>________________________________
>From: Jon Elson <[email protected]>
>To: Enhanced Machine Controller (EMC) <[email protected]>
>Sent: Friday, August 12, 2011 9:06 PM
>Subject: Re: [Emc-users] 3d machine issue on new emc conversion
>
>andy pugh wrote:
>> On 12 August 2011 22:34, For Sale Sticker <[email protected]> wrote:
>>
>>
>>> My drivers are IB106 (I know they are old) and here is a datasheet I found:
>>>
>>
>> http://imshome.com/downloads/manuals/ib.pdf
>>
>> Page 13.
>>
>>OK, these are not microstepping drives, and thus subject to resonance
>>problems. Try setting the acceleration
>>extremely low in your .ini file, and then do jog moves at high speed.
>>If you hear it buzzing loudly at some
>>speed as it accels and decels, you have a resonance issue. You can
>>either get a microstepping drive or add
>>electrical or mechanical damping to the system.
>
>>If you don't have much buzzing, then it may be a problem with step and
>>direction timing. One of the most
>>common is that the step pulse polarity is wrong, and therefore the
>>direction signal is changing at the wrong
>>time, and the drive is not sure which way it is supposed to go. Reverse
>>the polarity of the step pulse
>>and see if it fixes it.
>
>>Jon
>
>Hmmm. Never heard of electrical damping for steppers. What does that involve?
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