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Check the entry helix tab
Could be that the helix is too big to fit into that area..there is an option to plunge or skip pocket if helix won't fit..try making the helix values smaller. Also check XY clearance. Make that number smaller
One thing i have done to isolate open chains is set the options in the chaining dialog box to be open chains only
and put a window around the selection
and it will only pick open and or closed chains
maybe helpful here
close mastercam
Go here and delete these files
C:\Users\user.n ame\Documents\my mcam2019\CONFIG\Mastercam.Workspace
C:\Users\user.n ame\Documents\my mcam2019\CONFIG\mcamx.config
C:\Users\user.n ame\Documents\my mcam2019\CONFIG\mcamxm.config
try restarting mastercam
if you change to number of cuts and set to 4
you will have to gouge check the floor though as it goes right to the bottom of the surface
IHS-parallel to surface.mcam
i think it is because e the curve you have picked is actually under your surface
it "works" for the contour but when you use a surface toolpath it stops when it cannot go past teh green surface
hope that makes sense
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