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Hello all
Thanks for your answers.
These gave me something to think about. I adjusted the tension of the belt.
I made a test to check any mechanical issue and it was ok. I manually moved the head to signal different positions on the bed and it moved to the correct coordinates. See the white spots on the paper in the attached image.
Now I am printing one part to test the final dimensions.
by
wgaona
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Mendel90
Hello all
Yesterday I replaced the X-carriage part on my Mendel90. All was ok, the assembly was done as the manual rules, the x-axis moves smoothly and the printer prints. But, the final dimensions of the printed parts in the X axis are smaller than the STL file. The test parts were some plates of 25mm and 90mm of width and final dimensions were of 24mm and 88mm respectively.
Any ideas about th
by
wgaona
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Mendel90
Hello all
I am delighted with the performance of my mendel90 unless the new 3d printers in the market. Good Job Nophead.
Now, I am implementing Octoprint + Raspberry Pi2 (RPi2) to control my mendel90
I have modified the scad files for RPi2, I hope nobody has done this before because I have done it now
Some pictures of my progress
by
wgaona
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Mendel90
This failure has happened to me too. I had to change the Molex connector and the printer started to working again...
by
wgaona
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Mendel90
So many thanks, nophead. It is working very well now.
by
wgaona
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Mendel90
Hello, It has been a long time...
I am curious to test the new versions of Cura, but I have not found the option for extrusion with relative distance.
Is anyone working with Cura these days?
by
wgaona
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Mendel90
Nothing. It works like a charm. It has more options but these are so intuitive.
by
wgaona
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Mendel90
Maybe the extruder was not touching the top of the cabity in the wades extruder where it is placed.
by
wgaona
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Mendel90
If the extruder does not burn the fan duct, then the setup is ok
by
wgaona
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Mendel90
Hi.
Yes, you can edit the fan duct in openscad.
The files that you have to see are those related with the name of xcarriage inside the scad folder. In one of those nophead put the module (function) to make the model for the fan duct.
by
wgaona
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Mendel90
Are you using skeinforge separately?
Could you show the gcode generated?
What is your 3d printer?
by
wgaona
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Skeinforge
One more thing, I realize that one of the three M3 x 16 mm cap screw has to be replaced by a M3 x 12 mm
to avoid crash with the idler block. In the manual this corresponds with the Stage 19: Extruder Assembly Step: 2
by
wgaona
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Mendel90
I have a Mendel90 too.
This seems to the defect shown here which is related with retraction and temperature.
In my experience I have found that temperatures greater than 220 causes this Stringing
by
wgaona
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Skeinforge
Do you have the .stl file? I want to slice it.
Maybe tweaking the smooth option and the Grid parameter in the Fill options can avoid these gaps.
by
wgaona
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Skeinforge
I am very happy with my Mendel 90 and my 3mm E3DV6 Hot End direct version This is.
I have my Mendel90 since 2014 and my E3DV6 since 2015.
Recently Nophead updates the GitHub repository to include the E3D Hot End. E3D-Addition
The parts that changes are de x_carriage_fan_duct, x_fan_bracket and the wades_block.
Nevertheless I had been using without any problems the E3DV6 with the original wades
by
wgaona
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Mendel90
Yes, it is PLA. Thanks for the suggestion I would try it.
by
wgaona
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Mendel90
I am using a layer height of 0.2 mm and a width of 0.5 mm (width/height ratio of 2.5)
You are right respect to the bridges over the holes. The same feature is present in the Wades block, right?
by
wgaona
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Mendel90
I had been changing the filament or changing the nozzles in my E3D-v6 Hot end without problems.
Nevertheless, In the last changes I have experienced obstructions with filament waste
between the Wades block and the Hod end in the step of extracting the filament.
After some tests, varying temperature (185-230), or velocity of reverse extrusion (50-150 mm/min)
I found that a critical factor was
by
wgaona
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Mendel90
Recently I read the post of NopHeadt: A bridge too far about printing the fan duct for the E3D hot end. He concluded that
Slic3r gives the better slicing for this part in particular.
Nevertheless I have been using Skeinforge for a while and I prefer it by its accuracy.
The printed x carriage fan duct can be seen in the attached pictures.
It was good, despite a little error filling in 2 laye
by
wgaona
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Mendel90
So many thanks to rhmorrison.
Its post saved me..
Wilmer
by
wgaona
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Skeinforge
Yes, it would be suitable. Thanks for the suggestion
by
wgaona
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Mendel90
hello everyone!
Today i noticed that I burnt my bed connector in the form that is showed in the image.
The cause was a screw loose of the connector that produces and electric arc at night printing.
Fortunately the Melzi board is good and it could be repaired, the only thing is the new connector is blue
by
wgaona
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Mendel90
With a little settings modification, I get this.
by
wgaona
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Mendel90
Hello everbody
I was wondering what would be the best gcode instructions to change the
filament during a printing job with the purpose to print in two or more
colors?
I have written the next few lines to take account any feedback before to test it.
Please be kind, it is my first attempt
G91 ; use relative coordinates
M83 ; set extruder to relative mode
G1 E-2.0 F2400 ; retract 2mm at 40mm/
by
wgaona
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Mendel90
Hello Vaughan
I attach the .scad and .stl files.
Now, you can modified and customize to suit your needs.
If you would have any doubts about the variables in the
code, let me now.
Thanks for your time.
by
wgaona
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Mendel90
Hello,
I was wondering if a custom bracket let me
level de X-axis with the e3d-v6 mounted on
X carriage using the dial holder of nophead too.
So I designed and printed something. I am testing now, but
at the moment, it lets me level the X-axis in a range of 0.12 mm.
I post some pictures, if someone thinks that it is useful, or has
a design improvements, please let me now to share the .scad
by
wgaona
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Mendel90
Hello,
I use the original setup too. (see the pictures)
I only had to replace the wing nut by an hex nut.
The E3D v6 center does not match with the fan duct , and I had to sand it a little.
I attach the electric diagram that I used.
by
wgaona
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Mendel90
Thanks Neil.
I tested with another linux machine (debian8.1 on beaglebone black)
and I could upload the firrmware without problems through /tty/USB0.
Moreoever, when I tried to compile and load with
ino package, I found the same error. I get back to the graphical arduino IDE
and everything is working fine now.
I suppose that my original problem is concerning to bad procedures like
Neil says
by
wgaona
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Mendel90
From time ago in order to update the firmware the ttyUSB0 port in LINUX gives me the next errors:
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x0f
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x4d
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x58
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x49
avrdude: stk500_getsync() attempt 5 o
by
wgaona
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Mendel90
Hello,
Nowadays I am trying to configuring repetier-server with a beaglebone black in order to run my mendel90 from the web.
Repetier-server connects to my mendel90, the manual control is fine but, when i turn on the heat bed
the connection is reset.
What would be the cause?
by
wgaona
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Mendel90
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