1 Introduction
2 Materials and experimental setup
2.1 Material properties and sample preparation
Unit [%] | Fe | Mn | C | Si | Cu | Cr | Ni | Mo | Other |
---|---|---|---|---|---|---|---|---|---|
SAE1020 | 98.15 | 0.833 | 0.222 | 0.225 | 0.219 | 0.111 | 0.093 | 0.023 | 0.124 |
SAE5140 | 97.2 | 0.742 | 0.420 | 0.211 | 0.151 | 1.04 | 0.082 | 0.039 | 0.115 |
2.2 Cutting edge preparation
2.3 Machining
Unit | SAE1020–SAE5140 | |
---|---|---|
Cutting speed vc | m/min | 60; 120; 180 |
Undeformed chip thickness h | mm | 0.05; 0.1; 0.15 |
Cutting depth ap | mm | 0.3 |
Cutting edge geometry \({\overline{\text{S}}}\) | µm | 35; 75 |
Cutting direction | – | Soft (SAE1020)–hard (SAE5140) |