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Great new SiLentStepStick TMC2208 is not silent ;(

Posted by abuharsky 
Great new SiLentStepStick TMC2208 is not silent ;(
June 24, 2017 09:17PM
[video]qkPHACyynKo[/video]

[youtu.be]


TMC2208 SilentStepStick not Silent ;(

low noise only at 30mm/s, but on speeds more than 60mm/s - noise like on this video

Sound volume increased for this video, so, some other sounds also hearable. But others sounds does't matter. The main problem in motors noise. sad smiley

Any help?

#update

I'm using mega2560 + ramps1.4
Firmware: repetier

Edited 3 time(s). Last edit at 06/25/2017 12:38AM by abuharsky.
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 12:34AM
What are your steps/mm? One possible explanation is that you are using 8-bit electronics and firmware that has to use double stepping to achieve 60mm/sec speed. Double stepping will mess up the microstep interpolation logic in the TMC drivers. AFAIR, Marlin switches to double stepping at steps rates around 10kHz, which would correspond to a speed of 50mm/sec if you have 200 steps/mm.


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Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 12:40AM
I'm using mega2560 + ramps1.4
Firmware: repetier

80steps per mm on both X and Y
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 12:54AM
I'm also tried 1/8 micro stepping [youtu.be]
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 02:00AM
your inside a big wooden reverberation box...

add some sound dampening foam.
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 02:14AM
Quote
Dust
your inside a big wooden reverberation box...

add some sound dampening foam.

Wooden box is another problem. In this post I search for motors / stepper driver noise solution.
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 10:48AM
If you have to stick with Mega2560 and Ramps, you can try to use a separate 24V or 36V powersupply for the stepper drivers only. That made a huge difference for my TMC2100, but it really got silent with 32bit controller ( RADDS and RRFirmware)
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 11:16AM
Quote
o_lampe
If you have to stick with Mega2560 and Ramps, you can try to use a separate 24V or 36V powersupply for the stepper drivers only. That made a huge difference for my TMC2100, but it really got silent with 32bit controller ( RADDS and RRFirmware)

Thank you for advice with separate power supply, I will to try.

But I can't understand difference with mega2560 and 32-bit controller with the same stepper driver and only 80steps per mm.
Re: Great new SiLentStepStick TMC2208 is not silent ;(
June 25, 2017 11:43PM
Quote

But I can't understand difference with mega2560 and 32-bit controller with the same stepper driver and only 80steps per mm.

The 8bit MPU is able to produce the step-pulses fast enough, but they are not evenly spread. That's why they are noisier.
Re: Great new SiLentStepStick TMC2208 is not silent ;(
July 13, 2017 05:35AM
Quote
o_lampe
Quote

But I can't understand difference with mega2560 and 32-bit controller with the same stepper driver and only 80steps per mm.

The 8bit MPU is able to produce the step-pulses fast enough, but they are not evenly spread. That's why they are noisier.

This is mistake hypothesis.
Re: Great new SiLentStepStick TMC2208 is not silent ;(
July 13, 2017 05:40AM
Hello all,

Mr. Stephan replied to my question about TMC2208 noise:

Quote
Stephan Watterott
The 12V power supply can also be a problem, because stepper motors are controlled with a constant current.
So at higher speeds the current can not be reached with a 12V power supply, please try a 24V one.

Quote
Stephan Watterott
On high frequencies the Skin effect is working, so the resistance of the motor coils are high and you need more voltage to reach this current.

It turns out that the description of the goods is false, since it is written that they work at "Motor Voltage - 5.5 - 36V" and silent.

But they are silent only at >= 24V
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