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Update 1.1.8 to 1.1.9 Auto Bed Lleveling Bilinear Problem

Posted by rsodvd79 
Update 1.1.8 to 1.1.9 Auto Bed Lleveling Bilinear Problem
September 06, 2018 04:12AM
Hi, I have a problem after updating Merlin from version 1.1.8 to version 1.1.9.
I have used the same parameters from the Configuration.h and Configuration_adv.h files of the older version,
but the AUTO_BED_LEVELING_BILINEAR behaves badly with the new firmware.
Homing and axis movements work correctly with the new firmware, the problem occurs when I try the bed leveling, the y axis moves to position 0, but when it has to increase it does not work, it seems that the stepper motor runs in the opposite direction.
My printer is a HICTOP 3DP11 Prusa i3.

In this video we see the behavior of the printer.
[www.youtube.com]

Has anyone encounter the problem or have any advice for me?
Thanks
Re: Update 1.1.8 to 1.1.9 Auto Bed Lleveling Bilinear Problem
September 06, 2018 09:07AM
I too have 3DP11 and a 3DP12 both are upgraded to the max. I have configured Marlin 1.x.x though I stopped flashing controllers at 1.1.5





I noticed it look's like you have a Y-Axis lead screw setup, would be interested in the mount STL's files.

If you post a link to your Configuration.h, Configuration_Adv.h and Pins_Ramps.h I will compare with My Marlin see if I can spot what is causing you problems.

Edited 2 time(s). Last edit at 09/06/2018 09:09AM by Roberts_Clif.


Computer Programmer / Electronics Technician
Re: Update 1.1.8 to 1.1.9 Auto Bed Lleveling Bilinear Problem
September 06, 2018 09:31AM
Thank you,
I enclose the configuration files and the STL files of my y axis (they are not perfect).
Attachments:
open | download - Marlin_1_1_9.zip (46.3 KB)
open | download - Y-Axis lead screw STL.zip (311.6 KB)
Re: Update 1.1.8 to 1.1.9 Auto Bed Lleveling Bilinear Problem
September 06, 2018 09:59AM
#define DEFAULT_MAX_FEEDRATE { 300, 300, 5, 25 }

Y axis looks like it tries to move.
It is possible that 300 is too fast for the Y axis using a lead screw, as a test try lowering it too 100
Re: Update 1.1.8 to 1.1.9 Auto Bed Lleveling Bilinear Problem
September 06, 2018 11:50AM
OK thanks,
I have set
#define DEFAULT_MAX_FEEDRATE {300, 100, 5, 25}
and
#define DEFAULT_MAX_ACCELERATION {1000, 100, 100, 10000}
it seems to work!
I do not understand why with version 1.1.8 everything worked with higher values.
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