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October 4, 2012
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Hi Elliot,
The downward cutters are used to pocket so that there is no splintering on the top surface.
The upward cutters used on the final cut of the panel so that there is no splintering on the bottom surface.
A good nesting tool today has a double cut with the bottom cutting upwards and the upper section cutting downwards.
Here’s a drawing of the tool that we supply with our ready to run CNC configurations:
This cutter can be plunged into the material as the end angle is upwards and will evacuate the waste up.
It can then be moved side ways so that the upper half is cutting downwards and not splintering the upper surface.
When cutting the material the lower cut being upwards will not splinter the bottom and the upper cutters pushing down will not splinter the top surface.
For a single tool CNC this type of cutter could be a good investment.
All the best,
Ness
So i have learnt today that really we should be using 2 types of cutters:
An upwards cutter for the final ‘outline’ cut and a downwards cutter for the ‘pockets’
The downwards cutter shouldnt be ‘plunged’ into the board – so how do i set this in VCarve? is this to do with ‘Raster’ or ‘plunge move angel’
Where as with an upwards cutter you can plunge into the board?
Does this make ring true?
Any advice would be much appreciated 🙂
Regards
Elliot
Hi, please can you advise on what type of cutters we should be using…
We only have a single head cnc machine and want so minimise the cutter changes.
We are setting up for making kitchen and bedroom units with a rafix cam system. So far we are using a 5mm bit for the drilling and a 12mm for pocketing the cams and outlining.
The problem is, should we be using a upwards cutter or a downwards cutter? as the pocketing of the cams i believe needs to be a downwards cutter where i believe the outlining needs to be an upwards cutter – is this correct?
When we are pocketing the 1.5mm for the top of the recess cams its leaving the cut very rough.
The material we are using is MFC from egger
Regards
Elliot
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