Extender for Stepperonline geared PG27-Stepper
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Extender for Stepperonline PG27-Stepper
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Model information
- Source
- Printables
- Category
- Physics & Astronomy
- License
- GNU General Public License v2.0
Extender for Stepperonline 17HSxx-xxxxS-PG27
It was hard for me to get the steppers from the BOM of the Keen-One EQ mount, I also had two 27:1 geared steppers from another project (Stepperonline 17HS13-0404S-PG27 0.4A/28.5mH) and I have them want to install it.
However, the gearbox of this stepper is a bit longer and so I had to design an extender. In the On-Step Calculator, after entering the data, the 27:1 was also more suitable than a 5:1.
But… With this stepper i have, there is a problem with higher speeds. More than 0.9°/s in the GoTo is not possible, unfortunately the 0.4A motor cannot keep up. I ordered new motors that can rotate faster:
Stepperonline 17HS15-1684S-PG27 1.68A/3.2mH
This is the same gearbox but with a different stepper motor, so the extender fits this one too.
With this stepper I have now reached a Goto speed of 2.5°/s, now i am happy with that :)
You need longer Screws to the Stepper motor:
4 M3x40
Happy printing!