weird behavior on Z homing

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28 Nov 2012 04:15 #27016 by BigJohnT
Replied by BigJohnT on topic weird behavior on Z homing
Here you go...

John
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The following user(s) said Thank You: Psykhon

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28 Nov 2012 04:59 - 28 Nov 2012 05:05 #27018 by Psykhon
Replied by Psykhon on topic weird behavior on Z homing
I see that you dont use a 20% increase in maxvel over Max_Acceleration as usually adviced

Edit: Just saw yo do this but had all values on INI
Last edit: 28 Nov 2012 05:05 by Psykhon.

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28 Nov 2012 05:10 - 28 Nov 2012 05:11 #27020 by Psykhon
Replied by Psykhon on topic weird behavior on Z homing
why is acceleration that much higher that max velocity? what is the pourpose on this?
I mean, in your plasma config BigJhon
Last edit: 28 Nov 2012 05:11 by Psykhon.

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28 Nov 2012 05:35 #27021 by Psykhon
Replied by Psykhon on topic weird behavior on Z homing
WOW!, just figured all out, now it reaches 472IPM on Y before it stalls, A M A Z I N G

Thanks a LOT to BigJhon and PCW!!!

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28 Nov 2012 06:44 #27024 by BigJohnT
Replied by BigJohnT on topic weird behavior on Z homing
Acceleration is usually 10 - 20 times max velocity I've found.

John

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28 Nov 2012 08:31 #27028 by Psykhon
Replied by Psykhon on topic weird behavior on Z homing

Acceleration is usually 10 - 20 times max velocity I've found.

John

any idea why? got me very confused :side:

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28 Nov 2012 08:45 #27029 by BigJohnT
Replied by BigJohnT on topic weird behavior on Z homing
I think that works out to be a good ratio to get up to velocity within most machines physical capabilities. Acceleration is speed per second per second... kinda like falling you get up to speed pretty fast then your in the cruse mode.

John

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28 Nov 2012 09:48 #27032 by andypugh
Replied by andypugh on topic weird behavior on Z homing

Acceleration is usually 10 - 20 times max velocity I've found.

any idea why? got me very confused :side:

If acceleration = velocity then it takes a whole second to get up to your max speed.
That's really slow.

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