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#1 2017-05-29 11:55:03
- lenne0815
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- Registered: 2017-05-17
- Posts: 38
Lift speed / height calculated accounting for Adhesion forces
Dynamic Speed
{([[LayerNumber]]<=10)*30 + (([[LayerNumber]]>10)*( 30 + 40 / ( 1 + ( 2.718 ** -( 2 - ( 0.0008*[[TotalSolidArea]]) + 2))))) }
Dynamic Lift
{([[LayerNumber]]<=10)*3.5 + ([[LayerNumber]]>10)*(0.8 / (1 + ( 2.718**-(0.0003*[[TotalSolidArea]] - 3))) +2.5) }
tweak to your liking.
To go all out and calculate the retract dynamically aswell use something like this:
GCODE Before Each Layer
G1 Z[[LayerPosition]] F{([[ZSpeed]]*4.3)} P1
Last edited by lenne0815 (2017-05-29 12:37:44)
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#2 2017-05-30 03:50:57
- 1125lbs
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- Registered: 2017-03-15
- Posts: 81
Re: Lift speed / height calculated accounting for Adhesion forces
is 2.718 a jacob's constant?
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#3 2017-05-30 06:56:18
- lenne0815
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- Registered: 2017-05-17
- Posts: 38
Re: Lift speed / height calculated accounting for Adhesion forces
Euler 
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#4 2017-06-08 12:35:37
- adam
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- Registered: 2016-02-18
- Posts: 100
Re: Lift speed / height calculated accounting for Adhesion forces
do you use it? does it work well? 
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#5 2017-06-09 08:43:54
- lenne0815
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- Registered: 2017-05-17
- Posts: 38
Re: Lift speed / height calculated accounting for Adhesion forces
Yes, actually i never used fixed speed / height at all because it makes no sense.
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