胶合板复合材料过程中的传热

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The paper deals with the research into the heat transfer during high temperature pressing of 3 D moulded veneer plywood consisting of seven plies. Plywood was being pressed at two temperatures (110°C and 120°C), whereby the impact of the pressing temperature on the speed of heat transfer across the surface and through the mass of the pressed material was evaluated. Following the experiment the optimum pressing time was determined. Attention was paid also to the evaluation of impact of temperature on selected mechanical and physical properties of plywood. Following properties were evaluated: bending strength, modulus of elasticity in bending, compression degree and density. Results indicate that higher pressing temperature decreases the pressing time by 23,7 s representing a 7.3% time saving. In addition, higher pressing temperature increases slightly the bending strength (by 7.5%) as well as modulus of elasticity in bending (by 11.8%).
机译：本文涉及在高温下压制3D模压胶合板中的传热研究，该胶合板组成的七层。在两个温度（110°C和120°C）的温度下压制胶合板，从而评价压制温度对表面和通过压制材料质量的热传递速度的影响。在实验之后，确定最佳按压时间。还要注意对温度的影响对胶合板的选定机械和物理性质的影响。评估以下性质：弯曲强度，弯曲，压缩度和密度的弹性模量。结果表明，较高的压制温度降低了23,7秒的按压时间，表示7.3％的节省时间。此外，较高的压制温度略微增加弯曲强度（乘以7.5％）以及弯曲的弹性模量（通过11.8％）。

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