Bondtech LGX ACE User manual

QUICK START GUIDE
LGX® ACE on the
Elegoo Neptune 3 Pro

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QUICK START GUIDE
For the LGX® ACE on the Elegoo Neptune 3 Pro
Position 0
Load or unload filament
without pressure from
the drivegears.
CONNECTION
Do not connect a LGX® stepper motor to a printer’s cable without checking the wires and pins of the connection cable. Not all printers
are ready for a direct connection with the LGX®. Some use stepper drivers with no protection and this may damage them.
Position 2
For semi-flexible
materials
Shore hardness of ~95A
or when you need more
grip on rigid materials.
Position 4
For soft materials
Shore hardness
between 75 and 85A.
Position 1
For rigid materials.
Position 3
For flexible materials
Shore hardness
between 85 and 95A.
Position 5
For very soft materials
Shore hardness
between 60 and 75A.
Before connecting a LGX® to any 3D printer check if the
connector pins are wired as shown below:
After start of service, if the LGX® is turning in the wrong direction,
swap the top (or bottom) pair of wires to make a correction:

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VREF
0.750 volts
This is measured between the
driver trimpot and PSU ground.
The factory value is 1.25 volts.
Tuning the VREF
MACHINE CONFIGURATION
For the LGX ACE to work on the Neptune 3 Pro you need to
adjust a couple of settings regarding the extruder system.
E steps/mm
400
This is set by using the Settings.gcode
file or with the following gcode sent
in pronterface:
M92 E400 ; set esteps
M500 ; save esteps
rotation_distance
8
This is set in your [extruder] section in your cfg in Klipper
rotation_distance: 8
#gear_ratio: #not used
KLIPPER CONFIGURATION
Below we have listed the common Klipper parameters for
use with Creality Sonic pad or similar setups.
DOWNLOADS
We recommend using our tuned profiles for high quality and
reliability.
You can download these profiles for PrusaSlicer here:
LGX_ACE_Elegoo_PLA.ini.zip PLA with LGX ACE
LGX_ACE_Elegoo_FLEX.ini.zip FLEX with LGX ACE
lgx-16.gcode For setting esteps
RETRACTION SETTINGS
When using the factory profiles, change the retraction
parameters. For larger nozzles than 0.40 mm you may need
to add length to this.
0.4mm nozzle 35 mm/s, 0.5 mm length
0.6mm nozzle 35 mm/s, 0.7 mm length
QUICK START GUIDE
For the LGX® ACE on the Elegoo Neptune 3 Pro

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QUICK START GUIDE
For the LGX® ACE on the Elegoo Neptune 3 Pro
TAKE GOOD CARE OF IT
Every 6 months, or sooner if you have a higher than 15h per week average usage, perform the following maintenance operations:
1. With a tooth brush and alcohol:
a. Clean the needle bearings
2. With a fine brush and lubricant
a. Lubricate the needle bearings
3. With compressed air
a. Blow the housing plastic parts to remove dust and dirt particles
HOW TO GET HELP
We are available to help you with any questions or issues you may have. Simply go to our website where you can access our
customer support and send us your questions or follow the provided link:
https://www.bondtech.se/contact/#tab_technical-support-requests

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