Monday, 19 March 2018

Re: [7x12minilathe] Mini-Mill CNC, First Test of X-Axis.

 

Chris

If 2A per stepper phase is enough you could use Silent Stepstick drivers to prevent the resonances:
<https://www.trinamic.com/fileadmin/assets/Products/ICs_Documents/TMC2100_datasheet.pdf>
Ebay have them mounted on a Pololu size replacement module.

Malcolm

I don't suffer from insanity I enjoy it!
Mene, mene, tekel, upharsin
The writing is on the wall.
Ha-ktovet al ha-kir

--------------------------------------------
On Mon, 3/19/18, Chris Albertson albertson.chris@gmail.com [7x12minilathe] <7x12minilathe@yahoogroups.com> wrote:

Subject: [7x12minilathe] Mini-Mill CNC, First Test of X-Axis.
To: "7x12minilathe" <7x12minilathe@yahoogroups.com>
Date: Monday, March 19, 2018, 2:56 AM


 










Kind of a milestone with my CNC
conversion project.  I made and installed the first actual
parts.  The X-Axis now can move.
I soon as I did this fist test I
thought that someone here might want to just stop at this
step.  It makes an excellent power feed.  With no computer
or other parts I can move the X axis as slow as about
0.00015 inches per second and as fast as the entire x-axis
range in under one second.  It is very controllable.  
  
If someone wants
to make a power feed, if you had the white plastic plate, it
would be a screw driver only job as it only takes two parts
and they use existing holes.  I can supply the 3/8 thick
plastic plates at whatever they cost me to make (not much.)
  They some off the printer with M5 treads that work well
enough to held any NEMA 23 size  motor.  I did ream them
out with a tap but I think they work better if you don't
do that, they were tighter before being
tapped.
More comments
and some video in the link below.

https://albertsonchris.wordpress.com/first-tests-of-x-axis/

--

Chris Albertson
Redondo Beach,
California











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