AF7220 Auto focusing galvo scanner head system
- High speed and stability motor than AF7106S
- Adjust to the default focus height automatically, improving the operation efficiency.
- Include the Auto focusing control board and software
- Top integrated button is optional
AF7220 Auto focusing galvo scanner head system
- High speed and stability motor than AF7106S
- Adjust to the default focus height automatically, improving the operation efficiency.
- Include the Auto focusing control board and software
- Top integrated button is optional
Product Features
Technical Parameters
Product Features
Features of Galvo scanner Head
Auto focusing module sensor (installed in the galvanometer housing), it consists follows:- Ranging module – to measure the distance between galvo scanner and final object
- Stepping motor – adjusting galvo scanner height
- Stepper motor driver
- Control board – Control the operation of the entire autofocus system
- Keys – include up, down, start key

Technical Parameters
| Auto-focusing Control Parameters | |
| Distance measuring | Laser measure distance |
| Measuring Range (2 types optional) | 120~280mm/200~600mm |
| Measurement Resolution | 0.01mm |
| Measurement Accuracy | ±0.1~0.4mm |
| Laser Wavelength | 620-690nm |
| Single Measure Time | 0.25 second |
| Speed | |
| Marking Speed(1) | 10000mm/s |
| Positioning Speed(1) | 18000mm/s |
| Writing Speed(2) | 559cps |
| Step Response Time(1% of full scale) | 260μs |
| Step Response Time(10% of full scale) | 830μs |
| Tracking Error Time | ≤144μs |
| Precision and Error | |
| Linearity | 99.90% |
| Repeatability (RMS) | <8μRad |
| Gain Error | <5mRad |
| Zero Offset | <5mRad |
| Long-term Drift Over 8 Hours | <0.5mRad |
| Scale Drift | <40PPM/℃ |
| Zero Drift | <15μRad/℃ |
| Power and Signal | |
| Input Voltage | ±15VDC |
| Rated Current | 2A |
| Interface Signal (Digital) | XY2-100 |
| Mechanical Scan Angle (3) | ±11° |
| Working Current, Temperature, Dimension | |
| Working Temperature | 0℃–45℃ |
| Storage Temperature | -10℃–60℃ |
| Aperture | 10mm |
| Galvanometer Scanner Dimension (LxWxH) | 118.5×96.5×97.7mm |
| Galvanometer Scanner Weight | ≈1.75Kg |
Note: The above data are tested after 30 min warm-up
(1)With F-theta objective, F=160mm, marking 2mm height single character
(2) With F-theta objective, F=160mm, marking 1mm height single character per second
(3) The factory default value is ±11°. Other special requirement could be customized.



