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1-Visitor
April 23, 2012
Question

Roughing cutter width of cut?

  • April 23, 2012
  • 2 replies
  • 4434 views

have a couple of high feed inserted end mills that say I can use up to the full cutter width for cutting, But using the roughing sequence in Pro/Manufacturing will only let you less than half the cutter width for a step over value. anyone have a work around for this issue? I don't know why they would limit you only less than half the cutter.

roughing step over.JPG


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2 replies

12-Amethyst
April 23, 2012

I also dislike this limitation. The only way around it that I have found is using volume roughing

1-Visitor
April 23, 2012

It's like binding 2 legs of a race horse then tell it to go as fast as you can.

As a programmer I try to remove as much material as fast as possible. Then have the machine operator cut the feeds by 50 percent at the machine. Crazy!!

12-Amethyst
April 23, 2012

That i do have a solution for if your machine has it. I found a M code that disables the feed overide switch on our Mori. I usually put it in after the first few passes, the operator has no idea

13-Aquamarine
May 4, 2012

Hello Steve

I often use the roughing sequence and I think that your limitation is due to the fact that you use CONSTANT_LOAD for the OPEN_AREA_SCAN and CLOSED_AREA_SCAN. You can change it to TYPE_SPIRAL or FOLLOW_CONTOUR and you will be able to use more than the tool radius.

I hope this helps you

Olivier COUPAT

12-Amethyst
May 4, 2012

I think this might depend on which version / date code your running.

13-Aquamarine
May 4, 2012

We actually use Creo element Pro 5 datecode M120 but I use this option till Wildifire 3.

Here is the result with end mil of diameter 3 mm and STEP_OVER of 2.5 mm and FOLLOW_CONTOUR type

rough.jpg