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Z STEPPER ALIGN not working

Posted by Nikki81

Nikki81

Z STEPPER ALIGN not working
August 31, 2021 03:39AM

Registered: 9 years ago
Posts: 198

I have just finished the build of my large corexy machine i am using 4 z motors on a octopus v1.1 and i can not get g34 to align the bed. After running 15+ iterations it always reports decreasing accuracy and never actually aligns the bed. is there a way to make to make sure my motors are in the correct orientation?

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Nikki81

Re: Z STEPPER ALIGN not working
August 31, 2021 12:54PM

Registered: 9 years ago
Posts: 198

Also I am only running 1 extruder on motor 4 (E0) but motor 5 (E1) is not working for the z axis motor and i have had to use motor 6 and 7

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Nikki81

Re: Z STEPPER ALIGN not working
September 03, 2021 07:28AM

Registered: 9 years ago
Posts: 198

please could someone tell me if the driver number relates to the motor eg: driver 1 z1 driver 2 z2 etc ?

Thanks Nikki

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Nikki81

Re: Z STEPPER ALIGN not working
September 03, 2021 08:04AM

Registered: 9 years ago
Posts: 198

my bad I had put the coordinates in firmware wrong

Thanks

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madurani

Re: Z STEPPER ALIGN not working
September 19, 2021 12:44PM

Registered: 2 years ago
Posts: 4

I am building similar coreXY printer managed via board MKS RobinNano V2 with quadruple z-steppers. For me work aling after solving issue fine. After three iterations is accuracy 0.02:

Send: G34
Recv: G34 Iteration: 1
Recv: echo:busy: processing
Recv: Z2-Z1=0.10 Z3-Z2=0.05 Z3-Z1=0.05 Z4-Z3=0.03 Z4-Z2=0.02 Z4-Z1=0.07
Recv: G34 Iteration: 2
Recv: Z2-Z1=0.05 Z3-Z2=0.06 Z3-Z1=0.01 Z4-Z3=0.01 Z4-Z2=0.05 Z4-Z1=0.01
Recv: G34 Iteration: 3
Recv: Z2-Z1=0.01 Z3-Z2=0.01 Z3-Z1=0.02 Z4-Z3=0.01 Z4-Z2=0.00 Z4-Z1=0.01
Recv: Decreasing Accuracy Detected.
Recv: Target accuracy achieved.
Recv: Did 3 of 10
Recv: Accuracy: 0.02