On Sunday 06 June 2010, Neil Baylis wrote:
>I'm using servos, not steppers. I have real position feedback.
>
>Neil
>
Nevertheless, when in that search mode, I think I would try to see if the 
servo torque could be reduced to about 1/4 just for that mode.

>On Sun, Jun 6, 2010 at 9:28 AM, Gene Heskett <gene.hesk...@gmail.com> 
wrote:
>> On Sunday 06 June 2010, Neil Baylis wrote:
>> >Many printers & plotters do not use limit switches. Instead, they move
>> > the print head slowly towards the end stop until the motor stalls, and
>> > then back off from that point a certain distance and that's the home
>> > position or soft limit.
>> >
>> >What, roughly, do I need to do with EMC to get this behavior?
>>
>> That generally does work well at all.  The reason is that when it jams,
>> it jams at the steppers max torque, and it takes a random number of
>> steps in the other direction, and even some hand help at times, to break
>> it loose again.
>>
>> >Neil
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>> Cheers, Gene
>> "There are four boxes to be used in defense of liberty:
>>  soap, ballot, jury, and ammo. Please use in that order."
>> -Ed Howdershelt (Author)
>> Old soldiers never die.  Young ones do.
>>
>>
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>> GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the
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-- 
Cheers, Gene
"There are four boxes to be used in defense of liberty:
 soap, ballot, jury, and ammo. Please use in that order."
-Ed Howdershelt (Author)
Also, the Scots are said to have invented golf.  Then they had
to invent Scotch whiskey to take away the pain and frustration.

------------------------------------------------------------------------------
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GeekDad Father's Day Giveaway. ONE MASSIVE PRIZE to the 
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http://p.sf.net/sfu/thinkgeek-promo
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