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Author Topic: Jog ok, g code steppers just screech  (Read 6200 times)

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Offline DMF

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Jog ok, g code steppers just screech
« on: March 28, 2011, 09:48:43 AM »
I set the steps per to 2000, feed rate at 12. Jog either with mouse or keyboard is ok. When I try MDI and g code the x and/or steppers just screech. It sounds like their trying to run too fast. What did I miss?
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Offline Tweakie.CNC

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Re: Jog ok, g code steppers just screech
« Reply #1 on: March 28, 2011, 09:55:59 AM »
Hi and welcome to the forum.

Go back to motor tuning and reduce you velocity settings by about 20% to 30% below the point at which they stall and screech then save the setting before proceeding to the next axis etc.

Tweakie.
« Last Edit: March 28, 2011, 09:58:17 AM by Tweakie.CNC »
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Offline Overloaded

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Re: Jog ok, g code steppers just screech
« Reply #2 on: March 28, 2011, 10:05:40 AM »
... also, when jogging to set the tuning, set  to 100% (pic) to jog full rapid speed, or hold down the SHIFT key while jogging.

Russ
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Offline DMF

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Re: Jog ok, g code steppers just screech
« Reply #3 on: March 28, 2011, 02:49:09 PM »
I was jogging at 100%, reducing the velocity fixed the issue. Thank you. :)
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