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Multiple pocket part with possibility of surfacing an angle

Anonymous

Multiple pocket part with possibility of surfacing an angle

Anonymous
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Hello, Iam currently working on a part program. 

I believe I have a good start, so far happy with my results. 

 

I do need to rid of the air cutting in a pocket (upper) since the lower pocket was already machined. I have tried creating boundary's in what I would think confine the tool to a given machining area, with no luck I'am not successful in reducing the air cutting. 

 

At the same time, I would like to surface a lower angle at the lowest pocket point. Iam very new at surfacing, I also do not completely have the concept of what can or cant be surfaced. Still learning many many aspects of this machining method. 

Please take a look at my file. I'm very determined to learn and use these skills. Also, this is a first for me posting a program file, if its not correct give me advice on how to post. 

 

Thank you. 

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Anonymous
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update:

 

I used side cut! I get much more efficient of a tool path finishing the pockets now. 

 

 

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Anonymous
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Hi @Anonymous

 

I´ve took a look at your program. Looks not that bad if you ask me. 

 

-I prefer deactivating "Bi-directional rough" in the strategy tab.

-For the pockets there are more then one way to remove the dead air cutting.

Example: 1. -> rough pass 2 -> like you did, will automatically not cut dead air.

                 2. -> the way you did in your edit

                 3. -> set the amount of the total stock for side operations -> milling tab

                 4. -> using an other stock modell like here: https://forums.autodesk.com/t5/featurecam-forum/different-stock-for-each-setup/td-p/7481845

 

If you need some more help please let me know :cara_sonriente_con_la_boca_abierta:

 

greetings from germany

 

Anonymous
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@Anonymouswrote:

Hi @Anonymous

 

I´ve took a look at your program. Looks not that bad if you ask me. 

 

-I prefer deactivating "Bi-directional rough" in the strategy tab.

-For the pockets there are more then one way to remove the dead air cutting.

Example: 1. -> rough pass 2 -> like you did, will automatically not cut dead air.

                 2. -> the way you did in your edit

                 3. -> set the amount of the total stock for side operations -> milling tab

                 4. -> using an other stock modell like here: https://forums.autodesk.com/t5/featurecam-forum/different-stock-for-each-setup/td-p/7481845

 

If you need some more help please let me know :cara_sonriente_con_la_boca_abierta:

 

greetings from germany

 



Hello @Anonymous,

 

Thank you for your reply, your video examples on the STL files in use are exactly what I seen and followed. Very nice example. 

I am going to post the most recent file I have, Im having troubles forcing a 60 degree x 1/8" chamfer mill feature to cut along a wall. If you can take a look and tell me what you think, thanks in advance. 

 

Good morning from the US Hombre feliz

 

 

 
 
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Anonymous
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Hi @Anonymous

 

first things first:  for your previous question-> you can control the maximum ramp angle at the plunge tab. 

 

 

The chamfer is not that hard to do but I noticed your second pocket finish operation is to deep, so you will destroy the chamfer. Roughing operation was okay ;-D

 

For the tool: Just do it like the 1/4" 90 degree tool :cara_sonriente_con_la_boca_abierta:

 

For the operation: Set the width and depth like you did and control the tool with "chamfer depth" in the milling tab. Maybe you have to create an offset curve (construct -> from curves -> offset) to prevent the tool colliding with the wall. I also noticed a 1/8" tool seems to be to big for the corners but maybe it´s okay for you. Please take a look at this. 

 

Have fun :cara_sonriente_con_la_boca_abierta:

 

 

Anonymous
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@Anonymous

Thats great! 

 

I see my error, when I made the tool geometry to follow maybe the radius in the corners were the issue (tool fitment) not allowing the tool going to the edge of the wall. Nice and simple fix you have shown me. I really appreciate your time. 

Anonymous
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You're welcome :cara_sonriente_con_la_boca_abierta:

You are right, sometimes it's easier than it looks. But remember these sharp corners will only work with no active compensation on. My milling machine with heidenhain iTNT 5xx control can not handle a 90 degree corner (without a corner radius) while active cutter compensation is on. It will give me an error like "tool radius to big" so I have to draw a radius in the geometry that fits my tool diameter...

Feel free to ask if you have some questions left :cara_sonriente_con_la_boca_abierta: