Re: The minimum angle between rods and tower?
Quoterm2014 I like your rod end bearing design, I saw this on another machine and there were springs across both sides top and bottom, do you have any thoughts on why? I am thinking of changing mine...
View ArticleRe: Worm Drive Grounded Delta Printer
QuoteSolidus Labs It is going to be open source. I will release the files when I am confident that the design is solid. Being able to print the printer is great if you have access to a printer. But...
View ArticleRe: Rostock future version Firmware progress
When I read the above wiki page, I think of it more as a historical reference roadmap for future Delta development than a current to-do list. Marlin and Repetier are two firmware branches that I know...
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Re: Scaling up Kossel Mini
@ hercek: I'm aware that there are more involved equations to calculate elongation, but there is no chance that I'm going to introduce you to higher math, no way! I did find another formula that is...
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Re: Worm Drive Grounded Delta Printer
Springless, drop In ToM MK6+ replacement [www.thingiverse.com] This one looks easy to cast. Split it down the center of the filament guide, if you don't want to deal with an insert, or drilling the...
View ArticleRe: LISA Simpson
Quotenicholas.seward Fork joints are superior. (Assuming that the fins of the forks are thick enough.) I have been considering going that direction. It has a nice side benefit of making the longest...
View ArticleRe: Scaling up Kossel Mini
A2, Your answer should be in inches, not per inch, so you have the units wrong. stretch = (P*L)/(A*E) = pounds * inch / (inch^2 * pounds/inch^2) = inch. Your modulus for glass fibre seems miles out....
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Re: Scaling up Kossel Mini
Finally some one comes to help! Tks for pointing that out nophead! Using wxMaxima I couldn't code it to get the units to work out. I used your modulus, so you can follow. The result is in inch^3 Am I...
View ArticleRe: Scaling up Kossel Mini
Maxima is a fairly complete computer algebra system written in Common Lisp with an emphasis on symbolic computation. It is based on DOE-MACSYMA and licensed under the GPL. Its abilities include...
View ArticleRe: Scaling up Kossel Mini
The mistake you are making is modulus in PSI is pounds per square inch, not pounds times square inches. When you multiply PSI by inch squared in the denominator the inch squares cancel leaving just...
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Re: Scaling up Kossel Mini
Edits in strike-through and italic. QuoteA2 The only way you can get the units to work out using the new input of cross-sectional area is to proportionalize the area of the glass fiber bundles over 1...
View ArticleRe: Scaling up Kossel Mini
As I mentioned before I thought that maxima was using (*) as a place holder, based on an example script that you hercek showed. Why didn't you pick up on this, and point it out?
View Articlewhy delta not list on the Build a RepRap page?
Hi All, I'm new to this forum and been researching 3D printer in RepRap wiki for sometime now, just wonder why Delta model not list on the "Build a RepRap" page on the Wiki? Hope this is not a stupid...
View ArticleRe: why delta not list on the Build a RepRap page?
Probably for a number of reasons: 1 - Because nobody's added them. 2 - Because there is no 'one' delta that can be used as the go-to model 3 - The wiki isnt generally all that up to date - there's a...
View ArticleRe: 3DR 6mm rods supplier in the UK
B&Q. They sell 6mm hollow aluminium tubing. Dirt cheap too: [www.diy.com] They do a few different sizes as well.
View ArticleRe: why delta not list on the Build a RepRap page?
QuoteRickM Probably for a number of reasons: 2 - Because there is no 'one' delta that can be used as the go-to model I see, thank you very much RickM. But what do you mean of the go-to model? thanks
View ArticleRe: why delta not list on the Build a RepRap page?
There's no standard for delta printers. For example right now the reprap models everyone recommends is either a Mendel90 or a Prusa i3. With the deltas you have too many variants that are in different...
View ArticleRe: why delta not list on the Build a RepRap page?
The link "Build a RepRap" redirects to [reprap.org]. There are several printers on there that are somewhat obscure, very new and not yet released or not even really RepRaps, so I don't think it is...
View ArticleRe: Rostock future version Firmware progress
Yeah, I think that plan is quite out of date. I'm not sure why GRBL was mentioned, it doesn't seem to be particularly advantageous for Deltas, and the core algorithm from GRBL is now implemented in a...
View ArticleRe: why delta not list on the Build a RepRap page?
Quotebobc The link "Build a RepRap" redirects to [reprap.org]. There are several printers on there that are somewhat obscure, very new and not yet released or not even really RepRaps, so I don't think...
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