yann pravi:
> Le lundi 19 avril 2010 16:21:18, Slavko Kocjancic a écrit :
>   
>>  Like instead 2 hour's machining showed in
>> Property dialog the actual time is over 3 hrs. I know that my file has a
>> lot of short segments and machine need to accelerate/decelerate but all
>>     
>
> You pointed it out. This is the problem. 
>
>   
>> that parameters are known to emc so I think it can calculate near
>> perfect time (..until speed override)
>>     
>
> Seems to be not as simple as it looks like.
> There was a big discussion on this a few weeks or months ago. Have a look in 
> the list's archives.
>
>   
I search but not found.

Of course I understand that correct time is hard to calculate.
I assume that presented way is just to calculate G0 lenght's and all 
other (G1,G2,G3.. moves). And just calculated time based on rapid and F 
speeds.
The precise way should assume accelerations/deceleration for each line 
and G64 bledding too. It's not simple but can be done. It's just 
functionality we like. More people want that the bigger chance is to 
someone write that. I think a lot of people wan't to know how long 
machining will last. (or I'm maybe wrong and all just want to make 
finished part)
Sadly the new wasshing machine's have estimate time to the end..... :-X

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