Development of laser scissors for carbon and silicon carbide fiber cutting

Murotani, Hiroshi; Sakata, H.; Yoshikado, Akira; Wakaki, Moriaki

doi:10.1117/12.618118

Cited by 2 publications

(1 citation statement)

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“…Cutter wear has a major effect on the length/weight of the resulting chopped fibers and it was determined as being primarily influenced by the cutting speed and force. In addition to mechanical severing of the fibers, a number of laser cutting trials were also reported 19 and authors concluded that laser-based severing of carbon fibers is a viable option. Other studies involving mechanical cutting of 1870 tex Twintex comingled glass and polypropylene (PP) fibers were performed in the context of a feasibility assessment of a new process termed TP-P4.…”

Section: Introductionmentioning

confidence: 99%

Instrumented linear cutting device for the analysis of fiber severing process

Adamovsky

Alexander

Kaptur

et al. 2018

Proceedings of the Institution of Mechanical Engineers, Part B:

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In recent years, stringent governmental regulations along with falling carbon fiber prices have pushed high-volume composite manufacturing somewhere at the top of the “to do” list for the majority of carmakers. However, a careful survey of the literature reveals that little is available on the topic of high-throughput severing of the carbon fibers, one of the principal constituents of carbon fiber reinforced polymers. To address this relative paucity of valid scientific information, the major goal of this study was to develop a robust and accurate experimental apparatus capable of establishing correlations between the amount of cutting force developed at the blade/fiber tow/deformable backing interface and various process parameters such as fiber material, tow and backing characteristics, blade geometry/material, and so on. The characteristic cutting force–position curves obtained by means of the developed device suggest that (1) the cutting forces require to cut glass fibers are typically larger (up to 27% observed in this study), (2) softer backings tend to have a positive effect on the fiber severing process both in terms of peak cutting force and total work to cut, and (3) dull blades require either larger severing forces (60 µm blade edge radius was associated with a 21% increase in cutting force) or are simply unable to produce severing of the fibers (80 µm blade edge radius). Future extensions of this work will focus on the determination of systematic correlations between the parameters of fiber severing process.

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Section: Introductionmentioning

confidence: 99%