2019-05-07, 10:47 AM
Okay. Nobody has ever posted here, so I guess I'll give it a shot.
My fertile mind (fertile = full of...uh...fertilizer) has been envisioning a multi-(more than two)-headed extruder for 3D printing.
The bottom of the assembly is a Base Plate, where the heatbreaks come in from above, and protrude through to the heatblocks, which would be up against the Base Plate. This plate would bolt to the rest of the extruder body, which would most likely be 3D-printed plastic.
[attachment=102]
Since this plate contacts the 3D-printed plastic body of the extruder, it must be made of a material that resists heat transfer. It also must resist heat transfer, as it holds multiple heater blocks, and you don't want the hotter heater blocks influencing the cooler heater blocks around them.
The bolts (that hold the Base Plate on) also hold on the alignment plate. This part is under the Base Plate with the heater blocks. Besides keeping the heater blocks from twisting and touching one another, it must also act as a heat shield, to prevent hotter heat blocks/heads from influencing the temperatures of the cooler heat blocks/heads around them.
[attachment=103]
So, what do I make these parts from? It has to be something easily drillable/cutable/machinable. Or maybe printable? Oh yeah, and don't forget cost-effective (i.e. CHEAP).
I saw something on Amazon called homasote, as I searched for "heat resistant board." But, I dunno. It may be good for soldering on, but can it handle multiple heater blocks up against it for long periods of time?
Any ideas?
My fertile mind (fertile = full of...uh...fertilizer) has been envisioning a multi-(more than two)-headed extruder for 3D printing.
The bottom of the assembly is a Base Plate, where the heatbreaks come in from above, and protrude through to the heatblocks, which would be up against the Base Plate. This plate would bolt to the rest of the extruder body, which would most likely be 3D-printed plastic.
[attachment=102]
Since this plate contacts the 3D-printed plastic body of the extruder, it must be made of a material that resists heat transfer. It also must resist heat transfer, as it holds multiple heater blocks, and you don't want the hotter heater blocks influencing the cooler heater blocks around them.
The bolts (that hold the Base Plate on) also hold on the alignment plate. This part is under the Base Plate with the heater blocks. Besides keeping the heater blocks from twisting and touching one another, it must also act as a heat shield, to prevent hotter heat blocks/heads from influencing the temperatures of the cooler heat blocks/heads around them.
[attachment=103]
So, what do I make these parts from? It has to be something easily drillable/cutable/machinable. Or maybe printable? Oh yeah, and don't forget cost-effective (i.e. CHEAP).
I saw something on Amazon called homasote, as I searched for "heat resistant board." But, I dunno. It may be good for soldering on, but can it handle multiple heater blocks up against it for long periods of time?
Any ideas?