Rostock Mini Alternative Carriages May 12, 2015 11:07PM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 12:31AM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 02:44AM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 03:01AM |
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dc42
I replaced the carriages on my Kossel by ones with teeth, and they work really well - but the Kossel has a separate belt tensioning mechanism.
Re: Rostock Mini Alternative Carriages May 13, 2015 03:41AM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 04:05AM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 05:12AM |
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dougal1957
The other option for me would be to allow the tower's to extend under the bottom Bracket be say 75 mm (This would also act as feet) and then just loosen bottom bracket push it down to tension then tighten them up!
Re: Rostock Mini Alternative Carriages May 13, 2015 05:26AM |
Registered: 9 years ago Posts: 1,159 |
Quote
dc42
Quote
dougal1957
The other option for me would be to allow the tower's to extend under the bottom Bracket be say 75 mm (This would also act as feet) and then just loosen bottom bracket push it down to tension then tighten them up!
Couldn't you just loosen the top vertex screws, pull the top frame up to tension the belts and then tighten the screws? It's not as easy as having built-in tensioning screws to get a fine adjustment, but I would have thought no worse than moving the motors in slots.
I may stick to using the printed top vertices for now, or else construct bridges as you suggest.
I notice that the Folger kits use clothes-peg springs on the belts to tension them, so I may try that. Alternatively, some printed parts to clip on to the belts to take up slack.
Re: Rostock Mini Alternative Carriages May 13, 2015 11:09AM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 05:21PM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 05:28PM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 05:33PM |
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Re: Rostock Mini Alternative Carriages May 13, 2015 06:53PM |
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Kurzaa
Definitely be careful with the teeth then. Thanks for the update.
Re: Rostock Mini Alternative Carriages May 14, 2015 05:49PM |
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Re: Rostock Mini Alternative Carriages May 14, 2015 06:04PM |
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Re: Rostock Mini Alternative Carriages May 15, 2015 04:04PM |
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Re: Rostock Mini Alternative Carriages May 16, 2015 04:23AM |
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Re: Rostock Mini Alternative Carriages May 18, 2015 05:39PM |
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dc42
Using zipties to hold the two ends of the belt together when the belt tension is trying to pull them apart is a bad idea. My Mini Kossel was originally built like that, and the zipties slowly slid down the belt. I mostly solved it by using 2 zipties instead of 1, but there was still some slippage. So I strongly recommend using carriages that either have teeth to grip the belt, or a loop and a slot which holds the belt locked to itself.
Re: Rostock Mini Alternative Carriages May 18, 2015 08:16PM |
Registered: 9 years ago Posts: 58 |
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vreihen
Is anyone concerned with the three top corners possibly not being square after using these tensioners?????