Re: LISA Simpson
If you look at some of my shaft placement sketches, they do result in a full use of the rods and a part that can be lifted out of the printer. If you drop the arm junctions on center, the hot end and...
View ArticleRe: rostock qustions
I'm looking at a Kossel. It seems that this is the evolution of the Rostock, and I've had better luck finding documentation. I particularly like what I see from this site: [www.builda3dprinter.eu]...
View ArticleRe: 3DR/Delta PLA not moving towards hot end
Yeah was a total nozzle clog. It started coming out the wrong end of the metal part of the JHead. Took it apart, cleaned it up and seems ok no :)
View ArticleRe: 3DR 6mm rods supplier in the UK
I purchased from this guy on ebay: [www.ebay.co.uk] Very happy with them. Works out to under £15 for all 6.
View ArticleRe: 3DR 6mm rods supplier in the UK
Sadly they arent as long as I want ... They also havent replied to my question. In my impatience I have bought from these guys [www.themetalstore.co.uk] Will cut to size and do small orders...
View ArticleRe: Scaling up Kossel Mini
A2, I needed a break from this discussion. But I'll give you one more chance. Maybe you made only a mistake (maybe you are not trolling me). Why should I use a script which is different from mine and...
View ArticleRostock future version Firmware progress
I read from [reprap.org] that future plan includes "Write a new clean delta firmware based on Grbl". I was wondering whether any progress has been made? Or is anyone working on it? It seems that...
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Re: Scaling up Kossel Mini
Quotehercek I interpreted it one way and deduced elongation of about 1.85 mm Gates claims their GT2 belt has zero stretch, you "deduced" that the stretch is 1.85 mm. That's a lot of stretch for a...
View ArticleRe: Worm Drive Grounded Delta Printer
QuoteSolidus Labs I have ordered SLA prints of all the parts which I plan on using for master to make casting molds for short run production. How does everyone feel about crowd funding the production?...
View ArticleRe: Scaling up Kossel Mini
Uff, ok, I took apart the rostock here and I measured the T2.5 belt with steel core. I pre-tensioned the 1.48m long belt with force of 190N. Then I needed to increase the force to 280N to make it...
View ArticleRe: Scaling up Kossel Mini
For me to interpret your comments, and provide meaningful commentary, you will need to be more rigorous with your language, and show your math. Quotehercek Uff, ok, I took apart the rostock here and I...
View ArticleRe: Worm Drive Grounded Delta Printer
QuoteJamesNewton QuoteSolidus Labs I have ordered SLA prints of all the parts which I plan on using for master to make casting molds for short run production. How does everyone feel about crowd...
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Re: LISA Simpson
Any comments on this fork design? If you look at the second photo you can see my particular design with the corner structure causes interference with the current configuration. Correct me if I'm wrong...
View ArticleDelta bed settings on slicer
Are there Delta rostock bed settings on slicer do you know I cannot seem to find one, but I hear a rumour? I am have trouble telling slicer 0,0 is at the centre of my bed, and so it tries to print off...
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Re: LISA Simpson
QuoteDannydefe Correct me if I'm wrong ,but this shouldn't change any of the geometry using the fork design. Double shear joint reduces error: There is the potential to print a more accurate part, and...
View ArticleRe: Scaling up Kossel Mini
QuoteA2 Did you mean: A 1.0 meter span, of a T2.5 belt, with a 280 N tensile force (62.95 pound-force) elongated by 2.5 mm? Quotehercek That corresponds to elontagion of about 0.02mm per 1 meter of...
View ArticleRe: LISA Simpson
@Dannydefe: There is no math change. @A2: There is no math change. :-) Remember the shoulder offset is the perpendicular distance from the screw to the arm/shoulder bolt. (For a visual, with my design...
View ArticleRe: LISA Simpson
The advantage of Lisa over Rostock is that you can carry a lot more weight on the end effector. You could mount a MIG welder on the hub of (big) Lisa, you wouldn't recommend to do that with a Rostock....
View ArticleRe: LISA Simpson
All my joints have been one-sided to allow poorly tuned printers to work for as many parts as possible. It also reduces assembly time. Fork joints are superior. (Assuming that the fins of the forks...
View ArticleRe: LISA Simpson
@A2: LISA is not as stable as she looks. The big members might make someone think that she is very rigid but with the screw flex and the torsional twisting of the members it is just good enough for 3D...
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