Arcol.hu hotend v4.1.1.
History
For previous announcement please read here:
http://blog.arcol.hu/?p=1939
The v4.1.1 version
Im really proud to announce arcol.hu hotend v4.1.1:

In a nutshell:
- v4.1. - aluminium mounting plate (that also means integrated setscrew in the heatsink)
- v4.1.1 - firesleeve
Aluminium mounting plate (v4.1.)
I replaced the wood mounting plate with an aluminium one.
Just to recall here is how the v4.0.5 looked like:

I also added an M3 setscrew, to fix the heatsink to the mounting plate
(prevent rotating the whole hotend at high speed).

Also here is how the hotend looks after 6 months of printing:

So the firecement is quite good solution, once it is applied.

Firesleeve added (v4.1.1)
To prevent skin burn, protect heater block against fan blow, and last but not least looks awesome:

Machine compatibility
This hotend is designed for reprap machines (or compatible).
However I had success reports from customers using in 24VDC system, like R2C2 electronics (you need different resistor, so definietly say it before purchase).
I would be really interested how others have mounted or adapted this hotend for their machine,
like makerbot.com or ultimaker.com.
If you happen to have a machine like the above, and you want assistance,
just drop me an email through preorder(at-arcoldothu.
Go grab one:
http://shop.arcol.hu/item/arcol-hu-hot-end-v4-unassembled-05
http://shop.arcol.hu/item/m8nutm3
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Arcol Hyena v1.1
Available at: http://shop.arcol.hu/item/hyena
History (v1.0)
For previous v1.0 announcement, read here:
http://blog.arcol.hu/?p=1920
and here:
http://www.thingiverse.com/thing:22369
V1.1 update
This is a minor, but really handy upgrade to hyena.
At one end it has 6mm flats for wrenches. So no more pliers to holding while putting the big gear onto the shaft.
This is how it should be mounted (flat end is the opposite one from big gear):

Here is a closeup of the two flat sides:

Here is how you should put the big gear onto the hyena:

Also here it is mounted on the extruder pusher:

(Note the M8 nut with M3 grubscrew! It is *really* useful)
Hyena: http://shop.arcol.hu/item/hyena
M8 nut with M3 grubscrew: http://shop.arcol.hu/item/m8nutm3
—-
I closed down the commenting on this webpage due to the enormous number of penis enlargement suggestions.
If you have any thoughts to share about this article, please discuss it on arcol.hu's mailing list,
in this thread.
Arcol.hu spring kit
Available at: http://shop.arcol.hu/item/spring-kit
This is a simple spring kit for the extruder pusher:

Many people have trouble finding the right spring for the job, so
I decided I will offer the exact same springs, that I use on my own machine.
I settled to this spring after trying out more then 20 different springs.
The ideal spring is small, stiff, but not too hard to compress,
so the hobbed bar (hyena) does not bite into the filament instantly.
Also when you change the filament, the bolt is long enough so you do
not need to take it out completely from the extruder pusher.
Curious enough, how it looks mounted?:), here we go:

Go grab one!: http://shop.arcol.hu/item/spring-kit
—-
I closed down the commenting on this webpage due to the enormous number of penis enlargement suggestions.
If you have any thoughts to share about this article, please discuss it on arcol.hu's mailing list,
in this thread.
