A Damage-Free Machining Method for CFRP Without Feedback Control Systems

A damage-free cutting method called the constant- load feeding method is proposed as a high-precision machining method in carbon-fiber-reinforced plastic (CFRP) cutting. The constant-load feeding method can minimize cutting defects such as burrs and scuffing during diamond-saw cutting. In addition,...

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Bibliographic Details
Published in:International journal of automation technology 2016-05, Vol.10 (3), p.318-323
Main Authors: Kondo, Yasuo, Sakamoto, Satoshi
Format: Article
Language:English
Subjects:
Burrs
Carbon fiber reinforced plastics
Control systems
Cutting force
Cutting resistance
Damage
Diamond machining
Feed rate
Feedback control
Feedback control systems
High speed tool steels
Precision machining
Scuffing
Twist drills
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Summary:A damage-free cutting method called the constant- load feeding method is proposed as a high-precision machining method in carbon-fiber-reinforced plastic (CFRP) cutting. The constant-load feeding method can minimize cutting defects such as burrs and scuffing during diamond-saw cutting. In addition, there was no apparent cutting damage to the cutting surface from drilling with a high-speed steel twist drill. The cutting resistance was kept at a constant value during the entire process. The constant-load feeding can self-regulate the optimal tool feed rate to realize damage-free machining of CFRP composites without any feedback control systems based on the cutting-force.
ISSN:1881-7629
1883-8022
DOI:10.20965/ijat.2016.p0318