Investigation of Drilling Machinability of Compacted Graphite Iron under Dry and Minimum Quantity Lubrication (MQL)
Abstract
:1. Introduction
2. Experimental Setup
3. Results and Discussion
3.1. Tool Wear
3.1.1. Maximum Flank Wear
3.1.2. The Worn Drills
3.2. Scanning Electron Microscope (SEM) and Energy Dispersive Spectrometer (EDS) Results
3.3. Torque and Force
3.3.1. Error Line of Torque and Thrust Force
3.3.2. Cutting Loads
4. Conclusions
Author Contributions
Funding
Acknowledgments
Conflicts of Interest
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Exp. | Workpiece Material | Lubrication Condition | Drill Life |
---|---|---|---|
I | CGI | Dry (no compressed air) | 639 |
II | CGI | Dry (with compressed air) | 2969 |
III | CGI | MQL, 5 mL/h | 2948 |
IV | CGI | MQL, 20 mL/h | 2685 |
V | GI | MQL, 5 mL/h | >3000 |
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Li, Y.; Wu, W. Investigation of Drilling Machinability of Compacted Graphite Iron under Dry and Minimum Quantity Lubrication (MQL). Metals 2019, 9, 1095. https://doi.org/10.3390/met9101095
Li Y, Wu W. Investigation of Drilling Machinability of Compacted Graphite Iron under Dry and Minimum Quantity Lubrication (MQL). Metals. 2019; 9(10):1095. https://doi.org/10.3390/met9101095
Chicago/Turabian StyleLi, Yang, and Wenwu Wu. 2019. "Investigation of Drilling Machinability of Compacted Graphite Iron under Dry and Minimum Quantity Lubrication (MQL)" Metals 9, no. 10: 1095. https://doi.org/10.3390/met9101095