Height scan

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Workpiece: [Probing] [Height map]
Machine: [Laser tools] [Coordinate systems] [DIY Control] [Camera] [Process automation]
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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:

• Check: External depth sensor

 

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