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Marlin code for scissor lift z-axis
I'm trying to figure out where in marlin I might modify the Z axis so that it follows a non-linear path for a scissor lift. The formula is quite simple and thanks to wolfmanjm's help in the IRC...
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I don't think theres a sq() function in C. Also, don't you mean z instead of y? I think it should be something like... float c = z*axis_steps_per_unit[Z-AXIS]; target[Z_AXIS] = lround( sqrt(...
View ArticleRe: Marlin code for scissor lift z-axis
Thanks! That looks pretty good, I couldn't figure out how to plug in the current position of (b) into the code, but that looks like how it should work. I'll test it out later to see if it works. :)
View ArticleRe: Marlin code for scissor lift z-axis
I'm looking into using a lab jack as a z axis on a printer, did anyone have any luck modifying Marlin to compensate for non linear scissor lift mechanics?
View ArticleRe: Marlin code for scissor lift z-axis
Just a thought — it might be better to use a Gcode preprocessor instead. Just modify the coordinates depending on the Z-height.
View ArticleRe: Marlin code for scissor lift z-axis
Has anyone done ? Experiences,.. I will use tabel at [reprap.org] Experience whit g-code solution or firmware change welcome. This bit more comlicate, there must 4 point vompensation done at difrent...
View ArticleRe: Marlin code for scissor lift z-axis
Hi there, I have same plan. To create a scissor bed. I don't know if you had progress in you idea. But maybe I can write a conversor in PHP and put it online. Let me know if you have interest yet. Thanks
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