v-minion rattling noise

I just realize watching other people’s videos that my v-minion makes an awful amount of noise, especially a rattling one when homing or mesh calibrating. This is a stock full kit, it’s greased with NLGI-2 lithium grease, there seems not to be any loose screws on the eva (pressed them to test), prints are good so it seems well calibrated… I didn’t use any alignment jig but rails seem to be decently aligned. Oh and I’ve enabled the performance steppers settings. What is going on?
23 Replies
Helge Keck
Helge Keck2y ago
print faster every stepper profile has a goldi lock zone where it isnbt so loud depending on the profile you choosed you need to find this zone jsut try to print a bit faster
metropolitan-bronze
metropolitan-bronze2y ago
I'm printing at 200mm/s, except first layer on PLA which is set lower -- but the problem I'm seeing is the noise when homing & mesh-leveling
Helge Keck
Helge Keck2y ago
change the homeing speed then
metropolitan-bronze
metropolitan-bronze2y ago
I'm nowhere near the smoothness I see in this video https://www.youtube.com/watch?v=RQMcs3vpjSo
The Crazy Bulldog
YouTube
RatRig V-Minion Homing and Bed Mesh
Configurazione personalizzata Home e Bed Mesh
metropolitan-bronze
metropolitan-bronze2y ago
had no idea you could change the homing speed... will try, thx @Helge Keck 🙇‍♂️
Helge Keck
Helge Keck2y ago
[bed_mesh] speed: 300 [z_tilt] speed: 300 [printer] max_z_velocity: 35 play with these values
metropolitan-bronze
metropolitan-bronze2y ago
as we're on it, what speed are you printing PLA?
Helge Keck
Helge Keck2y ago
i dont print PLA
metropolitan-bronze
metropolitan-bronze2y ago
PETG? I'm asking max speed here
Helge Keck
Helge Keck2y ago
500mm/s
metropolitan-bronze
metropolitan-bronze2y ago
holy guacamole
Helge Keck
Helge Keck2y ago
up to with the minon you can print that fast
metropolitan-bronze
metropolitan-bronze2y ago
okay, I'll try to increase all speeds (by order of magnitude, I see)
Helge Keck
Helge Keck2y ago
dont try this at first try you need to do this step by step
metropolitan-bronze
metropolitan-bronze2y ago
config by config, or you mean increase each speed incrementally?
Helge Keck
Helge Keck2y ago
you need also a cooling solution that can handle these speeds and the extruder, hotend, .....
metropolitan-bronze
metropolitan-bronze2y ago
it's the stock LGX Lite + BMO setup
Helge Keck
Helge Keck2y ago
ok, then you cant print that fast
metropolitan-bronze
metropolitan-bronze2y ago
(I know, you're big fan of Orbiter 2.0 + Rapido, just give me time)
Helge Keck
Helge Keck2y ago
no problem, start slowly, the speed comes by its own
metropolitan-bronze
metropolitan-bronze2y ago
I think I've printed at 300mm/s nicely alright, after quite some testing I've boiled it down to
max_z_velocity: 20

[bed_mesh]
speed: 300
probe_count: 5, 3

[probe]
speed: 20
lift_speed: 20.0
sample_retract_dist: 1

[stepper_x]
homing_speed: 80
second_homing_speed: 80
homing_retract_dist: 5

[stepper_y]
homing_speed: 80
second_homing_speed: 80
homing_retract_dist: 5

[gcode_macro RatOS]
variable_macro_z_speed: 20
max_z_velocity: 20

[bed_mesh]
speed: 300
probe_count: 5, 3

[probe]
speed: 20
lift_speed: 20.0
sample_retract_dist: 1

[stepper_x]
homing_speed: 80
second_homing_speed: 80
homing_retract_dist: 5

[stepper_y]
homing_speed: 80
second_homing_speed: 80
homing_retract_dist: 5

[gcode_macro RatOS]
variable_macro_z_speed: 20
metropolitan-bronze
metropolitan-bronze2y ago
metropolitan-bronze
metropolitan-bronze2y ago
quite an improvement in noise and speed also, the 5015 blower fan is the source of rattling -- can't wait to get my delta 4028 I ordered to RR I did put some masking tape on the joint with the duct but still
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