- Milling of a cone borehole, Millplus
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Hello
I have to mill a cone borehole at a DMU100T (without rotary table). Is it possible?
I have already searched for a possibility to do it but without success. I’ve been working at the machine for a not really long time.
The cone has to be 1:30, diameter 70mm – 67,44mm, 77mm long.
It would be nice if someone could help.
Greetings
Mike
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Well… I’m not really familiar with this topic but there’s a possibility that I would take into account…
(Input elements)
E50=70 (diameter at the top)
E60=67.44 (diameter at the bottom)
E70=77 (height cone)
E80=1 (roughness of the surface 0.05=smooth, 5=rough)
(E80 is depth covering)
(Calculation elements)
E40=(E50-E60)/2
E41=E40/E70*E80
E1=E50/2
E2=E41
E3=E80
E4=E70
E5=E4/E3 (results number of replications)
(Milling)
N1 G0 X0 Y0 Z2
N2 F100
N3 G1 Z0
N4 G41
N5 G61 X=0-E1 Y0 R1 I1=1 I2=0
N6 G3 X=0-E1 Y0 I0 J0
N7 E1=E1-E2
N8 G40
N9 G1 X0 Y0
N10 G91
N11 G1 Z=0-E3
N12 G90
N13 G14 J=E5 N1=4 N2=12
The whole thing is calculated with a 40th milling cutter. Certainly, it can be extended according to your needs. For example, multiple sections (if a smaller cutter is used), helix covering etc.
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I’d like to add something else… Probably, it also can be made with scaling. But I think the solution above is a better one.
- Milling of a cone borehole, Millplus
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