Height scan


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Workpiece: [Probing] [Height map]
Machine: [Laser tools] [Coordinate systems] [DIY Control] [Camera]
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With surface scan the surface of a workpiece can be probed in Z direction and a height-map can be created.
A height map can be loaded, saved and exported as a bitmap and in stl, obj and x3d format.

Area to scan:

  • Lower left point: work coordinates of lower left point, with "Use actual Pos." the actual work coordinates will be inserted.
  • Edge length: the length and width of the area to scan. If changed, the "Upper right point" will be corrected.
  • Upper right point: work coordinate of upper right point, with "Use actual Pos." the actual work coordinates will be inserted. "Edge length" will be corrected.
  • Grid size: distance between probing positions.
     
  • Generate Height Map: starts the scan process.
  • Apply Height Map: applies the current height map to the already loaded G-Code: Z values of the height-map will be added to the G-Code.

Probing:

  • Select movement speed between probing positions and feedrate if G1 is selected
  • Choose between regular probing via Z axis or Z.value from DIY-Control interface

Using Z axis (regular Probing):

  • Max depth: max. distance to move down, where to expect contact with workpiece.
  • Save height: Z position, when moving from one probing coordinate to the next.
  • Probing speed: feedrate for the probing command (Z axis).

From DIY Control:

 

Result manipulation:

  • set max. value = 0.0: after the scan an offset can be applied to all z-values to get a maximum value of 0.0.
  • Z Offset: offset all z values of the height map with an individual value.
  • Z Zoom: multiply all z values of the height map with the given value.
  • Invert Z: changes the sign of all z values of the height map.
  • Z Cut off: sets all z values below given value to given value.
  • Generate G-Code: create G-Code to 'reproduce' height map.

 

Output:

The Gcode to move to the probing positions will be shown here.

 

 

 

 

Getting the height map of a coin, using the probe input

 

 

 

 

 

 

Height map exported as OBJ format and imported in windows 3D-Viewer.

 

 

 

 

 

 

 

Height map zoomed in Z by factor 10, then exported as OBJ format and imported in windows 3D-Viewer.

 

 

 

 

 

 

 

Getting the height map of a plaster face, using an external depth sensor

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