On 12 Feb 2008 at 18:03, [EMAIL PROTECTED] wrote:
EMC can do PID just fine. It's steppers that can't. Steppers lose
torque as the speed increases. There is no way around this, it's just
the physics of the motor.
Did someone rewrite the spec for PID?
used to be a way of correcting a
With the experience I have gained so far, it leads me to believe that
you are making choices that may make your quest more difficult. If you
are trying to have a CNC machine to make parts and spend as little as
appropriate for that end, then you should consider studying other
machines that
http://www.arceurotrade.co.uk/Catalogue/Stepper-Motors
The 180Ncm will be big enough, and at ?18.50 at the moment ...
The 3 Amp driver at ?28.95 each are a good option for driving them, so for
under ?150 you have all the grunt.
They will run direct off the parallel port, but a simple
http://www.arceurotrade.co.uk/Catalogue/Stepper-Motors
The 180Ncm will be big enough, and at ?18.50 at the moment ...
The 3 Amp driver at ?28.95 each are a good option for driving them, so for
under ?150 you have all the grunt.
They will run direct off the parallel port, but a simple
Just a quickie.
Can anyone recommend a UK supplier of stepper motors and associated drive
electronics?
eg just add mill, and computer running EMC.
Mill is a light / middleweight Pinnacle universal job, XYZ travels are 400,
180, 150 mm with
quill head having separate raise / lower facility and
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Message: 9
Date: Thu, 31 Jan 2008 13:36:51 -0800
From: Dave Engvall [EMAIL PROTECTED]
Subject: Re: [Emc-users] DRO input?
Hi Dave,
It all depends on what you want to do. If you just want manual
position then the glass scales will do your job.
However, if you ever intend to control the
Sorry, haven't RTFM, downloading as I type.
I'm considering buying a Far Eastern made 3 axis DRO for my Pinnacle
universal mill, DRO + 3 glass scales (to 1/5thou) and all cabling etc etc
for under 400 UK Pounds.
This DRO has an RS232 output.
So, does EMC have the facility to take absolute X Y Z
