Proposal of a tilted helical milling technique for high-quality hole drilling of CFRP: analysis of hole surface finish

Wang, Qiang1,2; Wu, Yongbo1,3; Li, Yaguo4; Lu, Dong1,3; Bitoh, Teruo5

2019-03

10.1007/s00170-018-2995-5

INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY   影响因子和分区

0268-3768

1433-3015

An innovative machining process, i.e., tilted helical milling (THM), was proposed previously by the authors for high-quality hole drilling of CFRP as an alternative technique to conventional helical milling (CHM). To further develop the THM technique, hole surface finish with THM is analyzed and compared to that finished with CHM in this article. Theoretical analysis results show that a large amount of fiber bending and fiber-matrix debinding in CHM will occur in the hole surface when instantaneous fiber cutting angle lies in the range of 90 degrees to 180 degrees due to the tool pushing. This phenomenon can be mitigated in THM owing to a downward cutting force component along the hole axis, which makes fibers fracture easily. The theoretical analysis results are confirmed by CT scans and SEM results of surface morphology of holes, indicating THM is useful for obtaining high-quality hole surface finish. In addition, compared with CHM, damage generation, such as entrance split and exit delamination of the hole, can be restrained with THM technique.

CFRP Helical milling Tilted helical milling Surface finish Fiber fracture Burrs

SCI ; EI

英语

第一 ; 通讯

Shenzhen knowledge innovation plan[J20180097]

Automation & Control Systems ; Engineering

Automation & Control Systems ; Engineering, Manufacturing

WOS:000461051300075

SPRINGER LONDON LTD

20184606074102

Carbon fiber reinforced plastics ; Computerized tomography ; Fibers ; Finishing ; Infill drilling ; Milling (machining)

Oil Field Production Operations:511.1 ; Machining Operations:604.2 ; Computer Applications:723.5 ; Coating Techniques:813.1 ; Polymer Products:817.1 ; Quality Assurance and Control:913.3 ; Materials Science:951

ENGINEERING

Web of Science

1.Southern Univ Sci & Technol, Dept Mech & Energy Engn, Shenzhen 518055, Guangdong, Peoples R China
2.Wuhan Univ, Sch Power & Mech Engn, Wuhan 430072, Hubei, Peoples R China
3.Nanchang Hangkong Univ, Sch Aeronaut & Mfg Engn, Nanchang 330063, Jiangxi, Peoples R China
4.Fine Opt Engn Res Ctr, Chengdu 610041, Sichuan, Peoples R China
5.Akita Prefectural Univ, Dept Machine Intelligence & Syst Engn, Yurihonjo, Akita 0150055, Japan

Wang, Qiang,Wu, Yongbo,Li, Yaguo,et al. Proposal of a tilted helical milling technique for high-quality hole drilling of CFRP: analysis of hole surface finish[J]. INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,2019,101(1-4):1041-1049.

Wang, Qiang,Wu, Yongbo,Li, Yaguo,Lu, Dong,&Bitoh, Teruo.(2019).Proposal of a tilted helical milling technique for high-quality hole drilling of CFRP: analysis of hole surface finish.INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY,101(1-4),1041-1049.

Wang, Qiang,et al."Proposal of a tilted helical milling technique for high-quality hole drilling of CFRP: analysis of hole surface finish".INTERNATIONAL JOURNAL OF ADVANCED MANUFACTURING TECHNOLOGY 101.1-4(2019):1041-1049.