Product Description
Model No.:SG7210-3D-300
Warranty: 1.5 years
Place of Origin:Beijing, China
Brand Name:SINO-GALVO
Condition:New
Applicable Industries:Manufacturing Plant, Retail, Laser Industry
Certificate:CE/ISO/ROHS
Signal:Digital
Application:3D Laser Marking
Laser Type:Fiber Laser
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Advantages of triaxial scanning galvanometer
The development of the three-axis scanning galvanometer is due to the cost and size limitations of the output lens and the beam aperture limitation of the two-axis scanning galvanometer. This limitation hinders the function of generating smaller light spots in the middle scanning range. The three-axis scanning galvanometer meets the customer's application requirements for large-scale processing ranges of small spots and allows users to use the same scanning galvanometer to change the working distance, range and spot size. Three-axis technology is also suitable for dynamic applications for moving targets, because in three-dimensional applications, the corresponding laser equipment can process non-planar parts or matte surfaces and high-power products. These solutions are now used for frequencies nd: yag, diodes, and co2 lasers.
SG7210-3D-300 Motors & Drive board technical parameters
Motor Specification
Working Temperature | 0℃-45℃ |
Linearity | 99.9% |
Setting Time | ≤0.3ms |
Scale Drift | ＜40PPM/℃ |
Zero Drift | ＜15μRad./℃ |
Long-term Drift over 8 hours | ＜0.5mRad. |
RMS Current | 2.0A |
Peak Current | 15A |
Maximum Scan Angle | ±15° |
Storage Temperature | -10 to +60℃ |
Resolution | 12μRad. |
Repeatability | 8μRad. |
Input Aperture | 10mm |
Beam Displacement | 13.4mm |
Motor Weight | 220g |
Frequency | ≤1200Hz |
Serve Driver Board Specification
Input Voltage | ±24VDC |
Interface Signals | Digital XY2-100 |
Position Signal Input Resistance | 1KΩ±1% |
Position Signal Input Scale Factor | 0.33V/° |
Position Signal Output Scale Factor | 0.33V/° |
Working Temperature | 0℃-45℃ |
Dimension(L×W×H) | 75×50×28mm |
Function description
When the three-axis scanning galvanometer works, the laser beam first enters the moving lens. After passing through the moving lens, the beam quickly disperses until it enters one or two focusing lenses. The converging beam now passes through the lens and is guided by a set of x and y lenses, which are moved by the galvo scanner. The x and y lenses are aligned at right angles and direct the light beam down to cover the length and width of the working range.
In a scanning galvanometer without focus correction, when the laser spot focused in the center of the working range is moved to any axial direction, an arc will be drawn to create a spherical surface above the working range. Far from the center of the working range, the laser beam is not focused. This is because when the scanner directs the light beam away from the center of the working range, the distance from the lens to the workpiece increases.
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