Aluminium sheet extruder MK1
by jglauche, published
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Description
This is a fork from thingiverse.com/thing:964 lasered on 3mm AlMg3.
It uses a 606ZZ bearing to use a 5mm bolt shaft for the idler wheel and has custom mounting holes.
Needs a Kysan 1156006 Gearmotor and a fitting pulley.
License: GPL V2
It uses a 606ZZ bearing to use a 5mm bolt shaft for the idler wheel and has custom mounting holes.
Needs a Kysan 1156006 Gearmotor and a fitting pulley.
License: GPL V2
Recent Comments
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Tolerances about 1/10mm should be ok. The important thing is that you get the sandwich right. So if you want to do it with aluminum sheets in a drill press, I'd clamp all the layers together and drill the holes through all sheets at the same time.
Once you found your way to mount it, you can use a standard nozzle/extruder with it.
Interesting concept. What do you imagine the tolerances will need to be? If not to severe, you might be able to get away with drill+hack saw in aluminum, which would bring the extruder assembly down to being fab-able by hand.
Does this assembly assume the use of a standard heater+nozzle for melting/extrusion?
Not yet. When I get the missing pulley I will post one.
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Instructions
Note: The DXF file actually contains the layout 2x
Material wise: If you have access to a BIG laser or cnc machine, use aluminum or steel.
IF you want to do it in acrylic, be careful with the motor mount. For aluminum, I modified the design so the first motor mount plate takes all 4 screws. On acrylic that will add a lot of stress to this plate and will probably crack.
A complete assembly instruction will follow as soon as I get my pulley.
Material wise: If you have access to a BIG laser or cnc machine, use aluminum or steel.
IF you want to do it in acrylic, be careful with the motor mount. For aluminum, I modified the design so the first motor mount plate takes all 4 screws. On acrylic that will add a lot of stress to this plate and will probably crack.
A complete assembly instruction will follow as soon as I get my pulley.
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(32 kb zip file)
Interesting concept. What do you imagine the tolerances will need to be? If not to severe, you might be able to get away with drill+hack saw in aluminum, which would bring the extruder assembly down to being fab-able by hand.
Does this assembly assume the use of a standard heater+nozzle for melting/extrusion?
Tolerances about 1/10mm should be ok. The important thing is that you get the sandwich right. So if you want to do it with aluminum sheets in a drill press, I'd clamp all the layers together and drill the holes through all sheets at the same time.
Once you found your way to mount it, you can use a standard nozzle/extruder with it.