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Metal removal rate

Hi ,

Is it possible to get this parameter with Nx ?

Thanks
@mkn
12 REPLIES

Re: Metal removal rate

What you mean? Volume oа removal metal for each motion?

Re: Metal removal rate

Yes for each motion, i would like to know :
Q=(ap*ae*Vf)/1000
Q=(cm3/min)
and if it is possible to get volume too
@mkn

Re: Metal removal rate

I think - impossible....

Re: Metal removal rate

Sad News . I am sure that this would be possible, NX has all the information to get this parameters . Nx has a function to optimize the feedrates. i think , nx uses this parameters to modify feedrates
@mkn
Solution
Solution
Accepted by MarkRief (VIP)
‎06-27-2016 12:51 PM

Re: Metal removal rate

[ Edited ]

This is possible in NX CAM using the Optimize Feedrate command. 

Internally, we calculate the volume and MRR for each length interval, and use this to adjust the feed to get a more constant MRR.

 

If you want to see the data, temporarily set a variable to point to a .csv file like this (shown as a comment - remove the # from the second line to activate it) :

# Save material removal rate to file
# UGII_CAM_WRITE_MRR="d:\users\rief\nx10\mrr.csv"

Now optimize the feedrate for an operation.

Open the file in excel, and you can make cool graphs like this to show the effect of optimize feedrate:

MRR before and after.jpg

Set this variable only when you need to capture this data, as it generates lots of data and will slow down the process. 

Mark Rief
Retired Siemens

Re: Metal removal rate


MarkRief wrote:

 

If you want to see the data, temporarily set a variable to point to a .csv file like this:

# Save material removal rate to file
# UGII_CAM_WRITE_MRR="d:\users\rief\nx10\mrr.csv"

 


Guessing...

To save the data you'll have to remove the "#" from the line "# UGII_CAM_WRITE_MRR=..."

Normally you would want it commented out (as shown)

Ken Akerboom Sr CAx Systems Engr, Moog, Inc.
Production: NX10.0.3.5 MP5 + patch/TC11.2
I'd rather be e-steemed than e-diseaseled


Re: Metal removal rate


Ken_A wrote:

MarkRief wrote:

 

If you want to see the data, temporarily set a variable to point to a .csv file like this:

# Save material removal rate to file
# UGII_CAM_WRITE_MRR="d:\users\rief\nx10\mrr.csv"

 


Guessing...

To save the data you'll have to remove the "#" from the line "# UGII_CAM_WRITE_MRR=..."

Normally you would want it commented out (as shown)


Good guess @Ken_A! This definition is from my ugii_env.dat file, and is shown commented with "#".

When I want to use it, I remove the #.

 

As you might imagine, I have dozens of these, and this is an easy way to set them when needed. 

Mark Rief
Retired Siemens

Re: Metal removal rate

Thanks Mark 😉
@mkn

Re: Metal removal rate

Another question:
Instead of activating or deactivating this variable. is it possible to obtain this information by API ?
@mkn

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