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Author Topic: BobCAD-CAM Bore depth, limited to 2" ?  (Read 4474 times)

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BobCAD-CAM Bore depth, limited to 2" ?
« on: July 19, 2013, 09:18:57 AM »
I'm having an issue when creating a rough bore toolpath. The geometry is selected 3" deep into the bore but the toolpath will only calculate to 2" deep. Any ideas?

Thanks

Offline BR549

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Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #1 on: July 19, 2013, 04:23:21 PM »
I think that is a BOB CAD/CAM problem.

(;-) TP
Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #2 on: July 19, 2013, 05:05:26 PM »
 :( Bummer. It's frustrating because the finish pass toolpath computes all the way to my desired 3" but the rough does not. And I'm using the rough/finish cut selection which uses the same selected geometry. Maybe I'm switching back to FeatureCam? Is there a recommend CAM program besides FC and BobCAD which is good for ID radius work? I'm cutting the inside radius of turbo compressor housings...

Offline BR549

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Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #3 on: July 19, 2013, 06:32:55 PM »
You may want to ask BOBCAD WHY it does it. It should NOT.

(;-) TP

Offline Graham Waterworth

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Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #4 on: July 21, 2013, 01:21:04 PM »
I sounds as if the tool definition in BOBCAM has a max length of 2"

Without engineers the world stops
Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #5 on: July 21, 2013, 05:36:30 PM »
Yes, I thought of that. However I couldn't find the offset value. I see the offset register selection. Maybe it's just user error. Do you know where I can adjust tool length offset? Thanks

PS: I got everything running and working great using FeatureCam. Once you go through the learning curve with FC, it works very well IMO.

Offline budman68

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Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #6 on: July 22, 2013, 04:50:18 AM »
Yes, I thought of that. However I couldn't find the offset value. I see the offset register selection. Maybe it's just user error. Do you know where I can adjust tool length offset? Thanks



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Re: BobCAD-CAM Bore depth, limited to 2" ?
« Reply #7 on: July 24, 2013, 05:34:17 PM »
Can you define your Tool Holder/Arbour combination to effectively extend the length of the tool and still give appropriate holder/arbour geometry at the top?
I know it's a common workaround when using T-Slot cutters to undercut to define them as a disc cutter on a long holder,
Regards,
Nick

Edit -  I've just defined a 1/2" tool with 1/2" holder and 1/2" arbour with overall length of 5" so this looks like a possible workaround ;-)
« Last Edit: July 24, 2013, 05:50:52 PM by magicniner »