[Noisebridge-discuss] solenoid wanted for sudoroom circuitboard CNC machine

[Chris Murphy]

IBM selectric typewriters are full of them. Not sure if those are cheap and common or scarce these days. 

Sent from my iPhone

> On Aug 2, 2017, at 16:20, Jake <jake at spaz.org> wrote:
> 
> does anyone on this list have a solenoid?  something that can pull a pound or
> two of force, from a distance of 1/4" or more, ideally.  12-24 volts would be
> great, although we could do 120V if necessary.
> 
> thank you
> -jake
> 
>> On Wed, 2 Aug 2017, Alexander Papazoglou wrote:
>> 
>> Awesome!
>> 
>> Any response about the missing solenoid? The one they sell as a replacement
>> part is pricey ($210).
>> 
>> What ended up being the issue we were having with the steppers?
>> 
>> Alex
>> 
>> 
>> 2017-08-02 1:06 GMT-07:00 Jake <jake at spaz.org>:
>> 
>>> after you guys left i got both X and Y axes working properly, in the
>>> correct
>>> direction, and the endstops too!  now i was even able to home it!
>>> 
>>> here's the repo:
>>> https://github.com/sudoroom/Marlin/tree/quickcircuit
>>> 
>>> marlin can be uploaded with regular arduino, it's an arduino mega 2560
>>> 
>>> we still need to enter the correct values for stuff like
>>> DEFAULT_AXIS_STEPS_PER_UNIT
>>> DEFAULT_MAX_FEEDRATE
>>> DEFAULT_MAX_ACCELERATION
>>> 
>>> although really only the first one is necessary.
>>> 
>>> then we need to either find a solenoid or use this servo to do the Z axis,
>>> and
>>> configure marlin to control it appropriately from a Z command or whatever Z
>>> instruction gets produced by stuff like PCB2GCODE
>>> 
>>> -jake
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