End milling of CF/PEEK under cryogenic conditions - Effects of liquefied carbon dioxide and liquefied nitrogen

Tasuku Higaino; Tojiro Aoyama; Hitoshi Ogawa

End milling of CF/PEEK under cryogenic conditions - Effects of liquefied carbon dioxide and liquefied nitrogen

Tasuku Higaino, Tojiro Aoyama, Hitoshi Ogawa

Vice-President

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

The problems associated with machining CFRTP (carbon fiber reinforced thermoplastics) are short tool life and burrs. In this study, side milling tests are carried out dry and with two types of coolants liquefied carbon dioxide (LCO₂) and liquefied nitrogen (LN₂). The workpiece material is a composite material made of carbon fibers and polyetheretherketon (CF/PEEK) Cutting force, surface integrity and tool wear are evaluated, and the elastic modulus of the CF/PEEK is examined. The use of liquefied nitrogen as a coolant suppresses burrs effectively. There is no significant difference in tool wear between the dry and cryogenic conditions. The finished surface roughness increases with the cutting length, and milling with liquefied nitrogen shows the highest surface roughness. The elastic modulus of CF/PEEK under cryogenic condition is higher than that at room temperature.

Original language	English
Title of host publication	Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015
Publisher	Japan Society of Mechanical Engineers
Publication status	Published - 2015 Oct 18
Event	8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015 - Kyoto, Japan Duration: 2015 Oct 18 → 2015 Oct 22

Other

Other	8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015
Country/Territory	Japan
City	Kyoto
Period	15/10/18 → 15/10/22

Keywords

Burrs
CF/PEEK
CFRTP
Cryogenic machining
Elastic modulus
Liquefied nitrogen

ASJC Scopus subject areas

Industrial and Manufacturing Engineering

Cite this

End milling of CF/PEEK under cryogenic conditions - Effects of liquefied carbon dioxide and liquefied nitrogen. / Higaino, Tasuku; Aoyama, Tojiro; Ogawa, Hitoshi.
Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015. Japan Society of Mechanical Engineers, 2015.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Higaino, T, Aoyama, T & Ogawa, H 2015, End milling of CF/PEEK under cryogenic conditions - Effects of liquefied carbon dioxide and liquefied nitrogen. in Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015. Japan Society of Mechanical Engineers, 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015, Kyoto, Japan, 15/10/18.

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abstract = "The problems associated with machining CFRTP (carbon fiber reinforced thermoplastics) are short tool life and burrs. In this study, side milling tests are carried out dry and with two types of coolants liquefied carbon dioxide (LCO2) and liquefied nitrogen (LN2). The workpiece material is a composite material made of carbon fibers and polyetheretherketon (CF/PEEK) Cutting force, surface integrity and tool wear are evaluated, and the elastic modulus of the CF/PEEK is examined. The use of liquefied nitrogen as a coolant suppresses burrs effectively. There is no significant difference in tool wear between the dry and cryogenic conditions. The finished surface roughness increases with the cutting length, and milling with liquefied nitrogen shows the highest surface roughness. The elastic modulus of CF/PEEK under cryogenic condition is higher than that at room temperature.",

keywords = "Burrs, CF/PEEK, CFRTP, Cryogenic machining, Elastic modulus, Liquefied nitrogen",

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AU - Higaino, Tasuku

AU - Aoyama, Tojiro

AU - Ogawa, Hitoshi

PY - 2015/10/18

Y1 - 2015/10/18

N2 - The problems associated with machining CFRTP (carbon fiber reinforced thermoplastics) are short tool life and burrs. In this study, side milling tests are carried out dry and with two types of coolants liquefied carbon dioxide (LCO2) and liquefied nitrogen (LN2). The workpiece material is a composite material made of carbon fibers and polyetheretherketon (CF/PEEK) Cutting force, surface integrity and tool wear are evaluated, and the elastic modulus of the CF/PEEK is examined. The use of liquefied nitrogen as a coolant suppresses burrs effectively. There is no significant difference in tool wear between the dry and cryogenic conditions. The finished surface roughness increases with the cutting length, and milling with liquefied nitrogen shows the highest surface roughness. The elastic modulus of CF/PEEK under cryogenic condition is higher than that at room temperature.

AB - The problems associated with machining CFRTP (carbon fiber reinforced thermoplastics) are short tool life and burrs. In this study, side milling tests are carried out dry and with two types of coolants liquefied carbon dioxide (LCO2) and liquefied nitrogen (LN2). The workpiece material is a composite material made of carbon fibers and polyetheretherketon (CF/PEEK) Cutting force, surface integrity and tool wear are evaluated, and the elastic modulus of the CF/PEEK is examined. The use of liquefied nitrogen as a coolant suppresses burrs effectively. There is no significant difference in tool wear between the dry and cryogenic conditions. The finished surface roughness increases with the cutting length, and milling with liquefied nitrogen shows the highest surface roughness. The elastic modulus of CF/PEEK under cryogenic condition is higher than that at room temperature.

KW - Burrs

KW - CF/PEEK

KW - CFRTP

KW - Cryogenic machining

KW - Elastic modulus

KW - Liquefied nitrogen

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M3 - Conference contribution

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BT - Proceedings of the 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015

PB - Japan Society of Mechanical Engineers

T2 - 8th International Conference on Leading Edge Manufacturing in 21st Century, LEM 2015

Y2 - 18 October 2015 through 22 October 2015

ER -

End milling of CF/PEEK under cryogenic conditions - Effects of liquefied carbon dioxide and liquefied nitrogen

Abstract

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Keywords

ASJC Scopus subject areas

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