Effect of workpiece preheating on tool wear and delamination at the hole exit in high feed drilling of carbon fiber reinforced plastics with diamond-coated tools

被引：15
|
作者：
Kim, Gyuho [1 ]
Kim, Tae-Gon [2 ]
Lee, Seok-Woo [2 ]
Min, Byung-Kwon [1 ]
机构：
[1] Yonsei Univ, Sch Mech Engn, Seoul 03722, South Korea
[2] Korea Inst Ind Technol, Mfg Syst R&D Grp, 89 Yangdaegiro Gil, Cheonan Si 31056, Chungcheongnam, South Korea
来源：
JOURNAL OF MANUFACTURING PROCESSES | 2022年 / 74卷
关键词：
Composite machining; Diamond tool wear; Cutting tools; Thermal effects; THRUST FORCE; COMPOSITES; TEMPERATURE; CFRP; INTERLAMINAR; PERFORMANCE; TOUGHNESS; BEHAVIOR; DAMAGE; LIFE;
D O I：
10.1016/j.jmapro.2021.12.013
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
High feed drilling of carbon fiber reinforced plastics (CFRP) poses a risk of serious tool wear and delamination caused by high drilling thrust force despite improving productivity. However, by taking advantage of the proper thermal softening of the epoxy matrix in CFRP, a decrease in forces related to tool wear and delamination is achievable under high feed. Through this study, thermal softening of epoxy matrix by preheating was effective in reducing thrust force and tool wear in the drilling of CFRP with diamond-coated tools. Hole exit delamination factors decreased by adjusting workpiece temperature to the proper value using a developed preheating system under high feed (0.2 mm/rev).
引用
收藏
页码：233 / 243
页数：11
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