Abstract
This paper presents a new analytical model for 2-D machining involving a cyclic chip formation process due to chip breaking. This model includes a chip/work contact force at the free-end of the curled chip which contributes to the development of a bending moment in the chip. Chip breaking occurs when the bending moment and the corresponding chip strain reach maximum. The model provides a predictive capability for forces acting on the chip, bending moment, chip thickness, chip velocity, tool-chip contact length, shear angle, friction angle, etc. for a given set of input conditions such as the work material, cutting conditions, tool rake angle and chip-work friction conditions. Oxley's machining theory was used for predicting the work material shear flow stress at the shear plane. The present work provides a deeper insight into the chip breaking process in machining.
| Original language | English |
|---|---|
| Pages (from-to) | 53-58 |
| Number of pages | 6 |
| Journal | CIRP Annals - Manufacturing Technology |
| Volume | 45 |
| Issue number | 1 |
| DOIs | |
| State | Published - 1996 |
Bibliographical note
Funding Information:The authors gratefully acknowledge Dr. P. Mathew, University of New South Wales, Australia, for providing the predicted initial process variables from Professor P. L. B. Oxley's theory [18]. Research support provided by the Center for Robotics and Manufacturing Systems at the University of Kentucky for this project is also acknowledged by the authors.
Keywords
- Chip Breaking
- Machining
- Predictive Model
ASJC Scopus subject areas
- Mechanical Engineering
- Industrial and Manufacturing Engineering