Backlash problem - DDCSV2.1 - Standalone CNC Motion Controller - Digital Dream Technology support
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Backlash problem

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Landlord
Posted at 2019-2-22 19:46:10 | Only Author Replies reward |Positive sequence Browse |Read mode
I fully realise that backlash does not work in manual, however it is supposed to work in auto.
To set up backlash I did the following -
In manual X- a bit X+ a bit Y- a bit Y+ a bit. Zero Controller Zero DRO. In auto run the program TestBL.nc which comprises
g0 x20
y20
x0
y0

When complete my DRO shows X at +.085 and Y at +.2  these therefore are my backlash values.
I enter them in the parameters and enable backlash
I then go through the same manual sequence and DRO and controller set zeros
Then I run the program
When complete my DRO shows X at 0.0 and Y at +0.2

I have powered down and tried this a number of times with the same result that Y backlash is not being accomodated but X backlash is!
I have also played with speeds and accelerations to ensure that I am not losing steps.

This together with the Probing problem makes me a bit p**d off!

Any comments?
Richard





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Sofa
 Author| Posted at 2019-2-28 22:55:50 | Only Author
I believe I have now sorted the problem and have backlash working
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