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G75 Setting in siemens 840d controller

Solution Partner Innovator Solution Partner Innovator
Solution Partner Innovator

Hi

 

machine controller is siemens 840d.

I am configuring the G75 Code block.
However, it moves in the G75 code block with the additional offset by the length of the tool length.
 
simulation.jpg
 
Tool length is 75.
In the current MCF, G75 is set as follows.
MCF.jpg
 
How do I set Z to go to zero?

 

5 REPLIES 5

Re: G75 Setting in siemens 840d controller

Experimenter
Experimenter

Try to cancel tool length compensation adding D0 to first move along Z axis.

 

Re: G75 Setting in siemens 840d controller

Solution Partner Phenom Solution Partner Phenom
Solution Partner Phenom

No,no,no. Don't use D0.

 

Just add

 

ActivateTransformation

"$TOOL"

FALSE

FALSE

Re: G75 Setting in siemens 840d controller

Solution Partner Phenom Solution Partner Phenom
Solution Partner Phenom

I little bit surprised G75 code, usually for Siemens G53, G153, SUPA

 

Re: G75 Setting in siemens 840d controller

Siemens Phenom Siemens Phenom
Siemens Phenom

Hi,

 

maybe you´re implementation is not finished yet... but what I see in XML doesn´t reflect the command as it is described in S840D manual.

https://support.industry.siemens.com/cs/mdm/109760800?c=97087371019&t=1&s=G75&lc=en-WW

 

Keep also in mind that we have a method 'GMe_ActivateAllTransformations' to (de-)activate all transformations . You can find it in Siemens840D.CCF

 

Thomas

 

 

Re: G75 Setting in siemens 840d controller

Siemens Phenom Siemens Phenom
Siemens Phenom

To disable the tool length for the single NC block Chigishev's suggestion is the way to go.

 

Overall we implemented the whole G75 differently in a CSE session.

Please see attached slides.

 

Thomas Schulz
Siemens PLM
Manufacturing Engineering Software

Learn online





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