@dc42 said in Wire guage for smart effector v2:

@Uzi3L 24awg might be marginal but 22awg or thicker should be OK.

ok thanks. i has some silicone coated 22awg. just got to find and buy some new connectors.

Cheers

@dc42 So if i read that link right (not sure i did, lol but heres hoping.) the wires could be a 22 or 24 awg?

@dc42 said in Wire guage for smart effector v2:

@Uzi3L then that's a little over 2A heater current. Use an online table such as https://www.engineeringtoolbox.com/wire-gauges-d_419.html to find the minimum suitable wire gauge.

Than you, will do.

@dc42 the heater cartridges are 24V50W

@dc42 Hi thanks for reply.
its 24v system,is that what you ment?

the psu is 24v, the mini 5+ is set to 24v
and i have 24v heater, bed and fans

Re: Cant calibrate good first layer.

Ok so i need to re-wire the smart effector from my mini 5+ wifi.
Its the black 2x3 plug, the one that has that hotend heating wires need to be replaced the first owner put what looks like 14 or 12 guage wire on it so its very stiff, this has caused it to weaken the connection to the pin in the plug.
im just wondering if i can use a wire, either the same type (braided) as the heater cartridge ones that come with the heater cartridges, or the same thickness but sillican coated?

this printer is a Anycubic Predator, so distance is about 1mtr to 1.5 mtrs...

So far not been able to test the last suggested change, found that the black 6 wire connector on the smart effector has a lose connection and it broke off, so i have ordered replacment ones and have to wait to put new one on as it seems like one or two others are just holding on. hope that maybe (dont know how) is part of the problem.

@achrn said in Cant calibrate good first layer.:

@Uzi3L said in Cant calibrate good first layer.:

This is what changes i made, will report back.

G28 ;Home
G32 ;auto calibraation
G29 S1 : Load heightmap

Note this will just reload a previous heightmap, unless your bed.g includes a G29 at the end to do the mesh bed compensation probing.

If you make it G29 S0 (or just G29) the printer will home, then do the calibration probing, then do teh mesh bed compensation probing every time. I prefer to do that with a relatively coarse probing grid every time rather than re-use a previous bed mesh. Even if you redo a fine bed mesh probe every time it doesn't add much to the overall print time.

Ok ill give that a try as the cure start code i posted did not help.

i also did one just to update everything. and after thjis is what my console says. does it look ok?

3/6/2023, 10:12:32 PM	m500
3/6/2023, 10:12:29 PM	G29
249 points probed, min error -0.147, max error 0.095, mean -0.037, deviation 0.044
Height map saved to file 0:/sys/heightmap.csv
3/6/2023, 10:06:56 PM	G32
Calibrated 9 factors using 16 points, (mean, deviation) before (0.015, 0.044) after (0.000, 0.023)

@Phaedrux said in Cant calibrate good first layer.:

Your slicer start gcode shows you're only homing the towers before starting the print. I suggest you modify the slicer gcode to use G32 instead of just G28. That will call bed.g which will home the towers and do a delta calibration, then you can add G29 S1 after the G32 to load the heightmap. I think that should solve your problem. Right now you're not taking advantage of the calibration or heightmap.

This is what changes i made, will report back.

G21 ;metric values
G90 ;absolute positioning
M107 ;start with the fan off
G28 ;Home
G32 ;auto calibraation
G29 S1 : Load heightmap
T0; tool zero
G1 Z15.0 F1000;short move
G92 E0 ;zero the extruded length
G1 F200 E3 ;extrude 3mm of feed stock adjust so I don't have to remove any filament
G92 E0 ;zero the extruded length again
G1 F4000 ;move to bed
;Put printing message on LCD screen
;M117 Printing...
;G5; this is in order to resume on Power failure (only works on SD prints)

@Phaedrux said in Cant calibrate good first layer.:

Your slicer start gcode shows you're only homing the towers before starting the print. I suggest you modify the slicer gcode to use G32 instead of just G28. That will call bed.g which will home the towers and do a delta calibration, then you can add G29 S1 after the G32 to load the heightmap. I think that should solve your problem. Right now you're not taking advantage of the calibration or heightmap.

Ok thanks i will try your suggestions, fingers crossed.