Bed temperature after first/ n-th layer?

[jfk]

Hey!

In kisslicer is no way to reduce the bed temperature after the first layer, right?

Regards,
Jan

[Franz Scherz]

Not that I know!

I use a post processor scripted in Python to do it.

If you don't need the the N[*] g-Code macro for anything you can put it there. 

M221 S40 

would switch to 40 degrees after first (and ever other) layer..

[jfk]

N[*] macro sounds like a nice (and dirty) workaround, thanks for the idea!

[funBart]

I think it's possible to do this in Kisslicer directly:

You can use the Gcode field: N* layers:  when putting in that field:

M109 S70 (or what you want / which M command your printer is using)

and setting the field on the Gcode tab  [*]N layers to (for example) "2", it's resulting in a Bed temp change on the 2nd layer. (and on the 4th, 6th etc, but that won't have any effect of course).

Bart

[C-Line]

I use the <MATL> token to set the initial extruder temperature based on my selected material. Is there some way I can automatically reduce that temperature by a fixed amount on subsequent layers? I still don't quite get how N[*] Layers and [*]N Layers works, or the other tokens (like <%>) for that matter.

[Tim Hester]

That does look like it would work. I haven't tried it myself.

Probably will this evening :)

On Wed, Jul 9, 2014 at 1:47 PM, <harmo...@gmail.com> wrote:

Thanks, Tim -- that's very helpful.

I just found this page http://kisslicer.wikia.com/wiki/G-code which leads me to believe I can use:

M109 S<TEMP+5>  ; set extruder temp to Main setting on Material tab + 5 degrees

and then in the N[*] Layers section (with [*]N Layers=1) add:

M109 S<TEMP>

Does that seem like it would work to you?

Regards /James

On Wed, Jul 9, 2014 at 11:40 AM, Tim Hester <timhe...@gmail.com> wrote:

In the materials tab set your layer 1 bed temp. Then in the gcode in the prefix section you'd have something like;
M140 S<BED>; set bed temp 110 (My ABS layer 1 bed temp)
M190 S<BED>; wait for bed temp

Then in the per layer section insert something like this, every 1 layer

M140 S105 ; set bed temp to 105

Note that the layer 1 temp comes from the value you set on the material tab, and the value you use in the per layer gcode is hardcoded.

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