ZHU Meng-nan,TIAN Guang-jun,HU Yong,et al.Effects of Rake Angle and Cutting Depth on Cutting Performance of Wood-Plastic Composites[J].Chinese Journal of Wood Science and Technology,2022,36(05):78-82.
ZHU Meng-nan,TIAN Guang-jun,HU Yong,et al.Effects of Rake Angle and Cutting Depth on Cutting Performance of Wood-Plastic Composites[J].Chinese Journal of Wood Science and Technology,2022,36(05):78-82. DOI: 10.12326/j.2096-9694.2022060.
Effects of Rake Angle and Cutting Depth on Cutting Performance of Wood-Plastic Composites
Two different ratios of wood-plastic composite (WPC) were cut with cemented carbide tools. The ratio of polyethylene and wood powder was at 6∶4 for the material A while 3∶7 for the material B respectively. The effects of tool rake angles (2°, 6°, and 10°) and cutting depth (0.5, 1.0, and 1.5 mm) on WPC cutting force, cutting temperature, and surface roughness were investigated. The results showed that with the rake angle of the tool increased from 2° to 10°, the cutting force, cutting temperature, and surface roughness of material A were reduced respectively by about 41%, 12%, and 17% during finishing process with a cutting depth of 0.5 mm while decreased respectively by about 28%, 21%, and 13% during roughing process with a cutting depth of 1.5 mm. With the cutting depth increased from 0.5 mm to 1.5 mm when the tool rake angle was 2°, the cutting force, cutting temperature, and surface roughness of material A increased by about 55%, 17%, and 26% respectively. The cutting performance of material B was consistent with that of material A. In actual production, it was recommended to increase the cutting depth appropriately in the roughing process to improve production efficiency. However, in the finishing process, it was recommended to increase the rake angle of the tool and select a smaller cutting depth to improve the surface machining quality of WPC.
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