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CAM strategy to cut deep v grooves

CAM strategy to cut deep v grooves

gerry_kmack
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CAM strategy to cut deep v grooves

gerry_kmack
Advocate
Advocate

I need to cut a series of 90 degree V grooves along the length of a blank.  The blank is 1.65" x 1.65" square, 4" long. The grooves need to be ~5/8": wide x 3/8" deep. (I'm cutting wood).  I have attached a picture of a model to show what I am talking about.

 

I plan to use a router bit from Amana - #RC-1102  - here's a link to it:

 

http://www.toolstoday.com/p-5671-cnc-v-groove-miter-fold-signmaking-router-bits-with-solid-carbide-i...

 

I have been able to model the design, but can't figure out how to set it up with CAM. The cut is pretty deep, so it obviously has to be made in multiple passes.It would be really nice if I could gradually reduce the depth of cut as the v cutter gets deeper into the groove

 

The blank is mounted via 5C collet attached lengthwise to a 4th axis rotary table, so I need to able to control the toolpath to avoid collisions with the holder. I have tried just about every CAM method, but can't seem to find one that gives me the control that is needed.

 

Any ideas?

 

Gerry

 

 

 

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Steinwerks
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Try Trace, separate extension moves, axial offset passes.
Neal Stein

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