DAVID SLS-1, Getting Started Manual

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Preparation
Preparation Preparation
Preparation
Setup
Setup Setup
Setup
Before connecting the devices, adapt the whole scanner setup to the size of the object or surface region you
want to scan.
The intersection angle between projection and camera view should be around 20°-25° (max. 15°-35°).
The following table should give you some indications for an optimal setup:
Size of scan object / Size of scan object / Size of scan object / Size of scan object /
surface region
surface region surface region
surface region ssss
Calibration Calibration Calibration Calibration
pattern
pattern pattern
pattern
Lens distance Lens distance Lens distance Lens distance b bb b
between camera between camera between camera between camera
and projector
and projector and projector
and projector
Distance Distance Distance Distance d dd d
between scanner between scanner between scanner between scanner
and object
and object and object
and object
Achievable scan Achievable scan Achievable scan Achievable scan
resolution (approx. resolution (approx. resolution (approx. resolution (approx.
0.2% of object size)
0.2% of object size) 0.2% of object size)
0.2% of object size)
<30 mm
<30 mm <30 mm
<30 mm 30 mm ca. 30 mm ca. 90 mm < 0.1 mm
50 mm 50 mm 50 mm 50 mm 60 mm ca. 40 mm ca. 120 mm ca. 0.1 mm
70 mm
70 mm 70 mm
70 mm 60 mm ca. 65 mm ca. 180 mm ca. 0.15 mm
90 mm 90 mm 90 mm 90 mm 120 mm ca. 80 mm ca. 220 mm ca. 0.2 mm
120 mm 120 mm 120 mm 120 mm 120 mm ca. 110 mm ca. 300 mm ca. 0.25 mm
150 mm
150 mm 150 mm
150 mm 120 mm ca. 125 mm ca. 350 mm ca. 0.3 mm
200 mm 200 mm 200 mm 200 mm 240 mm ca. 160 mm ca. 450 mm ca. 0.4 mm
300 mm 300 mm 300 mm 300 mm 240 mm ca. 250 mm ca. 700 mm ca. 0.6 mm
500 mm
500 mm 500 mm
500 mm 240 mm ca. 400 mm ca. 1200 mm ca. 1.0 mm
in general in general in general in general similar to object angle 20°-25°
between them
object should fill
camera image
ca. 0.2% of object size
The camera can be mounted left or right of the projector – depending on how a suitable distance between
their lenses can be achieved. The DAVID software also supports a vertical setup, with camera and projector
above each other.
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