Connecting extruded aluminium? December 28, 2015 03:20AM |
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Re: Connecting extruded aluminium? December 28, 2015 01:41PM |
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Re: Connecting extruded aluminium? December 29, 2015 12:59AM |
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LarsK
Do you have a working printer? You can print your own corners. You can see how mine looks HERE. It requires a little thinking when designing your corners because they have to be really big to get a decent strength and rigidity. You can't just copy a steel bracket and print that.
Re: Connecting extruded aluminium? December 29, 2015 01:06AM |
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the_digital_dentist
I see a lot of variation in how people use this stuff. Lars likes oversized plastic corners... did you ever try screwing the frame pieces directly to each other?
Re: Connecting extruded aluminium? December 29, 2015 02:07PM |
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Re: Connecting extruded aluminium? December 29, 2015 02:23PM |
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Treito
Thanks for the answer, bu now for the third time:
The company cuts the extrudes to length and they offer the screws designed for this connection even self-cutting.
Sorry, I wrote this too often in this thread.
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"... you (Treito) can get the company to cut then I think that would be worth trying out."
Re: Connecting extruded aluminium? December 29, 2015 02:26PM |
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Re: Connecting extruded aluminium? December 29, 2015 02:48PM |
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Re: Connecting extruded aluminium? December 31, 2015 12:46AM |
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Re: Connecting extruded aluminium? December 31, 2015 05:52AM |
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Treito
I have no welding equipment and the welding was some sort of joke, but this would have been the stablest variant. The second problem is that it should be of course some sort of RepRap printer so easily to recreate.
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Treito
2) Is out of race. It would not make me happy looking at it. Besides that a German computer magazine publisher (Heise) tested closed chambers versus open chambers and they did not notice any differences. Unfortunately it was an internal test only so it was mentioned only with one sentence in an article. I would more prefer a design more like snappy even though it is not a CoreXY and I would always use GT2 belts. But it would be more expensive and more loud than Aluminium extrusions.
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Treito
4) and 5) Disadvantage: You may twist the extrusion
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Treito
1) Maybe for smaller areas like the heated bed carriage. At a Facebook group I nearly got killed as they told me as I considered this idea. It would not be precisely enough as no printer prints 90° perfectly and it would be too weak. Even if I print a dice? You could directly print connectors onto it so it should not be weak, should it?
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Treito
Even if the plate only costs 5.34€, why is it still so expensive? 1 meter extrusions needs more material and costs only half of the price. Okay it is of course another production process but in my eyes it is not more worth than 3€. I guess the margin of the extrusion is not much and the money comes back with the help of the additional parts needed like inkjet printers.