RepRapDiscount Bulldog Extruder

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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Sat Oct 26, 2013 7:27 pm

Exactly, the e3d is not compatible with ,my extruders because the aluminum barel has a huge diameter , it's a very big hotend, will post tomorrow pictures of the different hotend types I have.

It will fit inside but it is not stable, the dimension of the e3d is not really same as the j-head. I try today to see if i can do a kind of adapter but i cannot, sorry. I have meassured the e3d holder and posted here the picture,you can compare and know what i mean.

e3d_holder (Small).JPG
http://forum.reprapdiscount.com/forums/oss/

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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Thu Nov 07, 2013 6:00 pm

not compatible means not precise machined, have a look at my picture of this hotend and compare with the other pictures of other hotends
not_compatible.JPG


original j-head from http://www.hot-ends.com can fit 100%, some other cheap reproductions, can not since they are also not precise enough machined
jhead1.jpg
original j-head from www.hot-ends.com can fit 100%, some other cheap reproductions, can not since they are also not precise enough machined


magma hotend 100% compatible
magma1.jpg


Merlin from www.merlin-hotend.de, 100% compatible

merlin1.jpg
http://forum.reprapdiscount.com/forums/oss/

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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Mon Nov 11, 2013 8:56 am

photo 1.jpg
photo 2.jpg


photo 3.jpg
photo 4.jpg


photo 5.jpg
photo 6.jpg


With a little tweak, you can also make the E3D nozzle make to work, i made some pictures
http://forum.reprapdiscount.com/forums/oss/

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Re: RepRapDiscount Bulldog Extruder

Postby Enraged » Mon Nov 11, 2013 7:00 pm

Maybe you posted it, but how is the filament pressed against the gear?
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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Wed Nov 13, 2013 2:30 am

Enraged wrote:Maybe you posted it, but how is the filament pressed against the gear?


do you need me post some pics?
http://forum.reprapdiscount.com/forums/oss/

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Re: RepRapDiscount Bulldog Extruder

Postby Enraged » Wed Nov 13, 2013 4:12 am

Sure.
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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Wed Nov 13, 2013 11:50 pm

bulldog_open.JPG


is this okay? can you figure it out?
http://forum.reprapdiscount.com/forums/oss/

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Re: RepRapDiscount Bulldog Extruder

Postby cvoinescu » Thu Nov 14, 2013 11:18 am

That is actually very nice! I want one now.
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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Fri Nov 15, 2013 3:28 am

@cvoinescu
must wait one week, my ptfa tube for 3mm filament not arrived yet, i want to add to each printer pneumatic pushfit and each 1m ptfa tube for 1.75 and 3mm filament so the user can use it also as bowden if he want
http://forum.reprapdiscount.com/forums/oss/

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Re: RepRapDiscount Bulldog Extruder

Postby reprapdiscount » Thu Nov 21, 2013 4:53 pm

http://forum.reprapdiscount.com/forums/oss/

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