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stepper x goes left when stepper z goes up: firmware error or it's ok ?

Posted by marmar70

marmar70

stepper x goes left when stepper z goes up: firmware error or it's ok ?
December 30, 2016 09:50AM

Registered: 7 years ago
Posts: 6

hi,
if i send this command to my prusa i3 clone printer with anet red board:

G90 ;absolute positioning
G28 ; GO HOME
G92 X0 Y0 Z0 E0 ; reset positions
G0 Z200 F9000 ;move Z at 200mm
G0 Z0 F9000 ;move Z a 0 mm
M84 ;steppers off

when z stepper goes up at line 4, the x stepper goes a little at left
it'ok or it's stock firmware error ?
thank you

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obewan

Re: stepper x goes left when stepper z goes up: firmware error or it's ok ?
December 30, 2016 09:58AM

Registered: 7 years ago
Posts: 759

G28 should set X Y Z to 0 so try removing line 3 and test.

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marmar70

Re: stepper x goes left when stepper z goes up: firmware error or it's ok ?
December 30, 2016 03:17PM

Registered: 7 years ago
Posts: 6

thank you for your answer but i've same result.

i've made some test. the issue is only for the first time i use G0 :
for example if i send this command:

G28 ; GO HOME
G0 Z200 F9000

x stepper goes left

if i send this command:

G28 ; GO HOME
G0 Z1 F9000
G0 Z200 F9000

x stepper stay in home position ...

I'll keep it in mind ...