Laser drill machine for LCD back light module uses linear motor stage for high precision positioning and galvo scanner to drill thousands of half concave hole on the LCD back light panel.
| ITEM | X axis (up) | Yaxis(down) | Z axis | |
| Stroke | Effective (mm) | 310 | 310 | |
| Maximal (mm) | 320 | 320 | ||
| Resolution (um) | 0.1 | 0.1 | ||
| Straightness (um) | <1 | <1 | ||
| Flatness (um) | <5 | <5 | ||
| XYZ squareness (um) | <3 | |||
| Repeatability (um) | +/- 0.2 | +/- 0.2 | ||
| Accuracy (um)
(after laser calibration) |
< 1 | < 1 | ||
| Maximal speed (m/sec) | 1.8 | 1.8 | ||
| Maximal Acc. (G) | 2 | 2 | ||
- The up axis and down axis are stacked with a very low profile design. The distance between working surface of up axis and linear guide mounting surface of down axis is only 100 mm.
- Wide span design of down axis together with driven by dual linear motors eliminates resonance in yaw direction due to gravity center change of up axis.
- The stage employees a bottom base made of cast iron to absorb vibration.
- Ultra-low cogging force linear motors are employed.