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The effects of tool structure parameters on forming extrusion cutting (FEC)
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Journal Article
The effects of tool structure parameters on forming extrusion cutting (FEC)
2018
Overview
A huge number of metal scraps are produced every year, while the existing recycling methods are featured with disadvantages such as high melting loss, cumbersome processes, or high cost. Instead of reprocessing the chips, forming extrusion cutting (FEC) can turn the cutting-away material directly into finished/semifinished products, which makes this novel process radically different from other available recycling methods, and can avoid their disadvantages. Therefore, FEC has great potential, and the research and improvement of FEC are significant. During the FEC process, several key parameters of the tool including the chip compression ratio
λ
, the rake angle of the cutting tool
α
, and the constraining tool corner radius
r
c
obviously affect the material deformation and forming performance. In this study, effects of these three parameters are investigated by combining the experiment with 3-D finite element simulation. According to the study, the increase of
λ
leads to the decrease of the materials’ deformation degree and the forming properties, and
r
c
shows a positive correlation while
α
shows a negative correlation with the main cutting force respectively. Besides, while
α
varies from 10° to 30°, the samples show steady forming performance. The results indicate that, to obtain a better forming performance during the high-efficiency and low-cost FEC process,
λ
and
r
c
should be set small, while
α
prefers a large value.
Publisher
Springer London,Springer Nature B.V
