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Old 16-10-2018, 09:45 PM
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Lognic04 (Logan)
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3d printed focuser motor holder rigid enough?

Hi all,
I'm just wondering if a 3d printed stepper bracket for my tak would be rigid enough, because having the stepper mounted directly on the pinion tensioner screws was seriously messing things up and im hoping to be able to redesign one good enough for a stepper to be mounted on the one screw that covers the pinion tensioner.
Also, anyone have any idea how to straighten a bent pinion? I heard something about a pipe? Problem it it seems to be uniformly bent.
Thanks everyone!
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Old 16-10-2018, 10:53 PM
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I'm using abs printed stuff to hold a focuser on my newt. And brackets to hold steppers driving my EQ5. They've been okay for two months. Fingers crossed.
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Old 17-10-2018, 06:42 AM
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Lognic04 (Logan)
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Thanks, so it should be fine.
Anyone know where I can get a collet for Takahashi pinions?
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Old 17-10-2018, 06:59 AM
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Something like this?
m.aliexpress.com/item/32692660787
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Old 17-10-2018, 07:11 AM
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Quote:
Originally Posted by Lognic04 View Post
Something like this?
m.aliexpress.com/item/32692660787

Bent collet is not a problem..

However if this bothers you, try for examle this one on ebay.. or just search ebay for "3D printer flexible coupler")
If the hole is not right, you can always machine it to larger dimension.


Also, a simple rubber tube (for fuel for example) with some cable ties (to fix it to the shaft) will also do the perfect job.

Last edited by bojan; 17-10-2018 at 09:51 AM.
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Old 17-10-2018, 08:33 AM
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Thanks Bojan.
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