期刊
JOURNAL OF MATERIALS PROCESSING TECHNOLOGY
卷 173, 期 2, 页码 166-171出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jmatprotec.2005.05.057
关键词
chip; chip breaker; chip former; chip-breaking index; chip-breaking cycle time; specific cutting energy
This analytical and experimental research deals with the chip-breaking characteristics during turning operations. To assess the chip-breaking characteristics a new parameter called the chip-breaking index, C-B, is developed. This index is defined based on the thickness and length of the broken chip. The shape of broken chip, chip-breaking cycle time and specific cutting energy are appraised to determine the optimum cutting conditions for effective chip-breaking. Properly controlled chips were produced with the C-B values under 0.2. When the C-B values exceeded 0.2, the chips were found to be over-controlled, regardless of the work materials and types of chip former used. (c) 2005 Elsevier B.V. All rights reserved.
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