
Low carbon steels Medium carbon steels
(m/min) (m/min)
Product Features
●At low speed, the shape and discharge of the chip deteriorate, causing problems. Tapping Data Tapping conditions [M8 × 1.25]
| Workpiece Material | S50C | |||||
| Hardness | Raw material | |||||
| Bored Hole Shape | Through hole | |||||
| Tapping Length | 1.5D〜 | F-SL | ||||
| Machinery Type | M/C | Can Continue | ||||
| Tapping Direction | Vertical | |||||
| Type of Feed | Synchronous | Competitors PO | ||||
| Tapping Speed | 30m/min l | 500 0 | 1000 | 1500 | 2000 2500 | |
| Cutting Fluid | Water soluble cutting fluid | (Number of ho | les processed. | ) | ||
| Bored Hole Process | Drill | |||||
| Tapped Holes | 2,000 holes |
Recommended speed table
Slow Tapping Speed Fast
| Work piece | 5m/min | 50m/min 30m/min 20m/min 15m/min 10m/min Work piece | ||
| Material | Fully synchronous feed area Material | |||
| Alloy | SCM | SCM | Alloy | |
| Steel | SCr | SCr | Steel | |
| High | High | |||
| Carbon | S45C | F-SL S45C | Carbon | |
| Steel | Steel | |||
| S45C | HDISL S45C | |||
| Medium | Medium | |||
| Carbon | PO | +PO | Carbon | |
| Steel | S30C | S30C | Steel | |
| Low | S25C | S25C | Low | |
| Carbon | Carbon | |||
| Steel | SS400 | SS400 | Steel | |
| 5m/min | 50m/min 30m/min 20m/min 15m/min 10m/min |
The above diagram is for the different materials shown.