On Sun, 7 Jul 2019, andrew beck wrote:
Date: Sun, 7 Jul 2019 00:55:54 +1200
From: andrew beck <[email protected]>
Reply-To: "Enhanced Machine Controller (EMC)"
<[email protected]>
To: [email protected]
Subject: [Emc-users] Help with stepgen joint error using Mesa 5i25 7i76 cards
Hey guys.
I will post this on the forum also...
So I'm just setting up my cnc mill with Mesa cards and step/dir
Using 5i25 and 7i76.
Chinese servos are working well.
But I just spent most of my Saturday chasing this funny stepgen joint error.
I am wanting a resolution of at least. 0.005 mm. And I want at least 12 m
per min rapid speed as I'm retrofitting a high speed linear rail machine.
The ballscrews are 16 mm pitch.
Does anyone know why I get a stepgen joint error? And also when moving at
high speed Linux cnc rapids to about 3 mm of the end and then it slowly
inches up the last little bit.
I don't think its a big problem and I'll go ahead and bolt the motors to
the machine. But would appreciate some help from people.
This sounds like an error caused by a scale problem in pncconf on metric
configurations.
Check your hal file are remove any lines like:
setp pid.XXX.maxerror .0005
(this number makes sense for inch machines but not mm machines)
Regards
Andrew
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Peter Wallace
Mesa Electronics
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