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Printing issues ...
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I contacted Elvira via PM on this forum and she sent me 4 new springs via FedEx
Thanks Elvira, I take it all back. Your support has been great
Mick
by
Mickoz
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General
Further to what ggherbaz said, print 4 at the same time will achieve this. Each small gear will cool sufficiently while the hotend is off doing the other ones.
by
Mickoz
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Printing
Try this line
#define DEFAULT_MAX_FEEDRATE {150, 150, 5, 25} // (mm/sec)
Change z to 3 so it looks like this
#define DEFAULT_MAX_FEEDRATE {150, 150, 3, 25} // (mm/sec)
This was a problem for me when I started. The current from the stepper driver is split between two steppers and they just can't do better than 3 on my machine.
Hope this helps
mick
by
Mickoz
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Reprappers
I found some and purchased a packet of 3 from Bunnings (in the aisle next to nuts and bolts). I don't think they're going to be any good though, they seem to be fairly easy to compress compared to the one spring from the Bulldog that is still in good condition.
I'll keep looking and will update this post if I find something suitable.
by
Mickoz
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General
Nice spotting! I will head to Bunnings and see if I can find some
Thanks!
by
Mickoz
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General
They look good but McMasters won't ship to Australia.
Thanks though
by
Mickoz
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General
How fast are you trying to print? Stick to 20 - 40mm\s to start and see how you go. I assume you have tried to calibrate your extruder? i.e tell your printer to extrude 100mm at a normal federate (40mm\s) and then calculate what the difference is, put this into your firmware. eg Extruding 100mm actually extrudes 75 - take your original steps per mm x 100 / 75 and enter this value into steps p
by
Mickoz
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General
Hey there fellow reprappers,
Can anyone recommend a replacement set of springs for the Bulldog XL extruder? I have tried to get a response from Reprapdiscount and have had no response either via lodging a ticket or via their forums.
Very disappointed in their support.
Hopefully someone has tried something or found something that works that they can share?
Thansk
by
Mickoz
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General
Thanks for the feedback guys. I hadn't actually thought about how the layer height affected the outcome of possible end heights but it is obvious now.
I will try .02 as my nozzle gap and adjust 1st layer to 90% for .2mm layers or 83/84% for .12mm layers. That sound about right? I'm sticking to multiples of 40microns as I'm using 5mm threaded rod for my z axis drive.
Mick
by
Mickoz
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Printing
Hope someone can clarify these noob questions please.
If I set my nozzle to be .1mm or .08 or whatever value I choose from the print bed, this value will actually add to the resulting print height? A 20mm cube would end up at 20.1mm high?
I would set my nozzle touching the bed if I could (but don't dare until I replace my mechanical z-endstop with a hall sensor). Does anyone do this or does ev
by
Mickoz
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Printing
Hey Guys,
Thanks for your input. It looks like tmorris9 was on the money. I have set my extrusion multiplier to .95 and am now getting good results. I don't understand why I need to because my extruder extrudes exactly the right length of filament and I have measured the diameter across several metres and placed the avg in my filament size. Whatever works is good though
Regards
Mick
by
Mickoz
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Printing
No popping noise. I will adjust hotend temps as suggested and see how it goes.
Thanks
Mick
by
Mickoz
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Printing
Howdy All,
I hope someone can help, I'm not sure what to tweak.
My first 10 - 15 layers look great and have good adhesion to my bed and no warping but after the first layers, things get a little furred up. The prints are still useable and are the right size.
I have a Prusa i3 box frame, .4mm E3D, 3mm ABS. Printing at 240 for all layers, heatbed first layer 115 then dropping to 110 for subseq
by
Mickoz
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Printing
Thanks for the reply
by
Mickoz
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General
Hi All,
I am collecting parts to make a Prusa i3 and have a question on extruder\hotend assembly that I hope one of the guru's out there can help with.
I have a J-Head that I purchased assembled from Banggood that looks like the attached picture and a wades hinged extruder, picture also attached. I have a U plate\clamp to mount the J-Head but nothing is going to fit without removing the brass
by
Mickoz
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General