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nav111 / heekscnc

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Add 'Material Allowance' to the Contour operation #228

Closed GoogleCodeExporter closed 8 years ago

GoogleCodeExporter commented 8 years ago 
We need to add a 'material allowance' property to the Contour operation.  This 
property would define a length (thickness) so that the operation occurs in two 
passes.  The first is cut extra large (or small) and then the finishing pass 
cuts the 'material allowance' of material for an accurate finished dimension.

I had an idea for this.  The finishing pass might be possible using the ramping 
code such that the gradient of the tool is artificially reduced and the cutting 
depth is set to the final depth.  If the gradient is reduced such that it 
allows one full pass around the connected sketch in one step-down distance.  
This would produce a single spiral movement around the sketch (or back and 
forward for a non-periodic sketch) until the final depth was reached.  It's 
only an idea.  I haven't worked it through.

I'm just adding this issue here so that the idea is not lost.  It's not 
something I am working on right now.

Original issue reported on code.google.com by David.Ni...@gmail.com on 14 Jul 2010 at 3:04

GoogleCodeExporter commented 8 years ago 
no feature requests here, just bug reports for HeeksCNC 1.0

Original comment by danhe...@gmail.com on 24 Mar 2014 at 5:07