Depth cut question

[Jim Whipple]

I have a slot I need to cut in aluminum. I have V8 Mill I. The slot is .064 wide and .1 deep and .35 long. When I pocket with a .062 cutter and ask it to Please only go .02 deep each pass....she don't wanna. It ignores the depth cut field entirely and gos .1 deep. Is there something I'm missing here???? Granted it's a .004 clearance between the cutter and the slot, but I'm not using leadin's. I don't get it

Any help would be great

Thanks

Jim

[TheePres]

Maximun depth of cut set to .02

[Jim Whipple]

quote:

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Maximun depth of cut set to .02

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Correct

I just turned off the finish pass and it spits out depth cuts. I can run it like this but I'd like to know why it does it...

Thanks

Jim

[cadcam]

Jim I tried what you said and left 1 finsh pass at .01 and then at .02 and worked well.

 

You know what would of been good for this would be the Slot mill in V9.

 

Even better slot mill in V9.1 were you could of used a new feater that would of given you cutter comp in there.

 

[ 10-18-2002, 04:24 PM: Message edited by: cadcam ]

[Davidgil]

Jim,

On your Roughing/Finishing parameters page, check to see if the box next to "machine finish passes only at final depth" is checked or not.

Dave

[Scott Bond]

quote:

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Jim,

On your Roughing/Finishing parameters page, check to see if the box next to "machine finish passes only at final depth" is checked or not.

Dave

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quote:

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The slot is .064 wide and .1 deep and .35 long. When I pocket with a .062 cutter

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Hi all,,, this only leaves .001 per side( or less if the cutter is from the library .0625)

Is it possible that because the tool can't fit in the slot until the slot is to size at the finish cut while at the finished depth?

 

[ 10-18-2002, 04:32 PM: Message edited by: Scott Bond ]

[Jim Whipple]

quote:

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Hi all,,, this only leaves .001 per side( or less if the cutter is from the library .0625)

Is it possible that because the tool can't fit in the slot until the slot is to size at the finish cut while at the finished depth?

 

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I'm thinking it's got to be something like that...

Cause I just went in and changed the cutter dia to .062, turned on the finish pass at .001 and she runs justa fine.

Once again, thanks for the help

Jim

[cadcam]

You did not Specifiy if it was the wall or the floor for finish.

 

How about a little more info or detail.

 

JM2c

[K Reed]

Version 9 Contour /ramp might have been of some help. I use it all the time to rough pockets (or slots in this case)very close to the size of the cutter.

Mr Bond has it correct, if you told it to leave .001 stock on the rough passes, It will ignore the roughing cycle and go directly to the finish pass due to the fact that there is only .00075 per side left. I hate that. I wish MC would come up with a stock error in cases like this.

Just my comment.

[cadcam]

Well if I try it with a .001 fin you are right it will not do the second pass but still does the one.

 

So I told it to do a fin at .0007 then it will do both.

 

But it always gives me a path.

 

Over done.

[cadcam]

quote:

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I wish MC would come up with a stock error in cases like this.

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Do you mean beside "Cutter Compensation Not Successful"?

 

I know this not stock but it does give whats wrong.

 

[ 10-18-2002, 05:46 PM: Message edited by: cadcam ]

[Jim Whipple]

quote:

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You did not Specifiy if it was the wall or the floor for finish.

 

How about a little more info or detail.

 

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Sorry...left .001 on the wall

Jim

[Jim Whipple]

this is also related to a question I had about helixing into a hole when the cutter is near the bore size...

I always use Wear comp, leave the XY clearance at .01 or less and have to set the min and max rad quite low...sometimes it won't depth cut like this slot and I was having a little difficulty understanding why. But I think I'm getting a handle on it now.

Thanks all

Jim

[K Reed]

quote:

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Do you mean beside "Cutter Compensation Not Successful"?

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Yes, Like what actually caused the error. "C.C. not successful due to stock , or , due to cutter size"

It would be nice to let the software think for us totally, but that's probably only needed late on a friday evening, when the job has to ship out before you can go home( Or have to go in early on a Sat.)

[cadcam]

quote:

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It would be nice to let the software think for us totally, but that's probably only needed late on a friday evening, when the job has to ship out before you can go home( Or have to go in early on a Sat.)

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Were you reading my mind today.

 

I kept talking to the computer and it would not move.

 

You guys have a great weekend.

[TheePres]

Jay,

I cannot find slot mill where would that be??

[cadcam]

In V9 it is under

toolpaths

Next Menu

Circle paths.

 

later jay

[Jack Mitchell]

Once again, Scott Bond has nailed it.

 

Hey Scott, it really does look good in black on black; you should avoid the green background at any cost.

 

Regards, Jack